| /* |
| * Copyright (C) 2013 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: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * 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. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT |
| * OWNER OR 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 KeyframeEffectModel_h |
| #define KeyframeEffectModel_h |
| |
| #include "core/animation/AnimationEffect.h" |
| #include "core/animation/AnimationNode.h" |
| #include "core/animation/InterpolationEffect.h" |
| #include "core/animation/StringKeyframe.h" |
| #include "core/animation/animatable/AnimatableValueKeyframe.h" |
| #include "platform/animation/TimingFunction.h" |
| #include "platform/heap/Handle.h" |
| #include "wtf/HashMap.h" |
| #include "wtf/HashSet.h" |
| #include "wtf/PassOwnPtr.h" |
| #include "wtf/PassRefPtr.h" |
| #include "wtf/RefCounted.h" |
| #include "wtf/Vector.h" |
| |
| namespace blink { |
| |
| class Element; |
| class KeyframeEffectModelTest; |
| |
| class KeyframeEffectModelBase : public AnimationEffect { |
| public: |
| // FIXME: Implement accumulation. |
| |
| typedef WillBeHeapVector<OwnPtrWillBeMember<Keyframe::PropertySpecificKeyframe> > PropertySpecificKeyframeVector; |
| class PropertySpecificKeyframeGroup : public NoBaseWillBeGarbageCollected<PropertySpecificKeyframeGroup> { |
| public: |
| void appendKeyframe(PassOwnPtrWillBeRawPtr<Keyframe::PropertySpecificKeyframe>); |
| const PropertySpecificKeyframeVector& keyframes() const { return m_keyframes; } |
| |
| void trace(Visitor*); |
| |
| private: |
| void removeRedundantKeyframes(); |
| void addSyntheticKeyframeIfRequired(const KeyframeEffectModelBase* context); |
| |
| PropertySpecificKeyframeVector m_keyframes; |
| |
| friend class KeyframeEffectModelBase; |
| }; |
| |
| bool isReplaceOnly(); |
| |
| PropertySet properties() const; |
| |
| typedef WillBeHeapVector<RefPtrWillBeMember<Keyframe> > KeyframeVector; |
| const KeyframeVector& getFrames() const { return m_keyframes; } |
| // FIXME: Implement setFrames() |
| |
| const PropertySpecificKeyframeVector& getPropertySpecificKeyframes(CSSPropertyID id) const |
| { |
| ensureKeyframeGroups(); |
| return m_keyframeGroups->get(id)->keyframes(); |
| } |
| |
| // AnimationEffect implementation. |
| virtual PassOwnPtrWillBeRawPtr<WillBeHeapVector<RefPtrWillBeMember<Interpolation> > > sample(int iteration, double fraction, double iterationDuration) const OVERRIDE; |
| |
| virtual bool isKeyframeEffectModel() const OVERRIDE { return true; } |
| |
| virtual bool isAnimatableValueKeyframeEffectModel() const { return false; } |
| virtual bool isStringKeyframeEffectModel() const { return false; } |
| |
| virtual void trace(Visitor*) OVERRIDE; |
| |
| // FIXME: This is a hack used to resolve CSSValues to AnimatableValues while we have a valid handle on an element. |
| // This should be removed once StringKeyframes no longer uses InterpolableAnimatableValues. |
| void forceConversionsToAnimatableValues(Element* element) |
| { |
| ensureKeyframeGroups(); |
| ensureInterpolationEffect(element); |
| } |
| |
| protected: |
| static KeyframeVector normalizedKeyframes(const KeyframeVector& keyframes); |
| |
| // Lazily computes the groups of property-specific keyframes. |
| void ensureKeyframeGroups() const; |
| void ensureInterpolationEffect(Element* = 0) const; |
| |
| KeyframeVector m_keyframes; |
| // The spec describes filtering the normalized keyframes at sampling time |
| // to get the 'property-specific keyframes'. For efficiency, we cache the |
| // property-specific lists. |
| typedef WillBeHeapHashMap<CSSPropertyID, OwnPtrWillBeMember<PropertySpecificKeyframeGroup> > KeyframeGroupMap; |
| mutable OwnPtrWillBeMember<KeyframeGroupMap> m_keyframeGroups; |
| mutable RefPtrWillBeMember<InterpolationEffect> m_interpolationEffect; |
| |
| friend class KeyframeEffectModelTest; |
| |
| bool affects(CSSPropertyID property) |
| { |
| ensureKeyframeGroups(); |
| return m_keyframeGroups->contains(property); |
| } |
| }; |
| |
| template <class Keyframe> |
| class KeyframeEffectModel FINAL : public KeyframeEffectModelBase { |
| public: |
| typedef WillBeHeapVector<RefPtrWillBeMember<Keyframe> > KeyframeVector; |
| static PassRefPtrWillBeRawPtr<KeyframeEffectModel<Keyframe> > create(const KeyframeVector& keyframes) { return adoptRefWillBeNoop(new KeyframeEffectModel(keyframes)); } |
| |
| private: |
| KeyframeEffectModel(const KeyframeVector& keyframes) |
| { |
| m_keyframes.appendVector(keyframes); |
| } |
| |
| virtual bool isAnimatableValueKeyframeEffectModel() const { return false; } |
| virtual bool isStringKeyframeEffectModel() const { return false; } |
| |
| }; |
| |
| typedef KeyframeEffectModelBase::KeyframeVector KeyframeVector; |
| typedef KeyframeEffectModelBase::PropertySpecificKeyframeVector PropertySpecificKeyframeVector; |
| |
| typedef KeyframeEffectModel<AnimatableValueKeyframe> AnimatableValueKeyframeEffectModel; |
| typedef AnimatableValueKeyframeEffectModel::KeyframeVector AnimatableValueKeyframeVector; |
| typedef AnimatableValueKeyframeEffectModel::PropertySpecificKeyframeVector AnimatableValuePropertySpecificKeyframeVector; |
| |
| typedef KeyframeEffectModel<StringKeyframe> StringKeyframeEffectModel; |
| typedef StringKeyframeEffectModel::KeyframeVector StringKeyframeVector; |
| typedef StringKeyframeEffectModel::PropertySpecificKeyframeVector StringPropertySpecificKeyframeVector; |
| |
| DEFINE_TYPE_CASTS(KeyframeEffectModelBase, AnimationEffect, value, value->isKeyframeEffectModel(), value.isKeyframeEffectModel()); |
| DEFINE_TYPE_CASTS(AnimatableValueKeyframeEffectModel, KeyframeEffectModelBase, value, value->isAnimatableValueKeyframeEffectModel(), value.isAnimatableValueKeyframeEffectModel()); |
| |
| inline const AnimatableValueKeyframeEffectModel* toAnimatableValueKeyframeEffectModel(const AnimationEffect* base) |
| { |
| return toAnimatableValueKeyframeEffectModel(toKeyframeEffectModelBase(base)); |
| } |
| |
| inline AnimatableValueKeyframeEffectModel* toAnimatableValueKeyframeEffectModel(AnimationEffect* base) |
| { |
| return toAnimatableValueKeyframeEffectModel(toKeyframeEffectModelBase(base)); |
| } |
| |
| template <> |
| inline bool KeyframeEffectModel<AnimatableValueKeyframe>::isAnimatableValueKeyframeEffectModel() const { return true; } |
| |
| template <> |
| inline bool KeyframeEffectModel<StringKeyframe>::isStringKeyframeEffectModel() const { return true; } |
| |
| } // namespace blink |
| |
| #endif // KeyframeEffectModel_h |