| // Copyright 2015 The Chromium Authors. All rights reserved. |
| // 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 "cc/animation/animation.h" |
| #include "cc/animation/animation_host.h" |
| |
| namespace cc { |
| |
| scoped_refptr<AnimationTimeline> AnimationTimeline::Create(int id) { |
| return base::WrapRefCounted(new AnimationTimeline(id)); |
| } |
| |
| AnimationTimeline::AnimationTimeline(int id) |
| : id_(id), |
| animation_host_(), |
| needs_push_properties_(false), |
| is_impl_only_(false) {} |
| |
| AnimationTimeline::~AnimationTimeline() { |
| for (auto& kv : id_to_animation_map_) |
| 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) { |
| if (animation_host_ == animation_host) |
| return; |
| |
| animation_host_ = animation_host; |
| for (auto& kv : id_to_animation_map_) |
| 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_.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_.erase(animation->id()); |
| |
| SetNeedsPushProperties(); |
| } |
| |
| Animation* AnimationTimeline::GetAnimationById(int animation_id) const { |
| auto f = id_to_animation_map_.find(animation_id); |
| return f == id_to_animation_map_.end() ? nullptr : f->second.get(); |
| } |
| |
| void AnimationTimeline::ClearAnimations() { |
| for (auto& kv : id_to_animation_map_) |
| EraseAnimation(kv.second); |
| id_to_animation_map_.clear(); |
| |
| SetNeedsPushProperties(); |
| } |
| |
| void AnimationTimeline::SetNeedsPushProperties() { |
| needs_push_properties_ = true; |
| if (animation_host_) |
| animation_host_->SetNeedsPushProperties(); |
| } |
| |
| void AnimationTimeline::PushPropertiesTo(AnimationTimeline* timeline_impl) { |
| if (needs_push_properties_) { |
| needs_push_properties_ = false; |
| PushAttachedAnimationsToImplThread(timeline_impl); |
| RemoveDetachedAnimationsFromImplThread(timeline_impl); |
| PushPropertiesToImplThread(timeline_impl); |
| } |
| } |
| |
| void AnimationTimeline::PushAttachedAnimationsToImplThread( |
| AnimationTimeline* timeline_impl) const { |
| for (auto& kv : id_to_animation_map_) { |
| 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_; |
| |
| // 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->has_element_animations()) |
| animation->DetachElement(); |
| animation->SetAnimationTimeline(nullptr); |
| animation->SetAnimationHost(nullptr); |
| } |
| |
| void AnimationTimeline::PushPropertiesToImplThread( |
| AnimationTimeline* timeline_impl) { |
| for (auto& kv : id_to_animation_map_) { |
| Animation* animation = kv.second.get(); |
| if (Animation* animation_impl = |
| timeline_impl->GetAnimationById(animation->id())) { |
| animation->PushPropertiesTo(animation_impl); |
| } |
| } |
| } |
| |
| } // namespace cc |