LCOV - code coverage report
Current view: directory - editor/libeditor/base - SplitElementTxn.h (source / functions) Found Hit Coverage
Test: app.info Lines: 2 1 50.0 %
Date: 2012-06-02 Functions: 4 1 25.0 %

       1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2                 : /* ***** BEGIN LICENSE BLOCK *****
       3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       4                 :  *
       5                 :  * The contents of this file are subject to the Mozilla Public License Version
       6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       7                 :  * the License. You may obtain a copy of the License at
       8                 :  * http://www.mozilla.org/MPL/
       9                 :  *
      10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      12                 :  * for the specific language governing rights and limitations under the
      13                 :  * License.
      14                 :  *
      15                 :  * The Original Code is mozilla.org code.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is
      18                 :  * Netscape Communications Corporation.
      19                 :  * Portions created by the Initial Developer are Copyright (C) 1998-1999
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *
      24                 :  * Alternatively, the contents of this file may be used under the terms of
      25                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
      26                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      27                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      28                 :  * of those above. If you wish to allow use of your version of this file only
      29                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      30                 :  * use your version of this file under the terms of the MPL, indicate your
      31                 :  * decision by deleting the provisions above and replace them with the notice
      32                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      33                 :  * the provisions above, a recipient may use your version of this file under
      34                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      35                 :  *
      36                 :  * ***** END LICENSE BLOCK ***** */
      37                 : 
      38                 : #ifndef SplitElementTxn_h__
      39                 : #define SplitElementTxn_h__
      40                 : 
      41                 : #include "EditTxn.h"
      42                 : #include "nsIDOMNode.h"
      43                 : #include "nsCOMPtr.h"
      44                 : #include "nsIEditor.h"
      45                 : 
      46                 : class nsEditor;
      47                 : 
      48                 : /**
      49                 :  * A transaction that splits an element E into two identical nodes, E1 and E2
      50                 :  * with the children of E divided between E1 and E2.
      51                 :  */
      52                 : class SplitElementTxn : public EditTxn
      53               0 : {
      54                 : public:
      55                 :   /** initialize the transaction.
      56                 :     * @param aEditor  the provider of core editing operations
      57                 :     * @param aNode    the node to split
      58                 :     * @param aOffset  the location within aNode to do the split.
      59                 :     *                 aOffset may refer to children of aNode, or content of aNode.
      60                 :     *                 The left node will have child|content 0..aOffset-1.
      61                 :     */
      62                 :   NS_IMETHOD Init (nsEditor   *aEditor,
      63                 :                    nsIDOMNode *aNode,
      64                 :                    PRInt32     aOffset);
      65                 : 
      66                 :   SplitElementTxn();
      67                 : 
      68                 :   NS_DECL_ISUPPORTS_INHERITED
      69            1464 :   NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(SplitElementTxn, EditTxn)
      70                 : 
      71                 :   NS_DECL_EDITTXN
      72                 : 
      73                 :   NS_IMETHOD RedoTransaction(void);
      74                 : 
      75                 :   NS_IMETHOD GetNewNode(nsIDOMNode **aNewNode);
      76                 : 
      77                 : protected:
      78                 :   
      79                 :   /** the element to operate upon */
      80                 :   nsCOMPtr<nsIDOMNode> mExistingRightNode;
      81                 : 
      82                 :   /** the offset into mElement where the children of mElement are split.<BR>
      83                 :     * mOffset is the index of the first child in the right node. 
      84                 :     * -1 means the new node gets no children.
      85                 :     */
      86                 :   PRInt32  mOffset;
      87                 : 
      88                 :   /** the element we create when splitting mElement */
      89                 :   nsCOMPtr<nsIDOMNode> mNewLeftNode;
      90                 : 
      91                 :   /** the parent shared by mExistingRightNode and mNewLeftNode */
      92                 :   nsCOMPtr<nsIDOMNode> mParent;
      93                 :   nsEditor*  mEditor;
      94                 : };
      95                 : 
      96                 : #endif

Generated by: LCOV version 1.7