| // Copyright 2016 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 <memory> |
| |
| #include "base/observer_list.h" |
| #include "base/run_loop.h" |
| #include "chrome/browser/ui/views/payments/view_stack.h" |
| #include "chrome/test/views/chrome_views_test_base.h" |
| #include "ui/gfx/animation/test_animation_delegate.h" |
| |
| class TestStackView : public views::View { |
| public: |
| class Observer { |
| public: |
| Observer() : view_deleted_(false) {} |
| |
| void OnViewBeingDeleted() { |
| view_deleted_ = true; |
| } |
| |
| bool view_deleted() { return view_deleted_; } |
| |
| private: |
| bool view_deleted_; |
| }; |
| |
| TestStackView() {} |
| ~TestStackView() override { |
| for (auto& observer: observers_) { |
| observer.OnViewBeingDeleted(); |
| } |
| } |
| |
| void AddObserver(Observer* observer) { |
| observers_.AddObserver(observer); |
| } |
| |
| private: |
| base::ObserverList<Observer>::Unchecked observers_; |
| |
| DISALLOW_COPY_AND_ASSIGN(TestStackView); |
| }; |
| |
| class ViewStackTest : public ChromeViewsTestBase { |
| public: |
| ViewStackTest() : view_stack_(std::make_unique<ViewStack>()) { |
| view_stack_->SetBounds(0, 0, 10, 10); |
| view_stack_->Push(std::make_unique<TestStackView>(), false); |
| view_stack_->slide_in_animator_->SetAnimationDuration(1); |
| view_stack_->slide_out_animator_->SetAnimationDuration(1); |
| } |
| |
| void AssertViewOnTopOfStack(views::View* view) { |
| gfx::Rect target = view_stack_->bounds(); |
| target.set_origin(gfx::Point(0, 0)); |
| EXPECT_EQ(target, view->bounds()); |
| } |
| |
| void AssertViewCompletelyNextToStack(views::View* view) { |
| gfx::Rect target = view_stack_->bounds(); |
| target.set_origin(gfx::Point(view_stack_->width(), 0)); |
| EXPECT_EQ(target, view->bounds()); |
| } |
| |
| // Pushes a view on the stack, waits for its animation to be over, then |
| // returns a pointer to the pushed view. |
| views::View* PushViewOnStackAndWait() { |
| std::unique_ptr<TestStackView> view = std::make_unique<TestStackView>(); |
| views::View* view_ptr = view.get(); |
| |
| view_stack_->Push(std::move(view), true); |
| EXPECT_TRUE(view_stack_->slide_in_animator_->IsAnimating()); |
| view_stack_->slide_in_animator_->SetAnimationDelegate( |
| view_ptr, std::unique_ptr<gfx::AnimationDelegate>( |
| new gfx::TestAnimationDelegate())); |
| |
| base::RunLoop().Run(); |
| EXPECT_FALSE(view_stack_->slide_in_animator_->IsAnimating()); |
| return view_ptr; |
| } |
| |
| // Pops |n| views from the stack, then waits for |top_view_ptr|'s animation to |
| // be over. |
| void PopManyAndWait(int n, views::View* top_view_ptr) { |
| view_stack_->PopMany(n); |
| |
| EXPECT_TRUE(view_stack_->slide_out_animator_->IsAnimating()); |
| view_stack_->slide_out_animator_->SetAnimationDelegate( |
| top_view_ptr, std::unique_ptr<gfx::AnimationDelegate>( |
| new gfx::TestAnimationDelegate())); |
| |
| base::RunLoop().Run(); |
| EXPECT_FALSE(view_stack_->slide_out_animator_->IsAnimating()); |
| } |
| |
| std::unique_ptr<ViewStack> view_stack_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ViewStackTest); |
| }; |
| |
| TEST_F(ViewStackTest, TestInitialStateAddedAsChildView) { |
| EXPECT_EQ(1, view_stack_->child_count()); |
| // This child was added without any animation so it's on top of its parent |
| // already. |
| AssertViewOnTopOfStack(view_stack_->top()); |
| } |
| |
| TEST_F(ViewStackTest, TestPushStateAddsViewToChildren) { |
| view_stack_->Push(std::make_unique<TestStackView>(), true); |
| EXPECT_EQ(2, view_stack_->child_count()); |
| |
| AssertViewCompletelyNextToStack(view_stack_->top()); |
| } |
| |
| TEST_F(ViewStackTest, TestPopStateRemovesChildViewAndCleansUpState) { |
| TestStackView::Observer observer; |
| std::unique_ptr<TestStackView> view = std::make_unique<TestStackView>(); |
| view->AddObserver(&observer); |
| views::View* view_ptr = view.get(); |
| |
| view_stack_->Push(std::move(view), true); |
| EXPECT_TRUE(view_stack_->slide_in_animator_->IsAnimating()); |
| view_stack_->slide_in_animator_->SetAnimationDelegate( |
| view_ptr, |
| std::unique_ptr<gfx::AnimationDelegate>( |
| new gfx::TestAnimationDelegate())); |
| |
| AssertViewCompletelyNextToStack(view_ptr); |
| |
| base::RunLoop().Run(); |
| AssertViewOnTopOfStack(view_ptr); |
| EXPECT_FALSE(view_stack_->slide_in_animator_->IsAnimating()); |
| view_stack_->Pop(); |
| |
| EXPECT_TRUE(view_stack_->slide_out_animator_->IsAnimating()); |
| view_stack_->slide_out_animator_->SetAnimationDelegate( |
| view_ptr, |
| std::unique_ptr<gfx::AnimationDelegate>( |
| new gfx::TestAnimationDelegate())); |
| |
| base::RunLoop().Run(); |
| EXPECT_FALSE(view_stack_->slide_out_animator_->IsAnimating()); |
| |
| ASSERT_TRUE(observer.view_deleted()); |
| } |
| |
| TEST_F(ViewStackTest, TestDeletingViewCleansUpState) { |
| TestStackView::Observer observer; |
| std::unique_ptr<TestStackView> view = std::make_unique<TestStackView>(); |
| view->AddObserver(&observer); |
| views::View* view_ptr = view.get(); |
| |
| view_stack_->Push(std::move(view), true); |
| EXPECT_TRUE(view_stack_->slide_in_animator_->IsAnimating()); |
| view_stack_->slide_in_animator_->SetAnimationDelegate( |
| view_ptr, |
| std::unique_ptr<gfx::AnimationDelegate>( |
| new gfx::TestAnimationDelegate())); |
| |
| AssertViewCompletelyNextToStack(view_ptr); |
| |
| base::RunLoop().Run(); |
| AssertViewOnTopOfStack(view_ptr); |
| EXPECT_FALSE(view_stack_->slide_in_animator_->IsAnimating()); |
| view_stack_->Pop(); |
| |
| EXPECT_TRUE(view_stack_->slide_out_animator_->IsAnimating()); |
| view_stack_.reset(); |
| |
| ASSERT_TRUE(observer.view_deleted()); |
| } |
| |
| TEST_F(ViewStackTest, TestLayoutUpdatesAnimations) { |
| TestStackView::Observer observer; |
| std::unique_ptr<TestStackView> view = std::make_unique<TestStackView>(); |
| view->AddObserver(&observer); |
| views::View* view_ptr = view.get(); |
| |
| view_stack_->Push(std::move(view), true); |
| EXPECT_TRUE(view_stack_->slide_in_animator_->IsAnimating()); |
| view_stack_->slide_in_animator_->SetAnimationDelegate( |
| view_ptr, |
| std::unique_ptr<gfx::AnimationDelegate>( |
| new gfx::TestAnimationDelegate())); |
| |
| view_stack_->SetBounds(10, 10, 30, 30); |
| view_stack_->Layout(); |
| |
| base::RunLoop().Run(); |
| AssertViewOnTopOfStack(view_ptr); |
| EXPECT_FALSE(view_stack_->slide_in_animator_->IsAnimating()); |
| view_stack_->Pop(); |
| |
| EXPECT_TRUE(view_stack_->slide_out_animator_->IsAnimating()); |
| view_stack_->slide_out_animator_->SetAnimationDelegate( |
| view_ptr, |
| std::unique_ptr<gfx::AnimationDelegate>( |
| new gfx::TestAnimationDelegate())); |
| |
| base::RunLoop().Run(); |
| EXPECT_FALSE(view_stack_->slide_out_animator_->IsAnimating()); |
| |
| ASSERT_TRUE(observer.view_deleted()); |
| } |
| |
| TEST_F(ViewStackTest, TestPopMany) { |
| views::View* top = PushViewOnStackAndWait(); |
| EXPECT_EQ(2U, view_stack_->size()); |
| |
| PopManyAndWait(1, top); |
| EXPECT_EQ(1U, view_stack_->size()); |
| |
| top = PushViewOnStackAndWait(); |
| top = PushViewOnStackAndWait(); |
| top = PushViewOnStackAndWait(); |
| EXPECT_EQ(4U, view_stack_->size()); |
| |
| PopManyAndWait(3, top); |
| EXPECT_EQ(1U, view_stack_->size()); |
| |
| top = PushViewOnStackAndWait(); |
| top = PushViewOnStackAndWait(); |
| EXPECT_EQ(3U, view_stack_->size()); |
| } |