Home | History | Annotate | Download | only in animation 
      1 /*
      2  * Copyright (C) 2013 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 are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #ifndef Animation_h
     32 #define Animation_h
     33 
     34 #include "core/animation/AnimationEffect.h"
     35 #include "core/animation/AnimationNode.h"
     36 #include "core/animation/EffectInput.h"
     37 #include "core/animation/TimingInput.h"
     38 #include "platform/heap/Handle.h"
     39 #include "wtf/RefPtr.h"
     40 
     41 namespace blink {
     42 
     43 class Dictionary;
     44 class Element;
     45 class ExceptionState;
     46 class SampledEffect;
     47 
     48 class Animation FINAL : public AnimationNode {
     49     DEFINE_WRAPPERTYPEINFO();
     50 public:
     51     enum Priority { DefaultPriority, TransitionPriority };
     52 
     53     static PassRefPtrWillBeRawPtr<Animation> create(Element*, PassRefPtrWillBeRawPtr<AnimationEffect>, const Timing&, Priority = DefaultPriority, PassOwnPtrWillBeRawPtr<EventDelegate> = nullptr);
     54     // Web Animations API Bindings constructors.
     55     static PassRefPtrWillBeRawPtr<Animation> create(Element*, PassRefPtrWillBeRawPtr<AnimationEffect>, const Dictionary& timingInputDictionary);
     56     static PassRefPtrWillBeRawPtr<Animation> create(Element*, PassRefPtrWillBeRawPtr<AnimationEffect>, double duration);
     57     static PassRefPtrWillBeRawPtr<Animation> create(Element*, PassRefPtrWillBeRawPtr<AnimationEffect>);
     58     static PassRefPtrWillBeRawPtr<Animation> create(Element*, const Vector<Dictionary>& keyframeDictionaryVector, const Dictionary& timingInputDictionary, ExceptionState&);
     59     static PassRefPtrWillBeRawPtr<Animation> create(Element*, const Vector<Dictionary>& keyframeDictionaryVector, double duration, ExceptionState&);
     60     static PassRefPtrWillBeRawPtr<Animation> create(Element*, const Vector<Dictionary>& keyframeDictionaryVector, ExceptionState&);
     61 
     62     virtual ~Animation();
     63 
     64     virtual bool isAnimation() const OVERRIDE { return true; }
     65 
     66     bool affects(CSSPropertyID) const;
     67     const AnimationEffect* effect() const { return m_effect.get(); }
     68     AnimationEffect* effect() { return m_effect.get(); }
     69     Priority priority() const { return m_priority; }
     70     Element* target() { return m_target; }
     71 
     72     void notifySampledEffectRemovedFromAnimationStack();
     73 #if !ENABLE(OILPAN)
     74     void notifyElementDestroyed();
     75 #endif
     76 
     77     bool isCandidateForAnimationOnCompositor(double playerPlaybackRate) const;
     78     // Must only be called once.
     79     bool maybeStartAnimationOnCompositor(double startTime, double timeOffset);
     80     bool maybeStartAnimationOnCompositor(double startTime, double timeOffset, double playerPlaybackRate);
     81     bool hasActiveAnimationsOnCompositor() const;
     82     bool hasActiveAnimationsOnCompositor(CSSPropertyID) const;
     83     void cancelAnimationOnCompositor();
     84     void pauseAnimationForTestingOnCompositor(double pauseTime);
     85 
     86     virtual void trace(Visitor*);
     87 
     88 protected:
     89     void applyEffects();
     90     void clearEffects();
     91     virtual void updateChildrenAndEffects() const OVERRIDE;
     92     virtual void attach(AnimationPlayer*) OVERRIDE;
     93     virtual void detach() OVERRIDE;
     94     virtual void specifiedTimingChanged() OVERRIDE;
     95     virtual double calculateTimeToEffectChange(bool forwards, double inheritedTime, double timeToNextIteration) const OVERRIDE;
     96 
     97 private:
     98     Animation(Element*, PassRefPtrWillBeRawPtr<AnimationEffect>, const Timing&, Priority, PassOwnPtrWillBeRawPtr<EventDelegate>);
     99 
    100     RawPtrWillBeMember<Element> m_target;
    101     RefPtrWillBeMember<AnimationEffect> m_effect;
    102     RawPtrWillBeMember<SampledEffect> m_sampledEffect;
    103 
    104     Priority m_priority;
    105 
    106     Vector<int> m_compositorAnimationIds;
    107 
    108     friend class AnimationAnimationV8Test;
    109 };
    110 
    111 DEFINE_TYPE_CASTS(Animation, AnimationNode, animationNode, animationNode->isAnimation(), animationNode.isAnimation());
    112 
    113 } // namespace blink
    114 
    115 #endif // Animation_h
    116