1 /* 2 * Copyright (C) 2011 Google Inc. All Rights Reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY 17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 * 24 */ 25 26 #ifndef ScriptedAnimationController_h 27 #define ScriptedAnimationController_h 28 29 #if ENABLE(REQUEST_ANIMATION_FRAME) 30 #include "DOMTimeStamp.h" 31 #include <wtf/Noncopyable.h> 32 #include <wtf/PassOwnPtr.h> 33 #include <wtf/RefPtr.h> 34 #include <wtf/Vector.h> 35 36 namespace WebCore { 37 38 class Document; 39 class Element; 40 class RequestAnimationFrameCallback; 41 42 class ScriptedAnimationController { 43 WTF_MAKE_NONCOPYABLE(ScriptedAnimationController); 44 public: 45 static PassOwnPtr<ScriptedAnimationController> create(Document* document) 46 { 47 return adoptPtr(new ScriptedAnimationController(document)); 48 } 49 50 typedef int CallbackId; 51 52 CallbackId registerCallback(PassRefPtr<RequestAnimationFrameCallback>, Element*); 53 void cancelCallback(CallbackId); 54 void serviceScriptedAnimations(DOMTimeStamp); 55 56 void suspend(); 57 void resume(); 58 59 private: 60 explicit ScriptedAnimationController(Document*); 61 typedef Vector<RefPtr<RequestAnimationFrameCallback> > CallbackList; 62 CallbackList m_callbacks; 63 64 Document* m_document; 65 CallbackId m_nextCallbackId; 66 int m_suspendCount; 67 }; 68 69 } 70 71 #endif // ENABLE(REQUEST_ANIMATION_FRAME) 72 73 #endif // ScriptedAnimationController_h 74 75
