LCOV - code coverage report
Current view: directory - editor/libeditor/base - DeleteTextTxn.h (source / functions) Found Hit Coverage
Test: app.info Lines: 4 1 25.0 %
Date: 2012-06-02 Functions: 6 1 16.7 %

       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 DeleteTextTxn_h__
      39                 : #define DeleteTextTxn_h__
      40                 : 
      41                 : #include "EditTxn.h"
      42                 : #include "nsIEditor.h"
      43                 : #include "nsIDOMCharacterData.h"
      44                 : #include "nsCOMPtr.h"
      45                 : 
      46                 : class nsRangeUpdater;
      47                 : 
      48                 : /**
      49                 :  * A transaction that removes text from a content node. 
      50                 :  */
      51                 : class DeleteTextTxn : public EditTxn
      52               0 : {
      53                 : public:
      54                 :   /** initialize the transaction.
      55                 :     * @param aEditor  the provider of basic editing operations
      56                 :     * @param aElement the content node to remove text from
      57                 :     * @param aOffset  the location in aElement to begin the deletion
      58                 :     * @param aNumCharsToDelete  the number of characters to delete.  Not the number of bytes!
      59                 :     */
      60                 :   NS_IMETHOD Init(nsIEditor *aEditor,
      61                 :                   nsIDOMCharacterData *aElement,
      62                 :                   PRUint32 aOffset,
      63                 :                   PRUint32 aNumCharsToDelete,
      64                 :                   nsRangeUpdater *aRangeUpdater);
      65                 : 
      66                 :   DeleteTextTxn();
      67                 : 
      68            1464 :   NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(DeleteTextTxn, EditTxn)
      69                 :   NS_IMETHOD QueryInterface(REFNSIID aIID, void** aInstancePtr);
      70                 : 
      71                 :   NS_DECL_EDITTXN
      72                 : 
      73               0 :   PRUint32 GetOffset() { return mOffset; }
      74                 : 
      75               0 :   PRUint32 GetNumCharsToDelete() { return mNumCharsToDelete; }
      76                 : 
      77                 : protected:
      78                 : 
      79                 :   /** the provider of basic editing operations */
      80                 :   nsIEditor* mEditor;
      81                 : 
      82                 :   /** the text element to operate upon */
      83                 :   nsCOMPtr<nsIDOMCharacterData> mElement;
      84                 :   
      85                 :   /** the offset into mElement where the deletion is to take place */
      86                 :   PRUint32 mOffset;
      87                 : 
      88                 :   /** the number of characters to delete */
      89                 :   PRUint32 mNumCharsToDelete;
      90                 : 
      91                 :   /** the text that was deleted */
      92                 :   nsString mDeletedText;
      93                 : 
      94                 :   /** range updater object */
      95                 :   nsRangeUpdater *mRangeUpdater;
      96                 : };
      97                 : 
      98                 : #endif

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