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https://github.com/mozilla/gecko-dev.git
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594 lines
27 KiB
C++
594 lines
27 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape 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/NPL/
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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
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* Communications Corporation. Portions created by Netscape 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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#ifndef nsHTMLEditor_h__
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#define nsHTMLEditor_h__
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#include "nsCOMPtr.h"
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#include "nsIHTMLEditor.h"
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#include "nsITableEditor.h"
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#include "nsIEditorMailSupport.h"
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#include "nsIEditorStyleSheets.h"
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#include "nsEditor.h"
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#include "nsIDOMElement.h"
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#include "nsIDOMEventListener.h"
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#include "nsICSSLoader.h"
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#include "nsICSSLoaderObserver.h"
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#include "nsITableLayout.h"
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#include "TypeInState.h"
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#include "nsEditRules.h"
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class nsIDOMKeyEvent;
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class nsITransferable;
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class nsIDOMEventReceiver;
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/**
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* The HTML editor implementation.<br>
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* Use to edit HTML document represented as a DOM tree.
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*/
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class nsHTMLEditor : public nsEditor,
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public nsIHTMLEditor,
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public nsIEditorMailSupport,
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public nsITableEditor,
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public nsIEditorStyleSheets,
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public nsICSSLoaderObserver
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{
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typedef enum {eNoOp, eReplaceParent=1, eInsertParent=2} BlockTransformationType;
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public:
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enum OperationID
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{
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kOpInsertBreak = 3000,
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kOpMakeList = 3001,
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kOpIndent = 3002,
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kOpOutdent = 3003,
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kOpAlign = 3004,
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kOpMakeBasicBlock = 3005,
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kOpRemoveList = 3006,
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kOpMakeDefListItem = 3007,
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kOpInsertElement = 3008,
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kOpInsertQuotation = 3009
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};
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// see nsIHTMLEditor for documentation
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//Interfaces for addref and release and queryinterface
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//NOTE macro used is for classes that inherit from
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// another class. Only the base class should use NS_DECL_ISUPPORTS
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NS_DECL_ISUPPORTS_INHERITED
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nsHTMLEditor();
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virtual ~nsHTMLEditor();
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/* ------------ nsIHTMLEditor methods -------------- */
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NS_IMETHOD EditorKeyPress(nsIDOMKeyEvent* aKeyEvent);
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NS_IMETHOD TypedText(const nsString& aString, PRInt32 aAction);
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NS_IMETHOD GetDocumentIsEmpty(PRBool *aDocumentIsEmpty);
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NS_IMETHOD GetDocumentLength(PRInt32 *aCount);
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NS_IMETHOD SetMaxTextLength(PRInt32 aMaxTextLength);
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NS_IMETHOD GetMaxTextLength(PRInt32& aMaxTextLength);
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NS_IMETHOD SetInlineProperty(nsIAtom *aProperty,
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const nsString *aAttribute,
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const nsString *aValue);
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NS_IMETHOD GetInlineProperty(nsIAtom *aProperty,
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const nsString *aAttribute,
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const nsString *aValue,
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PRBool &aFirst, PRBool &aAny, PRBool &aAll);
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NS_IMETHOD GetInlinePropertyWithAttrValue(nsIAtom *aProperty,
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const nsString *aAttribute,
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const nsString *aValue,
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PRBool &aFirst, PRBool &aAny, PRBool &aAll,
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nsString *outValue);
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NS_IMETHOD RemoveAllInlineProperties();
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NS_IMETHOD RemoveInlineProperty(nsIAtom *aProperty, const nsString *aAttribute);
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NS_IMETHOD IncreaseFontSize();
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NS_IMETHOD DecreaseFontSize();
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NS_IMETHOD InsertBreak();
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NS_IMETHOD InsertText(const nsString& aStringToInsert);
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NS_IMETHOD InsertHTML(const nsString &aInputString);
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NS_IMETHOD InsertHTMLWithCharset(const nsString& aInputString,
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const nsString& aCharset);
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NS_IMETHOD InsertElementAtSelection(nsIDOMElement* aElement, PRBool aDeleteSelection);
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NS_IMETHOD DeleteSelection(EDirection aAction);
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NS_IMETHOD DeleteSelectionAndCreateNode(const nsString& aTag, nsIDOMNode ** aNewNode);
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NS_IMETHOD SelectElement(nsIDOMElement* aElement);
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NS_IMETHOD SetCaretAfterElement(nsIDOMElement* aElement);
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NS_IMETHOD SetCaretToDocumentStart();
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NS_IMETHOD SetParagraphFormat(const nsString& aParagraphFormat);
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NS_IMETHOD GetParentBlockTags(nsStringArray *aTagList, PRBool aGetLists);
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NS_IMETHOD GetParagraphState(PRBool &aMixed, nsString &outFormat);
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NS_IMETHOD GetFontFaceState(PRBool &aMixed, nsString &outFace);
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NS_IMETHOD GetListState(PRBool &aMixed, PRBool &aOL, PRBool &aUL, PRBool &aDL);
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NS_IMETHOD GetListItemState(PRBool &aMixed, PRBool &aLI, PRBool &aDT, PRBool &aDD);
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NS_IMETHOD GetIndentState(PRBool &aCanIndent, PRBool &aCanOutdent);
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NS_IMETHOD MakeOrChangeList(const nsString& aListType);
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NS_IMETHOD RemoveList(const nsString& aListType);
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NS_IMETHOD Indent(const nsString& aIndent);
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NS_IMETHOD Align(const nsString& aAlign);
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NS_IMETHOD GetElementOrParentByTagName(const nsString& aTagName, nsIDOMNode *aNode, nsIDOMElement** aReturn);
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NS_IMETHOD GetSelectedElement(const nsString& aTagName, nsIDOMElement** aReturn);
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NS_IMETHOD CreateElementWithDefaults(const nsString& aTagName, nsIDOMElement** aReturn);
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NS_IMETHOD GetNextElementByTagName(nsIDOMElement *aCurrentElement, const nsString *aTagName, nsIDOMElement **aReturn);
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NS_IMETHOD InsertLinkAroundSelection(nsIDOMElement* aAnchorElement);
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/* ------------ nsIEditorIMESupport overrides -------------- */
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NS_IMETHOD SetCompositionString(const nsString& aCompositionString, nsIPrivateTextRangeList* aTextRangeList,nsTextEventReply* aReply);
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/* ------------ nsIEditorStyleSheets methods -------------- */
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NS_IMETHOD ApplyStyleSheet(const nsString& aURL, nsICSSStyleSheet **aStyleSheet);
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NS_IMETHOD ApplyOverrideStyleSheet(const nsString& aURL, nsICSSStyleSheet **aStyleSheet);
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/* Above 2 methods call this with appropriate aOverride value
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* Not exposed to IDL interface
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*/
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nsresult ApplyDocumentOrOverrideStyleSheet(const nsString& aURL, PRBool aOverride, nsICSSStyleSheet **aStyleSheet);
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NS_IMETHOD AddStyleSheet(nsICSSStyleSheet* aSheet);
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NS_IMETHOD RemoveStyleSheet(nsICSSStyleSheet* aSheet);
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NS_IMETHOD RemoveOverrideStyleSheet(nsICSSStyleSheet* aSheet);
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/* ------------ nsIEditorMailSupport methods -------------- */
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NS_IMETHOD GetBodyWrapWidth(PRInt32 *aWrapColumn);
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NS_IMETHOD SetBodyWrapWidth(PRInt32 aWrapColumn);
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NS_IMETHOD PasteAsQuotation(PRInt32 aSelectionType);
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NS_IMETHOD InsertAsQuotation(const nsString& aQuotedText, nsIDOMNode **aNodeInserted);
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NS_IMETHOD PasteAsCitedQuotation(const nsString& aCitation,
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PRInt32 aSelectionType);
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NS_IMETHOD InsertAsCitedQuotation(const nsString& aQuotedText,
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const nsString& aCitation,
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PRBool aInsertHTML,
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const nsString& aCharset,
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nsIDOMNode **aNodeInserted);
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NS_IMETHOD GetEmbeddedObjects(nsISupportsArray** aNodeList);
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/* ------------ nsITableEditor methods -------------- */
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NS_IMETHOD InsertTableCell(PRInt32 aNumber, PRBool aAfter);
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NS_IMETHOD InsertTableColumn(PRInt32 aNumber, PRBool aAfter);
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NS_IMETHOD InsertTableRow(PRInt32 aNumber, PRBool aAfter);
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NS_IMETHOD DeleteTable();
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NS_IMETHOD DeleteTableCell(PRInt32 aNumber);
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NS_IMETHOD DeleteTableCellContents();
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NS_IMETHOD DeleteTableColumn(PRInt32 aNumber);
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NS_IMETHOD DeleteTableRow(PRInt32 aNumber);
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NS_IMETHOD SelectTableCell();
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NS_IMETHOD SelectBlockOfCells(nsIDOMElement *aStartCell, nsIDOMElement *aEndCell);
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NS_IMETHOD SelectTableRow();
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NS_IMETHOD SelectTableColumn();
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NS_IMETHOD SelectTable();
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NS_IMETHOD SelectAllTableCells();
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NS_IMETHOD JoinTableCells();
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NS_IMETHOD SplitTableCell();
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NS_IMETHOD NormalizeTable(nsIDOMElement *aTable);
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NS_IMETHOD GetCellIndexes(nsIDOMElement *aCell, PRInt32& aRowIndex, PRInt32& aColIndex);
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NS_IMETHOD GetTableSize(nsIDOMElement *aTable, PRInt32& aRowCount, PRInt32& aColCount);
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NS_IMETHOD GetCellAt(nsIDOMElement* aTable, PRInt32 aRowIndex, PRInt32 aColIndex, nsIDOMElement* &aCell);
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NS_IMETHOD GetCellDataAt(nsIDOMElement* aTable, PRInt32 aRowIndex, PRInt32 aColIndex, nsIDOMElement* &aCell,
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PRInt32& aStartRowIndex, PRInt32& aStartColIndex,
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PRInt32& aRowSpan, PRInt32& aColSpan,
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PRInt32& aActualRowSpan, PRInt32& aActualColSpan,
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PRBool& aIsSelected);
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NS_IMETHOD GetFirstRow(nsIDOMElement* aTableElement, nsIDOMElement* &aRow);
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NS_IMETHOD GetNextRow(nsIDOMElement* aTableElement, nsIDOMElement* &aRow);
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NS_IMETHOD SetSelectionAfterTableEdit(nsIDOMElement* aTable, PRInt32 aRow, PRInt32 aCol,
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PRInt32 aDirection, PRBool aSelected);
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NS_IMETHOD GetSelectedOrParentTableElement(nsIDOMElement* &aTableElement, nsString& aTagName, PRInt32 &aSelectedCount);
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NS_IMETHOD GetSelectedCellsType(nsIDOMElement *aElement, PRUint32 &aSelectionType);
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// Finds the first selected cell in first range of selection
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// This is in the *order of selection*, not order in the table
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// (i.e., each cell added to selection is added in another range
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// in the selection's rangelist, independent of location in table)
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// aRange is optional: returns the range around the cell
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NS_IMETHOD GetFirstSelectedCell(nsIDOMElement **aCell, nsIDOMRange **aRange);
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// Get next cell until no more are found. Always use GetFirstSelected cell first
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// aRange is optional: returns the range around the cell
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NS_IMETHOD GetNextSelectedCell(nsIDOMElement **aCell, nsIDOMRange **aRange);
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// Upper-left-most selected cell in table
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NS_IMETHOD GetFirstSelectedCellInTable(nsIDOMElement **aCell, PRInt32 *aRowIndex, PRInt32 *aColIndex);
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/* miscellaneous */
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// This sets background on the appropriate container element (table, cell,)
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// or calls into nsTextEditor to set the page background
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NS_IMETHOD SetBackgroundColor(const nsString& aColor);
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NS_IMETHOD SetBodyAttribute(const nsString& aAttr, const nsString& aValue);
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/* ------------ Overrides of nsEditor interface methods -------------- */
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/** prepare the editor for use */
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NS_IMETHOD Init(nsIDOMDocument *aDoc, nsIPresShell *aPresShell, nsIContent *aRoot, nsISelectionController *aSelCon, PRUint32 aFlags);
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NS_IMETHOD SetDocumentCharacterSet(const PRUnichar* characterSet);
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/** we override this here to install event listeners */
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NS_IMETHOD PostCreate();
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NS_IMETHOD GetFlags(PRUint32 *aFlags);
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NS_IMETHOD SetFlags(PRUint32 aFlags);
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NS_IMETHOD Undo(PRUint32 aCount);
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NS_IMETHOD Redo(PRUint32 aCount);
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NS_IMETHOD Cut();
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NS_IMETHOD CanCut(PRBool &aCanCut);
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NS_IMETHOD Copy();
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NS_IMETHOD CanCopy(PRBool &aCanCopy);
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NS_IMETHOD Paste(PRInt32 aSelectionType);
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NS_IMETHOD CanPaste(PRInt32 aSelectionType, PRBool &aCanPaste);
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NS_IMETHOD InsertFromDrop();
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NS_IMETHOD OutputToString(nsString& aOutputString,
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const nsString& aFormatType,
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PRUint32 aFlags);
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NS_IMETHOD OutputToStream(nsIOutputStream* aOutputStream,
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const nsString& aFormatType,
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const nsString* aCharsetOverride,
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PRUint32 aFlags);
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NS_IMETHOD GetHeadContentsAsHTML(nsString& aOutputString);
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NS_IMETHOD ReplaceHeadContentsWithHTML(const nsString &aSourceToInsert);
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NS_IMETHOD DebugUnitTests(PRInt32 *outNumTests, PRInt32 *outNumTestsFailed);
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/** All editor operations which alter the doc should be prefaced
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* with a call to StartOperation, naming the action and direction */
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NS_IMETHOD StartOperation(PRInt32 opID, nsIEditor::EDirection aDirection);
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/** All editor operations which alter the doc should be followed
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* with a call to EndOperation, naming the action and direction */
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NS_IMETHOD EndOperation(PRInt32 opID, nsIEditor::EDirection aDirection);
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/** returns PR_TRUE if aParent can contain a child of type aTag */
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PRBool CanContainTag(nsIDOMNode* aParent, const nsString &aTag);
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/** make the given selection span the entire document */
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NS_IMETHOD SelectEntireDocument(nsIDOMSelection *aSelection);
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/** join together any afjacent editable text nodes in the range */
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NS_IMETHOD CollapseAdjacentTextNodes(nsIDOMRange *aInRange);
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/* ------------ nsICSSLoaderObserver -------------- */
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NS_IMETHOD StyleSheetLoaded(nsICSSStyleSheet*aSheet, PRBool aNotify);
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/* ------------ Utility Routines, not part of public API -------------- */
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NS_IMETHOD GetBodyStyleContext(nsIStyleContext** aStyleContext);
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/** returns the absolute position of the end points of aSelection
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* in the document as a text stream.
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*/
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nsresult GetTextSelectionOffsets(nsIDOMSelection *aSelection,
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PRInt32 &aStartOffset,
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PRInt32 &aEndOffset);
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nsresult GetAbsoluteOffsetsForPoints(nsIDOMNode *aInStartNode,
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PRInt32 aInStartOffset,
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nsIDOMNode *aInEndNode,
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PRInt32 aInEndOffset,
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nsIDOMNode *aInCommonParentNode,
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PRInt32 &aOutStartOffset,
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PRInt32 &aEndOffset);
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// Use this to assure that selection is set after attribute nodes when
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// trying to collapse selection at begining of a block node
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// e.g., when setting at beginning of a table cell
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// This will stop at a table, however, since we don't want to
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// "drill down" into nested tables.
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// aSelection is optional -- if null, we get current seletion
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nsresult CollapseSelectionToDeepestNonTableFirstChild(nsIDOMSelection *aSelection, nsIDOMNode *aNode);
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protected:
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NS_IMETHOD InitRules();
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/** install the event listeners for the editor
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* used to be part of Init, but now broken out into a separate method
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* called by PostCreate, giving the caller the chance to interpose
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* their own listeners before we install our own backstops.
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*/
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NS_IMETHOD InstallEventListeners();
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/** returns the layout object (nsIFrame in the real world) for aNode
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* @param aNode the content to get a frame for
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* @param aLayoutObject the "primary frame" for aNode, if one exists. May be null
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* @return NS_OK whether a frame is found or not
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* an error if some serious error occurs
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*/
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NS_IMETHOD GetLayoutObject(nsIDOMNode *aInNode, nsISupports **aOutLayoutObject);
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NS_IMETHOD DeleteSelectionAndPrepareToCreateNode(nsCOMPtr<nsIDOMNode> &parentSelectedNode, PRInt32& offsetOfNewNode);
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/* StyleSheet load callback */
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static void ApplyStyleSheetToPresShellDocument(nsICSSStyleSheet* aSheet, void *aData);
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/* remove the old style sheet, and apply the supplied one */
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NS_IMETHOD ReplaceStyleSheet(nsICSSStyleSheet *aNewSheet);
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// Return TRUE if aElement is a table-related elemet and caret was set
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PRBool SetCaretInTableCell(nsIDOMElement* aElement);
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PRBool IsElementInBody(nsIDOMElement* aElement);
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// inline style caching
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void CacheInlineStyles(nsIDOMNode *aNode);
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void ClearInlineStylesCache();
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// key event helpers
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NS_IMETHOD TabInTable(PRBool inIsShift, PRBool *outHandled);
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NS_IMETHOD CreateBR(nsIDOMNode *aNode, PRInt32 aOffset,
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nsCOMPtr<nsIDOMNode> *outBRNode, EDirection aSelect = eNone);
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NS_IMETHOD CreateBRImpl(nsCOMPtr<nsIDOMNode> *aInOutParent,
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PRInt32 *aInOutOffset,
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nsCOMPtr<nsIDOMNode> *outBRNode,
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EDirection aSelect);
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NS_IMETHOD InsertBR(nsCOMPtr<nsIDOMNode> *outBRNode);
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// Table Editing (implemented in nsTableEditor.cpp)
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// Table utilities
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// Insert a new cell after or before supplied aCell.
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// Optional: If aNewCell supplied, returns the newly-created cell (addref'd, of course)
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// This doesn't change or use the current selection
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NS_IMETHOD InsertCell(nsIDOMElement *aCell, PRInt32 aRowSpan, PRInt32 aColSpan,
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PRBool aAfter, nsIDOMElement **aNewCell);
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// Move all contents from aCellToMerge into aTargetCell (append at end)
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NS_IMETHOD MergeCells(nsCOMPtr<nsIDOMElement> aTargetCell, nsCOMPtr<nsIDOMElement> aCellToMerge, PRBool aDeleteCellToMerge);
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NS_IMETHOD DeleteTable2(nsCOMPtr<nsIDOMElement> &aTable, nsCOMPtr<nsIDOMSelection> &aSelection);
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NS_IMETHOD SetColSpan(nsIDOMElement *aCell, PRInt32 aColSpan);
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NS_IMETHOD SetRowSpan(nsIDOMElement *aCell, PRInt32 aRowSpan);
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// Helper used to get nsITableLayout interface for methods implemented in nsTableFrame
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NS_IMETHOD GetTableLayoutObject(nsIDOMElement* aTable, nsITableLayout **tableLayoutObject);
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// Needed to do appropriate deleting when last cell or row is about to be deleted
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// This doesn't count cells that don't start in the given row (are spanning from row above)
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PRInt32 GetNumberOfCellsInRow(nsIDOMElement* aTable, PRInt32 rowIndex);
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// Test if all cells in row or column at given index are selected
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PRBool AllCellsInRowSelected(nsIDOMElement *aTable, PRInt32 aRowIndex, PRInt32 aNumberOfColumns);
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PRBool AllCellsInColumnSelected(nsIDOMElement *aTable, PRInt32 aColIndex, PRInt32 aNumberOfRows);
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// Most insert methods need to get the same basic context data
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// Any of the pointers may be null if you don't need that datum (for more efficiency)
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// Input: *aCell is a known cell,
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// if null, cell is obtained from the anchor node of the selection
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// Returns NS_EDITOR_ELEMENT_NOT_FOUND if cell is not found even if aCell is null
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NS_IMETHOD GetCellContext(nsIDOMSelection **aSelection,
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nsIDOMElement **aTable,
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nsIDOMElement **aCell,
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nsIDOMNode **aCellParent, PRInt32 *aCellOffset,
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PRInt32 *aRowIndex, PRInt32 *aColIndex);
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NS_IMETHOD GetCellSpansAt(nsIDOMElement* aTable, PRInt32 aRowIndex, PRInt32 aColIndex,
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PRInt32& aActualRowSpan, PRInt32& aActualColSpan);
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NS_IMETHOD SplitCellIntoColumns(nsIDOMElement *aTable, PRInt32 aRowIndex, PRInt32 aColIndex,
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PRInt32 aColSpanLeft, PRInt32 aColSpanRight, nsIDOMElement **aNewCell);
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NS_IMETHOD SplitCellIntoRows(nsIDOMElement *aTable, PRInt32 aRowIndex, PRInt32 aColIndex,
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PRInt32 aRowSpanAbove, PRInt32 aRowSpanBelow, nsIDOMElement **aNewCell);
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NS_IMETHOD FixBadRowSpan(nsIDOMElement *aTable, PRInt32 aRowIndex, PRInt32& aNewRowCount);
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// Fallback method: Call this after using ClearSelection() and you
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// failed to set selection to some other content in the document
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NS_IMETHOD SetSelectionAtDocumentStart(nsIDOMSelection *aSelection);
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// End of Table Editing utilities
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NS_IMETHOD IsRootTag(nsString &aTag, PRBool &aIsTag);
|
|
|
|
NS_IMETHOD IsSubordinateBlock(nsString &aTag, PRBool &aIsTag);
|
|
|
|
static PRBool IsTable(nsIDOMNode *aNode);
|
|
static PRBool IsTableCell(nsIDOMNode *aNode);
|
|
static PRBool IsTableElement(nsIDOMNode *aNode);
|
|
static nsCOMPtr<nsIDOMNode> GetEnclosingTable(nsIDOMNode *aNode);
|
|
|
|
/** content-based query returns PR_TRUE if <aProperty aAttribute=aValue> effects aNode
|
|
* If <aProperty aAttribute=aValue> contains aNode,
|
|
* but <aProperty aAttribute=SomeOtherValue> also contains aNode and the second is
|
|
* more deeply nested than the first, then the first does not effect aNode.
|
|
*
|
|
* @param aNode The target of the query
|
|
* @param aProperty The property that we are querying for
|
|
* @param aAttribute The attribute of aProperty, example: color in <FONT color="blue">
|
|
* May be null.
|
|
* @param aValue The value of aAttribute, example: blue in <FONT color="blue">
|
|
* May be null. Ignored if aAttribute is null.
|
|
* @param aIsSet [OUT] PR_TRUE if <aProperty aAttribute=aValue> effects aNode.
|
|
* @param aStyleNode [OUT] set to the node representing <aProperty aAttribute=aValue>, if found.
|
|
* null if aIsSet is returned as PR_FALSE;
|
|
*/
|
|
virtual void IsTextPropertySetByContent(nsIDOMNode *aNode,
|
|
nsIAtom *aProperty,
|
|
const nsString *aAttribute,
|
|
const nsString *aValue,
|
|
PRBool &aIsSet,
|
|
nsIDOMNode **aStyleNode,
|
|
nsString *outValue = nsnull) const;
|
|
|
|
/** style-based query returns PR_TRUE if (aProperty, aAttribute) is set in aSC.
|
|
* WARNING: not well tested yet since we don't do style-based queries anywhere.
|
|
*/
|
|
virtual void IsTextStyleSet(nsIStyleContext *aSC,
|
|
nsIAtom *aProperty,
|
|
const nsString *aAttributes,
|
|
PRBool &aIsSet) const;
|
|
|
|
|
|
void ResetTextSelectionForRange(nsIDOMNode *aParent,
|
|
PRInt32 aStartOffset,
|
|
PRInt32 aEndOffset,
|
|
nsIDOMSelection *aSelection);
|
|
|
|
|
|
// Methods for handling plaintext quotations
|
|
NS_IMETHOD PasteAsPlaintextQuotation(PRInt32 aSelectionType);
|
|
NS_IMETHOD InsertAsPlaintextQuotation(const nsString& aQuotedText,
|
|
nsIDOMNode **aNodeInserted);
|
|
|
|
// factored methods for handling insertion of data from transferables (drag&drop or clipboard)
|
|
NS_IMETHOD PrepareTransferable(nsITransferable **transferable);
|
|
NS_IMETHOD InsertFromTransferable(nsITransferable *transferable);
|
|
|
|
/** simple utility to handle any error with event listener allocation or registration */
|
|
void HandleEventListenerError();
|
|
|
|
/* small utility routine to test the eEditorReadonly bit */
|
|
PRBool IsModifiable();
|
|
|
|
/* helpers for block transformations */
|
|
nsresult MakeDefinitionItem(const nsString& aItemType);
|
|
nsresult InsertBasicBlock(const nsString& aBlockType);
|
|
|
|
/* increase/decrease the font size of selection */
|
|
nsresult RelativeFontChange( PRInt32 aSizeChange);
|
|
|
|
/* helper routines for font size changing */
|
|
nsresult RelativeFontChangeOnTextNode( PRInt32 aSizeChange,
|
|
nsIDOMCharacterData *aTextNode,
|
|
PRInt32 aStartOffset,
|
|
PRInt32 aEndOffset);
|
|
nsresult RelativeFontChangeOnNode( PRInt32 aSizeChange,
|
|
nsIDOMNode *aNode);
|
|
|
|
/* helper routines for inline style */
|
|
nsresult SetInlinePropertyOnTextNode( nsIDOMCharacterData *aTextNode,
|
|
PRInt32 aStartOffset,
|
|
PRInt32 aEndOffset,
|
|
nsIAtom *aProperty,
|
|
const nsString *aAttribute,
|
|
const nsString *aValue);
|
|
nsresult SetInlinePropertyOnNode( nsIDOMNode *aNode,
|
|
nsIAtom *aProperty,
|
|
const nsString *aAttribute,
|
|
const nsString *aValue);
|
|
|
|
nsresult PromoteInlineRange(nsIDOMRange *inRange);
|
|
nsresult SplitStyleAboveRange(nsIDOMRange *aRange,
|
|
nsIAtom *aProperty,
|
|
const nsString *aAttribute);
|
|
nsresult SplitStyleAbovePoint(nsCOMPtr<nsIDOMNode> *aNode,
|
|
PRInt32 *aOffset,
|
|
nsIAtom *aProperty,
|
|
const nsString *aAttribute);
|
|
nsresult RemoveStyleInside(nsIDOMNode *aNode,
|
|
nsIAtom *aProperty,
|
|
const nsString *aAttribute,
|
|
PRBool aChildrenOnly = PR_FALSE);
|
|
nsresult RemoveInlinePropertyImpl(nsIAtom *aProperty, const nsString *aAttribute);
|
|
|
|
PRBool NodeIsProperty(nsIDOMNode *aNode);
|
|
PRBool HasAttr(nsIDOMNode *aNode, const nsString *aAttribute);
|
|
PRBool HasAttrVal(nsIDOMNode *aNode, const nsString *aAttribute, const nsString *aValue);
|
|
PRBool IsAtFrontOfNode(nsIDOMNode *aNode, PRInt32 aOffset);
|
|
PRBool IsAtEndOfNode(nsIDOMNode *aNode, PRInt32 aOffset);
|
|
PRBool IsOnlyAttribute(nsIDOMNode *aElement, const nsString *aAttribute);
|
|
PRBool HasMatchingAttributes(nsIDOMNode *aNode1,
|
|
nsIDOMNode *aNode2);
|
|
|
|
nsresult GetPriorHTMLSibling(nsIDOMNode *inNode, nsCOMPtr<nsIDOMNode> *outNode);
|
|
nsresult GetPriorHTMLSibling(nsIDOMNode *inParent, PRInt32 inOffset, nsCOMPtr<nsIDOMNode> *outNode);
|
|
nsresult GetNextHTMLSibling(nsIDOMNode *inNode, nsCOMPtr<nsIDOMNode> *outNode);
|
|
nsresult GetNextHTMLSibling(nsIDOMNode *inParent, PRInt32 inOffset, nsCOMPtr<nsIDOMNode> *outNode);
|
|
nsresult GetPriorHTMLNode(nsIDOMNode *inNode, nsCOMPtr<nsIDOMNode> *outNode);
|
|
nsresult GetPriorHTMLNode(nsIDOMNode *inParent, PRInt32 inOffset, nsCOMPtr<nsIDOMNode> *outNode);
|
|
nsresult GetNextHTMLNode(nsIDOMNode *inNode, nsCOMPtr<nsIDOMNode> *outNode);
|
|
nsresult GetNextHTMLNode(nsIDOMNode *inParent, PRInt32 inOffset, nsCOMPtr<nsIDOMNode> *outNode);
|
|
|
|
nsresult IsFirstEditableChild( nsIDOMNode *aNode, PRBool *aOutIsFirst);
|
|
nsresult IsLastEditableChild( nsIDOMNode *aNode, PRBool *aOutIsLast);
|
|
nsresult GetFirstEditableChild( nsIDOMNode *aNode, nsCOMPtr<nsIDOMNode> *aOutFirstChild);
|
|
nsresult GetLastEditableChild( nsIDOMNode *aNode, nsCOMPtr<nsIDOMNode> *aOutLastChild);
|
|
|
|
nsresult GetDOMEventReceiver(nsIDOMEventReceiver **aEventReceiver);
|
|
|
|
// Data members
|
|
protected:
|
|
|
|
TypeInState* mTypeInState;
|
|
nsCOMPtr<nsIEditRules> mRules;
|
|
nsCOMPtr<nsIDOMEventListener> mKeyListenerP;
|
|
nsCOMPtr<nsIDOMEventListener> mMouseListenerP;
|
|
nsCOMPtr<nsIDOMEventListener> mTextListenerP;
|
|
nsCOMPtr<nsIDOMEventListener> mCompositionListenerP;
|
|
nsCOMPtr<nsIDOMEventListener> mDragListenerP;
|
|
nsCOMPtr<nsIDOMEventListener> mFocusListenerP;
|
|
PRBool mIsComposing;
|
|
PRInt32 mMaxTextLength;
|
|
|
|
nsCOMPtr<nsIAtom> mBoldAtom;
|
|
nsCOMPtr<nsIAtom> mItalicAtom;
|
|
nsCOMPtr<nsIAtom> mUnderlineAtom;
|
|
nsCOMPtr<nsIAtom> mFontAtom;
|
|
nsCOMPtr<nsIAtom> mLinkAtom;
|
|
nsCOMPtr<nsIDOMNode> mCachedNode;
|
|
|
|
PRBool mCachedBoldStyle;
|
|
PRBool mCachedItalicStyle;
|
|
PRBool mCachedUnderlineStyle;
|
|
nsString mCachedFontName;
|
|
|
|
// Used by GetFirstSelectedCell and GetNextSelectedCell
|
|
PRInt32 mSelectedCellIndex;
|
|
|
|
public:
|
|
static nsIAtom *gTypingTxnName;
|
|
static nsIAtom *gIMETxnName;
|
|
static nsIAtom *gDeleteTxnName;
|
|
|
|
// friends
|
|
friend class nsHTMLEditRules;
|
|
friend class nsTextEditRules;
|
|
|
|
};
|
|
|
|
#endif //nsHTMLEditor_h__
|
|
|