src/ash/test/test_session_state_animator.cc

   1 // Copyright 2014 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 "ash/test/test_session_state_animator.h"
   6
   7 #include <vector>
   8
   9 #include "base/bind.h"
  10
  11 namespace ash {
  12 namespace test {
  13
  14 namespace {
  15 // A no-op callback that can be used when managing an animation that didn't
  16 // actually have a callback given.
  17 void DummyCallback() {}
  18 }
  19
  20 const SessionStateAnimator::Container
  21     TestSessionStateAnimator::kAllContainers[] = {
  22         SessionStateAnimator::DESKTOP_BACKGROUND,
  23         SessionStateAnimator::LAUNCHER,
  24         SessionStateAnimator::NON_LOCK_SCREEN_CONTAINERS,
  25         SessionStateAnimator::LOCK_SCREEN_BACKGROUND,
  26         SessionStateAnimator::LOCK_SCREEN_CONTAINERS,
  27         SessionStateAnimator::LOCK_SCREEN_RELATED_CONTAINERS,
  28         SessionStateAnimator::ROOT_CONTAINER
  29     };
  30
  31 // A simple SessionStateAnimator::AnimationSequence that tracks the number of
  32 // attached sequences.  The callback will be invoked if all animations complete
  33 // successfully.
  34 class TestSessionStateAnimator::AnimationSequence
  35     : public SessionStateAnimator::AnimationSequence {
  36  public:
  37   AnimationSequence(base::Closure callback, TestSessionStateAnimator* animator)
  38       : SessionStateAnimator::AnimationSequence(callback),
  39         sequence_count_(0),
  40         sequence_aborted_(false),
  41         animator_(animator) {
  42   }
  43
  44   virtual ~AnimationSequence() {}
  45
  46   virtual void SequenceAttached() {
  47     ++sequence_count_;
  48   }
  49
  50   // Notify the sequence that is has completed.
  51   virtual void SequenceFinished(bool successfully) {
  52     DCHECK_GT(sequence_count_, 0);
  53     --sequence_count_;
  54     sequence_aborted_ |= !successfully;
  55     if (sequence_count_ == 0) {
  56       if (sequence_aborted_)
  57         OnAnimationAborted();
  58       else
  59         OnAnimationCompleted();
  60     }
  61   }
  62
  63   // ash::SessionStateAnimator::AnimationSequence:
  64   virtual void StartAnimation(int container_mask,
  65                               AnimationType type,
  66                               AnimationSpeed speed) OVERRIDE {
  67     animator_->StartAnimationInSequence(container_mask, type, speed, this);
  68   }
  69
  70  private:
  71   // Tracks the number of contained animations.
  72   int sequence_count_;
  73
  74   // True if the sequence was aborted.
  75   bool sequence_aborted_;
  76
  77   // The TestSessionAnimator that created this.  Not owned.
  78   TestSessionStateAnimator* animator_;
  79
  80   DISALLOW_COPY_AND_ASSIGN(AnimationSequence);
  81 };
  82
  83 TestSessionStateAnimator::ActiveAnimation::ActiveAnimation(
  84     int animation_epoch,
  85     base::TimeDelta duration,
  86     SessionStateAnimator::Container container,
  87     AnimationType type,
  88     AnimationSpeed speed,
  89     base::Closure success_callback,
  90     base::Closure failed_callback)
  91     : animation_epoch(animation_epoch),
  92       remaining_duration(duration),
  93       container(container),
  94       type(type),
  95       speed(speed),
  96       success_callback(success_callback),
  97       failed_callback(failed_callback) {
  98 }
  99
 100 TestSessionStateAnimator::ActiveAnimation::~ActiveAnimation() {
 101 }
 102
 103 TestSessionStateAnimator::TestSessionStateAnimator()
 104     : last_animation_epoch_(0),
 105       is_background_hidden_(false) {
 106 }
 107
 108 TestSessionStateAnimator::~TestSessionStateAnimator() {
 109   CompleteAllAnimations(false);
 110 }
 111
 112 void TestSessionStateAnimator::ResetAnimationEpoch() {
 113   CompleteAllAnimations(false);
 114   last_animation_epoch_ = 0;
 115 }
 116
 117 void TestSessionStateAnimator::Advance(const base::TimeDelta& duration) {
 118   for (ActiveAnimationsMap::iterator container_iter =
 119            active_animations_.begin();
 120        container_iter != active_animations_.end();
 121        ++container_iter) {
 122     AnimationList::iterator animation_iter = (*container_iter).second.begin();
 123     while (animation_iter != (*container_iter).second.end()) {
 124       ActiveAnimation& active_animation = *animation_iter;
 125       active_animation.remaining_duration -= duration;
 126       if (active_animation.remaining_duration <= base::TimeDelta()) {
 127         active_animation.success_callback.Run();
 128         animation_iter = (*container_iter).second.erase(animation_iter);
 129       } else {
 130         ++animation_iter;
 131       }
 132     }
 133   }
 134 }
 135
 136 void TestSessionStateAnimator::CompleteAnimations(int animation_epoch,
 137                                                   bool completed_successfully) {
 138   for (ActiveAnimationsMap::iterator container_iter =
 139            active_animations_.begin();
 140        container_iter != active_animations_.end();
 141        ++container_iter) {
 142     AnimationList::iterator animation_iter = (*container_iter).second.begin();
 143     while (animation_iter != (*container_iter).second.end()) {
 144       ActiveAnimation active_animation = *animation_iter;
 145       if (active_animation.animation_epoch <= animation_epoch) {
 146         if (completed_successfully)
 147           active_animation.success_callback.Run();
 148         else
 149           active_animation.failed_callback.Run();
 150         animation_iter = (*container_iter).second.erase(animation_iter);
 151       } else {
 152         ++animation_iter;
 153       }
 154     }
 155   }
 156 }
 157
 158 void TestSessionStateAnimator::CompleteAllAnimations(
 159     bool completed_successfully) {
 160   CompleteAnimations(last_animation_epoch_, completed_successfully);
 161 }
 162
 163 bool TestSessionStateAnimator::IsContainerAnimated(
 164     SessionStateAnimator::Container container,
 165     SessionStateAnimator::AnimationType type) const {
 166   ActiveAnimationsMap::const_iterator container_iter =
 167       active_animations_.find(container);
 168   if (container_iter != active_animations_.end()) {
 169     for (AnimationList::const_iterator animation_iter =
 170           (*container_iter).second.begin();
 171          animation_iter != (*container_iter).second.end();
 172          ++animation_iter) {
 173       const ActiveAnimation& active_animation = *animation_iter;
 174       if (active_animation.type == type)
 175         return true;
 176     }
 177   }
 178   return false;
 179 }
 180
 181 bool TestSessionStateAnimator::AreContainersAnimated(
 182     int container_mask, SessionStateAnimator::AnimationType type) const {
 183   for (size_t i = 0; i < arraysize(kAllContainers); ++i) {
 184     if (container_mask & kAllContainers[i] &&
 185         !IsContainerAnimated(kAllContainers[i], type)) {
 186       return false;
 187     }
 188   }
 189   return true;
 190 }
 191
 192 size_t TestSessionStateAnimator::GetAnimationCount() const {
 193   size_t count = 0;
 194   for (ActiveAnimationsMap::const_iterator container_iter =
 195           active_animations_.begin();
 196        container_iter != active_animations_.end();
 197        ++container_iter) {
 198     count += (*container_iter).second.size();
 199   }
 200   return count;
 201 }
 202
 203 void TestSessionStateAnimator::StartAnimation(int container_mask,
 204                                               AnimationType type,
 205                                               AnimationSpeed speed) {
 206   ++last_animation_epoch_;
 207   for (size_t i = 0; i < arraysize(kAllContainers); ++i) {
 208     if (container_mask & kAllContainers[i]) {
 209       // Use a dummy no-op callback because one isn't required by the client
 210       // but one is required when completing or aborting animations.
 211       base::Closure callback = base::Bind(&DummyCallback);
 212       AddAnimation(kAllContainers[i], type, speed, callback, callback);
 213     }
 214   }
 215 }
 216
 217 void TestSessionStateAnimator::StartAnimationWithCallback(
 218     int container_mask,
 219     AnimationType type,
 220     AnimationSpeed speed,
 221     base::Closure callback) {
 222   ++last_animation_epoch_;
 223   for (size_t i = 0; i < arraysize(kAllContainers); ++i)
 224     if (container_mask & kAllContainers[i]) {
 225       // ash::SessionStateAnimatorImpl invokes the callback whether or not the
 226       // animation was completed successfully or not.
 227       AddAnimation(kAllContainers[i], type, speed, callback, callback);
 228     }
 229 }
 230
 231 ash::SessionStateAnimator::AnimationSequence*
 232     TestSessionStateAnimator::BeginAnimationSequence(base::Closure callback) {
 233   return new AnimationSequence(callback, this);
 234 }
 235
 236 bool TestSessionStateAnimator::IsBackgroundHidden() const {
 237   return is_background_hidden_;
 238 }
 239
 240 void TestSessionStateAnimator::ShowBackground() {
 241   is_background_hidden_ = false;
 242 }
 243
 244 void TestSessionStateAnimator::HideBackground() {
 245   is_background_hidden_ = true;
 246 }
 247
 248 void TestSessionStateAnimator::StartAnimationInSequence(
 249     int container_mask,
 250     AnimationType type,
 251     AnimationSpeed speed,
 252     AnimationSequence* animation_sequence) {
 253   ++last_animation_epoch_;
 254   for (size_t i = 0; i < arraysize(kAllContainers); ++i) {
 255     if (container_mask & kAllContainers[i]) {
 256       base::Closure success_callback =
 257           base::Bind(&AnimationSequence::SequenceFinished,
 258                      base::Unretained(animation_sequence), true);
 259       base::Closure failed_callback =
 260           base::Bind(&AnimationSequence::SequenceFinished,
 261                      base::Unretained(animation_sequence), false);
 262       animation_sequence->SequenceAttached();
 263       AddAnimation(kAllContainers[i], type, speed, success_callback,
 264           failed_callback);
 265     }
 266   }
 267 }
 268
 269 void TestSessionStateAnimator::AddAnimation(
 270     SessionStateAnimator::Container container,
 271     AnimationType type,
 272     AnimationSpeed speed,
 273     base::Closure success_callback,
 274     base::Closure failed_callback) {
 275   base::TimeDelta duration = GetDuration(speed);
 276   ActiveAnimation active_animation(last_animation_epoch_,
 277                                    duration,
 278                                    container,
 279                                    type,
 280                                    speed,
 281                                    success_callback,
 282                                    failed_callback);
 283   // This test double is limited to only have one animation active for a given
 284   // container at a time.
 285   AbortAnimation(container);
 286   active_animations_[container].push_back(active_animation);
 287 }
 288
 289 void TestSessionStateAnimator::AbortAnimation(
 290     SessionStateAnimator::Container container) {
 291   ActiveAnimationsMap::iterator container_iter =
 292       active_animations_.find(container);
 293   if (container_iter != active_animations_.end()) {
 294     AnimationList::iterator animation_iter = (*container_iter).second.begin();
 295     while (animation_iter != (*container_iter).second.end()) {
 296       ActiveAnimation active_animation = *animation_iter;
 297       active_animation.failed_callback.Run();
 298       animation_iter = (*container_iter).second.erase(animation_iter);
 299     }
 300   }
 301 }
 302
 303 }  // namespace test
 304 }  // namespace ash