| // Copyright 2015 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "cc/animation/animation_timeline.h" |
| |
| #include <algorithm> |
| #include <utility> |
| #include <vector> |
| |
| #include "base/time/time.h" |
| #include "cc/animation/animation.h" |
| #include "cc/animation/animation_host.h" |
| #include "cc/animation/keyframe_effect.h" |
| #include "cc/trees/property_tree.h" |
| |
| namespace cc { |
| |
| scoped_refptr<AnimationTimeline> AnimationTimeline::Create(int id, |
| bool impl_only) { |
| return base::WrapRefCounted(new AnimationTimeline(id, impl_only)); |
| } |
| |
| AnimationTimeline::AnimationTimeline(int id, bool is_impl_only) |
| : id_(id), |
| animation_host_(), |
| needs_push_properties_(false), |
| is_impl_only_(is_impl_only) {} |
| |
| AnimationTimeline::~AnimationTimeline() { |
| for (auto& kv : id_to_animation_map_.Read(*this)) { |
| kv.second->SetAnimationTimeline(nullptr); |
| } |
| } |
| |
| scoped_refptr<AnimationTimeline> AnimationTimeline::CreateImplInstance() const { |
| scoped_refptr<AnimationTimeline> timeline = AnimationTimeline::Create(id()); |
| return timeline; |
| } |
| |
| void AnimationTimeline::SetAnimationHost(AnimationHost* animation_host) { |
| DCHECK(!animation_host || animation_host->IsOwnerThread()); |
| |
| if (animation_host_ == animation_host) |
| return; |
| |
| WaitForProtectedSequenceCompletion(); |
| |
| animation_host_ = animation_host; |
| for (auto& kv : id_to_animation_map_.Write(*this)) { |
| kv.second->SetAnimationHost(animation_host); |
| } |
| |
| SetNeedsPushProperties(); |
| } |
| |
| void AnimationTimeline::AttachAnimation(scoped_refptr<Animation> animation) { |
| DCHECK(animation->id()); |
| animation->SetAnimationHost(animation_host()); |
| animation->SetAnimationTimeline(this); |
| id_to_animation_map_.Write(*this).insert( |
| std::make_pair(animation->id(), std::move(animation))); |
| |
| SetNeedsPushProperties(); |
| } |
| |
| void AnimationTimeline::DetachAnimation(scoped_refptr<Animation> animation) { |
| DCHECK(animation->id()); |
| EraseAnimation(animation); |
| id_to_animation_map_.Write(*this).erase(animation->id()); |
| |
| SetNeedsPushProperties(); |
| } |
| |
| Animation* AnimationTimeline::GetAnimationById(int animation_id) const { |
| auto f = id_to_animation_map_.Read(*this).find(animation_id); |
| return f == id_to_animation_map_.Read(*this).end() ? nullptr |
| : f->second.get(); |
| } |
| |
| void AnimationTimeline::ClearAnimations() { |
| for (auto& kv : id_to_animation_map_.Write(*this)) { |
| EraseAnimation(kv.second); |
| } |
| id_to_animation_map_.Write(*this).clear(); |
| |
| SetNeedsPushProperties(); |
| } |
| |
| bool AnimationTimeline::TickTimeLinkedAnimations( |
| const std::vector<scoped_refptr<Animation>>& ticking_animations, |
| base::TimeTicks monotonic_time, |
| bool tick_finished) { |
| DCHECK(!IsScrollTimeline()); |
| |
| bool animated = false; |
| for (auto& animation : ticking_animations) { |
| if (animation->animation_timeline() != this) |
| continue; |
| // Worklet animations are ticked separately by AnimationHost. |
| if (animation->IsWorkletAnimation()) |
| continue; |
| |
| // Scroll-linked animations are ticked separately. |
| if (animation->IsScrollLinkedAnimation()) |
| continue; |
| |
| if (!tick_finished && animation->keyframe_effect()->awaiting_deletion()) { |
| continue; |
| } |
| |
| animated |= animation->Tick(monotonic_time); |
| } |
| return animated; |
| } |
| |
| bool AnimationTimeline::TickScrollLinkedAnimations( |
| const std::vector<scoped_refptr<Animation>>& ticking_animations, |
| const ScrollTree& scroll_tree, |
| bool is_active_tree) { |
| return false; |
| } |
| |
| void AnimationTimeline::SetNeedsPushProperties() { |
| needs_push_properties_.Write(*this) = true; |
| if (animation_host()) { |
| animation_host()->SetNeedsPushProperties(); |
| } |
| } |
| |
| void AnimationTimeline::PushPropertiesTo(AnimationTimeline* timeline_impl) { |
| if (needs_push_properties_.Read(*this)) { |
| needs_push_properties_.Write(*this) = false; |
| PushAttachedAnimationsToImplThread(timeline_impl); |
| RemoveDetachedAnimationsFromImplThread(timeline_impl); |
| PushPropertiesToImplThread(timeline_impl); |
| } |
| } |
| |
| void AnimationTimeline::PushAttachedAnimationsToImplThread( |
| AnimationTimeline* timeline_impl) const { |
| for (auto& kv : id_to_animation_map_.Read(*this)) { |
| auto& animation = kv.second; |
| Animation* animation_impl = |
| timeline_impl->GetAnimationById(animation->id()); |
| if (animation_impl) |
| continue; |
| |
| scoped_refptr<Animation> to_add = animation->CreateImplInstance(); |
| timeline_impl->AttachAnimation(to_add.get()); |
| } |
| } |
| |
| void AnimationTimeline::RemoveDetachedAnimationsFromImplThread( |
| AnimationTimeline* timeline_impl) const { |
| IdToAnimationMap& animations_impl = |
| timeline_impl->id_to_animation_map_.Write(*this); |
| |
| // Erase all the impl animations which |this| doesn't have. |
| for (auto it = animations_impl.begin(); it != animations_impl.end();) { |
| if (GetAnimationById(it->second->id())) { |
| ++it; |
| } else { |
| timeline_impl->EraseAnimation(it->second); |
| it = animations_impl.erase(it); |
| } |
| } |
| } |
| |
| void AnimationTimeline::EraseAnimation(scoped_refptr<Animation> animation) { |
| if (animation->element_animations()) |
| animation->DetachElement(); |
| animation->SetAnimationHost(nullptr); |
| animation->SetAnimationTimeline(nullptr); |
| } |
| |
| void AnimationTimeline::PushPropertiesToImplThread( |
| AnimationTimeline* timeline_impl) { |
| for (auto& kv : id_to_animation_map_.Read(*this)) { |
| Animation* animation = kv.second.get(); |
| if (Animation* animation_impl = |
| timeline_impl->GetAnimationById(animation->id())) { |
| animation->PushPropertiesTo(animation_impl); |
| } |
| } |
| } |
| |
| bool AnimationTimeline::IsScrollTimeline() const { |
| return false; |
| } |
| |
| bool AnimationTimeline::IsLinkedToScroller(ElementId scroller) const { |
| return false; |
| } |
| |
| bool AnimationTimeline::IsOwnerThread() const { |
| return !animation_host_ || animation_host_->IsOwnerThread(); |
| } |
| |
| bool AnimationTimeline::InProtectedSequence() const { |
| return !animation_host_ || animation_host_->InProtectedSequence(); |
| } |
| |
| void AnimationTimeline::WaitForProtectedSequenceCompletion() const { |
| if (animation_host_) { |
| animation_host_->WaitForProtectedSequenceCompletion(); |
| } |
| } |
| |
| } // namespace cc |