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      1 /*
      2  * Copyright (C) 2010 Google Inc. All Rights Reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
     17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  *
     25  */
     26 
     27 #include "config.h"
     28 #include "WindowEventContext.h"
     29 
     30 #include "DOMWindow.h"
     31 #include "Document.h"
     32 #include "Event.h"
     33 #include "EventContext.h"
     34 #include "Node.h"
     35 
     36 namespace WebCore {
     37 
     38 WindowEventContext::WindowEventContext(Event* event, PassRefPtr<Node> node, const EventContext* topEventContext)
     39 {
     40     // We don't dispatch load events to the window. This quirk was originally
     41     // added because Mozilla doesn't propagate load events to the window object.
     42     if (event->type() == eventNames().loadEvent)
     43         return;
     44 
     45     Node* topLevelContainer = topEventContext ? topEventContext->node() : node.get();
     46     if (!topLevelContainer->isDocumentNode())
     47         return;
     48 
     49     m_window = static_cast<Document*>(topLevelContainer)->domWindow();
     50     m_target = topEventContext ? topEventContext->target() : node.get();
     51 }
     52 
     53 bool WindowEventContext::handleLocalEvents(Event* event)
     54 {
     55     if (!m_window)
     56         return false;
     57 
     58     event->setTarget(target());
     59     event->setCurrentTarget(window());
     60     m_window->fireEventListeners(event);
     61     return true;
     62 }
     63 
     64 }
     65