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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/wm/core/window_animations.h"
#include <algorithm>
#include <memory>
#include "base/containers/contains.h"
#include "base/time/time.h"
#include "ui/aura/test/aura_test_base.h"
#include "ui/aura/test/test_windows.h"
#include "ui/aura/window.h"
#include "ui/compositor/layer.h"
#include "ui/compositor/layer_animator.h"
#include "ui/compositor/scoped_animation_duration_scale_mode.h"
#include "ui/gfx/animation/animation_container_element.h"
#include "ui/gfx/geometry/vector2d.h"
#include "ui/wm/core/transient_window_manager.h"
#include "ui/wm/core/transient_window_stacking_client.h"
#include "ui/wm/core/window_util.h"
#include "ui/wm/public/animation_host.h"
using aura::Window;
using ui::Layer;
namespace wm {
namespace {
template<typename T>int GetZPosition(const T* child) {
const T* parent = child->parent();
const std::vector<raw_ptr<T, VectorExperimental>> children =
parent->children();
auto iter = std::ranges::find(children, child);
CHECK(iter != children.end());
return iter - children.begin();
}
int GetWindowZPosition(const aura::Window* child) {
return GetZPosition<aura::Window>(child);
}
int GetLayerZPosition(const ui::Layer* child) {
return GetZPosition<ui::Layer>(child);
}
} // namespace
class WindowAnimationsTest : public aura::test::AuraTestBase {
public:
WindowAnimationsTest() {}
WindowAnimationsTest(const WindowAnimationsTest&) = delete;
WindowAnimationsTest& operator=(const WindowAnimationsTest&) = delete;
};
TEST_F(WindowAnimationsTest, LayerTargetVisibility) {
std::unique_ptr<aura::Window> window(
aura::test::CreateTestWindowWithId(0, NULL));
// Layer target visibility changes according to Show/Hide.
window->Show();
EXPECT_TRUE(window->layer()->GetTargetVisibility());
window->Hide();
EXPECT_FALSE(window->layer()->GetTargetVisibility());
window->Show();
EXPECT_TRUE(window->layer()->GetTargetVisibility());
}
TEST_F(WindowAnimationsTest, LayerTargetVisibility_AnimateShow) {
// Tests if opacity and transform are reset when only show animation is
// enabled. See also LayerTargetVisibility_AnimateHide.
// Since the window is not visible after Hide() is called, opacity and
// transform shouldn't matter in case of ANIMATE_SHOW, but we reset them
// to keep consistency.
std::unique_ptr<aura::Window> window(
aura::test::CreateTestWindowWithId(0, NULL));
SetWindowVisibilityAnimationTransition(window.get(), ANIMATE_SHOW);
// Layer target visibility and opacity change according to Show/Hide.
window->Show();
AnimateOnChildWindowVisibilityChanged(window.get(), true);
EXPECT_TRUE(window->layer()->GetTargetVisibility());
EXPECT_EQ(1, window->layer()->opacity());
window->Hide();
AnimateOnChildWindowVisibilityChanged(window.get(), false);
EXPECT_FALSE(window->layer()->GetTargetVisibility());
EXPECT_EQ(0, window->layer()->opacity());
EXPECT_EQ(gfx::Transform(), window->layer()->transform());
window->Show();
AnimateOnChildWindowVisibilityChanged(window.get(), true);
EXPECT_TRUE(window->layer()->GetTargetVisibility());
EXPECT_EQ(1, window->layer()->opacity());
}
TEST_F(WindowAnimationsTest, LayerTargetVisibility_AnimateHide) {
// Tests if opacity and transform are reset when only hide animation is
// enabled. Hide animation changes opacity and transform in addition to
// visibility, so we need to reset not only visibility but also opacity
// and transform to show the window.
std::unique_ptr<aura::Window> window(
aura::test::CreateTestWindowWithId(0, NULL));
SetWindowVisibilityAnimationTransition(window.get(), ANIMATE_HIDE);
// Layer target visibility and opacity change according to Show/Hide.
window->Show();
AnimateOnChildWindowVisibilityChanged(window.get(), true);
EXPECT_TRUE(window->layer()->GetTargetVisibility());
EXPECT_EQ(1, window->layer()->opacity());
EXPECT_EQ(gfx::Transform(), window->layer()->transform());
window->Hide();
AnimateOnChildWindowVisibilityChanged(window.get(), false);
EXPECT_FALSE(window->layer()->GetTargetVisibility());
EXPECT_EQ(0, window->layer()->opacity());
window->Show();
AnimateOnChildWindowVisibilityChanged(window.get(), true);
EXPECT_TRUE(window->layer()->GetTargetVisibility());
EXPECT_EQ(1, window->layer()->opacity());
EXPECT_EQ(gfx::Transform(), window->layer()->transform());
}
TEST_F(WindowAnimationsTest, HideAnimationDetachLayers) {
std::unique_ptr<aura::Window> parent(
aura::test::CreateTestWindowWithId(0, NULL));
std::unique_ptr<aura::Window> other(
aura::test::CreateTestWindowWithId(1, parent.get()));
std::unique_ptr<aura::Window> animating_window(
aura::test::CreateTestWindowWithId(2, parent.get()));
SetWindowVisibilityAnimationTransition(animating_window.get(), ANIMATE_HIDE);
EXPECT_EQ(0, GetWindowZPosition(other.get()));
EXPECT_EQ(1, GetWindowZPosition(animating_window.get()));
EXPECT_EQ(0, GetLayerZPosition(other->layer()));
EXPECT_EQ(1, GetLayerZPosition(animating_window->layer()));
{
ui::ScopedAnimationDurationScaleMode scale_mode(
ui::ScopedAnimationDurationScaleMode::FAST_DURATION);
ui::Layer* animating_layer = animating_window->layer();
animating_window->Hide();
EXPECT_TRUE(AnimateOnChildWindowVisibilityChanged(
animating_window.get(), false));
EXPECT_TRUE(animating_layer->GetAnimator()->is_animating());
EXPECT_FALSE(animating_layer->delegate());
// Make sure the Hide animation create another layer, and both are in
// the parent layer.
EXPECT_NE(animating_window->layer(), animating_layer);
EXPECT_TRUE(base::Contains(parent->layer()->children(), animating_layer));
EXPECT_TRUE(
base::Contains(parent->layer()->children(), animating_window->layer()));
// Current layer must be already hidden.
EXPECT_FALSE(animating_window->layer()->visible());
EXPECT_EQ(1, GetWindowZPosition(animating_window.get()));
EXPECT_EQ(1, GetLayerZPosition(animating_window->layer()));
EXPECT_EQ(2, GetLayerZPosition(animating_layer));
parent->StackChildAtTop(other.get());
EXPECT_EQ(0, GetWindowZPosition(animating_window.get()));
EXPECT_EQ(1, GetWindowZPosition(other.get()));
EXPECT_EQ(0, GetLayerZPosition(animating_window->layer()));
EXPECT_EQ(1, GetLayerZPosition(other->layer()));
// Make sure the animating layer is on top.
EXPECT_EQ(2, GetLayerZPosition(animating_layer));
// Animating layer must be gone
animating_layer->GetAnimator()->StopAnimating();
EXPECT_FALSE(base::Contains(parent->layer()->children(), animating_layer));
}
}
TEST_F(WindowAnimationsTest, HideAnimationDetachLayersWithTransientChildren) {
TransientWindowStackingClient transient_stacking_client;
std::unique_ptr<aura::Window> parent(
aura::test::CreateTestWindowWithId(0, NULL));
std::unique_ptr<aura::Window> other(
aura::test::CreateTestWindowWithId(1, parent.get()));
std::unique_ptr<aura::Window> animating_window(
aura::test::CreateTestWindowWithId(2, parent.get()));
SetWindowVisibilityAnimationTransition(animating_window.get(), ANIMATE_HIDE);
std::unique_ptr<aura::Window> transient1(
aura::test::CreateTestWindowWithId(3, parent.get()));
std::unique_ptr<aura::Window> transient2(
aura::test::CreateTestWindowWithId(4, parent.get()));
TransientWindowManager::GetOrCreate(animating_window.get());
AddTransientChild(animating_window.get(), transient1.get());
AddTransientChild(animating_window.get(), transient2.get());
EXPECT_EQ(0, GetWindowZPosition(other.get()));
EXPECT_EQ(1, GetWindowZPosition(animating_window.get()));
EXPECT_EQ(2, GetWindowZPosition(transient1.get()));
EXPECT_EQ(3, GetWindowZPosition(transient2.get()));
{
ui::ScopedAnimationDurationScaleMode scale_mode(
ui::ScopedAnimationDurationScaleMode::FAST_DURATION);
ui::Layer* animating_layer = animating_window->layer();
animating_window->Hide();
EXPECT_TRUE(AnimateOnChildWindowVisibilityChanged(
animating_window.get(), false));
EXPECT_TRUE(animating_layer->GetAnimator()->is_animating());
EXPECT_FALSE(animating_layer->delegate());
EXPECT_EQ(1, GetWindowZPosition(animating_window.get()));
EXPECT_EQ(2, GetWindowZPosition(transient1.get()));
EXPECT_EQ(3, GetWindowZPosition(transient2.get()));
EXPECT_EQ(1, GetLayerZPosition(animating_window->layer()));
EXPECT_EQ(2, GetLayerZPosition(transient1->layer()));
EXPECT_EQ(3, GetLayerZPosition(transient2->layer()));
EXPECT_EQ(4, GetLayerZPosition(animating_layer));
parent->StackChildAtTop(other.get());
EXPECT_EQ(0, GetWindowZPosition(animating_window.get()));
EXPECT_EQ(1, GetWindowZPosition(transient1.get()));
EXPECT_EQ(2, GetWindowZPosition(transient2.get()));
EXPECT_EQ(3, GetWindowZPosition(other.get()));
EXPECT_EQ(0, GetLayerZPosition(animating_window->layer()));
EXPECT_EQ(1, GetLayerZPosition(transient1->layer()));
EXPECT_EQ(2, GetLayerZPosition(transient2->layer()));
EXPECT_EQ(3, GetLayerZPosition(other->layer()));
// Make sure the animating layer is on top of all windows.
EXPECT_EQ(4, GetLayerZPosition(animating_layer));
}
}
// A simple AnimationHost implementation for the NotifyHideCompleted test.
class NotifyHideCompletedAnimationHost : public AnimationHost {
public:
NotifyHideCompletedAnimationHost() : hide_completed_(false) {}
NotifyHideCompletedAnimationHost(const NotifyHideCompletedAnimationHost&) =
delete;
NotifyHideCompletedAnimationHost& operator=(
const NotifyHideCompletedAnimationHost&) = delete;
~NotifyHideCompletedAnimationHost() override {}
// Overridden from AnimationHost:
void OnWindowHidingAnimationCompleted() override { hide_completed_ = true; }
void SetHostTransitionOffsets(const gfx::Vector2d& top_left,
const gfx::Vector2d& bottom_right) override {}
bool hide_completed() const { return hide_completed_; }
private:
bool hide_completed_;
};
TEST_F(WindowAnimationsTest, NotifyHideCompleted) {
NotifyHideCompletedAnimationHost animation_host;
std::unique_ptr<aura::Window> window(
aura::test::CreateTestWindowWithId(0, NULL));
SetAnimationHost(window.get(), &animation_host);
wm::SetWindowVisibilityAnimationType(
window.get(), WINDOW_VISIBILITY_ANIMATION_TYPE_FADE);
AnimateOnChildWindowVisibilityChanged(window.get(), true);
EXPECT_TRUE(window->layer()->visible());
EXPECT_FALSE(animation_host.hide_completed());
AnimateOnChildWindowVisibilityChanged(window.get(), false);
EXPECT_TRUE(animation_host.hide_completed());
}
// The rotation animation for hiding a window should not leak the animation
// observer.
TEST_F(WindowAnimationsTest, RotateHideNoLeak) {
ui::ScopedAnimationDurationScaleMode scale_mode(
ui::ScopedAnimationDurationScaleMode::FAST_DURATION);
std::unique_ptr<aura::Window> window(
aura::test::CreateTestWindowWithId(0, nullptr));
ui::Layer* animating_layer = window->layer();
wm::SetWindowVisibilityAnimationType(window.get(),
WINDOW_VISIBILITY_ANIMATION_TYPE_ROTATE);
AnimateOnChildWindowVisibilityChanged(window.get(), true);
AnimateOnChildWindowVisibilityChanged(window.get(), false);
animating_layer->GetAnimator()->StopAnimating();
}
// The rotation animation for hiding a window should not crash with a zero
// duration.
TEST_F(WindowAnimationsTest, RotateHideNoCrashZeroDuration) {
std::unique_ptr<aura::Window> window(
aura::test::CreateTestWindowWithId(0, nullptr));
wm::SetWindowVisibilityAnimationType(window.get(),
WINDOW_VISIBILITY_ANIMATION_TYPE_ROTATE);
AnimateOnChildWindowVisibilityChanged(window.get(), true);
AnimateOnChildWindowVisibilityChanged(window.get(), false);
}
TEST_F(WindowAnimationsTest, RotateHideCreatesNewLayer) {
ui::ScopedAnimationDurationScaleMode scale_mode(
ui::ScopedAnimationDurationScaleMode::FAST_DURATION);
std::unique_ptr<aura::Window> window(
aura::test::CreateTestWindowWithId(0, nullptr));
wm::SetWindowVisibilityAnimationType(window.get(),
WINDOW_VISIBILITY_ANIMATION_TYPE_ROTATE);
AnimateOnChildWindowVisibilityChanged(window.get(), true);
window->layer()->GetAnimator()->StopAnimating();
auto* original_layer = window->layer();
AnimateOnChildWindowVisibilityChanged(window.get(), false);
// The layer should have changed, as the Layer is cloned and detached.
EXPECT_NE(original_layer, window->layer());
// Need to stop the animation, otherwise there is a leak.
original_layer->GetAnimator()->StopAnimating();
}
// The rotation animation for hiding a window should not crash when terminated
// by LayerAnimator::StopAnimating().
TEST_F(WindowAnimationsTest, RotateHideNoCrash) {
ui::ScopedAnimationDurationScaleMode scale_mode(
ui::ScopedAnimationDurationScaleMode::FAST_DURATION);
std::unique_ptr<aura::Window> window(
aura::test::CreateTestWindowWithId(0, NULL));
ui::Layer* animating_layer = window->layer();
wm::SetWindowVisibilityAnimationType(window.get(),
WINDOW_VISIBILITY_ANIMATION_TYPE_ROTATE);
AnimateOnChildWindowVisibilityChanged(window.get(), true);
window->layer()->GetAnimator()->Step(base::TimeTicks::Now() +
base::Seconds(5));
AnimateOnChildWindowVisibilityChanged(window.get(), false);
animating_layer->GetAnimator()->StopAnimating();
}
} // namespace wm
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