LCOV - code coverage report
Current view: directory - editor/libeditor/base - ChangeAttributeTxn.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 57 2 3.5 %
Date: 2012-06-02 Functions: 14 2 14.3 %

       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
      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                 : #include "ChangeAttributeTxn.h"
      39                 : #include "nsIDOMElement.h"
      40                 : 
      41               0 : ChangeAttributeTxn::ChangeAttributeTxn()
      42               0 :   : EditTxn()
      43                 : {
      44               0 : }
      45                 : 
      46            1464 : NS_IMPL_CYCLE_COLLECTION_CLASS(ChangeAttributeTxn)
      47                 : 
      48               0 : NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(ChangeAttributeTxn, EditTxn)
      49               0 :   NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mElement)
      50               0 : NS_IMPL_CYCLE_COLLECTION_UNLINK_END
      51                 : 
      52               0 : NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(ChangeAttributeTxn, EditTxn)
      53               0 :   NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR(mElement)
      54               0 : NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
      55                 : 
      56               0 : NS_IMPL_ADDREF_INHERITED(ChangeAttributeTxn, EditTxn)
      57               0 : NS_IMPL_RELEASE_INHERITED(ChangeAttributeTxn, EditTxn)
      58               0 : NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(ChangeAttributeTxn)
      59               0 : NS_INTERFACE_MAP_END_INHERITING(EditTxn)
      60                 : 
      61               0 : NS_IMETHODIMP ChangeAttributeTxn::Init(nsIEditor      *aEditor,
      62                 :                                        nsIDOMElement  *aElement,
      63                 :                                        const nsAString& aAttribute,
      64                 :                                        const nsAString& aValue,
      65                 :                                        bool aRemoveAttribute)
      66                 : {
      67               0 :   NS_ASSERTION(aEditor && aElement, "bad arg");
      68               0 :   if (!aEditor || !aElement) { return NS_ERROR_NULL_POINTER; }
      69                 : 
      70               0 :   mEditor = aEditor;
      71               0 :   mElement = do_QueryInterface(aElement);
      72               0 :   mAttribute = aAttribute;
      73               0 :   mValue = aValue;
      74               0 :   mRemoveAttribute = aRemoveAttribute;
      75               0 :   mAttributeWasSet=false;
      76               0 :   mUndoValue.Truncate();
      77               0 :   return NS_OK;
      78                 : }
      79                 : 
      80               0 : NS_IMETHODIMP ChangeAttributeTxn::DoTransaction(void)
      81                 : {
      82               0 :   NS_ASSERTION(mEditor && mElement, "bad state");
      83               0 :   if (!mEditor || !mElement) { return NS_ERROR_NOT_INITIALIZED; }
      84                 : 
      85                 :   // need to get the current value of the attribute and save it, and set mAttributeWasSet
      86               0 :   nsresult result = mEditor->GetAttributeValue(mElement, mAttribute, mUndoValue, &mAttributeWasSet);
      87                 :   // XXX: hack until attribute-was-set code is implemented
      88               0 :   if (!mUndoValue.IsEmpty())
      89               0 :     mAttributeWasSet = true;
      90                 :   // XXX: end hack
      91                 :   
      92                 :   // now set the attribute to the new value
      93               0 :   if (!mRemoveAttribute)
      94               0 :     result = mElement->SetAttribute(mAttribute, mValue);
      95                 :   else
      96               0 :     result = mElement->RemoveAttribute(mAttribute);
      97                 : 
      98               0 :   return result;
      99                 : }
     100                 : 
     101               0 : NS_IMETHODIMP ChangeAttributeTxn::UndoTransaction(void)
     102                 : {
     103               0 :   NS_ASSERTION(mEditor && mElement, "bad state");
     104               0 :   if (!mEditor || !mElement) { return NS_ERROR_NOT_INITIALIZED; }
     105                 : 
     106                 :   nsresult result;
     107               0 :   if (mAttributeWasSet)
     108               0 :     result = mElement->SetAttribute(mAttribute, mUndoValue);
     109                 :   else
     110               0 :     result = mElement->RemoveAttribute(mAttribute);
     111                 : 
     112               0 :   return result;
     113                 : }
     114                 : 
     115               0 : NS_IMETHODIMP ChangeAttributeTxn::RedoTransaction(void)
     116                 : {
     117               0 :   NS_ASSERTION(mEditor && mElement, "bad state");
     118               0 :   if (!mEditor || !mElement) { return NS_ERROR_NOT_INITIALIZED; }
     119                 : 
     120                 :   nsresult result;
     121               0 :   if (!mRemoveAttribute)
     122               0 :     result = mElement->SetAttribute(mAttribute, mValue);
     123                 :   else
     124               0 :     result = mElement->RemoveAttribute(mAttribute);
     125                 : 
     126               0 :   return result;
     127                 : }
     128                 : 
     129               0 : NS_IMETHODIMP ChangeAttributeTxn::GetTxnDescription(nsAString& aString)
     130                 : {
     131               0 :   aString.AssignLiteral("ChangeAttributeTxn: [mRemoveAttribute == ");
     132                 : 
     133               0 :   if (!mRemoveAttribute)
     134               0 :     aString.AppendLiteral("false] ");
     135                 :   else
     136               0 :     aString.AppendLiteral("true] ");
     137               0 :   aString += mAttribute;
     138               0 :   return NS_OK;
     139            4392 : }

Generated by: LCOV version 1.7