LCOV - code coverage report
Current view: directory - editor/libeditor/base - DeleteRangeTxn.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 DeleteRangeTxn_h__
      39                 : #define DeleteRangeTxn_h__
      40                 : 
      41                 : #include "EditAggregateTxn.h"
      42                 : #include "nsIDOMNode.h"
      43                 : #include "nsIDOMRange.h"
      44                 : #include "nsIEditor.h"
      45                 : #include "nsCOMPtr.h"
      46                 : 
      47                 : class nsIDOMRange;
      48                 : class nsIEditor;
      49                 : class nsRangeUpdater;
      50                 : 
      51                 : /**
      52                 :  * A transaction that deletes an entire range in the content tree
      53                 :  */
      54                 : class DeleteRangeTxn : public EditAggregateTxn
      55               0 : {
      56                 : public:
      57                 :   /** initialize the transaction.
      58                 :     * @param aEditor the object providing basic editing operations
      59                 :     * @param aRange  the range to delete
      60                 :     */
      61                 :   NS_IMETHOD Init(nsIEditor *aEditor, 
      62                 :                   nsIDOMRange *aRange,
      63                 :                   nsRangeUpdater *aRangeUpdater);
      64                 : 
      65                 :   DeleteRangeTxn();
      66                 : 
      67            1464 :   NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(DeleteRangeTxn, EditAggregateTxn)
      68                 :   NS_IMETHOD QueryInterface(REFNSIID aIID, void** aInstancePtr);
      69                 : 
      70                 :   NS_DECL_EDITTXN
      71                 : 
      72                 :   NS_IMETHOD RedoTransaction();
      73                 : 
      74                 : protected:
      75                 : 
      76                 :   NS_IMETHOD CreateTxnsToDeleteBetween(nsIDOMNode *aStartParent, 
      77                 :                                              PRUint32    aStartOffset, 
      78                 :                                              PRUint32    aEndOffset);
      79                 : 
      80                 :   NS_IMETHOD CreateTxnsToDeleteNodesBetween();
      81                 : 
      82                 :   NS_IMETHOD CreateTxnsToDeleteContent(nsIDOMNode *aParent, 
      83                 :                                              PRUint32 aOffset, 
      84                 :                                              nsIEditor::EDirection aAction);
      85                 :   
      86                 : protected:
      87                 :   
      88                 :   /** p1 in the range */
      89                 :   nsCOMPtr<nsIDOMRange> mRange;                   // is this really an owning ptr?
      90                 : 
      91                 :   /** p1 in the range */
      92                 :   nsCOMPtr<nsIDOMNode> mStartParent;
      93                 : 
      94                 :   /** p1 offset */
      95                 :   PRInt32 mStartOffset;
      96                 : 
      97                 :   /** p2 in the range */
      98                 :   nsCOMPtr<nsIDOMNode> mEndParent;
      99                 : 
     100                 :   /** the closest common parent of p1 and p2 */
     101                 :   nsCOMPtr<nsIDOMNode> mCommonParent;
     102                 : 
     103                 :   /** p2 offset */
     104                 :   PRInt32 mEndOffset;
     105                 : 
     106                 :   /** the editor for this transaction */
     107                 :   nsIEditor* mEditor;
     108                 : 
     109                 :   /** range updater object */
     110                 :   nsRangeUpdater *mRangeUpdater;
     111                 : };
     112                 : 
     113                 : #endif

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