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/*
* Copyright (C) 2011 Google Inc. 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. 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.
*
*/
#ifndef ScriptedAnimationController_h
#define ScriptedAnimationController_h
#if ENABLE(REQUEST_ANIMATION_FRAME)
#include "DOMTimeStamp.h"
#if USE(REQUEST_ANIMATION_FRAME_TIMER)
#if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR)
#include "Chrome.h"
#include "ChromeClient.h"
#include "DisplayRefreshMonitorClient.h"
#endif
#include "Timer.h"
#endif
#include "PlatformScreen.h"
#include <wtf/RefCounted.h>
#include <wtf/RefPtr.h>
#include <wtf/Vector.h>
namespace WebCore {
class Document;
class RequestAnimationFrameCallback;
class ScriptedAnimationController : public RefCounted<ScriptedAnimationController>
#if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR)
, public DisplayRefreshMonitorClient
#endif
{
public:
static Ref<ScriptedAnimationController> create(Document* document, PlatformDisplayID displayID)
{
return adoptRef(*new ScriptedAnimationController(document, displayID));
}
~ScriptedAnimationController();
void clearDocumentPointer() { m_document = nullptr; }
typedef int CallbackId;
CallbackId registerCallback(PassRefPtr<RequestAnimationFrameCallback>);
void cancelCallback(CallbackId);
void serviceScriptedAnimations(double monotonicTimeNow);
void suspend();
void resume();
void setThrottled(bool);
WEBCORE_EXPORT bool isThrottled() const;
void windowScreenDidChange(PlatformDisplayID);
private:
ScriptedAnimationController(Document*, PlatformDisplayID);
typedef Vector<RefPtr<RequestAnimationFrameCallback>> CallbackList;
CallbackList m_callbacks;
Document* m_document;
CallbackId m_nextCallbackId { 0 };
int m_suspendCount { 0 };
void scheduleAnimation();
#if USE(REQUEST_ANIMATION_FRAME_TIMER)
void animationTimerFired();
Timer m_animationTimer;
double m_lastAnimationFrameTimeMonotonic { 0 };
#if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR)
// Override for DisplayRefreshMonitorClient
virtual void displayRefreshFired(double timestamp) override;
virtual RefPtr<DisplayRefreshMonitor> createDisplayRefreshMonitor(PlatformDisplayID) const override;
bool m_isUsingTimer { false };
bool m_isThrottled { false };
#endif
#endif
};
}
#endif // ENABLE(REQUEST_ANIMATION_FRAME)
#endif // ScriptedAnimationController_h
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