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/*
* Copyright (C) 2014 Igalia S.L.
*
* 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. AND ITS CONTRIBUTORS ``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 ITS 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.
*/
#pragma once
#include <WebCore/DisplayRefreshMonitor.h>
#if USE(COORDINATED_GRAPHICS)
#include <wtf/RunLoop.h>
namespace WebKit {
class ThreadedCompositor;
class ThreadedDisplayRefreshMonitor : public WebCore::DisplayRefreshMonitor {
public:
class Client {
public:
virtual void requestDisplayRefreshMonitorUpdate() = 0;
virtual void handleDisplayRefreshMonitorUpdate(bool) = 0;
};
static Ref<ThreadedDisplayRefreshMonitor> create(WebCore::PlatformDisplayID displayID, Client& client, WebCore::DisplayUpdate displayUpdate)
{
return adoptRef(*new ThreadedDisplayRefreshMonitor(displayID, client, displayUpdate));
}
virtual ~ThreadedDisplayRefreshMonitor() = default;
bool requestRefreshCallback() override;
bool requiresDisplayRefreshCallback(const WebCore::DisplayUpdate&);
void dispatchDisplayRefreshCallback();
void invalidate();
private:
ThreadedDisplayRefreshMonitor(WebCore::PlatformDisplayID, Client&, WebCore::DisplayUpdate);
bool startNotificationMechanism() final { return true; }
void stopNotificationMechanism() final { }
void displayRefreshCallback();
RunLoop::Timer m_displayRefreshTimer;
Client* m_client;
WebCore::DisplayUpdate m_displayUpdate;
};
} // namespace WebKit
#endif // USE(COORDINATED_GRAPHICS)
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