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(
  96         cc::AnimationEvent(cc::AnimationEvent::Started,
  97                            0,
  98                            sequence.animation_group_id(),
  99                            cc::Animation::Opacity,
 100                            effective_start));
 101     sequence.Progress(effective_start + delta/2, &delegate);
 102     EXPECT_FLOAT_EQ(middle, sequence.last_progressed_fraction());
 103     EXPECT_TRUE(sequence.IsFinished(effective_start + delta));
 104     sequence.Progress(effective_start + delta, &delegate);
 105     EXPECT_FLOAT_EQ(target, sequence.last_progressed_fraction());
 106     EXPECT_FLOAT_EQ(target, delegate.GetOpacityForAnimation());
 107   }
 108
 109   EXPECT_EQ(static_cast<LayerAnimationElement::AnimatableProperties>(
 110                 LayerAnimationElement::OPACITY),
 111             sequence.properties());
 112 }
 113
 114 // Check that the sequences progresses the delegate as expected when it contains
 115 // multiple elements. Note, see the layer animator tests for cyclic sequences.
 116 TEST(LayerAnimationSequenceTest, MultipleElement) {
 117   LayerAnimationSequence sequence;
 118   TestLayerAnimationDelegate delegate;
 119   float start_opacity = 0.0f;
 120   float target_opacity = 1.0f;
 121   base::TimeTicks start_time;
 122   base::TimeTicks opacity_effective_start;
 123   base::TimeTicks transform_effective_start;
 124   base::TimeDelta delta = base::TimeDelta::FromSeconds(1);
 125   sequence.AddElement(
 126       LayerAnimationElement::CreateOpacityElement(target_opacity, delta));
 127
 128   // Pause bounds for a second.
 129   sequence.AddElement(LayerAnimationElement::CreatePauseElement(
 130       LayerAnimationElement::BOUNDS, delta));
 131
 132   gfx::Transform start_transform, target_transform, middle_transform;
 133   start_transform.Rotate(-30.0);
 134   target_transform.Rotate(30.0);
 135
 136   sequence.AddElement(
 137       LayerAnimationElement::CreateTransformElement(target_transform, delta));
 138
 139   for (int i = 0; i < 2; ++i) {
 140     int starting_group_id = 1;
 141     sequence.set_animation_group_id(starting_group_id);
 142     start_time = opacity_effective_start + 4 * delta;
 143     sequence.set_start_time(start_time);
 144     delegate.SetOpacityFromAnimation(start_opacity);
 145     delegate.SetTransformFromAnimation(start_transform);
 146
 147     sequence.Start(&delegate);
 148     sequence.Progress(start_time, &delegate);
 149     EXPECT_FLOAT_EQ(0.0, sequence.last_progressed_fraction());
 150     opacity_effective_start = start_time + delta;
 151     EXPECT_EQ(starting_group_id, sequence.animation_group_id());
 152     sequence.OnThreadedAnimationStarted(
 153         cc::AnimationEvent(cc::AnimationEvent::Started,
 154                            0,
 155                            sequence.animation_group_id(),
 156                            cc::Animation::Opacity,
 157                            opacity_effective_start));
 158     sequence.Progress(opacity_effective_start + delta/2, &delegate);
 159     EXPECT_FLOAT_EQ(0.5, sequence.last_progressed_fraction());
 160     sequence.Progress(opacity_effective_start + delta, &delegate);
 161     EXPECT_FLOAT_EQ(target_opacity, delegate.GetOpacityForAnimation());
 162
 163     // Now at the start of the pause.
 164     EXPECT_FLOAT_EQ(0.0, sequence.last_progressed_fraction());
 165     TestLayerAnimationDelegate copy = delegate;
 166
 167     // In the middle of the pause -- nothing should have changed.
 168     sequence.Progress(opacity_effective_start + delta + delta/2,
 169                       &delegate);
 170     CheckApproximatelyEqual(delegate.GetBoundsForAnimation(),
 171                             copy.GetBoundsForAnimation());
 172     CheckApproximatelyEqual(delegate.GetTransformForAnimation(),
 173                             copy.GetTransformForAnimation());
 174     EXPECT_FLOAT_EQ(delegate.GetOpacityForAnimation(),
 175                     copy.GetOpacityForAnimation());
 176
 177     sequence.Progress(opacity_effective_start + 2 * delta, &delegate);
 178     CheckApproximatelyEqual(start_transform,
 179                             delegate.GetTransformForAnimation());
 180     EXPECT_FLOAT_EQ(0.0, sequence.last_progressed_fraction());
 181     transform_effective_start = opacity_effective_start + 3 * delta;
 182     EXPECT_NE(starting_group_id, sequence.animation_group_id());
 183     sequence.OnThreadedAnimationStarted(
 184         cc::AnimationEvent(cc::AnimationEvent::Started,
 185                            0,
 186                            sequence.animation_group_id(),
 187                            cc::Animation::Transform,
 188                            transform_effective_start));
 189     sequence.Progress(transform_effective_start + delta/2, &delegate);
 190     EXPECT_FLOAT_EQ(0.5, sequence.last_progressed_fraction());
 191     EXPECT_TRUE(sequence.IsFinished(transform_effective_start + delta));
 192     sequence.Progress(transform_effective_start + delta, &delegate);
 193     CheckApproximatelyEqual(target_transform,
 194                             delegate.GetTransformForAnimation());
 195   }
 196
 197   EXPECT_EQ(
 198       static_cast<LayerAnimationElement::AnimatableProperties>(
 199           LayerAnimationElement::OPACITY | LayerAnimationElement::TRANSFORM |
 200           LayerAnimationElement::BOUNDS),
 201       sequence.properties());
 202 }
 203
 204 // Check that a sequence can still be aborted if it has cycled many times.
 205 TEST(LayerAnimationSequenceTest, AbortingCyclicSequence) {
 206   LayerAnimationSequence sequence;
 207   TestLayerAnimationDelegate delegate;
 208   float start_brightness = 0.0f;
 209   float target_brightness = 1.0f;
 210   base::TimeTicks start_time;
 211   base::TimeDelta delta = base::TimeDelta::FromSeconds(1);
 212   sequence.AddElement(
 213       LayerAnimationElement::CreateBrightnessElement(target_brightness, delta));
 214
 215   sequence.AddElement(
 216       LayerAnimationElement::CreateBrightnessElement(start_brightness, delta));
 217
 218   sequence.set_is_cyclic(true);
 219
 220   delegate.SetBrightnessFromAnimation(start_brightness);
 221
 222   start_time += delta;
 223   sequence.set_start_time(start_time);
 224   sequence.Start(&delegate);
 225   sequence.Progress(start_time + base::TimeDelta::FromMilliseconds(101000),
 226                     &delegate);
 227   EXPECT_FLOAT_EQ(target_brightness, delegate.GetBrightnessForAnimation());
 228   sequence.Abort(&delegate);
 229
 230   // Should be able to reuse the sequence after aborting.
 231   delegate.SetBrightnessFromAnimation(start_brightness);
 232   start_time += base::TimeDelta::FromMilliseconds(101000);
 233   sequence.set_start_time(start_time);
 234   sequence.Progress(start_time + base::TimeDelta::FromMilliseconds(100000),
 235                     &delegate);
 236   EXPECT_FLOAT_EQ(start_brightness, delegate.GetBrightnessForAnimation());
 237 }
 238
 239 // Check that a sequence can be 'fast-forwarded' to the end and the target set.
 240 // Also check that this has no effect if the sequence is cyclic.
 241 TEST(LayerAnimationSequenceTest, SetTarget) {
 242   LayerAnimationSequence sequence;
 243   TestLayerAnimationDelegate delegate;
 244   float start_opacity = 0.0f;
 245   float target_opacity = 1.0f;
 246   base::TimeDelta delta = base::TimeDelta::FromSeconds(1);
 247   sequence.AddElement(
 248       LayerAnimationElement::CreateOpacityElement(target_opacity, delta));
 249
 250   LayerAnimationElement::TargetValue target_value(&delegate);
 251   target_value.opacity = start_opacity;
 252   sequence.GetTargetValue(&target_value);
 253   EXPECT_FLOAT_EQ(target_opacity, target_value.opacity);
 254
 255   sequence.set_is_cyclic(true);
 256   target_value.opacity = start_opacity;
 257   sequence.GetTargetValue(&target_value);
 258   EXPECT_FLOAT_EQ(start_opacity, target_value.opacity);
 259 }
 260
 261 TEST(LayerAnimationSequenceTest, AddObserver) {
 262   base::TimeTicks start_time;
 263   base::TimeDelta delta = base::TimeDelta::FromSeconds(1);
 264   LayerAnimationSequence sequence;
 265   sequence.AddElement(
 266       LayerAnimationElement::CreateBrightnessElement(1.0f, delta));
 267   for (int i = 0; i < 2; ++i) {
 268     start_time += delta;
 269     sequence.set_start_time(start_time);
 270     TestLayerAnimationObserver observer;
 271     TestLayerAnimationDelegate delegate;
 272     sequence.AddObserver(&observer);
 273     EXPECT_TRUE(!observer.last_ended_sequence());
 274     sequence.Progress(start_time + delta, &delegate);
 275     EXPECT_EQ(observer.last_ended_sequence(), &sequence);
 276     sequence.RemoveObserver(&observer);
 277   }
 278 }
 279
 280 } // namespace
 281
 282 } // namespace ui