src/cc/test/animation_test_common.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/test/animation_test_common.h"
   6
   7 #include "cc/animation/animation_id_provider.h"
   8 #include "cc/animation/keyframed_animation_curve.h"
   9 #include "cc/animation/layer_animation_controller.h"
  10 #include "cc/animation/transform_operations.h"
  11 #include "cc/layers/layer.h"
  12 #include "cc/layers/layer_impl.h"
  13
  14 using cc::Animation;
  15 using cc::AnimationCurve;
  16 using cc::EaseTimingFunction;
  17 using cc::FloatKeyframe;
  18 using cc::KeyframedFloatAnimationCurve;
  19 using cc::KeyframedTransformAnimationCurve;
  20 using cc::TimingFunction;
  21 using cc::TransformKeyframe;
  22
  23 namespace cc {
  24
  25 template <class Target>
  26 int AddOpacityTransition(Target* target,
  27                          double duration,
  28                          float start_opacity,
  29                          float end_opacity,
  30                          bool use_timing_function) {
  31   scoped_ptr<KeyframedFloatAnimationCurve>
  32       curve(KeyframedFloatAnimationCurve::Create());
  33
  34   scoped_ptr<TimingFunction> func;
  35   if (!use_timing_function)
  36     func = EaseTimingFunction::Create();
  37   if (duration > 0.0)
  38     curve->AddKeyframe(FloatKeyframe::Create(0.0, start_opacity, func.Pass()));
  39   curve->AddKeyframe(FloatKeyframe::Create(duration,
  40                                            end_opacity,
  41                                            scoped_ptr<cc::TimingFunction>()));
  42
  43   int id = AnimationIdProvider::NextAnimationId();
  44
  45   scoped_ptr<Animation> animation(Animation::Create(
  46       curve.PassAs<AnimationCurve>(),
  47       id,
  48       AnimationIdProvider::NextGroupId(),
  49       Animation::Opacity));
  50   animation->set_needs_synchronized_start_time(true);
  51
  52   target->AddAnimation(animation.Pass());
  53   return id;
  54 }
  55
  56 template <class Target>
  57 int AddAnimatedTransform(Target* target,
  58                          double duration,
  59                          int delta_x,
  60                          int delta_y) {
  61   scoped_ptr<KeyframedTransformAnimationCurve>
  62       curve(KeyframedTransformAnimationCurve::Create());
  63
  64   if (duration > 0.0) {
  65     TransformOperations start_operations;
  66     start_operations.AppendTranslate(delta_x, delta_y, 0.0);
  67     curve->AddKeyframe(TransformKeyframe::Create(
  68         0.0,
  69         start_operations,
  70         scoped_ptr<cc::TimingFunction>()));
  71   }
  72
  73   TransformOperations operations;
  74   operations.AppendTranslate(delta_x, delta_y, 0.0);
  75   curve->AddKeyframe(TransformKeyframe::Create(
  76       duration,
  77       operations,
  78       scoped_ptr<cc::TimingFunction>()));
  79
  80   int id = AnimationIdProvider::NextAnimationId();
  81
  82   scoped_ptr<Animation> animation(Animation::Create(
  83       curve.PassAs<AnimationCurve>(),
  84       id,
  85       AnimationIdProvider::NextGroupId(),
  86       Animation::Transform));
  87   animation->set_needs_synchronized_start_time(true);
  88
  89   target->AddAnimation(animation.Pass());
  90   return id;
  91 }
  92
  93 template <class Target>
  94 int AddAnimatedFilter(Target* target,
  95                       double duration,
  96                       float start_brightness,
  97                       float end_brightness) {
  98   scoped_ptr<KeyframedFilterAnimationCurve>
  99       curve(KeyframedFilterAnimationCurve::Create());
 100
 101   if (duration > 0.0) {
 102     FilterOperations start_filters;
 103     start_filters.Append(
 104         FilterOperation::CreateBrightnessFilter(start_brightness));
 105     curve->AddKeyframe(FilterKeyframe::Create(
 106         0.0, start_filters, scoped_ptr<cc::TimingFunction>()));
 107   }
 108
 109   FilterOperations filters;
 110   filters.Append(FilterOperation::CreateBrightnessFilter(end_brightness));
 111   curve->AddKeyframe(FilterKeyframe::Create(
 112       duration, filters, scoped_ptr<cc::TimingFunction>()));
 113
 114   int id = AnimationIdProvider::NextAnimationId();
 115
 116   scoped_ptr<Animation> animation(Animation::Create(
 117       curve.PassAs<AnimationCurve>(),
 118       id,
 119       AnimationIdProvider::NextGroupId(),
 120       Animation::Filter));
 121   animation->set_needs_synchronized_start_time(true);
 122
 123   target->AddAnimation(animation.Pass());
 124   return id;
 125 }
 126
 127 FakeFloatAnimationCurve::FakeFloatAnimationCurve()
 128     : duration_(1.0) {}
 129
 130 FakeFloatAnimationCurve::FakeFloatAnimationCurve(double duration)
 131     : duration_(duration) {}
 132
 133 FakeFloatAnimationCurve::~FakeFloatAnimationCurve() {}
 134
 135 double FakeFloatAnimationCurve::Duration() const {
 136   return duration_;
 137 }
 138
 139 float FakeFloatAnimationCurve::GetValue(double now) const {
 140   return 0.0f;
 141 }
 142
 143 scoped_ptr<cc::AnimationCurve> FakeFloatAnimationCurve::Clone() const {
 144   return make_scoped_ptr(
 145       new FakeFloatAnimationCurve).PassAs<cc::AnimationCurve>();
 146 }
 147
 148 FakeTransformTransition::FakeTransformTransition(double duration)
 149     : duration_(duration) {}
 150
 151 FakeTransformTransition::~FakeTransformTransition() {}
 152
 153 double FakeTransformTransition::Duration() const {
 154   return duration_;
 155 }
 156
 157 gfx::Transform FakeTransformTransition::GetValue(double time) const {
 158   return gfx::Transform();
 159 }
 160
 161 bool FakeTransformTransition::AnimatedBoundsForBox(const gfx::BoxF& box,
 162                                                    gfx::BoxF* bounds) const {
 163   return false;
 164 }
 165
 166 scoped_ptr<cc::AnimationCurve> FakeTransformTransition::Clone() const {
 167   return make_scoped_ptr(
 168       new FakeTransformTransition(*this)).PassAs<cc::AnimationCurve>();
 169 }
 170
 171
 172 FakeFloatTransition::FakeFloatTransition(double duration, float from, float to)
 173     : duration_(duration), from_(from), to_(to) {}
 174
 175 FakeFloatTransition::~FakeFloatTransition() {}
 176
 177 double FakeFloatTransition::Duration() const {
 178   return duration_;
 179 }
 180
 181 float FakeFloatTransition::GetValue(double time) const {
 182   time /= duration_;
 183   if (time >= 1.0)
 184     time = 1.0;
 185   return (1.0 - time) * from_ + time * to_;
 186 }
 187
 188 FakeLayerAnimationValueObserver::FakeLayerAnimationValueObserver()
 189     : opacity_(0.0f) {}
 190
 191 FakeLayerAnimationValueObserver::~FakeLayerAnimationValueObserver() {}
 192
 193 void FakeLayerAnimationValueObserver::OnFilterAnimated(
 194     const FilterOperations& filters) {
 195   filters_ = filters;
 196 }
 197
 198 void FakeLayerAnimationValueObserver::OnOpacityAnimated(float opacity) {
 199   opacity_ = opacity;
 200 }
 201
 202 void FakeLayerAnimationValueObserver::OnTransformAnimated(
 203     const gfx::Transform& transform) {
 204   transform_ = transform;
 205 }
 206
 207 bool FakeLayerAnimationValueObserver::IsActive() const {
 208   return true;
 209 }
 210
 211 bool FakeInactiveLayerAnimationValueObserver::IsActive() const {
 212   return false;
 213 }
 214
 215 scoped_ptr<cc::AnimationCurve> FakeFloatTransition::Clone() const {
 216   return make_scoped_ptr(
 217       new FakeFloatTransition(*this)).PassAs<cc::AnimationCurve>();
 218 }
 219
 220 int AddOpacityTransitionToController(cc::LayerAnimationController* controller,
 221                                      double duration,
 222                                      float start_opacity,
 223                                      float end_opacity,
 224                                      bool use_timing_function) {
 225   return AddOpacityTransition(controller,
 226                               duration,
 227                               start_opacity,
 228                               end_opacity,
 229                               use_timing_function);
 230 }
 231
 232 int AddAnimatedTransformToController(cc::LayerAnimationController* controller,
 233                                      double duration,
 234                                      int delta_x,
 235                                      int delta_y) {
 236   return AddAnimatedTransform(controller,
 237                               duration,
 238                               delta_x,
 239                               delta_y);
 240 }
 241
 242 int AddAnimatedFilterToController(cc::LayerAnimationController* controller,
 243                                   double duration,
 244                                   float start_brightness,
 245                                   float end_brightness) {
 246   return AddAnimatedFilter(
 247       controller, duration, start_brightness, end_brightness);
 248 }
 249
 250 int AddOpacityTransitionToLayer(cc::Layer* layer,
 251                                 double duration,
 252                                 float start_opacity,
 253                                 float end_opacity,
 254                                 bool use_timing_function) {
 255   return AddOpacityTransition(layer,
 256                               duration,
 257                               start_opacity,
 258                               end_opacity,
 259                               use_timing_function);
 260 }
 261
 262 int AddOpacityTransitionToLayer(cc::LayerImpl* layer,
 263                                 double duration,
 264                                 float start_opacity,
 265                                 float end_opacity,
 266                                 bool use_timing_function) {
 267   return AddOpacityTransition(layer->layer_animation_controller(),
 268                               duration,
 269                               start_opacity,
 270                               end_opacity,
 271                               use_timing_function);
 272 }
 273
 274 int AddAnimatedTransformToLayer(cc::Layer* layer,
 275                                 double duration,
 276                                 int delta_x,
 277                                 int delta_y) {
 278   return AddAnimatedTransform(layer, duration, delta_x, delta_y);
 279 }
 280
 281 int AddAnimatedTransformToLayer(cc::LayerImpl* layer,
 282                                 double duration,
 283                                 int delta_x,
 284                                 int delta_y) {
 285   return AddAnimatedTransform(layer->layer_animation_controller(),
 286                               duration,
 287                               delta_x,
 288                               delta_y);
 289 }
 290
 291 int AddAnimatedFilterToLayer(cc::Layer* layer,
 292                              double duration,
 293                              float start_brightness,
 294                              float end_brightness) {
 295   return AddAnimatedFilter(layer, duration, start_brightness, end_brightness);
 296 }
 297
 298 int AddAnimatedFilterToLayer(cc::LayerImpl* layer,
 299                              double duration,
 300                              float start_brightness,
 301                              float end_brightness) {
 302   return AddAnimatedFilter(layer->layer_animation_controller(),
 303                            duration,
 304                            start_brightness,
 305                            end_brightness);
 306 }
 307
 308 }  // namespace cc