third_party/WebKit/Source/core/events/WindowEventContext.h

   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 #ifndef WindowEventContext_h
  28 #define WindowEventContext_h
  29
  30 #include "core/frame/LocalDOMWindow.h"
  31 #include "platform/heap/Handle.h"
  32 #include "wtf/RefPtr.h"
  33
  34 namespace blink {
  35
  36 class EventTarget;
  37 class Event;
  38 class Node;
  39 class NodeEventContext;
  40
  41 class WindowEventContext : public NoBaseWillBeGarbageCollected<WindowEventContext> {
  42     WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED(WindowEventContext);
  43     WTF_MAKE_NONCOPYABLE(WindowEventContext);
  44 public:
  45     WindowEventContext(Event&, const NodeEventContext& topNodeEventContext);
  46
  47     LocalDOMWindow* window() const;
  48     EventTarget* target() const;
  49     bool handleLocalEvents(Event&);
  50
  51     DECLARE_TRACE();
  52
  53 private:
  54     RefPtrWillBeMember<LocalDOMWindow> m_window;
  55     RefPtrWillBeMember<EventTarget> m_target;
  56 };
  57
  58 inline LocalDOMWindow* WindowEventContext::window() const
  59 {
  60     return m_window.get();
  61 }
  62
  63 inline EventTarget* WindowEventContext::target() const
  64 {
  65     return m_target.get();
  66 }
  67
  68 }
  69
  70 #endif // WindowEventContext_h