ui/compositor/layer_animation_sequence_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/compositor/layer_animation_sequence.h"
   6
   7 #include "base/basictypes.h"
   8 #include "base/compiler_specific.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "base/time/time.h"
  11 #include "testing/gtest/include/gtest/gtest.h"
  12 #include "ui/compositor/layer_animation_delegate.h"
  13 #include "ui/compositor/layer_animation_element.h"
  14 #include "ui/compositor/test/test_layer_animation_delegate.h"
  15 #include "ui/compositor/test/test_layer_animation_observer.h"
  16 #include "ui/compositor/test/test_utils.h"
  17 #include "ui/gfx/rect.h"
  18 #include "ui/gfx/transform.h"
  19
  20 namespace ui {
  21
  22 namespace {
  23
  24 // Check that the sequence behaves sanely when it contains no elements.
  25 TEST(LayerAnimationSequenceTest, NoElement) {
  26   LayerAnimationSequence sequence;
  27   base::TimeTicks start_time;
  28   start_time += base::TimeDelta::FromSeconds(1);
  29   sequence.set_start_time(start_time);
  30   EXPECT_TRUE(sequence.IsFinished(start_time));
  31   EXPECT_TRUE(sequence.properties().size() == 0);
  32   LayerAnimationElement::AnimatableProperties properties;
  33   EXPECT_FALSE(sequence.HasConflictingProperty(properties));
  34 }
  35
  36 // Check that the sequences progresses the delegate as expected when it contains
  37 // a single non-threaded element.
  38 TEST(LayerAnimationSequenceTest, SingleElement) {
  39   LayerAnimationSequence sequence;
  40   TestLayerAnimationDelegate delegate;
  41   float start = 0.0f;
  42   float middle = 0.5f;
  43   float target = 1.0f;
  44   base::TimeTicks start_time;
  45   base::TimeDelta delta = base::TimeDelta::FromSeconds(1);
  46   sequence.AddElement(
  47       LayerAnimationElement::CreateBrightnessElement(target, delta));
  48
  49   for (int i = 0; i < 2; ++i) {
  50     start_time += delta;
  51     sequence.set_start_time(start_time);
  52     delegate.SetBrightnessFromAnimation(start);
  53     sequence.Start(&delegate);
  54     sequence.Progress(start_time, &delegate);
  55     EXPECT_FLOAT_EQ(start, delegate.GetBrightnessForAnimation());
  56     sequence.Progress(start_time + base::TimeDelta::FromMilliseconds(500),
  57                       &delegate);
  58     EXPECT_FLOAT_EQ(middle, delegate.GetBrightnessForAnimation());
  59     EXPECT_TRUE(sequence.IsFinished(start_time + delta));
  60     sequence.Progress(start_time + base::TimeDelta::FromMilliseconds(1000),
  61                       &delegate);
  62     EXPECT_FLOAT_EQ(target, delegate.GetBrightnessForAnimation());
  63   }
  64
  65   EXPECT_TRUE(sequence.properties().size() == 1);
  66   EXPECT_TRUE(sequence.properties().find(LayerAnimationElement::BRIGHTNESS) !=
  67               sequence.properties().end());
  68 }
  69
  70 // Check that the sequences progresses the delegate as expected when it contains
  71 // a single threaded element.
  72 TEST(LayerAnimationSequenceTest, SingleThreadedElement) {
  73   LayerAnimationSequence sequence;
  74   TestLayerAnimationDelegate delegate;
  75   float start = 0.0f;
  76   float middle = 0.5f;
  77   float target = 1.0f;
  78   base::TimeTicks start_time;
  79   base::TimeTicks effective_start;
  80   base::TimeDelta delta = base::TimeDelta::FromSeconds(1);
  81   sequence.AddElement(
  82       LayerAnimationElement::CreateOpacityElement(target, delta));
  83
  84   for (int i = 0; i < 2; ++i) {
  85     int starting_group_id = 1;
  86     sequence.set_animation_group_id(starting_group_id);
  87     start_time = effective_start + delta;
  88     sequence.set_start_time(start_time);
  89     delegate.SetOpacityFromAnimation(start);
  90     sequence.Start(&delegate);
  91     sequence.Progress(start_time, &delegate);
  92     EXPECT_FLOAT_EQ(start, sequence.last_progressed_fraction());
  93     effective_start = start_time + delta;
  94     sequence.OnThreadedAnimationStarted(cc::AnimationEvent(
  95         cc::AnimationEvent::Started,
  96         0,
  97         sequence.animation_group_id(),
  98         cc::Animation::Opacity,
  99         (effective_start - base::TimeTicks()).InSecondsF()));
 100     sequence.Progress(effective_start + delta/2, &delegate);
 101     EXPECT_FLOAT_EQ(middle, sequence.last_progressed_fraction());
 102     EXPECT_TRUE(sequence.IsFinished(effective_start + delta));
 103     sequence.Progress(effective_start + delta, &delegate);
 104     EXPECT_FLOAT_EQ(target, sequence.last_progressed_fraction());
 105     EXPECT_FLOAT_EQ(target, delegate.GetOpacityForAnimation());
 106   }
 107
 108   EXPECT_TRUE(sequence.properties().size() == 1);
 109   EXPECT_TRUE(sequence.properties().find(LayerAnimationElement::OPACITY) !=
 110               sequence.properties().end());
 111 }
 112
 113 // Check that the sequences progresses the delegate as expected when it contains
 114 // multiple elements. Note, see the layer animator tests for cyclic sequences.
 115 TEST(LayerAnimationSequenceTest, MultipleElement) {
 116   LayerAnimationSequence sequence;
 117   TestLayerAnimationDelegate delegate;
 118   float start_opacity = 0.0f;
 119   float target_opacity = 1.0f;
 120   base::TimeTicks start_time;
 121   base::TimeTicks opacity_effective_start;
 122   base::TimeTicks transform_effective_start;
 123   base::TimeDelta delta = base::TimeDelta::FromSeconds(1);
 124   sequence.AddElement(
 125       LayerAnimationElement::CreateOpacityElement(target_opacity, delta));
 126
 127   // Pause bounds for a second.
 128   LayerAnimationElement::AnimatableProperties properties;
 129   properties.insert(LayerAnimationElement::BOUNDS);
 130
 131   sequence.AddElement(
 132       LayerAnimationElement::CreatePauseElement(properties, delta));
 133
 134   gfx::Transform start_transform, target_transform, middle_transform;
 135   start_transform.Rotate(-30.0);
 136   target_transform.Rotate(30.0);
 137
 138   sequence.AddElement(
 139       LayerAnimationElement::CreateTransformElement(target_transform, delta));
 140
 141   for (int i = 0; i < 2; ++i) {
 142     int starting_group_id = 1;
 143     sequence.set_animation_group_id(starting_group_id);
 144     start_time = opacity_effective_start + 4 * delta;
 145     sequence.set_start_time(start_time);
 146     delegate.SetOpacityFromAnimation(start_opacity);
 147     delegate.SetTransformFromAnimation(start_transform);
 148
 149     sequence.Start(&delegate);
 150     sequence.Progress(start_time, &delegate);
 151     EXPECT_FLOAT_EQ(0.0, sequence.last_progressed_fraction());
 152     opacity_effective_start = start_time + delta;
 153     EXPECT_EQ(starting_group_id, sequence.animation_group_id());
 154     sequence.OnThreadedAnimationStarted(cc::AnimationEvent(
 155         cc::AnimationEvent::Started,
 156         0,
 157         sequence.animation_group_id(),
 158         cc::Animation::Opacity,
 159         (opacity_effective_start - base::TimeTicks()).InSecondsF()));
 160     sequence.Progress(opacity_effective_start + delta/2, &delegate);
 161     EXPECT_FLOAT_EQ(0.5, sequence.last_progressed_fraction());
 162     sequence.Progress(opacity_effective_start + delta, &delegate);
 163     EXPECT_FLOAT_EQ(target_opacity, delegate.GetOpacityForAnimation());
 164
 165     // Now at the start of the pause.
 166     EXPECT_FLOAT_EQ(0.0, sequence.last_progressed_fraction());
 167     TestLayerAnimationDelegate copy = delegate;
 168
 169     // In the middle of the pause -- nothing should have changed.
 170     sequence.Progress(opacity_effective_start + delta + delta/2,
 171                       &delegate);
 172     CheckApproximatelyEqual(delegate.GetBoundsForAnimation(),
 173                             copy.GetBoundsForAnimation());
 174     CheckApproximatelyEqual(delegate.GetTransformForAnimation(),
 175                             copy.GetTransformForAnimation());
 176     EXPECT_FLOAT_EQ(delegate.GetOpacityForAnimation(),
 177                     copy.GetOpacityForAnimation());
 178
 179     sequence.Progress(opacity_effective_start + 2 * delta, &delegate);
 180     CheckApproximatelyEqual(start_transform,
 181                             delegate.GetTransformForAnimation());
 182     EXPECT_FLOAT_EQ(0.0, sequence.last_progressed_fraction());
 183     transform_effective_start = opacity_effective_start + 3 * delta;
 184     EXPECT_NE(starting_group_id, sequence.animation_group_id());
 185     sequence.OnThreadedAnimationStarted(cc::AnimationEvent(
 186         cc::AnimationEvent::Started,
 187         0,
 188         sequence.animation_group_id(),
 189         cc::Animation::Transform,
 190         (transform_effective_start - base::TimeTicks()).InSecondsF()));
 191     sequence.Progress(transform_effective_start + delta/2, &delegate);
 192     EXPECT_FLOAT_EQ(0.5, sequence.last_progressed_fraction());
 193     EXPECT_TRUE(sequence.IsFinished(transform_effective_start + delta));
 194     sequence.Progress(transform_effective_start + delta, &delegate);
 195     CheckApproximatelyEqual(target_transform,
 196                             delegate.GetTransformForAnimation());
 197   }
 198
 199   EXPECT_TRUE(sequence.properties().size() == 3);
 200   EXPECT_TRUE(sequence.properties().find(LayerAnimationElement::OPACITY) !=
 201               sequence.properties().end());
 202   EXPECT_TRUE(sequence.properties().find(LayerAnimationElement::TRANSFORM) !=
 203               sequence.properties().end());
 204   EXPECT_TRUE(sequence.properties().find(LayerAnimationElement::BOUNDS) !=
 205               sequence.properties().end());
 206 }
 207
 208 // Check that a sequence can still be aborted if it has cycled many times.
 209 TEST(LayerAnimationSequenceTest, AbortingCyclicSequence) {
 210   LayerAnimationSequence sequence;
 211   TestLayerAnimationDelegate delegate;
 212   float start_brightness = 0.0f;
 213   float target_brightness = 1.0f;
 214   base::TimeTicks start_time;
 215   base::TimeDelta delta = base::TimeDelta::FromSeconds(1);
 216   sequence.AddElement(
 217       LayerAnimationElement::CreateBrightnessElement(target_brightness, delta));
 218
 219   sequence.AddElement(
 220       LayerAnimationElement::CreateBrightnessElement(start_brightness, delta));
 221
 222   sequence.set_is_cyclic(true);
 223
 224   delegate.SetBrightnessFromAnimation(start_brightness);
 225
 226   start_time += delta;
 227   sequence.set_start_time(start_time);
 228   sequence.Start(&delegate);
 229   sequence.Progress(start_time + base::TimeDelta::FromMilliseconds(101000),
 230                     &delegate);
 231   EXPECT_FLOAT_EQ(target_brightness, delegate.GetBrightnessForAnimation());
 232   sequence.Abort(&delegate);
 233
 234   // Should be able to reuse the sequence after aborting.
 235   delegate.SetBrightnessFromAnimation(start_brightness);
 236   start_time += base::TimeDelta::FromMilliseconds(101000);
 237   sequence.set_start_time(start_time);
 238   sequence.Progress(start_time + base::TimeDelta::FromMilliseconds(100000),
 239                     &delegate);
 240   EXPECT_FLOAT_EQ(start_brightness, delegate.GetBrightnessForAnimation());
 241 }
 242
 243 // Check that a sequence can be 'fast-forwarded' to the end and the target set.
 244 // Also check that this has no effect if the sequence is cyclic.
 245 TEST(LayerAnimationSequenceTest, SetTarget) {
 246   LayerAnimationSequence sequence;
 247   TestLayerAnimationDelegate delegate;
 248   float start_opacity = 0.0f;
 249   float target_opacity = 1.0f;
 250   base::TimeDelta delta = base::TimeDelta::FromSeconds(1);
 251   sequence.AddElement(
 252       LayerAnimationElement::CreateOpacityElement(target_opacity, delta));
 253
 254   LayerAnimationElement::TargetValue target_value(&delegate);
 255   target_value.opacity = start_opacity;
 256   sequence.GetTargetValue(&target_value);
 257   EXPECT_FLOAT_EQ(target_opacity, target_value.opacity);
 258
 259   sequence.set_is_cyclic(true);
 260   target_value.opacity = start_opacity;
 261   sequence.GetTargetValue(&target_value);
 262   EXPECT_FLOAT_EQ(start_opacity, target_value.opacity);
 263 }
 264
 265 TEST(LayerAnimationSequenceTest, AddObserver) {
 266   base::TimeTicks start_time;
 267   base::TimeDelta delta = base::TimeDelta::FromSeconds(1);
 268   LayerAnimationSequence sequence;
 269   sequence.AddElement(
 270       LayerAnimationElement::CreateBrightnessElement(1.0f, delta));
 271   for (int i = 0; i < 2; ++i) {
 272     start_time += delta;
 273     sequence.set_start_time(start_time);
 274     TestLayerAnimationObserver observer;
 275     TestLayerAnimationDelegate delegate;
 276     sequence.AddObserver(&observer);
 277     EXPECT_TRUE(!observer.last_ended_sequence());
 278     sequence.Progress(start_time + delta, &delegate);
 279     EXPECT_EQ(observer.last_ended_sequence(), &sequence);
 280     sequence.RemoveObserver(&observer);
 281   }
 282 }
 283
 284 } // namespace
 285
 286 } // namespace ui