| /* |
| * 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 |
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| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef THIRD_PARTY_BLINK_RENDERER_CORE_ANIMATION_EFFECT_STACK_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_ANIMATION_EFFECT_STACK_H_ |
| |
| #include "base/macros.h" |
| #include "third_party/blink/renderer/core/animation/animation.h" |
| #include "third_party/blink/renderer/core/animation/effect_model.h" |
| #include "third_party/blink/renderer/core/animation/keyframe_effect.h" |
| #include "third_party/blink/renderer/core/animation/property_handle.h" |
| #include "third_party/blink/renderer/core/animation/sampled_effect.h" |
| #include "third_party/blink/renderer/core/core_export.h" |
| #include "third_party/blink/renderer/platform/geometry/float_box.h" |
| #include "third_party/blink/renderer/platform/wtf/hash_set.h" |
| #include "third_party/blink/renderer/platform/wtf/vector.h" |
| |
| namespace blink { |
| |
| class InertEffect; |
| |
| // Represents the order in which a sequence of SampledEffects should apply. |
| // This sequence is broken down to per PropertyHandle granularity. |
| class CORE_EXPORT EffectStack { |
| DISALLOW_NEW(); |
| |
| public: |
| EffectStack(); |
| |
| void Add(SampledEffect* sampled_effect) { |
| sampled_effects_.push_back(sampled_effect); |
| } |
| bool IsEmpty() const { return sampled_effects_.IsEmpty(); } |
| bool HasActiveAnimationsOnCompositor(const PropertyHandle&) const; |
| |
| using PropertyHandleFilter = bool (*)(const PropertyHandle&); |
| bool AffectsProperties(PropertyHandleFilter) const; |
| |
| // Produces a map of properties to active effects. |
| // |effect_stack| contains the sequence of sample effects for an element. |
| // |new_animations| is an optional list of animations to be explicitly added |
| // to the active animations map. |
| // |suppressed_animations| is an optional list of animations to ignore. |
| // |priority| is for matching the effect priority and may be kDefaultPriority |
| // or kTransitionPriority. |
| // |property_handle_filter| is an optional filter for determining which |
| // properties to include in the interpolations map. |
| // |partial_effect_stack_cutoff| is an optional cutoff point, used to create |
| // a partial effect stack. |
| static ActiveInterpolationsMap ActiveInterpolations( |
| EffectStack* effect_stack, |
| const HeapVector<Member<const InertEffect>>* new_animations, |
| const HeapHashSet<Member<const Animation>>* suppressed_animations, |
| KeyframeEffect::Priority priority, |
| PropertyHandleFilter property_handle_filter = nullptr, |
| KeyframeEffect* partial_effect_stack_cutoff = nullptr); |
| |
| void Trace(Visitor*); |
| |
| private: |
| void RemoveRedundantSampledEffects(); |
| |
| // Effects sorted by priority. Lower priority at the start of the list. |
| HeapVector<Member<SampledEffect>> sampled_effects_; |
| |
| friend class AnimationEffectStackTest; |
| DISALLOW_COPY_AND_ASSIGN(EffectStack); |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_CORE_ANIMATION_EFFECT_STACK_H_ |