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