LCOV - code coverage report
Current view: directory - accessible/src/base - AccCollector.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 51 0 0.0 %
Date: 2012-06-02 Functions: 11 0 0.0 %

       1                 : /* ***** BEGIN LICENSE BLOCK *****
       2                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       3                 :  *
       4                 :  * The contents of this file are subject to the Mozilla Public License Version
       5                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       6                 :  * the License. You may obtain a copy of the License at
       7                 :  * http://www.mozilla.org/MPL/
       8                 :  *
       9                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      10                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      11                 :  * for the specific language governing rights and limitations under the
      12                 :  * License.
      13                 :  *
      14                 :  * The Original Code is mozilla.org code.
      15                 :  *
      16                 :  * The Initial Developer of the Original Code is
      17                 :  * Mozilla Foundation.
      18                 :  * Portions created by the Initial Developer are Copyright (C) 2010
      19                 :  * the Initial Developer. All Rights Reserved.
      20                 :  *
      21                 :  * Contributor(s):
      22                 :  *  Alexander Surkov <surkov.alexander@gmail.com> (original author)
      23                 :  *
      24                 :  * Alternatively, the contents of this file may be used under the terms of
      25                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      26                 :  * 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 "AccCollector.h"
      39                 : 
      40                 : #include "nsAccessible.h"
      41                 : 
      42                 : ////////////////////////////////////////////////////////////////////////////////
      43                 : // nsAccCollector
      44                 : ////////////////////////////////////////////////////////////////////////////////
      45                 : 
      46               0 : AccCollector::
      47                 :   AccCollector(nsAccessible* aRoot, filters::FilterFuncPtr aFilterFunc) :
      48               0 :   mFilterFunc(aFilterFunc), mRoot(aRoot), mRootChildIdx(0)
      49                 : {
      50               0 : }
      51                 : 
      52               0 : AccCollector::~AccCollector()
      53                 : {
      54               0 : }
      55                 : 
      56                 : PRUint32
      57               0 : AccCollector::Count()
      58                 : {
      59               0 :   EnsureNGetIndex(nsnull);
      60               0 :   return mObjects.Length();
      61                 : }
      62                 : 
      63                 : nsAccessible*
      64               0 : AccCollector::GetAccessibleAt(PRUint32 aIndex)
      65                 : {
      66               0 :   nsAccessible *accessible = mObjects.SafeElementAt(aIndex, nsnull);
      67               0 :   if (accessible)
      68               0 :     return accessible;
      69                 : 
      70               0 :   return EnsureNGetObject(aIndex);
      71                 : }
      72                 : 
      73                 : PRInt32
      74               0 : AccCollector::GetIndexAt(nsAccessible *aAccessible)
      75                 : {
      76               0 :   PRInt32 index = mObjects.IndexOf(aAccessible);
      77               0 :   if (index != -1)
      78               0 :     return index;
      79                 : 
      80               0 :   return EnsureNGetIndex(aAccessible);
      81                 : }
      82                 : 
      83                 : ////////////////////////////////////////////////////////////////////////////////
      84                 : // nsAccCollector protected
      85                 : 
      86                 : nsAccessible*
      87               0 : AccCollector::EnsureNGetObject(PRUint32 aIndex)
      88                 : {
      89               0 :   PRInt32 childCount = mRoot->GetChildCount();
      90               0 :   while (mRootChildIdx < childCount) {
      91               0 :     nsAccessible* child = mRoot->GetChildAt(mRootChildIdx++);
      92               0 :     if (!mFilterFunc(child))
      93               0 :       continue;
      94                 : 
      95               0 :     AppendObject(child);
      96               0 :     if (mObjects.Length() - 1 == aIndex)
      97               0 :       return mObjects[aIndex];
      98                 :   }
      99                 : 
     100               0 :   return nsnull;
     101                 : }
     102                 : 
     103                 : PRInt32
     104               0 : AccCollector::EnsureNGetIndex(nsAccessible* aAccessible)
     105                 : {
     106               0 :   PRInt32 childCount = mRoot->GetChildCount();
     107               0 :   while (mRootChildIdx < childCount) {
     108               0 :     nsAccessible* child = mRoot->GetChildAt(mRootChildIdx++);
     109               0 :     if (!mFilterFunc(child))
     110               0 :       continue;
     111                 : 
     112               0 :     AppendObject(child);
     113               0 :     if (child == aAccessible)
     114               0 :       return mObjects.Length() - 1;
     115                 :   }
     116                 : 
     117               0 :   return -1;
     118                 : }
     119                 : 
     120                 : void
     121               0 : AccCollector::AppendObject(nsAccessible* aAccessible)
     122                 : {
     123               0 :   mObjects.AppendElement(aAccessible);
     124               0 : }
     125                 : 
     126                 : ////////////////////////////////////////////////////////////////////////////////
     127                 : // EmbeddedObjCollector
     128                 : ////////////////////////////////////////////////////////////////////////////////
     129                 : 
     130                 : PRInt32
     131               0 : EmbeddedObjCollector::GetIndexAt(nsAccessible *aAccessible)
     132                 : {
     133               0 :   if (aAccessible->mParent != mRoot)
     134               0 :     return -1;
     135                 : 
     136               0 :   if (aAccessible->mIndexOfEmbeddedChild != -1)
     137               0 :     return aAccessible->mIndexOfEmbeddedChild;
     138                 : 
     139               0 :   return mFilterFunc(aAccessible) ? EnsureNGetIndex(aAccessible) : -1;
     140                 : }
     141                 : 
     142                 : void
     143               0 : EmbeddedObjCollector::AppendObject(nsAccessible* aAccessible)
     144                 : {
     145               0 :   aAccessible->mIndexOfEmbeddedChild = mObjects.Length();
     146               0 :   mObjects.AppendElement(aAccessible);
     147               0 : }

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