зеркало из https://github.com/mozilla/gecko-dev.git
137 строки
5.3 KiB
C++
137 строки
5.3 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 License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef nsIEditActionListener_h__
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#define nsIEditActionListener_h__
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#include "nsISupports.h"
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#include "nscore.h"
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class nsIDOMNode;
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/*
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Editor Action Listener interface to outside world
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*/
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#define NS_IEDITACTIONLISTENER_IID \
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{/* B22907B1-EE93-11d2-8D50-000064657374*/ \
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0xb22907b1, 0xee93, 0x11d2, \
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{ 0x8d, 0x50, 0x0, 0x0, 0x64, 0x65, 0x73, 0x74} }
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/**
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* A generic editor action listener interface.
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* <P>
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* nsIEditActionListener is the interface used by applications wishing to be notified
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* when the editor modifies the DOM tree.
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*
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* Note: this is the wrong class to implement if you are interested in generic
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* change notifications. For generic notifications, you should implement
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* nsIDocumentObserver.
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*/
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class nsIEditActionListener : public nsISupports{
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public:
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static const nsIID& GetIID() { static nsIID iid = NS_IEDITACTIONLISTENER_IID; return iid; }
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/**
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* Called before the editor inserts a node.
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* @param aNode The DOM Node to insert.
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* @param aParent The node to insert the new object into
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* @param aPosition The place in aParent to insert the new node
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* 0=first child, 1=second child, etc.
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* any number > number of current children = last child
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*/
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NS_IMETHOD WillInsertNode(nsIDOMNode *aNode,
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nsIDOMNode *aParent,
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PRInt32 aPosition)=0;
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/**
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* Called after the editor inserts a node.
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* @param aNode The DOM Node to insert.
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* @param aParent The node to insert the new object into
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* @param aPosition The place in aParent to insert the new node
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* 0=first child, 1=second child, etc.
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* any number > number of current children = last child
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* @param aResult The result of the insert node operation.
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*/
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NS_IMETHOD DidInsertNode(nsIDOMNode *aNode,
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nsIDOMNode *aParent,
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PRInt32 aPosition,
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nsresult aResult)=0;
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/**
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* Called before the editor deletes a node.
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* @param aChild The node to delete
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*/
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NS_IMETHOD WillDeleteNode(nsIDOMNode *aChild)=0;
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/**
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* Called after the editor deletes a node.
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* @param aChild The node to delete
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* @param aResult The result of the delete node operation.
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*/
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NS_IMETHOD DidDeleteNode(nsIDOMNode *aChild, nsresult aResult)=0;
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/**
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* Called before the editor splits a node.
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* @param aExistingRightNode the node to split. It will become the new node's next sibling.
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* @param aOffset the offset of aExistingRightNode's content|children to do the split at
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* @param aNewLeftNode [OUT] the new node resulting from the split, becomes aExistingRightNode's previous sibling.
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*/
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NS_IMETHOD WillSplitNode(nsIDOMNode *aExistingRightNode,
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PRInt32 aOffset)=0;
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/**
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* Called after the editor splits a node.
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* @param aExistingRightNode the node to split. It will become the new node's next sibling.
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* @param aOffset the offset of aExistingRightNode's content|children to do the split at
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* @param aNewLeftNode [OUT] the new node resulting from the split, becomes aExistingRightNode's previous sibling.
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*/
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NS_IMETHOD DidSplitNode(nsIDOMNode *aExistingRightNode,
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PRInt32 aOffset,
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nsIDOMNode *aNewLeftNode,
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nsresult aResult)=0;
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/**
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* Called before the editor joins 2 nodes.
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* @param aLeftNode This node will be merged into the right node
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* @param aRightNode The node that will be merged into.
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* There is no requirement that the two nodes be of
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* the same type.
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* @param aParent The parent of aRightNode
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*/
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NS_IMETHOD WillJoinNodes(nsIDOMNode *aLeftNode,
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nsIDOMNode *aRightNode,
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nsIDOMNode *aParent)=0;
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/**
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* Called before the editor joins 2 nodes.
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* @param aLeftNode This node will be merged into the right node
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* @param aRightNode The node that will be merged into.
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* There is no requirement that the two nodes be of
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* the same type.
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* @param aParent The parent of aRightNode
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* @param aResult The result of the join operation.
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*/
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NS_IMETHOD DidJoinNodes(nsIDOMNode *aLeftNode,
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nsIDOMNode *aRightNode,
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nsIDOMNode *aParent,
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nsresult aResult)=0;
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};
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#endif //nsIEditActionListener_h__
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