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layer_animator_unittest.cc
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layer_animator_unittest.cc
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// Copyright (c) 2012 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 "ui/compositor/layer_animator.h"
#include <memory>
#include <string>
#include <vector>
#include "base/compiler_specific.h"
#include "base/macros.h"
#include "base/run_loop.h"
#include "base/strings/stringprintf.h"
#include "base/test/scoped_mock_clock_override.h"
#include "base/test/scoped_task_environment.h"
#include "base/time/time.h"
#include "cc/trees/layer_tree_host.h"
#include "cc/trees/mutator_host.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/compositor/layer.h"
#include "ui/compositor/layer_animation_delegate.h"
#include "ui/compositor/layer_animation_element.h"
#include "ui/compositor/layer_animation_sequence.h"
#include "ui/compositor/layer_animator_collection.h"
#include "ui/compositor/scoped_animation_duration_scale_mode.h"
#include "ui/compositor/scoped_layer_animation_settings.h"
#include "ui/compositor/test/layer_animator_test_controller.h"
#include "ui/compositor/test/test_compositor_host.h"
#include "ui/compositor/test/test_context_factories.h"
#include "ui/compositor/test/test_layer_animation_delegate.h"
#include "ui/compositor/test/test_layer_animation_observer.h"
#include "ui/compositor/test/test_utils.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/transform.h"
namespace ui {
namespace {
// Converts |color| to a string. Each component of the color is separated by a
// space and the order if A R G B.
std::string ColorToString(SkColor color) {
return base::StringPrintf("%d %d %d %d", SkColorGetA(color),
SkColorGetR(color), SkColorGetG(color),
SkColorGetB(color));
}
// Creates vector with two LayerAnimationSequences, based on |first| and
// |second| layer animation elements.
std::vector<LayerAnimationSequence*> CreateMultiSequence(
std::unique_ptr<LayerAnimationElement> first,
std::unique_ptr<LayerAnimationElement> second) {
LayerAnimationSequence* first_sequence = new LayerAnimationSequence();
first_sequence->AddElement(std::move(first));
LayerAnimationSequence* second_sequence = new LayerAnimationSequence();
second_sequence->AddElement(std::move(second));
std::vector<ui::LayerAnimationSequence*> animations;
animations.push_back(first_sequence);
animations.push_back(second_sequence);
return animations;
}
// Creates a default animator with timers disabled for test. |delegate| and
// |observer| are attached if non-null.
LayerAnimator* CreateDefaultTestAnimator(LayerAnimationDelegate* delegate,
LayerAnimationObserver* observer) {
LayerAnimator* animator(LayerAnimator::CreateDefaultAnimator());
animator->set_disable_timer_for_test(true);
if (delegate)
animator->SetDelegate(delegate);
if (observer)
animator->AddObserver(observer);
return animator;
}
// Creates a default animator with timers disabled for test. |delegate| is
// attached if non-null.
LayerAnimator* CreateDefaultTestAnimator(LayerAnimationDelegate* delegate) {
return CreateDefaultTestAnimator(delegate, nullptr);
}
// Creates a default animator with timers disabled for test.
LayerAnimator* CreateDefaultTestAnimator() {
return CreateDefaultTestAnimator(nullptr, nullptr);
}
// Creates an implicit animator with timers disabled for test. |delegate| and
// |observer| are attached if non-null.
LayerAnimator* CreateImplicitTestAnimator(LayerAnimationDelegate* delegate,
LayerAnimationObserver* observer) {
LayerAnimator* animator(LayerAnimator::CreateImplicitAnimator());
animator->set_disable_timer_for_test(true);
if (delegate)
animator->SetDelegate(delegate);
if (observer)
animator->AddObserver(observer);
return animator;
}
// Creates an implicit animator with timers disabled for test. |delegate| is
// attached if non-null.
LayerAnimator* CreateImplicitTestAnimator(LayerAnimationDelegate* delegate) {
return CreateImplicitTestAnimator(delegate, nullptr);
}
// Creates an implicit animator with timers disabled for test.
LayerAnimator* CreateImplicitTestAnimator() {
return CreateImplicitTestAnimator(nullptr, nullptr);
}
class TestImplicitAnimationObserver : public ImplicitAnimationObserver {
public:
explicit TestImplicitAnimationObserver(bool notify_when_animator_destructed)
: animations_completed_(false),
notify_when_animator_destructed_(notify_when_animator_destructed) {
}
bool animations_completed() const { return animations_completed_; }
void set_animations_completed(bool completed) {
animations_completed_ = completed;
}
bool WasAnimationAbortedForProperty(
LayerAnimationElement::AnimatableProperty property) const {
return ImplicitAnimationObserver::WasAnimationAbortedForProperty(property);
}
bool WasAnimationCompletedForProperty(
LayerAnimationElement::AnimatableProperty property) const {
return ImplicitAnimationObserver::WasAnimationCompletedForProperty(
property);
}
private:
// ImplicitAnimationObserver implementation
void OnImplicitAnimationsCompleted() override {
animations_completed_ = true;
}
bool RequiresNotificationWhenAnimatorDestroyed() const override {
return notify_when_animator_destructed_;
}
bool animations_completed_;
bool notify_when_animator_destructed_;
DISALLOW_COPY_AND_ASSIGN(TestImplicitAnimationObserver);
};
// When notified that an animation has ended, stops all other animations.
class DeletingLayerAnimationObserver : public LayerAnimationObserver {
public:
explicit DeletingLayerAnimationObserver(LayerAnimator* animator)
: animator_(animator) {}
void OnLayerAnimationEnded(LayerAnimationSequence* sequence) override {
animator_->StopAnimating();
}
void OnLayerAnimationAborted(LayerAnimationSequence* sequence) override {
animator_->StopAnimating();
}
void OnLayerAnimationScheduled(LayerAnimationSequence* sequence) override {}
private:
LayerAnimator* animator_;
DISALLOW_COPY_AND_ASSIGN(DeletingLayerAnimationObserver);
};
// When notified that an animation has started, aborts all animations.
class AbortAnimationsOnStartedLayerAnimationObserver
: public LayerAnimationObserver {
public:
explicit AbortAnimationsOnStartedLayerAnimationObserver(
LayerAnimator* animator)
: animator_(animator) {}
void OnLayerAnimationStarted(LayerAnimationSequence* sequence) override {
animator_->AbortAllAnimations();
}
void OnLayerAnimationEnded(LayerAnimationSequence* sequence) override {}
void OnLayerAnimationAborted(LayerAnimationSequence* sequence) override {}
void OnLayerAnimationScheduled(LayerAnimationSequence* sequence) override {}
private:
LayerAnimator* animator_;
DISALLOW_COPY_AND_ASSIGN(AbortAnimationsOnStartedLayerAnimationObserver);
};
class LayerAnimatorDestructionObserver {
public:
LayerAnimatorDestructionObserver() : animator_deleted_(false) {}
virtual ~LayerAnimatorDestructionObserver() {}
void NotifyAnimatorDeleted() {
animator_deleted_ = true;
}
bool IsAnimatorDeleted() {
return animator_deleted_;
}
private:
bool animator_deleted_;
DISALLOW_COPY_AND_ASSIGN(LayerAnimatorDestructionObserver);
};
class TestLayerAnimator : public LayerAnimator {
public:
TestLayerAnimator() : LayerAnimator(base::TimeDelta::FromSeconds(0)),
destruction_observer_(NULL) {}
void SetDestructionObserver(
LayerAnimatorDestructionObserver* observer) {
destruction_observer_ = observer;
}
protected:
~TestLayerAnimator() override {
if (destruction_observer_) {
destruction_observer_->NotifyAnimatorDeleted();
}
}
void ProgressAnimation(LayerAnimationSequence* sequence,
base::TimeTicks now) override {
EXPECT_TRUE(HasAnimation(sequence));
LayerAnimator::ProgressAnimation(sequence, now);
}
private:
LayerAnimatorDestructionObserver* destruction_observer_;
DISALLOW_COPY_AND_ASSIGN(TestLayerAnimator);
};
// The test layer animation sequence updates a live instances count when it is
// created and destroyed.
class TestLayerAnimationSequence : public LayerAnimationSequence {
public:
TestLayerAnimationSequence(std::unique_ptr<LayerAnimationElement> element,
int* num_live_instances)
: LayerAnimationSequence(std::move(element)),
num_live_instances_(num_live_instances) {
(*num_live_instances_)++;
}
~TestLayerAnimationSequence() override { (*num_live_instances_)--; }
private:
int* num_live_instances_;
DISALLOW_COPY_AND_ASSIGN(TestLayerAnimationSequence);
};
} // namespace
namespace test {
// Tracks the number of calls to the LayerAnimationObserver overrides and fails
// CHECKS if the counts are inconsistent, e.g. the number of started sequences
// is greater than the number of attached sequences.
class CountCheckingLayerAnimationObserver : public LayerAnimationObserver {
public:
explicit CountCheckingLayerAnimationObserver(LayerAnimationObserver* observer)
: observer_(observer) {}
void OnLayerAnimationStarted(LayerAnimationSequence* sequence) override {
++started_count_;
EXPECT_LE(started_count_, attached_sequence_count_);
EXPECT_LE(started_count_, sequences_scheduled_);
if (observer_)
observer_->OnLayerAnimationStarted(sequence);
}
void OnLayerAnimationEnded(LayerAnimationSequence* sequence) override {
++successful_count_;
EXPECT_LE(GetNumSequencesCompleted(), sequences_scheduled_)
<< " aborted_count_=" << aborted_count_
<< " successful_count_=" << successful_count_;
EXPECT_LE(GetNumSequencesCompleted(), attached_sequence_count_)
<< " aborted_count_=" << aborted_count_
<< " successful_count_=" << successful_count_;
if (observer_)
observer_->OnLayerAnimationEnded(sequence);
}
void OnLayerAnimationAborted(LayerAnimationSequence* sequence) override {
++aborted_count_;
EXPECT_LE(GetNumSequencesCompleted(), sequences_scheduled_)
<< " aborted_count_=" << aborted_count_
<< " successful_count_=" << successful_count_;
EXPECT_LE(GetNumSequencesCompleted(), attached_sequence_count_)
<< " aborted_count_=" << aborted_count_
<< " successful_count_=" << successful_count_;
if (observer_)
observer_->OnLayerAnimationAborted(sequence);
}
void OnLayerAnimationScheduled(LayerAnimationSequence* sequence) override {
++sequences_scheduled_;
EXPECT_LE(sequences_scheduled_, attached_sequence_count_);
if (observer_)
observer_->OnLayerAnimationScheduled(sequence);
}
int GetNumSequencesCompleted() { return aborted_count_ + successful_count_; }
protected:
void OnAttachedToSequence(LayerAnimationSequence* sequence) override {
++attached_sequence_count_;
if (observer_)
observer_->OnAttachedToSequence(sequence);
}
void OnDetachedFromSequence(LayerAnimationSequence* sequence) override {
++detached_sequence_count_;
EXPECT_LE(detached_sequence_count_, attached_sequence_count_);
EXPECT_LE(detached_sequence_count_, GetNumSequencesCompleted())
<< " aborted_count_=" << aborted_count_
<< " successful_count_=" << successful_count_;
if (observer_)
observer_->OnDetachedFromSequence(sequence);
}
private:
// Observer to which LayerAnimationObserver calls are delgated.
LayerAnimationObserver* observer_;
// The total number of animation sequences that have been attached.
int attached_sequence_count_ = 0;
// The total number of animation sequences that have been detached.
int detached_sequence_count_ = 0;
// The total number of animation sequences that have been scheduled.
int sequences_scheduled_ = 0;
// The number of animation sequences that have been started.
int started_count_ = 0;
// The number of animation sequences that were aborted.
int aborted_count_ = 0;
// The number of animation sequences that completed successfully.
int successful_count_ = 0;
DISALLOW_COPY_AND_ASSIGN(CountCheckingLayerAnimationObserver);
};
} // namespace test
// Checks that setting a property on an implicit animator causes an animation to
// happen.
TEST(LayerAnimatorTest, ImplicitAnimation) {
TestLayerAnimationDelegate delegate;
scoped_refptr<LayerAnimator> animator(CreateImplicitTestAnimator(&delegate));
base::TimeTicks now = base::TimeTicks::Now();
animator->SetBrightness(0.5);
EXPECT_TRUE(animator->is_animating());
animator->Step(now + base::TimeDelta::FromSeconds(1));
EXPECT_FLOAT_EQ(delegate.GetBrightnessForAnimation(), 0.5);
delegate.ExpectLastPropertyChangeReason(PropertyChangeReason::FROM_ANIMATION);
}
// Checks that if the animator is a default animator, that implicit animations
// are not started.
TEST(LayerAnimatorTest, NoImplicitAnimation) {
TestLayerAnimationDelegate delegate;
scoped_refptr<LayerAnimator> animator(CreateDefaultTestAnimator(&delegate));
animator->SetBrightness(0.5);
EXPECT_FALSE(animator->is_animating());
EXPECT_FLOAT_EQ(delegate.GetBrightnessForAnimation(), 0.5);
delegate.ExpectLastPropertyChangeReason(
PropertyChangeReason::NOT_FROM_ANIMATION);
}
// Checks that StopAnimatingProperty stops animation for that property, and also
// skips the stopped animation to the end.
TEST(LayerAnimatorTest, StopAnimatingProperty) {
TestLayerAnimationDelegate delegate;
scoped_refptr<LayerAnimator> animator(CreateImplicitTestAnimator(&delegate));
double target_opacity(0.5);
gfx::Rect target_bounds(0, 0, 50, 50);
animator->SetOpacity(target_opacity);
animator->SetBounds(target_bounds);
animator->StopAnimatingProperty(LayerAnimationElement::OPACITY);
EXPECT_TRUE(animator->is_animating());
EXPECT_FLOAT_EQ(delegate.GetOpacityForAnimation(), 0.5);
animator->StopAnimatingProperty(LayerAnimationElement::BOUNDS);
EXPECT_FALSE(animator->is_animating());
CheckApproximatelyEqual(delegate.GetBoundsForAnimation(), target_bounds);
}
// Checks that multiple running animations for separate properties can be
// stopped simultaneously and that all animations are advanced to their target
// values.
TEST(LayerAnimatorTest, StopAnimating) {
TestLayerAnimationDelegate delegate;
scoped_refptr<LayerAnimator> animator(CreateImplicitTestAnimator(&delegate));
double target_opacity(0.5);
gfx::Rect target_bounds(0, 0, 50, 50);
animator->SetOpacity(target_opacity);
animator->SetBounds(target_bounds);
EXPECT_TRUE(animator->is_animating());
animator->StopAnimating();
EXPECT_FALSE(animator->is_animating());
EXPECT_FLOAT_EQ(delegate.GetOpacityForAnimation(), 0.5);
CheckApproximatelyEqual(delegate.GetBoundsForAnimation(), target_bounds);
}
// Checks that multiple running animations for separate properties can be
// stopped simultaneously and that aborted animations are NOT advanced to their
// target values.
TEST(LayerAnimatorTest, AbortAllAnimations) {
TestLayerAnimationDelegate delegate;
double initial_opacity(1.0);
gfx::Rect initial_bounds(0, 0, 10, 10);
delegate.SetOpacityFromAnimation(initial_opacity,
PropertyChangeReason::NOT_FROM_ANIMATION);
delegate.SetBoundsFromAnimation(initial_bounds,
PropertyChangeReason::NOT_FROM_ANIMATION);
scoped_refptr<LayerAnimator> animator(CreateImplicitTestAnimator(&delegate));
double target_opacity(0.5);
gfx::Rect target_bounds(0, 0, 50, 50);
animator->SetOpacity(target_opacity);
animator->SetBounds(target_bounds);
EXPECT_TRUE(animator->is_animating());
animator->AbortAllAnimations();
EXPECT_FALSE(animator->is_animating());
EXPECT_FLOAT_EQ(initial_opacity, delegate.GetOpacityForAnimation());
CheckApproximatelyEqual(initial_bounds, delegate.GetBoundsForAnimation());
}
// Schedule a non-threaded animation that can run immediately. This is the
// trivial case and should result in the animation being started immediately.
TEST(LayerAnimatorTest, ScheduleAnimationThatCanRunImmediately) {
TestLayerAnimationDelegate delegate;
scoped_refptr<LayerAnimator> animator(CreateDefaultTestAnimator(&delegate));
double start_brightness(0.0);
double middle_brightness(0.5);
double target_brightness(1.0);
base::TimeDelta delta = base::TimeDelta::FromSeconds(1);
delegate.SetBrightnessFromAnimation(start_brightness,
PropertyChangeReason::NOT_FROM_ANIMATION);
animator->ScheduleAnimation(
new LayerAnimationSequence(
LayerAnimationElement::CreateBrightnessElement(target_brightness,
delta)));
EXPECT_TRUE(animator->is_animating());
EXPECT_FLOAT_EQ(delegate.GetBrightnessForAnimation(), start_brightness);
base::TimeTicks start_time = animator->last_step_time();
animator->Step(start_time + base::TimeDelta::FromMilliseconds(500));
EXPECT_TRUE(animator->is_animating());
EXPECT_FLOAT_EQ(delegate.GetBrightnessForAnimation(), middle_brightness);
animator->Step(start_time + base::TimeDelta::FromMilliseconds(1000));
EXPECT_FALSE(animator->is_animating());
EXPECT_FLOAT_EQ(delegate.GetBrightnessForAnimation(), target_brightness);
}
// Schedule a threaded animation that can run immediately.
TEST(LayerAnimatorTest, ScheduleThreadedAnimationThatCanRunImmediately) {
double epsilon = 0.00001;
TestLayerAnimationDelegate delegate;
LayerAnimatorTestController test_controller(
CreateDefaultTestAnimator(&delegate));
LayerAnimator* animator = test_controller.animator();
double start_opacity(0.0);
double target_opacity(1.0);
base::TimeDelta delta = base::TimeDelta::FromSeconds(1);
delegate.SetOpacityFromAnimation(start_opacity,
PropertyChangeReason::NOT_FROM_ANIMATION);
test_controller.animator()->ScheduleAnimation(
new LayerAnimationSequence(
LayerAnimationElement::CreateOpacityElement(target_opacity, delta)));
EXPECT_TRUE(test_controller.animator()->is_animating());
EXPECT_FLOAT_EQ(delegate.GetOpacityForAnimation(), start_opacity);
base::TimeTicks start_time = test_controller.animator()->last_step_time();
base::TimeTicks effective_start = start_time + delta;
test_controller.animator()->OnThreadedAnimationStarted(
effective_start, cc::TargetProperty::OPACITY,
test_controller.GetRunningSequence(LayerAnimationElement::OPACITY)
->animation_group_id());
animator->Step(effective_start + delta / 2);
EXPECT_TRUE(test_controller.animator()->is_animating());
EXPECT_NEAR(
0.5,
test_controller.GetRunningSequence(LayerAnimationElement::OPACITY)->
last_progressed_fraction(),
epsilon);
animator->Step(effective_start + delta);
EXPECT_FALSE(test_controller.animator()->is_animating());
EXPECT_FLOAT_EQ(delegate.GetOpacityForAnimation(), target_opacity);
}
// Schedule two non-threaded animations on separate properties. Both animations
// should start immediately and should progress in lock step.
TEST(LayerAnimatorTest, ScheduleTwoAnimationsThatCanRunImmediately) {
TestLayerAnimationDelegate delegate;
scoped_refptr<LayerAnimator> animator(CreateDefaultTestAnimator(&delegate));
double start_brightness(0.0);
double middle_brightness(0.5);
double target_brightness(1.0);
gfx::Rect start_bounds, target_bounds, middle_bounds;
start_bounds = target_bounds = middle_bounds = gfx::Rect(0, 0, 50, 50);
start_bounds.set_x(-90);
target_bounds.set_x(90);
base::TimeDelta delta = base::TimeDelta::FromSeconds(1);
delegate.SetBrightnessFromAnimation(start_brightness,
PropertyChangeReason::NOT_FROM_ANIMATION);
delegate.SetBoundsFromAnimation(start_bounds,
PropertyChangeReason::NOT_FROM_ANIMATION);
animator->ScheduleAnimation(
new LayerAnimationSequence(
LayerAnimationElement::CreateBrightnessElement(target_brightness,
delta)));
animator->ScheduleAnimation(
new LayerAnimationSequence(
LayerAnimationElement::CreateBoundsElement(target_bounds, delta)));
EXPECT_TRUE(animator->is_animating());
EXPECT_FLOAT_EQ(delegate.GetBrightnessForAnimation(), start_brightness);
CheckApproximatelyEqual(delegate.GetBoundsForAnimation(), start_bounds);
base::TimeTicks start_time = animator->last_step_time();
animator->Step(start_time + base::TimeDelta::FromMilliseconds(500));
EXPECT_TRUE(animator->is_animating());
EXPECT_FLOAT_EQ(delegate.GetBrightnessForAnimation(), middle_brightness);
CheckApproximatelyEqual(delegate.GetBoundsForAnimation(), middle_bounds);
animator->Step(start_time + base::TimeDelta::FromMilliseconds(1000));
EXPECT_FALSE(animator->is_animating());
EXPECT_FLOAT_EQ(delegate.GetBrightnessForAnimation(), target_brightness);
CheckApproximatelyEqual(delegate.GetBoundsForAnimation(), target_bounds);
}
// Schedule a threaded and a non-threaded animation on separate properties. Both
// animations should progress in lock step.
TEST(LayerAnimatorTest, ScheduleThreadedAndNonThreadedAnimations) {
double epsilon = 0.00001;
TestLayerAnimationDelegate delegate;
LayerAnimatorTestController test_controller(
CreateDefaultTestAnimator(&delegate));
LayerAnimator* animator = test_controller.animator();
double start_opacity(0.0);
double target_opacity(1.0);
gfx::Rect start_bounds, target_bounds, middle_bounds;
start_bounds = target_bounds = middle_bounds = gfx::Rect(0, 0, 50, 50);
start_bounds.set_x(-90);
target_bounds.set_x(90);
base::TimeDelta delta = base::TimeDelta::FromSeconds(1);
delegate.SetOpacityFromAnimation(start_opacity,
PropertyChangeReason::NOT_FROM_ANIMATION);
delegate.SetBoundsFromAnimation(start_bounds,
PropertyChangeReason::NOT_FROM_ANIMATION);
std::vector<LayerAnimationSequence*> animations;
animations.push_back(
new LayerAnimationSequence(
LayerAnimationElement::CreateOpacityElement(target_opacity, delta)));
animations.push_back(
new LayerAnimationSequence(
LayerAnimationElement::CreateBoundsElement(target_bounds, delta)));
test_controller.animator()->ScheduleTogether(animations);
EXPECT_TRUE(test_controller.animator()->is_animating());
EXPECT_FLOAT_EQ(delegate.GetOpacityForAnimation(), start_opacity);
CheckApproximatelyEqual(delegate.GetBoundsForAnimation(), start_bounds);
base::TimeTicks start_time = test_controller.animator()->last_step_time();
base::TimeTicks effective_start = start_time + delta;
test_controller.animator()->OnThreadedAnimationStarted(
effective_start, cc::TargetProperty::OPACITY,
test_controller.GetRunningSequence(LayerAnimationElement::OPACITY)
->animation_group_id());
animator->Step(effective_start + delta / 2);
EXPECT_TRUE(test_controller.animator()->is_animating());
EXPECT_NEAR(
0.5,
test_controller.GetRunningSequence(LayerAnimationElement::OPACITY)->
last_progressed_fraction(),
epsilon);
CheckApproximatelyEqual(delegate.GetBoundsForAnimation(), middle_bounds);
animator->Step(effective_start + delta);
EXPECT_FALSE(test_controller.animator()->is_animating());
EXPECT_FLOAT_EQ(delegate.GetOpacityForAnimation(), target_opacity);
CheckApproximatelyEqual(delegate.GetBoundsForAnimation(), target_bounds);
}
// Schedule two animations on the same property. In this case, the two
// animations should run one after another.
TEST(LayerAnimatorTest, ScheduleTwoAnimationsOnSameProperty) {
TestLayerAnimationDelegate delegate;
scoped_refptr<LayerAnimator> animator(CreateDefaultTestAnimator(&delegate));
double start_brightness(0.0);
double middle_brightness(0.5);
double target_brightness(1.0);
base::TimeDelta delta = base::TimeDelta::FromSeconds(1);
delegate.SetBrightnessFromAnimation(start_brightness,
PropertyChangeReason::NOT_FROM_ANIMATION);
animator->ScheduleAnimation(
new LayerAnimationSequence(
LayerAnimationElement::CreateBrightnessElement(target_brightness,
delta)));
animator->ScheduleAnimation(
new LayerAnimationSequence(
LayerAnimationElement::CreateBrightnessElement(start_brightness,
delta)));
EXPECT_TRUE(animator->is_animating());
EXPECT_FLOAT_EQ(delegate.GetBrightnessForAnimation(), start_brightness);
base::TimeTicks start_time = animator->last_step_time();
animator->Step(start_time + base::TimeDelta::FromMilliseconds(500));
EXPECT_TRUE(animator->is_animating());
EXPECT_FLOAT_EQ(delegate.GetBrightnessForAnimation(), middle_brightness);
animator->Step(start_time + base::TimeDelta::FromMilliseconds(1000));
EXPECT_TRUE(animator->is_animating());
EXPECT_FLOAT_EQ(delegate.GetBrightnessForAnimation(), target_brightness);
animator->Step(start_time + base::TimeDelta::FromMilliseconds(1500));
EXPECT_TRUE(animator->is_animating());
EXPECT_FLOAT_EQ(delegate.GetBrightnessForAnimation(), middle_brightness);
animator->Step(start_time + base::TimeDelta::FromMilliseconds(2000));
EXPECT_FALSE(animator->is_animating());
EXPECT_FLOAT_EQ(delegate.GetBrightnessForAnimation(), start_brightness);
}
// Schedule [{g}, {g,b}, {b}] and ensure that {b} doesn't run right away. That
// is, ensure that all animations targetting a particular property are run in
// order.
TEST(LayerAnimatorTest, ScheduleBlockedAnimation) {
TestLayerAnimationDelegate delegate;
scoped_refptr<LayerAnimator> animator(CreateDefaultTestAnimator(&delegate));
double start_grayscale(0.0);
double middle_grayscale(0.5);
double target_grayscale(1.0);
gfx::Rect start_bounds, target_bounds, middle_bounds;
start_bounds = target_bounds = middle_bounds = gfx::Rect(0, 0, 50, 50);
start_bounds.set_x(-90);
target_bounds.set_x(90);
base::TimeDelta delta = base::TimeDelta::FromSeconds(1);
delegate.SetGrayscaleFromAnimation(start_grayscale,
PropertyChangeReason::NOT_FROM_ANIMATION);
delegate.SetBoundsFromAnimation(start_bounds,
PropertyChangeReason::NOT_FROM_ANIMATION);
animator->ScheduleAnimation(
new LayerAnimationSequence(
LayerAnimationElement::CreateGrayscaleElement(target_grayscale,
delta)));
std::unique_ptr<LayerAnimationSequence> bounds_and_grayscale(
new LayerAnimationSequence(LayerAnimationElement::CreateGrayscaleElement(
start_grayscale, delta)));
bounds_and_grayscale->AddElement(
LayerAnimationElement::CreateBoundsElement(target_bounds, delta));
animator->ScheduleAnimation(bounds_and_grayscale.release());
animator->ScheduleAnimation(
new LayerAnimationSequence(
LayerAnimationElement::CreateBoundsElement(start_bounds, delta)));
EXPECT_TRUE(animator->is_animating());
EXPECT_FLOAT_EQ(delegate.GetGrayscaleForAnimation(), start_grayscale);
CheckApproximatelyEqual(delegate.GetBoundsForAnimation(), start_bounds);
base::TimeTicks start_time = animator->last_step_time();
animator->Step(start_time + base::TimeDelta::FromMilliseconds(500));
EXPECT_TRUE(animator->is_animating());
EXPECT_FLOAT_EQ(delegate.GetGrayscaleForAnimation(), middle_grayscale);
CheckApproximatelyEqual(delegate.GetBoundsForAnimation(), start_bounds);
animator->Step(start_time + base::TimeDelta::FromMilliseconds(1000));
EXPECT_TRUE(animator->is_animating());
EXPECT_FLOAT_EQ(delegate.GetGrayscaleForAnimation(), target_grayscale);
CheckApproximatelyEqual(delegate.GetBoundsForAnimation(), start_bounds);
animator->Step(start_time + base::TimeDelta::FromMilliseconds(2000));
EXPECT_TRUE(animator->is_animating());
EXPECT_FLOAT_EQ(delegate.GetGrayscaleForAnimation(), start_grayscale);
CheckApproximatelyEqual(delegate.GetBoundsForAnimation(), start_bounds);
animator->Step(start_time + base::TimeDelta::FromMilliseconds(3000));
EXPECT_TRUE(animator->is_animating());
EXPECT_FLOAT_EQ(delegate.GetGrayscaleForAnimation(), start_grayscale);
CheckApproximatelyEqual(delegate.GetBoundsForAnimation(), target_bounds);
animator->Step(start_time + base::TimeDelta::FromMilliseconds(4000));
EXPECT_FALSE(animator->is_animating());
EXPECT_FLOAT_EQ(delegate.GetGrayscaleForAnimation(), start_grayscale);
CheckApproximatelyEqual(delegate.GetBoundsForAnimation(), start_bounds);
}
// Schedule {g} and then schedule {g} and {b} together. In this case, since
// ScheduleTogether is being used, the bounds animation should not start until
// the second grayscale animation starts.
TEST(LayerAnimatorTest, ScheduleTogether) {
TestLayerAnimationDelegate delegate;
scoped_refptr<LayerAnimator> animator(CreateDefaultTestAnimator(&delegate));
double start_grayscale(0.0);
double target_grayscale(1.0);
gfx::Rect start_bounds, target_bounds;
start_bounds = target_bounds = gfx::Rect(0, 0, 50, 50);
start_bounds.set_x(-90);
target_bounds.set_x(90);
base::TimeDelta delta = base::TimeDelta::FromSeconds(1);
delegate.SetGrayscaleFromAnimation(start_grayscale,
PropertyChangeReason::NOT_FROM_ANIMATION);
delegate.SetBoundsFromAnimation(start_bounds,
PropertyChangeReason::NOT_FROM_ANIMATION);
animator->ScheduleAnimation(
new LayerAnimationSequence(
LayerAnimationElement::CreateGrayscaleElement(target_grayscale,
delta)));
std::vector<LayerAnimationSequence*> sequences;
sequences.push_back(new LayerAnimationSequence(
LayerAnimationElement::CreateGrayscaleElement(start_grayscale, delta)));
sequences.push_back(new LayerAnimationSequence(
LayerAnimationElement::CreateBoundsElement(target_bounds, delta)));
animator->ScheduleTogether(sequences);
EXPECT_TRUE(animator->is_animating());
EXPECT_FLOAT_EQ(delegate.GetGrayscaleForAnimation(), start_grayscale);
CheckApproximatelyEqual(delegate.GetBoundsForAnimation(), start_bounds);
base::TimeTicks start_time = animator->last_step_time();
animator->Step(start_time + base::TimeDelta::FromMilliseconds(1000));
EXPECT_TRUE(animator->is_animating());
EXPECT_FLOAT_EQ(delegate.GetGrayscaleForAnimation(), target_grayscale);
CheckApproximatelyEqual(delegate.GetBoundsForAnimation(), start_bounds);
animator->Step(start_time + base::TimeDelta::FromMilliseconds(2000));
EXPECT_FALSE(animator->is_animating());
EXPECT_FLOAT_EQ(delegate.GetGrayscaleForAnimation(), start_grayscale);
CheckApproximatelyEqual(delegate.GetBoundsForAnimation(), target_bounds);
}
// Start non-threaded animation (that can run immediately). This is the trivial
// case (see the trival case for ScheduleAnimation).
TEST(LayerAnimatorTest, StartAnimationThatCanRunImmediately) {
TestLayerAnimationDelegate delegate;
scoped_refptr<LayerAnimator> animator(CreateDefaultTestAnimator(&delegate));
double start_brightness(0.0);
double middle_brightness(0.5);
double target_brightness(1.0);
base::TimeDelta delta = base::TimeDelta::FromSeconds(1);
delegate.SetBrightnessFromAnimation(start_brightness,
PropertyChangeReason::NOT_FROM_ANIMATION);
animator->StartAnimation(
new LayerAnimationSequence(
LayerAnimationElement::CreateBrightnessElement(target_brightness,
delta)));
EXPECT_TRUE(animator->is_animating());
EXPECT_FLOAT_EQ(delegate.GetBrightnessForAnimation(), start_brightness);
base::TimeTicks start_time = animator->last_step_time();
animator->Step(start_time + base::TimeDelta::FromMilliseconds(500));
EXPECT_TRUE(animator->is_animating());
EXPECT_FLOAT_EQ(delegate.GetBrightnessForAnimation(), middle_brightness);
animator->Step(start_time + base::TimeDelta::FromMilliseconds(1000));
EXPECT_FALSE(animator->is_animating());
EXPECT_FLOAT_EQ(delegate.GetBrightnessForAnimation(), target_brightness);
}
// Start threaded animation (that can run immediately).
TEST(LayerAnimatorTest, StartThreadedAnimationThatCanRunImmediately) {
double epsilon = 0.00001;
TestLayerAnimationDelegate delegate;
LayerAnimatorTestController test_controller(
CreateDefaultTestAnimator(&delegate));
LayerAnimator* animator = test_controller.animator();
double start_opacity(0.0);
double target_opacity(1.0);
base::TimeDelta delta = base::TimeDelta::FromSeconds(1);
delegate.SetOpacityFromAnimation(start_opacity,
PropertyChangeReason::NOT_FROM_ANIMATION);
test_controller.animator()->StartAnimation(
new LayerAnimationSequence(
LayerAnimationElement::CreateOpacityElement(target_opacity, delta)));
EXPECT_TRUE(test_controller.animator()->is_animating());
EXPECT_FLOAT_EQ(delegate.GetOpacityForAnimation(), start_opacity);
base::TimeTicks start_time = test_controller.animator()->last_step_time();
base::TimeTicks effective_start = start_time + delta;
test_controller.animator()->OnThreadedAnimationStarted(
effective_start, cc::TargetProperty::OPACITY,
test_controller.GetRunningSequence(LayerAnimationElement::OPACITY)
->animation_group_id());
animator->Step(effective_start + delta / 2);
EXPECT_TRUE(test_controller.animator()->is_animating());
EXPECT_NEAR(
0.5,
test_controller.GetRunningSequence(LayerAnimationElement::OPACITY)->
last_progressed_fraction(),
epsilon);
animator->Step(effective_start + delta);
EXPECT_FALSE(test_controller.animator()->is_animating());
EXPECT_FLOAT_EQ(delegate.GetOpacityForAnimation(), target_opacity);
}
// Preempt by immediately setting new target.
TEST(LayerAnimatorTest, PreemptBySettingNewTarget) {
TestLayerAnimationDelegate delegate;
scoped_refptr<LayerAnimator> animator(CreateDefaultTestAnimator(&delegate));
double start_opacity(0.0);
double target_opacity(1.0);
base::TimeDelta delta = base::TimeDelta::FromSeconds(1);
delegate.SetOpacityFromAnimation(start_opacity,
PropertyChangeReason::NOT_FROM_ANIMATION);
animator->set_preemption_strategy(LayerAnimator::IMMEDIATELY_SET_NEW_TARGET);
animator->StartAnimation(
new LayerAnimationSequence(
LayerAnimationElement::CreateOpacityElement(target_opacity, delta)));
animator->StartAnimation(
new LayerAnimationSequence(
LayerAnimationElement::CreateOpacityElement(start_opacity, delta)));
EXPECT_FALSE(animator->is_animating());
EXPECT_FLOAT_EQ(delegate.GetOpacityForAnimation(), start_opacity);
}
// Preempt by animating to new target, with a non-threaded animation.
TEST(LayerAnimatorTest, PreemptByImmediatelyAnimatingToNewTarget) {
TestLayerAnimationDelegate delegate;
scoped_refptr<LayerAnimator> animator(CreateDefaultTestAnimator(&delegate));
double start_brightness(0.0);
double middle_brightness(0.5);
double target_brightness(1.0);
base::TimeDelta delta = base::TimeDelta::FromSeconds(1);
delegate.SetBrightnessFromAnimation(start_brightness,
PropertyChangeReason::NOT_FROM_ANIMATION);
animator->set_preemption_strategy(
LayerAnimator::IMMEDIATELY_ANIMATE_TO_NEW_TARGET);
animator->StartAnimation(
new LayerAnimationSequence(
LayerAnimationElement::CreateBrightnessElement(target_brightness,
delta)));
base::TimeTicks start_time = animator->last_step_time();
animator->Step(start_time + base::TimeDelta::FromMilliseconds(500));
animator->StartAnimation(
new LayerAnimationSequence(
LayerAnimationElement::CreateBrightnessElement(start_brightness,
delta)));
EXPECT_TRUE(animator->is_animating());
EXPECT_FLOAT_EQ(delegate.GetBrightnessForAnimation(), middle_brightness);
animator->StartAnimation(
new LayerAnimationSequence(
LayerAnimationElement::CreateBrightnessElement(start_brightness,
delta)));
EXPECT_TRUE(animator->is_animating());
animator->Step(start_time + base::TimeDelta::FromMilliseconds(1000));
EXPECT_TRUE(animator->is_animating());
EXPECT_FLOAT_EQ(delegate.GetBrightnessForAnimation(),
0.5 * (start_brightness + middle_brightness));
animator->Step(start_time + base::TimeDelta::FromMilliseconds(1500));
EXPECT_FALSE(animator->is_animating());
EXPECT_FLOAT_EQ(delegate.GetBrightnessForAnimation(), start_brightness);
}
// Preempt by animating to new target, with a threaded animation.
TEST(LayerAnimatorTest, PreemptThreadedByImmediatelyAnimatingToNewTarget) {
double epsilon = 0.00001;
TestLayerAnimationDelegate delegate;
LayerAnimatorTestController test_controller(
CreateDefaultTestAnimator(&delegate));
LayerAnimator* animator = test_controller.animator();
double start_opacity(0.0);
double middle_opacity(0.5);
double target_opacity(1.0);
base::TimeDelta delta = base::TimeDelta::FromSeconds(1);
delegate.SetOpacityFromAnimation(start_opacity,
PropertyChangeReason::NOT_FROM_ANIMATION);