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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "base/observer_list.h" |
| 6 #include "base/run_loop.h" |
| 7 #include "chrome/browser/ui/views/payments/view_stack.h" |
| 8 #include "ui/gfx/animation/test_animation_delegate.h" |
| 9 #include "ui/views/test/views_test_base.h" |
| 10 |
| 11 class TestStackView : public views::View { |
| 12 public: |
| 13 class Observer { |
| 14 public: |
| 15 Observer() : view_deleted_(false) {} |
| 16 |
| 17 void OnViewBeingDeleted() { |
| 18 view_deleted_ = true; |
| 19 } |
| 20 |
| 21 bool view_deleted() { return view_deleted_; } |
| 22 |
| 23 private: |
| 24 bool view_deleted_; |
| 25 }; |
| 26 |
| 27 TestStackView() {} |
| 28 ~TestStackView() override { |
| 29 for (auto& observer: observers_) { |
| 30 observer.OnViewBeingDeleted(); |
| 31 } |
| 32 } |
| 33 |
| 34 void AddObserver(Observer* observer) { |
| 35 observers_.AddObserver(observer); |
| 36 } |
| 37 |
| 38 private: |
| 39 base::ObserverList<Observer> observers_; |
| 40 |
| 41 DISALLOW_COPY_AND_ASSIGN(TestStackView); |
| 42 }; |
| 43 |
| 44 class ViewStackTest : public views::ViewsTestBase { |
| 45 public: |
| 46 ViewStackTest() |
| 47 : view_stack_(base::MakeUnique<ViewStack>()) { |
| 48 view_stack_->SetBounds(0, 0, 10, 10); |
| 49 view_stack_->Push(base::MakeUnique<TestStackView>(), false); |
| 50 view_stack_->slide_in_animator_->SetAnimationDuration(1); |
| 51 view_stack_->slide_out_animator_->SetAnimationDuration(1); |
| 52 } |
| 53 |
| 54 void AssertViewOnTopOfStack(views::View* view) { |
| 55 gfx::Rect target = view_stack_->bounds(); |
| 56 target.set_origin(gfx::Point(0, 0)); |
| 57 EXPECT_EQ(target, view->bounds()); |
| 58 } |
| 59 |
| 60 void AssertViewCompletelyNextToStack(views::View* view) { |
| 61 gfx::Rect target = view_stack_->bounds(); |
| 62 target.set_origin(gfx::Point(view_stack_->width(), 0)); |
| 63 EXPECT_EQ(target, view->bounds()); |
| 64 } |
| 65 |
| 66 std::unique_ptr<ViewStack> view_stack_; |
| 67 |
| 68 DISALLOW_COPY_AND_ASSIGN(ViewStackTest); |
| 69 }; |
| 70 |
| 71 TEST_F(ViewStackTest, TestInitialStateAddedAsChildView) { |
| 72 EXPECT_EQ(1, view_stack_->child_count()); |
| 73 // This child was added without any animation so it's on top of its parent |
| 74 // already. |
| 75 AssertViewOnTopOfStack(view_stack_->top()); |
| 76 } |
| 77 |
| 78 TEST_F(ViewStackTest, TestPushStateAddsViewToChildren) { |
| 79 view_stack_->Push(base::MakeUnique<TestStackView>(), true); |
| 80 EXPECT_EQ(2, view_stack_->child_count()); |
| 81 |
| 82 AssertViewCompletelyNextToStack(view_stack_->top()); |
| 83 } |
| 84 |
| 85 TEST_F(ViewStackTest, TestPopStateRemovesChildViewAndCleansUpState) { |
| 86 TestStackView::Observer observer; |
| 87 std::unique_ptr<TestStackView> view = base::MakeUnique<TestStackView>(); |
| 88 view->AddObserver(&observer); |
| 89 views::View* view_ptr = view.get(); |
| 90 |
| 91 view_stack_->Push(std::move(view), true); |
| 92 EXPECT_TRUE(view_stack_->slide_in_animator_->IsAnimating()); |
| 93 view_stack_->slide_in_animator_->SetAnimationDelegate( |
| 94 view_ptr, |
| 95 std::unique_ptr<gfx::AnimationDelegate>( |
| 96 new gfx::TestAnimationDelegate())); |
| 97 |
| 98 AssertViewCompletelyNextToStack(view_ptr); |
| 99 |
| 100 base::RunLoop().Run(); |
| 101 AssertViewOnTopOfStack(view_ptr); |
| 102 EXPECT_FALSE(view_stack_->slide_in_animator_->IsAnimating()); |
| 103 view_stack_->Pop(); |
| 104 |
| 105 EXPECT_TRUE(view_stack_->slide_out_animator_->IsAnimating()); |
| 106 view_stack_->slide_out_animator_->SetAnimationDelegate( |
| 107 view_ptr, |
| 108 std::unique_ptr<gfx::AnimationDelegate>( |
| 109 new gfx::TestAnimationDelegate())); |
| 110 |
| 111 base::RunLoop().Run(); |
| 112 EXPECT_FALSE(view_stack_->slide_out_animator_->IsAnimating()); |
| 113 |
| 114 ASSERT_TRUE(observer.view_deleted()); |
| 115 } |
| 116 |
| 117 TEST_F(ViewStackTest, TestDeletingViewCleansUpState) { |
| 118 TestStackView::Observer observer; |
| 119 std::unique_ptr<TestStackView> view = base::MakeUnique<TestStackView>(); |
| 120 view->AddObserver(&observer); |
| 121 views::View* view_ptr = view.get(); |
| 122 |
| 123 view_stack_->Push(std::move(view), true); |
| 124 EXPECT_TRUE(view_stack_->slide_in_animator_->IsAnimating()); |
| 125 view_stack_->slide_in_animator_->SetAnimationDelegate( |
| 126 view_ptr, |
| 127 std::unique_ptr<gfx::AnimationDelegate>( |
| 128 new gfx::TestAnimationDelegate())); |
| 129 |
| 130 AssertViewCompletelyNextToStack(view_ptr); |
| 131 |
| 132 base::RunLoop().Run(); |
| 133 AssertViewOnTopOfStack(view_ptr); |
| 134 EXPECT_FALSE(view_stack_->slide_in_animator_->IsAnimating()); |
| 135 view_stack_->Pop(); |
| 136 |
| 137 EXPECT_TRUE(view_stack_->slide_out_animator_->IsAnimating()); |
| 138 view_stack_.reset(); |
| 139 |
| 140 ASSERT_TRUE(observer.view_deleted()); |
| 141 } |
| 142 |
| 143 TEST_F(ViewStackTest, TestLayoutUpdatesAnimations) { |
| 144 TestStackView::Observer observer; |
| 145 std::unique_ptr<TestStackView> view = base::MakeUnique<TestStackView>(); |
| 146 view->AddObserver(&observer); |
| 147 views::View* view_ptr = view.get(); |
| 148 |
| 149 view_stack_->Push(std::move(view), true); |
| 150 EXPECT_TRUE(view_stack_->slide_in_animator_->IsAnimating()); |
| 151 view_stack_->slide_in_animator_->SetAnimationDelegate( |
| 152 view_ptr, |
| 153 std::unique_ptr<gfx::AnimationDelegate>( |
| 154 new gfx::TestAnimationDelegate())); |
| 155 |
| 156 view_stack_->SetBounds(10, 10, 30, 30); |
| 157 view_stack_->Layout(); |
| 158 |
| 159 base::RunLoop().Run(); |
| 160 AssertViewOnTopOfStack(view_ptr); |
| 161 EXPECT_FALSE(view_stack_->slide_in_animator_->IsAnimating()); |
| 162 view_stack_->Pop(); |
| 163 |
| 164 EXPECT_TRUE(view_stack_->slide_out_animator_->IsAnimating()); |
| 165 view_stack_->slide_out_animator_->SetAnimationDelegate( |
| 166 view_ptr, |
| 167 std::unique_ptr<gfx::AnimationDelegate>( |
| 168 new gfx::TestAnimationDelegate())); |
| 169 |
| 170 base::RunLoop().Run(); |
| 171 EXPECT_FALSE(view_stack_->slide_out_animator_->IsAnimating()); |
| 172 |
| 173 ASSERT_TRUE(observer.view_deleted()); |
| 174 } |
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