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| 1 /* | |
| 2 * Copyright (C) 2013 Google Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions are | |
| 6 * met: | |
| 7 * | |
| 8 * * Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * * Redistributions in binary form must reproduce the above | |
| 11 * copyright notice, this list of conditions and the following disclaimer | |
| 12 * in the documentation and/or other materials provided with the | |
| 13 * distribution. | |
| 14 * * Neither the name of Google Inc. nor the names of its | |
| 15 * contributors may be used to endorse or promote products derived from | |
| 16 * this software without specific prior written permission. | |
| 17 * | |
| 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 */ | |
| 30 | |
| 31 #include "core/animation/AnimationTimeline.h" | |
| 32 | |
| 33 #include <algorithm> | |
| 34 #include "core/animation/AnimationClock.h" | |
| 35 #include "core/animation/ElementAnimations.h" | |
| 36 #include "core/dom/Document.h" | |
| 37 #include "core/frame/LocalFrameView.h" | |
| 38 #include "core/loader/DocumentLoader.h" | |
| 39 #include "core/page/Page.h" | |
| 40 #include "platform/RuntimeEnabledFeatures.h" | |
| 41 #include "platform/animation/CompositorAnimationTimeline.h" | |
| 42 #include "platform/instrumentation/tracing/TraceEvent.h" | |
| 43 #include "platform/wtf/PtrUtil.h" | |
| 44 #include "public/platform/Platform.h" | |
| 45 #include "public/platform/WebCompositorSupport.h" | |
| 46 | |
| 47 namespace blink { | |
| 48 | |
| 49 namespace { | |
| 50 | |
| 51 bool CompareAnimations(const Member<Animation>& left, | |
| 52 const Member<Animation>& right) { | |
| 53 return Animation::HasLowerPriority(left.Get(), right.Get()); | |
| 54 } | |
| 55 } | |
| 56 | |
| 57 // This value represents 1 frame at 30Hz plus a little bit of wiggle room. | |
| 58 // TODO: Plumb a nominal framerate through and derive this value from that. | |
| 59 const double AnimationTimeline::kMinimumDelay = 0.04; | |
| 60 | |
| 61 AnimationTimeline* AnimationTimeline::Create(Document* document, | |
| 62 PlatformTiming* timing) { | |
| 63 return new AnimationTimeline(document, timing); | |
| 64 } | |
| 65 | |
| 66 AnimationTimeline::AnimationTimeline(Document* document, PlatformTiming* timing) | |
| 67 : document_(document), | |
| 68 // 0 is used by unit tests which cannot initialize from the loader | |
| 69 zero_time_(0), | |
| 70 zero_time_initialized_(false), | |
| 71 outdated_animation_count_(0), | |
| 72 playback_rate_(1), | |
| 73 last_current_time_internal_(0) { | |
| 74 if (!timing) | |
| 75 timing_ = new AnimationTimelineTiming(this); | |
| 76 else | |
| 77 timing_ = timing; | |
| 78 | |
| 79 if (Platform::Current()->IsThreadedAnimationEnabled()) | |
| 80 compositor_timeline_ = CompositorAnimationTimeline::Create(); | |
| 81 | |
| 82 DCHECK(document); | |
| 83 } | |
| 84 | |
| 85 bool AnimationTimeline::IsActive() { | |
| 86 return document_ && document_->GetPage(); | |
| 87 } | |
| 88 | |
| 89 void AnimationTimeline::AnimationAttached(Animation& animation) { | |
| 90 DCHECK_EQ(animation.TimelineInternal(), this); | |
| 91 DCHECK(!animations_.Contains(&animation)); | |
| 92 animations_.insert(&animation); | |
| 93 } | |
| 94 | |
| 95 Animation* AnimationTimeline::Play(AnimationEffectReadOnly* child) { | |
| 96 if (!document_) | |
| 97 return nullptr; | |
| 98 | |
| 99 Animation* animation = Animation::Create(child, this); | |
| 100 DCHECK(animations_.Contains(animation)); | |
| 101 | |
| 102 animation->play(); | |
| 103 DCHECK(animations_needing_update_.Contains(animation)); | |
| 104 | |
| 105 return animation; | |
| 106 } | |
| 107 | |
| 108 HeapVector<Member<Animation>> AnimationTimeline::getAnimations() { | |
| 109 HeapVector<Member<Animation>> animations; | |
| 110 for (const auto& animation : animations_) { | |
| 111 if (animation->effect() && | |
| 112 (animation->effect()->IsCurrent() || animation->effect()->IsInEffect())) | |
| 113 animations.push_back(animation); | |
| 114 } | |
| 115 std::sort(animations.begin(), animations.end(), CompareAnimations); | |
| 116 return animations; | |
| 117 } | |
| 118 | |
| 119 void AnimationTimeline::Wake() { | |
| 120 timing_->ServiceOnNextFrame(); | |
| 121 } | |
| 122 | |
| 123 void AnimationTimeline::ServiceAnimations(TimingUpdateReason reason) { | |
| 124 TRACE_EVENT0("blink", "AnimationTimeline::serviceAnimations"); | |
| 125 | |
| 126 last_current_time_internal_ = CurrentTimeInternal(); | |
| 127 | |
| 128 HeapVector<Member<Animation>> animations; | |
| 129 animations.ReserveInitialCapacity(animations_needing_update_.size()); | |
| 130 for (Animation* animation : animations_needing_update_) | |
| 131 animations.push_back(animation); | |
| 132 | |
| 133 std::sort(animations.begin(), animations.end(), Animation::HasLowerPriority); | |
| 134 | |
| 135 for (Animation* animation : animations) { | |
| 136 if (!animation->Update(reason)) | |
| 137 animations_needing_update_.erase(animation); | |
| 138 } | |
| 139 | |
| 140 DCHECK_EQ(outdated_animation_count_, 0U); | |
| 141 DCHECK(last_current_time_internal_ == CurrentTimeInternal() || | |
| 142 (std::isnan(CurrentTimeInternal()) && | |
| 143 std::isnan(last_current_time_internal_))); | |
| 144 | |
| 145 #if DCHECK_IS_ON() | |
| 146 for (const auto& animation : animations_needing_update_) | |
| 147 DCHECK(!animation->Outdated()); | |
| 148 #endif | |
| 149 } | |
| 150 | |
| 151 void AnimationTimeline::ScheduleNextService() { | |
| 152 DCHECK_EQ(outdated_animation_count_, 0U); | |
| 153 | |
| 154 double time_to_next_effect = std::numeric_limits<double>::infinity(); | |
| 155 for (const auto& animation : animations_needing_update_) { | |
| 156 time_to_next_effect = | |
| 157 std::min(time_to_next_effect, animation->TimeToEffectChange()); | |
| 158 } | |
| 159 | |
| 160 if (time_to_next_effect < kMinimumDelay) { | |
| 161 timing_->ServiceOnNextFrame(); | |
| 162 } else if (time_to_next_effect != std::numeric_limits<double>::infinity()) { | |
| 163 timing_->WakeAfter(time_to_next_effect - kMinimumDelay); | |
| 164 } | |
| 165 } | |
| 166 | |
| 167 void AnimationTimeline::AnimationTimelineTiming::WakeAfter(double duration) { | |
| 168 if (timer_.IsActive() && timer_.NextFireInterval() < duration) | |
| 169 return; | |
| 170 timer_.StartOneShot(duration, BLINK_FROM_HERE); | |
| 171 } | |
| 172 | |
| 173 void AnimationTimeline::AnimationTimelineTiming::ServiceOnNextFrame() { | |
| 174 if (timeline_->document_ && timeline_->document_->View()) | |
| 175 timeline_->document_->View()->ScheduleAnimation(); | |
| 176 } | |
| 177 | |
| 178 DEFINE_TRACE(AnimationTimeline::AnimationTimelineTiming) { | |
| 179 visitor->Trace(timeline_); | |
| 180 AnimationTimeline::PlatformTiming::Trace(visitor); | |
| 181 } | |
| 182 | |
| 183 double AnimationTimeline::ZeroTime() { | |
| 184 if (!zero_time_initialized_ && document_ && document_->Loader()) { | |
| 185 zero_time_ = document_->Loader()->GetTiming().ReferenceMonotonicTime(); | |
| 186 zero_time_initialized_ = true; | |
| 187 } | |
| 188 return zero_time_; | |
| 189 } | |
| 190 | |
| 191 void AnimationTimeline::ResetForTesting() { | |
| 192 zero_time_ = 0; | |
| 193 zero_time_initialized_ = true; | |
| 194 playback_rate_ = 1; | |
| 195 last_current_time_internal_ = 0; | |
| 196 } | |
| 197 | |
| 198 double AnimationTimeline::currentTime(bool& is_null) { | |
| 199 return CurrentTimeInternal(is_null) * 1000; | |
| 200 } | |
| 201 | |
| 202 double AnimationTimeline::CurrentTimeInternal(bool& is_null) { | |
| 203 if (!IsActive()) { | |
| 204 is_null = true; | |
| 205 return std::numeric_limits<double>::quiet_NaN(); | |
| 206 } | |
| 207 double result = | |
| 208 playback_rate_ == 0 | |
| 209 ? ZeroTime() | |
| 210 : (GetDocument()->GetAnimationClock().CurrentTime() - ZeroTime()) * | |
| 211 playback_rate_; | |
| 212 is_null = std::isnan(result); | |
| 213 return result; | |
| 214 } | |
| 215 | |
| 216 double AnimationTimeline::currentTime() { | |
| 217 return CurrentTimeInternal() * 1000; | |
| 218 } | |
| 219 | |
| 220 double AnimationTimeline::CurrentTimeInternal() { | |
| 221 bool is_null; | |
| 222 return CurrentTimeInternal(is_null); | |
| 223 } | |
| 224 | |
| 225 double AnimationTimeline::EffectiveTime() { | |
| 226 double time = CurrentTimeInternal(); | |
| 227 return std::isnan(time) ? 0 : time; | |
| 228 } | |
| 229 | |
| 230 void AnimationTimeline::PauseAnimationsForTesting(double pause_time) { | |
| 231 for (const auto& animation : animations_needing_update_) | |
| 232 animation->PauseForTesting(pause_time); | |
| 233 ServiceAnimations(kTimingUpdateOnDemand); | |
| 234 } | |
| 235 | |
| 236 bool AnimationTimeline::NeedsAnimationTimingUpdate() { | |
| 237 if (CurrentTimeInternal() == last_current_time_internal_) | |
| 238 return false; | |
| 239 | |
| 240 if (std::isnan(CurrentTimeInternal()) && | |
| 241 std::isnan(last_current_time_internal_)) | |
| 242 return false; | |
| 243 | |
| 244 // We allow m_lastCurrentTimeInternal to advance here when there | |
| 245 // are no animations to allow animations spawned during style | |
| 246 // recalc to not invalidate this flag. | |
| 247 if (animations_needing_update_.IsEmpty()) | |
| 248 last_current_time_internal_ = CurrentTimeInternal(); | |
| 249 | |
| 250 return !animations_needing_update_.IsEmpty(); | |
| 251 } | |
| 252 | |
| 253 void AnimationTimeline::ClearOutdatedAnimation(Animation* animation) { | |
| 254 DCHECK(!animation->Outdated()); | |
| 255 outdated_animation_count_--; | |
| 256 } | |
| 257 | |
| 258 void AnimationTimeline::SetOutdatedAnimation(Animation* animation) { | |
| 259 DCHECK(animation->Outdated()); | |
| 260 outdated_animation_count_++; | |
| 261 animations_needing_update_.insert(animation); | |
| 262 if (IsActive() && !document_->GetPage()->Animator().IsServicingAnimations()) | |
| 263 timing_->ServiceOnNextFrame(); | |
| 264 } | |
| 265 | |
| 266 void AnimationTimeline::SetPlaybackRate(double playback_rate) { | |
| 267 if (!IsActive()) | |
| 268 return; | |
| 269 double current_time = CurrentTimeInternal(); | |
| 270 playback_rate_ = playback_rate; | |
| 271 zero_time_ = playback_rate == 0 | |
| 272 ? current_time | |
| 273 : GetDocument()->GetAnimationClock().CurrentTime() - | |
| 274 current_time / playback_rate; | |
| 275 zero_time_initialized_ = true; | |
| 276 | |
| 277 // Corresponding compositor animation may need to be restarted to pick up | |
| 278 // the new playback rate. Marking the effect changed forces this. | |
| 279 SetAllCompositorPending(true); | |
| 280 } | |
| 281 | |
| 282 void AnimationTimeline::SetAllCompositorPending(bool source_changed) { | |
| 283 for (const auto& animation : animations_) { | |
| 284 animation->SetCompositorPending(source_changed); | |
| 285 } | |
| 286 } | |
| 287 | |
| 288 double AnimationTimeline::PlaybackRate() const { | |
| 289 return playback_rate_; | |
| 290 } | |
| 291 | |
| 292 void AnimationTimeline::InvalidateKeyframeEffects(const TreeScope& tree_scope) { | |
| 293 for (const auto& animation : animations_) | |
| 294 animation->InvalidateKeyframeEffect(tree_scope); | |
| 295 } | |
| 296 | |
| 297 DEFINE_TRACE(AnimationTimeline) { | |
| 298 visitor->Trace(document_); | |
| 299 visitor->Trace(timing_); | |
| 300 visitor->Trace(animations_needing_update_); | |
| 301 visitor->Trace(animations_); | |
| 302 SuperAnimationTimeline::Trace(visitor); | |
| 303 } | |
| 304 | |
| 305 } // namespace blink | |
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Chromium Code Reviews
Issue 2948193002:
Merge AnimationTimeline and DocumentTimeline (Closed)
