src/cc/animation/scrollbar_animation_controller_linear_fade_unittest.cc

   1 // Copyright 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 "cc/animation/scrollbar_animation_controller_linear_fade.h"
   6
   7 #include "cc/layers/painted_scrollbar_layer_impl.h"
   8 #include "cc/test/fake_impl_proxy.h"
   9 #include "cc/test/fake_layer_tree_host_impl.h"
  10 #include "testing/gtest/include/gtest/gtest.h"
  11
  12 namespace cc {
  13 namespace {
  14
  15 class ScrollbarAnimationControllerLinearFadeTest : public testing::Test {
  16  public:
  17   ScrollbarAnimationControllerLinearFadeTest() : host_impl_(&proxy_) {}
  18
  19  protected:
  20   virtual void SetUp() {
  21     scroll_layer_ = LayerImpl::Create(host_impl_.active_tree(), 1);
  22     scrollbar_layer_ = PaintedScrollbarLayerImpl::Create(
  23         host_impl_.active_tree(), 2, HORIZONTAL);
  24
  25     scroll_layer_->SetMaxScrollOffset(gfx::Vector2d(50, 50));
  26     scroll_layer_->SetBounds(gfx::Size(50, 50));
  27     scroll_layer_->SetHorizontalScrollbarLayer(scrollbar_layer_.get());
  28
  29     scrollbar_controller_ = ScrollbarAnimationControllerLinearFade::Create(
  30         scroll_layer_.get(),
  31         base::TimeDelta::FromSeconds(2),
  32         base::TimeDelta::FromSeconds(3));
  33   }
  34
  35   FakeImplProxy proxy_;
  36   FakeLayerTreeHostImpl host_impl_;
  37   scoped_ptr<ScrollbarAnimationControllerLinearFade> scrollbar_controller_;
  38   scoped_ptr<LayerImpl> scroll_layer_;
  39   scoped_ptr<PaintedScrollbarLayerImpl> scrollbar_layer_;
  40 };
  41
  42 TEST_F(ScrollbarAnimationControllerLinearFadeTest, HiddenInBegin) {
  43   scrollbar_controller_->Animate(base::TimeTicks());
  44   EXPECT_FLOAT_EQ(0.0f, scrollbar_layer_->opacity());
  45 }
  46
  47 TEST_F(ScrollbarAnimationControllerLinearFadeTest,
  48        HiddenAfterNonScrollingGesture) {
  49   scrollbar_controller_->DidScrollGestureBegin();
  50   EXPECT_FALSE(scrollbar_controller_->IsAnimating());
  51   EXPECT_FALSE(scrollbar_controller_->Animate(base::TimeTicks()));
  52   EXPECT_FLOAT_EQ(0.0f, scrollbar_layer_->opacity());
  53
  54   base::TimeTicks time;
  55   time += base::TimeDelta::FromSeconds(100);
  56   EXPECT_FALSE(scrollbar_controller_->Animate(time));
  57   EXPECT_FLOAT_EQ(0.0f, scrollbar_layer_->opacity());
  58   scrollbar_controller_->DidScrollGestureEnd(time);
  59
  60   time += base::TimeDelta::FromSeconds(100);
  61   EXPECT_FALSE(scrollbar_controller_->IsAnimating());
  62   EXPECT_FALSE(scrollbar_controller_->Animate(time));
  63   EXPECT_FLOAT_EQ(0.0f, scrollbar_layer_->opacity());
  64 }
  65
  66 TEST_F(ScrollbarAnimationControllerLinearFadeTest, AwakenByScrollingGesture) {
  67   base::TimeTicks time;
  68   time += base::TimeDelta::FromSeconds(1);
  69   scrollbar_controller_->DidScrollGestureBegin();
  70   scrollbar_controller_->Animate(time);
  71   EXPECT_FALSE(scrollbar_controller_->IsAnimating());
  72   EXPECT_FLOAT_EQ(0.0f, scrollbar_layer_->opacity());
  73
  74   EXPECT_FALSE(scrollbar_controller_->DidScrollUpdate(time));
  75   EXPECT_FALSE(scrollbar_controller_->IsAnimating());
  76   EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity());
  77
  78   time += base::TimeDelta::FromSeconds(100);
  79   scrollbar_controller_->Animate(time);
  80   EXPECT_FALSE(scrollbar_controller_->IsAnimating());
  81   EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity());
  82   scrollbar_controller_->DidScrollGestureEnd(time);
  83
  84   EXPECT_TRUE(scrollbar_controller_->IsAnimating());
  85   EXPECT_EQ(2, scrollbar_controller_->DelayBeforeStart(time).InSeconds());
  86
  87   time += base::TimeDelta::FromSeconds(1);
  88   scrollbar_controller_->Animate(time);
  89   EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity());
  90
  91   time += base::TimeDelta::FromSeconds(1);
  92   scrollbar_controller_->Animate(time);
  93   EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity());
  94
  95   time += base::TimeDelta::FromSeconds(1);
  96   scrollbar_controller_->Animate(time);
  97   EXPECT_FLOAT_EQ(2.0f / 3.0f, scrollbar_layer_->opacity());
  98
  99   time += base::TimeDelta::FromSeconds(1);
 100   scrollbar_controller_->Animate(time);
 101   EXPECT_FLOAT_EQ(1.0f / 3.0f, scrollbar_layer_->opacity());
 102
 103   time += base::TimeDelta::FromSeconds(1);
 104
 105   scrollbar_controller_->DidScrollGestureBegin();
 106   EXPECT_FALSE(scrollbar_controller_->DidScrollUpdate(time));
 107   scrollbar_controller_->DidScrollGestureEnd(time);
 108
 109   time += base::TimeDelta::FromSeconds(1);
 110   scrollbar_controller_->Animate(time);
 111   EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity());
 112
 113   time += base::TimeDelta::FromSeconds(1);
 114   scrollbar_controller_->Animate(time);
 115   EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity());
 116
 117   time += base::TimeDelta::FromSeconds(1);
 118   scrollbar_controller_->Animate(time);
 119   EXPECT_FLOAT_EQ(2.0f / 3.0f, scrollbar_layer_->opacity());
 120
 121   time += base::TimeDelta::FromSeconds(1);
 122   scrollbar_controller_->Animate(time);
 123   EXPECT_FLOAT_EQ(1.0f / 3.0f, scrollbar_layer_->opacity());
 124
 125   time += base::TimeDelta::FromSeconds(1);
 126   scrollbar_controller_->Animate(time);
 127   EXPECT_FLOAT_EQ(0.0f, scrollbar_layer_->opacity());
 128 }
 129
 130 TEST_F(ScrollbarAnimationControllerLinearFadeTest, AwakenByProgrammaticScroll) {
 131   base::TimeTicks time;
 132   time += base::TimeDelta::FromSeconds(1);
 133   EXPECT_TRUE(scrollbar_controller_->DidScrollUpdate(time));
 134   EXPECT_TRUE(scrollbar_controller_->IsAnimating());
 135   EXPECT_EQ(2, scrollbar_controller_->DelayBeforeStart(time).InSeconds());
 136   scrollbar_controller_->Animate(time);
 137   EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity());
 138
 139   time += base::TimeDelta::FromSeconds(1);
 140   scrollbar_controller_->Animate(time);
 141   EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity());
 142   EXPECT_TRUE(scrollbar_controller_->DidScrollUpdate(time));
 143
 144   time += base::TimeDelta::FromSeconds(1);
 145   scrollbar_controller_->Animate(time);
 146   EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity());
 147
 148   time += base::TimeDelta::FromSeconds(1);
 149   scrollbar_controller_->Animate(time);
 150   EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity());
 151
 152   time += base::TimeDelta::FromSeconds(1);
 153   scrollbar_controller_->Animate(time);
 154   EXPECT_FLOAT_EQ(2.0f / 3.0f, scrollbar_layer_->opacity());
 155
 156   time += base::TimeDelta::FromSeconds(1);
 157   scrollbar_controller_->Animate(time);
 158   EXPECT_FLOAT_EQ(1.0f / 3.0f, scrollbar_layer_->opacity());
 159
 160   time += base::TimeDelta::FromSeconds(1);
 161   EXPECT_TRUE(scrollbar_controller_->DidScrollUpdate(time));
 162   time += base::TimeDelta::FromSeconds(1);
 163   scrollbar_controller_->Animate(time);
 164   EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity());
 165
 166   time += base::TimeDelta::FromSeconds(1);
 167   scrollbar_controller_->Animate(time);
 168   EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity());
 169
 170   time += base::TimeDelta::FromSeconds(1);
 171   scrollbar_controller_->Animate(time);
 172   EXPECT_FLOAT_EQ(2.0f / 3.0f, scrollbar_layer_->opacity());
 173
 174   time += base::TimeDelta::FromSeconds(1);
 175   scrollbar_controller_->Animate(time);
 176   EXPECT_FLOAT_EQ(1.0f / 3.0f, scrollbar_layer_->opacity());
 177
 178   time += base::TimeDelta::FromSeconds(1);
 179   scrollbar_controller_->Animate(time);
 180   EXPECT_FLOAT_EQ(0.0f, scrollbar_layer_->opacity());
 181 }
 182
 183 TEST_F(ScrollbarAnimationControllerLinearFadeTest,
 184        AnimationPreservedByNonScrollingGesture) {
 185   base::TimeTicks time;
 186   time += base::TimeDelta::FromSeconds(1);
 187   EXPECT_TRUE(scrollbar_controller_->DidScrollUpdate(time));
 188   EXPECT_TRUE(scrollbar_controller_->IsAnimating());
 189   scrollbar_controller_->Animate(time);
 190   EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity());
 191
 192   time += base::TimeDelta::FromSeconds(3);
 193   scrollbar_controller_->Animate(time);
 194   EXPECT_FLOAT_EQ(2.0f / 3.0f, scrollbar_layer_->opacity());
 195
 196   scrollbar_controller_->DidScrollGestureBegin();
 197   EXPECT_TRUE(scrollbar_controller_->IsAnimating());
 198   EXPECT_FLOAT_EQ(2.0f / 3.0f, scrollbar_layer_->opacity());
 199
 200   time += base::TimeDelta::FromSeconds(1);
 201   scrollbar_controller_->Animate(time);
 202   EXPECT_FLOAT_EQ(1.0f / 3.0f, scrollbar_layer_->opacity());
 203
 204   scrollbar_controller_->DidScrollGestureEnd(time);
 205   EXPECT_TRUE(scrollbar_controller_->IsAnimating());
 206   EXPECT_FLOAT_EQ(1.0f / 3.0f, scrollbar_layer_->opacity());
 207
 208   time += base::TimeDelta::FromSeconds(1);
 209   EXPECT_FALSE(scrollbar_controller_->Animate(time));
 210   EXPECT_FLOAT_EQ(0.0f, scrollbar_layer_->opacity());
 211 }
 212
 213 TEST_F(ScrollbarAnimationControllerLinearFadeTest,
 214        AnimationOverriddenByScrollingGesture) {
 215   base::TimeTicks time;
 216   time += base::TimeDelta::FromSeconds(1);
 217   EXPECT_TRUE(scrollbar_controller_->DidScrollUpdate(time));
 218   EXPECT_TRUE(scrollbar_controller_->IsAnimating());
 219   scrollbar_controller_->Animate(time);
 220   EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity());
 221
 222   time += base::TimeDelta::FromSeconds(3);
 223   scrollbar_controller_->Animate(time);
 224   EXPECT_FLOAT_EQ(2.0f / 3.0f, scrollbar_layer_->opacity());
 225
 226   scrollbar_controller_->DidScrollGestureBegin();
 227   EXPECT_TRUE(scrollbar_controller_->IsAnimating());
 228   EXPECT_FLOAT_EQ(2.0f / 3.0f, scrollbar_layer_->opacity());
 229
 230   time += base::TimeDelta::FromSeconds(1);
 231   scrollbar_controller_->Animate(time);
 232   EXPECT_FLOAT_EQ(1.0f / 3.0f, scrollbar_layer_->opacity());
 233
 234   time += base::TimeDelta::FromSeconds(1);
 235   EXPECT_FALSE(scrollbar_controller_->DidScrollUpdate(time));
 236   EXPECT_FALSE(scrollbar_controller_->IsAnimating());
 237   EXPECT_FLOAT_EQ(1, scrollbar_layer_->opacity());
 238
 239   time += base::TimeDelta::FromSeconds(1);
 240   scrollbar_controller_->DidScrollGestureEnd(time);
 241   EXPECT_TRUE(scrollbar_controller_->IsAnimating());
 242   EXPECT_FLOAT_EQ(1, scrollbar_layer_->opacity());
 243 }
 244
 245 }  // namespace
 246 }  // namespace cc