1// Copyright (c) 2012 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 "ui/views/animation/bounds_animator.h"
6
7#include "testing/gtest/include/gtest/gtest.h"
8#include "ui/gfx/animation/slide_animation.h"
9#include "ui/gfx/animation/test_animation_delegate.h"
10#include "ui/views/view.h"
11
12using gfx::Animation;
13using gfx::SlideAnimation;
14using gfx::TestAnimationDelegate;
15
16namespace views {
17namespace {
18
19class TestBoundsAnimator : public BoundsAnimator {
20 public:
21  explicit TestBoundsAnimator(View* view) : BoundsAnimator(view) {
22  }
23
24 protected:
25  virtual SlideAnimation* CreateAnimation() OVERRIDE {
26    SlideAnimation* animation = BoundsAnimator::CreateAnimation();
27    animation->SetSlideDuration(10);
28    return animation;
29  }
30
31 private:
32  DISALLOW_COPY_AND_ASSIGN(TestBoundsAnimator);
33};
34
35class OwnedDelegate : public gfx::AnimationDelegate {
36 public:
37  OwnedDelegate() {}
38
39  virtual ~OwnedDelegate() {
40    deleted_ = true;
41  }
42
43  static bool GetAndClearDeleted() {
44    bool value = deleted_;
45    deleted_ = false;
46    return value;
47  }
48
49  static bool GetAndClearCanceled() {
50    bool value = canceled_;
51    canceled_ = false;
52    return value;
53  }
54
55  // Overridden from gfx::AnimationDelegate:
56  virtual void AnimationCanceled(const Animation* animation) OVERRIDE {
57    canceled_ = true;
58  }
59
60 private:
61  static bool deleted_;
62  static bool canceled_;
63
64  DISALLOW_COPY_AND_ASSIGN(OwnedDelegate);
65};
66
67// static
68bool OwnedDelegate::deleted_ = false;
69bool OwnedDelegate::canceled_ = false;
70
71class TestView : public View {
72 public:
73  TestView() {}
74
75  virtual void SchedulePaintInRect(const gfx::Rect& r) OVERRIDE {
76    if (dirty_rect_.IsEmpty())
77      dirty_rect_ = r;
78    else
79      dirty_rect_.Union(r);
80  }
81
82  const gfx::Rect& dirty_rect() const { return dirty_rect_; }
83
84 private:
85  gfx::Rect dirty_rect_;
86
87  DISALLOW_COPY_AND_ASSIGN(TestView);
88};
89
90}  // namespace
91
92class BoundsAnimatorTest : public testing::Test {
93 public:
94  BoundsAnimatorTest() : child_(new TestView()), animator_(&parent_) {
95    parent_.AddChildView(child_);
96  }
97
98  TestView* parent() { return &parent_; }
99  TestView* child() { return child_; }
100  TestBoundsAnimator* animator() { return &animator_; }
101
102 private:
103  base::MessageLoopForUI message_loop_;
104  TestView parent_;
105  TestView* child_;  // Owned by |parent_|.
106  TestBoundsAnimator animator_;
107
108  DISALLOW_COPY_AND_ASSIGN(BoundsAnimatorTest);
109};
110
111// Checks animate view to.
112TEST_F(BoundsAnimatorTest, AnimateViewTo) {
113  gfx::Rect initial_bounds(0, 0, 10, 10);
114  child()->SetBoundsRect(initial_bounds);
115  gfx::Rect target_bounds(10, 10, 20, 20);
116  animator()->AnimateViewTo(child(), target_bounds);
117  animator()->SetAnimationDelegate(
118      child(), scoped_ptr<gfx::AnimationDelegate>(new TestAnimationDelegate()));
119
120  // The animator should be animating now.
121  EXPECT_TRUE(animator()->IsAnimating());
122
123  // Run the message loop; the delegate exits the loop when the animation is
124  // done.
125  base::MessageLoop::current()->Run();
126
127  // Make sure the bounds match of the view that was animated match.
128  EXPECT_EQ(target_bounds, child()->bounds());
129
130  // The parent should have been told to repaint as the animation progressed.
131  // The resulting rect is the union of the original and target bounds.
132  EXPECT_EQ(gfx::UnionRects(target_bounds, initial_bounds),
133            parent()->dirty_rect());
134}
135
136// Make sure an AnimationDelegate is deleted when canceled.
137TEST_F(BoundsAnimatorTest, DeleteDelegateOnCancel) {
138  animator()->AnimateViewTo(child(), gfx::Rect(0, 0, 10, 10));
139  animator()->SetAnimationDelegate(
140      child(), scoped_ptr<gfx::AnimationDelegate>(new OwnedDelegate()));
141
142  animator()->Cancel();
143
144  // The animator should no longer be animating.
145  EXPECT_FALSE(animator()->IsAnimating());
146
147  // The cancel should both cancel the delegate and delete it.
148  EXPECT_TRUE(OwnedDelegate::GetAndClearCanceled());
149  EXPECT_TRUE(OwnedDelegate::GetAndClearDeleted());
150}
151
152// Make sure an AnimationDelegate is deleted when another animation is
153// scheduled.
154TEST_F(BoundsAnimatorTest, DeleteDelegateOnNewAnimate) {
155  animator()->AnimateViewTo(child(), gfx::Rect(0, 0, 10, 10));
156  animator()->SetAnimationDelegate(
157      child(), scoped_ptr<gfx::AnimationDelegate>(new OwnedDelegate()));
158
159  animator()->AnimateViewTo(child(), gfx::Rect(0, 0, 10, 10));
160
161  // Starting a new animation should both cancel the delegate and delete it.
162  EXPECT_TRUE(OwnedDelegate::GetAndClearDeleted());
163  EXPECT_TRUE(OwnedDelegate::GetAndClearCanceled());
164}
165
166// Makes sure StopAnimating works.
167TEST_F(BoundsAnimatorTest, StopAnimating) {
168  scoped_ptr<OwnedDelegate> delegate(new OwnedDelegate());
169
170  animator()->AnimateViewTo(child(), gfx::Rect(0, 0, 10, 10));
171  animator()->SetAnimationDelegate(
172      child(), scoped_ptr<gfx::AnimationDelegate>(new OwnedDelegate()));
173
174  animator()->StopAnimatingView(child());
175
176  // Shouldn't be animating now.
177  EXPECT_FALSE(animator()->IsAnimating());
178
179  // Stopping should both cancel the delegate and delete it.
180  EXPECT_TRUE(OwnedDelegate::GetAndClearDeleted());
181  EXPECT_TRUE(OwnedDelegate::GetAndClearCanceled());
182}
183
184}  // namespace views
185