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nsTSDNotifier.h
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00001 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00004  *
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00009  *
00010  * Software distributed under the License is distributed on an "AS IS" basis,
00011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00012  * for the specific language governing rights and limitations under the
00013  * License.
00014  *
00015  * The Original Code is mozilla.org code.
00016  *
00017  * The Initial Developer of the Original Code is
00018  * Netscape Communications Corporation.
00019  * Portions created by the Initial Developer are Copyright (C) 1998
00020  * the Initial Developer. All Rights Reserved.
00021  *
00022  * Contributor(s):
00023  *
00024  * Alternatively, the contents of this file may be used under the terms of
00025  * either of the GNU General Public License Version 2 or later (the "GPL"),
00026  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00027  * in which case the provisions of the GPL or the LGPL are applicable instead
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00036  * ***** END LICENSE BLOCK ***** */
00037 
00038 #ifndef nsTSDNotifier_h__
00039 #define nsTSDNotifier_h__
00040 
00041 #include "nsCOMPtr.h"
00042 #include "nsIEditActionListener.h"
00043 
00044 class nsTextServicesDocument;
00045 
00046 class nsTSDNotifier : public nsIEditActionListener
00047 {
00048 private:
00049 
00050   nsTextServicesDocument *mDoc;
00051 
00052 public:
00053 
00056   nsTSDNotifier(nsTextServicesDocument *aDoc);
00057 
00060   virtual ~nsTSDNotifier();
00061 
00062   /* Macro for AddRef(), Release(), and QueryInterface() */
00063   NS_DECL_ISUPPORTS
00064 
00065   /* nsIEditActionListener method implementations. */
00066   NS_IMETHOD WillInsertNode(nsIDOMNode *aNode,
00067                             nsIDOMNode *aParent,
00068                             PRInt32      aPosition);
00069   NS_IMETHOD DidInsertNode(nsIDOMNode *aNode,
00070                            nsIDOMNode *aParent,
00071                            PRInt32     aPosition,
00072                            nsresult    aResult);
00073 
00074   NS_IMETHOD WillDeleteNode(nsIDOMNode *aChild);
00075   NS_IMETHOD DidDeleteNode(nsIDOMNode *aChild, nsresult aResult);
00076 
00077   NS_IMETHOD WillSplitNode(nsIDOMNode * aExistingRightNode,
00078                            PRInt32      aOffset);
00079   NS_IMETHOD DidSplitNode(nsIDOMNode *aExistingRightNode,
00080                           PRInt32     aOffset,
00081                           nsIDOMNode *aNewLeftNode,
00082                           nsresult    aResult);
00083 
00084   NS_IMETHOD WillJoinNodes(nsIDOMNode  *aLeftNode,
00085                            nsIDOMNode  *aRightNode,
00086                            nsIDOMNode  *aParent);
00087   NS_IMETHOD DidJoinNodes(nsIDOMNode  *aLeftNode,
00088                           nsIDOMNode  *aRightNode,
00089                           nsIDOMNode  *aParent,
00090                           nsresult     aResult);
00091   // these listen methods are unused:                        
00092   NS_IMETHOD WillCreateNode(const nsAString& aTag, nsIDOMNode *aParent, PRInt32 aPosition);
00093   NS_IMETHOD DidCreateNode(const nsAString& aTag, nsIDOMNode *aNode, nsIDOMNode *aParent, PRInt32 aPosition, nsresult aResult);
00094   NS_IMETHOD WillInsertText(nsIDOMCharacterData *aTextNode, PRInt32 aOffset, const nsAString &aString);
00095   NS_IMETHOD DidInsertText(nsIDOMCharacterData *aTextNode, PRInt32 aOffset, const nsAString &aString, nsresult aResult);
00096   NS_IMETHOD WillDeleteText(nsIDOMCharacterData *aTextNode, PRInt32 aOffset, PRInt32 aLength);
00097   NS_IMETHOD DidDeleteText(nsIDOMCharacterData *aTextNode, PRInt32 aOffset, PRInt32 aLength, nsresult aResult);
00098   NS_IMETHOD WillDeleteSelection(nsISelection *aSelection);
00099   NS_IMETHOD DidDeleteSelection(nsISelection *aSelection);
00100 };
00101 
00102 #endif // nsTSDNotifier_h__