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(
  40       duration, end_opacity, scoped_ptr<TimingFunction>()));
  41
  42   int id = AnimationIdProvider::NextAnimationId();
  43
  44   scoped_ptr<Animation> animation(Animation::Create(
  45       curve.PassAs<AnimationCurve>(),
  46       id,
  47       AnimationIdProvider::NextGroupId(),
  48       Animation::Opacity));
  49   animation->set_needs_synchronized_start_time(true);
  50
  51   target->AddAnimation(animation.Pass());
  52   return id;
  53 }
  54
  55 template <class Target>
  56 int AddAnimatedTransform(Target* target,
  57                          double duration,
  58                          TransformOperations start_operations,
  59                          TransformOperations operations) {
  60   scoped_ptr<KeyframedTransformAnimationCurve>
  61       curve(KeyframedTransformAnimationCurve::Create());
  62
  63   if (duration > 0.0) {
  64     curve->AddKeyframe(TransformKeyframe::Create(
  65         0.0, start_operations, scoped_ptr<TimingFunction>()));
  66   }
  67
  68   curve->AddKeyframe(TransformKeyframe::Create(
  69       duration, operations, scoped_ptr<TimingFunction>()));
  70
  71   int id = AnimationIdProvider::NextAnimationId();
  72
  73   scoped_ptr<Animation> animation(Animation::Create(
  74       curve.PassAs<AnimationCurve>(),
  75       id,
  76       AnimationIdProvider::NextGroupId(),
  77       Animation::Transform));
  78   animation->set_needs_synchronized_start_time(true);
  79
  80   target->AddAnimation(animation.Pass());
  81   return id;
  82 }
  83
  84 template <class Target>
  85 int AddAnimatedTransform(Target* target,
  86                          double duration,
  87                          int delta_x,
  88                          int delta_y) {
  89   TransformOperations start_operations;
  90   if (duration > 0.0) {
  91     start_operations.AppendTranslate(delta_x, delta_y, 0.0);
  92   }
  93
  94   TransformOperations operations;
  95   operations.AppendTranslate(delta_x, delta_y, 0.0);
  96   return AddAnimatedTransform(target, duration, start_operations, operations);
  97 }
  98
  99 template <class Target>
 100 int AddAnimatedFilter(Target* target,
 101                       double duration,
 102                       float start_brightness,
 103                       float end_brightness) {
 104   scoped_ptr<KeyframedFilterAnimationCurve>
 105       curve(KeyframedFilterAnimationCurve::Create());
 106
 107   if (duration > 0.0) {
 108     FilterOperations start_filters;
 109     start_filters.Append(
 110         FilterOperation::CreateBrightnessFilter(start_brightness));
 111     curve->AddKeyframe(FilterKeyframe::Create(
 112         0.0, start_filters, scoped_ptr<TimingFunction>()));
 113   }
 114
 115   FilterOperations filters;
 116   filters.Append(FilterOperation::CreateBrightnessFilter(end_brightness));
 117   curve->AddKeyframe(
 118       FilterKeyframe::Create(duration, filters, scoped_ptr<TimingFunction>()));
 119
 120   int id = AnimationIdProvider::NextAnimationId();
 121
 122   scoped_ptr<Animation> animation(Animation::Create(
 123       curve.PassAs<AnimationCurve>(),
 124       id,
 125       AnimationIdProvider::NextGroupId(),
 126       Animation::Filter));
 127   animation->set_needs_synchronized_start_time(true);
 128
 129   target->AddAnimation(animation.Pass());
 130   return id;
 131 }
 132
 133 FakeFloatAnimationCurve::FakeFloatAnimationCurve()
 134     : duration_(1.0) {}
 135
 136 FakeFloatAnimationCurve::FakeFloatAnimationCurve(double duration)
 137     : duration_(duration) {}
 138
 139 FakeFloatAnimationCurve::~FakeFloatAnimationCurve() {}
 140
 141 double FakeFloatAnimationCurve::Duration() const {
 142   return duration_;
 143 }
 144
 145 float FakeFloatAnimationCurve::GetValue(double now) const {
 146   return 0.0f;
 147 }
 148
 149 scoped_ptr<AnimationCurve> FakeFloatAnimationCurve::Clone() const {
 150   return make_scoped_ptr(new FakeFloatAnimationCurve).PassAs<AnimationCurve>();
 151 }
 152
 153 FakeTransformTransition::FakeTransformTransition(double duration)
 154     : duration_(duration) {}
 155
 156 FakeTransformTransition::~FakeTransformTransition() {}
 157
 158 double FakeTransformTransition::Duration() const {
 159   return duration_;
 160 }
 161
 162 gfx::Transform FakeTransformTransition::GetValue(double time) const {
 163   return gfx::Transform();
 164 }
 165
 166 bool FakeTransformTransition::AnimatedBoundsForBox(const gfx::BoxF& box,
 167                                                    gfx::BoxF* bounds) const {
 168   return false;
 169 }
 170
 171 bool FakeTransformTransition::AffectsScale() const { return false; }
 172
 173 bool FakeTransformTransition::IsTranslation() const { return true; }
 174
 175 bool FakeTransformTransition::MaximumScale(float* max_scale) const {
 176   *max_scale = 1.f;
 177   return true;
 178 }
 179
 180 scoped_ptr<AnimationCurve> FakeTransformTransition::Clone() const {
 181   return make_scoped_ptr(new FakeTransformTransition(*this))
 182       .PassAs<AnimationCurve>();
 183 }
 184
 185
 186 FakeFloatTransition::FakeFloatTransition(double duration, float from, float to)
 187     : duration_(duration), from_(from), to_(to) {}
 188
 189 FakeFloatTransition::~FakeFloatTransition() {}
 190
 191 double FakeFloatTransition::Duration() const {
 192   return duration_;
 193 }
 194
 195 float FakeFloatTransition::GetValue(double time) const {
 196   time /= duration_;
 197   if (time >= 1.0)
 198     time = 1.0;
 199   return (1.0 - time) * from_ + time * to_;
 200 }
 201
 202 FakeLayerAnimationValueObserver::FakeLayerAnimationValueObserver()
 203     : opacity_(0.0f),
 204       animation_waiting_for_deletion_(false) {}
 205
 206 FakeLayerAnimationValueObserver::~FakeLayerAnimationValueObserver() {}
 207
 208 void FakeLayerAnimationValueObserver::OnFilterAnimated(
 209     const FilterOperations& filters) {
 210   filters_ = filters;
 211 }
 212
 213 void FakeLayerAnimationValueObserver::OnOpacityAnimated(float opacity) {
 214   opacity_ = opacity;
 215 }
 216
 217 void FakeLayerAnimationValueObserver::OnTransformAnimated(
 218     const gfx::Transform& transform) {
 219   transform_ = transform;
 220 }
 221
 222 void FakeLayerAnimationValueObserver::OnScrollOffsetAnimated(
 223     const gfx::Vector2dF& scroll_offset) {
 224   scroll_offset_ = scroll_offset;
 225 }
 226
 227 void FakeLayerAnimationValueObserver::OnAnimationWaitingForDeletion() {
 228   animation_waiting_for_deletion_ = true;
 229 }
 230
 231 bool FakeLayerAnimationValueObserver::IsActive() const {
 232   return true;
 233 }
 234
 235 bool FakeInactiveLayerAnimationValueObserver::IsActive() const {
 236   return false;
 237 }
 238
 239 gfx::Vector2dF FakeLayerAnimationValueProvider::ScrollOffsetForAnimation()
 240     const {
 241   return scroll_offset_;
 242 }
 243
 244 scoped_ptr<AnimationCurve> FakeFloatTransition::Clone() const {
 245   return make_scoped_ptr(new FakeFloatTransition(*this))
 246       .PassAs<AnimationCurve>();
 247 }
 248
 249 int AddOpacityTransitionToController(LayerAnimationController* controller,
 250                                      double duration,
 251                                      float start_opacity,
 252                                      float end_opacity,
 253                                      bool use_timing_function) {
 254   return AddOpacityTransition(controller,
 255                               duration,
 256                               start_opacity,
 257                               end_opacity,
 258                               use_timing_function);
 259 }
 260
 261 int AddAnimatedTransformToController(LayerAnimationController* controller,
 262                                      double duration,
 263                                      int delta_x,
 264                                      int delta_y) {
 265   return AddAnimatedTransform(controller,
 266                               duration,
 267                               delta_x,
 268                               delta_y);
 269 }
 270
 271 int AddAnimatedFilterToController(LayerAnimationController* controller,
 272                                   double duration,
 273                                   float start_brightness,
 274                                   float end_brightness) {
 275   return AddAnimatedFilter(
 276       controller, duration, start_brightness, end_brightness);
 277 }
 278
 279 int AddOpacityTransitionToLayer(Layer* layer,
 280                                 double duration,
 281                                 float start_opacity,
 282                                 float end_opacity,
 283                                 bool use_timing_function) {
 284   return AddOpacityTransition(layer,
 285                               duration,
 286                               start_opacity,
 287                               end_opacity,
 288                               use_timing_function);
 289 }
 290
 291 int AddOpacityTransitionToLayer(LayerImpl* layer,
 292                                 double duration,
 293                                 float start_opacity,
 294                                 float end_opacity,
 295                                 bool use_timing_function) {
 296   return AddOpacityTransition(layer->layer_animation_controller(),
 297                               duration,
 298                               start_opacity,
 299                               end_opacity,
 300                               use_timing_function);
 301 }
 302
 303 int AddAnimatedTransformToLayer(Layer* layer,
 304                                 double duration,
 305                                 int delta_x,
 306                                 int delta_y) {
 307   return AddAnimatedTransform(layer, duration, delta_x, delta_y);
 308 }
 309
 310 int AddAnimatedTransformToLayer(LayerImpl* layer,
 311                                 double duration,
 312                                 int delta_x,
 313                                 int delta_y) {
 314   return AddAnimatedTransform(layer->layer_animation_controller(),
 315                               duration,
 316                               delta_x,
 317                               delta_y);
 318 }
 319
 320 int AddAnimatedTransformToLayer(Layer* layer,
 321                                 double duration,
 322                                 TransformOperations start_operations,
 323                                 TransformOperations operations) {
 324   return AddAnimatedTransform(layer, duration, start_operations, operations);
 325 }
 326
 327 int AddAnimatedTransformToLayer(LayerImpl* layer,
 328                                 double duration,
 329                                 TransformOperations start_operations,
 330                                 TransformOperations operations) {
 331   return AddAnimatedTransform(layer->layer_animation_controller(),
 332                               duration,
 333                               start_operations,
 334                               operations);
 335 }
 336
 337 int AddAnimatedFilterToLayer(Layer* layer,
 338                              double duration,
 339                              float start_brightness,
 340                              float end_brightness) {
 341   return AddAnimatedFilter(layer, duration, start_brightness, end_brightness);
 342 }
 343
 344 int AddAnimatedFilterToLayer(LayerImpl* layer,
 345                              double duration,
 346                              float start_brightness,
 347                              float end_brightness) {
 348   return AddAnimatedFilter(layer->layer_animation_controller(),
 349                            duration,
 350                            start_brightness,
 351                            end_brightness);
 352 }
 353
 354 }  // namespace cc