| /* |
| * 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, |
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| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| * (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/CoreExport.h" |
| #include "core/animation/AnimationEffect.h" |
| #include "core/animation/EffectModel.h" |
| #include "core/animation/InterpolationEffect.h" |
| #include "core/animation/PropertyHandle.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/Vector.h" |
| |
| namespace blink { |
| |
| class Element; |
| class KeyframeEffectModelTest; |
| |
| class CORE_EXPORT KeyframeEffectModelBase : public EffectModel { |
| public: |
| // FIXME: Implement accumulation. |
| |
| using PropertySpecificKeyframeVector = Vector<OwnPtr<Keyframe::PropertySpecificKeyframe>>; |
| class PropertySpecificKeyframeGroup { |
| public: |
| void appendKeyframe(PassOwnPtr<Keyframe::PropertySpecificKeyframe>); |
| const PropertySpecificKeyframeVector& keyframes() const { return m_keyframes; } |
| |
| private: |
| void removeRedundantKeyframes(); |
| bool addSyntheticKeyframeIfRequired(PassRefPtr<TimingFunction> zeroOffsetEasing); |
| |
| PropertySpecificKeyframeVector m_keyframes; |
| |
| friend class KeyframeEffectModelBase; |
| }; |
| |
| bool isReplaceOnly(); |
| |
| PropertyHandleSet properties() const; |
| |
| using KeyframeVector = Vector<RefPtr<Keyframe>>; |
| const KeyframeVector& getFrames() const { return m_keyframes; } |
| void setFrames(KeyframeVector& keyframes); |
| |
| const PropertySpecificKeyframeVector& getPropertySpecificKeyframes(PropertyHandle property) const |
| { |
| ensureKeyframeGroups(); |
| return m_keyframeGroups->get(property)->keyframes(); |
| } |
| |
| // EffectModel implementation. |
| bool sample(int iteration, double fraction, double iterationDuration, Vector<RefPtr<Interpolation>>&) const override; |
| |
| bool isKeyframeEffectModel() const override { return true; } |
| |
| virtual bool isAnimatableValueKeyframeEffectModel() const { return false; } |
| virtual bool isStringKeyframeEffectModel() const { return false; } |
| |
| bool hasSyntheticKeyframes() const |
| { |
| ensureKeyframeGroups(); |
| return m_hasSyntheticKeyframes; |
| } |
| |
| // 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 AnimatableValues are obsolete. |
| void forceConversionsToAnimatableValues(Element&, const ComputedStyle* baseStyle); |
| bool snapshotNeutralCompositorKeyframes(Element&, const ComputedStyle& oldStyle, const ComputedStyle& newStyle); |
| bool snapshotAllCompositorKeyframes(Element&, const ComputedStyle* baseStyle); |
| |
| template<typename T> |
| inline void forEachInterpolation(const T& callback) { m_interpolationEffect->forEachInterpolation(callback); } |
| |
| static KeyframeVector normalizedKeyframesForInspector(const KeyframeVector& keyframes) { return normalizedKeyframes(keyframes); } |
| |
| bool affects(PropertyHandle property) const override |
| { |
| ensureKeyframeGroups(); |
| return m_keyframeGroups->contains(property); |
| } |
| |
| bool isTransformRelatedEffect() const override; |
| |
| protected: |
| KeyframeEffectModelBase(PassRefPtr<TimingFunction> defaultKeyframeEasing) |
| : m_lastIteration(0) |
| , m_lastFraction(std::numeric_limits<double>::quiet_NaN()) |
| , m_lastIterationDuration(0) |
| , m_defaultKeyframeEasing(defaultKeyframeEasing) |
| , m_hasSyntheticKeyframes(false) |
| { |
| } |
| |
| static KeyframeVector normalizedKeyframes(const KeyframeVector& keyframes); |
| |
| // Lazily computes the groups of property-specific keyframes. |
| void ensureKeyframeGroups() const; |
| void ensureInterpolationEffect(Element* = nullptr, const ComputedStyle* baseStyle = nullptr) 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. |
| using KeyframeGroupMap = HashMap<PropertyHandle, OwnPtr<PropertySpecificKeyframeGroup>>; |
| mutable OwnPtr<KeyframeGroupMap> m_keyframeGroups; |
| mutable RefPtr<InterpolationEffect> m_interpolationEffect; |
| mutable int m_lastIteration; |
| mutable double m_lastFraction; |
| mutable double m_lastIterationDuration; |
| RefPtr<TimingFunction> m_defaultKeyframeEasing; |
| |
| mutable bool m_hasSyntheticKeyframes; |
| |
| friend class KeyframeEffectModelTest; |
| }; |
| |
| template <class Keyframe> |
| class KeyframeEffectModel final : public KeyframeEffectModelBase { |
| public: |
| using KeyframeVector = Vector<RefPtr<Keyframe>>; |
| static KeyframeEffectModel<Keyframe>* create(const KeyframeVector& keyframes, PassRefPtr<TimingFunction> defaultKeyframeEasing = nullptr) |
| { |
| return new KeyframeEffectModel(keyframes, defaultKeyframeEasing); |
| } |
| |
| private: |
| KeyframeEffectModel(const KeyframeVector& keyframes, PassRefPtr<TimingFunction> defaultKeyframeEasing) |
| : KeyframeEffectModelBase(defaultKeyframeEasing) |
| { |
| m_keyframes.appendVector(keyframes); |
| } |
| |
| virtual bool isAnimatableValueKeyframeEffectModel() const { return false; } |
| virtual bool isStringKeyframeEffectModel() const { return false; } |
| }; |
| |
| using KeyframeVector = KeyframeEffectModelBase::KeyframeVector; |
| using PropertySpecificKeyframeVector = KeyframeEffectModelBase::PropertySpecificKeyframeVector; |
| |
| using AnimatableValueKeyframeEffectModel = KeyframeEffectModel<AnimatableValueKeyframe>; |
| using AnimatableValueKeyframeVector = AnimatableValueKeyframeEffectModel::KeyframeVector; |
| using AnimatableValuePropertySpecificKeyframeVector = AnimatableValueKeyframeEffectModel::PropertySpecificKeyframeVector; |
| |
| using StringKeyframeEffectModel = KeyframeEffectModel<StringKeyframe>; |
| using StringKeyframeVector = StringKeyframeEffectModel::KeyframeVector; |
| using StringPropertySpecificKeyframeVector = StringKeyframeEffectModel::PropertySpecificKeyframeVector; |
| |
| DEFINE_TYPE_CASTS(KeyframeEffectModelBase, EffectModel, value, value->isKeyframeEffectModel(), value.isKeyframeEffectModel()); |
| DEFINE_TYPE_CASTS(AnimatableValueKeyframeEffectModel, KeyframeEffectModelBase, value, value->isAnimatableValueKeyframeEffectModel(), value.isAnimatableValueKeyframeEffectModel()); |
| DEFINE_TYPE_CASTS(StringKeyframeEffectModel, KeyframeEffectModelBase, value, value->isStringKeyframeEffectModel(), value.isStringKeyframeEffectModel()); |
| |
| inline const AnimatableValueKeyframeEffectModel* toAnimatableValueKeyframeEffectModel(const EffectModel* base) |
| { |
| return toAnimatableValueKeyframeEffectModel(toKeyframeEffectModelBase(base)); |
| } |
| |
| inline AnimatableValueKeyframeEffectModel* toAnimatableValueKeyframeEffectModel(EffectModel* base) |
| { |
| return toAnimatableValueKeyframeEffectModel(toKeyframeEffectModelBase(base)); |
| } |
| |
| inline const StringKeyframeEffectModel* toStringKeyframeEffectModel(const EffectModel* base) |
| { |
| return toStringKeyframeEffectModel(toKeyframeEffectModelBase(base)); |
| } |
| |
| inline StringKeyframeEffectModel* toStringKeyframeEffectModel(EffectModel* base) |
| { |
| return toStringKeyframeEffectModel(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 |