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/*
* 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 THIRD_PARTY_BLINK_RENDERER_CORE_ANIMATION_EFFECT_STACK_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_ANIMATION_EFFECT_STACK_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/core/css/properties/css_bitset.h"
#include "third_party/blink/renderer/platform/heap/collection_support/heap_hash_set.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();
EffectStack(const EffectStack&) = delete;
EffectStack& operator=(const EffectStack&) = delete;
void Add(SampledEffect* sampled_effect) {
sampled_effects_.push_back(sampled_effect);
}
static bool CompareSampledEffects(const Member<SampledEffect>&,
const Member<SampledEffect>&);
bool IsEmpty() const { return sampled_effects_.empty(); }
bool HasActiveAnimationsOnCompositor(const PropertyHandle&) const;
using PropertyHandleFilter = bool (*)(const PropertyHandle&);
bool AffectsProperties(PropertyHandleFilter) const;
bool AffectsProperties(const CSSBitset&,
KeyframeEffect::Priority priority) const;
HashSet<PropertyHandle> AffectedProperties(
KeyframeEffect::Priority priority) const;
bool HasRevert() 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.
// |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,
KeyframeEffect* partial_effect_stack_cutoff = nullptr);
void Trace(Visitor*) const;
private:
void RemoveRedundantSampledEffects();
// Effects sorted by priority. Lower priority at the start of the list.
HeapVector<Member<SampledEffect>> sampled_effects_;
friend class AnimationEffectStackTest;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_ANIMATION_EFFECT_STACK_H_
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