src/ui/views/animation/bounds_animator_unittest.cc

   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
  12 using gfx::Animation;
  13 using gfx::SlideAnimation;
  14 using gfx::TestAnimationDelegate;
  15
  16 namespace views {
  17 namespace {
  18
  19 class 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
  35 class OwnedDelegate : public BoundsAnimator::OwnedAnimationDelegate {
  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
  68 bool OwnedDelegate::deleted_ = false;
  69 bool OwnedDelegate::canceled_ = false;
  70
  71 class 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
  92 class 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.
 112 TEST_F(BoundsAnimatorTest, AnimateViewTo) {
 113   TestAnimationDelegate delegate;
 114   gfx::Rect initial_bounds(0, 0, 10, 10);
 115   child()->SetBoundsRect(initial_bounds);
 116   gfx::Rect target_bounds(10, 10, 20, 20);
 117   animator()->AnimateViewTo(child(), target_bounds);
 118   animator()->SetAnimationDelegate(child(), &delegate, false);
 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.
 137 TEST_F(BoundsAnimatorTest, DeleteDelegateOnCancel) {
 138   animator()->AnimateViewTo(child(), gfx::Rect(0, 0, 10, 10));
 139   animator()->SetAnimationDelegate(child(), new OwnedDelegate(), true);
 140
 141   animator()->Cancel();
 142
 143   // The animator should no longer be animating.
 144   EXPECT_FALSE(animator()->IsAnimating());
 145
 146   // The cancel should both cancel the delegate and delete it.
 147   EXPECT_TRUE(OwnedDelegate::GetAndClearCanceled());
 148   EXPECT_TRUE(OwnedDelegate::GetAndClearDeleted());
 149 }
 150
 151 // Make sure an AnimationDelegate is deleted when another animation is
 152 // scheduled.
 153 TEST_F(BoundsAnimatorTest, DeleteDelegateOnNewAnimate) {
 154   animator()->AnimateViewTo(child(), gfx::Rect(0, 0, 10, 10));
 155   animator()->SetAnimationDelegate(child(), new OwnedDelegate(), true);
 156
 157   animator()->AnimateViewTo(child(), gfx::Rect(0, 0, 10, 10));
 158
 159   // Starting a new animation should both cancel the delegate and delete it.
 160   EXPECT_TRUE(OwnedDelegate::GetAndClearDeleted());
 161   EXPECT_TRUE(OwnedDelegate::GetAndClearCanceled());
 162 }
 163
 164 // Makes sure StopAnimating works.
 165 TEST_F(BoundsAnimatorTest, StopAnimating) {
 166   scoped_ptr<OwnedDelegate> delegate(new OwnedDelegate());
 167
 168   animator()->AnimateViewTo(child(), gfx::Rect(0, 0, 10, 10));
 169   animator()->SetAnimationDelegate(child(), new OwnedDelegate(), true);
 170
 171   animator()->StopAnimatingView(child());
 172
 173   // Shouldn't be animating now.
 174   EXPECT_FALSE(animator()->IsAnimating());
 175
 176   // Stopping should both cancel the delegate and delete it.
 177   EXPECT_TRUE(OwnedDelegate::GetAndClearDeleted());
 178   EXPECT_TRUE(OwnedDelegate::GetAndClearCanceled());
 179 }
 180
 181 }  // namespace views