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// Copyright 2018 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/modules/animationworklet/worklet_animation.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/renderer/bindings/core/v8/serialization/serialized_script_value.h"
#include "third_party/blink/renderer/bindings/modules/v8/animation_effect_or_animation_effect_sequence.h"
#include "third_party/blink/renderer/core/animation/element_animations.h"
#include "third_party/blink/renderer/core/animation/keyframe_effect.h"
#include "third_party/blink/renderer/core/animation/keyframe_effect_model.h"
#include "third_party/blink/renderer/core/animation/scroll_timeline.h"
#include "third_party/blink/renderer/core/dom/document.h"
#include "third_party/blink/renderer/core/paint/paint_layer_scrollable_area.h"
#include "third_party/blink/renderer/core/testing/core_unit_test_helper.h"
#include "third_party/blink/renderer/core/testing/dummy_page_holder.h"
namespace blink {
namespace {
KeyframeEffectModelBase* CreateEffectModel() {
StringKeyframeVector frames_mixed_properties;
Persistent<StringKeyframe> keyframe = StringKeyframe::Create();
keyframe->SetOffset(0);
keyframe->SetCSSPropertyValue(CSSPropertyOpacity, "0",
SecureContextMode::kInsecureContext, nullptr);
frames_mixed_properties.push_back(keyframe);
keyframe = StringKeyframe::Create();
keyframe->SetOffset(1);
keyframe->SetCSSPropertyValue(CSSPropertyOpacity, "1",
SecureContextMode::kInsecureContext, nullptr);
frames_mixed_properties.push_back(keyframe);
return StringKeyframeEffectModel::Create(frames_mixed_properties);
}
KeyframeEffect* CreateKeyframeEffect(Element* element) {
Timing timing;
timing.iteration_duration = AnimationTimeDelta::FromSecondsD(30);
return KeyframeEffect::Create(element, CreateEffectModel(), timing);
}
WorkletAnimation* CreateWorkletAnimation(
ScriptState* script_state,
Element* element,
ScrollTimeline* scroll_timeline = nullptr) {
AnimationEffectOrAnimationEffectSequence effects;
AnimationEffect* effect = CreateKeyframeEffect(element);
effects.SetAnimationEffect(effect);
DocumentTimelineOrScrollTimeline timeline;
if (scroll_timeline)
timeline.SetScrollTimeline(scroll_timeline);
scoped_refptr<SerializedScriptValue> options;
ScriptState::Scope scope(script_state);
DummyExceptionStateForTesting exception_state;
return WorkletAnimation::Create(script_state, "WorkletAnimation", effects,
timeline, std::move(options),
exception_state);
}
} // namespace
class WorkletAnimationTest : public RenderingTest {
public:
WorkletAnimationTest()
: RenderingTest(SingleChildLocalFrameClient::Create()) {}
void SetUp() override {
RenderingTest::SetUp();
element_ = GetDocument().CreateElementForBinding("test");
worklet_animation_ = CreateWorkletAnimation(GetScriptState(), element_);
}
ScriptState* GetScriptState() {
return ToScriptStateForMainWorld(&GetFrame());
}
Persistent<Element> element_;
Persistent<WorkletAnimation> worklet_animation_;
};
TEST_F(WorkletAnimationTest, WorkletAnimationInElementAnimations) {
DummyExceptionStateForTesting exception_state;
worklet_animation_->play(exception_state);
EXPECT_EQ(1u,
element_->EnsureElementAnimations().GetWorkletAnimations().size());
worklet_animation_->cancel();
EXPECT_EQ(0u,
element_->EnsureElementAnimations().GetWorkletAnimations().size());
}
TEST_F(WorkletAnimationTest, StyleHasCurrentAnimation) {
scoped_refptr<ComputedStyle> style =
GetDocument().EnsureStyleResolver().StyleForElement(element_).get();
EXPECT_EQ(false, style->HasCurrentOpacityAnimation());
DummyExceptionStateForTesting exception_state;
worklet_animation_->play(exception_state);
element_->EnsureElementAnimations().UpdateAnimationFlags(*style);
EXPECT_EQ(true, style->HasCurrentOpacityAnimation());
}
TEST_F(WorkletAnimationTest,
CurrentTimeFromDocumentTimelineIsOffsetByStartTime) {
GetDocument().GetAnimationClock().ResetTimeForTesting();
double error = base::TimeDelta::FromMicrosecondsD(1).InMillisecondsF();
WorkletAnimationId id = worklet_animation_->GetWorkletAnimationId();
base::TimeTicks first_ticks =
base::TimeTicks() + base::TimeDelta::FromMillisecondsD(111);
base::TimeTicks second_ticks =
base::TimeTicks() + base::TimeDelta::FromMillisecondsD(111 + 123.4);
GetDocument().GetAnimationClock().UpdateTime(first_ticks);
DummyExceptionStateForTesting exception_state;
worklet_animation_->play(exception_state);
worklet_animation_->UpdateCompositingState();
std::unique_ptr<AnimationWorkletDispatcherInput> state =
std::make_unique<AnimationWorkletDispatcherInput>();
worklet_animation_->UpdateInputState(state.get());
// First state request sets the start time and thus current time should be 0.
std::unique_ptr<AnimationWorkletInput> input =
state->TakeWorkletState(id.scope_id);
EXPECT_NEAR(0, input->added_and_updated_animations[0].current_time, error);
state.reset(new AnimationWorkletDispatcherInput);
GetDocument().GetAnimationClock().UpdateTime(second_ticks);
worklet_animation_->UpdateInputState(state.get());
input = state->TakeWorkletState(id.scope_id);
EXPECT_NEAR(123.4, input->updated_animations[0].current_time, error);
}
TEST_F(WorkletAnimationTest,
CurrentTimeFromScrollTimelineNotOffsetByStartTime) {
SetBodyInnerHTML(R"HTML(
<style>
#scroller { overflow: scroll; width: 100px; height: 100px; }
#spacer { width: 200px; height: 200px; }
</style>
<div id='scroller'>
<div id ='spacer'></div>
</div>
)HTML");
LayoutBoxModelObject* scroller =
ToLayoutBoxModelObject(GetLayoutObjectByElementId("scroller"));
ASSERT_TRUE(scroller);
ASSERT_TRUE(scroller->HasOverflowClip());
PaintLayerScrollableArea* scrollable_area = scroller->GetScrollableArea();
ASSERT_TRUE(scrollable_area);
scrollable_area->SetScrollOffset(ScrollOffset(0, 20), kProgrammaticScroll);
ScrollTimelineOptions* options = ScrollTimelineOptions::Create();
DoubleOrScrollTimelineAutoKeyword time_range =
DoubleOrScrollTimelineAutoKeyword::FromDouble(100);
options->setTimeRange(time_range);
options->setScrollSource(GetElementById("scroller"));
ScrollTimeline* scroll_timeline =
ScrollTimeline::Create(GetDocument(), options, ASSERT_NO_EXCEPTION);
WorkletAnimation* worklet_animation =
CreateWorkletAnimation(GetScriptState(), element_, scroll_timeline);
WorkletAnimationId id = worklet_animation->GetWorkletAnimationId();
DummyExceptionStateForTesting exception_state;
worklet_animation->play(exception_state);
worklet_animation->UpdateCompositingState();
double error = base::TimeDelta::FromMicrosecondsD(1).InMillisecondsF();
scrollable_area->SetScrollOffset(ScrollOffset(0, 40), kProgrammaticScroll);
std::unique_ptr<AnimationWorkletDispatcherInput> state =
std::make_unique<AnimationWorkletDispatcherInput>();
worklet_animation->UpdateInputState(state.get());
std::unique_ptr<AnimationWorkletInput> input =
state->TakeWorkletState(id.scope_id);
EXPECT_NEAR(40, input->added_and_updated_animations[0].current_time, error);
state.reset(new AnimationWorkletDispatcherInput);
scrollable_area->SetScrollOffset(ScrollOffset(0, 70), kProgrammaticScroll);
worklet_animation->UpdateInputState(state.get());
input = state->TakeWorkletState(id.scope_id);
EXPECT_NEAR(70, input->updated_animations[0].current_time, error);
}
} // namespace blink
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