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   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 gfx::AnimationDelegate {
  36  public:
  37   OwnedDelegate() {}
  38
  39   ~OwnedDelegate() override { deleted_ = true; }
  40
  41   static bool GetAndClearDeleted() {
  42     bool value = deleted_;
  43     deleted_ = false;
  44     return value;
  45   }
  46
  47   static bool GetAndClearCanceled() {
  48     bool value = canceled_;
  49     canceled_ = false;
  50     return value;
  51   }
  52
  53   // Overridden from gfx::AnimationDelegate:
  54   void AnimationCanceled(const Animation* animation) override {
  55     canceled_ = true;
  56   }
  57
  58  private:
  59   static bool deleted_;
  60   static bool canceled_;
  61
  62   DISALLOW_COPY_AND_ASSIGN(OwnedDelegate);
  63 };
  64
  65 // static
  66 bool OwnedDelegate::deleted_ = false;
  67 bool OwnedDelegate::canceled_ = false;
  68
  69 class TestView : public View {
  70  public:
  71   TestView() {}
  72
  73   void SchedulePaintInRect(const gfx::Rect& r) override {
  74     if (dirty_rect_.IsEmpty())
  75       dirty_rect_ = r;
  76     else
  77       dirty_rect_.Union(r);
  78   }
  79
  80   const gfx::Rect& dirty_rect() const { return dirty_rect_; }
  81
  82  private:
  83   gfx::Rect dirty_rect_;
  84
  85   DISALLOW_COPY_AND_ASSIGN(TestView);
  86 };
  87
  88 }  // namespace
  89
  90 class BoundsAnimatorTest : public testing::Test {
  91  public:
  92   BoundsAnimatorTest() : child_(new TestView()), animator_(&parent_) {
  93     parent_.AddChildView(child_);
  94   }
  95
  96   TestView* parent() { return &parent_; }
  97   TestView* child() { return child_; }
  98   TestBoundsAnimator* animator() { return &animator_; }
  99
 100  private:
 101   base::MessageLoopForUI message_loop_;
 102   TestView parent_;
 103   TestView* child_;  // Owned by |parent_|.
 104   TestBoundsAnimator animator_;
 105
 106   DISALLOW_COPY_AND_ASSIGN(BoundsAnimatorTest);
 107 };
 108
 109 // Checks animate view to.
 110 TEST_F(BoundsAnimatorTest, AnimateViewTo) {
 111   gfx::Rect initial_bounds(0, 0, 10, 10);
 112   child()->SetBoundsRect(initial_bounds);
 113   gfx::Rect target_bounds(10, 10, 20, 20);
 114   animator()->AnimateViewTo(child(), target_bounds);
 115   animator()->SetAnimationDelegate(
 116       child(), scoped_ptr<gfx::AnimationDelegate>(new TestAnimationDelegate()));
 117
 118   // The animator should be animating now.
 119   EXPECT_TRUE(animator()->IsAnimating());
 120
 121   // Run the message loop; the delegate exits the loop when the animation is
 122   // done.
 123   base::MessageLoop::current()->Run();
 124
 125   // Make sure the bounds match of the view that was animated match.
 126   EXPECT_EQ(target_bounds, child()->bounds());
 127
 128   // The parent should have been told to repaint as the animation progressed.
 129   // The resulting rect is the union of the original and target bounds.
 130   EXPECT_EQ(gfx::UnionRects(target_bounds, initial_bounds),
 131             parent()->dirty_rect());
 132 }
 133
 134 // Make sure an AnimationDelegate is deleted when canceled.
 135 TEST_F(BoundsAnimatorTest, DeleteDelegateOnCancel) {
 136   animator()->AnimateViewTo(child(), gfx::Rect(0, 0, 10, 10));
 137   animator()->SetAnimationDelegate(
 138       child(), scoped_ptr<gfx::AnimationDelegate>(new OwnedDelegate()));
 139
 140   animator()->Cancel();
 141
 142   // The animator should no longer be animating.
 143   EXPECT_FALSE(animator()->IsAnimating());
 144
 145   // The cancel should both cancel the delegate and delete it.
 146   EXPECT_TRUE(OwnedDelegate::GetAndClearCanceled());
 147   EXPECT_TRUE(OwnedDelegate::GetAndClearDeleted());
 148 }
 149
 150 // Make sure an AnimationDelegate is deleted when another animation is
 151 // scheduled.
 152 TEST_F(BoundsAnimatorTest, DeleteDelegateOnNewAnimate) {
 153   animator()->AnimateViewTo(child(), gfx::Rect(0, 0, 10, 10));
 154   animator()->SetAnimationDelegate(
 155       child(), scoped_ptr<gfx::AnimationDelegate>(new OwnedDelegate()));
 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(
 170       child(), scoped_ptr<gfx::AnimationDelegate>(new OwnedDelegate()));
 171
 172   animator()->StopAnimatingView(child());
 173
 174   // Shouldn't be animating now.
 175   EXPECT_FALSE(animator()->IsAnimating());
 176
 177   // Stopping should both cancel the delegate and delete it.
 178   EXPECT_TRUE(OwnedDelegate::GetAndClearDeleted());
 179   EXPECT_TRUE(OwnedDelegate::GetAndClearCanceled());
 180 }
 181
 182 }  // namespace views