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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_KEYFRAME_EFFECT_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_ANIMATION_KEYFRAME_EFFECT_H_
#include "base/optional.h"
#include "third_party/blink/renderer/bindings/core/v8/script_value.h"
#include "third_party/blink/renderer/core/animation/animation_effect.h"
#include "third_party/blink/renderer/core/animation/compositor_animations.h"
#include "third_party/blink/renderer/core/animation/keyframe_effect_model.h"
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/platform/geometry/float_size.h"
namespace blink {
class Element;
class ExceptionState;
class KeyframeEffectModelBase;
class PaintArtifactCompositor;
class SampledEffect;
class UnrestrictedDoubleOrKeyframeEffectOptions;
// Represents the effect of an Animation on an Element's properties.
// https://drafts.csswg.org/web-animations/#keyframe-effect
class CORE_EXPORT KeyframeEffect final : public AnimationEffect {
DEFINE_WRAPPERTYPEINFO();
public:
enum Priority { kDefaultPriority, kTransitionPriority };
// Web Animations API Bindings constructors.
static KeyframeEffect* Create(
ScriptState*,
Element*,
const ScriptValue&,
const UnrestrictedDoubleOrKeyframeEffectOptions&,
ExceptionState&);
static KeyframeEffect* Create(ScriptState*,
Element*,
const ScriptValue&,
ExceptionState&);
static KeyframeEffect* Create(ScriptState*, KeyframeEffect*, ExceptionState&);
KeyframeEffect(Element*,
KeyframeEffectModelBase*,
const Timing&,
Priority = kDefaultPriority,
EventDelegate* = nullptr);
~KeyframeEffect() override;
bool IsKeyframeEffect() const override { return true; }
// IDL implementation.
// Returns the target element. If the animation targets a pseudo-element,
// this returns the originating element.
Element* target() const { return target_element_; }
void setTarget(Element*);
const String& pseudoElement() const;
void setPseudoElement(String, ExceptionState&);
String composite() const;
void setComposite(String);
HeapVector<ScriptValue> getKeyframes(ScriptState*);
void setKeyframes(ScriptState*,
const ScriptValue& keyframes,
ExceptionState&);
// Returns blink's representation of the effect target.
// This can be a blink::PseudoElement which should not be web-exposed.
Element* EffectTarget() const { return effect_target_; }
void SetKeyframes(StringKeyframeVector keyframes);
bool Affects(const PropertyHandle&) const;
bool HasRevert() const;
const KeyframeEffectModelBase* Model() const { return model_.Get(); }
KeyframeEffectModelBase* Model() { return model_.Get(); }
void SetModel(KeyframeEffectModelBase* model) {
DCHECK(model);
model_ = model;
}
Priority GetPriority() const { return priority_; }
void NotifySampledEffectRemovedFromEffectStack();
CompositorAnimations::FailureReasons CheckCanStartAnimationOnCompositor(
const PaintArtifactCompositor*,
double animation_playback_rate,
PropertyHandleSet* unsupported_properties = nullptr) const;
// Must only be called once.
void StartAnimationOnCompositor(int group,
base::Optional<double> start_time,
base::TimeDelta time_offset,
double animation_playback_rate,
CompositorAnimation* = nullptr);
bool HasActiveAnimationsOnCompositor() const;
bool HasActiveAnimationsOnCompositor(const PropertyHandle&) const;
bool CancelAnimationOnCompositor(CompositorAnimation*);
void CancelIncompatibleAnimationsOnCompositor();
void PauseAnimationForTestingOnCompositor(base::TimeDelta pause_time);
void AttachCompositedLayers();
void DowngradeToNormal() { priority_ = kDefaultPriority; }
bool HasAnimation() const;
bool HasPlayingAnimation() const;
void Trace(Visitor*) const override;
bool UpdateBoxSizeAndCheckTransformAxisAlignment(const FloatSize& box_size);
bool IsIdentityOrTranslation() const;
ActiveInterpolationsMap InterpolationsForCommitStyles();
// Explicitly setting the keyframes via KeyfrfameEffect.setFrames or
// Animation.effect block subseuqent changes via CSS keyframe rules.
bool GetIgnoreCSSKeyframes() { return ignore_css_keyframes_; }
void SetIgnoreCSSKeyframes() { ignore_css_keyframes_ = true; }
void SetLogicalPropertyResolutionContext(TextDirection text_direction,
WritingMode writing_mode);
private:
EffectModel::CompositeOperation CompositeInternal() const;
void ApplyEffects();
void ClearEffects();
void UpdateChildrenAndEffects() const override;
void Attach(AnimationEffectOwner*) override;
void Detach() override;
void AttachTarget(Animation*);
void DetachTarget(Animation*);
void RefreshTarget();
void CountAnimatedProperties() const;
AnimationTimeDelta CalculateTimeToEffectChange(
bool forwards,
base::Optional<double> inherited_time,
AnimationTimeDelta time_to_next_iteration) const override;
bool HasIncompatibleStyle() const;
bool HasMultipleTransformProperties() const;
void RestartRunningAnimationOnCompositor();
Member<Element> effect_target_;
Member<Element> target_element_;
String target_pseudo_;
Member<KeyframeEffectModelBase> model_;
Member<SampledEffect> sampled_effect_;
Priority priority_;
Vector<int> compositor_keyframe_model_ids_;
bool ignore_css_keyframes_;
base::Optional<FloatSize> effect_target_size_;
};
template <>
struct DowncastTraits<KeyframeEffect> {
static bool AllowFrom(const AnimationEffect& animationNode) {
return animationNode.IsKeyframeEffect();
}
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_ANIMATION_KEYFRAME_EFFECT_H_
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