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91 lines
3.4 KiB
C++
91 lines
3.4 KiB
C++
/*
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* Copyright (C) 2011 Google Inc. All Rights Reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef SKY_ENGINE_CORE_DOM_SCRIPTEDANIMATIONCONTROLLER_H_
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#define SKY_ENGINE_CORE_DOM_SCRIPTEDANIMATIONCONTROLLER_H_
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#include "sky/engine/platform/heap/Handle.h"
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#include "sky/engine/wtf/ListHashSet.h"
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#include "sky/engine/wtf/RefCounted.h"
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#include "sky/engine/wtf/RefPtr.h"
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#include "sky/engine/wtf/Vector.h"
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#include "sky/engine/wtf/text/StringImpl.h"
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namespace blink {
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class Document;
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class Event;
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class EventTarget;
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class MediaQueryListListener;
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class RequestAnimationFrameCallback;
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class ScriptedAnimationController : public RefCounted<ScriptedAnimationController> {
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public:
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static PassRefPtr<ScriptedAnimationController> create(Document* document)
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{
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return adoptRef(new ScriptedAnimationController(document));
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}
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~ScriptedAnimationController();
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void clearDocumentPointer() { m_document = nullptr; }
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typedef int CallbackId;
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int registerCallback(PassOwnPtr<RequestAnimationFrameCallback>);
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void cancelCallback(CallbackId);
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void serviceScriptedAnimations(double monotonicTimeNow);
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void enqueueEvent(PassRefPtr<Event>);
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void enqueuePerFrameEvent(PassRefPtr<Event>);
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void enqueueMediaQueryChangeListeners(Vector<RefPtr<MediaQueryListListener> >&);
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void suspend();
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void resume();
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private:
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explicit ScriptedAnimationController(Document*);
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void scheduleAnimationIfNeeded();
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void dispatchEvents();
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void executeCallbacks(double monotonicTimeNow);
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void callMediaQueryListListeners();
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typedef Vector<OwnPtr<RequestAnimationFrameCallback> > CallbackList;
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CallbackList m_callbacks;
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CallbackList m_callbacksToInvoke; // only non-empty while inside executeCallbacks
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RawPtr<Document> m_document;
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CallbackId m_nextCallbackId;
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int m_suspendCount;
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Vector<RefPtr<Event> > m_eventQueue;
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ListHashSet<std::pair<RawPtr<const EventTarget>, const StringImpl*> > m_perFrameEvents;
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typedef ListHashSet<RefPtr<MediaQueryListListener> > MediaQueryListListeners;
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MediaQueryListListeners m_mediaQueryListListeners;
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};
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}
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#endif // SKY_ENGINE_CORE_DOM_SCRIPTEDANIMATIONCONTROLLER_H_
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