Merge 110323

Source/WebCore/rendering/RenderView.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 469 matching lines @@
                 }
             }
         }
 
         os = os->nextInPreOrder();
     }
 
     // Now clear the selection.
     SelectedObjectMap::iterator oldObjectsEnd = oldSelectedObjects.end();
     for (SelectedObjectMap::iterator i = oldSelectedObjects.begin(); i != oldObjectsEnd; ++i)
-        i->first->setSelectionState(SelectionNone);
+        i->first->setSelectionStateIfNeeded(SelectionNone);
 
     // set selection start and end
     m_selectionStart = start;
     m_selectionStartPos = startPos;
     m_selectionEnd = end;
     m_selectionEndPos = endPos;
 
     // Update the selection status of all objects between m_selectionStart and m_selectionEnd
     if (start && start == end)
-        start->setSelectionState(SelectionBoth);
+        start->setSelectionStateIfNeeded(SelectionBoth);
     else {
         if (start)
-            start->setSelectionState(SelectionStart);
+            start->setSelectionStateIfNeeded(SelectionStart);
         if (end)
-            end->setSelectionState(SelectionEnd);
+            end->setSelectionStateIfNeeded(SelectionEnd);
     }
 
     RenderObject* o = start;
     stop = rendererAfterPosition(end, endPos);
 
     while (o && o != stop) {
         if (o != start && o != end && o->canBeSelectionLeaf())
-            o->setSelectionState(SelectionInside);
+            o->setSelectionStateIfNeeded(SelectionInside);
         o = o->nextInPreOrder();
     }
 
     if (blockRepaintMode != RepaintNothing)
         m_layer->clearBlockSelectionGapsBounds();
 
     // Now that the selection state has been updated for the new objects, walk them again and
     // put them in the new objects list.
     o = start;
     while (o && o != stop) {
@@ skipping 401 matching lines @@
 }
 
 RenderBlock::IntervalArena* RenderView::intervalArena()
 {
     if (!m_intervalArena)
         m_intervalArena = IntervalArena::create();
     return m_intervalArena.get();
 }
 
 } // namespace WebCore