зеркало из https://github.com/mozilla/pjs.git
256 строки
14 KiB
C++
256 строки
14 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: NPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the NPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsHTMLEditRules_h__
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#define nsHTMLEditRules_h__
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#include "nsTextEditRules.h"
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#include "nsIHTMLEditRules.h"
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#include "nsIEditActionListener.h"
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#include "nsISupportsArray.h"
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#include "nsCOMPtr.h"
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#include "nsString.h"
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class nsISupportsArray;
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class nsVoidArray;
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class nsIDOMElement;
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class nsIEditor;
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class nsHTMLEditor;
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class nsHTMLEditRules : public nsIHTMLEditRules, public nsTextEditRules, public nsIEditActionListener
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{
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public:
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NS_DECL_ISUPPORTS_INHERITED
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nsHTMLEditRules();
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virtual ~nsHTMLEditRules();
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// nsIEditRules methods
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NS_IMETHOD Init(nsPlaintextEditor *aEditor, PRUint32 aFlags);
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NS_IMETHOD BeforeEdit(PRInt32 action, nsIEditor::EDirection aDirection);
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NS_IMETHOD AfterEdit(PRInt32 action, nsIEditor::EDirection aDirection);
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NS_IMETHOD WillDoAction(nsISelection *aSelection, nsRulesInfo *aInfo, PRBool *aCancel, PRBool *aHandled);
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NS_IMETHOD DidDoAction(nsISelection *aSelection, nsRulesInfo *aInfo, nsresult aResult);
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// nsIHTMLEditRules methods
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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 GetAlignment(PRBool *aMixed, nsIHTMLEditor::EAlignment *aAlign);
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NS_IMETHOD GetParagraphState(PRBool *aMixed, nsAWritableString &outFormat);
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// nsIEditActionListener methods
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NS_IMETHOD WillCreateNode(const nsAReadableString& aTag, nsIDOMNode *aParent, PRInt32 aPosition);
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NS_IMETHOD DidCreateNode(const nsAReadableString& aTag, nsIDOMNode *aNode, nsIDOMNode *aParent, PRInt32 aPosition, nsresult aResult);
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NS_IMETHOD WillInsertNode(nsIDOMNode *aNode, nsIDOMNode *aParent, PRInt32 aPosition);
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NS_IMETHOD DidInsertNode(nsIDOMNode *aNode, nsIDOMNode *aParent, PRInt32 aPosition, nsresult aResult);
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NS_IMETHOD WillDeleteNode(nsIDOMNode *aChild);
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NS_IMETHOD DidDeleteNode(nsIDOMNode *aChild, nsresult aResult);
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NS_IMETHOD WillSplitNode(nsIDOMNode *aExistingRightNode, PRInt32 aOffset);
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NS_IMETHOD DidSplitNode(nsIDOMNode *aExistingRightNode, PRInt32 aOffset, nsIDOMNode *aNewLeftNode, nsresult aResult);
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NS_IMETHOD WillJoinNodes(nsIDOMNode *aLeftNode, nsIDOMNode *aRightNode, nsIDOMNode *aParent);
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NS_IMETHOD DidJoinNodes(nsIDOMNode *aLeftNode, nsIDOMNode *aRightNode, nsIDOMNode *aParent, nsresult aResult);
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NS_IMETHOD WillInsertText(nsIDOMCharacterData *aTextNode, PRInt32 aOffset, const nsAReadableString &aString);
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NS_IMETHOD DidInsertText(nsIDOMCharacterData *aTextNode, PRInt32 aOffset, const nsAReadableString &aString, nsresult aResult);
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NS_IMETHOD WillDeleteText(nsIDOMCharacterData *aTextNode, PRInt32 aOffset, PRInt32 aLength);
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NS_IMETHOD DidDeleteText(nsIDOMCharacterData *aTextNode, PRInt32 aOffset, PRInt32 aLength, nsresult aResult);
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NS_IMETHOD WillDeleteRange(nsIDOMRange *aRange);
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NS_IMETHOD DidDeleteRange(nsIDOMRange *aRange);
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NS_IMETHOD WillDeleteSelection(nsISelection *aSelection);
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NS_IMETHOD DidDeleteSelection(nsISelection *aSelection);
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protected:
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enum RulesEndpoint
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{
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kStart,
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kEnd
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};
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enum BRLocation
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{
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kBeforeBlock,
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kBlockEnd
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};
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// nsHTMLEditRules implementation methods
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nsresult WillInsert(nsISelection *aSelection, PRBool *aCancel);
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nsresult DidInsert(nsISelection *aSelection, nsresult aResult);
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nsresult WillInsertText( PRInt32 aAction,
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nsISelection *aSelection,
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PRBool *aCancel,
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PRBool *aHandled,
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const nsAReadableString *inString,
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nsAWritableString *outString,
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PRInt32 aMaxLength);
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nsresult WillLoadHTML(nsISelection *aSelection, PRBool *aCancel);
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nsresult WillInsertBreak(nsISelection *aSelection, PRBool *aCancel, PRBool *aHandled);
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nsresult DidInsertBreak(nsISelection *aSelection, nsresult aResult);
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nsresult WillDeleteSelection(nsISelection *aSelection, nsIEditor::EDirection aAction,
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PRBool *aCancel, PRBool *aHandled);
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nsresult JoinBlocks(nsISelection *aSelection, nsCOMPtr<nsIDOMNode> *aLeftBlock,
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nsCOMPtr<nsIDOMNode> *aRightBlock, PRBool *aCanceled);
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nsresult MoveBlock(nsISelection *aSelection, nsIDOMNode *aNewParent, PRInt32 aOffset = -1);
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nsresult MoveNodeSmart(nsIDOMNode *aSource, nsIDOMNode *aDest, PRInt32 *aOffset);
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nsresult MoveContents(nsIDOMNode *aSource, nsIDOMNode *aDest, PRInt32 *aOffset);
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nsresult DeleteNonTableElements(nsIDOMNode *aNode);
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nsresult WillMakeList(nsISelection *aSelection, const nsAReadableString *aListType, PRBool aEntireList, PRBool *aCancel, PRBool *aHandled, const nsAReadableString *aItemType=nsnull);
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nsresult WillRemoveList(nsISelection *aSelection, PRBool aOrderd, PRBool *aCancel, PRBool *aHandled);
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nsresult WillIndent(nsISelection *aSelection, PRBool *aCancel, PRBool *aHandled);
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nsresult WillOutdent(nsISelection *aSelection, PRBool *aCancel, PRBool *aHandled);
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nsresult WillAlign(nsISelection *aSelection, const nsAReadableString *alignType, PRBool *aCancel, PRBool *aHandled);
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nsresult WillMakeDefListItem(nsISelection *aSelection, const nsAReadableString *aBlockType, PRBool aEntireList, PRBool *aCancel, PRBool *aHandled);
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nsresult WillMakeBasicBlock(nsISelection *aSelection, const nsAReadableString *aBlockType, PRBool *aCancel, PRBool *aHandled);
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nsresult DidMakeBasicBlock(nsISelection *aSelection, nsRulesInfo *aInfo, nsresult aResult);
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nsresult AlignInnerBlocks(nsIDOMNode *aNode, const nsAReadableString *alignType);
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nsresult AlignBlockContents(nsIDOMNode *aNode, const nsAReadableString *alignType);
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nsresult GetInnerContent(nsIDOMNode *aNode, nsISupportsArray *outArrayOfNodes, PRBool aList = PR_TRUE, PRBool aTble = PR_TRUE);
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nsresult InsertTab(nsISelection *aSelection, nsAWritableString *outString);
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nsCOMPtr<nsIDOMNode> IsInListItem(nsIDOMNode *aNode);
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nsresult ReturnInHeader(nsISelection *aSelection, nsIDOMNode *aHeader, nsIDOMNode *aTextNode, PRInt32 aOffset);
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nsresult ReturnInParagraph(nsISelection *aSelection, nsIDOMNode *aHeader, nsIDOMNode *aTextNode, PRInt32 aOffset, PRBool *aCancel, PRBool *aHandled);
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nsresult ReturnInListItem(nsISelection *aSelection, nsIDOMNode *aHeader, nsIDOMNode *aTextNode, PRInt32 aOffset);
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nsresult AfterEditInner(PRInt32 action, nsIEditor::EDirection aDirection);
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nsresult RemovePartOfBlock(nsIDOMNode *curBlockQuote,
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nsIDOMNode *firstBQChild,
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nsIDOMNode *lastBQChild);
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nsresult ConvertListType(nsIDOMNode *aList, nsCOMPtr<nsIDOMNode> *outList, const nsAReadableString& aListType, const nsAReadableString& aItemType);
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nsresult CreateStyleForInsertText(nsISelection *aSelection, nsIDOMDocument *aDoc);
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nsresult IsEmptyBlock(nsIDOMNode *aNode,
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PRBool *outIsEmptyBlock,
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PRBool aMozBRDoesntCount = PR_FALSE,
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PRBool aListItemsNotEmpty = PR_FALSE);
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nsresult CheckForEmptyBlock(nsIDOMNode *aStartNode,
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nsIDOMNode *aBodyNode,
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nsISelection *aSelection,
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PRBool *aHandled);
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nsresult CheckForWhitespaceDeletion(nsCOMPtr<nsIDOMNode> *ioStartNode,
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PRInt32 *ioStartOffset,
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PRInt32 aAction,
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PRBool *aHandled);
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nsresult CheckForInvisibleBR(nsIDOMNode *aBlock, BRLocation aWhere,
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nsCOMPtr<nsIDOMNode> *outBRNode, PRInt32 aOffset=0);
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PRBool IsFirstNode(nsIDOMNode *aNode);
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PRBool IsLastNode(nsIDOMNode *aNode);
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PRBool AtStartOfBlock(nsIDOMNode *aNode, PRInt32 aOffset, nsIDOMNode *aBlock);
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PRBool AtEndOfBlock(nsIDOMNode *aNode, PRInt32 aOffset, nsIDOMNode *aBlock);
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nsresult GetPromotedPoint(RulesEndpoint aWhere, nsIDOMNode *aNode, PRInt32 aOffset,
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PRInt32 actionID, nsCOMPtr<nsIDOMNode> *outNode, PRInt32 *outOffset);
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nsresult GetPromotedRanges(nsISelection *inSelection,
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nsCOMPtr<nsISupportsArray> *outArrayOfRanges,
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PRInt32 inOperationType);
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nsresult PromoteRange(nsIDOMRange *inRange, PRInt32 inOperationType);
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nsresult GetNodesForOperation(nsISupportsArray *inArrayOfRanges,
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nsCOMPtr<nsISupportsArray> *outArrayOfNodes,
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PRInt32 inOperationType,
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PRBool aDontTouchContent=PR_FALSE);
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nsresult GetChildNodesForOperation(nsIDOMNode *inNode,
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nsCOMPtr<nsISupportsArray> *outArrayOfNodes);
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nsresult GetNodesFromSelection(nsISelection *selection,
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PRInt32 operation,
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nsCOMPtr<nsISupportsArray> *arrayOfNodes,
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PRBool aDontTouchContent=PR_FALSE);
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nsresult GetListActionNodes(nsCOMPtr<nsISupportsArray> *outArrayOfNodes, PRBool aEntireList, PRBool aDontTouchContent=PR_FALSE);
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nsresult GetDefinitionListItemTypes(nsIDOMNode *aNode, PRBool &aDT, PRBool &aDD);
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nsresult GetParagraphFormatNodes(nsCOMPtr<nsISupportsArray> *outArrayOfNodes, PRBool aDontTouchContent=PR_FALSE);
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nsresult LookInsideDivBQandList(nsISupportsArray *aNodeArray);
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nsresult BustUpInlinesAtRangeEndpoints(nsRangeStore &inRange);
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nsresult BustUpInlinesAtBRs(nsIDOMNode *inNode,
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nsCOMPtr<nsISupportsArray> *outArrayOfNodes);
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nsCOMPtr<nsIDOMNode> GetHighestInlineParent(nsIDOMNode* aNode);
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nsresult MakeTransitionList(nsISupportsArray *inArrayOfNodes,
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nsVoidArray *inTransitionArray);
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nsresult RemoveBlockStyle(nsISupportsArray *arrayOfNodes);
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nsresult ApplyBlockStyle(nsISupportsArray *arrayOfNodes, const nsAReadableString *aBlockTag);
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nsresult MakeBlockquote(nsISupportsArray *arrayOfNodes);
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nsresult SplitAsNeeded(const nsAReadableString *aTag, nsCOMPtr<nsIDOMNode> *inOutParent, PRInt32 *inOutOffset);
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nsresult AddTerminatingBR(nsIDOMNode *aBlock);
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nsresult JoinNodesSmart( nsIDOMNode *aNodeLeft,
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nsIDOMNode *aNodeRight,
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nsCOMPtr<nsIDOMNode> *aOutMergeParent,
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PRInt32 *aOutMergeOffset);
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nsresult GetTopEnclosingMailCite(nsIDOMNode *aNode, nsCOMPtr<nsIDOMNode> *aOutCiteNode, PRBool aPlaintext);
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nsresult PopListItem(nsIDOMNode *aListItem, PRBool *aOutOfList);
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nsresult RemoveListStructure(nsIDOMNode *aList);
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nsresult AdjustSpecialBreaks(PRBool aSafeToAskFrames = PR_FALSE);
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nsresult AdjustWhitespace(nsISelection *aSelection);
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nsresult PinSelectionToNewBlock(nsISelection *aSelection);
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nsresult CheckInterlinePosition(nsISelection *aSelection);
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nsresult AdjustSelection(nsISelection *aSelection, nsIEditor::EDirection aAction);
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nsresult FindNearSelectableNode(nsIDOMNode *aSelNode,
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PRInt32 aSelOffset,
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nsIEditor::EDirection &aDirection,
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nsCOMPtr<nsIDOMNode> *outSelectableNode);
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nsresult InDifferentTableElements(nsIDOMNode *aNode1, nsIDOMNode *aNode2, PRBool *aResult);
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nsresult RemoveEmptyNodes();
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nsresult SelectionEndpointInNode(nsIDOMNode *aNode, PRBool *aResult);
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nsresult DoTextNodeWhitespace(nsIDOMCharacterData *aTextNode, PRInt32 aStart, PRInt32 aEnd);
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nsresult UpdateDocChangeRange(nsIDOMRange *aRange);
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nsresult ConvertWhitespace(const nsAReadableString & inString, nsAWritableString & outString);
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nsresult ConfirmSelectionInBody();
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nsresult InsertMozBRIfNeeded(nsIDOMNode *aNode);
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PRBool IsVisBreak(nsIDOMNode *aNode);
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PRBool IsEmptyInline(nsIDOMNode *aNode);
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PRBool ListIsEmptyLine(nsISupportsArray *arrayOfNodes);
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nsresult RemoveAlignmentInside(nsIDOMNode * aNode);
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nsresult MakeSureElemStartsOrEndsOnCR(nsIDOMNode *aNode, PRBool aStarts);
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nsresult MakeSureElemStartsOrEndsOnCR(nsIDOMNode *aNode);
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// data members
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protected:
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nsHTMLEditor *mHTMLEditor;
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nsCOMPtr<nsIDOMRange> mDocChangeRange;
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PRBool mListenerEnabled;
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PRBool mReturnInEmptyLIKillsList;
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nsCOMPtr<nsIDOMRange> mUtilRange;
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PRUint32 mJoinOffset; // need to remember an int across willJoin/didJoin...
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nsCOMPtr<nsIDOMNode> mNewBlock;
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};
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nsresult NS_NewHTMLEditRules(nsIEditRules** aInstancePtrResult);
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#endif //nsHTMLEditRules_h__
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