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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/core/animation/effect_stack.h"
#include <memory>
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/renderer/core/animation/animation_clock.h"
#include "third_party/blink/renderer/core/animation/animation_test_helper.h"
#include "third_party/blink/renderer/core/animation/document_timeline.h"
#include "third_party/blink/renderer/core/animation/element_animations.h"
#include "third_party/blink/renderer/core/animation/invalidatable_interpolation.h"
#include "third_party/blink/renderer/core/animation/keyframe_effect_model.h"
#include "third_party/blink/renderer/core/animation/pending_animations.h"
#include "third_party/blink/renderer/core/animation/string_keyframe.h"
#include "third_party/blink/renderer/core/testing/page_test_base.h"
#include "third_party/blink/renderer/platform/heap/heap.h"
namespace blink {
class AnimationEffectStackTest : public PageTestBase {
protected:
void SetUp() override {
PageTestBase::SetUp(IntSize());
GetDocument().GetAnimationClock().ResetTimeForTesting();
timeline = DocumentTimeline::Create(&GetDocument());
element = GetDocument().CreateElementForBinding("foo");
}
Animation* Play(KeyframeEffect* effect, double start_time) {
Animation* animation = timeline->Play(effect);
animation->setStartTime(start_time * 1000, false);
animation->Update(kTimingUpdateOnDemand);
return animation;
}
void UpdateTimeline(TimeDelta time) {
GetDocument().GetAnimationClock().UpdateTime(
GetDocument().Timeline().ZeroTime() + time);
timeline->ServiceAnimations(kTimingUpdateForAnimationFrame);
}
size_t SampledEffectCount() {
return element->EnsureElementAnimations()
.GetEffectStack()
.sampled_effects_.size();
}
KeyframeEffectModelBase* MakeEffectModel(CSSPropertyID id,
const String& value) {
StringKeyframeVector keyframes(2);
keyframes[0] = MakeGarbageCollected<StringKeyframe>();
keyframes[0]->SetOffset(0.0);
keyframes[0]->SetCSSPropertyValue(
id, value, SecureContextMode::kInsecureContext, nullptr);
keyframes[1] = MakeGarbageCollected<StringKeyframe>();
keyframes[1]->SetOffset(1.0);
keyframes[1]->SetCSSPropertyValue(
id, value, SecureContextMode::kInsecureContext, nullptr);
return MakeGarbageCollected<StringKeyframeEffectModel>(keyframes);
}
InertEffect* MakeInertEffect(KeyframeEffectModelBase* effect) {
Timing timing;
timing.fill_mode = Timing::FillMode::BOTH;
return MakeGarbageCollected<InertEffect>(effect, timing, false, 0);
}
KeyframeEffect* MakeKeyframeEffect(KeyframeEffectModelBase* effect,
double duration = 10) {
Timing timing;
timing.fill_mode = Timing::FillMode::BOTH;
timing.iteration_duration = AnimationTimeDelta::FromSecondsD(duration);
return MakeGarbageCollected<KeyframeEffect>(element.Get(), effect, timing);
}
double GetFontSizeValue(
const ActiveInterpolationsMap& active_interpolations) {
const ActiveInterpolations& interpolations =
active_interpolations.at(PropertyHandle(GetCSSPropertyFontSize()));
EnsureInterpolatedValueCached(interpolations, GetDocument(), element);
const TypedInterpolationValue* typed_value =
ToInvalidatableInterpolation(*interpolations.at(0))
.GetCachedValueForTesting();
// font-size is stored as an array of length values; here we assume pixels.
EXPECT_TRUE(typed_value->GetInterpolableValue().IsList());
const InterpolableList* list =
ToInterpolableList(&typed_value->GetInterpolableValue());
return ToInterpolableNumber(list->Get(0))->Value();
}
double GetZIndexValue(const ActiveInterpolationsMap& active_interpolations) {
const ActiveInterpolations& interpolations =
active_interpolations.at(PropertyHandle(GetCSSPropertyZIndex()));
EnsureInterpolatedValueCached(interpolations, GetDocument(), element);
const TypedInterpolationValue* typed_value =
ToInvalidatableInterpolation(*interpolations.at(0))
.GetCachedValueForTesting();
// z-index is stored as a straight number value.
EXPECT_TRUE(typed_value->GetInterpolableValue().IsNumber());
return ToInterpolableNumber(&typed_value->GetInterpolableValue())->Value();
}
Persistent<DocumentTimeline> timeline;
Persistent<Element> element;
};
TEST_F(AnimationEffectStackTest, ElementAnimationsSorted) {
Play(MakeKeyframeEffect(MakeEffectModel(CSSPropertyID::kFontSize, "1px")),
10);
Play(MakeKeyframeEffect(MakeEffectModel(CSSPropertyID::kFontSize, "2px")),
15);
Play(MakeKeyframeEffect(MakeEffectModel(CSSPropertyID::kFontSize, "3px")), 5);
ActiveInterpolationsMap result = EffectStack::ActiveInterpolations(
&element->GetElementAnimations()->GetEffectStack(), nullptr, nullptr,
KeyframeEffect::kDefaultPriority);
EXPECT_EQ(1u, result.size());
EXPECT_EQ(GetFontSizeValue(result), 3);
}
TEST_F(AnimationEffectStackTest, NewAnimations) {
Play(MakeKeyframeEffect(MakeEffectModel(CSSPropertyID::kFontSize, "1px")),
15);
Play(MakeKeyframeEffect(MakeEffectModel(CSSPropertyID::kZIndex, "2")), 10);
HeapVector<Member<const InertEffect>> new_animations;
InertEffect* inert1 =
MakeInertEffect(MakeEffectModel(CSSPropertyID::kFontSize, "3px"));
InertEffect* inert2 =
MakeInertEffect(MakeEffectModel(CSSPropertyID::kZIndex, "4"));
new_animations.push_back(inert1);
new_animations.push_back(inert2);
ActiveInterpolationsMap result = EffectStack::ActiveInterpolations(
&element->GetElementAnimations()->GetEffectStack(), &new_animations,
nullptr, KeyframeEffect::kDefaultPriority);
EXPECT_EQ(2u, result.size());
EXPECT_EQ(GetFontSizeValue(result), 3);
EXPECT_EQ(GetZIndexValue(result), 4);
}
TEST_F(AnimationEffectStackTest, CancelledAnimations) {
HeapHashSet<Member<const Animation>> cancelled_animations;
Animation* animation = Play(
MakeKeyframeEffect(MakeEffectModel(CSSPropertyID::kFontSize, "1px")), 0);
cancelled_animations.insert(animation);
Play(MakeKeyframeEffect(MakeEffectModel(CSSPropertyID::kZIndex, "2")), 0);
ActiveInterpolationsMap result = EffectStack::ActiveInterpolations(
&element->GetElementAnimations()->GetEffectStack(), nullptr,
&cancelled_animations, KeyframeEffect::kDefaultPriority);
EXPECT_EQ(1u, result.size());
EXPECT_EQ(GetZIndexValue(result), 2);
}
TEST_F(AnimationEffectStackTest, ClearedEffectsRemoved) {
Animation* animation = Play(
MakeKeyframeEffect(MakeEffectModel(CSSPropertyID::kFontSize, "1px")), 10);
ActiveInterpolationsMap result = EffectStack::ActiveInterpolations(
&element->GetElementAnimations()->GetEffectStack(), nullptr, nullptr,
KeyframeEffect::kDefaultPriority);
EXPECT_EQ(1u, result.size());
EXPECT_EQ(GetFontSizeValue(result), 1);
animation->setEffect(nullptr);
result = EffectStack::ActiveInterpolations(
&element->GetElementAnimations()->GetEffectStack(), nullptr, nullptr,
KeyframeEffect::kDefaultPriority);
EXPECT_EQ(0u, result.size());
}
TEST_F(AnimationEffectStackTest, ForwardsFillDiscarding) {
Play(MakeKeyframeEffect(MakeEffectModel(CSSPropertyID::kFontSize, "1px")), 2);
Play(MakeKeyframeEffect(MakeEffectModel(CSSPropertyID::kFontSize, "2px")), 6);
Play(MakeKeyframeEffect(MakeEffectModel(CSSPropertyID::kFontSize, "3px")), 4);
GetDocument().GetPendingAnimations().Update(nullptr);
// Because we will be forcing a naive GC that assumes there are no Oilpan
// objects on the stack (e.g. passes BlinkGC::kNoHeapPointersOnStack), we have
// to keep the ActiveInterpolationsMap in a Persistent.
Persistent<ActiveInterpolationsMap> interpolations;
UpdateTimeline(TimeDelta::FromSeconds(11));
ThreadState::Current()->CollectAllGarbageForTesting();
interpolations = MakeGarbageCollected<ActiveInterpolationsMap>(
EffectStack::ActiveInterpolations(
&element->GetElementAnimations()->GetEffectStack(), nullptr, nullptr,
KeyframeEffect::kDefaultPriority));
EXPECT_EQ(1u, interpolations->size());
EXPECT_EQ(GetFontSizeValue(*interpolations), 3);
EXPECT_EQ(3u, SampledEffectCount());
UpdateTimeline(TimeDelta::FromSeconds(13));
ThreadState::Current()->CollectAllGarbageForTesting();
interpolations = MakeGarbageCollected<ActiveInterpolationsMap>(
EffectStack::ActiveInterpolations(
&element->GetElementAnimations()->GetEffectStack(), nullptr, nullptr,
KeyframeEffect::kDefaultPriority));
EXPECT_EQ(1u, interpolations->size());
EXPECT_EQ(GetFontSizeValue(*interpolations), 3);
EXPECT_EQ(3u, SampledEffectCount());
UpdateTimeline(TimeDelta::FromSeconds(15));
ThreadState::Current()->CollectAllGarbageForTesting();
interpolations = MakeGarbageCollected<ActiveInterpolationsMap>(
EffectStack::ActiveInterpolations(
&element->GetElementAnimations()->GetEffectStack(), nullptr, nullptr,
KeyframeEffect::kDefaultPriority));
EXPECT_EQ(1u, interpolations->size());
EXPECT_EQ(GetFontSizeValue(*interpolations), 3);
EXPECT_EQ(2u, SampledEffectCount());
UpdateTimeline(TimeDelta::FromSeconds(17));
ThreadState::Current()->CollectAllGarbageForTesting();
interpolations = MakeGarbageCollected<ActiveInterpolationsMap>(
EffectStack::ActiveInterpolations(
&element->GetElementAnimations()->GetEffectStack(), nullptr, nullptr,
KeyframeEffect::kDefaultPriority));
EXPECT_EQ(1u, interpolations->size());
EXPECT_EQ(GetFontSizeValue(*interpolations), 3);
EXPECT_EQ(1u, SampledEffectCount());
}
} // namespace blink
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