mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-10-12 21:05:36 +00:00
5615 lines
177 KiB
C++
5615 lines
177 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: NPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Pierre Phaneuf <pp@ludusdesign.com>
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* Daniel Glazman <glazman@netscape.com>
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*
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the NPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsICaret.h"
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#include "nsReadableUtils.h"
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#include "nsUnicharUtils.h"
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#include "nsHTMLEditor.h"
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#include "nsHTMLEditRules.h"
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#include "nsTextEditUtils.h"
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#include "nsHTMLEditUtils.h"
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#include "nsEditorEventListeners.h"
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#include "nsHTMLEditorMouseListener.h"
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#include "TypeInState.h"
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#include "nsHTMLURIRefObject.h"
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#include "nsICSSParser.h"
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#include "nsIDOMCSSStyleRule.h"
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#include "nsIDOMText.h"
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#include "nsITextContent.h"
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#include "nsIDOMNodeList.h"
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#include "nsIDOMDocument.h"
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#include "nsIDOMAttr.h"
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#include "nsIDocument.h"
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#include "nsIDOMEventReceiver.h"
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#include "nsIDOMKeyEvent.h"
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#include "nsIDOMKeyListener.h"
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#include "nsIDOMMouseListener.h"
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#include "nsIDOMMouseEvent.h"
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#include "nsISelection.h"
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#include "nsISelectionPrivate.h"
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#include "nsIDOMHTMLAnchorElement.h"
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#include "nsISelectionController.h"
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#include "nsIDOMHTMLHtmlElement.h"
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#include "TransactionFactory.h"
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#include "nsIIndependentSelection.h" //domselections answer to frameselection
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#include "nsICSSLoader.h"
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#include "nsICSSStyleSheet.h"
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#include "nsIHTMLContentContainer.h"
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#include "nsIDocumentObserver.h"
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#include "nsIDocumentStateListener.h"
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#include "nsIStyleContext.h"
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#include "nsIEnumerator.h"
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#include "nsIContent.h"
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#include "nsIContentIterator.h"
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#include "nsEditorCID.h"
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#include "nsLayoutCID.h"
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#include "nsContentCID.h"
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#include "nsIDOMRange.h"
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#include "nsIDOMNSRange.h"
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#include "nsISupportsArray.h"
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#include "nsVoidArray.h"
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#include "nsFileSpec.h"
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#include "nsIFile.h"
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#include "nsIURL.h"
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#include "nsIComponentManager.h"
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#include "nsIServiceManager.h"
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#include "nsWidgetsCID.h"
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#include "nsIDocumentEncoder.h"
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#include "nsIDOMDocumentFragment.h"
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#include "nsIPresShell.h"
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#include "nsIPresContext.h"
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#include "nsParserCIID.h"
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#include "nsIImage.h"
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#include "nsAOLCiter.h"
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#include "nsInternetCiter.h"
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#include "nsXPCOM.h"
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#include "nsISupportsPrimitives.h"
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#include "SetDocTitleTxn.h"
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#include "nsGUIEvent.h"
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#include "nsTextFragment.h"
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// netwerk
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#include "nsIURI.h"
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#include "nsNetUtil.h"
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// Drag & Drop, Clipboard
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#include "nsWidgetsCID.h"
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#include "nsIClipboard.h"
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#include "nsITransferable.h"
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#include "nsIDragService.h"
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#include "nsIDOMNSUIEvent.h"
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// Transactionas
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#include "nsStyleSheetTxns.h"
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// Misc
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#include "TextEditorTest.h"
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#include "nsEditorUtils.h"
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#include "nsIPref.h"
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#include "nsParserCIID.h"
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#include "nsITextContent.h"
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#include "nsWSRunObject.h"
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static NS_DEFINE_CID(kHTMLEditorCID, NS_HTMLEDITOR_CID);
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static NS_DEFINE_CID(kCContentIteratorCID, NS_CONTENTITERATOR_CID);
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static NS_DEFINE_IID(kSubtreeIteratorCID, NS_SUBTREEITERATOR_CID);
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static NS_DEFINE_CID(kCRangeCID, NS_RANGE_CID);
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static NS_DEFINE_IID(kRangeUtilsCID, NS_RANGEUTILS_CID);
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static NS_DEFINE_CID(kCDOMSelectionCID, NS_DOMSELECTION_CID);
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static NS_DEFINE_CID(kPrefServiceCID, NS_PREF_CID);
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static NS_DEFINE_CID(kParserServiceCID, NS_PARSERSERVICE_CID);
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static NS_DEFINE_CID(kCTransitionalDTDCID, NS_CTRANSITIONAL_DTD_CID);
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static NS_DEFINE_CID(kCSSParserCID, NS_CSSPARSER_CID);
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#if defined(NS_DEBUG) && defined(DEBUG_buster)
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static PRBool gNoisy = PR_FALSE;
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#else
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static const PRBool gNoisy = PR_FALSE;
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#endif
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// Some utilities to handle annoying overloading of "A" tag for link and named anchor
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static char hrefText[] = "href";
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static char anchorTxt[] = "anchor";
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static char namedanchorText[] = "namedanchor";
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nsCOMPtr<nsIParserService> nsHTMLEditor::sParserService;
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PRInt32 nsHTMLEditor::sInstanceCount = 0;
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// some prototypes for rules creation shortcuts
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nsresult NS_NewTextEditRules(nsIEditRules** aInstancePtrResult);
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nsresult NS_NewHTMLEditRules(nsIEditRules** aInstancePtrResult);
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#define IsLinkTag(s) (s.EqualsIgnoreCase(hrefText))
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#define IsNamedAnchorTag(s) (s.EqualsIgnoreCase(anchorTxt) || s.EqualsIgnoreCase(namedanchorText))
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nsHTMLEditor::nsHTMLEditor()
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: nsPlaintextEditor()
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, mIgnoreSpuriousDragEvent(PR_FALSE)
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, mTypeInState(nsnull)
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, mSelectedCellIndex(0)
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, mHTMLCSSUtils(nsnull)
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{
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// Done in nsEditor
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// NS_INIT_ISUPPORTS();
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mBoldAtom = getter_AddRefs(NS_NewAtom("b"));
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mItalicAtom = getter_AddRefs(NS_NewAtom("i"));
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mUnderlineAtom = getter_AddRefs(NS_NewAtom("u"));
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mFontAtom = getter_AddRefs(NS_NewAtom("font"));
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mLinkAtom = getter_AddRefs(NS_NewAtom("a"));
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++sInstanceCount;
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}
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nsHTMLEditor::~nsHTMLEditor()
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{
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// remove the rules as an action listener. Else we get a bad ownership loop later on.
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// it's ok if the rules aren't a listener; we ignore the error.
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nsCOMPtr<nsIEditActionListener> mListener = do_QueryInterface(mRules);
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RemoveEditActionListener(mListener);
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//the autopointers will clear themselves up.
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//but we need to also remove the listeners or we have a leak
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nsCOMPtr<nsISelection>selection;
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nsresult result = GetSelection(getter_AddRefs(selection));
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// if we don't get the selection, just skip this
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if (NS_SUCCEEDED(result) && selection)
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{
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nsCOMPtr<nsISelectionPrivate> selPriv(do_QueryInterface(selection));
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nsCOMPtr<nsISelectionListener>listener;
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listener = do_QueryInterface(mTypeInState);
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if (listener) {
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selPriv->RemoveSelectionListener(listener);
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}
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}
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NS_IF_RELEASE(mTypeInState);
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if (--sInstanceCount == 0 && sParserService)
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sParserService = 0;
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if (mHTMLCSSUtils)
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delete mHTMLCSSUtils;
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}
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NS_IMPL_ADDREF_INHERITED(nsHTMLEditor, nsEditor)
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NS_IMPL_RELEASE_INHERITED(nsHTMLEditor, nsEditor)
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NS_IMETHODIMP nsHTMLEditor::QueryInterface(REFNSIID aIID, void** aInstancePtr)
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{
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if (!aInstancePtr)
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return NS_ERROR_NULL_POINTER;
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*aInstancePtr = nsnull;
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if (aIID.Equals(NS_GET_IID(nsIPlaintextEditor))) {
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*aInstancePtr = NS_STATIC_CAST(nsIPlaintextEditor*, this);
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NS_ADDREF_THIS();
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return NS_OK;
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}
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if (aIID.Equals(NS_GET_IID(nsIHTMLEditor))) {
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*aInstancePtr = NS_STATIC_CAST(nsIHTMLEditor*, this);
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NS_ADDREF_THIS();
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return NS_OK;
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}
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if (aIID.Equals(NS_GET_IID(nsIEditorMailSupport))) {
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*aInstancePtr = NS_STATIC_CAST(nsIEditorMailSupport*, this);
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NS_ADDREF_THIS();
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return NS_OK;
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}
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if (aIID.Equals(NS_GET_IID(nsITableEditor))) {
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*aInstancePtr = NS_STATIC_CAST(nsITableEditor*, this);
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NS_ADDREF_THIS();
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return NS_OK;
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}
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if (aIID.Equals(NS_GET_IID(nsIEditorStyleSheets))) {
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*aInstancePtr = NS_STATIC_CAST(nsIEditorStyleSheets*, this);
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NS_ADDREF_THIS();
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return NS_OK;
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}
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if (aIID.Equals(NS_GET_IID(nsICSSLoaderObserver))) {
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*aInstancePtr = NS_STATIC_CAST(nsICSSLoaderObserver*, this);
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NS_ADDREF_THIS();
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return NS_OK;
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}
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return nsEditor::QueryInterface(aIID, aInstancePtr);
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}
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NS_IMETHODIMP nsHTMLEditor::Init(nsIDOMDocument *aDoc,
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nsIPresShell *aPresShell, nsIContent *aRoot, nsISelectionController *aSelCon, PRUint32 aFlags)
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{
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NS_PRECONDITION(aDoc && aPresShell, "bad arg");
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if (!aDoc || !aPresShell)
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return NS_ERROR_NULL_POINTER;
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nsresult result = NS_OK, rulesRes = NS_OK;
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// make a range util object for comparing dom points
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mRangeHelper = do_CreateInstance(kRangeUtilsCID);
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if (!mRangeHelper) return NS_ERROR_NULL_POINTER;
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// Init mEditProperty
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result = NS_NewEditProperty(getter_AddRefs(mEditProperty));
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if (NS_FAILED(result)) { return result; }
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if (!mEditProperty) {return NS_ERROR_NULL_POINTER;}
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if (1)
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{
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// block to scope nsAutoEditInitRulesTrigger
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nsAutoEditInitRulesTrigger rulesTrigger(NS_STATIC_CAST(nsPlaintextEditor*,this), rulesRes);
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// Init the plaintext editor
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result = nsPlaintextEditor::Init(aDoc, aPresShell, aRoot, aSelCon, aFlags);
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if (NS_FAILED(result)) { return result; }
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// the HTML Editor is CSS-aware only in the case of Composer
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mCSSAware = PRBool(0 == aFlags);
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// Init the HTML-CSS utils
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if (mHTMLCSSUtils)
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delete mHTMLCSSUtils;
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result = NS_NewHTMLCSSUtils(&mHTMLCSSUtils);
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if (NS_FAILED(result)) { return result; }
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mHTMLCSSUtils->Init(this);
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// disable links
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nsCOMPtr<nsIPresContext> context;
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aPresShell->GetPresContext(getter_AddRefs(context));
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if (!context) return NS_ERROR_NULL_POINTER;
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if (!(mFlags & eEditorPlaintextMask))
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context->SetLinkHandler(0);
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nsCOMPtr<nsIDOMElement> bodyElement;
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result = nsEditor::GetRootElement(getter_AddRefs(bodyElement));
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if (NS_FAILED(result)) { return result; }
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if (!bodyElement) { return NS_ERROR_NULL_POINTER; }
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// init the type-in state
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mTypeInState = new TypeInState();
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if (!mTypeInState) {return NS_ERROR_NULL_POINTER;}
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NS_ADDREF(mTypeInState);
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nsCOMPtr<nsISelection>selection;
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result = GetSelection(getter_AddRefs(selection));
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if (NS_FAILED(result)) { return result; }
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if (selection)
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{
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nsCOMPtr<nsISelectionPrivate> selPriv(do_QueryInterface(selection));
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nsCOMPtr<nsISelectionListener>listener;
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listener = do_QueryInterface(mTypeInState);
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if (listener) {
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selPriv->AddSelectionListener(listener);
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}
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}
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// Set up a DTD
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mDTD = do_CreateInstance(kCTransitionalDTDCID);
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if (!mDTD) result = NS_ERROR_FAILURE;
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}
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if (NS_FAILED(rulesRes)) return rulesRes;
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return result;
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}
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NS_IMETHODIMP
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nsHTMLEditor::PostCreate()
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{
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nsresult result = InstallEventListeners();
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if (NS_FAILED(result)) return result;
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result = nsEditor::PostCreate();
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return result;
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}
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NS_IMETHODIMP
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nsHTMLEditor::InstallEventListeners()
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{
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NS_ASSERTION(mDocWeak, "no document set on this editor");
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if (!mDocWeak) return NS_ERROR_NOT_INITIALIZED;
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nsresult result;
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// get a key listener
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result = NS_NewEditorKeyListener(getter_AddRefs(mKeyListenerP), this);
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if (NS_FAILED(result)) {
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HandleEventListenerError();
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return result;
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}
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// get a mouse listener
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result = NS_NewHTMLEditorMouseListener(getter_AddRefs(mMouseListenerP), this);
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if (NS_FAILED(result)) {
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HandleEventListenerError();
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return result;
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}
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// get a text listener
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result = NS_NewEditorTextListener(getter_AddRefs(mTextListenerP),this);
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if (NS_FAILED(result)) {
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#ifdef DEBUG_TAGUE
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printf("nsTextEditor.cpp: failed to get TextEvent Listener\n");
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#endif
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HandleEventListenerError();
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return result;
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}
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// get a composition listener
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result = NS_NewEditorCompositionListener(getter_AddRefs(mCompositionListenerP),this);
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if (NS_FAILED(result)) {
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#ifdef DEBUG_TAGUE
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printf("nsTextEditor.cpp: failed to get TextEvent Listener\n");
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#endif
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HandleEventListenerError();
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return result;
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}
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// get a drag listener
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result = NS_NewEditorDragListener(getter_AddRefs(mDragListenerP), this);
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if (NS_FAILED(result)) {
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HandleEventListenerError();
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return result;
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}
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// get a focus listener
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result = NS_NewEditorFocusListener(getter_AddRefs(mFocusListenerP), this);
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if (NS_FAILED(result)) {
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HandleEventListenerError();
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return result;
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}
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nsCOMPtr<nsIDOMEventReceiver> erP;
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result = GetDOMEventReceiver(getter_AddRefs(erP));
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//end hack
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if (NS_FAILED(result)) {
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HandleEventListenerError();
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return result;
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}
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// register the event listeners with the DOM event reveiver
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result = erP->AddEventListenerByIID(mKeyListenerP, NS_GET_IID(nsIDOMKeyListener));
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NS_ASSERTION(NS_SUCCEEDED(result), "failed to register key listener");
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if (NS_SUCCEEDED(result))
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{
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result = erP->AddEventListenerByIID(mMouseListenerP, NS_GET_IID(nsIDOMMouseListener));
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NS_ASSERTION(NS_SUCCEEDED(result), "failed to register mouse listener");
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if (NS_SUCCEEDED(result))
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{
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result = erP->AddEventListenerByIID(mFocusListenerP, NS_GET_IID(nsIDOMFocusListener));
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NS_ASSERTION(NS_SUCCEEDED(result), "failed to register focus listener");
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if (NS_SUCCEEDED(result))
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{
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result = erP->AddEventListenerByIID(mTextListenerP, NS_GET_IID(nsIDOMTextListener));
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NS_ASSERTION(NS_SUCCEEDED(result), "failed to register text listener");
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if (NS_SUCCEEDED(result))
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{
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result = erP->AddEventListenerByIID(mCompositionListenerP, NS_GET_IID(nsIDOMCompositionListener));
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NS_ASSERTION(NS_SUCCEEDED(result), "failed to register composition listener");
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if (NS_SUCCEEDED(result))
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{
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result = erP->AddEventListenerByIID(mDragListenerP, NS_GET_IID(nsIDOMDragListener));
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NS_ASSERTION(NS_SUCCEEDED(result), "failed to register drag listener");
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}
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}
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}
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}
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}
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if (NS_FAILED(result)) {
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HandleEventListenerError();
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}
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return result;
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}
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NS_IMETHODIMP
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|
nsHTMLEditor::GetFlags(PRUint32 *aFlags)
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{
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if (!mRules || !aFlags) { return NS_ERROR_NULL_POINTER; }
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return mRules->GetFlags(aFlags);
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}
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NS_IMETHODIMP
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|
nsHTMLEditor::SetFlags(PRUint32 aFlags)
|
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{
|
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if (!mRules) { return NS_ERROR_NULL_POINTER; }
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mCSSAware = !PRBool(aFlags | nsIPlaintextEditor::eEditorNoCSSMask);
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return mRules->SetFlags(aFlags);
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}
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NS_IMETHODIMP nsHTMLEditor::InitRules()
|
|
{
|
|
// instantiate the rules for the html editor
|
|
nsresult res = NS_NewHTMLEditRules(getter_AddRefs(mRules));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!mRules) return NS_ERROR_UNEXPECTED;
|
|
res = mRules->Init(NS_STATIC_CAST(nsPlaintextEditor*,this), mFlags);
|
|
|
|
return res;
|
|
}
|
|
|
|
/**
|
|
* Returns true if the id represents an element of block type.
|
|
* Can be used to determine if a new paragraph should be started.
|
|
*/
|
|
nsresult
|
|
nsHTMLEditor::NodeIsBlockStatic(nsIDOMNode *aNode, PRBool *aIsBlock)
|
|
{
|
|
if (!aNode || !aIsBlock) { return NS_ERROR_NULL_POINTER; }
|
|
|
|
#define USE_PARSER_FOR_BLOCKNESS 1
|
|
#ifdef USE_PARSER_FOR_BLOCKNESS
|
|
nsresult rv;
|
|
|
|
nsCOMPtr<nsIDOMElement>element;
|
|
element = do_QueryInterface(aNode);
|
|
if (!element)
|
|
{
|
|
// We don't have an element -- probably a text node
|
|
*aIsBlock = PR_FALSE;
|
|
return NS_OK;
|
|
}
|
|
|
|
*aIsBlock = PR_FALSE;
|
|
|
|
// Get the node name and atom:
|
|
nsAutoString tagName;
|
|
rv = element->GetTagName(tagName);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
ToLowerCase(tagName);
|
|
nsCOMPtr<nsIAtom> tagAtom = getter_AddRefs(NS_NewAtom(tagName));
|
|
if (!tagAtom) return NS_ERROR_NULL_POINTER;
|
|
|
|
if (!sParserService) {
|
|
sParserService = do_GetService(kParserServiceCID, &rv);
|
|
if (NS_FAILED(rv)) return rv;
|
|
}
|
|
|
|
// Nodes we know we want to treat as block
|
|
// even though the parser says they're not:
|
|
if (tagAtom==nsIEditProperty::body ||
|
|
tagAtom==nsIEditProperty::head ||
|
|
tagAtom==nsIEditProperty::tbody ||
|
|
tagAtom==nsIEditProperty::thead ||
|
|
tagAtom==nsIEditProperty::tfoot ||
|
|
tagAtom==nsIEditProperty::tr ||
|
|
tagAtom==nsIEditProperty::th ||
|
|
tagAtom==nsIEditProperty::td ||
|
|
tagAtom==nsIEditProperty::li ||
|
|
tagAtom==nsIEditProperty::pre)
|
|
{
|
|
*aIsBlock = PR_TRUE;
|
|
return NS_OK;
|
|
}
|
|
|
|
// This sucks. The parser service's isBlock requires a string,
|
|
// so we have to get the name atom, convert it into a string, call
|
|
// the parser service to get the id, in order to call the parser
|
|
// service to ask about blockness.
|
|
// Harish is working on a more efficient API we can use.
|
|
PRInt32 id;
|
|
rv = sParserService->HTMLStringTagToId(tagName, &id);
|
|
if (NS_FAILED(rv)) return rv;
|
|
rv = sParserService->IsBlock(id, *aIsBlock);
|
|
|
|
#ifdef DEBUG
|
|
// Check this against what we would have said with the old code:
|
|
if (tagAtom==nsIEditProperty::p ||
|
|
tagAtom==nsIEditProperty::div ||
|
|
tagAtom==nsIEditProperty::blockquote ||
|
|
tagAtom==nsIEditProperty::h1 ||
|
|
tagAtom==nsIEditProperty::h2 ||
|
|
tagAtom==nsIEditProperty::h3 ||
|
|
tagAtom==nsIEditProperty::h4 ||
|
|
tagAtom==nsIEditProperty::h5 ||
|
|
tagAtom==nsIEditProperty::h6 ||
|
|
tagAtom==nsIEditProperty::ul ||
|
|
tagAtom==nsIEditProperty::ol ||
|
|
tagAtom==nsIEditProperty::dl ||
|
|
tagAtom==nsIEditProperty::noscript ||
|
|
tagAtom==nsIEditProperty::form ||
|
|
tagAtom==nsIEditProperty::hr ||
|
|
tagAtom==nsIEditProperty::table ||
|
|
tagAtom==nsIEditProperty::fieldset ||
|
|
tagAtom==nsIEditProperty::address ||
|
|
tagAtom==nsIEditProperty::caption ||
|
|
tagAtom==nsIEditProperty::col ||
|
|
tagAtom==nsIEditProperty::colgroup ||
|
|
tagAtom==nsIEditProperty::li ||
|
|
tagAtom==nsIEditProperty::dt ||
|
|
tagAtom==nsIEditProperty::dd ||
|
|
tagAtom==nsIEditProperty::legend )
|
|
{
|
|
if (!(*aIsBlock))
|
|
{
|
|
nsAutoString assertmsg (NS_LITERAL_STRING("Parser and editor disagree on blockness: "));
|
|
assertmsg.Append(tagName);
|
|
char* assertstr = ToNewCString(assertmsg);
|
|
NS_ASSERTION(*aIsBlock, assertstr);
|
|
Recycle(assertstr);
|
|
}
|
|
}
|
|
#endif /* DEBUG */
|
|
|
|
return rv;
|
|
#else /* USE_PARSER_FOR_BLOCKNESS */
|
|
nsresult result = NS_ERROR_FAILURE;
|
|
*aIsBlock = PR_FALSE;
|
|
nsCOMPtr<nsIDOMElement>element;
|
|
element = do_QueryInterface(aNode);
|
|
if (element)
|
|
{
|
|
nsAutoString tagName;
|
|
result = element->GetTagName(tagName);
|
|
if (NS_SUCCEEDED(result))
|
|
{
|
|
ToLowerCase(tagName);
|
|
nsIAtom *tagAtom = NS_NewAtom(tagName);
|
|
if (!tagAtom) { return NS_ERROR_NULL_POINTER; }
|
|
|
|
if (tagAtom==nsIEditProperty::p ||
|
|
tagAtom==nsIEditProperty::div ||
|
|
tagAtom==nsIEditProperty::blockquote ||
|
|
tagAtom==nsIEditProperty::h1 ||
|
|
tagAtom==nsIEditProperty::h2 ||
|
|
tagAtom==nsIEditProperty::h3 ||
|
|
tagAtom==nsIEditProperty::h4 ||
|
|
tagAtom==nsIEditProperty::h5 ||
|
|
tagAtom==nsIEditProperty::h6 ||
|
|
tagAtom==nsIEditProperty::ul ||
|
|
tagAtom==nsIEditProperty::ol ||
|
|
tagAtom==nsIEditProperty::dl ||
|
|
tagAtom==nsIEditProperty::pre ||
|
|
tagAtom==nsIEditProperty::noscript ||
|
|
tagAtom==nsIEditProperty::form ||
|
|
tagAtom==nsIEditProperty::hr ||
|
|
tagAtom==nsIEditProperty::fieldset ||
|
|
tagAtom==nsIEditProperty::address ||
|
|
tagAtom==nsIEditProperty::body ||
|
|
tagAtom==nsIEditProperty::caption ||
|
|
tagAtom==nsIEditProperty::table ||
|
|
tagAtom==nsIEditProperty::tbody ||
|
|
tagAtom==nsIEditProperty::thead ||
|
|
tagAtom==nsIEditProperty::tfoot ||
|
|
tagAtom==nsIEditProperty::tr ||
|
|
tagAtom==nsIEditProperty::td ||
|
|
tagAtom==nsIEditProperty::th ||
|
|
tagAtom==nsIEditProperty::col ||
|
|
tagAtom==nsIEditProperty::colgroup ||
|
|
tagAtom==nsIEditProperty::li ||
|
|
tagAtom==nsIEditProperty::dt ||
|
|
tagAtom==nsIEditProperty::dd ||
|
|
tagAtom==nsIEditProperty::legend )
|
|
{
|
|
*aIsBlock = PR_TRUE;
|
|
}
|
|
NS_RELEASE(tagAtom);
|
|
result = NS_OK;
|
|
}
|
|
} else {
|
|
// We don't have an element -- probably a text node
|
|
nsCOMPtr<nsIDOMCharacterData>nodeAsText = do_QueryInterface(aNode);
|
|
if (nodeAsText)
|
|
{
|
|
*aIsBlock = PR_FALSE;
|
|
result = NS_OK;
|
|
}
|
|
}
|
|
return result;
|
|
|
|
#endif /* USE_PARSER_FOR_BLOCKNESS */
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::NodeIsBlock(nsIDOMNode *aNode, PRBool *aIsBlock)
|
|
{
|
|
return NodeIsBlockStatic(aNode, aIsBlock);
|
|
}
|
|
|
|
PRBool
|
|
nsHTMLEditor::IsBlockNode(nsIDOMNode *aNode)
|
|
{
|
|
PRBool isBlock;
|
|
NodeIsBlockStatic(aNode, &isBlock);
|
|
return isBlock;
|
|
}
|
|
|
|
// Non-static version for the nsIEditor interface and JavaScript
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::SetDocumentTitle(const nsAString &aTitle)
|
|
{
|
|
SetDocTitleTxn *txn;
|
|
nsresult result = TransactionFactory::GetNewTransaction(SetDocTitleTxn::GetCID(), (EditTxn **)&txn);
|
|
if (NS_SUCCEEDED(result))
|
|
{
|
|
result = txn->Init(this, &aTitle);
|
|
|
|
if (NS_SUCCEEDED(result))
|
|
{
|
|
//Don't let Rules System change the selection
|
|
nsAutoTxnsConserveSelection dontChangeSelection(this);
|
|
|
|
result = nsEditor::Do(txn);
|
|
}
|
|
// The transaction system (if any) has taken ownwership of txn
|
|
NS_IF_RELEASE(txn);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
/* ------------ Block methods moved from nsEditor -------------- */
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// GetBlockNodeParent: returns enclosing block level ancestor, if any
|
|
//
|
|
nsCOMPtr<nsIDOMNode>
|
|
nsHTMLEditor::GetBlockNodeParent(nsIDOMNode *aNode)
|
|
{
|
|
nsCOMPtr<nsIDOMNode> tmp;
|
|
nsCOMPtr<nsIDOMNode> p;
|
|
|
|
if (!aNode)
|
|
{
|
|
NS_NOTREACHED("null node passed to GetBlockNodeParent()");
|
|
return PR_FALSE;
|
|
}
|
|
|
|
if (NS_FAILED(aNode->GetParentNode(getter_AddRefs(p)))) // no parent, ran off top of tree
|
|
return tmp;
|
|
|
|
while (p)
|
|
{
|
|
PRBool isBlock;
|
|
if (NS_FAILED(NodeIsBlockStatic(p, &isBlock)) || isBlock)
|
|
break;
|
|
if ( NS_FAILED(p->GetParentNode(getter_AddRefs(tmp))) || !tmp) // no parent, ran off top of tree
|
|
return p;
|
|
|
|
p = tmp;
|
|
}
|
|
return p;
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// HasSameBlockNodeParent: true if nodes have same block level ancestor
|
|
//
|
|
PRBool
|
|
nsHTMLEditor::HasSameBlockNodeParent(nsIDOMNode *aNode1, nsIDOMNode *aNode2)
|
|
{
|
|
if (!aNode1 || !aNode2)
|
|
{
|
|
NS_NOTREACHED("null node passed to HasSameBlockNodeParent()");
|
|
return PR_FALSE;
|
|
}
|
|
|
|
if (aNode1 == aNode2)
|
|
return PR_TRUE;
|
|
|
|
nsCOMPtr<nsIDOMNode> p1 = GetBlockNodeParent(aNode1);
|
|
nsCOMPtr<nsIDOMNode> p2 = GetBlockNodeParent(aNode2);
|
|
|
|
return (p1 == p2);
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// GetBlockSection: return leftmost/rightmost nodes in aChild's block
|
|
//
|
|
nsresult
|
|
nsHTMLEditor::GetBlockSection(nsIDOMNode *aChild,
|
|
nsIDOMNode **aLeftNode,
|
|
nsIDOMNode **aRightNode)
|
|
{
|
|
nsresult result = NS_OK;
|
|
if (!aChild || !aLeftNode || !aRightNode) {return NS_ERROR_NULL_POINTER;}
|
|
*aLeftNode = aChild;
|
|
*aRightNode = aChild;
|
|
|
|
nsCOMPtr<nsIDOMNode>sibling;
|
|
result = aChild->GetPreviousSibling(getter_AddRefs(sibling));
|
|
while ((NS_SUCCEEDED(result)) && sibling)
|
|
{
|
|
PRBool isBlock;
|
|
NodeIsBlockStatic(sibling, &isBlock);
|
|
if (isBlock)
|
|
{
|
|
nsCOMPtr<nsIDOMCharacterData>nodeAsText = do_QueryInterface(sibling);
|
|
if (!nodeAsText) {
|
|
break;
|
|
}
|
|
// XXX: needs some logic to work for other leaf nodes besides text!
|
|
}
|
|
*aLeftNode = sibling;
|
|
result = (*aLeftNode)->GetPreviousSibling(getter_AddRefs(sibling));
|
|
}
|
|
NS_ADDREF((*aLeftNode));
|
|
// now do the right side
|
|
result = aChild->GetNextSibling(getter_AddRefs(sibling));
|
|
while ((NS_SUCCEEDED(result)) && sibling)
|
|
{
|
|
PRBool isBlock;
|
|
NodeIsBlockStatic(sibling, &isBlock);
|
|
if (isBlock)
|
|
{
|
|
nsCOMPtr<nsIDOMCharacterData>nodeAsText = do_QueryInterface(sibling);
|
|
if (!nodeAsText) {
|
|
break;
|
|
}
|
|
}
|
|
*aRightNode = sibling;
|
|
result = (*aRightNode)->GetNextSibling(getter_AddRefs(sibling));
|
|
}
|
|
NS_ADDREF((*aRightNode));
|
|
if (gNoisy) { printf("GetBlockSection returning %p %p\n",
|
|
(void*)(*aLeftNode), (void*)(*aRightNode)); }
|
|
|
|
return result;
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// GetBlockSectionsForRange: return list of block sections that intersect
|
|
// this range
|
|
nsresult
|
|
nsHTMLEditor::GetBlockSectionsForRange(nsIDOMRange *aRange,
|
|
nsISupportsArray *aSections)
|
|
{
|
|
if (!aRange || !aSections) {return NS_ERROR_NULL_POINTER;}
|
|
|
|
nsresult result;
|
|
nsCOMPtr<nsIContentIterator>iter;
|
|
result = nsComponentManager::CreateInstance(kCContentIteratorCID, nsnull,
|
|
NS_GET_IID(nsIContentIterator), getter_AddRefs(iter));
|
|
if ((NS_SUCCEEDED(result)) && iter)
|
|
{
|
|
nsCOMPtr<nsIDOMRange> lastRange;
|
|
iter->Init(aRange);
|
|
nsCOMPtr<nsIContent> currentContent;
|
|
iter->CurrentNode(getter_AddRefs(currentContent));
|
|
while (NS_ENUMERATOR_FALSE == iter->IsDone())
|
|
{
|
|
nsCOMPtr<nsIDOMNode>currentNode = do_QueryInterface(currentContent);
|
|
if (currentNode)
|
|
{
|
|
nsCOMPtr<nsIAtom> currentContentTag;
|
|
currentContent->GetTag(*getter_AddRefs(currentContentTag));
|
|
// <BR> divides block content ranges. We can achieve this by nulling out lastRange
|
|
if (nsIEditProperty::br==currentContentTag.get())
|
|
{
|
|
lastRange = do_QueryInterface(nsnull);
|
|
}
|
|
else
|
|
{
|
|
PRBool isNotInlineOrText;
|
|
result = NodeIsBlockStatic(currentNode, &isNotInlineOrText);
|
|
if (isNotInlineOrText)
|
|
{
|
|
PRUint16 nodeType;
|
|
currentNode->GetNodeType(&nodeType);
|
|
if (nsIDOMNode::TEXT_NODE == nodeType) {
|
|
isNotInlineOrText = PR_TRUE;
|
|
}
|
|
}
|
|
if (PR_FALSE==isNotInlineOrText)
|
|
{
|
|
nsCOMPtr<nsIDOMNode>leftNode;
|
|
nsCOMPtr<nsIDOMNode>rightNode;
|
|
result = GetBlockSection(currentNode,
|
|
getter_AddRefs(leftNode),
|
|
getter_AddRefs(rightNode));
|
|
if (gNoisy) {printf("currentNode %p has block content (%p,%p)\n", (void*)currentNode.get(), (void*)leftNode.get(), (void*)rightNode.get());}
|
|
if ((NS_SUCCEEDED(result)) && leftNode && rightNode)
|
|
{
|
|
// add range to the list if it doesn't overlap with the previous range
|
|
PRBool addRange=PR_TRUE;
|
|
if (lastRange)
|
|
{
|
|
nsCOMPtr<nsIDOMNode> lastStartNode;
|
|
nsCOMPtr<nsIDOMElement> blockParentOfLastStartNode;
|
|
lastRange->GetStartContainer(getter_AddRefs(lastStartNode));
|
|
blockParentOfLastStartNode = do_QueryInterface(GetBlockNodeParent(lastStartNode));
|
|
if (blockParentOfLastStartNode)
|
|
{
|
|
if (gNoisy) {printf("lastStartNode %p has block parent %p\n", (void*)lastStartNode.get(), (void*)blockParentOfLastStartNode.get());}
|
|
nsCOMPtr<nsIDOMElement> blockParentOfLeftNode;
|
|
blockParentOfLeftNode = do_QueryInterface(GetBlockNodeParent(leftNode));
|
|
if (blockParentOfLeftNode)
|
|
{
|
|
if (gNoisy) {printf("leftNode %p has block parent %p\n", (void*)leftNode.get(), (void*)blockParentOfLeftNode.get());}
|
|
if (blockParentOfLastStartNode==blockParentOfLeftNode) {
|
|
addRange = PR_FALSE;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (PR_TRUE==addRange)
|
|
{
|
|
if (gNoisy) {printf("adding range, setting lastRange with start node %p\n", (void*)leftNode.get());}
|
|
nsCOMPtr<nsIDOMRange> range;
|
|
result = nsComponentManager::CreateInstance(kCRangeCID, nsnull,
|
|
NS_GET_IID(nsIDOMRange), getter_AddRefs(range));
|
|
if ((NS_SUCCEEDED(result)) && range)
|
|
{ // initialize the range
|
|
range->SetStart(leftNode, 0);
|
|
range->SetEnd(rightNode, 0);
|
|
aSections->AppendElement(range);
|
|
lastRange = do_QueryInterface(range);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
/* do not check result here, and especially do not return the result code.
|
|
* we rely on iter->IsDone to tell us when the iteration is complete
|
|
*/
|
|
iter->Next();
|
|
iter->CurrentNode(getter_AddRefs(currentContent));
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// NextNodeInBlock: gets the next/prev node in the block, if any. Next node
|
|
// must be an element or text node, others are ignored
|
|
nsCOMPtr<nsIDOMNode>
|
|
nsHTMLEditor::NextNodeInBlock(nsIDOMNode *aNode, IterDirection aDir)
|
|
{
|
|
nsCOMPtr<nsIDOMNode> nullNode;
|
|
nsCOMPtr<nsIContent> content;
|
|
nsCOMPtr<nsIContent> blockContent;
|
|
nsCOMPtr<nsIDOMNode> node;
|
|
nsCOMPtr<nsIDOMNode> blockParent;
|
|
|
|
if (!aNode) return nullNode;
|
|
|
|
nsCOMPtr<nsIContentIterator> iter;
|
|
if (NS_FAILED(nsComponentManager::CreateInstance(kCContentIteratorCID, nsnull,
|
|
NS_GET_IID(nsIContentIterator),
|
|
getter_AddRefs(iter))))
|
|
return nullNode;
|
|
|
|
// much gnashing of teeth as we twit back and forth between content and domnode types
|
|
content = do_QueryInterface(aNode);
|
|
PRBool isBlock;
|
|
if (NS_SUCCEEDED(NodeIsBlockStatic(aNode, &isBlock)) && isBlock)
|
|
{
|
|
blockParent = do_QueryInterface(aNode);
|
|
}
|
|
else
|
|
{
|
|
blockParent = GetBlockNodeParent(aNode);
|
|
}
|
|
if (!blockParent) return nullNode;
|
|
blockContent = do_QueryInterface(blockParent);
|
|
if (!blockContent) return nullNode;
|
|
|
|
if (NS_FAILED(iter->Init(blockContent))) return nullNode;
|
|
if (NS_FAILED(iter->PositionAt(content))) return nullNode;
|
|
|
|
while (NS_ENUMERATOR_FALSE == iter->IsDone())
|
|
{
|
|
if (NS_FAILED(iter->CurrentNode(getter_AddRefs(content)))) return nullNode;
|
|
// ignore nodes that aren't elements or text, or that are the block parent
|
|
node = do_QueryInterface(content);
|
|
if (node && IsTextOrElementNode(node) && (node != blockParent) && (node.get() != aNode))
|
|
return node;
|
|
|
|
if (aDir == kIterForward)
|
|
iter->Next();
|
|
else
|
|
iter->Prev();
|
|
}
|
|
|
|
return nullNode;
|
|
}
|
|
|
|
static const PRUnichar nbsp = 160;
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// IsNextCharWhitespace: checks the adjacent content in the same block
|
|
// to see if following selection is whitespace or nbsp
|
|
nsresult
|
|
nsHTMLEditor::IsNextCharWhitespace(nsIDOMNode *aParentNode,
|
|
PRInt32 aOffset,
|
|
PRBool *outIsSpace,
|
|
PRBool *outIsNBSP,
|
|
nsCOMPtr<nsIDOMNode> *outNode,
|
|
PRInt32 *outOffset)
|
|
{
|
|
if (!outIsSpace || !outIsNBSP) return NS_ERROR_NULL_POINTER;
|
|
*outIsSpace = PR_FALSE;
|
|
*outIsNBSP = PR_FALSE;
|
|
if (outNode) *outNode = nsnull;
|
|
if (outOffset) *outOffset = -1;
|
|
|
|
nsAutoString tempString;
|
|
PRUint32 strLength;
|
|
nsCOMPtr<nsIDOMText> textNode = do_QueryInterface(aParentNode);
|
|
if (textNode)
|
|
{
|
|
textNode->GetLength(&strLength);
|
|
if ((PRUint32)aOffset < strLength)
|
|
{
|
|
// easy case: next char is in same node
|
|
textNode->SubstringData(aOffset,aOffset+1,tempString);
|
|
*outIsSpace = nsCRT::IsAsciiSpace(tempString.First());
|
|
*outIsNBSP = (tempString.First() == nbsp);
|
|
if (outNode) *outNode = do_QueryInterface(aParentNode);
|
|
if (outOffset) *outOffset = aOffset+1; // yes, this is _past_ the character;
|
|
return NS_OK;
|
|
}
|
|
}
|
|
|
|
// harder case: next char in next node.
|
|
nsCOMPtr<nsIDOMNode> node = NextNodeInBlock(aParentNode, kIterForward);
|
|
nsCOMPtr<nsIDOMNode> tmp;
|
|
while (node)
|
|
{
|
|
PRBool isBlock (PR_FALSE);
|
|
NodeIsBlock(node, &isBlock);
|
|
if (isBlock) // skip over bold, italic, link, ect nodes
|
|
{
|
|
if (IsTextNode(node) && IsEditable(node))
|
|
{
|
|
textNode = do_QueryInterface(node);
|
|
textNode->GetLength(&strLength);
|
|
if (strLength)
|
|
{
|
|
textNode->SubstringData(0,1,tempString);
|
|
*outIsSpace = nsCRT::IsAsciiSpace(tempString.First());
|
|
*outIsNBSP = (tempString.First() == nbsp);
|
|
if (outNode) *outNode = do_QueryInterface(node);
|
|
if (outOffset) *outOffset = 1; // yes, this is _past_ the character;
|
|
return NS_OK;
|
|
}
|
|
// else it's an empty text node, or not editable; skip it.
|
|
}
|
|
else // node is an image or some other thingy that doesn't count as whitespace
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
tmp = node;
|
|
node = NextNodeInBlock(tmp, kIterForward);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// IsPrevCharWhitespace: checks the adjacent content in the same block
|
|
// to see if following selection is whitespace
|
|
nsresult
|
|
nsHTMLEditor::IsPrevCharWhitespace(nsIDOMNode *aParentNode,
|
|
PRInt32 aOffset,
|
|
PRBool *outIsSpace,
|
|
PRBool *outIsNBSP,
|
|
nsCOMPtr<nsIDOMNode> *outNode,
|
|
PRInt32 *outOffset)
|
|
{
|
|
if (!outIsSpace || !outIsNBSP) return NS_ERROR_NULL_POINTER;
|
|
*outIsSpace = PR_FALSE;
|
|
*outIsNBSP = PR_FALSE;
|
|
if (outNode) *outNode = nsnull;
|
|
if (outOffset) *outOffset = -1;
|
|
|
|
nsAutoString tempString;
|
|
PRUint32 strLength;
|
|
nsCOMPtr<nsIDOMText> textNode = do_QueryInterface(aParentNode);
|
|
if (textNode)
|
|
{
|
|
if (aOffset > 0)
|
|
{
|
|
// easy case: prev char is in same node
|
|
textNode->SubstringData(aOffset-1,aOffset,tempString);
|
|
*outIsSpace = nsCRT::IsAsciiSpace(tempString.First());
|
|
*outIsNBSP = (tempString.First() == nbsp);
|
|
if (outNode) *outNode = do_QueryInterface(aParentNode);
|
|
if (outOffset) *outOffset = aOffset-1;
|
|
return NS_OK;
|
|
}
|
|
}
|
|
|
|
// harder case: prev char in next node
|
|
nsCOMPtr<nsIDOMNode> node = NextNodeInBlock(aParentNode, kIterBackward);
|
|
nsCOMPtr<nsIDOMNode> tmp;
|
|
while (node)
|
|
{
|
|
PRBool isBlock (PR_FALSE);
|
|
NodeIsBlock(node, &isBlock);
|
|
if (isBlock) // skip over bold, italic, link, ect nodes
|
|
{
|
|
if (IsTextNode(node) && IsEditable(node))
|
|
{
|
|
textNode = do_QueryInterface(node);
|
|
textNode->GetLength(&strLength);
|
|
if (strLength)
|
|
{
|
|
// you could use nsITextContent::IsOnlyWhitespace here
|
|
textNode->SubstringData(strLength-1,strLength,tempString);
|
|
*outIsSpace = nsCRT::IsAsciiSpace(tempString.First());
|
|
*outIsNBSP = (tempString.First() == nbsp);
|
|
if (outNode) *outNode = do_QueryInterface(aParentNode);
|
|
if (outOffset) *outOffset = strLength-1;
|
|
return NS_OK;
|
|
}
|
|
// else it's an empty text node, or not editable; skip it.
|
|
}
|
|
else // node is an image or some other thingy that doesn't count as whitespace
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
// otherwise we found a node we want to skip, keep going
|
|
tmp = node;
|
|
node = NextNodeInBlock(tmp, kIterBackward);
|
|
}
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* ------------ End Block methods -------------- */
|
|
|
|
|
|
PRBool nsHTMLEditor::IsVisBreak(nsIDOMNode *aNode)
|
|
{
|
|
if (!aNode)
|
|
return PR_FALSE;
|
|
if (!nsTextEditUtils::IsBreak(aNode))
|
|
return PR_FALSE;
|
|
// check if there is a later node in block after br
|
|
nsCOMPtr<nsIDOMNode> priorNode, nextNode;
|
|
GetPriorHTMLNode(aNode, address_of(priorNode), PR_TRUE);
|
|
GetNextHTMLNode(aNode, address_of(nextNode), PR_TRUE);
|
|
// if we are next to another break, we are visible
|
|
if (priorNode && nsTextEditUtils::IsBreak(priorNode))
|
|
return PR_TRUE;
|
|
if (nextNode && nsTextEditUtils::IsBreak(nextNode))
|
|
return PR_TRUE;
|
|
|
|
// if we are right before block boundary, then br not visible
|
|
if (!nextNode)
|
|
return PR_FALSE; // this break is trailer in block, it's not visible
|
|
if (IsBlockNode(nextNode))
|
|
return PR_FALSE; // break is right before a block, it's not visible
|
|
|
|
// sigh. We have to use expensive whitespace calculation code to
|
|
// determine what is going on
|
|
nsCOMPtr<nsIDOMNode> selNode, tmp;
|
|
PRInt32 selOffset;
|
|
GetNodeLocation(aNode, address_of(selNode), &selOffset);
|
|
selOffset++; // lets look after the break
|
|
nsWSRunObject wsObj(this, selNode, selOffset);
|
|
nsCOMPtr<nsIDOMNode> visNode;
|
|
PRInt32 visOffset=0;
|
|
PRInt16 visType=0;
|
|
wsObj.NextVisibleNode(selNode, selOffset, address_of(visNode), &visOffset, &visType);
|
|
if (visType & nsWSRunObject::eBlock)
|
|
return PR_FALSE;
|
|
|
|
return PR_TRUE;
|
|
}
|
|
|
|
|
|
PRBool nsHTMLEditor::IsModifiable()
|
|
{
|
|
PRUint32 flags;
|
|
if (NS_SUCCEEDED(GetFlags(&flags)))
|
|
return ((flags & eEditorReadonlyMask) == 0);
|
|
else
|
|
return PR_FALSE;
|
|
}
|
|
|
|
|
|
#ifdef XP_MAC
|
|
#pragma mark -
|
|
#pragma mark nsIHTMLEditor methods
|
|
#pragma mark -
|
|
#endif
|
|
|
|
NS_IMETHODIMP nsHTMLEditor::HandleKeyPress(nsIDOMKeyEvent* aKeyEvent)
|
|
{
|
|
PRUint32 keyCode, character;
|
|
PRBool isShift, ctrlKey, altKey, metaKey;
|
|
nsresult res;
|
|
|
|
if (!aKeyEvent) return NS_ERROR_NULL_POINTER;
|
|
|
|
if (NS_SUCCEEDED(aKeyEvent->GetKeyCode(&keyCode)) &&
|
|
NS_SUCCEEDED(aKeyEvent->GetShiftKey(&isShift)) &&
|
|
NS_SUCCEEDED(aKeyEvent->GetCtrlKey(&ctrlKey)) &&
|
|
NS_SUCCEEDED(aKeyEvent->GetAltKey(&altKey)) &&
|
|
NS_SUCCEEDED(aKeyEvent->GetMetaKey(&metaKey)))
|
|
{
|
|
// this royally blows: because tabs come in from keyDowns instead
|
|
// of keyPress, and because GetCharCode refuses to work for keyDown
|
|
// i have to play games.
|
|
if (keyCode == nsIDOMKeyEvent::DOM_VK_TAB) character = '\t';
|
|
else aKeyEvent->GetCharCode(&character);
|
|
|
|
if (keyCode == nsIDOMKeyEvent::DOM_VK_TAB && !(mFlags&eEditorPlaintextMask))
|
|
{
|
|
nsCOMPtr<nsISelection>selection;
|
|
res = GetSelection(getter_AddRefs(selection));
|
|
if (NS_FAILED(res)) return res;
|
|
PRInt32 offset;
|
|
nsCOMPtr<nsIDOMNode> node, blockParent;
|
|
res = GetStartNodeAndOffset(selection, address_of(node), &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
if (!node) return NS_ERROR_FAILURE;
|
|
|
|
PRBool isBlock (PR_FALSE);
|
|
NodeIsBlock(node, &isBlock);
|
|
if (isBlock) blockParent = node;
|
|
else blockParent = GetBlockNodeParent(node);
|
|
|
|
if (blockParent)
|
|
{
|
|
PRBool bHandled = PR_FALSE;
|
|
|
|
if (nsHTMLEditUtils::IsTableElement(blockParent))
|
|
{
|
|
res = TabInTable(isShift, &bHandled);
|
|
if (bHandled)
|
|
ScrollSelectionIntoView(PR_FALSE);
|
|
}
|
|
else if (nsHTMLEditUtils::IsListItem(blockParent))
|
|
{
|
|
nsAutoString indentstr;
|
|
if (isShift) indentstr.Assign(NS_LITERAL_STRING("outdent"));
|
|
else indentstr.Assign(NS_LITERAL_STRING("indent"));
|
|
res = Indent(indentstr);
|
|
bHandled = PR_TRUE;
|
|
}
|
|
if (NS_FAILED(res)) return res;
|
|
if (bHandled) return res;
|
|
}
|
|
}
|
|
else if (keyCode == nsIDOMKeyEvent::DOM_VK_RETURN
|
|
|| keyCode == nsIDOMKeyEvent::DOM_VK_ENTER)
|
|
{
|
|
nsString empty;
|
|
if (isShift && !(mFlags&eEditorPlaintextMask))
|
|
{
|
|
return TypedText(empty, eTypedBR); // only inserts a br node
|
|
}
|
|
else
|
|
{
|
|
return TypedText(empty, eTypedBreak); // uses rules to figure out what to insert
|
|
}
|
|
}
|
|
else if (keyCode == nsIDOMKeyEvent::DOM_VK_ESCAPE)
|
|
{
|
|
// pass escape keypresses through as empty strings: needed forime support
|
|
nsString empty;
|
|
return TypedText(empty, eTypedText);
|
|
}
|
|
|
|
// if we got here we either fell out of the tab case or have a normal character.
|
|
// Either way, treat as normal character.
|
|
if (character && !altKey && !ctrlKey && !isShift && !metaKey)
|
|
{
|
|
nsAutoString key(character);
|
|
return TypedText(key, eTypedText);
|
|
}
|
|
}
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
/* This routine is needed to provide a bottleneck for typing for logging
|
|
purposes. Can't use EditorKeyPress() (above) for that since it takes
|
|
a nsIDOMUIEvent* parameter. So instead we pass enough info through
|
|
to TypedText() to determine what action to take, but without passing
|
|
an event.
|
|
*/
|
|
NS_IMETHODIMP nsHTMLEditor::TypedText(const nsAString& aString,
|
|
PRInt32 aAction)
|
|
{
|
|
nsAutoPlaceHolderBatch batch(this, gTypingTxnName);
|
|
|
|
switch (aAction)
|
|
{
|
|
case eTypedText:
|
|
case eTypedBreak:
|
|
{
|
|
return nsPlaintextEditor::TypedText(aString, aAction);
|
|
}
|
|
case eTypedBR:
|
|
{
|
|
nsCOMPtr<nsIDOMNode> brNode;
|
|
return InsertBR(address_of(brNode)); // only inserts a br node
|
|
}
|
|
}
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
NS_IMETHODIMP nsHTMLEditor::TabInTable(PRBool inIsShift, PRBool *outHandled)
|
|
{
|
|
if (!outHandled) return NS_ERROR_NULL_POINTER;
|
|
*outHandled = PR_FALSE;
|
|
|
|
// Find enclosing table cell from the selection (cell may be the selected element)
|
|
nsCOMPtr<nsIDOMElement> cellElement;
|
|
// can't use |NS_LITERAL_STRING| here until |GetElementOrParentByTagName| is fixed to accept readables
|
|
nsresult res = GetElementOrParentByTagName(NS_LITERAL_STRING("td"), nsnull, getter_AddRefs(cellElement));
|
|
if (NS_FAILED(res)) return res;
|
|
// Do nothing -- we didn't find a table cell
|
|
if (!cellElement) return NS_OK;
|
|
|
|
// find enclosing table
|
|
nsCOMPtr<nsIDOMNode> tbl = GetEnclosingTable(cellElement);
|
|
if (!tbl) return res;
|
|
|
|
// advance to next cell
|
|
// first create an iterator over the table
|
|
nsCOMPtr<nsIContentIterator> iter;
|
|
res = nsComponentManager::CreateInstance(kCContentIteratorCID, nsnull,
|
|
NS_GET_IID(nsIContentIterator),
|
|
getter_AddRefs(iter));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!iter) return NS_ERROR_NULL_POINTER;
|
|
nsCOMPtr<nsIContent> cTbl = do_QueryInterface(tbl);
|
|
nsCOMPtr<nsIContent> cBlock = do_QueryInterface(cellElement);
|
|
res = iter->Init(cTbl);
|
|
if (NS_FAILED(res)) return res;
|
|
// position iter at block
|
|
res = iter->PositionAt(cBlock);
|
|
if (NS_FAILED(res)) return res;
|
|
nsCOMPtr<nsIDOMNode> node;
|
|
nsCOMPtr<nsIContent> cNode;
|
|
do
|
|
{
|
|
if (inIsShift) res = iter->Prev();
|
|
else res = iter->Next();
|
|
if (NS_FAILED(res)) break;
|
|
res = iter->CurrentNode(getter_AddRefs(cNode));
|
|
if (NS_FAILED(res)) break;
|
|
node = do_QueryInterface(cNode);
|
|
if (nsHTMLEditUtils::IsTableCell(node) && (GetEnclosingTable(node) == tbl))
|
|
{
|
|
res = CollapseSelectionToDeepestNonTableFirstChild(nsnull, node);
|
|
if (NS_FAILED(res)) return res;
|
|
*outHandled = PR_TRUE;
|
|
return NS_OK;
|
|
}
|
|
} while (iter->IsDone() == NS_ENUMERATOR_FALSE);
|
|
|
|
if (!(*outHandled) && !inIsShift)
|
|
{
|
|
// if we havent handled it yet then we must have run off the end of
|
|
// the table. Insert a new row.
|
|
res = InsertTableRow(1, PR_TRUE);
|
|
if (NS_FAILED(res)) return res;
|
|
*outHandled = PR_TRUE;
|
|
// put selection in right place
|
|
// Use table code to get selection and index to new row...
|
|
nsCOMPtr<nsISelection>selection;
|
|
nsCOMPtr<nsIDOMElement> tblElement;
|
|
nsCOMPtr<nsIDOMElement> cell;
|
|
PRInt32 row;
|
|
res = GetCellContext(getter_AddRefs(selection),
|
|
getter_AddRefs(tblElement),
|
|
getter_AddRefs(cell),
|
|
nsnull, nsnull,
|
|
&row, nsnull);
|
|
if (NS_FAILED(res)) return res;
|
|
// ...so that we can ask for first cell in that row...
|
|
res = GetCellAt(tblElement, row, 0, getter_AddRefs(cell));
|
|
if (NS_FAILED(res)) return res;
|
|
// ...and then set selection there.
|
|
// (Note that normally you should use CollapseSelectionToDeepestNonTableFirstChild(),
|
|
// but we know cell is an empty new cell, so this works fine)
|
|
node = do_QueryInterface(cell);
|
|
if (node) selection->Collapse(node,0);
|
|
return NS_OK;
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
NS_IMETHODIMP nsHTMLEditor::CreateBRImpl(nsCOMPtr<nsIDOMNode> *aInOutParent,
|
|
PRInt32 *aInOutOffset,
|
|
nsCOMPtr<nsIDOMNode> *outBRNode,
|
|
EDirection aSelect)
|
|
{
|
|
if (!aInOutParent || !*aInOutParent || !aInOutOffset || !outBRNode) return NS_ERROR_NULL_POINTER;
|
|
*outBRNode = nsnull;
|
|
nsresult res;
|
|
|
|
// we need to insert a br. unfortunately, we may have to split a text node to do it.
|
|
nsCOMPtr<nsIDOMNode> node = *aInOutParent;
|
|
PRInt32 theOffset = *aInOutOffset;
|
|
nsCOMPtr<nsIDOMCharacterData> nodeAsText = do_QueryInterface(node);
|
|
NS_NAMED_LITERAL_STRING(brType, "br");
|
|
nsCOMPtr<nsIDOMNode> brNode;
|
|
if (nodeAsText)
|
|
{
|
|
nsCOMPtr<nsIDOMNode> tmp;
|
|
PRInt32 offset;
|
|
PRUint32 len;
|
|
nodeAsText->GetLength(&len);
|
|
GetNodeLocation(node, address_of(tmp), &offset);
|
|
if (!tmp) return NS_ERROR_FAILURE;
|
|
if (!theOffset)
|
|
{
|
|
// we are already set to go
|
|
}
|
|
else if (theOffset == (PRInt32)len)
|
|
{
|
|
// update offset to point AFTER the text node
|
|
offset++;
|
|
}
|
|
else
|
|
{
|
|
// split the text node
|
|
res = SplitNode(node, theOffset, getter_AddRefs(tmp));
|
|
if (NS_FAILED(res)) return res;
|
|
res = GetNodeLocation(node, address_of(tmp), &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
// create br
|
|
res = CreateNode(brType, tmp, offset, getter_AddRefs(brNode));
|
|
if (NS_FAILED(res)) return res;
|
|
*aInOutParent = tmp;
|
|
*aInOutOffset = offset+1;
|
|
}
|
|
else
|
|
{
|
|
res = CreateNode(brType, node, theOffset, getter_AddRefs(brNode));
|
|
if (NS_FAILED(res)) return res;
|
|
(*aInOutOffset)++;
|
|
}
|
|
|
|
*outBRNode = brNode;
|
|
if (*outBRNode && (aSelect != eNone))
|
|
{
|
|
nsCOMPtr<nsISelection> selection;
|
|
nsCOMPtr<nsIDOMNode> parent;
|
|
PRInt32 offset;
|
|
res = GetSelection(getter_AddRefs(selection));
|
|
if (NS_FAILED(res)) return res;
|
|
nsCOMPtr<nsISelectionPrivate> selPriv(do_QueryInterface(selection));
|
|
res = GetNodeLocation(*outBRNode, address_of(parent), &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
if (aSelect == eNext)
|
|
{
|
|
// position selection after br
|
|
selPriv->SetInterlinePosition(PR_TRUE);
|
|
res = selection->Collapse(parent, offset+1);
|
|
}
|
|
else if (aSelect == ePrevious)
|
|
{
|
|
// position selection before br
|
|
selPriv->SetInterlinePosition(PR_TRUE);
|
|
res = selection->Collapse(parent, offset);
|
|
}
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP nsHTMLEditor::CreateBR(nsIDOMNode *aNode, PRInt32 aOffset, nsCOMPtr<nsIDOMNode> *outBRNode, EDirection aSelect)
|
|
{
|
|
nsCOMPtr<nsIDOMNode> parent = aNode;
|
|
PRInt32 offset = aOffset;
|
|
return CreateBRImpl(address_of(parent), &offset, outBRNode, aSelect);
|
|
}
|
|
|
|
NS_IMETHODIMP nsHTMLEditor::InsertBR(nsCOMPtr<nsIDOMNode> *outBRNode)
|
|
{
|
|
PRBool bCollapsed;
|
|
nsCOMPtr<nsISelection> selection;
|
|
|
|
if (!outBRNode) return NS_ERROR_NULL_POINTER;
|
|
*outBRNode = nsnull;
|
|
|
|
// calling it text insertion to trigger moz br treatment by rules
|
|
nsAutoRules beginRulesSniffing(this, kOpInsertText, nsIEditor::eNext);
|
|
|
|
nsresult res = GetSelection(getter_AddRefs(selection));
|
|
if (NS_FAILED(res)) return res;
|
|
nsCOMPtr<nsISelectionPrivate> selPriv(do_QueryInterface(selection));
|
|
res = selection->GetIsCollapsed(&bCollapsed);
|
|
if (NS_FAILED(res)) return res;
|
|
if (!bCollapsed)
|
|
{
|
|
res = DeleteSelection(nsIEditor::eNone);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
nsCOMPtr<nsIDOMNode> selNode;
|
|
PRInt32 selOffset;
|
|
res = GetStartNodeAndOffset(selection, address_of(selNode), &selOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
res = CreateBR(selNode, selOffset, outBRNode);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// position selection after br
|
|
res = GetNodeLocation(*outBRNode, address_of(selNode), &selOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
selPriv->SetInterlinePosition(PR_TRUE);
|
|
res = selection->Collapse(selNode, selOffset+1);
|
|
|
|
return res;
|
|
}
|
|
|
|
nsresult
|
|
nsHTMLEditor::GetDOMEventReceiver(nsIDOMEventReceiver **aEventReceiver)
|
|
{
|
|
if (!aEventReceiver)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
*aEventReceiver = 0;
|
|
|
|
nsCOMPtr<nsIDOMElement> rootElement;
|
|
|
|
nsresult result = GetRootElement(getter_AddRefs(rootElement));
|
|
|
|
if (NS_FAILED(result))
|
|
return result;
|
|
|
|
if (!rootElement)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// Now hack to make sure we are not anonymous content.
|
|
// If we are grab the parent of root element for our observer.
|
|
|
|
nsCOMPtr<nsIContent> content = do_QueryInterface(rootElement);
|
|
|
|
if (content)
|
|
{
|
|
nsCOMPtr<nsIContent> parent;
|
|
if (NS_SUCCEEDED(content->GetParent(*getter_AddRefs(parent))) && parent)
|
|
{
|
|
PRInt32 index;
|
|
if (NS_FAILED(parent->IndexOf(content, index)) || index < 0 )
|
|
{
|
|
rootElement = do_QueryInterface(parent); //this will put listener on the form element basically
|
|
result = rootElement->QueryInterface(NS_GET_IID(nsIDOMEventReceiver), (void **)aEventReceiver);
|
|
}
|
|
else
|
|
rootElement = 0; // Let the event receiver work on the document instead of the root element
|
|
}
|
|
}
|
|
else
|
|
rootElement = 0;
|
|
|
|
if (!rootElement && mDocWeak)
|
|
{
|
|
// Don't use getDocument here, because we have no way of knowing if
|
|
// Init() was ever called. So we need to get the document ourselves,
|
|
// if it exists.
|
|
|
|
nsCOMPtr<nsIDOMDocument> domdoc = do_QueryReferent(mDocWeak);
|
|
|
|
if (!domdoc)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
result = domdoc->QueryInterface(NS_GET_IID(nsIDOMEventReceiver), (void **)aEventReceiver);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::CollapseSelectionToStart()
|
|
{
|
|
nsCOMPtr<nsIDOMElement> bodyElement;
|
|
nsresult res = nsEditor::GetRootElement(getter_AddRefs(bodyElement));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!bodyElement) return NS_ERROR_NULL_POINTER;
|
|
nsCOMPtr<nsIDOMNode> bodyNode = do_QueryInterface(bodyElement);
|
|
return CollapseSelectionToDeepestNonTableFirstChild(nsnull, bodyNode);
|
|
}
|
|
|
|
nsresult
|
|
nsHTMLEditor::CollapseSelectionToDeepestNonTableFirstChild(nsISelection *aSelection, nsIDOMNode *aNode)
|
|
{
|
|
if (!aNode) return NS_ERROR_NULL_POINTER;
|
|
nsresult res;
|
|
|
|
nsCOMPtr<nsISelection> selection;
|
|
if (aSelection)
|
|
{
|
|
selection = aSelection;
|
|
} else {
|
|
res = GetSelection(getter_AddRefs(selection));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!selection) return NS_ERROR_FAILURE;
|
|
}
|
|
nsCOMPtr<nsIDOMNode> node = aNode;
|
|
nsCOMPtr<nsIDOMNode> child;
|
|
|
|
do {
|
|
node->GetFirstChild(getter_AddRefs(child));
|
|
|
|
if (child)
|
|
{
|
|
// Stop if we find a table
|
|
// don't want to go into nested tables
|
|
if (nsHTMLEditUtils::IsTable(child)) break;
|
|
// hey, it'g gotta be a container too!
|
|
if (!IsContainer(child)) break;
|
|
node = child;
|
|
}
|
|
}
|
|
while (child);
|
|
|
|
selection->Collapse(node,0);
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
// This is mostly like InsertHTMLWithCharset,
|
|
// but we can't use that because it is selection-based and
|
|
// the rules code won't let us edit under the <head> node
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::ReplaceHeadContentsWithHTML(const nsAString& aSourceToInsert)
|
|
{
|
|
nsAutoRules beginRulesSniffing(this, kOpIgnore, nsIEditor::eNone); // dont do any post processing, rules get confused
|
|
nsCOMPtr<nsISelection> selection;
|
|
nsresult res = GetSelection(getter_AddRefs(selection));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!selection) return NS_ERROR_NULL_POINTER;
|
|
|
|
ForceCompositionEnd();
|
|
|
|
// Do not use nsAutoRules -- rules code won't let us insert in <head>
|
|
// Use the head node as a parent and delete/insert directly
|
|
nsCOMPtr<nsIDOMDocument> doc = do_QueryReferent(mDocWeak);
|
|
if (!doc) return NS_ERROR_NOT_INITIALIZED;
|
|
|
|
nsCOMPtr<nsIDOMNodeList>nodeList;
|
|
res = doc->GetElementsByTagName(NS_LITERAL_STRING("head"), getter_AddRefs(nodeList));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!nodeList) return NS_ERROR_NULL_POINTER;
|
|
|
|
PRUint32 count;
|
|
nodeList->GetLength(&count);
|
|
if (count < 1) return NS_ERROR_FAILURE;
|
|
|
|
nsCOMPtr<nsIDOMNode> headNode;
|
|
res = nodeList->Item(0, getter_AddRefs(headNode));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!headNode) return NS_ERROR_NULL_POINTER;
|
|
|
|
// First, make sure there are no return chars in the source.
|
|
// Bad things happen if you insert returns (instead of dom newlines, \n)
|
|
// into an editor document.
|
|
nsAutoString inputString (aSourceToInsert); // hope this does copy-on-write
|
|
|
|
// Windows linebreaks: Map CRLF to LF:
|
|
inputString.ReplaceSubstring(NS_LITERAL_STRING("\r\n").get(),
|
|
NS_LITERAL_STRING("\n").get());
|
|
|
|
// Mac linebreaks: Map any remaining CR to LF:
|
|
inputString.ReplaceSubstring(NS_LITERAL_STRING("\r").get(),
|
|
NS_LITERAL_STRING("\n").get());
|
|
|
|
nsAutoEditBatch beginBatching(this);
|
|
|
|
res = GetSelection(getter_AddRefs(selection));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!selection) return NS_ERROR_NULL_POINTER;
|
|
|
|
// Get the first range in the selection, for context:
|
|
nsCOMPtr<nsIDOMRange> range;
|
|
res = selection->GetRangeAt(0, getter_AddRefs(range));
|
|
if (NS_FAILED(res))
|
|
return res;
|
|
|
|
nsCOMPtr<nsIDOMNSRange> nsrange (do_QueryInterface(range));
|
|
if (!nsrange)
|
|
return NS_ERROR_NO_INTERFACE;
|
|
nsCOMPtr<nsIDOMDocumentFragment> docfrag;
|
|
res = nsrange->CreateContextualFragment(inputString,
|
|
getter_AddRefs(docfrag));
|
|
|
|
//XXXX BUG 50965: This is not returning the text between <title> ... </title>
|
|
// Special code is needed in JS to handle title anyway, so it really doesn't matter!
|
|
|
|
if (NS_FAILED(res))
|
|
{
|
|
#ifdef DEBUG
|
|
printf("Couldn't create contextual fragment: error was %d\n", res);
|
|
#endif
|
|
return res;
|
|
}
|
|
if (!docfrag) return NS_ERROR_NULL_POINTER;
|
|
|
|
nsCOMPtr<nsIDOMNode> child;
|
|
|
|
// First delete all children in head
|
|
do {
|
|
res = headNode->GetFirstChild(getter_AddRefs(child));
|
|
if (NS_FAILED(res)) return res;
|
|
if (child)
|
|
{
|
|
res = DeleteNode(child);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
} while (child);
|
|
|
|
// Now insert the new nodes
|
|
PRInt32 offsetOfNewNode = 0;
|
|
nsCOMPtr<nsIDOMNode> fragmentAsNode (do_QueryInterface(docfrag));
|
|
|
|
// Loop over the contents of the fragment and move into the document
|
|
do {
|
|
res = fragmentAsNode->GetFirstChild(getter_AddRefs(child));
|
|
if (NS_FAILED(res)) return res;
|
|
if (child)
|
|
{
|
|
res = InsertNode(child, headNode, offsetOfNewNode++);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
} while (child);
|
|
|
|
return res;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::RebuildDocumentFromSource(const nsAString& aSourceString)
|
|
{
|
|
ForceCompositionEnd();
|
|
|
|
nsCOMPtr<nsISelection>selection;
|
|
nsresult res = GetSelection(getter_AddRefs(selection));
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
nsCOMPtr<nsIDOMElement> bodyElement;
|
|
res = GetRootElement(getter_AddRefs(bodyElement));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!bodyElement) return NS_ERROR_NULL_POINTER;
|
|
|
|
// Find where the <body> tag starts.
|
|
// If user mangled that, then abort
|
|
nsReadingIterator<PRUnichar> beginbody;
|
|
nsReadingIterator<PRUnichar> endbody;
|
|
aSourceString.BeginReading(beginbody);
|
|
aSourceString.EndReading(endbody);
|
|
if (!FindInReadable(NS_LITERAL_STRING("<body"),beginbody,endbody))
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsReadingIterator<PRUnichar> beginhead;
|
|
nsReadingIterator<PRUnichar> endhead;
|
|
aSourceString.BeginReading(beginhead);
|
|
aSourceString.EndReading(endhead);
|
|
if (!FindInReadable(NS_LITERAL_STRING("<head"),beginhead,endhead))
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsReadingIterator<PRUnichar> beginclosehead;
|
|
nsReadingIterator<PRUnichar> endclosehead;
|
|
aSourceString.BeginReading(beginclosehead);
|
|
aSourceString.EndReading(endclosehead);
|
|
|
|
// Find the index after "<head>"
|
|
if (!FindInReadable(NS_LITERAL_STRING("</head"),beginclosehead,endclosehead))
|
|
beginclosehead = beginbody;
|
|
// We'll be forgiving and assume head ends before body
|
|
|
|
// Time to change the document
|
|
nsAutoEditBatch beginBatching(this);
|
|
|
|
// Try to replace body contents first
|
|
res = SelectAll();
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
nsReadingIterator<PRUnichar> endtotal;
|
|
aSourceString.EndReading(endtotal);
|
|
|
|
res = LoadHTML(Substring(beginbody,endtotal));
|
|
if (NS_FAILED(res)) return res;
|
|
selection->Collapse(bodyElement, 0);
|
|
|
|
res = ReplaceHeadContentsWithHTML(Substring(beginhead,beginclosehead));
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// Now we must copy attributes user might have edited on the <body> tag
|
|
// because InsertHTML (actually, CreateContextualFragment())
|
|
// will never return a body node in the DOM fragment
|
|
|
|
// We already know where "<body" begins
|
|
nsReadingIterator<PRUnichar> beginclosebody = beginbody;
|
|
nsReadingIterator<PRUnichar> endclosebody;
|
|
aSourceString.EndReading(endclosebody);
|
|
if (!FindInReadable(NS_LITERAL_STRING(">"),beginclosebody,endclosebody))
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsAutoString bodyTag(Substring(beginbody,endclosebody));//<bodyXXXX >
|
|
// Truncate at the end of the body tag
|
|
|
|
// Kludge of the year: fool the parser by replacing "body" with "div" so we get a node
|
|
bodyTag.ReplaceSubstring(NS_LITERAL_STRING("body").get(),
|
|
NS_LITERAL_STRING("div").get());
|
|
|
|
nsCOMPtr<nsIDOMRange> range;
|
|
res = selection->GetRangeAt(0, getter_AddRefs(range));
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
nsCOMPtr<nsIDOMNSRange> nsrange (do_QueryInterface(range));
|
|
if (!nsrange) return NS_ERROR_NO_INTERFACE;
|
|
|
|
nsCOMPtr<nsIDOMDocumentFragment> docfrag;
|
|
res = nsrange->CreateContextualFragment(bodyTag, getter_AddRefs(docfrag));
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
nsCOMPtr<nsIDOMNode> fragmentAsNode (do_QueryInterface(docfrag));
|
|
if (!fragmentAsNode) return NS_ERROR_NULL_POINTER;
|
|
|
|
nsCOMPtr<nsIDOMNode> child;
|
|
res = fragmentAsNode->GetFirstChild(getter_AddRefs(child));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!child) return NS_ERROR_NULL_POINTER;
|
|
|
|
// Copy all attributes from the div child to current body element
|
|
return CloneAttributes(bodyElement, child);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::InsertElementAtSelection(nsIDOMElement* aElement, PRBool aDeleteSelection)
|
|
{
|
|
nsresult res = NS_ERROR_NOT_INITIALIZED;
|
|
|
|
if (!aElement)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
nsCOMPtr<nsIDOMNode> node = do_QueryInterface(aElement);
|
|
|
|
ForceCompositionEnd();
|
|
nsAutoEditBatch beginBatching(this);
|
|
nsAutoRules beginRulesSniffing(this, kOpInsertElement, nsIEditor::eNext);
|
|
|
|
nsCOMPtr<nsISelection>selection;
|
|
res = GetSelection(getter_AddRefs(selection));
|
|
if (NS_FAILED(res) || !selection)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// hand off to the rules system, see if it has anything to say about this
|
|
PRBool cancel, handled;
|
|
nsTextRulesInfo ruleInfo(nsTextEditRules::kInsertElement);
|
|
ruleInfo.insertElement = aElement;
|
|
res = mRules->WillDoAction(selection, &ruleInfo, &cancel, &handled);
|
|
if (cancel || (NS_FAILED(res))) return res;
|
|
|
|
if (!handled)
|
|
{
|
|
if (aDeleteSelection)
|
|
{
|
|
nsCOMPtr<nsIDOMNode> tempNode;
|
|
PRInt32 tempOffset;
|
|
nsresult result = DeleteSelectionAndPrepareToCreateNode(tempNode,tempOffset);
|
|
if (NS_FAILED(result))
|
|
return result;
|
|
}
|
|
|
|
// If deleting, selection will be collapsed.
|
|
// so if not, we collapse it
|
|
if (!aDeleteSelection)
|
|
{
|
|
// Named Anchor is a special case,
|
|
// We collapse to insert element BEFORE the selection
|
|
// For all other tags, we insert AFTER the selection
|
|
if (nsHTMLEditUtils::IsNamedAnchor(node))
|
|
{
|
|
selection->CollapseToStart();
|
|
} else {
|
|
selection->CollapseToEnd();
|
|
}
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMNode> parentSelectedNode;
|
|
PRInt32 offsetForInsert;
|
|
res = selection->GetAnchorNode(getter_AddRefs(parentSelectedNode));
|
|
// XXX: ERROR_HANDLING bad XPCOM usage
|
|
if (NS_SUCCEEDED(res) && NS_SUCCEEDED(selection->GetAnchorOffset(&offsetForInsert)) && parentSelectedNode)
|
|
{
|
|
#ifdef DEBUG_cmanske
|
|
{
|
|
nsAutoString name;
|
|
parentSelectedNode->GetNodeName(name);
|
|
printf("InsertElement: Anchor node of selection: ");
|
|
wprintf(name.get());
|
|
printf(" Offset: %d\n", offsetForInsert);
|
|
}
|
|
#endif
|
|
|
|
res = InsertNodeAtPoint(node, address_of(parentSelectedNode), &offsetForInsert, PR_FALSE);
|
|
NS_ENSURE_SUCCESS(res, res);
|
|
// Set caret after element, but check for special case
|
|
// of inserting table-related elements: set in first cell instead
|
|
if (!SetCaretInTableCell(aElement))
|
|
{
|
|
res = SetCaretAfterElement(aElement);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
// check for inserting a whole table at the end of a block. If so insert a br after it.
|
|
if (nsHTMLEditUtils::IsTable(node))
|
|
{
|
|
PRBool isLast;
|
|
res = IsLastEditableChild(node, &isLast);
|
|
if (NS_FAILED(res)) return res;
|
|
if (isLast)
|
|
{
|
|
nsCOMPtr<nsIDOMNode> brNode;
|
|
res = CreateBR(parentSelectedNode, offsetForInsert+1, address_of(brNode));
|
|
if (NS_FAILED(res)) return res;
|
|
selection->Collapse(parentSelectedNode, offsetForInsert+1);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
res = mRules->DidDoAction(selection, &ruleInfo, res);
|
|
return res;
|
|
}
|
|
|
|
|
|
/*
|
|
InsertNodeAtPoint: attempts to insert aNode into the document, at a point specified by
|
|
{*ioParent,*ioOffset}. Checks with strict dtd to see if containment is allowed. If not
|
|
allowed, will attempt to find a parent in the parent heirarchy of *ioParent that will
|
|
accept aNode as a child. If such a parent is found, will split the document tree from
|
|
{*ioParent,*ioOffset} up to parent, and then insert aNode. ioParent & ioOffset are then
|
|
adjusted to point to the actual location that aNode was inserted at. aNoEmptyNodes
|
|
specifies if the splitting process is allowed to reslt in empty nodes.
|
|
nsIDOMNode *aNode node to insert
|
|
nsCOMPtr<nsIDOMNode> *ioParent insertion parent
|
|
PRInt32 *ioOffset insertion offset
|
|
PRBool aNoEmptyNodes splitting can result in empty nodes?
|
|
*/
|
|
nsresult
|
|
nsHTMLEditor::InsertNodeAtPoint(nsIDOMNode *aNode,
|
|
nsCOMPtr<nsIDOMNode> *ioParent,
|
|
PRInt32 *ioOffset,
|
|
PRBool aNoEmptyNodes)
|
|
{
|
|
NS_ENSURE_TRUE(aNode, NS_ERROR_NULL_POINTER);
|
|
NS_ENSURE_TRUE(ioParent, NS_ERROR_NULL_POINTER);
|
|
NS_ENSURE_TRUE(*ioParent, NS_ERROR_NULL_POINTER);
|
|
NS_ENSURE_TRUE(ioOffset, NS_ERROR_NULL_POINTER);
|
|
|
|
nsresult res = NS_OK;
|
|
nsAutoString tagName;
|
|
aNode->GetNodeName(tagName);
|
|
ToLowerCase(tagName);
|
|
nsCOMPtr<nsIDOMNode> parent = *ioParent;
|
|
nsCOMPtr<nsIDOMNode> topChild = *ioParent;
|
|
nsCOMPtr<nsIDOMNode> tmp;
|
|
PRInt32 offsetOfInsert = *ioOffset;
|
|
|
|
// Search up the parent chain to find a suitable container
|
|
while (!CanContainTag(parent, tagName))
|
|
{
|
|
// If the current parent is a root (body or table element)
|
|
// then go no further - we can't insert
|
|
if (nsTextEditUtils::IsBody(parent) || nsHTMLEditUtils::IsTableElement(parent))
|
|
return NS_ERROR_FAILURE;
|
|
// Get the next parent
|
|
parent->GetParentNode(getter_AddRefs(tmp));
|
|
NS_ENSURE_TRUE(tmp, NS_ERROR_FAILURE);
|
|
topChild = parent;
|
|
parent = tmp;
|
|
}
|
|
if (parent != topChild)
|
|
{
|
|
// we need to split some levels above the original selection parent
|
|
res = SplitNodeDeep(topChild, *ioParent, *ioOffset, &offsetOfInsert, aNoEmptyNodes);
|
|
if (NS_FAILED(res))
|
|
return res;
|
|
*ioParent = parent;
|
|
*ioOffset = offsetOfInsert;
|
|
}
|
|
// Now we can insert the new node
|
|
res = InsertNode(aNode, parent, offsetOfInsert);
|
|
return res;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::SelectElement(nsIDOMElement* aElement)
|
|
{
|
|
nsresult res = NS_ERROR_NULL_POINTER;
|
|
|
|
// Must be sure that element is contained in the document body
|
|
if (IsElementInBody(aElement))
|
|
{
|
|
nsCOMPtr<nsISelection> selection;
|
|
res = GetSelection(getter_AddRefs(selection));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!selection) return NS_ERROR_NULL_POINTER;
|
|
nsCOMPtr<nsIDOMNode>parent;
|
|
res = aElement->GetParentNode(getter_AddRefs(parent));
|
|
if (NS_SUCCEEDED(res) && parent)
|
|
{
|
|
PRInt32 offsetInParent;
|
|
res = GetChildOffset(aElement, parent, offsetInParent);
|
|
|
|
if (NS_SUCCEEDED(res))
|
|
{
|
|
// Collapse selection to just before desired element,
|
|
res = selection->Collapse(parent, offsetInParent);
|
|
if (NS_SUCCEEDED(res)) {
|
|
// then extend it to just after
|
|
res = selection->Extend(parent, offsetInParent+1);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::SetCaretAfterElement(nsIDOMElement* aElement)
|
|
{
|
|
nsresult res = NS_ERROR_NULL_POINTER;
|
|
|
|
// Be sure the element is contained in the document body
|
|
if (aElement && IsElementInBody(aElement))
|
|
{
|
|
nsCOMPtr<nsISelection> selection;
|
|
res = GetSelection(getter_AddRefs(selection));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!selection) return NS_ERROR_NULL_POINTER;
|
|
nsCOMPtr<nsIDOMNode>parent;
|
|
res = aElement->GetParentNode(getter_AddRefs(parent));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!parent) return NS_ERROR_NULL_POINTER;
|
|
PRInt32 offsetInParent;
|
|
res = GetChildOffset(aElement, parent, offsetInParent);
|
|
if (NS_SUCCEEDED(res))
|
|
{
|
|
// Collapse selection to just after desired element,
|
|
res = selection->Collapse(parent, offsetInParent+1);
|
|
#if 0 //def DEBUG_cmanske
|
|
{
|
|
nsAutoString name;
|
|
parent->GetNodeName(name);
|
|
printf("SetCaretAfterElement: Parent node: ");
|
|
wprintf(name.get());
|
|
printf(" Offset: %d\n\nHTML:\n", offsetInParent+1);
|
|
nsAutoString Format("text/html");
|
|
nsAutoString ContentsAs;
|
|
OutputToString(Format, 2, ContentsAs);
|
|
wprintf(ContentsAs.get());
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::SetParagraphFormat(const nsAString& aParagraphFormat)
|
|
{
|
|
nsAutoString tag; tag.Assign(aParagraphFormat);
|
|
ToLowerCase(tag);
|
|
if (tag.Equals(NS_LITERAL_STRING("dd")) || tag.Equals(NS_LITERAL_STRING("dt")))
|
|
return MakeDefinitionItem(tag);
|
|
else
|
|
return InsertBasicBlock(tag);
|
|
}
|
|
|
|
// XXX: ERROR_HANDLING -- this method needs a little work to ensure all error codes are
|
|
// checked properly, all null pointers are checked, and no memory leaks occur
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::GetParentBlockTags(nsStringArray *aTagList, PRBool aGetLists)
|
|
{
|
|
if (!aTagList) { return NS_ERROR_NULL_POINTER; }
|
|
|
|
nsresult res;
|
|
nsCOMPtr<nsISelection>selection;
|
|
res = GetSelection(getter_AddRefs(selection));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!selection) return NS_ERROR_NULL_POINTER;
|
|
nsCOMPtr<nsISelectionPrivate> selPriv(do_QueryInterface(selection));
|
|
|
|
// Find out if the selection is collapsed:
|
|
PRBool isCollapsed;
|
|
res = selection->GetIsCollapsed(&isCollapsed);
|
|
if (NS_FAILED(res)) return res;
|
|
if (isCollapsed)
|
|
{
|
|
nsCOMPtr<nsIDOMNode> node, blockParent;
|
|
PRInt32 offset;
|
|
|
|
res = GetStartNodeAndOffset(selection, address_of(node), &offset);
|
|
if (!node) res = NS_ERROR_FAILURE;
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
nsCOMPtr<nsIDOMElement> blockParentElem;
|
|
if (aGetLists)
|
|
{
|
|
// Get the "ol", "ul", or "dl" parent element
|
|
res = GetElementOrParentByTagName(NS_LITERAL_STRING("list"), node, getter_AddRefs(blockParentElem));
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
else
|
|
{
|
|
PRBool isBlock (PR_FALSE);
|
|
NodeIsBlock(node, &isBlock);
|
|
if (isBlock) blockParent = node;
|
|
else blockParent = GetBlockNodeParent(node);
|
|
blockParentElem = do_QueryInterface(blockParent);
|
|
}
|
|
if (blockParentElem)
|
|
{
|
|
nsAutoString blockParentTag;
|
|
blockParentElem->GetTagName(blockParentTag);
|
|
aTagList->AppendString(blockParentTag);
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
// else non-collapsed selection
|
|
nsCOMPtr<nsIEnumerator> enumerator;
|
|
res = selPriv->GetEnumerator(getter_AddRefs(enumerator));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!enumerator) return NS_ERROR_NULL_POINTER;
|
|
|
|
enumerator->First();
|
|
nsCOMPtr<nsISupports> currentItem;
|
|
res = enumerator->CurrentItem(getter_AddRefs(currentItem));
|
|
if (NS_FAILED(res)) return res;
|
|
//XXX: should be while loop?
|
|
if (currentItem)
|
|
{
|
|
nsCOMPtr<nsIDOMRange> range( do_QueryInterface(currentItem) );
|
|
// scan the range for all the independent block content blockSections
|
|
// and get the block parent of each
|
|
nsISupportsArray *blockSections;
|
|
res = NS_NewISupportsArray(&blockSections);
|
|
if (NS_FAILED(res)) return res;
|
|
if (!blockSections) return NS_ERROR_NULL_POINTER;
|
|
res = GetBlockSectionsForRange(range, blockSections);
|
|
if (NS_SUCCEEDED(res))
|
|
{
|
|
nsIDOMRange *subRange;
|
|
subRange = (nsIDOMRange *)(blockSections->ElementAt(0));
|
|
while (subRange)
|
|
{
|
|
nsCOMPtr<nsIDOMNode>startParent;
|
|
res = subRange->GetStartContainer(getter_AddRefs(startParent));
|
|
if (NS_SUCCEEDED(res) && startParent)
|
|
{
|
|
nsCOMPtr<nsIDOMElement> blockParent;
|
|
if (aGetLists)
|
|
{
|
|
// Get the "ol", "ul", or "dl" parent element
|
|
res = GetElementOrParentByTagName(NS_LITERAL_STRING("list"), startParent, getter_AddRefs(blockParent));
|
|
}
|
|
else
|
|
{
|
|
blockParent = do_QueryInterface(GetBlockNodeParent(startParent));
|
|
}
|
|
if (NS_SUCCEEDED(res) && blockParent)
|
|
{
|
|
nsAutoString blockParentTag;
|
|
blockParent->GetTagName(blockParentTag);
|
|
PRBool isRoot;
|
|
IsRootTag(blockParentTag, isRoot);
|
|
if ((!isRoot) && (-1==aTagList->IndexOf(blockParentTag))) {
|
|
aTagList->AppendString(blockParentTag);
|
|
}
|
|
}
|
|
}
|
|
NS_RELEASE(subRange);
|
|
if (NS_FAILED(res))
|
|
break; // don't return here, need to release blockSections
|
|
blockSections->RemoveElementAt(0);
|
|
subRange = (nsIDOMRange *)(blockSections->ElementAt(0));
|
|
}
|
|
}
|
|
NS_RELEASE(blockSections);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::GetParagraphState(PRBool *aMixed, nsAString &outFormat)
|
|
{
|
|
if (!mRules) { return NS_ERROR_NOT_INITIALIZED; }
|
|
if (!aMixed) return NS_ERROR_NULL_POINTER;
|
|
nsCOMPtr<nsIHTMLEditRules> htmlRules = do_QueryInterface(mRules);
|
|
if (!htmlRules) return NS_ERROR_FAILURE;
|
|
|
|
return htmlRules->GetParagraphState(aMixed, outFormat);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::GetBackgroundColorState(PRBool *aMixed, nsAString &aOutColor)
|
|
{
|
|
nsresult res;
|
|
PRBool useCSS;
|
|
GetIsCSSEnabled(&useCSS);
|
|
if (useCSS) {
|
|
// if we are in CSS mode, we have to check if the containing block defines
|
|
// a background color
|
|
res = GetCSSBackgroundColorState(aMixed, aOutColor, PR_TRUE);
|
|
}
|
|
else {
|
|
// in HTML mode, we look only at page's background
|
|
res = GetHTMLBackgroundColorState(aMixed, aOutColor);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::GetHighlightColorState(PRBool *aMixed, nsAString &aOutColor)
|
|
{
|
|
nsresult res = NS_OK;
|
|
PRBool useCSS;
|
|
GetIsCSSEnabled(&useCSS);
|
|
*aMixed = PR_FALSE;
|
|
aOutColor.Assign(NS_LITERAL_STRING("transparent"));
|
|
if (useCSS) {
|
|
// in CSS mode, text background can be added by the Text Highlight button
|
|
// we need to query the background of the selection without looking for
|
|
// the block container of the ranges in the selection
|
|
res = GetCSSBackgroundColorState(aMixed, aOutColor, PR_FALSE);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::GetHighlightColor(PRBool *aMixed, PRUnichar **_retval)
|
|
{
|
|
if (!aMixed || !_retval) return NS_ERROR_NULL_POINTER;
|
|
nsAutoString outColorString(NS_LITERAL_STRING("transparent"));
|
|
*aMixed = PR_FALSE;
|
|
|
|
nsresult err = NS_NOINTERFACE;
|
|
err = GetHighlightColorState(aMixed, outColorString);
|
|
*_retval = ToNewUnicode(outColorString);
|
|
return err;
|
|
}
|
|
|
|
|
|
nsresult
|
|
nsHTMLEditor::GetCSSBackgroundColorState(PRBool *aMixed, nsAString &aOutColor, PRBool aBlockLevel)
|
|
{
|
|
if (!aMixed) return NS_ERROR_NULL_POINTER;
|
|
*aMixed = PR_FALSE;
|
|
// the default background color is transparent
|
|
aOutColor.Assign(NS_LITERAL_STRING("transparent"));
|
|
|
|
// get selection
|
|
nsCOMPtr<nsISelection>selection;
|
|
nsresult res = GetSelection(getter_AddRefs(selection));
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// get selection location
|
|
nsCOMPtr<nsIDOMNode> parent;
|
|
PRInt32 offset;
|
|
res = GetStartNodeAndOffset(selection, address_of(parent), &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// is the selection collapsed?
|
|
PRBool bCollapsed;
|
|
res = selection->GetIsCollapsed(&bCollapsed);
|
|
if (NS_FAILED(res)) return res;
|
|
nsCOMPtr<nsIDOMNode> nodeToExamine;
|
|
if (bCollapsed || IsTextNode(parent))
|
|
{
|
|
// we want to look at the parent and ancestors
|
|
nodeToExamine = parent;
|
|
}
|
|
else
|
|
{
|
|
// otherwise we want to look at the first editable node after
|
|
// {parent,offset} and it's ancestors for divs with alignment on them
|
|
nodeToExamine = GetChildAt(parent, offset);
|
|
//GetNextNode(parent, offset, PR_TRUE, address_of(nodeToExamine));
|
|
}
|
|
|
|
if (!nodeToExamine) return NS_ERROR_NULL_POINTER;
|
|
|
|
// is the node to examine a block ?
|
|
PRBool isBlock;
|
|
res = NodeIsBlockStatic(nodeToExamine, &isBlock);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
nsCOMPtr<nsIDOMHTMLHtmlElement> htmlElement;
|
|
nsCOMPtr<nsIDOMNode> tmp;
|
|
|
|
if (aBlockLevel) {
|
|
// we are querying the block background (and not the text background), let's
|
|
// climb to the block container
|
|
nsCOMPtr<nsIDOMNode> blockParent = nodeToExamine;
|
|
if (!isBlock) {
|
|
blockParent = GetBlockNodeParent(nodeToExamine);
|
|
}
|
|
do {
|
|
// retrieve the computed style of background-color for blockParent
|
|
mHTMLCSSUtils->GetComputedProperty(blockParent, nsIEditProperty::cssBackgroundColor,
|
|
aOutColor);
|
|
tmp = blockParent;
|
|
res = tmp->GetParentNode(getter_AddRefs(blockParent));
|
|
htmlElement = do_QueryInterface(tmp);
|
|
// look at parent if the queried color is transparent and if the node to
|
|
// examine is not the root of the document
|
|
} while ( aOutColor.Equals(NS_LITERAL_STRING("transparent")) && !htmlElement );
|
|
if (htmlElement && aOutColor.Equals(NS_LITERAL_STRING("transparent"))) {
|
|
// we have hit the root of the document and the color is still transparent !
|
|
// Grumble... Let's look at the default background color because that's the
|
|
// color we are looking for
|
|
mHTMLCSSUtils->GetDefaultBackgroundColor(aOutColor);
|
|
}
|
|
}
|
|
else {
|
|
// no, we are querying the text background for the Text Highlight button
|
|
if (IsTextNode(nodeToExamine)) {
|
|
// if the node of interest is a text node, let's climb a level
|
|
res = nodeToExamine->GetParentNode(getter_AddRefs(parent));
|
|
if (NS_FAILED(res)) return res;
|
|
nodeToExamine = parent;
|
|
}
|
|
do {
|
|
// is the node to examine a block ?
|
|
res = NodeIsBlockStatic(nodeToExamine, &isBlock);
|
|
if (NS_FAILED(res)) return res;
|
|
if (isBlock) {
|
|
// yes it is a block; in that case, the text background color is transparent
|
|
aOutColor.Assign(NS_LITERAL_STRING("transparent"));
|
|
break;
|
|
}
|
|
else {
|
|
// no, it's not; let's retrieve the computed style of background-color for the
|
|
// node to examine
|
|
mHTMLCSSUtils->GetComputedProperty(nodeToExamine, nsIEditProperty::cssBackgroundColor,
|
|
aOutColor);
|
|
if (!aOutColor.Equals(NS_LITERAL_STRING("transparent"))) {
|
|
break;
|
|
}
|
|
}
|
|
res = nodeToExamine->GetParentNode(getter_AddRefs(tmp));
|
|
if (NS_FAILED(res)) return res;
|
|
nodeToExamine = tmp;
|
|
htmlElement = do_QueryInterface(tmp);
|
|
} while ( aOutColor.Equals(NS_LITERAL_STRING("transparent")) && !htmlElement );
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::GetHTMLBackgroundColorState(PRBool *aMixed, nsAString &aOutColor)
|
|
{
|
|
//TODO: We don't handle "mixed" correctly!
|
|
if (!aMixed) return NS_ERROR_NULL_POINTER;
|
|
*aMixed = PR_FALSE;
|
|
aOutColor.Assign(NS_LITERAL_STRING(""));
|
|
|
|
nsCOMPtr<nsIDOMElement> element;
|
|
PRInt32 selectedCount;
|
|
nsAutoString tagName;
|
|
nsresult res = GetSelectedOrParentTableElement(getter_AddRefs(element),
|
|
tagName,
|
|
&selectedCount);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
NS_NAMED_LITERAL_STRING(styleName, "bgcolor");
|
|
|
|
while (element)
|
|
{
|
|
// We are in a cell or selected table
|
|
res = element->GetAttribute(styleName, aOutColor);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// Done if we have a color explicitly set
|
|
if (aOutColor.Length() > 0)
|
|
return NS_OK;
|
|
|
|
// Once we hit the body, we're done
|
|
if(nsTextEditUtils::IsBody(element)) return NS_OK;
|
|
|
|
// No color is set, but we need to report visible color inherited
|
|
// from nested cells/tables, so search up parent chain
|
|
nsCOMPtr<nsIDOMNode> parentNode;
|
|
res = element->GetParentNode(getter_AddRefs(parentNode));
|
|
if (NS_FAILED(res)) return res;
|
|
element = do_QueryInterface(parentNode);
|
|
}
|
|
|
|
// If no table or cell found, get page body
|
|
res = nsEditor::GetRootElement(getter_AddRefs(element));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!element) return NS_ERROR_NULL_POINTER;
|
|
|
|
return element->GetAttribute(styleName, aOutColor);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::GetListState(PRBool *aMixed, PRBool *aOL, PRBool *aUL, PRBool *aDL)
|
|
{
|
|
if (!mRules) { return NS_ERROR_NOT_INITIALIZED; }
|
|
if (!aMixed || !aOL || !aUL || !aDL) return NS_ERROR_NULL_POINTER;
|
|
nsCOMPtr<nsIHTMLEditRules> htmlRules = do_QueryInterface(mRules);
|
|
if (!htmlRules) return NS_ERROR_FAILURE;
|
|
|
|
return htmlRules->GetListState(aMixed, aOL, aUL, aDL);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::GetListItemState(PRBool *aMixed, PRBool *aLI, PRBool *aDT, PRBool *aDD)
|
|
{
|
|
if (!mRules) { return NS_ERROR_NOT_INITIALIZED; }
|
|
if (!aMixed || !aLI || !aDT || !aDD) return NS_ERROR_NULL_POINTER;
|
|
|
|
nsCOMPtr<nsIHTMLEditRules> htmlRules = do_QueryInterface(mRules);
|
|
if (!htmlRules) return NS_ERROR_FAILURE;
|
|
|
|
return htmlRules->GetListItemState(aMixed, aLI, aDT, aDD);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::GetAlignment(PRBool *aMixed, nsIHTMLEditor::EAlignment *aAlign)
|
|
{
|
|
if (!mRules) { return NS_ERROR_NOT_INITIALIZED; }
|
|
if (!aMixed || !aAlign) return NS_ERROR_NULL_POINTER;
|
|
nsCOMPtr<nsIHTMLEditRules> htmlRules = do_QueryInterface(mRules);
|
|
if (!htmlRules) return NS_ERROR_FAILURE;
|
|
|
|
return htmlRules->GetAlignment(aMixed, aAlign);
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::GetIndentState(PRBool *aCanIndent, PRBool *aCanOutdent)
|
|
{
|
|
if (!mRules) { return NS_ERROR_NOT_INITIALIZED; }
|
|
if (!aCanIndent || !aCanOutdent) return NS_ERROR_NULL_POINTER;
|
|
|
|
nsCOMPtr<nsIHTMLEditRules> htmlRules = do_QueryInterface(mRules);
|
|
if (!htmlRules) return NS_ERROR_FAILURE;
|
|
|
|
return htmlRules->GetIndentState(aCanIndent, aCanOutdent);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::MakeOrChangeList(const nsAString& aListType, PRBool entireList, const nsAString& aBulletType)
|
|
{
|
|
nsresult res;
|
|
if (!mRules) { return NS_ERROR_NOT_INITIALIZED; }
|
|
|
|
nsCOMPtr<nsISelection> selection;
|
|
PRBool cancel, handled;
|
|
|
|
nsAutoEditBatch beginBatching(this);
|
|
nsAutoRules beginRulesSniffing(this, kOpMakeList, nsIEditor::eNext);
|
|
|
|
// pre-process
|
|
res = GetSelection(getter_AddRefs(selection));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!selection) return NS_ERROR_NULL_POINTER;
|
|
|
|
nsTextRulesInfo ruleInfo(nsTextEditRules::kMakeList);
|
|
ruleInfo.blockType = &aListType;
|
|
ruleInfo.entireList = entireList;
|
|
ruleInfo.bulletType = &aBulletType;
|
|
res = mRules->WillDoAction(selection, &ruleInfo, &cancel, &handled);
|
|
if (cancel || (NS_FAILED(res))) return res;
|
|
|
|
if (!handled)
|
|
{
|
|
// Find out if the selection is collapsed:
|
|
PRBool isCollapsed;
|
|
res = selection->GetIsCollapsed(&isCollapsed);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
nsCOMPtr<nsIDOMNode> node;
|
|
PRInt32 offset;
|
|
|
|
res = GetStartNodeAndOffset(selection, address_of(node), &offset);
|
|
if (!node) res = NS_ERROR_FAILURE;
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
if (isCollapsed)
|
|
{
|
|
// have to find a place to put the list
|
|
nsCOMPtr<nsIDOMNode> parent = node;
|
|
nsCOMPtr<nsIDOMNode> topChild = node;
|
|
nsCOMPtr<nsIDOMNode> tmp;
|
|
|
|
while ( !CanContainTag(parent, aListType))
|
|
{
|
|
parent->GetParentNode(getter_AddRefs(tmp));
|
|
if (!tmp) return NS_ERROR_FAILURE;
|
|
topChild = parent;
|
|
parent = tmp;
|
|
}
|
|
|
|
if (parent != node)
|
|
{
|
|
// we need to split up to the child of parent
|
|
res = SplitNodeDeep(topChild, node, offset, &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
|
|
// make a list
|
|
nsCOMPtr<nsIDOMNode> newList;
|
|
res = CreateNode(aListType, parent, offset, getter_AddRefs(newList));
|
|
if (NS_FAILED(res)) return res;
|
|
// make a list item
|
|
nsCOMPtr<nsIDOMNode> newItem;
|
|
res = CreateNode(NS_LITERAL_STRING("li"), newList, 0, getter_AddRefs(newItem));
|
|
if (NS_FAILED(res)) return res;
|
|
res = selection->Collapse(newItem,0);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
}
|
|
|
|
res = mRules->DidDoAction(selection, &ruleInfo, res);
|
|
return res;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::RemoveList(const nsAString& aListType)
|
|
{
|
|
nsresult res;
|
|
if (!mRules) { return NS_ERROR_NOT_INITIALIZED; }
|
|
|
|
nsCOMPtr<nsISelection> selection;
|
|
PRBool cancel, handled;
|
|
|
|
nsAutoEditBatch beginBatching(this);
|
|
nsAutoRules beginRulesSniffing(this, kOpRemoveList, nsIEditor::eNext);
|
|
|
|
// pre-process
|
|
res = GetSelection(getter_AddRefs(selection));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!selection) return NS_ERROR_NULL_POINTER;
|
|
|
|
nsTextRulesInfo ruleInfo(nsTextEditRules::kRemoveList);
|
|
if (aListType.Equals(NS_LITERAL_STRING("ol"),nsCaseInsensitiveStringComparator()))
|
|
ruleInfo.bOrdered = PR_TRUE;
|
|
else ruleInfo.bOrdered = PR_FALSE;
|
|
res = mRules->WillDoAction(selection, &ruleInfo, &cancel, &handled);
|
|
if (cancel || (NS_FAILED(res))) return res;
|
|
|
|
// no default behavior for this yet. what would it mean?
|
|
|
|
res = mRules->DidDoAction(selection, &ruleInfo, res);
|
|
return res;
|
|
}
|
|
|
|
nsresult
|
|
nsHTMLEditor::MakeDefinitionItem(const nsAString& aItemType)
|
|
{
|
|
nsresult res;
|
|
if (!mRules) { return NS_ERROR_NOT_INITIALIZED; }
|
|
|
|
nsCOMPtr<nsISelection> selection;
|
|
PRBool cancel, handled;
|
|
|
|
nsAutoEditBatch beginBatching(this);
|
|
nsAutoRules beginRulesSniffing(this, kOpMakeDefListItem, nsIEditor::eNext);
|
|
|
|
// pre-process
|
|
res = GetSelection(getter_AddRefs(selection));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!selection) return NS_ERROR_NULL_POINTER;
|
|
nsTextRulesInfo ruleInfo(nsTextEditRules::kMakeDefListItem);
|
|
ruleInfo.blockType = &aItemType;
|
|
res = mRules->WillDoAction(selection, &ruleInfo, &cancel, &handled);
|
|
if (cancel || (NS_FAILED(res))) return res;
|
|
|
|
if (!handled)
|
|
{
|
|
// todo: no default for now. we count on rules to handle it.
|
|
}
|
|
|
|
res = mRules->DidDoAction(selection, &ruleInfo, res);
|
|
return res;
|
|
}
|
|
|
|
nsresult
|
|
nsHTMLEditor::InsertBasicBlock(const nsAString& aBlockType)
|
|
{
|
|
nsresult res;
|
|
if (!mRules) { return NS_ERROR_NOT_INITIALIZED; }
|
|
|
|
nsCOMPtr<nsISelection> selection;
|
|
PRBool cancel, handled;
|
|
|
|
nsAutoEditBatch beginBatching(this);
|
|
nsAutoRules beginRulesSniffing(this, kOpMakeBasicBlock, nsIEditor::eNext);
|
|
|
|
// pre-process
|
|
res = GetSelection(getter_AddRefs(selection));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!selection) return NS_ERROR_NULL_POINTER;
|
|
nsTextRulesInfo ruleInfo(nsTextEditRules::kMakeBasicBlock);
|
|
ruleInfo.blockType = &aBlockType;
|
|
res = mRules->WillDoAction(selection, &ruleInfo, &cancel, &handled);
|
|
if (cancel || (NS_FAILED(res))) return res;
|
|
|
|
if (!handled)
|
|
{
|
|
// Find out if the selection is collapsed:
|
|
PRBool isCollapsed;
|
|
res = selection->GetIsCollapsed(&isCollapsed);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
nsCOMPtr<nsIDOMNode> node;
|
|
PRInt32 offset;
|
|
|
|
res = GetStartNodeAndOffset(selection, address_of(node), &offset);
|
|
if (!node) res = NS_ERROR_FAILURE;
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
if (isCollapsed)
|
|
{
|
|
// have to find a place to put the block
|
|
nsCOMPtr<nsIDOMNode> parent = node;
|
|
nsCOMPtr<nsIDOMNode> topChild = node;
|
|
nsCOMPtr<nsIDOMNode> tmp;
|
|
|
|
while ( !CanContainTag(parent, aBlockType))
|
|
{
|
|
parent->GetParentNode(getter_AddRefs(tmp));
|
|
if (!tmp) return NS_ERROR_FAILURE;
|
|
topChild = parent;
|
|
parent = tmp;
|
|
}
|
|
|
|
if (parent != node)
|
|
{
|
|
// we need to split up to the child of parent
|
|
res = SplitNodeDeep(topChild, node, offset, &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
|
|
// make a block
|
|
nsCOMPtr<nsIDOMNode> newBlock;
|
|
res = CreateNode(aBlockType, parent, offset, getter_AddRefs(newBlock));
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// reposition selection to inside the block
|
|
res = selection->Collapse(newBlock,0);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
}
|
|
|
|
res = mRules->DidDoAction(selection, &ruleInfo, res);
|
|
return res;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::Indent(const nsAString& aIndent)
|
|
{
|
|
nsresult res;
|
|
if (!mRules) { return NS_ERROR_NOT_INITIALIZED; }
|
|
|
|
PRBool cancel, handled;
|
|
PRInt32 theAction = nsTextEditRules::kIndent;
|
|
PRInt32 opID = kOpIndent;
|
|
if (aIndent.Equals(NS_LITERAL_STRING("outdent"),nsCaseInsensitiveStringComparator()))
|
|
{
|
|
theAction = nsTextEditRules::kOutdent;
|
|
opID = kOpOutdent;
|
|
}
|
|
nsAutoEditBatch beginBatching(this);
|
|
nsAutoRules beginRulesSniffing(this, opID, nsIEditor::eNext);
|
|
|
|
// pre-process
|
|
nsCOMPtr<nsISelection> selection;
|
|
res = GetSelection(getter_AddRefs(selection));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!selection) return NS_ERROR_NULL_POINTER;
|
|
|
|
nsTextRulesInfo ruleInfo(theAction);
|
|
res = mRules->WillDoAction(selection, &ruleInfo, &cancel, &handled);
|
|
if (cancel || (NS_FAILED(res))) return res;
|
|
|
|
if (!handled)
|
|
{
|
|
// Do default - insert a blockquote node if selection collapsed
|
|
nsCOMPtr<nsIDOMNode> node;
|
|
PRInt32 offset;
|
|
PRBool isCollapsed;
|
|
res = selection->GetIsCollapsed(&isCollapsed);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
res = GetStartNodeAndOffset(selection, address_of(node), &offset);
|
|
if (!node) res = NS_ERROR_FAILURE;
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
if (aIndent == NS_LITERAL_STRING("indent"))
|
|
{
|
|
if (isCollapsed)
|
|
{
|
|
// have to find a place to put the blockquote
|
|
nsCOMPtr<nsIDOMNode> parent = node;
|
|
nsCOMPtr<nsIDOMNode> topChild = node;
|
|
nsCOMPtr<nsIDOMNode> tmp;
|
|
NS_NAMED_LITERAL_STRING(bq, "blockquote");
|
|
while ( !CanContainTag(parent, bq))
|
|
{
|
|
parent->GetParentNode(getter_AddRefs(tmp));
|
|
if (!tmp) return NS_ERROR_FAILURE;
|
|
topChild = parent;
|
|
parent = tmp;
|
|
}
|
|
|
|
if (parent != node)
|
|
{
|
|
// we need to split up to the child of parent
|
|
res = SplitNodeDeep(topChild, node, offset, &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
|
|
// make a blockquote
|
|
nsCOMPtr<nsIDOMNode> newBQ;
|
|
res = CreateNode(bq, parent, offset, getter_AddRefs(newBQ));
|
|
if (NS_FAILED(res)) return res;
|
|
// put a space in it so layout will draw the list item
|
|
res = selection->Collapse(newBQ,0);
|
|
if (NS_FAILED(res)) return res;
|
|
res = InsertText(NS_LITERAL_STRING(" "));
|
|
if (NS_FAILED(res)) return res;
|
|
// reposition selection to before the space character
|
|
res = GetStartNodeAndOffset(selection, address_of(node), &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
res = selection->Collapse(node,0);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
}
|
|
}
|
|
res = mRules->DidDoAction(selection, &ruleInfo, res);
|
|
return res;
|
|
}
|
|
|
|
//TODO: IMPLEMENT ALIGNMENT!
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::Align(const nsAString& aAlignType)
|
|
{
|
|
nsAutoEditBatch beginBatching(this);
|
|
nsAutoRules beginRulesSniffing(this, kOpAlign, nsIEditor::eNext);
|
|
|
|
nsCOMPtr<nsIDOMNode> node;
|
|
PRBool cancel, handled;
|
|
|
|
// Find out if the selection is collapsed:
|
|
nsCOMPtr<nsISelection> selection;
|
|
nsresult res = GetSelection(getter_AddRefs(selection));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!selection) return NS_ERROR_NULL_POINTER;
|
|
nsTextRulesInfo ruleInfo(nsTextEditRules::kAlign);
|
|
ruleInfo.alignType = &aAlignType;
|
|
res = mRules->WillDoAction(selection, &ruleInfo, &cancel, &handled);
|
|
if (cancel || NS_FAILED(res))
|
|
return res;
|
|
|
|
res = mRules->DidDoAction(selection, &ruleInfo, res);
|
|
return res;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::GetElementOrParentByTagName(const nsAString& aTagName, nsIDOMNode *aNode, nsIDOMElement** aReturn)
|
|
{
|
|
if (aTagName.Length() == 0 || !aReturn )
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
nsresult res = NS_OK;
|
|
nsCOMPtr<nsIDOMNode> currentNode;
|
|
|
|
if (aNode)
|
|
currentNode = aNode;
|
|
else
|
|
{
|
|
// If no node supplied, get it from anchor node of current selection
|
|
nsCOMPtr<nsISelection>selection;
|
|
res = GetSelection(getter_AddRefs(selection));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!selection) return NS_ERROR_NULL_POINTER;
|
|
|
|
nsCOMPtr<nsIDOMNode> anchorNode;
|
|
res = selection->GetAnchorNode(getter_AddRefs(anchorNode));
|
|
if(NS_FAILED(res)) return res;
|
|
if (!anchorNode) return NS_ERROR_FAILURE;
|
|
|
|
// Try to get the actual selected node
|
|
PRBool hasChildren = PR_FALSE;
|
|
anchorNode->HasChildNodes(&hasChildren);
|
|
if (hasChildren)
|
|
{
|
|
PRInt32 offset;
|
|
res = selection->GetAnchorOffset(&offset);
|
|
if(NS_FAILED(res)) return res;
|
|
currentNode = nsEditor::GetChildAt(anchorNode, offset);
|
|
}
|
|
// anchor node is probably a text node - just use that
|
|
if (!currentNode)
|
|
currentNode = anchorNode;
|
|
}
|
|
|
|
nsAutoString TagName(aTagName);
|
|
ToLowerCase(TagName);
|
|
PRBool getLink = IsLinkTag(TagName);
|
|
PRBool getNamedAnchor = IsNamedAnchorTag(TagName);
|
|
if ( getLink || getNamedAnchor)
|
|
{
|
|
TagName.Assign(NS_LITERAL_STRING("a"));
|
|
}
|
|
PRBool findTableCell = TagName.Equals(NS_LITERAL_STRING("td"));
|
|
PRBool findList = TagName.Equals(NS_LITERAL_STRING("list"));
|
|
|
|
// default is null - no element found
|
|
*aReturn = nsnull;
|
|
|
|
nsCOMPtr<nsIDOMNode> parent;
|
|
PRBool bNodeFound = PR_FALSE;
|
|
|
|
while (PR_TRUE)
|
|
{
|
|
nsAutoString currentTagName;
|
|
// Test if we have a link (an anchor with href set)
|
|
if ( (getLink && nsHTMLEditUtils::IsLink(currentNode)) ||
|
|
(getNamedAnchor && nsHTMLEditUtils::IsNamedAnchor(currentNode)) )
|
|
{
|
|
bNodeFound = PR_TRUE;
|
|
break;
|
|
} else {
|
|
if (findList)
|
|
{
|
|
// Match "ol", "ul", or "dl" for lists
|
|
if (nsHTMLEditUtils::IsList(currentNode))
|
|
goto NODE_FOUND;
|
|
|
|
} else if (findTableCell)
|
|
{
|
|
// Table cells are another special case:
|
|
// Match either "td" or "th" for them
|
|
if (nsHTMLEditUtils::IsTableCell(currentNode))
|
|
goto NODE_FOUND;
|
|
|
|
} else {
|
|
currentNode->GetNodeName(currentTagName);
|
|
if (currentTagName.Equals(TagName, nsCaseInsensitiveStringComparator()))
|
|
{
|
|
NODE_FOUND:
|
|
bNodeFound = PR_TRUE;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
// Search up the parent chain
|
|
// We should never fail because of root test below, but lets be safe
|
|
// XXX: ERROR_HANDLING error return code lost
|
|
if (NS_FAILED(currentNode->GetParentNode(getter_AddRefs(parent))) || !parent)
|
|
break;
|
|
|
|
// Stop searching if parent is a body tag
|
|
nsAutoString parentTagName;
|
|
parent->GetNodeName(parentTagName);
|
|
// Note: Originally used IsRoot to stop at table cells,
|
|
// but that's too messy when you are trying to find the parent table
|
|
//PRBool isRoot;
|
|
//if (NS_FAILED(IsRootTag(parentTagName, isRoot)) || isRoot)
|
|
if(parentTagName.EqualsIgnoreCase("body"))
|
|
break;
|
|
|
|
currentNode = parent;
|
|
}
|
|
if (bNodeFound)
|
|
{
|
|
nsCOMPtr<nsIDOMElement> currentElement = do_QueryInterface(currentNode);
|
|
if (currentElement)
|
|
{
|
|
*aReturn = currentElement;
|
|
// Getters must addref
|
|
NS_ADDREF(*aReturn);
|
|
}
|
|
}
|
|
else res = NS_EDITOR_ELEMENT_NOT_FOUND;
|
|
|
|
return res;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::GetSelectedElement(const nsAString& aTagName, nsIDOMElement** aReturn)
|
|
{
|
|
if (!aReturn )
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
// default is null - no element found
|
|
*aReturn = nsnull;
|
|
|
|
// First look for a single element in selection
|
|
nsCOMPtr<nsISelection>selection;
|
|
nsresult res = GetSelection(getter_AddRefs(selection));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!selection) return NS_ERROR_NULL_POINTER;
|
|
nsCOMPtr<nsISelectionPrivate> selPriv(do_QueryInterface(selection));
|
|
|
|
PRBool bNodeFound = PR_FALSE;
|
|
res=NS_ERROR_NOT_INITIALIZED;
|
|
PRBool isCollapsed;
|
|
selection->GetIsCollapsed(&isCollapsed);
|
|
|
|
nsAutoString domTagName;
|
|
nsAutoString TagName(aTagName);
|
|
ToLowerCase(TagName);
|
|
// Empty string indicates we should match any element tag
|
|
PRBool anyTag = (TagName.IsEmpty());
|
|
PRBool isLinkTag = IsLinkTag(TagName);
|
|
PRBool isNamedAnchorTag = IsNamedAnchorTag(TagName);
|
|
|
|
nsCOMPtr<nsIDOMElement> selectedElement;
|
|
nsCOMPtr<nsIDOMRange> range;
|
|
res = selection->GetRangeAt(0, getter_AddRefs(range));
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
nsCOMPtr<nsIDOMNode> startParent;
|
|
PRInt32 startOffset, endOffset;
|
|
res = range->GetStartContainer(getter_AddRefs(startParent));
|
|
if (NS_FAILED(res)) return res;
|
|
res = range->GetStartOffset(&startOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
nsCOMPtr<nsIDOMNode> endParent;
|
|
res = range->GetEndContainer(getter_AddRefs(endParent));
|
|
if (NS_FAILED(res)) return res;
|
|
res = range->GetEndOffset(&endOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// Optimization for a single selected element
|
|
if (startParent && startParent == endParent && (endOffset-startOffset) == 1)
|
|
{
|
|
nsCOMPtr<nsIDOMNode> selectedNode = GetChildAt(startParent, startOffset);
|
|
if (NS_FAILED(res)) return NS_OK;
|
|
if (selectedNode)
|
|
{
|
|
selectedNode->GetNodeName(domTagName);
|
|
ToLowerCase(domTagName);
|
|
|
|
// Test for appropriate node type requested
|
|
if (anyTag || (TagName == domTagName) ||
|
|
(isLinkTag && nsHTMLEditUtils::IsLink(selectedNode)) ||
|
|
(isNamedAnchorTag && nsHTMLEditUtils::IsNamedAnchor(selectedNode)))
|
|
{
|
|
bNodeFound = PR_TRUE;
|
|
selectedElement = do_QueryInterface(selectedNode);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!bNodeFound)
|
|
{
|
|
if (isLinkTag)
|
|
{
|
|
// Link tag is a special case - we return the anchor node
|
|
// found for any selection that is totally within a link,
|
|
// included a collapsed selection (just a caret in a link)
|
|
nsCOMPtr<nsIDOMNode> anchorNode;
|
|
res = selection->GetAnchorNode(getter_AddRefs(anchorNode));
|
|
if (NS_FAILED(res)) return res;
|
|
PRInt32 anchorOffset = -1;
|
|
if (anchorNode)
|
|
selection->GetAnchorOffset(&anchorOffset);
|
|
|
|
nsCOMPtr<nsIDOMNode> focusNode;
|
|
res = selection->GetFocusNode(getter_AddRefs(focusNode));
|
|
if (NS_FAILED(res)) return res;
|
|
PRInt32 focusOffset = -1;
|
|
if (focusNode)
|
|
selection->GetFocusOffset(&focusOffset);
|
|
|
|
// Link node must be the same for both ends of selection
|
|
if (NS_SUCCEEDED(res) && anchorNode)
|
|
{
|
|
#ifdef DEBUG_cmanske
|
|
{
|
|
nsAutoString name;
|
|
anchorNode->GetNodeName(name);
|
|
printf("GetSelectedElement: Anchor node of selection: ");
|
|
wprintf(name.get());
|
|
printf(" Offset: %d\n", anchorOffset);
|
|
focusNode->GetNodeName(name);
|
|
printf("Focus node of selection: ");
|
|
wprintf(name.get());
|
|
printf(" Offset: %d\n", focusOffset);
|
|
}
|
|
#endif
|
|
nsCOMPtr<nsIDOMElement> parentLinkOfAnchor;
|
|
res = GetElementOrParentByTagName(NS_LITERAL_STRING("href"), anchorNode, getter_AddRefs(parentLinkOfAnchor));
|
|
// XXX: ERROR_HANDLING can parentLinkOfAnchor be null?
|
|
if (NS_SUCCEEDED(res) && parentLinkOfAnchor)
|
|
{
|
|
if (isCollapsed)
|
|
{
|
|
// We have just a caret in the link
|
|
bNodeFound = PR_TRUE;
|
|
} else if(focusNode)
|
|
{ // Link node must be the same for both ends of selection
|
|
nsCOMPtr<nsIDOMElement> parentLinkOfFocus;
|
|
res = GetElementOrParentByTagName(NS_LITERAL_STRING("href"), focusNode, getter_AddRefs(parentLinkOfFocus));
|
|
if (NS_SUCCEEDED(res) && parentLinkOfFocus == parentLinkOfAnchor)
|
|
bNodeFound = PR_TRUE;
|
|
}
|
|
|
|
// We found a link node parent
|
|
if (bNodeFound) {
|
|
// GetElementOrParentByTagName addref'd this, so we don't need to do it here
|
|
*aReturn = parentLinkOfAnchor;
|
|
NS_IF_ADDREF(*aReturn);
|
|
return NS_OK;
|
|
}
|
|
}
|
|
else if (anchorOffset >= 0) // Check if link node is the only thing selected
|
|
{
|
|
nsCOMPtr<nsIDOMNode> anchorChild;
|
|
anchorChild = GetChildAt(anchorNode,anchorOffset);
|
|
if (anchorChild && nsHTMLEditUtils::IsLink(anchorChild) &&
|
|
(anchorNode == focusNode) && focusOffset == (anchorOffset+1))
|
|
{
|
|
selectedElement = do_QueryInterface(anchorChild);
|
|
bNodeFound = PR_TRUE;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!isCollapsed) // Don't bother to examine selection if it is collapsed
|
|
{
|
|
nsCOMPtr<nsIEnumerator> enumerator;
|
|
res = selPriv->GetEnumerator(getter_AddRefs(enumerator));
|
|
if (NS_SUCCEEDED(res))
|
|
{
|
|
if(!enumerator)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
enumerator->First();
|
|
nsCOMPtr<nsISupports> currentItem;
|
|
res = enumerator->CurrentItem(getter_AddRefs(currentItem));
|
|
if ((NS_SUCCEEDED(res)) && currentItem)
|
|
{
|
|
nsCOMPtr<nsIDOMRange> currange( do_QueryInterface(currentItem) );
|
|
nsCOMPtr<nsIContentIterator> iter;
|
|
res = nsComponentManager::CreateInstance(kCContentIteratorCID, nsnull,
|
|
NS_GET_IID(nsIContentIterator),
|
|
getter_AddRefs(iter));
|
|
if (NS_FAILED(res)) return res;
|
|
if (iter)
|
|
{
|
|
iter->Init(currange);
|
|
// loop through the content iterator for each content node
|
|
nsCOMPtr<nsIContent> content;
|
|
while (NS_ENUMERATOR_FALSE == iter->IsDone())
|
|
{
|
|
res = iter->CurrentNode(getter_AddRefs(content));
|
|
// Note likely!
|
|
if (NS_FAILED(res))
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// Query interface to cast nsIContent to nsIDOMNode
|
|
// then get tagType to compare to aTagName
|
|
// Clone node of each desired type and append it to the aDomFrag
|
|
selectedElement = do_QueryInterface(content);
|
|
if (selectedElement)
|
|
{
|
|
// If we already found a node, then we have another element,
|
|
// thus there's not just one element selected
|
|
if (bNodeFound)
|
|
{
|
|
bNodeFound = PR_FALSE;
|
|
break;
|
|
}
|
|
|
|
selectedElement->GetNodeName(domTagName);
|
|
ToLowerCase(domTagName);
|
|
|
|
if (anyTag)
|
|
{
|
|
// Get name of first selected element
|
|
selectedElement->GetTagName(TagName);
|
|
ToLowerCase(TagName);
|
|
anyTag = PR_FALSE;
|
|
}
|
|
|
|
// The "A" tag is a pain,
|
|
// used for both link(href is set) and "Named Anchor"
|
|
nsCOMPtr<nsIDOMNode> selectedNode = do_QueryInterface(selectedElement);
|
|
if ( (isLinkTag && nsHTMLEditUtils::IsLink(selectedNode)) ||
|
|
(isNamedAnchorTag && nsHTMLEditUtils::IsNamedAnchor(selectedNode)) )
|
|
{
|
|
bNodeFound = PR_TRUE;
|
|
} else if (TagName == domTagName) { // All other tag names are handled here
|
|
bNodeFound = PR_TRUE;
|
|
}
|
|
if (!bNodeFound)
|
|
{
|
|
// Check if node we have is really part of the selection???
|
|
break;
|
|
}
|
|
}
|
|
iter->Next();
|
|
}
|
|
}
|
|
} else {
|
|
// Should never get here?
|
|
isCollapsed = PR_TRUE;
|
|
printf("isCollapsed was FALSE, but no elements found in selection\n");
|
|
}
|
|
} else {
|
|
printf("Could not create enumerator for GetSelectionProperties\n");
|
|
}
|
|
}
|
|
}
|
|
if (bNodeFound)
|
|
{
|
|
|
|
*aReturn = selectedElement;
|
|
if (selectedElement)
|
|
{
|
|
// Getters must addref
|
|
NS_ADDREF(*aReturn);
|
|
}
|
|
}
|
|
else res = NS_EDITOR_ELEMENT_NOT_FOUND;
|
|
|
|
return res;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::CreateElementWithDefaults(const nsAString& aTagName, nsIDOMElement** aReturn)
|
|
{
|
|
nsresult res=NS_ERROR_NOT_INITIALIZED;
|
|
if (aReturn)
|
|
*aReturn = nsnull;
|
|
|
|
if (aTagName.IsEmpty() || !aReturn)
|
|
// if (!aTagName || !aReturn)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
nsAutoString TagName(aTagName);
|
|
ToLowerCase(TagName);
|
|
nsAutoString realTagName;
|
|
|
|
if (IsLinkTag(TagName) || IsNamedAnchorTag(TagName))
|
|
{
|
|
realTagName.Assign(NS_LITERAL_STRING("a"));
|
|
} else {
|
|
realTagName = TagName;
|
|
}
|
|
//We don't use editor's CreateElement because we don't want to
|
|
// go through the transaction system
|
|
|
|
nsCOMPtr<nsIDOMElement>newElement;
|
|
nsCOMPtr<nsIContent> newContent;
|
|
nsCOMPtr<nsIDOMDocument> doc = do_QueryReferent(mDocWeak);
|
|
if (!doc) return NS_ERROR_NOT_INITIALIZED;
|
|
|
|
//new call to use instead to get proper HTML element, bug# 39919
|
|
res = CreateHTMLContent(realTagName, getter_AddRefs(newContent));
|
|
newElement = do_QueryInterface(newContent);
|
|
if (NS_FAILED(res) || !newElement)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// Mark the new element dirty, so it will be formatted
|
|
newElement->SetAttribute(NS_LITERAL_STRING("_moz_dirty"), nsAutoString());
|
|
|
|
// Set default values for new elements
|
|
if (TagName.Equals(NS_LITERAL_STRING("hr")))
|
|
{
|
|
// Note that we read the user's attributes for these from prefs (in InsertHLine JS)
|
|
newElement->SetAttribute(NS_LITERAL_STRING("width"),NS_LITERAL_STRING("100%"));
|
|
newElement->SetAttribute(NS_LITERAL_STRING("size"),NS_LITERAL_STRING("2"));
|
|
} else if (TagName.Equals(NS_LITERAL_STRING("table")))
|
|
{
|
|
newElement->SetAttribute(NS_LITERAL_STRING("cellpadding"),NS_LITERAL_STRING("2"));
|
|
newElement->SetAttribute(NS_LITERAL_STRING("cellspacing"),NS_LITERAL_STRING("2"));
|
|
newElement->SetAttribute(NS_LITERAL_STRING("border"),NS_LITERAL_STRING("1"));
|
|
} else if (TagName.Equals(NS_LITERAL_STRING("td")))
|
|
{
|
|
newElement->SetAttribute(NS_LITERAL_STRING("valign"),NS_LITERAL_STRING("top"));
|
|
}
|
|
// ADD OTHER TAGS HERE
|
|
|
|
if (NS_SUCCEEDED(res))
|
|
{
|
|
*aReturn = newElement;
|
|
// Getters must addref
|
|
NS_ADDREF(*aReturn);
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::InsertLinkAroundSelection(nsIDOMElement* aAnchorElement)
|
|
{
|
|
nsresult res=NS_ERROR_NULL_POINTER;
|
|
nsCOMPtr<nsISelection> selection;
|
|
|
|
if (!aAnchorElement) return NS_ERROR_NULL_POINTER;
|
|
|
|
|
|
// We must have a real selection
|
|
res = GetSelection(getter_AddRefs(selection));
|
|
if (!selection)
|
|
{
|
|
res = NS_ERROR_NULL_POINTER;
|
|
}
|
|
if (NS_FAILED(res)) return res;
|
|
if (!selection) return NS_ERROR_NULL_POINTER;
|
|
|
|
PRBool isCollapsed;
|
|
res = selection->GetIsCollapsed(&isCollapsed);
|
|
if (NS_FAILED(res))
|
|
isCollapsed = PR_TRUE;
|
|
|
|
if (isCollapsed)
|
|
{
|
|
printf("InsertLinkAroundSelection called but there is no selection!!!\n");
|
|
res = NS_OK;
|
|
} else {
|
|
// Be sure we were given an anchor element
|
|
nsCOMPtr<nsIDOMHTMLAnchorElement> anchor = do_QueryInterface(aAnchorElement);
|
|
if (anchor)
|
|
{
|
|
nsAutoString href;
|
|
res = anchor->GetHref(href);
|
|
if (NS_FAILED(res)) return res;
|
|
if (!href.IsEmpty())
|
|
{
|
|
nsAutoEditBatch beginBatching(this);
|
|
|
|
// Set all attributes found on the supplied anchor element
|
|
nsCOMPtr<nsIDOMNamedNodeMap> attrMap;
|
|
aAnchorElement->GetAttributes(getter_AddRefs(attrMap));
|
|
if (!attrMap)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
PRUint32 count, i;
|
|
attrMap->GetLength(&count);
|
|
nsAutoString name, value;
|
|
|
|
for (i = 0; i < count; i++)
|
|
{
|
|
nsCOMPtr<nsIDOMNode> attrNode;
|
|
res = attrMap->Item(i, getter_AddRefs(attrNode));
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
if (attrNode)
|
|
{
|
|
nsCOMPtr<nsIDOMAttr> attribute = do_QueryInterface(attrNode);
|
|
if (attribute)
|
|
{
|
|
// We must clear the string buffers
|
|
// because GetName, GetValue appends to previous string!
|
|
name.SetLength(0);
|
|
value.SetLength(0);
|
|
|
|
res = attribute->GetName(name);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
res = attribute->GetValue(value);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
res = SetInlineProperty(nsIEditProperty::a, name, value);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::SetHTMLBackgroundColor(const nsAString& aColor)
|
|
{
|
|
NS_PRECONDITION(mDocWeak, "Missing Editor DOM Document");
|
|
|
|
// Find a selected or enclosing table element to set background on
|
|
nsCOMPtr<nsIDOMElement> element;
|
|
PRInt32 selectedCount;
|
|
nsAutoString tagName;
|
|
nsresult res = GetSelectedOrParentTableElement(getter_AddRefs(element),
|
|
tagName, &selectedCount);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
PRBool setColor = (aColor.Length() > 0);
|
|
|
|
NS_NAMED_LITERAL_STRING(bgcolor, "bgcolor");
|
|
if (element)
|
|
{
|
|
if (selectedCount > 0)
|
|
{
|
|
// Traverse all selected cells
|
|
nsCOMPtr<nsIDOMElement> cell;
|
|
res = GetFirstSelectedCell(getter_AddRefs(cell), nsnull);
|
|
if (NS_SUCCEEDED(res) && cell)
|
|
{
|
|
while(cell)
|
|
{
|
|
if (setColor)
|
|
res = SetAttribute(cell, bgcolor, aColor);
|
|
else
|
|
res = RemoveAttribute(cell, bgcolor);
|
|
if (NS_FAILED(res)) break;
|
|
|
|
GetNextSelectedCell(getter_AddRefs(cell), nsnull);
|
|
};
|
|
return res;
|
|
}
|
|
}
|
|
// If we failed to find a cell, fall through to use originally-found element
|
|
} else {
|
|
// No table element -- set the background color on the body tag
|
|
res = nsEditor::GetRootElement(getter_AddRefs(element));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!element) return NS_ERROR_NULL_POINTER;
|
|
}
|
|
// Use the editor method that goes through the transaction system
|
|
if (setColor)
|
|
res = SetAttribute(element, bgcolor, aColor);
|
|
else
|
|
res = RemoveAttribute(element, bgcolor);
|
|
|
|
return res;
|
|
}
|
|
|
|
NS_IMETHODIMP nsHTMLEditor::SetBodyAttribute(const nsAString& aAttribute, const nsAString& aValue)
|
|
{
|
|
nsresult res;
|
|
// TODO: Check selection for Cell, Row, Column or table and do color on appropriate level
|
|
|
|
NS_ASSERTION(mDocWeak, "Missing Editor DOM Document");
|
|
|
|
// Set the background color attribute on the body tag
|
|
nsCOMPtr<nsIDOMElement> bodyElement;
|
|
|
|
res = nsEditor::GetRootElement(getter_AddRefs(bodyElement));
|
|
if (!bodyElement) res = NS_ERROR_NULL_POINTER;
|
|
if (NS_SUCCEEDED(res))
|
|
{
|
|
// Use the editor method that goes through the transaction system
|
|
res = SetAttribute(bodyElement, aAttribute, aValue);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::GetLinkedObjects(nsISupportsArray** aNodeList)
|
|
{
|
|
if (!aNodeList)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
nsresult res;
|
|
|
|
res = NS_NewISupportsArray(aNodeList);
|
|
if (NS_FAILED(res)) return res;
|
|
if (!*aNodeList) return NS_ERROR_NULL_POINTER;
|
|
|
|
nsCOMPtr<nsIContentIterator> iter;
|
|
res = nsComponentManager::CreateInstance(kCContentIteratorCID, nsnull,
|
|
NS_GET_IID(nsIContentIterator),
|
|
getter_AddRefs(iter));
|
|
if (!iter) return NS_ERROR_NULL_POINTER;
|
|
if ((NS_SUCCEEDED(res)))
|
|
{
|
|
// get the root content
|
|
nsCOMPtr<nsIContent> rootContent;
|
|
|
|
nsCOMPtr<nsIDOMDocument> domdoc;
|
|
nsEditor::GetDocument(getter_AddRefs(domdoc));
|
|
if (!domdoc)
|
|
return NS_ERROR_UNEXPECTED;
|
|
|
|
nsCOMPtr<nsIDocument> doc (do_QueryInterface(domdoc));
|
|
if (!doc)
|
|
return NS_ERROR_UNEXPECTED;
|
|
|
|
doc->GetRootContent(getter_AddRefs(rootContent));
|
|
|
|
iter->Init(rootContent);
|
|
|
|
// loop through the content iterator for each content node
|
|
while (NS_ENUMERATOR_FALSE == iter->IsDone())
|
|
{
|
|
nsCOMPtr<nsIContent> content;
|
|
res = iter->CurrentNode(getter_AddRefs(content));
|
|
if (NS_FAILED(res))
|
|
break;
|
|
nsCOMPtr<nsIDOMNode> node (do_QueryInterface(content));
|
|
if (node)
|
|
{
|
|
// Let nsURIRefObject make the hard decisions:
|
|
nsCOMPtr<nsIURIRefObject> refObject;
|
|
res = NS_NewHTMLURIRefObject(getter_AddRefs(refObject), node);
|
|
if (NS_SUCCEEDED(res))
|
|
{
|
|
nsCOMPtr<nsISupports> isupp (do_QueryInterface(refObject));
|
|
if (isupp)
|
|
(*aNodeList)->AppendElement(isupp);
|
|
}
|
|
}
|
|
iter->Next();
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
#ifdef XP_MAC
|
|
#pragma mark -
|
|
#pragma mark nsIEditorStyleSheets methods
|
|
#pragma mark -
|
|
#endif
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::AddStyleSheet(nsICSSStyleSheet* aSheet)
|
|
{
|
|
AddStyleSheetTxn* txn;
|
|
nsresult rv = CreateTxnForAddStyleSheet(aSheet, &txn);
|
|
if (!txn) rv = NS_ERROR_NULL_POINTER;
|
|
if (NS_SUCCEEDED(rv))
|
|
{
|
|
rv = Do(txn);
|
|
if (NS_SUCCEEDED(rv))
|
|
{
|
|
mLastStyleSheet = do_QueryInterface(aSheet); // save it so we can remove before applying the next one
|
|
}
|
|
}
|
|
// The transaction system (if any) has taken ownwership of txns
|
|
NS_IF_RELEASE(txn);
|
|
|
|
return rv;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::RemoveStyleSheet(nsICSSStyleSheet* aSheet)
|
|
{
|
|
RemoveStyleSheetTxn* txn;
|
|
nsresult rv = CreateTxnForRemoveStyleSheet(aSheet, &txn);
|
|
if (!txn) rv = NS_ERROR_NULL_POINTER;
|
|
if (NS_SUCCEEDED(rv))
|
|
{
|
|
rv = Do(txn);
|
|
if (NS_SUCCEEDED(rv))
|
|
{
|
|
mLastStyleSheet = nsnull; // forget it
|
|
}
|
|
}
|
|
// The transaction system (if any) has taken ownwership of txns
|
|
NS_IF_RELEASE(txn);
|
|
|
|
return rv;
|
|
}
|
|
|
|
// Do NOT use transaction system for override style sheets
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::RemoveOverrideStyleSheet(nsICSSStyleSheet* aSheet)
|
|
{
|
|
if (!mPresShellWeak) return NS_ERROR_NOT_INITIALIZED;
|
|
nsCOMPtr<nsIPresShell> ps = do_QueryReferent(mPresShellWeak);
|
|
if (!ps) return NS_ERROR_NOT_INITIALIZED;
|
|
|
|
nsCOMPtr<nsIDocument> document;
|
|
nsresult rv = ps->GetDocument(getter_AddRefs(document));
|
|
if (NS_FAILED(rv)) return rv;
|
|
if (!document) return NS_ERROR_NULL_POINTER;
|
|
|
|
nsCOMPtr<nsIStyleSet> styleSet;
|
|
rv = ps->GetStyleSet(getter_AddRefs(styleSet));
|
|
|
|
if (NS_FAILED(rv)) return rv;
|
|
if (!styleSet) return NS_ERROR_NULL_POINTER;
|
|
nsCOMPtr<nsIStyleSheet> styleSheet = do_QueryInterface(aSheet);
|
|
if (!styleSheet) return NS_ERROR_NULL_POINTER;
|
|
styleSet->RemoveOverrideStyleSheet(styleSheet);
|
|
|
|
// This notifies document observers to rebuild all frames
|
|
// (this doesn't affect style sheet because it is not a doc sheet)
|
|
document->SetStyleSheetDisabledState(styleSheet, PR_FALSE);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::ApplyOverrideStyleSheet(const nsAString& aURL, nsICSSStyleSheet **aStyleSheet)
|
|
{
|
|
return ApplyDocumentOrOverrideStyleSheet(aURL, PR_TRUE, aStyleSheet);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::ApplyStyleSheet(const nsAString& aURL, nsICSSStyleSheet **aStyleSheet)
|
|
{
|
|
return ApplyDocumentOrOverrideStyleSheet(aURL, PR_FALSE, aStyleSheet);
|
|
}
|
|
|
|
//Note: Loading a document style sheet is undoable, loading an override sheet is not
|
|
nsresult
|
|
nsHTMLEditor::ApplyDocumentOrOverrideStyleSheet(const nsAString& aURL, PRBool aOverride, nsICSSStyleSheet **aStyleSheet)
|
|
{
|
|
nsresult rv = NS_OK;
|
|
nsCOMPtr<nsIURI> uaURL;
|
|
|
|
rv = NS_NewURI(getter_AddRefs(uaURL), aURL);
|
|
|
|
if (NS_SUCCEEDED(rv)) {
|
|
nsCOMPtr<nsIDocument> document;
|
|
|
|
if (!mPresShellWeak) return NS_ERROR_NOT_INITIALIZED;
|
|
nsCOMPtr<nsIPresShell> ps = do_QueryReferent(mPresShellWeak);
|
|
if (!ps) return NS_ERROR_NOT_INITIALIZED;
|
|
rv = ps->GetDocument(getter_AddRefs(document));
|
|
if (NS_FAILED(rv)) return rv;
|
|
if (!document) return NS_ERROR_NULL_POINTER;
|
|
|
|
nsCOMPtr<nsIHTMLContentContainer> container = do_QueryInterface(document);
|
|
if (!container) return NS_ERROR_NULL_POINTER;
|
|
|
|
nsCOMPtr<nsICSSLoader> cssLoader;
|
|
nsCOMPtr<nsICSSStyleSheet> cssStyleSheet;
|
|
|
|
rv = container->GetCSSLoader(*getter_AddRefs(cssLoader));
|
|
if (NS_FAILED(rv)) return rv;
|
|
if (!cssLoader) return NS_ERROR_NULL_POINTER;
|
|
|
|
PRBool complete;
|
|
|
|
if (aOverride)
|
|
{
|
|
// We use null for the callback and data pointer because
|
|
// we MUST ONLY load synchronous local files (no @import)
|
|
rv = cssLoader->LoadAgentSheet(uaURL, *getter_AddRefs(cssStyleSheet), complete,
|
|
nsnull);
|
|
|
|
// Synchronous loads should ALWAYS return completed
|
|
if (!complete || !cssStyleSheet)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
nsCOMPtr<nsIStyleSheet> styleSheet;
|
|
styleSheet = do_QueryInterface(cssStyleSheet);
|
|
nsCOMPtr<nsIStyleSet> styleSet;
|
|
rv = ps->GetStyleSet(getter_AddRefs(styleSet));
|
|
if (NS_FAILED(rv)) return rv;
|
|
if (!styleSet) return NS_ERROR_NULL_POINTER;
|
|
|
|
// Add the override style sheet
|
|
// (This checks if already exists)
|
|
styleSet->AppendOverrideStyleSheet(styleSheet);
|
|
// Save doc pointer to be able to use nsIStyleSheet::SetEnabled()
|
|
styleSheet->SetOwningDocument(document);
|
|
|
|
// This notifies document observers to rebuild all frames
|
|
// (this doesn't affect style sheet because it is not a doc sheet)
|
|
document->SetStyleSheetDisabledState(styleSheet, PR_FALSE);
|
|
}
|
|
else
|
|
{
|
|
rv = cssLoader->LoadAgentSheet(uaURL, *getter_AddRefs(cssStyleSheet), complete,
|
|
this);
|
|
if (NS_FAILED(rv)) return rv;
|
|
if (complete)
|
|
ApplyStyleSheetToPresShellDocument(cssStyleSheet,this);
|
|
|
|
//
|
|
// If not complete, we will be notified later
|
|
// with a call to ApplyStyleSheetToPresShellDocument().
|
|
//
|
|
}
|
|
if (aStyleSheet)
|
|
{
|
|
*aStyleSheet = cssStyleSheet;
|
|
NS_ADDREF(*aStyleSheet);
|
|
}
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
#ifdef XP_MAC
|
|
#pragma mark -
|
|
#pragma mark nsIEditorMailSupport methods
|
|
#pragma mark -
|
|
#endif
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::GetEmbeddedObjects(nsISupportsArray** aNodeList)
|
|
{
|
|
if (!aNodeList)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
nsresult res;
|
|
|
|
res = NS_NewISupportsArray(aNodeList);
|
|
if (NS_FAILED(res)) return res;
|
|
if (!*aNodeList) return NS_ERROR_NULL_POINTER;
|
|
|
|
nsCOMPtr<nsIContentIterator> iter;
|
|
res = nsComponentManager::CreateInstance(kCContentIteratorCID, nsnull,
|
|
NS_GET_IID(nsIContentIterator),
|
|
getter_AddRefs(iter));
|
|
if (!iter) return NS_ERROR_NULL_POINTER;
|
|
if ((NS_SUCCEEDED(res)))
|
|
{
|
|
// get the root content
|
|
nsCOMPtr<nsIContent> rootContent;
|
|
|
|
nsCOMPtr<nsIDOMDocument> domdoc;
|
|
nsEditor::GetDocument(getter_AddRefs(domdoc));
|
|
if (!domdoc)
|
|
return NS_ERROR_UNEXPECTED;
|
|
|
|
nsCOMPtr<nsIDocument> doc (do_QueryInterface(domdoc));
|
|
if (!doc)
|
|
return NS_ERROR_UNEXPECTED;
|
|
|
|
doc->GetRootContent(getter_AddRefs(rootContent));
|
|
|
|
iter->Init(rootContent);
|
|
|
|
// loop through the content iterator for each content node
|
|
while (NS_ENUMERATOR_FALSE == iter->IsDone())
|
|
{
|
|
nsCOMPtr<nsIContent> content;
|
|
res = iter->CurrentNode(getter_AddRefs(content));
|
|
if (NS_FAILED(res))
|
|
break;
|
|
nsCOMPtr<nsIDOMNode> node (do_QueryInterface(content));
|
|
if (node)
|
|
{
|
|
nsAutoString tagName;
|
|
node->GetNodeName(tagName);
|
|
ToLowerCase(tagName);
|
|
|
|
// See if it's an image or an embed
|
|
if (tagName.Equals(NS_LITERAL_STRING("img")) || tagName.Equals(NS_LITERAL_STRING("embed")))
|
|
(*aNodeList)->AppendElement(node);
|
|
else if (tagName.Equals(NS_LITERAL_STRING("a")))
|
|
{
|
|
// Only include links if they're links to file: URLs
|
|
nsCOMPtr<nsIDOMHTMLAnchorElement> anchor (do_QueryInterface(content));
|
|
if (anchor)
|
|
{
|
|
nsAutoString href;
|
|
if (NS_SUCCEEDED(anchor->GetHref(href)))
|
|
if (Substring(href, 0, 5).Equals(NS_LITERAL_STRING("file:"),
|
|
nsCaseInsensitiveStringComparator()))
|
|
(*aNodeList)->AppendElement(node);
|
|
}
|
|
}
|
|
else if (tagName.Equals(NS_LITERAL_STRING("body")))
|
|
{
|
|
nsCOMPtr<nsIDOMElement> element = do_QueryInterface(node);
|
|
if (element)
|
|
{
|
|
PRBool hasBackground = PR_FALSE;
|
|
if (NS_SUCCEEDED(element->HasAttribute(NS_LITERAL_STRING("background"), &hasBackground)))
|
|
if (hasBackground)
|
|
(*aNodeList)->AppendElement(node);
|
|
}
|
|
}
|
|
}
|
|
iter->Next();
|
|
}
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
|
|
#ifdef XP_MAC
|
|
#pragma mark -
|
|
#pragma mark nsIEditor overrides
|
|
#pragma mark -
|
|
#endif
|
|
|
|
// Undo, Redo, Cut, CanCut, Copy, CanCopy, all inherited from nsPlaintextEditor
|
|
|
|
static nsresult SetSelectionAroundHeadChildren(nsCOMPtr<nsISelection> aSelection, nsWeakPtr aDocWeak)
|
|
{
|
|
nsresult res = NS_OK;
|
|
// Set selection around <head> node
|
|
nsCOMPtr<nsIDOMDocument> doc = do_QueryReferent(aDocWeak);
|
|
if (!doc) return NS_ERROR_NOT_INITIALIZED;
|
|
|
|
nsCOMPtr<nsIDOMNodeList>nodeList;
|
|
res = doc->GetElementsByTagName(NS_LITERAL_STRING("head"), getter_AddRefs(nodeList));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!nodeList) return NS_ERROR_NULL_POINTER;
|
|
|
|
PRUint32 count;
|
|
nodeList->GetLength(&count);
|
|
if (count < 1) return NS_ERROR_FAILURE;
|
|
|
|
nsCOMPtr<nsIDOMNode> headNode;
|
|
res = nodeList->Item(0, getter_AddRefs(headNode));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!headNode) return NS_ERROR_NULL_POINTER;
|
|
|
|
// Collapse selection to before first child of the head,
|
|
res = aSelection->Collapse(headNode, 0);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// then extend it to just after
|
|
nsCOMPtr<nsIDOMNodeList> childNodes;
|
|
res = headNode->GetChildNodes(getter_AddRefs(childNodes));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!childNodes) return NS_ERROR_NULL_POINTER;
|
|
PRUint32 childCount;
|
|
childNodes->GetLength(&childCount);
|
|
|
|
return aSelection->Extend(headNode, childCount+1);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::GetHeadContentsAsHTML(nsAString& aOutputString)
|
|
{
|
|
nsCOMPtr<nsISelection> selection;
|
|
nsresult res = GetSelection(getter_AddRefs(selection));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!selection) return NS_ERROR_NULL_POINTER;
|
|
|
|
// Save current selection
|
|
nsAutoSelectionReset selectionResetter(selection, this);
|
|
|
|
res = SetSelectionAroundHeadChildren(selection, mDocWeak);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
res = OutputToString(NS_LITERAL_STRING("text/html"),
|
|
nsIDocumentEncoder::OutputSelectionOnly,
|
|
aOutputString);
|
|
if (NS_SUCCEEDED(res))
|
|
{
|
|
// Selection always includes <body></body>,
|
|
// so terminate there
|
|
nsReadingIterator<PRUnichar> findIter,endFindIter;
|
|
aOutputString.BeginReading(findIter);
|
|
aOutputString.EndReading(endFindIter);
|
|
//counting on our parser to always lower case!!!
|
|
if (FindInReadable(NS_LITERAL_STRING("<body"),findIter,endFindIter))
|
|
{
|
|
nsReadingIterator<PRUnichar> beginIter;
|
|
aOutputString.BeginReading(beginIter);
|
|
PRInt32 offset = Distance(beginIter, findIter);//get the distance
|
|
|
|
nsWritingIterator<PRUnichar> writeIter;
|
|
aOutputString.BeginWriting(writeIter);
|
|
// Ensure the string ends in a newline
|
|
PRUnichar newline ('\n');
|
|
findIter.advance(-1);
|
|
if (offset ==0 || (offset >0 && (*findIter) != newline)) //check for 0
|
|
{
|
|
writeIter.advance(offset);
|
|
*writeIter = newline;
|
|
aOutputString.Truncate(offset+1);
|
|
}
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::DebugUnitTests(PRInt32 *outNumTests, PRInt32 *outNumTestsFailed)
|
|
{
|
|
#ifdef DEBUG
|
|
if (!outNumTests || !outNumTestsFailed)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
TextEditorTest *tester = new TextEditorTest();
|
|
if (!tester)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
|
|
tester->Run(this, outNumTests, outNumTestsFailed);
|
|
delete tester;
|
|
return NS_OK;
|
|
#else
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
#endif
|
|
}
|
|
|
|
#ifdef XP_MAC
|
|
#pragma mark -
|
|
#pragma mark nsIEditorIMESupport overrides
|
|
#pragma mark -
|
|
#endif
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::SetCompositionString(const nsAString& aCompositionString, nsIPrivateTextRangeList* aTextRangeList,nsTextEventReply* aReply)
|
|
{
|
|
NS_ASSERTION(aTextRangeList, "null ptr");
|
|
if (nsnull == aTextRangeList)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
nsCOMPtr<nsICaret> caretP;
|
|
|
|
// workaround for windows ime bug 23558: we get every ime event twice.
|
|
// for escape keypress, this causes an empty string to be passed
|
|
// twice, which freaks out the editor. This is to detect and aviod that
|
|
// situation:
|
|
if (aCompositionString.IsEmpty() && !mIMETextNode)
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
nsCOMPtr<nsISelection> selection;
|
|
nsresult result = GetSelection(getter_AddRefs(selection));
|
|
if (NS_FAILED(result)) return result;
|
|
|
|
mIMETextRangeList = aTextRangeList;
|
|
|
|
if (!mPresShellWeak)
|
|
return NS_ERROR_NOT_INITIALIZED;
|
|
|
|
nsCOMPtr<nsIPresShell> ps = do_QueryReferent(mPresShellWeak);
|
|
if (!ps)
|
|
return NS_ERROR_NOT_INITIALIZED;
|
|
|
|
// XXX_kin: BEGIN HACK! HACK! HACK!
|
|
// XXX_kin:
|
|
// XXX_kin: This is lame! The IME stuff needs caret coordinates
|
|
// XXX_kin: synchronously, but the editor could be using async
|
|
// XXX_kin: updates (reflows and paints) for performance reasons.
|
|
// XXX_kin: In order to give IME what it needs, we have to temporarily
|
|
// XXX_kin: switch to sync updating during this call so that the
|
|
// XXX_kin: nsAutoPlaceHolderBatch can force sync reflows, paints,
|
|
// XXX_kin: and selection scrolling, so that we get back accurate
|
|
// XXX_kin: caret coordinates.
|
|
|
|
PRUint32 flags = 0;
|
|
PRBool restoreFlags = PR_FALSE;
|
|
|
|
if (NS_SUCCEEDED(GetFlags(&flags)) &&
|
|
(flags & nsIPlaintextEditor::eEditorUseAsyncUpdatesMask))
|
|
{
|
|
if (NS_SUCCEEDED(SetFlags(flags & (~nsIPlaintextEditor::eEditorUseAsyncUpdatesMask))))
|
|
restoreFlags = PR_TRUE;
|
|
}
|
|
|
|
// XXX_kin: END HACK! HACK! HACK!
|
|
|
|
// we need the nsAutoPlaceHolderBatch destructor called before hitting
|
|
// GetCaretCoordinates so the states in Frame system sync with content
|
|
// therefore, we put the nsAutoPlaceHolderBatch into an inner block
|
|
{
|
|
nsAutoPlaceHolderBatch batch(this, gIMETxnName);
|
|
|
|
result = InsertText(aCompositionString);
|
|
|
|
mIMEBufferLength = aCompositionString.Length();
|
|
|
|
ps->GetCaret(getter_AddRefs(caretP));
|
|
caretP->SetCaretDOMSelection(selection);
|
|
|
|
// second part of 23558 fix:
|
|
if (aCompositionString.IsEmpty())
|
|
{
|
|
mIMETextNode = nsnull;
|
|
}
|
|
}
|
|
|
|
// XXX_kin: BEGIN HACK! HACK! HACK!
|
|
// XXX_kin:
|
|
// XXX_kin: Restore the previous set of flags!
|
|
|
|
if (restoreFlags)
|
|
SetFlags(flags);
|
|
|
|
// XXX_kin: END HACK! HACK! HACK!
|
|
|
|
result = caretP->GetCaretCoordinates(nsICaret::eIMECoordinates, selection,
|
|
&(aReply->mCursorPosition), &(aReply->mCursorIsCollapsed), nsnull);
|
|
NS_ASSERTION(NS_SUCCEEDED(result), "cannot get caret position");
|
|
|
|
|
|
return result;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::GetReconversionString(nsReconversionEventReply* aReply)
|
|
{
|
|
nsresult res;
|
|
|
|
nsCOMPtr<nsISelection> selection;
|
|
res = GetSelection(getter_AddRefs(selection));
|
|
if (NS_FAILED(res) || !selection)
|
|
return (res == NS_OK) ? NS_ERROR_FAILURE : res;
|
|
|
|
// get the first range in the selection. Since it is
|
|
// unclear what to do if reconversion happens with a
|
|
// multirange selection, we will ignore any additional ranges.
|
|
|
|
nsCOMPtr<nsIDOMRange> range;
|
|
res = selection->GetRangeAt(0, getter_AddRefs(range));
|
|
if (NS_FAILED(res) || !range)
|
|
return (res == NS_OK) ? NS_ERROR_FAILURE : res;
|
|
|
|
nsAutoString textValue;
|
|
res = range->ToString(textValue);
|
|
if (NS_FAILED(res))
|
|
return res;
|
|
|
|
aReply->mReconversionString = (PRUnichar*) nsMemory::Clone(textValue.get(),
|
|
(textValue.Length() + 1) * sizeof(PRUnichar));
|
|
if (!aReply->mReconversionString)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
|
|
// delete the selection
|
|
res = DeleteSelection(eNone);
|
|
|
|
return res;
|
|
}
|
|
|
|
#ifdef XP_MAC
|
|
#pragma mark -
|
|
#pragma mark StyleSheet utils
|
|
#pragma mark -
|
|
#endif
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::ReplaceStyleSheet(nsICSSStyleSheet *aNewSheet)
|
|
{
|
|
nsresult rv = NS_OK;
|
|
|
|
nsAutoEditBatch batchIt(this);
|
|
|
|
if (mLastStyleSheet)
|
|
{
|
|
rv = RemoveStyleSheet(mLastStyleSheet);
|
|
//XXX: rv is ignored here, why?
|
|
}
|
|
|
|
rv = AddStyleSheet(aNewSheet);
|
|
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::StyleSheetLoaded(nsICSSStyleSheet*aSheet, PRBool aNotify)
|
|
{
|
|
ApplyStyleSheetToPresShellDocument(aSheet, this);
|
|
return NS_OK;
|
|
}
|
|
|
|
/* static callback */
|
|
void nsHTMLEditor::ApplyStyleSheetToPresShellDocument(nsICSSStyleSheet* aSheet, void *aData)
|
|
{
|
|
nsresult rv = NS_OK;
|
|
|
|
nsHTMLEditor *editor = NS_STATIC_CAST(nsHTMLEditor*, aData);
|
|
if (editor)
|
|
{
|
|
rv = editor->ReplaceStyleSheet(aSheet);
|
|
}
|
|
// XXX: we lose the return value here. Set a flag in the editor?
|
|
}
|
|
|
|
|
|
#ifdef XP_MAC
|
|
#pragma mark -
|
|
#pragma mark nsEditor overrides
|
|
#pragma mark -
|
|
#endif
|
|
|
|
|
|
/** All editor operations which alter the doc should be prefaced
|
|
* with a call to StartOperation, naming the action and direction */
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::StartOperation(PRInt32 opID, nsIEditor::EDirection aDirection)
|
|
{
|
|
nsEditor::StartOperation(opID, aDirection); // will set mAction, mDirection
|
|
if (! ((mAction==kOpInsertText) || (mAction==kOpInsertIMEText)) )
|
|
ClearInlineStylesCache();
|
|
if (mRules) return mRules->BeforeEdit(mAction, mDirection);
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
/** All editor operations which alter the doc should be followed
|
|
* with a call to EndOperation */
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::EndOperation()
|
|
{
|
|
// post processing
|
|
if (! ((mAction==kOpInsertText) || (mAction==kOpInsertIMEText) || (mAction==kOpIgnore)) )
|
|
ClearInlineStylesCache();
|
|
nsresult res = NS_OK;
|
|
if (mRules) res = mRules->AfterEdit(mAction, mDirection);
|
|
nsEditor::EndOperation(); // will clear mAction, mDirection
|
|
return res;
|
|
}
|
|
|
|
PRBool
|
|
nsHTMLEditor::TagCanContainTag(const nsAString& aParentTag, const nsAString& aChildTag)
|
|
{
|
|
// COtherDTD gives some unwanted results. We override them here.
|
|
if (aParentTag.Equals(NS_LITERAL_STRING("ol"),nsCaseInsensitiveStringComparator()) ||
|
|
aParentTag.Equals(NS_LITERAL_STRING("ul"),nsCaseInsensitiveStringComparator()))
|
|
{
|
|
// if parent is a list and tag is also a list, say "yes".
|
|
// This is because the editor does sublists illegally for now.
|
|
if (aChildTag.Equals(NS_LITERAL_STRING("ol"),nsCaseInsensitiveStringComparator()) ||
|
|
aChildTag.Equals(NS_LITERAL_STRING("ul"),nsCaseInsensitiveStringComparator()))
|
|
return PR_TRUE;
|
|
}
|
|
|
|
if (aParentTag.Equals(NS_LITERAL_STRING("li"),nsCaseInsensitiveStringComparator()))
|
|
{
|
|
// list items cant contain list items
|
|
if (aChildTag.Equals(NS_LITERAL_STRING("li"),nsCaseInsensitiveStringComparator()))
|
|
return PR_FALSE;
|
|
}
|
|
|
|
/*
|
|
// if parent is a pre, and child is not inline, say "no"
|
|
if ( aParentTag.Equals(NS_LITERAL_STRING("pre")) )
|
|
{
|
|
if (aChildTag.Equals(NS_LITERAL_STRING("__moz_text")))
|
|
return PR_TRUE;
|
|
PRInt32 childTagEnum, parentTagEnum;
|
|
nsAutoString non_const_childTag(aChildTag);
|
|
nsAutoString non_const_parentTag(aParentTag);
|
|
nsresult res = mDTD->StringTagToIntTag(non_const_childTag,&childTagEnum);
|
|
if (NS_FAILED(res)) return PR_FALSE;
|
|
res = mDTD->StringTagToIntTag(non_const_parentTag,&parentTagEnum);
|
|
if (NS_FAILED(res)) return PR_FALSE;
|
|
if (!mDTD->IsInlineElement(childTagEnum,parentTagEnum))
|
|
return PR_FALSE;
|
|
}
|
|
*/
|
|
// else fall thru
|
|
return nsEditor::TagCanContainTag(aParentTag, aChildTag);
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::SelectEntireDocument(nsISelection *aSelection)
|
|
{
|
|
nsresult res;
|
|
if (!aSelection || !mRules) { return NS_ERROR_NULL_POINTER; }
|
|
|
|
// get body node
|
|
nsCOMPtr<nsIDOMElement>bodyElement;
|
|
res = GetRootElement(getter_AddRefs(bodyElement));
|
|
if (NS_FAILED(res)) return res;
|
|
nsCOMPtr<nsIDOMNode>bodyNode = do_QueryInterface(bodyElement);
|
|
if (!bodyNode) return NS_ERROR_FAILURE;
|
|
|
|
// is doc empty?
|
|
PRBool bDocIsEmpty;
|
|
res = mRules->DocumentIsEmpty(&bDocIsEmpty);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
if (bDocIsEmpty)
|
|
{
|
|
// if its empty dont select entire doc - that would select the bogus node
|
|
return aSelection->Collapse(bodyNode, 0);
|
|
}
|
|
else
|
|
{
|
|
return nsEditor::SelectEntireDocument(aSelection);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
|
|
|
|
#ifdef XP_MAC
|
|
#pragma mark -
|
|
#pragma mark Random methods
|
|
#pragma mark -
|
|
#endif
|
|
|
|
|
|
NS_IMETHODIMP nsHTMLEditor::GetLayoutObject(nsIDOMNode *aNode, nsISupports **aLayoutObject)
|
|
{
|
|
nsresult result = NS_ERROR_FAILURE; // we return an error unless we get the index
|
|
if (!mPresShellWeak) return NS_ERROR_NOT_INITIALIZED;
|
|
nsCOMPtr<nsIPresShell> ps = do_QueryReferent(mPresShellWeak);
|
|
if (!ps) return NS_ERROR_NOT_INITIALIZED;
|
|
|
|
if ((nsnull!=aNode))
|
|
{ // get the content interface
|
|
nsCOMPtr<nsIContent> nodeAsContent( do_QueryInterface(aNode) );
|
|
if (nodeAsContent)
|
|
{ // get the frame from the content interface
|
|
//Note: frames are not ref counted, so don't use an nsCOMPtr
|
|
*aLayoutObject = nsnull;
|
|
result = ps->GetLayoutObjectFor(nodeAsContent, aLayoutObject);
|
|
}
|
|
}
|
|
else {
|
|
result = NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
|
|
// this will NOT find aAttribute unless aAttribute has a non-null value
|
|
// so singleton attributes like <Table border> will not be matched!
|
|
void nsHTMLEditor::IsTextPropertySetByContent(nsIDOMNode *aNode,
|
|
nsIAtom *aProperty,
|
|
const nsAString *aAttribute,
|
|
const nsAString *aValue,
|
|
PRBool &aIsSet,
|
|
nsIDOMNode **aStyleNode,
|
|
nsAString *outValue) const
|
|
{
|
|
nsresult result;
|
|
aIsSet = PR_FALSE; // must be initialized to false for code below to work
|
|
nsAutoString propName;
|
|
aProperty->ToString(propName);
|
|
nsCOMPtr<nsIDOMNode>node = aNode;
|
|
|
|
while (node)
|
|
{
|
|
nsCOMPtr<nsIDOMElement>element;
|
|
element = do_QueryInterface(node);
|
|
if (element)
|
|
{
|
|
nsAutoString tag, value;
|
|
element->GetTagName(tag);
|
|
if (propName.Equals(tag, nsCaseInsensitiveStringComparator()))
|
|
{
|
|
PRBool found = PR_FALSE;
|
|
if (aAttribute && 0!=aAttribute->Length())
|
|
{
|
|
element->GetAttribute(*aAttribute, value);
|
|
if (outValue) *outValue = value;
|
|
if (value.Length())
|
|
{
|
|
if (!aValue) {
|
|
found = PR_TRUE;
|
|
}
|
|
else
|
|
{
|
|
nsString tString(*aValue);
|
|
if (tString.Equals(value, nsCaseInsensitiveStringComparator())) {
|
|
found = PR_TRUE;
|
|
}
|
|
else { // we found the prop with the attribute, but the value doesn't match
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
found = PR_TRUE;
|
|
}
|
|
if (found)
|
|
{
|
|
aIsSet = PR_TRUE;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
nsCOMPtr<nsIDOMNode>temp;
|
|
result = node->GetParentNode(getter_AddRefs(temp));
|
|
if (NS_SUCCEEDED(result) && temp) {
|
|
node = do_QueryInterface(temp);
|
|
}
|
|
else {
|
|
node = do_QueryInterface(nsnull);
|
|
}
|
|
}
|
|
}
|
|
|
|
void nsHTMLEditor::IsTextStyleSet(nsIStyleContext *aSC,
|
|
nsIAtom *aProperty,
|
|
const nsAString *aAttribute,
|
|
PRBool &aIsSet) const
|
|
{
|
|
aIsSet = PR_FALSE;
|
|
if (aSC && aProperty)
|
|
{
|
|
nsStyleFont* font = (nsStyleFont*)aSC->GetStyleData(eStyleStruct_Font);
|
|
if (nsIEditProperty::i==aProperty)
|
|
{
|
|
aIsSet = PRBool(font->mFont.style & NS_FONT_STYLE_ITALIC);
|
|
}
|
|
else if (nsIEditProperty::b==aProperty)
|
|
{ // XXX: check this logic with Peter
|
|
aIsSet = PRBool(font->mFont.weight > NS_FONT_WEIGHT_NORMAL);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
#ifdef XP_MAC
|
|
#pragma mark -
|
|
#endif
|
|
|
|
//================================================================
|
|
// HTML Editor methods
|
|
//
|
|
// Note: Table Editing methods are implemented in nsTableEditor.cpp
|
|
//
|
|
|
|
|
|
PRBool nsHTMLEditor::IsElementInBody(nsIDOMElement* aElement)
|
|
{
|
|
return nsTextEditUtils::InBody(aElement, this);
|
|
}
|
|
|
|
PRBool
|
|
nsHTMLEditor::SetCaretInTableCell(nsIDOMElement* aElement)
|
|
{
|
|
PRBool caretIsSet = PR_FALSE;
|
|
|
|
if (aElement && IsElementInBody(aElement))
|
|
{
|
|
nsresult res = NS_OK;
|
|
nsCOMPtr<nsIContent> content = do_QueryInterface(aElement);
|
|
if (content)
|
|
{
|
|
nsCOMPtr<nsIAtom> atom;
|
|
content->GetTag(*getter_AddRefs(atom));
|
|
if (atom.get() == nsIEditProperty::table ||
|
|
atom.get() == nsIEditProperty::tbody ||
|
|
atom.get() == nsIEditProperty::thead ||
|
|
atom.get() == nsIEditProperty::tfoot ||
|
|
atom.get() == nsIEditProperty::caption ||
|
|
atom.get() == nsIEditProperty::tr ||
|
|
atom.get() == nsIEditProperty::td )
|
|
{
|
|
nsCOMPtr<nsIDOMNode> node = do_QueryInterface(aElement);
|
|
nsCOMPtr<nsIDOMNode> parent;
|
|
// This MUST succeed if IsElementInBody was TRUE
|
|
node->GetParentNode(getter_AddRefs(parent));
|
|
nsCOMPtr<nsIDOMNode>firstChild;
|
|
// Find deepest child
|
|
PRBool hasChild;
|
|
while (NS_SUCCEEDED(node->HasChildNodes(&hasChild)) && hasChild)
|
|
{
|
|
if (NS_SUCCEEDED(node->GetFirstChild(getter_AddRefs(firstChild))))
|
|
{
|
|
parent = node;
|
|
node = firstChild;
|
|
}
|
|
}
|
|
// Set selection at beginning of deepest node
|
|
nsCOMPtr<nsISelection> selection;
|
|
res = GetSelection(getter_AddRefs(selection));
|
|
if (NS_SUCCEEDED(res) && selection && firstChild)
|
|
{
|
|
res = selection->Collapse(firstChild, 0);
|
|
if (NS_SUCCEEDED(res))
|
|
caretIsSet = PR_TRUE;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return caretIsSet;
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::IsRootTag(nsString &aTag, PRBool &aIsTag)
|
|
{
|
|
static char bodyTag[] = "body";
|
|
static char tdTag[] = "td";
|
|
static char thTag[] = "th";
|
|
static char captionTag[] = "caption";
|
|
if (aTag.EqualsIgnoreCase(bodyTag) ||
|
|
aTag.EqualsIgnoreCase(tdTag) ||
|
|
aTag.EqualsIgnoreCase(thTag) ||
|
|
aTag.EqualsIgnoreCase(captionTag) )
|
|
{
|
|
aIsTag = PR_TRUE;
|
|
}
|
|
else {
|
|
aIsTag = PR_FALSE;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::IsSubordinateBlock(nsString &aTag, PRBool &aIsTag)
|
|
{
|
|
static char p[] = "p";
|
|
static char h1[] = "h1";
|
|
static char h2[] = "h2";
|
|
static char h3[] = "h3";
|
|
static char h4[] = "h4";
|
|
static char h5[] = "h5";
|
|
static char h6[] = "h6";
|
|
static char address[] = "address";
|
|
static char pre[] = "pre";
|
|
static char li[] = "li";
|
|
static char dt[] = "dt";
|
|
static char dd[] = "dd";
|
|
if (aTag.EqualsIgnoreCase(p) ||
|
|
aTag.EqualsIgnoreCase(h1) ||
|
|
aTag.EqualsIgnoreCase(h2) ||
|
|
aTag.EqualsIgnoreCase(h3) ||
|
|
aTag.EqualsIgnoreCase(h4) ||
|
|
aTag.EqualsIgnoreCase(h5) ||
|
|
aTag.EqualsIgnoreCase(h6) ||
|
|
aTag.EqualsIgnoreCase(address) ||
|
|
aTag.EqualsIgnoreCase(pre) ||
|
|
aTag.EqualsIgnoreCase(li) ||
|
|
aTag.EqualsIgnoreCase(dt) ||
|
|
aTag.EqualsIgnoreCase(dd) )
|
|
{
|
|
aIsTag = PR_TRUE;
|
|
}
|
|
else {
|
|
aIsTag = PR_FALSE;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// GetEnclosingTable: find ancestor who is a table, if any
|
|
//
|
|
nsCOMPtr<nsIDOMNode>
|
|
nsHTMLEditor::GetEnclosingTable(nsIDOMNode *aNode)
|
|
{
|
|
NS_PRECONDITION(aNode, "null node passed to nsHTMLEditor::GetEnclosingTable");
|
|
nsCOMPtr<nsIDOMNode> tbl, tmp, node = aNode;
|
|
|
|
while (!tbl)
|
|
{
|
|
tmp = GetBlockNodeParent(node);
|
|
if (!tmp) break;
|
|
if (nsHTMLEditUtils::IsTable(tmp)) tbl = tmp;
|
|
node = tmp;
|
|
}
|
|
return tbl;
|
|
}
|
|
|
|
#ifdef XP_MAC
|
|
#pragma mark -
|
|
#endif
|
|
|
|
void nsHTMLEditor::ClearInlineStylesCache()
|
|
{
|
|
mCachedNode = nsnull;
|
|
}
|
|
|
|
#ifdef PRE_NODE_IN_BODY
|
|
nsCOMPtr<nsIDOMElement> nsHTMLEditor::FindPreElement()
|
|
{
|
|
nsCOMPtr<nsIDOMDocument> domdoc;
|
|
nsEditor::GetDocument(getter_AddRefs(domdoc));
|
|
if (!domdoc)
|
|
return 0;
|
|
|
|
nsCOMPtr<nsIDocument> doc (do_QueryInterface(domdoc));
|
|
if (!doc)
|
|
return 0;
|
|
|
|
nsCOMPtr<nsIContent> rootContent;
|
|
doc->GetRootContent(getter_AddRefs(rootContent));
|
|
if (!rootContent)
|
|
return 0;
|
|
|
|
nsCOMPtr<nsIDOMNode> rootNode (do_QueryInterface(rootContent));
|
|
if (!rootNode)
|
|
return 0;
|
|
|
|
nsString prestr ("PRE"); // GetFirstNodeOfType requires capitals
|
|
nsCOMPtr<nsIDOMNode> preNode;
|
|
if (NS_FAILED(nsEditor::GetFirstNodeOfType(rootNode, prestr,
|
|
getter_AddRefs(preNode))))
|
|
return 0;
|
|
|
|
return do_QueryInterface(preNode);
|
|
}
|
|
#endif /* PRE_NODE_IN_BODY */
|
|
|
|
void nsHTMLEditor::HandleEventListenerError()
|
|
{
|
|
if (gNoisy) { printf("failed to add event listener\n"); }
|
|
// null out the nsCOMPtrs
|
|
mKeyListenerP = nsnull;
|
|
mMouseListenerP = nsnull;
|
|
mTextListenerP = nsnull;
|
|
mDragListenerP = nsnull;
|
|
mCompositionListenerP = nsnull;
|
|
mFocusListenerP = nsnull;
|
|
}
|
|
|
|
/* this method scans the selection for adjacent text nodes
|
|
* and collapses them into a single text node.
|
|
* "adjacent" means literally adjacent siblings of the same parent.
|
|
* Uses nsEditor::JoinNodes so action is undoable.
|
|
* Should be called within the context of a batch transaction.
|
|
*/
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::CollapseAdjacentTextNodes(nsIDOMRange *aInRange)
|
|
{
|
|
if (!aInRange) return NS_ERROR_NULL_POINTER;
|
|
nsAutoTxnsConserveSelection dontSpazMySelection(this);
|
|
nsVoidArray textNodes; // we can't actually do anything during iteration, so store the text nodes in an array
|
|
// don't bother ref counting them because we know we can hold them for the
|
|
// lifetime of this method
|
|
|
|
|
|
// build a list of editable text nodes
|
|
nsCOMPtr<nsIContentIterator> iter;
|
|
nsresult result = nsComponentManager::CreateInstance(kSubtreeIteratorCID, nsnull,
|
|
NS_GET_IID(nsIContentIterator),
|
|
getter_AddRefs(iter));
|
|
if (NS_FAILED(result)) return result;
|
|
if (!iter) return NS_ERROR_NULL_POINTER;
|
|
|
|
iter->Init(aInRange);
|
|
nsCOMPtr<nsIContent> content;
|
|
result = iter->CurrentNode(getter_AddRefs(content));
|
|
if (!content) return NS_OK;
|
|
|
|
while (NS_ENUMERATOR_FALSE == iter->IsDone())
|
|
{
|
|
nsCOMPtr<nsIDOMCharacterData> text = do_QueryInterface(content);
|
|
nsCOMPtr<nsIDOMNode> node = do_QueryInterface(content);
|
|
if (text && node && IsEditable(node))
|
|
{
|
|
textNodes.AppendElement((void*)(node.get()));
|
|
}
|
|
iter->Next();
|
|
iter->CurrentNode(getter_AddRefs(content));
|
|
}
|
|
|
|
// now that I have a list of text nodes, collapse adjacent text nodes
|
|
// NOTE: assumption that JoinNodes keeps the righthand node
|
|
while (textNodes.Count() > 1)
|
|
{
|
|
// we assume a textNodes entry can't be nsnull
|
|
nsIDOMNode *leftTextNode = (nsIDOMNode *)(textNodes.ElementAt(0));
|
|
nsIDOMNode *rightTextNode = (nsIDOMNode *)(textNodes.ElementAt(1));
|
|
NS_ASSERTION(leftTextNode && rightTextNode,"left or rightTextNode null in CollapseAdjacentTextNodes");
|
|
|
|
// get the prev sibling of the right node, and see if it's leftTextNode
|
|
nsCOMPtr<nsIDOMNode> prevSibOfRightNode;
|
|
result = GetPriorHTMLSibling(rightTextNode, address_of(prevSibOfRightNode));
|
|
if (NS_FAILED(result)) return result;
|
|
if (prevSibOfRightNode && (prevSibOfRightNode.get() == leftTextNode))
|
|
{
|
|
nsCOMPtr<nsIDOMNode> parent;
|
|
result = rightTextNode->GetParentNode(getter_AddRefs(parent));
|
|
if (NS_FAILED(result)) return result;
|
|
if (!parent) return NS_ERROR_NULL_POINTER;
|
|
result = JoinNodes(leftTextNode, rightTextNode, parent);
|
|
if (NS_FAILED(result)) return result;
|
|
}
|
|
|
|
textNodes.RemoveElementAt(0); // remove the leftmost text node from the list
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::GetNextElementByTagName(nsIDOMElement *aCurrentElement,
|
|
const nsAString *aTagName,
|
|
nsIDOMElement **aReturn)
|
|
{
|
|
nsresult res = NS_OK;
|
|
if (!aCurrentElement || !aTagName || !aReturn)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
nsIAtom *tagAtom = NS_NewAtom(*aTagName);
|
|
if (!tagAtom) { return NS_ERROR_NULL_POINTER; }
|
|
if (tagAtom==nsIEditProperty::th)
|
|
tagAtom=nsIEditProperty::td;
|
|
|
|
nsCOMPtr<nsIDOMNode> currentNode = do_QueryInterface(aCurrentElement);
|
|
if (!currentNode)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
*aReturn = nsnull;
|
|
|
|
nsCOMPtr<nsIDOMNode> nextNode;
|
|
PRBool done = PR_FALSE;
|
|
|
|
do {
|
|
res = GetNextNode(currentNode, PR_TRUE, address_of(nextNode));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!nextNode) break;
|
|
|
|
nsCOMPtr<nsIAtom> atom = GetTag(currentNode);
|
|
|
|
if (tagAtom==atom.get())
|
|
{
|
|
nsCOMPtr<nsIDOMElement> element = do_QueryInterface(currentNode);
|
|
if (!element) return NS_ERROR_NULL_POINTER;
|
|
|
|
*aReturn = element;
|
|
NS_ADDREF(*aReturn);
|
|
done = PR_TRUE;
|
|
return NS_OK;
|
|
}
|
|
currentNode = nextNode;
|
|
} while (!done);
|
|
|
|
return res;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::SetSelectionAtDocumentStart(nsISelection *aSelection)
|
|
{
|
|
nsCOMPtr<nsIDOMElement> bodyElement;
|
|
nsresult res = GetRootElement(getter_AddRefs(bodyElement));
|
|
if (NS_SUCCEEDED(res))
|
|
{
|
|
if (!bodyElement) return NS_ERROR_NULL_POINTER;
|
|
res = aSelection->Collapse(bodyElement,0);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
#ifdef XP_MAC
|
|
#pragma mark -
|
|
#endif
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// RemoveBlockContainer: remove inNode, reparenting it's children into their
|
|
// the parent of inNode. In addition, INSERT ANY BR's NEEDED
|
|
// TO PRESERVE IDENTITY OF REMOVED BLOCK.
|
|
//
|
|
nsresult
|
|
nsHTMLEditor::RemoveBlockContainer(nsIDOMNode *inNode)
|
|
{
|
|
if (!inNode)
|
|
return NS_ERROR_NULL_POINTER;
|
|
nsresult res;
|
|
nsCOMPtr<nsIDOMNode> sibling, child, unused;
|
|
|
|
// Two possibilities: the container cold be empty of editable content.
|
|
// If that is the case, we need to compare what is before and after inNode
|
|
// to determine if we need a br.
|
|
// Or it could not be empty, in which case we have to compare previous
|
|
// sibling and first child to determine if we need a leading br,
|
|
// and compare following sibling and last child to determine if we need a
|
|
// trailing br.
|
|
|
|
res = GetFirstEditableChild(inNode, address_of(child));
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
if (child) // the case of inNode not being empty
|
|
{
|
|
// we need a br at start unless:
|
|
// 1) previous sibling of inNode is a block, OR
|
|
// 2) previous sibling of inNode is a br, OR
|
|
// 3) first child of inNode is a block OR
|
|
// 4) either is null
|
|
|
|
res = GetPriorHTMLSibling(inNode, address_of(sibling));
|
|
if (NS_FAILED(res)) return res;
|
|
if (sibling && !IsBlockNode(sibling) && !nsTextEditUtils::IsBreak(sibling))
|
|
{
|
|
res = GetFirstEditableChild(inNode, address_of(child));
|
|
if (NS_FAILED(res)) return res;
|
|
if (child && !IsBlockNode(child))
|
|
{
|
|
// insert br node
|
|
res = CreateBR(inNode, 0, address_of(unused));
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
}
|
|
|
|
// we need a br at end unless:
|
|
// 1) following sibling of inNode is a block, OR
|
|
// 2) last child of inNode is a block, OR
|
|
// 3) last child of inNode is a block OR
|
|
// 4) either is null
|
|
|
|
res = GetNextHTMLSibling(inNode, address_of(sibling));
|
|
if (NS_FAILED(res)) return res;
|
|
if (sibling && !IsBlockNode(sibling))
|
|
{
|
|
res = GetLastEditableChild(inNode, address_of(child));
|
|
if (NS_FAILED(res)) return res;
|
|
if (child && !IsBlockNode(child) && !nsTextEditUtils::IsBreak(child))
|
|
{
|
|
// insert br node
|
|
PRUint32 len;
|
|
res = GetLengthOfDOMNode(inNode, len);
|
|
if (NS_FAILED(res)) return res;
|
|
res = CreateBR(inNode, (PRInt32)len, address_of(unused));
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
}
|
|
}
|
|
else // the case of inNode being empty
|
|
{
|
|
// we need a br at start unless:
|
|
// 1) previous sibling of inNode is a block, OR
|
|
// 2) previous sibling of inNode is a br, OR
|
|
// 3) following sibling of inNode is a block, OR
|
|
// 4) following sibling of inNode is a br OR
|
|
// 5) either is null
|
|
res = GetPriorHTMLSibling(inNode, address_of(sibling));
|
|
if (NS_FAILED(res)) return res;
|
|
if (sibling && !IsBlockNode(sibling) && !nsTextEditUtils::IsBreak(sibling))
|
|
{
|
|
res = GetNextHTMLSibling(inNode, address_of(sibling));
|
|
if (NS_FAILED(res)) return res;
|
|
if (sibling && !IsBlockNode(sibling) && !nsTextEditUtils::IsBreak(sibling))
|
|
{
|
|
// insert br node
|
|
res = CreateBR(inNode, 0, address_of(unused));
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
}
|
|
}
|
|
|
|
// now remove container
|
|
return RemoveContainer(inNode);
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// GetPriorHTMLSibling: returns the previous editable sibling, if there is
|
|
// one within the parent
|
|
//
|
|
nsresult
|
|
nsHTMLEditor::GetPriorHTMLSibling(nsIDOMNode *inNode, nsCOMPtr<nsIDOMNode> *outNode)
|
|
{
|
|
if (!outNode || !inNode) return NS_ERROR_NULL_POINTER;
|
|
nsresult res = NS_OK;
|
|
*outNode = nsnull;
|
|
nsCOMPtr<nsIDOMNode> temp, node = do_QueryInterface(inNode);
|
|
|
|
while (1)
|
|
{
|
|
res = node->GetPreviousSibling(getter_AddRefs(temp));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!temp) return NS_OK; // return null sibling
|
|
// if it's editable, we're done
|
|
if (IsEditable(temp)) break;
|
|
// otherwise try again
|
|
node = temp;
|
|
}
|
|
*outNode = temp;
|
|
return res;
|
|
}
|
|
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// GetPriorHTMLSibling: returns the previous editable sibling, if there is
|
|
// one within the parent. just like above routine but
|
|
// takes a parent/offset instead of a node.
|
|
//
|
|
nsresult
|
|
nsHTMLEditor::GetPriorHTMLSibling(nsIDOMNode *inParent, PRInt32 inOffset, nsCOMPtr<nsIDOMNode> *outNode)
|
|
{
|
|
if (!outNode || !inParent) return NS_ERROR_NULL_POINTER;
|
|
nsresult res = NS_OK;
|
|
*outNode = nsnull;
|
|
if (!inOffset) return NS_OK; // return null sibling if at offset zero
|
|
nsCOMPtr<nsIDOMNode> node = nsEditor::GetChildAt(inParent,inOffset-1);
|
|
if (IsEditable(node))
|
|
{
|
|
*outNode = node;
|
|
return res;
|
|
}
|
|
// else
|
|
return GetPriorHTMLSibling(node, outNode);
|
|
}
|
|
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// GetNextHTMLSibling: returns the next editable sibling, if there is
|
|
// one within the parent
|
|
//
|
|
nsresult
|
|
nsHTMLEditor::GetNextHTMLSibling(nsIDOMNode *inNode, nsCOMPtr<nsIDOMNode> *outNode)
|
|
{
|
|
if (!outNode) return NS_ERROR_NULL_POINTER;
|
|
nsresult res = NS_OK;
|
|
*outNode = nsnull;
|
|
nsCOMPtr<nsIDOMNode> temp, node = do_QueryInterface(inNode);
|
|
|
|
while (1)
|
|
{
|
|
res = node->GetNextSibling(getter_AddRefs(temp));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!temp) return NS_OK; // return null sibling
|
|
// if it's editable, we're done
|
|
if (IsEditable(temp)) break;
|
|
// otherwise try again
|
|
node = temp;
|
|
}
|
|
*outNode = temp;
|
|
return res;
|
|
}
|
|
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// GetNextHTMLSibling: returns the next editable sibling, if there is
|
|
// one within the parent. just like above routine but
|
|
// takes a parent/offset instead of a node.
|
|
//
|
|
nsresult
|
|
nsHTMLEditor::GetNextHTMLSibling(nsIDOMNode *inParent, PRInt32 inOffset, nsCOMPtr<nsIDOMNode> *outNode)
|
|
{
|
|
if (!outNode || !inParent) return NS_ERROR_NULL_POINTER;
|
|
nsresult res = NS_OK;
|
|
*outNode = nsnull;
|
|
nsCOMPtr<nsIDOMNode> node = nsEditor::GetChildAt(inParent,inOffset);
|
|
if (!node) return NS_OK; // return null sibling if no sibling
|
|
if (IsEditable(node))
|
|
{
|
|
*outNode = node;
|
|
return res;
|
|
}
|
|
// else
|
|
return GetPriorHTMLSibling(node, outNode);
|
|
}
|
|
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// GetPriorHTMLNode: returns the previous editable leaf node, if there is
|
|
// one within the <body>
|
|
//
|
|
nsresult
|
|
nsHTMLEditor::GetPriorHTMLNode(nsIDOMNode *inNode, nsCOMPtr<nsIDOMNode> *outNode, PRBool bNoBlockCrossing)
|
|
{
|
|
if (!outNode) return NS_ERROR_NULL_POINTER;
|
|
nsresult res = GetPriorNode(inNode, PR_TRUE, address_of(*outNode), bNoBlockCrossing);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// if it's not in the body, then zero it out
|
|
if (*outNode && !nsTextEditUtils::InBody(*outNode, this))
|
|
{
|
|
*outNode = nsnull;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// GetPriorHTMLNode: same as above but takes {parent,offset} instead of node
|
|
//
|
|
nsresult
|
|
nsHTMLEditor::GetPriorHTMLNode(nsIDOMNode *inParent, PRInt32 inOffset, nsCOMPtr<nsIDOMNode> *outNode, PRBool bNoBlockCrossing)
|
|
{
|
|
if (!outNode) return NS_ERROR_NULL_POINTER;
|
|
nsresult res = GetPriorNode(inParent, inOffset, PR_TRUE, address_of(*outNode), bNoBlockCrossing);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// if it's not in the body, then zero it out
|
|
if (*outNode && !nsTextEditUtils::InBody(*outNode, this))
|
|
{
|
|
*outNode = nsnull;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// GetNextHTMLNode: returns the next editable leaf node, if there is
|
|
// one within the <body>
|
|
//
|
|
nsresult
|
|
nsHTMLEditor::GetNextHTMLNode(nsIDOMNode *inNode, nsCOMPtr<nsIDOMNode> *outNode, PRBool bNoBlockCrossing)
|
|
{
|
|
if (!outNode) return NS_ERROR_NULL_POINTER;
|
|
nsresult res = GetNextNode(inNode, PR_TRUE, address_of(*outNode), bNoBlockCrossing);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// if it's not in the body, then zero it out
|
|
if (*outNode && !nsTextEditUtils::InBody(*outNode, this))
|
|
{
|
|
*outNode = nsnull;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// GetNHTMLextNode: same as above but takes {parent,offset} instead of node
|
|
//
|
|
nsresult
|
|
nsHTMLEditor::GetNextHTMLNode(nsIDOMNode *inParent, PRInt32 inOffset, nsCOMPtr<nsIDOMNode> *outNode, PRBool bNoBlockCrossing)
|
|
{
|
|
if (!outNode) return NS_ERROR_NULL_POINTER;
|
|
nsresult res = GetNextNode(inParent, inOffset, PR_TRUE, address_of(*outNode), bNoBlockCrossing);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// if it's not in the body, then zero it out
|
|
if (*outNode && !nsTextEditUtils::InBody(*outNode, this))
|
|
{
|
|
*outNode = nsnull;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
|
|
nsresult
|
|
nsHTMLEditor::IsFirstEditableChild( nsIDOMNode *aNode, PRBool *aOutIsFirst)
|
|
{
|
|
// check parms
|
|
if (!aOutIsFirst || !aNode) return NS_ERROR_NULL_POINTER;
|
|
|
|
// init out parms
|
|
*aOutIsFirst = PR_FALSE;
|
|
|
|
// find first editable child and compare it to aNode
|
|
nsCOMPtr<nsIDOMNode> parent, firstChild;
|
|
nsresult res = aNode->GetParentNode(getter_AddRefs(parent));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!parent) return NS_ERROR_FAILURE;
|
|
res = GetFirstEditableChild(parent, address_of(firstChild));
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
*aOutIsFirst = (firstChild.get() == aNode);
|
|
return res;
|
|
}
|
|
|
|
|
|
nsresult
|
|
nsHTMLEditor::IsLastEditableChild( nsIDOMNode *aNode, PRBool *aOutIsLast)
|
|
{
|
|
// check parms
|
|
if (!aOutIsLast || !aNode) return NS_ERROR_NULL_POINTER;
|
|
|
|
// init out parms
|
|
*aOutIsLast = PR_FALSE;
|
|
|
|
// find last editable child and compare it to aNode
|
|
nsCOMPtr<nsIDOMNode> parent, lastChild;
|
|
nsresult res = aNode->GetParentNode(getter_AddRefs(parent));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!parent) return NS_ERROR_FAILURE;
|
|
res = GetLastEditableChild(parent, address_of(lastChild));
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
*aOutIsLast = (lastChild.get() == aNode);
|
|
return res;
|
|
}
|
|
|
|
|
|
nsresult
|
|
nsHTMLEditor::GetFirstEditableChild( nsIDOMNode *aNode, nsCOMPtr<nsIDOMNode> *aOutFirstChild)
|
|
{
|
|
// check parms
|
|
if (!aOutFirstChild || !aNode) return NS_ERROR_NULL_POINTER;
|
|
|
|
// init out parms
|
|
*aOutFirstChild = nsnull;
|
|
|
|
// find first editable child
|
|
nsCOMPtr<nsIDOMNode> child;
|
|
nsresult res = aNode->GetFirstChild(getter_AddRefs(child));
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
while (child && !IsEditable(child))
|
|
{
|
|
nsCOMPtr<nsIDOMNode> tmp;
|
|
res = child->GetNextSibling(getter_AddRefs(tmp));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!tmp) return NS_ERROR_FAILURE;
|
|
child = tmp;
|
|
}
|
|
|
|
*aOutFirstChild = child;
|
|
return res;
|
|
}
|
|
|
|
|
|
nsresult
|
|
nsHTMLEditor::GetLastEditableChild( nsIDOMNode *aNode, nsCOMPtr<nsIDOMNode> *aOutLastChild)
|
|
{
|
|
// check parms
|
|
if (!aOutLastChild || !aNode) return NS_ERROR_NULL_POINTER;
|
|
|
|
// init out parms
|
|
*aOutLastChild = aNode;
|
|
|
|
// find last editable child
|
|
nsCOMPtr<nsIDOMNode> child;
|
|
nsresult res = aNode->GetLastChild(getter_AddRefs(child));
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
while (child && !IsEditable(child))
|
|
{
|
|
nsCOMPtr<nsIDOMNode> tmp;
|
|
res = child->GetPreviousSibling(getter_AddRefs(tmp));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!tmp) return NS_ERROR_FAILURE;
|
|
child = tmp;
|
|
}
|
|
|
|
*aOutLastChild = child;
|
|
return res;
|
|
}
|
|
|
|
nsresult
|
|
nsHTMLEditor::GetFirstEditableLeaf( nsIDOMNode *aNode, nsCOMPtr<nsIDOMNode> *aOutFirstLeaf)
|
|
{
|
|
// check parms
|
|
if (!aOutFirstLeaf || !aNode) return NS_ERROR_NULL_POINTER;
|
|
|
|
// init out parms
|
|
*aOutFirstLeaf = aNode;
|
|
|
|
// find leftmost leaf
|
|
nsCOMPtr<nsIDOMNode> child;
|
|
nsresult res = NS_OK;
|
|
child = GetLeftmostChild(aNode);
|
|
while (child && (!IsEditable(child) || !nsHTMLEditUtils::IsLeafNode(child)))
|
|
{
|
|
nsCOMPtr<nsIDOMNode> tmp;
|
|
res = GetNextHTMLNode(child, address_of(tmp));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!tmp) return NS_ERROR_FAILURE;
|
|
|
|
// only accept nodes that are descendants of aNode
|
|
if (nsHTMLEditUtils::IsDescendantOf(tmp, aNode))
|
|
child = tmp;
|
|
else
|
|
{
|
|
child = nsnull; // this will abort the loop
|
|
}
|
|
}
|
|
|
|
*aOutFirstLeaf = child;
|
|
return res;
|
|
}
|
|
|
|
|
|
nsresult
|
|
nsHTMLEditor::GetLastEditableLeaf( nsIDOMNode *aNode, nsCOMPtr<nsIDOMNode> *aOutLastLeaf)
|
|
{
|
|
// check parms
|
|
if (!aOutLastLeaf || !aNode) return NS_ERROR_NULL_POINTER;
|
|
|
|
// init out parms
|
|
*aOutLastLeaf = nsnull;
|
|
|
|
// find rightmost leaf
|
|
nsCOMPtr<nsIDOMNode> child;
|
|
nsresult res = NS_OK;
|
|
child = GetRightmostChild(aNode, PR_FALSE);
|
|
while (child && (!IsEditable(child) || !nsHTMLEditUtils::IsLeafNode(child)))
|
|
{
|
|
nsCOMPtr<nsIDOMNode> tmp;
|
|
res = GetPriorHTMLNode(child, address_of(tmp));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!tmp) return NS_ERROR_FAILURE;
|
|
|
|
// only accept nodes that are descendants of aNode
|
|
if (nsHTMLEditUtils::IsDescendantOf(tmp, aNode))
|
|
child = tmp;
|
|
else
|
|
{
|
|
child = nsnull;
|
|
}
|
|
}
|
|
|
|
*aOutLastLeaf = child;
|
|
return res;
|
|
}
|
|
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// IsVisTextNode: figure out if textnode aTextNode has any visible content.
|
|
//
|
|
nsresult
|
|
nsHTMLEditor::IsVisTextNode( nsIDOMNode *aNode,
|
|
PRBool *outIsEmptyNode,
|
|
PRBool aSafeToAskFrames)
|
|
{
|
|
if (!aNode || !outIsEmptyNode)
|
|
return NS_ERROR_NULL_POINTER;
|
|
*outIsEmptyNode = PR_TRUE;
|
|
nsresult res = NS_OK;
|
|
|
|
PRUint32 length = 0;
|
|
nsCOMPtr<nsIDOMCharacterData> nodeAsText = do_QueryInterface(aNode);
|
|
// callers job to only call us with text nodes
|
|
if (!nodeAsText)
|
|
return NS_ERROR_NULL_POINTER;
|
|
nodeAsText->GetLength(&length);
|
|
if (aSafeToAskFrames)
|
|
{
|
|
nsCOMPtr<nsISelectionController> selCon;
|
|
res = GetSelectionController(getter_AddRefs(selCon));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!selCon) return NS_ERROR_FAILURE;
|
|
PRBool isVisible = PR_FALSE;
|
|
// ask the selection controller for information about whether any
|
|
// of the data in the node is really rendered. This is really
|
|
// something that frames know about, but we aren't supposed to talk to frames.
|
|
// So we put a call in the selection controller interface, since it's already
|
|
// in bed with frames anyway. (this is a fix for bug 22227, and a
|
|
// partial fix for bug 46209)
|
|
res = selCon->CheckVisibility(aNode, 0, length, &isVisible);
|
|
if (NS_FAILED(res)) return res;
|
|
if (isVisible)
|
|
{
|
|
*outIsEmptyNode = PR_FALSE;
|
|
}
|
|
}
|
|
else if (length)
|
|
{
|
|
nsCOMPtr<nsITextContent> tc = do_QueryInterface(nodeAsText);
|
|
PRBool justWS = PR_FALSE;
|
|
tc->IsOnlyWhitespace(&justWS);
|
|
if (justWS)
|
|
{
|
|
nsWSRunObject wsRunObj(this, aNode, 0);
|
|
nsCOMPtr<nsIDOMNode> visNode;
|
|
PRInt32 outVisOffset=0;
|
|
PRInt16 visType=0;
|
|
res = wsRunObj.NextVisibleNode(aNode, 0, address_of(visNode), &outVisOffset, &visType);
|
|
if (NS_FAILED(res)) return res;
|
|
if ( (visType == nsWSRunObject::eNormalWS) ||
|
|
(visType == nsWSRunObject::eText) )
|
|
{
|
|
*outIsEmptyNode = (aNode != visNode);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
*outIsEmptyNode = PR_FALSE;
|
|
}
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// IsEmptyNode: figure out if aNode is an empty node.
|
|
// A block can have children and still be considered empty,
|
|
// if the children are empty or non-editable.
|
|
//
|
|
nsresult
|
|
nsHTMLEditor::IsEmptyNode( nsIDOMNode *aNode,
|
|
PRBool *outIsEmptyNode,
|
|
PRBool aSingleBRDoesntCount,
|
|
PRBool aListOrCellNotEmpty,
|
|
PRBool aSafeToAskFrames)
|
|
{
|
|
if (!aNode || !outIsEmptyNode) return NS_ERROR_NULL_POINTER;
|
|
*outIsEmptyNode = PR_TRUE;
|
|
PRBool seenBR = PR_FALSE;
|
|
return IsEmptyNodeImpl(aNode, outIsEmptyNode, aSingleBRDoesntCount,
|
|
aListOrCellNotEmpty, aSafeToAskFrames, &seenBR);
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// IsEmptyNodeImpl: workhorse for IsEmptyNode.
|
|
//
|
|
nsresult
|
|
nsHTMLEditor::IsEmptyNodeImpl( nsIDOMNode *aNode,
|
|
PRBool *outIsEmptyNode,
|
|
PRBool aSingleBRDoesntCount,
|
|
PRBool aListOrCellNotEmpty,
|
|
PRBool aSafeToAskFrames,
|
|
PRBool *aSeenBR)
|
|
{
|
|
if (!aNode || !outIsEmptyNode || !aSeenBR) return NS_ERROR_NULL_POINTER;
|
|
nsresult res = NS_OK;
|
|
|
|
if (nsEditor::IsTextNode(aNode))
|
|
{
|
|
res = IsVisTextNode(aNode, outIsEmptyNode, aSafeToAskFrames);
|
|
return res;
|
|
}
|
|
|
|
// if it's not a text node (handled above) and it's not a container,
|
|
// then we dont call it empty (it's an <hr>, or <br>, etc).
|
|
// Also, if it's an anchor then dont treat it as empty - even though
|
|
// anchors are containers, named anchors are "empty" but we don't
|
|
// want to treat them as such. Also, don't call ListItems or table
|
|
// cells empty if caller desires. Form Widgets not empty.
|
|
if (!IsContainer(aNode) || nsHTMLEditUtils::IsNamedAnchor(aNode) ||
|
|
nsHTMLEditUtils::IsFormWidget(aNode) ||
|
|
(aListOrCellNotEmpty && nsHTMLEditUtils::IsListItem(aNode)) ||
|
|
(aListOrCellNotEmpty && nsHTMLEditUtils::IsTableCell(aNode)) )
|
|
{
|
|
*outIsEmptyNode = PR_FALSE;
|
|
return NS_OK;
|
|
}
|
|
|
|
// need this for later
|
|
PRBool isListItemOrCell =
|
|
nsHTMLEditUtils::IsListItem(aNode) || nsHTMLEditUtils::IsTableCell(aNode);
|
|
|
|
// loop over children of node. if no children, or all children are either
|
|
// empty text nodes or non-editable, then node qualifies as empty
|
|
nsCOMPtr<nsIDOMNode> child;
|
|
aNode->GetFirstChild(getter_AddRefs(child));
|
|
|
|
while (child)
|
|
{
|
|
nsCOMPtr<nsIDOMNode> node = child;
|
|
// is the node editable and non-empty? if so, return false
|
|
if (nsEditor::IsEditable(node))
|
|
{
|
|
if (nsEditor::IsTextNode(node))
|
|
{
|
|
res = IsVisTextNode(node, outIsEmptyNode, aSafeToAskFrames);
|
|
if (NS_FAILED(res)) return res;
|
|
if (!*outIsEmptyNode) return NS_OK; // break out if we find we aren't emtpy
|
|
}
|
|
else // an editable, non-text node. we need to check it's content.
|
|
{
|
|
// is it the node we are iterating over?
|
|
if (node.get() == aNode) break;
|
|
else if (aSingleBRDoesntCount && !*aSeenBR && nsTextEditUtils::IsBreak(node))
|
|
{
|
|
// the first br in a block doesn't count if the caller so indicated
|
|
*aSeenBR = PR_TRUE;
|
|
}
|
|
else
|
|
{
|
|
// is it an empty node of some sort?
|
|
// note: list items or table cells are not considered empty
|
|
// if they contain other lists or tables
|
|
if (isListItemOrCell)
|
|
{
|
|
if (nsHTMLEditUtils::IsList(node) || nsHTMLEditUtils::IsTable(node))
|
|
{ // break out if we find we aren't emtpy
|
|
*outIsEmptyNode = PR_FALSE;
|
|
return NS_OK;
|
|
}
|
|
}
|
|
// is it a form widget?
|
|
else if (nsHTMLEditUtils::IsFormWidget(aNode))
|
|
{ // break out if we find we aren't emtpy
|
|
*outIsEmptyNode = PR_FALSE;
|
|
return NS_OK;
|
|
}
|
|
|
|
PRBool isEmptyNode;
|
|
res = IsEmptyNodeImpl(node, &isEmptyNode, aSingleBRDoesntCount,
|
|
aListOrCellNotEmpty, aSafeToAskFrames, aSeenBR);
|
|
if (NS_FAILED(res)) return res;
|
|
if (!isEmptyNode)
|
|
{
|
|
// otherwise it ain't empty
|
|
*outIsEmptyNode = PR_FALSE;
|
|
return NS_OK;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
node->GetNextSibling(getter_AddRefs(child));
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
// add to aElement the CSS inline styles corresponding to the HTML attribute
|
|
// aAttribute with its value aValue
|
|
nsresult
|
|
nsHTMLEditor::SetAttributeOrEquivalent(nsIDOMElement * aElement,
|
|
const nsAString & aAttribute,
|
|
const nsAString & aValue)
|
|
{
|
|
PRBool useCSS;
|
|
nsresult res = NS_OK;
|
|
GetIsCSSEnabled(&useCSS);
|
|
if (useCSS && mHTMLCSSUtils) {
|
|
PRInt32 count;
|
|
res = mHTMLCSSUtils->SetCSSEquivalentToHTMLStyle(aElement, nsnull, &aAttribute, &aValue, &count);
|
|
if (NS_FAILED(res)) return res;
|
|
if (count) {
|
|
// we found an equivalence ; let's remove the HTML attribute itself if it is set
|
|
nsAutoString existingValue;
|
|
PRBool wasSet = PR_FALSE;
|
|
res = GetAttributeValue(aElement, aAttribute, existingValue, &wasSet);
|
|
if (NS_FAILED(res)) return res;
|
|
if (wasSet) {
|
|
res = RemoveAttribute(aElement, aAttribute);
|
|
}
|
|
}
|
|
else {
|
|
// count is an integer that represents the number of CSS declarations applied to the
|
|
// element. If it is zero, we found no equivalence in this implementation for the
|
|
// attribute
|
|
if (aAttribute.Equals(NS_LITERAL_STRING("style"))) {
|
|
// if it is the style attribute, just add the new value to the existing style
|
|
// attribute's value
|
|
nsAutoString existingValue;
|
|
PRBool wasSet = PR_FALSE;
|
|
res = GetAttributeValue(aElement, NS_LITERAL_STRING("style"), existingValue, &wasSet);
|
|
if (NS_FAILED(res)) return res;
|
|
existingValue.Append(NS_LITERAL_STRING(" "));
|
|
existingValue.Append(aValue);
|
|
res = SetAttribute(aElement, aAttribute, existingValue);
|
|
}
|
|
else {
|
|
// we have no CSS equivalence for this attribute and it is not the style
|
|
// attribute; let's set it the good'n'old HTML way
|
|
res = SetAttribute(aElement, aAttribute, aValue);
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
// we are not in an HTML+CSS editor; let's set the attribute the HTML way
|
|
res = SetAttribute(aElement, aAttribute, aValue);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
nsresult
|
|
nsHTMLEditor::RemoveAttributeOrEquivalent(nsIDOMElement * aElement,
|
|
const nsAString & aAttribute)
|
|
{
|
|
PRBool useCSS;
|
|
nsresult res = NS_OK;
|
|
GetIsCSSEnabled(&useCSS);
|
|
if (useCSS && mHTMLCSSUtils) {
|
|
res = mHTMLCSSUtils->RemoveCSSEquivalentToHTMLStyle(aElement, nsnull, &aAttribute, nsnull);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
|
|
nsAutoString existingValue;
|
|
PRBool wasSet = PR_FALSE;
|
|
res = GetAttributeValue(aElement, aAttribute, existingValue, &wasSet);
|
|
if (NS_FAILED(res)) return res;
|
|
if (wasSet) {
|
|
res = RemoveAttribute(aElement, aAttribute);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
nsresult
|
|
nsHTMLEditor::SetIsCSSEnabled(PRBool aIsCSSPrefChecked)
|
|
{
|
|
nsresult err = NS_ERROR_NOT_INITIALIZED;
|
|
if (mHTMLCSSUtils)
|
|
{
|
|
err = mHTMLCSSUtils->SetCSSEnabled(aIsCSSPrefChecked);
|
|
}
|
|
return err;
|
|
}
|
|
|
|
// Set the block background color
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::SetCSSBackgroundColor(const nsAString& aColor)
|
|
{
|
|
if (!mRules) { return NS_ERROR_NOT_INITIALIZED; }
|
|
ForceCompositionEnd();
|
|
|
|
nsresult res;
|
|
nsCOMPtr<nsISelection>selection;
|
|
res = GetSelection(getter_AddRefs(selection));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!selection) return NS_ERROR_NULL_POINTER;
|
|
nsCOMPtr<nsISelectionPrivate> selPriv(do_QueryInterface(selection));
|
|
|
|
PRBool isCollapsed;
|
|
selection->GetIsCollapsed(&isCollapsed);
|
|
|
|
nsAutoEditBatch batchIt(this);
|
|
nsAutoRules beginRulesSniffing(this, kOpInsertElement, nsIEditor::eNext);
|
|
nsAutoSelectionReset selectionResetter(selection, this);
|
|
nsAutoTxnsConserveSelection dontSpazMySelection(this);
|
|
|
|
PRBool cancel, handled;
|
|
nsTextRulesInfo ruleInfo(nsTextEditRules::kSetTextProperty);
|
|
res = mRules->WillDoAction(selection, &ruleInfo, &cancel, &handled);
|
|
if (NS_FAILED(res)) return res;
|
|
if (!cancel && !handled)
|
|
{
|
|
// get selection range enumerator
|
|
nsCOMPtr<nsIEnumerator> enumerator;
|
|
res = selPriv->GetEnumerator(getter_AddRefs(enumerator));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!enumerator) return NS_ERROR_FAILURE;
|
|
|
|
// loop thru the ranges in the selection
|
|
enumerator->First();
|
|
nsCOMPtr<nsISupports> currentItem;
|
|
nsAutoString bgcolor; bgcolor.AssignWithConversion("bgcolor");
|
|
nsCOMPtr<nsIDOMNode> cachedBlockParent = nsnull;
|
|
while ((NS_ENUMERATOR_FALSE == enumerator->IsDone()))
|
|
{
|
|
res = enumerator->CurrentItem(getter_AddRefs(currentItem));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!currentItem) return NS_ERROR_FAILURE;
|
|
|
|
nsCOMPtr<nsIDOMRange> range( do_QueryInterface(currentItem) );
|
|
|
|
// check for easy case: both range endpoints in same text node
|
|
nsCOMPtr<nsIDOMNode> startNode, endNode;
|
|
PRInt32 startOffset, endOffset;
|
|
res = range->GetStartContainer(getter_AddRefs(startNode));
|
|
if (NS_FAILED(res)) return res;
|
|
res = range->GetEndContainer(getter_AddRefs(endNode));
|
|
if (NS_FAILED(res)) return res;
|
|
res = range->GetStartOffset(&startOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
res = range->GetEndOffset(&endOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
if ((startNode == endNode) && IsTextNode(startNode))
|
|
{
|
|
// let's find the block container of the text node
|
|
nsCOMPtr<nsIDOMNode> blockParent;
|
|
blockParent = GetBlockNodeParent(startNode);
|
|
// and apply the background color to that block container
|
|
if (cachedBlockParent != blockParent)
|
|
{
|
|
cachedBlockParent = blockParent;
|
|
nsCOMPtr<nsIDOMElement> element = do_QueryInterface(blockParent);
|
|
PRInt32 count;
|
|
res = mHTMLCSSUtils->SetCSSEquivalentToHTMLStyle(element, nsnull, &bgcolor, &aColor, &count);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
}
|
|
else if ((startNode == endNode) && nsTextEditUtils::IsBody(startNode) && isCollapsed)
|
|
{
|
|
// we have no block in the document, let's apply the background to the body
|
|
nsCOMPtr<nsIDOMElement> element = do_QueryInterface(startNode);
|
|
PRInt32 count;
|
|
res = mHTMLCSSUtils->SetCSSEquivalentToHTMLStyle(element, nsnull, &bgcolor, &aColor, &count);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
else if ((startNode == endNode) && (((endOffset-startOffset) == 1) || (!startOffset && !endOffset)))
|
|
{
|
|
// a unique node is selected, let's also apply the background color
|
|
// to the containing block, possibly the node itself
|
|
nsCOMPtr<nsIDOMNode> selectedNode = GetChildAt(startNode, startOffset);
|
|
PRBool isBlock =PR_FALSE;
|
|
res = NodeIsBlockStatic(selectedNode, &isBlock);
|
|
if (NS_FAILED(res)) return res;
|
|
nsCOMPtr<nsIDOMNode> blockParent = selectedNode;
|
|
if (!isBlock) {
|
|
blockParent = GetBlockNodeParent(selectedNode);
|
|
}
|
|
if (cachedBlockParent != blockParent)
|
|
{
|
|
cachedBlockParent = blockParent;
|
|
nsCOMPtr<nsIDOMElement> element = do_QueryInterface(blockParent);
|
|
PRInt32 count;
|
|
res = mHTMLCSSUtils->SetCSSEquivalentToHTMLStyle(element, nsnull, &bgcolor, &aColor, &count);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// not the easy case. range not contained in single text node.
|
|
// there are up to three phases here. There are all the nodes
|
|
// reported by the subtree iterator to be processed. And there
|
|
// are potentially a starting textnode and an ending textnode
|
|
// which are only partially contained by the range.
|
|
|
|
// lets handle the nodes reported by the iterator. These nodes
|
|
// are entirely contained in the selection range. We build up
|
|
// a list of them (since doing operations on the document during
|
|
// iteration would perturb the iterator).
|
|
|
|
nsCOMPtr<nsIContentIterator> iter;
|
|
res = nsComponentManager::CreateInstance(kSubtreeIteratorCID, nsnull,
|
|
NS_GET_IID(nsIContentIterator),
|
|
getter_AddRefs(iter));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!iter) return NS_ERROR_FAILURE;
|
|
|
|
nsCOMPtr<nsISupportsArray> arrayOfNodes;
|
|
nsCOMPtr<nsIContent> content;
|
|
nsCOMPtr<nsIDOMNode> node;
|
|
nsCOMPtr<nsISupports> isupports;
|
|
|
|
// make a array
|
|
res = NS_NewISupportsArray(getter_AddRefs(arrayOfNodes));
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// iterate range and build up array
|
|
res = iter->Init(range);
|
|
// init returns an error if no nodes in range.
|
|
// this can easily happen with the subtree
|
|
// iterator if the selection doesn't contain
|
|
// any *whole* nodes.
|
|
if (NS_SUCCEEDED(res))
|
|
{
|
|
while (NS_ENUMERATOR_FALSE == iter->IsDone())
|
|
{
|
|
res = iter->CurrentNode(getter_AddRefs(content));
|
|
if (NS_FAILED(res)) return res;
|
|
node = do_QueryInterface(content);
|
|
if (!node) return NS_ERROR_FAILURE;
|
|
if (IsEditable(node))
|
|
{
|
|
isupports = do_QueryInterface(node);
|
|
arrayOfNodes->AppendElement(isupports);
|
|
}
|
|
res = iter->Next();
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
}
|
|
// first check the start parent of the range to see if it needs to
|
|
// be seperately handled (it does if it's a text node, due to how the
|
|
// subtree iterator works - it will not have reported it).
|
|
if (IsTextNode(startNode) && IsEditable(startNode))
|
|
{
|
|
nsCOMPtr<nsIDOMNode> blockParent;
|
|
blockParent = GetBlockNodeParent(startNode);
|
|
if (cachedBlockParent != blockParent)
|
|
{
|
|
cachedBlockParent = blockParent;
|
|
nsCOMPtr<nsIDOMElement> element = do_QueryInterface(blockParent);
|
|
PRInt32 count;
|
|
res = mHTMLCSSUtils->SetCSSEquivalentToHTMLStyle(element, nsnull, &bgcolor, &aColor, &count);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
}
|
|
|
|
// then loop through the list, set the property on each node
|
|
PRUint32 listCount;
|
|
PRUint32 j;
|
|
arrayOfNodes->Count(&listCount);
|
|
for (j = 0; j < listCount; j++)
|
|
{
|
|
isupports = dont_AddRef(arrayOfNodes->ElementAt(0));
|
|
node = do_QueryInterface(isupports);
|
|
// do we have a block here ?
|
|
PRBool isBlock =PR_FALSE;
|
|
res = NodeIsBlockStatic(node, &isBlock);
|
|
if (NS_FAILED(res)) return res;
|
|
nsCOMPtr<nsIDOMNode> blockParent = node;
|
|
if (!isBlock) {
|
|
// no we don't, let's find the block ancestor
|
|
blockParent = GetBlockNodeParent(node);
|
|
}
|
|
if (cachedBlockParent != blockParent)
|
|
{
|
|
cachedBlockParent = blockParent;
|
|
nsCOMPtr<nsIDOMElement> element = do_QueryInterface(blockParent);
|
|
PRInt32 count;
|
|
// and set the property on it
|
|
res = mHTMLCSSUtils->SetCSSEquivalentToHTMLStyle(element, nsnull, &bgcolor, &aColor, &count);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
arrayOfNodes->RemoveElementAt(0);
|
|
}
|
|
|
|
// last check the end parent of the range to see if it needs to
|
|
// be seperately handled (it does if it's a text node, due to how the
|
|
// subtree iterator works - it will not have reported it).
|
|
if (IsTextNode(endNode) && IsEditable(endNode))
|
|
{
|
|
nsCOMPtr<nsIDOMNode> blockParent;
|
|
blockParent = GetBlockNodeParent(endNode);
|
|
if (cachedBlockParent != blockParent)
|
|
{
|
|
cachedBlockParent = blockParent;
|
|
nsCOMPtr<nsIDOMElement> element = do_QueryInterface(blockParent);
|
|
PRInt32 count;
|
|
res = mHTMLCSSUtils->SetCSSEquivalentToHTMLStyle(element, nsnull, &bgcolor, &aColor, &count);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
}
|
|
}
|
|
enumerator->Next();
|
|
}
|
|
}
|
|
if (!cancel)
|
|
{
|
|
// post-process
|
|
res = mRules->DidDoAction(selection, &ruleInfo, res);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::SetBackgroundColor(const nsAString& aColor)
|
|
{
|
|
nsresult res;
|
|
PRBool useCSS;
|
|
GetIsCSSEnabled(&useCSS);
|
|
if (useCSS) {
|
|
// if we are in CSS mode, we have to apply the background color to the
|
|
// containing block (or the body if we have no block-level element in
|
|
// the document)
|
|
res = SetCSSBackgroundColor(aColor);
|
|
}
|
|
else {
|
|
// but in HTML mode, we can only set the document's background color
|
|
res = SetHTMLBackgroundColor(aColor);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// NodesSameType: do these nodes have the same tag?
|
|
//
|
|
PRBool
|
|
nsHTMLEditor::NodesSameType(nsIDOMNode *aNode1, nsIDOMNode *aNode2)
|
|
{
|
|
if (!aNode1 || !aNode2)
|
|
{
|
|
NS_NOTREACHED("null node passed to nsEditor::NodesSameType()");
|
|
return PR_FALSE;
|
|
}
|
|
|
|
PRBool useCSS;
|
|
GetIsCSSEnabled(&useCSS);
|
|
|
|
nsCOMPtr<nsIAtom> atom1 = GetTag(aNode1);
|
|
nsCOMPtr<nsIAtom> atom2 = GetTag(aNode2);
|
|
|
|
if (atom1.get() == atom2.get()) {
|
|
if (useCSS && NodeIsType(aNode1, NS_LITERAL_STRING("span"))) {
|
|
if (mHTMLCSSUtils->ElementsSameStyle(aNode1, aNode2)) {
|
|
return PR_TRUE;
|
|
}
|
|
}
|
|
else {
|
|
return PR_TRUE;
|
|
}
|
|
}
|
|
return PR_FALSE;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::ParseStyleAttrIntoCSSRule(const nsAString& aString,
|
|
nsIDOMCSSStyleRule **_retval)
|
|
{
|
|
nsCOMPtr<nsIDOMDocument> domdoc;
|
|
nsEditor::GetDocument(getter_AddRefs(domdoc));
|
|
if (!domdoc)
|
|
return NS_ERROR_UNEXPECTED;
|
|
|
|
nsCOMPtr<nsIDocument> doc (do_QueryInterface(domdoc));
|
|
if (!doc)
|
|
return NS_ERROR_UNEXPECTED;
|
|
nsCOMPtr <nsIURI> docURL;
|
|
doc->GetBaseURL(*getter_AddRefs(docURL));
|
|
nsCOMPtr<nsICSSParser> css;
|
|
nsCOMPtr<nsIStyleRule> mRule;
|
|
nsComponentManager::CreateInstance(kCSSParserCID,
|
|
nsnull,
|
|
NS_GET_IID(nsICSSParser),
|
|
getter_AddRefs(css));
|
|
NS_ASSERTION(css, "can't get a css parser");
|
|
if (!css) return NS_ERROR_NULL_POINTER;
|
|
|
|
//nsAutoString value(aString);
|
|
css->ParseStyleAttribute(aString, docURL, getter_AddRefs(mRule));
|
|
nsCOMPtr<nsIDOMCSSStyleRule> styleRule = do_QueryInterface(mRule);
|
|
if (styleRule) {
|
|
*_retval = styleRule;
|
|
NS_ADDREF(*_retval);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::CopyLastEditableChildStyles(nsIDOMNode * aPreviousBlock, nsIDOMNode * aNewBlock,
|
|
nsIDOMNode **aOutBrNode)
|
|
{
|
|
*aOutBrNode = nsnull;
|
|
nsCOMPtr<nsIDOMNode> child, tmp;
|
|
nsresult res;
|
|
// first, clear out aNewBlock. Contract is that we want only the styles from previousBlock.
|
|
res = aNewBlock->GetFirstChild(getter_AddRefs(child));
|
|
while (NS_SUCCEEDED(res) && child)
|
|
{
|
|
res = DeleteNode(child);
|
|
if (NS_FAILED(res)) return res;
|
|
res = aNewBlock->GetFirstChild(getter_AddRefs(child));
|
|
}
|
|
// now find and clone the styles
|
|
child = aPreviousBlock;
|
|
tmp = aPreviousBlock;
|
|
while (tmp) {
|
|
child = tmp;
|
|
res = GetLastEditableChild(child, address_of(tmp));
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
while (child && nsTextEditUtils::IsBreak(child)) {
|
|
nsCOMPtr<nsIDOMNode> priorNode;
|
|
res = GetPriorHTMLNode(child, address_of(priorNode));
|
|
if (NS_FAILED(res)) return res;
|
|
child = priorNode;
|
|
}
|
|
nsCOMPtr<nsIDOMNode> newStyles = nsnull, deepestStyle = nsnull;
|
|
while (child && (child != aPreviousBlock)) {
|
|
if (nsTextEditUtils::NodeIsType(child, NS_LITERAL_STRING("b")) ||
|
|
nsTextEditUtils::NodeIsType(child, NS_LITERAL_STRING("i")) ||
|
|
nsTextEditUtils::NodeIsType(child, NS_LITERAL_STRING("u")) ||
|
|
nsTextEditUtils::NodeIsType(child, NS_LITERAL_STRING("tt")) ||
|
|
nsTextEditUtils::NodeIsType(child, NS_LITERAL_STRING("s")) ||
|
|
nsTextEditUtils::NodeIsType(child, NS_LITERAL_STRING("strike")) ||
|
|
nsTextEditUtils::NodeIsType(child, NS_LITERAL_STRING("big")) ||
|
|
nsTextEditUtils::NodeIsType(child, NS_LITERAL_STRING("small")) ||
|
|
nsTextEditUtils::NodeIsType(child, NS_LITERAL_STRING("blink")) ||
|
|
nsTextEditUtils::NodeIsType(child, NS_LITERAL_STRING("sub")) ||
|
|
nsTextEditUtils::NodeIsType(child, NS_LITERAL_STRING("sup")) ||
|
|
nsTextEditUtils::NodeIsType(child, NS_LITERAL_STRING("font")) ||
|
|
nsTextEditUtils::NodeIsType(child, NS_LITERAL_STRING("span"))) {
|
|
nsAutoString domTagName;
|
|
child->GetNodeName(domTagName);
|
|
ToLowerCase(domTagName);
|
|
if (newStyles) {
|
|
nsCOMPtr<nsIDOMNode> newContainer;
|
|
res = InsertContainerAbove(newStyles, address_of(newContainer), domTagName);
|
|
if (NS_FAILED(res)) return res;
|
|
newStyles = newContainer;
|
|
}
|
|
else {
|
|
res = CreateNode(domTagName, aNewBlock, 0, getter_AddRefs(newStyles));
|
|
if (NS_FAILED(res)) return res;
|
|
deepestStyle = newStyles;
|
|
}
|
|
res = CloneAttributes(newStyles, child);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
nsCOMPtr<nsIDOMNode> tmp;
|
|
res = child->GetParentNode(getter_AddRefs(tmp));
|
|
if (NS_FAILED(res)) return res;
|
|
child = tmp;
|
|
}
|
|
if (deepestStyle) {
|
|
nsCOMPtr<nsIDOMNode> outBRNode;
|
|
res = CreateBR(deepestStyle, 0, address_of(outBRNode));
|
|
if (NS_FAILED(res)) return res;
|
|
// Getters must addref
|
|
*aOutBrNode = outBRNode;
|
|
NS_ADDREF(*aOutBrNode);
|
|
}
|
|
return NS_OK;
|
|
}
|