| /* |
| * 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 |
| |
| #include "wtf/ListHashSet.h" |
| #include "wtf/RefCounted.h" |
| #include "wtf/RefPtr.h" |
| #include "wtf/Vector.h" |
| #include "wtf/text/StringImpl.h" |
| |
| namespace WebCore { |
| |
| class Document; |
| class Event; |
| class EventTarget; |
| class RequestAnimationFrameCallback; |
| |
| class ScriptedAnimationController : public RefCounted<ScriptedAnimationController> { |
| public: |
| static PassRefPtr<ScriptedAnimationController> create(Document* document) |
| { |
| return adoptRef(new ScriptedAnimationController(document)); |
| } |
| ~ScriptedAnimationController(); |
| void clearDocumentPointer() { m_document = 0; } |
| |
| typedef int CallbackId; |
| |
| int registerCallback(PassRefPtr<RequestAnimationFrameCallback>); |
| void cancelCallback(CallbackId); |
| void serviceScriptedAnimations(double monotonicTimeNow); |
| |
| void enqueueEvent(PassRefPtr<Event>); |
| void enqueuePerFrameEvent(PassRefPtr<Event>); |
| |
| void suspend(); |
| void resume(); |
| |
| private: |
| explicit ScriptedAnimationController(Document*); |
| |
| void scheduleAnimationIfNeeded(); |
| |
| void dispatchEvents(); |
| void executeCallbacks(double monotonicTimeNow); |
| |
| typedef Vector<RefPtr<RequestAnimationFrameCallback> > CallbackList; |
| CallbackList m_callbacks; |
| |
| Document* m_document; |
| CallbackId m_nextCallbackId; |
| int m_suspendCount; |
| Vector<RefPtr<Event> > m_eventQueue; |
| ListHashSet<std::pair<const EventTarget*, const StringImpl*> > m_perFrameEvents; |
| }; |
| |
| } |
| |
| #endif // ScriptedAnimationController_h |