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/*
* Copyright (C) 2006, 2007, 2008 Apple Inc. All Rights Reserved.
* Copyright (C) 2008 Collabora, Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef PluginMessageThrottlerWin_h
#define PluginMessageThrottlerWin_h
#include <WebCore/Timer.h>
#include <windows.h>
namespace WebCore {
class PluginView;
struct PluginMessage {
HWND hWnd;
UINT msg;
WPARAM wParam;
LPARAM lParam;
struct PluginMessage* next;
};
class PluginMessageThrottlerWin {
public:
PluginMessageThrottlerWin(PluginView*);
~PluginMessageThrottlerWin();
void appendMessage(HWND, UINT msg, WPARAM, LPARAM);
private:
void processQueuedMessage();
void messageThrottleTimerFired();
PluginMessage* allocateMessage();
bool isInlineMessage(PluginMessage* message);
void freeMessage(PluginMessage* message);
PluginView* m_pluginView;
PluginMessage* m_back;
PluginMessage* m_front;
static const int NumInlineMessages = 4;
PluginMessage m_inlineMessages[NumInlineMessages];
PluginMessage* m_freeInlineMessages;
Timer m_messageThrottleTimer;
MonotonicTime m_lastMessageTime;
};
} // namespace WebCore
#endif // PluginMessageThrottlerWin_h