mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-01 22:55:23 +00:00
1562 lines
53 KiB
C++
1562 lines
53 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: MPL 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 Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the 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 Netscape Communications Corporation.
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* Portions created by Netscape Communications Corporation are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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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 of the GNU General Public License Version 2 or later (the "GPL"),
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* or 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 MPL, 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 LGPL or the GPL. 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 MPL, 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 "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 "nsIDOMText.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 "nsIDOMHTMLImageElement.h"
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#include "nsISelectionController.h"
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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 "nsIStyleSet.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 "TypeInState.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 "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 "nsIParser.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 "nsISupportsPrimitives.h"
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#include "InsertTextTxn.h"
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// Transactionas
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#include "PlaceholderTxn.h"
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#include "nsStyleSheetTxns.h"
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// Misc
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#include "nsEditorUtils.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_CID(kCDOMSelectionCID, NS_DOMSELECTION_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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NS_IMETHODIMP nsHTMLEditor::SetInlineProperty(nsIAtom *aProperty,
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const nsAReadableString & aAttribute,
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const nsAReadableString & aValue)
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{
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if (!aProperty) { return NS_ERROR_NULL_POINTER; }
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if (!mRules) { return NS_ERROR_NOT_INITIALIZED; }
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ForceCompositionEnd();
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nsresult res;
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nsCOMPtr<nsISelection>selection;
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res = GetSelection(getter_AddRefs(selection));
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if (NS_FAILED(res)) return res;
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if (!selection) return NS_ERROR_NULL_POINTER;
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nsCOMPtr<nsISelectionPrivate> selPriv(do_QueryInterface(selection));
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PRBool isCollapsed;
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selection->GetIsCollapsed(&isCollapsed);
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if (isCollapsed)
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{
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// manipulating text attributes on a collapsed selection only sets state for the next text insertion
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nsString tAttr(aAttribute);//MJUDGE SCC NEED HELP
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nsString tVal(aValue);//MJUDGE SCC NEED HELP
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return mTypeInState->SetProp(aProperty, tAttr, tVal);
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}
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nsAutoEditBatch batchIt(this);
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nsAutoRules beginRulesSniffing(this, kOpInsertElement, nsIEditor::eNext);
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nsAutoSelectionReset selectionResetter(selection, this);
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nsAutoTxnsConserveSelection dontSpazMySelection(this);
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PRBool cancel, handled;
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nsTextRulesInfo ruleInfo(nsTextEditRules::kSetTextProperty);
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res = mRules->WillDoAction(selection, &ruleInfo, &cancel, &handled);
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if (NS_FAILED(res)) return res;
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if (!cancel && !handled)
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{
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// get selection range enumerator
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nsCOMPtr<nsIEnumerator> enumerator;
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res = selPriv->GetEnumerator(getter_AddRefs(enumerator));
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if (NS_FAILED(res)) return res;
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if (!enumerator) return NS_ERROR_FAILURE;
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// loop thru the ranges in the selection
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enumerator->First();
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nsCOMPtr<nsISupports> currentItem;
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while ((NS_ENUMERATOR_FALSE == enumerator->IsDone()))
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{
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res = enumerator->CurrentItem(getter_AddRefs(currentItem));
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if (NS_FAILED(res)) return res;
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if (!currentItem) return NS_ERROR_FAILURE;
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nsCOMPtr<nsIDOMRange> range( do_QueryInterface(currentItem) );
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// adjust range to include any ancestors who's children are entirely selected
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res = PromoteInlineRange(range);
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if (NS_FAILED(res)) return res;
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// check for easy case: both range endpoints in same text node
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nsCOMPtr<nsIDOMNode> startNode, endNode;
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res = range->GetStartContainer(getter_AddRefs(startNode));
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if (NS_FAILED(res)) return res;
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res = range->GetEndContainer(getter_AddRefs(endNode));
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if (NS_FAILED(res)) return res;
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if ((startNode == endNode) && IsTextNode(startNode))
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{
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PRInt32 startOffset, endOffset;
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range->GetStartOffset(&startOffset);
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range->GetEndOffset(&endOffset);
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nsCOMPtr<nsIDOMCharacterData> nodeAsText = do_QueryInterface(startNode);
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res = SetInlinePropertyOnTextNode(nodeAsText, startOffset, endOffset, aProperty, &aAttribute, &aValue);
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if (NS_FAILED(res)) return res;
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}
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else
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{
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// not the easy case. range not contained in single text node.
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// there are up to three phases here. There are all the nodes
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// reported by the subtree iterator to be processed. And there
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// are potentially a starting textnode and an ending textnode
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// which are only partially contained by the range.
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// lets handle the nodes reported by the iterator. These nodes
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// are entirely contained in the selection range. We build up
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// a list of them (since doing operations on the document during
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// iteration would perturb the iterator).
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nsCOMPtr<nsIContentIterator> iter;
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res = nsComponentManager::CreateInstance(kSubtreeIteratorCID, nsnull,
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NS_GET_IID(nsIContentIterator),
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getter_AddRefs(iter));
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if (NS_FAILED(res)) return res;
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if (!iter) return NS_ERROR_FAILURE;
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nsCOMPtr<nsISupportsArray> arrayOfNodes;
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nsCOMPtr<nsIContent> content;
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nsCOMPtr<nsIDOMNode> node;
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nsCOMPtr<nsISupports> isupports;
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// make a array
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res = NS_NewISupportsArray(getter_AddRefs(arrayOfNodes));
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if (NS_FAILED(res)) return res;
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// iterate range and build up array
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res = iter->Init(range);
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// init returns an error if no nodes in range.
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// this can easily happen with the subtree
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// iterator if the selection doesn't contain
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// any *whole* nodes.
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if (NS_SUCCEEDED(res))
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{
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while (NS_ENUMERATOR_FALSE == iter->IsDone())
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{
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res = iter->CurrentNode(getter_AddRefs(content));
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if (NS_FAILED(res)) return res;
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node = do_QueryInterface(content);
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if (!node) return NS_ERROR_FAILURE;
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if (IsEditable(node))
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{
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isupports = do_QueryInterface(node);
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arrayOfNodes->AppendElement(isupports);
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}
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res = iter->Next();
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if (NS_FAILED(res)) return res;
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}
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}
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// first check the start parent of the range to see if it needs to
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// be seperately handled (it does if it's a text node, due to how the
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// subtree iterator works - it will not have reported it).
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if (IsTextNode(startNode) && IsEditable(startNode))
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{
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nsCOMPtr<nsIDOMCharacterData> nodeAsText = do_QueryInterface(startNode);
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PRInt32 startOffset;
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PRUint32 textLen;
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range->GetStartOffset(&startOffset);
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nodeAsText->GetLength(&textLen);
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res = SetInlinePropertyOnTextNode(nodeAsText, startOffset, textLen, aProperty, &aAttribute, &aValue);
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if (NS_FAILED(res)) return res;
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}
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// then loop through the list, set the property on each node
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PRUint32 listCount;
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PRUint32 j;
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arrayOfNodes->Count(&listCount);
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for (j = 0; j < listCount; j++)
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{
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isupports = dont_AddRef(arrayOfNodes->ElementAt(0));
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node = do_QueryInterface(isupports);
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res = SetInlinePropertyOnNode(node, aProperty, &aAttribute, &aValue);
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if (NS_FAILED(res)) return res;
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arrayOfNodes->RemoveElementAt(0);
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}
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// last check the end parent of the range to see if it needs to
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// be seperately handled (it does if it's a text node, due to how the
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// subtree iterator works - it will not have reported it).
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if (IsTextNode(endNode) && IsEditable(endNode))
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{
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nsCOMPtr<nsIDOMCharacterData> nodeAsText = do_QueryInterface(endNode);
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PRInt32 endOffset;
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range->GetEndOffset(&endOffset);
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res = SetInlinePropertyOnTextNode(nodeAsText, 0, endOffset, aProperty, &aAttribute, &aValue);
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if (NS_FAILED(res)) return res;
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}
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}
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enumerator->Next();
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}
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}
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if (!cancel)
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{
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// post-process
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res = mRules->DidDoAction(selection, &ruleInfo, res);
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}
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return res;
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}
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nsresult
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nsHTMLEditor::SetInlinePropertyOnTextNode( nsIDOMCharacterData *aTextNode,
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PRInt32 aStartOffset,
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PRInt32 aEndOffset,
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nsIAtom *aProperty,
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const nsAReadableString *aAttribute,
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const nsAReadableString *aValue)
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{
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if (!aTextNode) return NS_ERROR_NULL_POINTER;
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// dont need to do anything if no characters actually selected
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if (aStartOffset == aEndOffset) return NS_OK;
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nsresult res = NS_OK;
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nsCOMPtr<nsIDOMNode> tmp, node = do_QueryInterface(aTextNode);
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// dont need to do anything if property already set on node
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PRBool bHasProp;
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nsCOMPtr<nsIDOMNode> styleNode;
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IsTextPropertySetByContent(node, aProperty, aAttribute, aValue, bHasProp, getter_AddRefs(styleNode));
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if (bHasProp) return NS_OK;
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// do we need to split the text node?
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PRUint32 textLen;
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aTextNode->GetLength(&textLen);
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if ( (PRUint32)aEndOffset != textLen )
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{
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// we need to split off back of text node
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res = SplitNode(node, aEndOffset, getter_AddRefs(tmp));
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if (NS_FAILED(res)) return res;
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node = tmp; // remember left node
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}
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if ( aStartOffset )
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{
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// we need to split off front of text node
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res = SplitNode(node, aStartOffset, getter_AddRefs(tmp));
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if (NS_FAILED(res)) return res;
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}
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// reparent the node inside inline node with appropriate {attribute,value}
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res = SetInlinePropertyOnNode(node, aProperty, aAttribute, aValue);
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return res;
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}
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nsresult
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nsHTMLEditor::SetInlinePropertyOnNode( nsIDOMNode *aNode,
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nsIAtom *aProperty,
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const nsAReadableString *aAttribute,
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const nsAReadableString *aValue)
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{
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if (!aNode || !aProperty) return NS_ERROR_NULL_POINTER;
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nsresult res = NS_OK;
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nsCOMPtr<nsIDOMNode> tmp;
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nsAutoString tag;
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aProperty->ToString(tag);
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tag.ToLowerCase();
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// dont need to do anything if property already set on node
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PRBool bHasProp;
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nsCOMPtr<nsIDOMNode> styleNode;
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IsTextPropertySetByContent(aNode, aProperty, aAttribute, aValue, bHasProp, getter_AddRefs(styleNode));
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if (bHasProp) return NS_OK;
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// is it already the right kind of node, but with wrong attribute?
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if (NodeIsType(aNode, aProperty))
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{
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// just set the attribute on it.
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// but first remove any contrary style in it's children.
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res = RemoveStyleInside(aNode, aProperty, aAttribute, PR_TRUE);
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if (NS_FAILED(res)) return res;
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nsCOMPtr<nsIDOMElement> elem = do_QueryInterface(aNode);
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return SetAttribute(elem, *aAttribute, *aValue);
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}
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// can it be put inside inline node?
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if (TagCanContain(tag, aNode))
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{
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nsCOMPtr<nsIDOMNode> priorNode, nextNode;
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// is either of it's neighbors the right kind of node?
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GetPriorHTMLSibling(aNode, address_of(priorNode));
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GetNextHTMLSibling(aNode, address_of(nextNode));
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if (priorNode && NodeIsType(priorNode, aProperty) &&
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HasAttrVal(priorNode, aAttribute, aValue) &&
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IsOnlyAttribute(priorNode, aAttribute) )
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{
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// previous sib is already right kind of inline node; slide this over into it
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res = MoveNode(aNode, priorNode, -1);
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}
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else if (nextNode && NodeIsType(nextNode, aProperty) &&
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HasAttrVal(nextNode, aAttribute, aValue) &&
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IsOnlyAttribute(priorNode, aAttribute) )
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{
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// following sib is already right kind of inline node; slide this over into it
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res = MoveNode(aNode, nextNode, 0);
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}
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else
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{
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// ok, chuck it in it's very own container
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res = InsertContainerAbove(aNode, address_of(tmp), tag, aAttribute, aValue);
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}
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if (NS_FAILED(res)) return res;
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return RemoveStyleInside(aNode, aProperty, aAttribute);
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}
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// none of the above? then cycle through the children.
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nsCOMPtr<nsIDOMNodeList> childNodes;
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res = aNode->GetChildNodes(getter_AddRefs(childNodes));
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if (NS_FAILED(res)) return res;
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if (childNodes)
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{
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PRInt32 j;
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PRUint32 childCount;
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childNodes->GetLength(&childCount);
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if (childCount)
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{
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nsCOMPtr<nsISupportsArray> arrayOfNodes;
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nsCOMPtr<nsIDOMNode> node;
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nsCOMPtr<nsISupports> isupports;
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// make a array
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res = NS_NewISupportsArray(getter_AddRefs(arrayOfNodes));
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if (NS_FAILED(res)) return res;
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// populate the list
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for (j=0 ; j < (PRInt32)childCount; j++)
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{
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nsCOMPtr<nsIDOMNode> childNode;
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res = childNodes->Item(j, getter_AddRefs(childNode));
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if ((NS_SUCCEEDED(res)) && (childNode) && IsEditable(childNode))
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{
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isupports = do_QueryInterface(childNode);
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arrayOfNodes->AppendElement(isupports);
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|
}
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|
}
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|
|
// then loop through the list, set the property on each node
|
|
PRUint32 listCount;
|
|
arrayOfNodes->Count(&listCount);
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|
for (j = 0; j < (PRInt32)listCount; j++)
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|
{
|
|
isupports = dont_AddRef(arrayOfNodes->ElementAt(0));
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|
node = do_QueryInterface(isupports);
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res = SetInlinePropertyOnNode(node, aProperty, aAttribute, aValue);
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if (NS_FAILED(res)) return res;
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arrayOfNodes->RemoveElementAt(0);
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}
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}
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}
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return res;
|
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}
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nsresult nsHTMLEditor::SplitStyleAboveRange(nsIDOMRange *inRange,
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nsIAtom *aProperty,
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const nsAReadableString *aAttribute)
|
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{
|
|
if (!inRange) return NS_ERROR_NULL_POINTER;
|
|
nsresult res;
|
|
nsCOMPtr<nsIDOMNode> startNode, endNode, origStartNode;
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|
PRInt32 startOffset, endOffset, origStartOffset;
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|
res = inRange->GetStartContainer(getter_AddRefs(startNode));
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|
if (NS_FAILED(res)) return res;
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|
res = inRange->GetStartOffset(&startOffset);
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|
if (NS_FAILED(res)) return res;
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|
res = inRange->GetEndContainer(getter_AddRefs(endNode));
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|
if (NS_FAILED(res)) return res;
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|
res = inRange->GetEndOffset(&endOffset);
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|
if (NS_FAILED(res)) return res;
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|
origStartNode = startNode;
|
|
origStartOffset = startOffset;
|
|
PRBool sameNode = (startNode==endNode);
|
|
|
|
// split any matching style nodes above the start of range
|
|
res = SplitStyleAbovePoint(address_of(startNode), &startOffset, aProperty, aAttribute);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
if (sameNode && (startNode != origStartNode))
|
|
{
|
|
// our startNode got split. This changes the offset of the end of our range.
|
|
endOffset -= origStartOffset;
|
|
}
|
|
|
|
// second verse, same as the first...
|
|
res = SplitStyleAbovePoint(address_of(endNode), &endOffset, aProperty, aAttribute);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// reset the range
|
|
res = inRange->SetStart(startNode, startOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
res = inRange->SetEnd(endNode, endOffset);
|
|
return res;
|
|
}
|
|
|
|
nsresult nsHTMLEditor::SplitStyleAbovePoint(nsCOMPtr<nsIDOMNode> *aNode,
|
|
PRInt32 *aOffset,
|
|
nsIAtom *aProperty, // null here means we split all properties
|
|
const nsAReadableString *aAttribute,
|
|
nsCOMPtr<nsIDOMNode> *outLeftNode,
|
|
nsCOMPtr<nsIDOMNode> *outRightNode)
|
|
{
|
|
if (!aNode || !*aNode || !aOffset) return NS_ERROR_NULL_POINTER;
|
|
if (outLeftNode) *outLeftNode = nsnull;
|
|
if (outRightNode) *outRightNode = nsnull;
|
|
// split any matching style nodes above the node/offset
|
|
nsCOMPtr<nsIDOMNode> parent, tmp = *aNode;
|
|
PRInt32 offset;
|
|
|
|
while (tmp && !IsBlockNode(tmp))
|
|
{
|
|
if ( (aProperty && NodeIsType(tmp, aProperty)) || // node is the correct inline prop
|
|
(aProperty == nsIEditProperty::href && nsHTMLEditUtils::IsLink(tmp)) || // node is href - test if really <a href=...
|
|
(!aProperty && NodeIsProperty(tmp)) ) // or node is any prop, and we asked to split them all
|
|
{
|
|
// found a style node we need to split
|
|
SplitNodeDeep(tmp, *aNode, *aOffset, &offset, PR_FALSE, outLeftNode, outRightNode);
|
|
// reset startNode/startOffset
|
|
tmp->GetParentNode(getter_AddRefs(*aNode));
|
|
*aOffset = offset;
|
|
}
|
|
tmp->GetParentNode(getter_AddRefs(parent));
|
|
tmp = parent;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
PRBool nsHTMLEditor::NodeIsProperty(nsIDOMNode *aNode)
|
|
{
|
|
if (!aNode) return PR_FALSE;
|
|
if (!IsContainer(aNode)) return PR_FALSE;
|
|
if (!IsEditable(aNode)) return PR_FALSE;
|
|
if (IsBlockNode(aNode)) return PR_FALSE;
|
|
if (NodeIsType(aNode, nsIEditProperty::a)) return PR_FALSE;
|
|
return PR_TRUE;
|
|
}
|
|
|
|
nsresult nsHTMLEditor::RemoveStyleInside(nsIDOMNode *aNode,
|
|
nsIAtom *aProperty, // null here means remove all properties
|
|
const nsAReadableString *aAttribute,
|
|
PRBool aChildrenOnly)
|
|
{
|
|
if (!aNode) return NS_ERROR_NULL_POINTER;
|
|
if (IsTextNode(aNode)) return NS_OK;
|
|
nsresult res = NS_OK;
|
|
|
|
// first process the children
|
|
nsCOMPtr<nsIDOMNode> child, tmp;
|
|
aNode->GetFirstChild(getter_AddRefs(child));
|
|
while (child)
|
|
{
|
|
// cache next sibling since we might remove child
|
|
child->GetNextSibling(getter_AddRefs(tmp));
|
|
res = RemoveStyleInside(child, aProperty, aAttribute);
|
|
if (NS_FAILED(res)) return res;
|
|
child = tmp;
|
|
}
|
|
|
|
// then process the node itself
|
|
if ( !aChildrenOnly &&
|
|
((aProperty && NodeIsType(aNode, aProperty)) || // node is prop we asked for
|
|
(aProperty == nsIEditProperty::href && nsHTMLEditUtils::IsLink(aNode))) || // but check for link (<a href=...)
|
|
(!aProperty && NodeIsProperty(aNode)) ) // or node is any prop and we asked for that
|
|
{
|
|
// if we weren't passed an attribute, then we want to
|
|
// remove any matching inlinestyles entirely
|
|
if (!aAttribute || aAttribute->IsEmpty())
|
|
{
|
|
res = RemoveContainer(aNode);
|
|
}
|
|
// otherwise we just want to eliminate the attribute
|
|
else
|
|
{
|
|
if (HasAttr(aNode, aAttribute))
|
|
{
|
|
// if this matching attribute is the ONLY one on the node,
|
|
// then remove the whole node. Otherwise just nix the attribute.
|
|
if (IsOnlyAttribute(aNode, aAttribute))
|
|
{
|
|
res = RemoveContainer(aNode);
|
|
}
|
|
else
|
|
{
|
|
nsCOMPtr<nsIDOMElement> elem = do_QueryInterface(aNode);
|
|
if (!elem) return NS_ERROR_NULL_POINTER;
|
|
res = RemoveAttribute(elem, *aAttribute);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
PRBool nsHTMLEditor::IsOnlyAttribute(nsIDOMNode *aNode,
|
|
const nsAReadableString *aAttribute)
|
|
{
|
|
if (!aNode || !aAttribute) return PR_FALSE; // ooops
|
|
nsCOMPtr<nsIContent> content = do_QueryInterface(aNode);
|
|
if (!content) return PR_FALSE; // ooops
|
|
|
|
PRInt32 attrCount, i, nameSpaceID;
|
|
nsCOMPtr<nsIAtom> attrName, prefix;
|
|
content->GetAttrCount(attrCount);
|
|
|
|
for (i=0; i<attrCount; i++)
|
|
{
|
|
content->GetAttrNameAt(i, nameSpaceID, *getter_AddRefs(attrName),
|
|
*getter_AddRefs(prefix));
|
|
nsAutoString attrString, tmp;
|
|
if (!attrName) continue; // ooops
|
|
attrName->ToString(attrString);
|
|
// if it's the attribute we know about, keep looking
|
|
if (!Compare(attrString,*aAttribute,nsCaseInsensitiveStringComparator())) continue;
|
|
// if it's a special _moz... attribute, keep looking
|
|
attrString.Left(tmp,4);
|
|
if (!Compare(tmp,NS_LITERAL_STRING("_moz"),nsCaseInsensitiveStringComparator())) continue;
|
|
// otherwise, it's another attribute, so return false
|
|
return PR_FALSE;
|
|
}
|
|
// if we made it through all of them without finding a real attribute
|
|
// other than aAttribute, then return PR_TRUE
|
|
return PR_TRUE;
|
|
}
|
|
|
|
PRBool
|
|
nsHTMLEditor::HasMatchingAttributes(nsIDOMNode *aNode1,
|
|
nsIDOMNode *aNode2)
|
|
{
|
|
if (!aNode1 || !aNode2) return PR_FALSE; // ooops
|
|
nsCOMPtr<nsIContent> content1 = do_QueryInterface(aNode1);
|
|
if (!content1) return PR_FALSE; // ooops
|
|
nsCOMPtr<nsIContent> content2 = do_QueryInterface(aNode2);
|
|
if (!content2) return PR_FALSE; // ooops
|
|
|
|
PRInt32 attrCount, i, nameSpaceID, realCount1=0, realCount2=0;
|
|
nsCOMPtr<nsIAtom> attrName, prefix;
|
|
nsresult res, res2;
|
|
content1->GetAttrCount(attrCount);
|
|
nsAutoString attrString, tmp, attrVal1, attrVal2;
|
|
|
|
for (i=0; i<attrCount; i++)
|
|
{
|
|
content1->GetAttrNameAt(i, nameSpaceID, *getter_AddRefs(attrName),
|
|
*getter_AddRefs(prefix));
|
|
if (!attrName) continue; // ooops
|
|
attrName->ToString(attrString);
|
|
// if it's a special _moz... attribute, keep going
|
|
attrString.Left(tmp,4);
|
|
if (tmp.EqualsWithConversion("_moz")) continue;
|
|
// otherwise, it's another attribute, so count it
|
|
realCount1++;
|
|
// and compare it to element2's attributes
|
|
res = content1->GetAttr(nameSpaceID, attrName, attrVal1);
|
|
res2 = content2->GetAttr(nameSpaceID, attrName, attrVal2);
|
|
if (res != res2) return PR_FALSE;
|
|
if (!attrVal1.EqualsIgnoreCase(attrVal2)) return PR_FALSE;
|
|
}
|
|
|
|
content2->GetAttrCount(attrCount);
|
|
for (i=0; i<attrCount; i++)
|
|
{
|
|
content2->GetAttrNameAt(i, nameSpaceID, *getter_AddRefs(attrName),
|
|
*getter_AddRefs(prefix));
|
|
if (!attrName) continue; // ooops
|
|
attrName->ToString(attrString);
|
|
// if it's a special _moz... attribute, keep going
|
|
attrString.Left(tmp,4);
|
|
if (tmp.EqualsWithConversion("_moz")) continue;
|
|
// otherwise, it's another attribute, so count it
|
|
realCount2++;
|
|
}
|
|
|
|
if (realCount1 != realCount2) return PR_FALSE;
|
|
// otherwise, attribute counts match, and we already compared them
|
|
// when going through the first list, so we're done.
|
|
return PR_TRUE;
|
|
}
|
|
|
|
PRBool nsHTMLEditor::HasAttr(nsIDOMNode *aNode,
|
|
const nsAReadableString *aAttribute)
|
|
{
|
|
if (!aNode) return PR_FALSE;
|
|
if (!aAttribute || aAttribute->IsEmpty()) return PR_TRUE; // everybody has the 'null' attribute
|
|
|
|
// get element
|
|
nsCOMPtr<nsIDOMElement> elem = do_QueryInterface(aNode);
|
|
if (!elem) return PR_FALSE;
|
|
|
|
// get attribute node
|
|
nsCOMPtr<nsIDOMAttr> attNode;
|
|
nsresult res = elem->GetAttributeNode(*aAttribute, getter_AddRefs(attNode));
|
|
if ((NS_FAILED(res)) || !attNode) return PR_FALSE;
|
|
return PR_TRUE;
|
|
}
|
|
|
|
|
|
PRBool nsHTMLEditor::HasAttrVal(nsIDOMNode *aNode,
|
|
const nsAReadableString *aAttribute,
|
|
const nsAReadableString *aValue)
|
|
{
|
|
if (!aNode) return PR_FALSE;
|
|
if (!aAttribute || aAttribute->IsEmpty()) return PR_TRUE; // everybody has the 'null' attribute
|
|
|
|
// get element
|
|
nsCOMPtr<nsIDOMElement> elem = do_QueryInterface(aNode);
|
|
if (!elem) return PR_FALSE;
|
|
|
|
// get attribute node
|
|
nsCOMPtr<nsIDOMAttr> attNode;
|
|
nsresult res = elem->GetAttributeNode(*aAttribute, getter_AddRefs(attNode));
|
|
if ((NS_FAILED(res)) || !attNode) return PR_FALSE;
|
|
|
|
// check if attribute has a value
|
|
PRBool isSet;
|
|
attNode->GetSpecified(&isSet);
|
|
// if no value, and that's what we wanted, then return true
|
|
if (!isSet && (!aValue || aValue->IsEmpty())) return PR_TRUE;
|
|
|
|
// get attribute value
|
|
nsAutoString attrVal;
|
|
attNode->GetValue(attrVal);
|
|
|
|
// do values match?
|
|
if (!Compare(attrVal,*aValue,nsCaseInsensitiveStringComparator())) return PR_TRUE;
|
|
return PR_FALSE;
|
|
}
|
|
|
|
|
|
nsresult nsHTMLEditor::PromoteInlineRange(nsIDOMRange *inRange)
|
|
{
|
|
if (!inRange) return NS_ERROR_NULL_POINTER;
|
|
nsresult res;
|
|
nsCOMPtr<nsIDOMNode> startNode, endNode, parent;
|
|
PRInt32 startOffset, endOffset;
|
|
|
|
res = inRange->GetStartContainer(getter_AddRefs(startNode));
|
|
if (NS_FAILED(res)) return res;
|
|
res = inRange->GetStartOffset(&startOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
res = inRange->GetEndContainer(getter_AddRefs(endNode));
|
|
if (NS_FAILED(res)) return res;
|
|
res = inRange->GetEndOffset(&endOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
while ( startNode &&
|
|
!nsTextEditUtils::IsBody(startNode) &&
|
|
IsAtFrontOfNode(startNode, startOffset) )
|
|
{
|
|
res = GetNodeLocation(startNode, address_of(parent), &startOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
startNode = parent;
|
|
}
|
|
if (!startNode) return NS_ERROR_NULL_POINTER;
|
|
|
|
while ( endNode &&
|
|
!nsTextEditUtils::IsBody(endNode) &&
|
|
IsAtEndOfNode(endNode, endOffset) )
|
|
{
|
|
res = GetNodeLocation(endNode, address_of(parent), &endOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
endNode = parent;
|
|
endOffset++; // we are AFTER this node
|
|
}
|
|
if (!endNode) return NS_ERROR_NULL_POINTER;
|
|
|
|
res = inRange->SetStart(startNode, startOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
res = inRange->SetEnd(endNode, endOffset);
|
|
return res;
|
|
}
|
|
|
|
PRBool nsHTMLEditor::IsAtFrontOfNode(nsIDOMNode *aNode, PRInt32 aOffset)
|
|
{
|
|
if (!aNode) return PR_FALSE; // oops
|
|
if (!aOffset) return PR_TRUE;
|
|
|
|
if (IsTextNode(aNode))
|
|
{
|
|
return PR_FALSE;
|
|
}
|
|
else
|
|
{
|
|
nsCOMPtr<nsIDOMNode> firstNode;
|
|
GetFirstEditableChild(aNode, address_of(firstNode));
|
|
if (!firstNode) return PR_TRUE;
|
|
PRInt32 offset;
|
|
nsEditor::GetChildOffset(firstNode, aNode, offset);
|
|
if (offset < aOffset) return PR_FALSE;
|
|
return PR_TRUE;
|
|
}
|
|
}
|
|
|
|
PRBool nsHTMLEditor::IsAtEndOfNode(nsIDOMNode *aNode, PRInt32 aOffset)
|
|
{
|
|
if (!aNode) return PR_FALSE; // oops
|
|
PRUint32 len;
|
|
GetLengthOfDOMNode(aNode, len);
|
|
if (aOffset == (PRInt32)len) return PR_TRUE;
|
|
|
|
if (IsTextNode(aNode))
|
|
{
|
|
return PR_FALSE;
|
|
}
|
|
else
|
|
{
|
|
nsCOMPtr<nsIDOMNode> lastNode;
|
|
GetLastEditableChild(aNode, address_of(lastNode));
|
|
if (!lastNode) return PR_TRUE;
|
|
PRInt32 offset;
|
|
nsEditor::GetChildOffset(lastNode, aNode, offset);
|
|
if (offset < aOffset) return PR_TRUE;
|
|
return PR_FALSE;
|
|
}
|
|
}
|
|
|
|
|
|
nsresult
|
|
nsHTMLEditor::GetInlinePropertyBase(nsIAtom *aProperty,
|
|
const nsAReadableString *aAttribute,
|
|
const nsAReadableString *aValue,
|
|
PRBool *aFirst,
|
|
PRBool *aAny,
|
|
PRBool *aAll,
|
|
nsAWritableString *outValue)
|
|
{
|
|
if (!aProperty)
|
|
return NS_ERROR_NULL_POINTER;
|
|
/*
|
|
if (gNoisy)
|
|
{
|
|
nsAutoString propString;
|
|
aProperty->ToString(propString);
|
|
char *propCString = propString.ToNewCString();
|
|
if (gNoisy) { printf("nsTextEditor::GetTextProperty %s\n", propCString); }
|
|
nsCRT::free(propCString);
|
|
}
|
|
*/
|
|
nsresult result;
|
|
*aAny=PR_FALSE;
|
|
*aAll=PR_TRUE;
|
|
*aFirst=PR_FALSE;
|
|
PRBool first=PR_TRUE;
|
|
nsCOMPtr<nsISelection>selection;
|
|
result = GetSelection(getter_AddRefs(selection));
|
|
if (NS_FAILED(result)) return result;
|
|
if (!selection) return NS_ERROR_NULL_POINTER;
|
|
nsCOMPtr<nsISelectionPrivate> selPriv(do_QueryInterface(selection));
|
|
|
|
PRBool isCollapsed;
|
|
selection->GetIsCollapsed(&isCollapsed);
|
|
nsCOMPtr<nsIDOMNode> collapsedNode;
|
|
nsCOMPtr<nsIEnumerator> enumerator;
|
|
result = selPriv->GetEnumerator(getter_AddRefs(enumerator));
|
|
if (NS_FAILED(result)) return result;
|
|
if (!enumerator) return NS_ERROR_NULL_POINTER;
|
|
|
|
enumerator->First();
|
|
nsCOMPtr<nsISupports> currentItem;
|
|
result = enumerator->CurrentItem(getter_AddRefs(currentItem));
|
|
// XXX: should be a while loop, to get each separate range
|
|
// XXX: ERROR_HANDLING can currentItem be null?
|
|
if ((NS_SUCCEEDED(result)) && currentItem)
|
|
{
|
|
PRBool firstNodeInRange = PR_TRUE; // for each range, set a flag
|
|
nsCOMPtr<nsIDOMRange> range(do_QueryInterface(currentItem));
|
|
|
|
if (isCollapsed)
|
|
{
|
|
// efficiency hack. we cache prior results for being collapsed in a given text node.
|
|
// this speeds up typing. Note that other parts of the editor code have to clear out
|
|
// this cache after certain actions.
|
|
range->GetStartContainer(getter_AddRefs(collapsedNode));
|
|
if (!collapsedNode) return NS_ERROR_FAILURE;
|
|
// refresh the cache if we need to
|
|
if (collapsedNode != mCachedNode) CacheInlineStyles(collapsedNode);
|
|
// cache now current, use it! But override it with typeInState results if any...
|
|
PRBool isSet, theSetting;
|
|
if (aAttribute)
|
|
{
|
|
nsString tString(*aAttribute); //MJUDGE SCC NEED HELP
|
|
nsString tOutString;//MJUDGE SCC NEED HELP
|
|
nsString *tPassString=nsnull;
|
|
if (outValue)
|
|
tPassString = &tOutString;
|
|
mTypeInState->GetTypingState(isSet, theSetting, aProperty, tString, &tOutString);
|
|
if (outValue)
|
|
outValue->Assign(tOutString);
|
|
}
|
|
else
|
|
mTypeInState->GetTypingState(isSet, theSetting, aProperty);
|
|
if (isSet)
|
|
{
|
|
*aFirst = *aAny = *aAll = theSetting;
|
|
return NS_OK;
|
|
}
|
|
/*
|
|
if (aProperty == mBoldAtom.get())
|
|
{
|
|
mTypeInState->GetTypingState(isSet, theSetting, aProperty);
|
|
if (isSet)
|
|
{
|
|
*aFirst = *aAny = *aAll = theSetting;
|
|
}
|
|
else
|
|
{
|
|
*aFirst = *aAny = *aAll = mCachedBoldStyle;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
else if (aProperty == mItalicAtom.get())
|
|
{
|
|
mTypeInState->GetTypingState(isSet, theSetting, aProperty);
|
|
if (isSet)
|
|
{
|
|
*aFirst = *aAny = *aAll = theSetting;
|
|
}
|
|
else
|
|
{
|
|
*aFirst = *aAny = *aAll = mCachedItalicStyle;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
else if (aProperty == mUnderlineAtom.get())
|
|
{
|
|
mTypeInState->GetTypingState(isSet, theSetting, aProperty);
|
|
if (isSet)
|
|
{
|
|
*aFirst = *aAny = *aAll = theSetting;
|
|
}
|
|
else
|
|
{
|
|
*aFirst = *aAny = *aAll = mCachedUnderlineStyle;
|
|
}
|
|
return NS_OK;
|
|
} */
|
|
}
|
|
|
|
// either non-collapsed selection or no cached value: do it the hard way
|
|
nsCOMPtr<nsIContentIterator> iter;
|
|
iter = do_CreateInstance(kCContentIteratorCID);
|
|
if (!iter) return NS_ERROR_NULL_POINTER;
|
|
|
|
iter->Init(range);
|
|
nsCOMPtr<nsIContent> content;
|
|
nsAutoString firstValue, theValue;
|
|
iter->CurrentNode(getter_AddRefs(content));
|
|
while (NS_ENUMERATOR_FALSE == iter->IsDone())
|
|
{
|
|
nsCOMPtr<nsIDOMNode> node = do_QueryInterface(content);
|
|
|
|
if (node && nsTextEditUtils::IsBody(node))
|
|
break;
|
|
|
|
//if (gNoisy) { printf(" checking node %p\n", content.get()); }
|
|
nsCOMPtr<nsIDOMCharacterData>text;
|
|
text = do_QueryInterface(content);
|
|
|
|
PRBool skipNode = PR_FALSE;
|
|
|
|
// just ignore any non-editable nodes
|
|
if (text && !IsEditable(text))
|
|
{
|
|
skipNode = PR_TRUE;
|
|
}
|
|
else if (text)
|
|
{
|
|
if (!isCollapsed && first && firstNodeInRange)
|
|
{
|
|
firstNodeInRange = PR_FALSE;
|
|
PRInt32 startOffset;
|
|
range->GetStartOffset(&startOffset);
|
|
PRUint32 count;
|
|
text->GetLength(&count);
|
|
if (startOffset==(PRInt32)count)
|
|
{
|
|
//if (gNoisy) { printf(" skipping node %p\n", content.get()); }
|
|
skipNode = PR_TRUE;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{ // handle non-text leaf nodes here
|
|
PRBool canContainChildren;
|
|
content->CanContainChildren(canContainChildren);
|
|
if (canContainChildren)
|
|
{
|
|
//if (gNoisy) { printf(" skipping non-leaf node %p\n", content.get()); }
|
|
skipNode = PR_TRUE;
|
|
}
|
|
else {
|
|
//if (gNoisy) { printf(" testing non-text leaf node %p\n", content.get()); }
|
|
}
|
|
}
|
|
if (!skipNode)
|
|
{
|
|
if (node)
|
|
{
|
|
PRBool isSet;
|
|
nsCOMPtr<nsIDOMNode>resultNode;
|
|
if (first)
|
|
{
|
|
IsTextPropertySetByContent(node, aProperty, aAttribute, aValue, isSet, getter_AddRefs(resultNode), &firstValue);
|
|
*aFirst = isSet;
|
|
first = PR_FALSE;
|
|
if (outValue) *outValue = firstValue;
|
|
}
|
|
else
|
|
{
|
|
IsTextPropertySetByContent(node, aProperty, aAttribute, aValue, isSet, getter_AddRefs(resultNode), &theValue);
|
|
if (firstValue != theValue)
|
|
*aAll = PR_FALSE;
|
|
}
|
|
|
|
if (isSet) {
|
|
*aAny = PR_TRUE;
|
|
}
|
|
else {
|
|
*aAll = PR_FALSE;
|
|
}
|
|
}
|
|
}
|
|
result = iter->Next();
|
|
if (NS_FAILED(result))
|
|
break;
|
|
iter->CurrentNode(getter_AddRefs(content));
|
|
}
|
|
}
|
|
if (!*aAny)
|
|
{ // make sure that if none of the selection is set, we don't report all is set
|
|
*aAll = PR_FALSE;
|
|
}
|
|
//if (gNoisy) { printf(" returning first=%d any=%d all=%d\n", *aFirst, *aAny, *aAll); }
|
|
return result;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP nsHTMLEditor::GetInlineProperty(nsIAtom *aProperty,
|
|
const nsAReadableString &aAttribute,
|
|
const nsAReadableString &aValue,
|
|
PRBool *aFirst,
|
|
PRBool *aAny,
|
|
PRBool *aAll)
|
|
{
|
|
if (!aProperty || !aFirst || !aAny || !aAll)
|
|
return NS_ERROR_NULL_POINTER;
|
|
const nsAReadableString *att = nsnull;
|
|
if (aAttribute.Length())
|
|
att = &aAttribute;
|
|
const nsAReadableString *val = nsnull;
|
|
if (aValue.Length())
|
|
val = &aValue;
|
|
return GetInlinePropertyBase( aProperty, att, val, aFirst, aAny, aAll, nsnull);
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP nsHTMLEditor::GetInlinePropertyWithAttrValue(nsIAtom *aProperty,
|
|
const nsAReadableString &aAttribute,
|
|
const nsAReadableString &aValue,
|
|
PRBool *aFirst,
|
|
PRBool *aAny,
|
|
PRBool *aAll,
|
|
nsAWritableString &outValue)
|
|
{
|
|
if (!aProperty || !aFirst || !aAny || !aAll)
|
|
return NS_ERROR_NULL_POINTER;
|
|
const nsAReadableString *att = nsnull;
|
|
if (aAttribute.Length())
|
|
att = &aAttribute;
|
|
const nsAReadableString *val = nsnull;
|
|
if (aValue.Length())
|
|
val = &aValue;
|
|
return GetInlinePropertyBase( aProperty, att, val, aFirst, aAny, aAll, &outValue);
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP nsHTMLEditor::RemoveAllInlineProperties()
|
|
{
|
|
return RemoveInlinePropertyImpl(nsnull, nsnull);
|
|
}
|
|
|
|
NS_IMETHODIMP nsHTMLEditor::RemoveInlineProperty(nsIAtom *aProperty, const nsAReadableString &aAttribute)
|
|
{
|
|
return RemoveInlinePropertyImpl(aProperty, &aAttribute);
|
|
}
|
|
|
|
nsresult nsHTMLEditor::RemoveInlinePropertyImpl(nsIAtom *aProperty, const nsAReadableString *aAttribute)
|
|
{
|
|
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);
|
|
if (isCollapsed)
|
|
{
|
|
// manipulating text attributes on a collapsed selection only sets state for the next text insertion
|
|
|
|
// For links, aProperty uses "href", use "a" instead
|
|
if (aProperty == nsIEditProperty::href)
|
|
aProperty = nsIEditProperty::a;
|
|
|
|
if (aProperty) return mTypeInState->ClearProp(aProperty, nsAutoString(*aAttribute));
|
|
else return mTypeInState->ClearAllProps();
|
|
}
|
|
nsAutoEditBatch batchIt(this);
|
|
nsAutoRules beginRulesSniffing(this, kOpRemoveTextProperty, nsIEditor::eNext);
|
|
nsAutoSelectionReset selectionResetter(selection, this);
|
|
nsAutoTxnsConserveSelection dontSpazMySelection(this);
|
|
|
|
PRBool cancel, handled;
|
|
nsTextRulesInfo ruleInfo(nsTextEditRules::kRemoveTextProperty);
|
|
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;
|
|
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) );
|
|
|
|
// adjust range to include any ancestors who's children are entirely selected
|
|
res = PromoteInlineRange(range);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// remove this style from ancestors of our range endpoints,
|
|
// splitting them as appropriate
|
|
res = SplitStyleAboveRange(range, aProperty, aAttribute);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// check for easy case: both range endpoints in same text node
|
|
nsCOMPtr<nsIDOMNode> startNode, endNode;
|
|
res = range->GetStartContainer(getter_AddRefs(startNode));
|
|
if (NS_FAILED(res)) return res;
|
|
res = range->GetEndContainer(getter_AddRefs(endNode));
|
|
if (NS_FAILED(res)) return res;
|
|
if ((startNode == endNode) && IsTextNode(startNode))
|
|
{
|
|
// we're done with this range!
|
|
}
|
|
else
|
|
{
|
|
// not the easy case. range not contained in single text node.
|
|
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
|
|
iter->Init(range);
|
|
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;
|
|
}
|
|
|
|
// loop through the list, remove 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);
|
|
res = RemoveStyleInside(node, aProperty, aAttribute);
|
|
if (NS_FAILED(res)) return res;
|
|
arrayOfNodes->RemoveElementAt(0);
|
|
}
|
|
}
|
|
enumerator->Next();
|
|
}
|
|
}
|
|
if (!cancel)
|
|
{
|
|
// post-process
|
|
res = mRules->DidDoAction(selection, &ruleInfo, res);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
NS_IMETHODIMP nsHTMLEditor::IncreaseFontSize()
|
|
{
|
|
return RelativeFontChange(1);
|
|
}
|
|
|
|
NS_IMETHODIMP nsHTMLEditor::DecreaseFontSize()
|
|
{
|
|
return RelativeFontChange(-1);
|
|
}
|
|
|
|
nsresult
|
|
nsHTMLEditor::RelativeFontChange( PRInt32 aSizeChange)
|
|
{
|
|
// Can only change font size by + or - 1
|
|
if ( !( (aSizeChange==1) || (aSizeChange==-1) ) )
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
|
|
ForceCompositionEnd();
|
|
|
|
// Get the selection
|
|
nsCOMPtr<nsISelection>selection;
|
|
nsresult res = GetSelection(getter_AddRefs(selection));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!selection) return NS_ERROR_FAILURE;
|
|
nsCOMPtr<nsISelectionPrivate> selPriv(do_QueryInterface(selection));
|
|
// Is the selection collapsed?
|
|
PRBool bCollapsed;
|
|
res = selection->GetIsCollapsed(&bCollapsed);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// if it's collapsed set typing state
|
|
if (bCollapsed)
|
|
{
|
|
nsCOMPtr<nsIAtom> atom;
|
|
if (aSizeChange==1) atom = nsIEditProperty::big;
|
|
else atom = nsIEditProperty::small;
|
|
// manipulating text attributes on a collapsed selection only sets state for the next text insertion
|
|
return mTypeInState->SetProp(atom, nsAutoString(), nsAutoString());
|
|
}
|
|
|
|
// wrap with txn batching, rules sniffing, and selection preservation code
|
|
nsAutoEditBatch batchIt(this);
|
|
nsAutoRules beginRulesSniffing(this, kOpSetTextProperty, nsIEditor::eNext);
|
|
nsAutoSelectionReset selectionResetter(selection, this);
|
|
nsAutoTxnsConserveSelection dontSpazMySelection(this);
|
|
|
|
// 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;
|
|
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) );
|
|
|
|
// adjust range to include any ancestors who's children are entirely selected
|
|
res = PromoteInlineRange(range);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// check for easy case: both range endpoints in same text node
|
|
nsCOMPtr<nsIDOMNode> startNode, endNode;
|
|
res = range->GetStartContainer(getter_AddRefs(startNode));
|
|
if (NS_FAILED(res)) return res;
|
|
res = range->GetEndContainer(getter_AddRefs(endNode));
|
|
if (NS_FAILED(res)) return res;
|
|
if ((startNode == endNode) && IsTextNode(startNode))
|
|
{
|
|
PRInt32 startOffset, endOffset;
|
|
range->GetStartOffset(&startOffset);
|
|
range->GetEndOffset(&endOffset);
|
|
nsCOMPtr<nsIDOMCharacterData> nodeAsText = do_QueryInterface(startNode);
|
|
res = RelativeFontChangeOnTextNode(aSizeChange, nodeAsText, startOffset, endOffset);
|
|
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);
|
|
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);
|
|
}
|
|
iter->Next();
|
|
}
|
|
|
|
// now that we have the list, do the font size change 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);
|
|
res = RelativeFontChangeOnNode(aSizeChange, node);
|
|
if (NS_FAILED(res)) return res;
|
|
arrayOfNodes->RemoveElementAt(0);
|
|
}
|
|
}
|
|
// now check the start and end parents of the range to see if they need to
|
|
// be seperately handled (they do if they are text nodes, due to how the
|
|
// subtree iterator works - it will not have reported them).
|
|
if (IsTextNode(startNode) && IsEditable(startNode))
|
|
{
|
|
nsCOMPtr<nsIDOMCharacterData> nodeAsText = do_QueryInterface(startNode);
|
|
PRInt32 startOffset;
|
|
PRUint32 textLen;
|
|
range->GetStartOffset(&startOffset);
|
|
nodeAsText->GetLength(&textLen);
|
|
res = RelativeFontChangeOnTextNode(aSizeChange, nodeAsText, startOffset, textLen);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
if (IsTextNode(endNode) && IsEditable(endNode))
|
|
{
|
|
nsCOMPtr<nsIDOMCharacterData> nodeAsText = do_QueryInterface(endNode);
|
|
PRInt32 endOffset;
|
|
range->GetEndOffset(&endOffset);
|
|
res = RelativeFontChangeOnTextNode(aSizeChange, nodeAsText, 0, endOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
}
|
|
enumerator->Next();
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
nsresult
|
|
nsHTMLEditor::RelativeFontChangeOnTextNode( PRInt32 aSizeChange,
|
|
nsIDOMCharacterData *aTextNode,
|
|
PRInt32 aStartOffset,
|
|
PRInt32 aEndOffset)
|
|
{
|
|
// Can only change font size by + or - 1
|
|
if ( !( (aSizeChange==1) || (aSizeChange==-1) ) )
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
if (!aTextNode) return NS_ERROR_NULL_POINTER;
|
|
|
|
// dont need to do anything if no characters actually selected
|
|
if (aStartOffset == aEndOffset) return NS_OK;
|
|
|
|
nsresult res = NS_OK;
|
|
nsCOMPtr<nsIDOMNode> tmp, node = do_QueryInterface(aTextNode);
|
|
|
|
// do we need to split the text node?
|
|
PRUint32 textLen;
|
|
aTextNode->GetLength(&textLen);
|
|
|
|
// -1 is a magic value meaning to the end of node
|
|
if (aEndOffset == -1) aEndOffset = textLen;
|
|
|
|
if ( (PRUint32)aEndOffset != textLen )
|
|
{
|
|
// we need to split off back of text node
|
|
res = SplitNode(node, aEndOffset, getter_AddRefs(tmp));
|
|
if (NS_FAILED(res)) return res;
|
|
node = tmp; // remember left node
|
|
}
|
|
if ( aStartOffset )
|
|
{
|
|
// we need to split off front of text node
|
|
res = SplitNode(node, aStartOffset, getter_AddRefs(tmp));
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
|
|
// reparent the node inside font node with appropriate relative size
|
|
res = InsertContainerAbove(node, address_of(tmp), NS_ConvertASCIItoUCS2(aSizeChange==1 ? "big" : "small"));
|
|
return res;
|
|
}
|
|
|
|
|
|
nsresult
|
|
nsHTMLEditor::RelativeFontChangeOnNode( PRInt32 aSizeChange,
|
|
nsIDOMNode *aNode)
|
|
{
|
|
// Can only change font size by + or - 1
|
|
if ( !( (aSizeChange==1) || (aSizeChange==-1) ) )
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
if (!aNode) return NS_ERROR_NULL_POINTER;
|
|
|
|
nsresult res = NS_OK;
|
|
nsCOMPtr<nsIDOMNode> tmp;
|
|
nsAutoString tag;
|
|
if (aSizeChange == 1) tag.AssignWithConversion("big");
|
|
else tag.AssignWithConversion("small");
|
|
|
|
// is this node a text node?
|
|
if (IsTextNode(aNode))
|
|
{
|
|
res = InsertContainerAbove(aNode, address_of(tmp), tag);
|
|
return res;
|
|
}
|
|
// is it the opposite of what we want?
|
|
if ( ((aSizeChange == 1) && nsHTMLEditUtils::IsSmall(aNode)) ||
|
|
((aSizeChange == -1) && nsHTMLEditUtils::IsBig(aNode)) )
|
|
{
|
|
// in that case, just remove this node and pull up the children
|
|
res = RemoveContainer(aNode);
|
|
return res;
|
|
}
|
|
// can it be put inside a "big" or "small"?
|
|
if (TagCanContain(tag, aNode))
|
|
{
|
|
// ok, chuck it in.
|
|
res = InsertContainerAbove(aNode, address_of(tmp), tag);
|
|
return res;
|
|
}
|
|
// none of the above? then cycle through the children.
|
|
// MOOSE: we should group the children together if possible
|
|
// into a single "big" or "small". For the moment they are
|
|
// each getting their own.
|
|
nsCOMPtr<nsIDOMNodeList> childNodes;
|
|
res = aNode->GetChildNodes(getter_AddRefs(childNodes));
|
|
if (NS_FAILED(res)) return res;
|
|
if (childNodes)
|
|
{
|
|
PRInt32 j;
|
|
PRUint32 childCount;
|
|
childNodes->GetLength(&childCount);
|
|
for (j=0 ; j < (PRInt32)childCount; j++)
|
|
{
|
|
nsCOMPtr<nsIDOMNode> childNode;
|
|
res = childNodes->Item(j, getter_AddRefs(childNode));
|
|
if ((NS_SUCCEEDED(res)) && (childNode))
|
|
{
|
|
res = RelativeFontChangeOnNode(aSizeChange, childNode);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::GetFontFaceState(PRBool *aMixed, nsAWritableString &outFace)
|
|
{
|
|
if (!aMixed)
|
|
return NS_ERROR_FAILURE;
|
|
*aMixed = PR_TRUE;
|
|
//outFace.AssignWithConversion("");
|
|
outFace.SetLength(0);
|
|
|
|
nsresult res;
|
|
nsAutoString faceStr;
|
|
faceStr.AssignWithConversion("face");
|
|
PRBool first, any, all;
|
|
|
|
|
|
res = GetInlinePropertyBase(nsIEditProperty::font, &faceStr, nsnull, &first, &any, &all, &outFace);
|
|
if (NS_FAILED(res)) return res;
|
|
if (any && !all) return res; // mixed
|
|
if (all)
|
|
{
|
|
*aMixed = PR_FALSE;
|
|
return res;
|
|
}
|
|
|
|
res = GetInlinePropertyBase(nsIEditProperty::tt, nsnull, nsnull, &first, &any, &all,nsnull);
|
|
if (NS_FAILED(res)) return res;
|
|
if (any && !all) return res; // mixed
|
|
if (all)
|
|
{
|
|
*aMixed = PR_FALSE;
|
|
nsIEditProperty::tt->ToString(outFace);
|
|
}
|
|
|
|
if (!any)
|
|
{
|
|
// there was no font face attrs of any kind. We are in normal font.
|
|
outFace.SetLength(0);
|
|
*aMixed = PR_FALSE;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::GetFontColorState(PRBool *aMixed, nsAWritableString &aOutColor)
|
|
{
|
|
if (!aMixed)
|
|
return NS_ERROR_NULL_POINTER;
|
|
*aMixed = PR_TRUE;
|
|
aOutColor.SetLength(0);
|
|
|
|
nsresult res;
|
|
nsAutoString colorStr; colorStr.AssignWithConversion("color");
|
|
PRBool first, any, all;
|
|
|
|
res = GetInlinePropertyBase(nsIEditProperty::font, &colorStr, nsnull, &first, &any, &all, &aOutColor);
|
|
if (NS_FAILED(res)) return res;
|
|
if (any && !all) return res; // mixed
|
|
if (all)
|
|
{
|
|
*aMixed = PR_FALSE;
|
|
return res;
|
|
}
|
|
|
|
if (!any)
|
|
{
|
|
// there was no font color attrs of any kind..
|
|
aOutColor.SetLength(0);
|
|
*aMixed = PR_FALSE;
|
|
}
|
|
return res;
|
|
}
|
|
|