| // 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_player.h" |
| |
| namespace cc { |
| |
| scoped_refptr<AnimationTimeline> AnimationTimeline::Create(int id) { |
| return make_scoped_refptr(new AnimationTimeline(id)); |
| } |
| |
| AnimationTimeline::AnimationTimeline(int id) |
| : id_(id), animation_host_(), is_impl_only_(false) { |
| } |
| |
| AnimationTimeline::~AnimationTimeline() { |
| for (auto& player : players_) |
| player->SetAnimationTimeline(nullptr); |
| } |
| |
| scoped_refptr<AnimationTimeline> AnimationTimeline::CreateImplInstance() const { |
| scoped_refptr<AnimationTimeline> timeline = AnimationTimeline::Create(id()); |
| return timeline; |
| } |
| |
| void AnimationTimeline::SetAnimationHost(AnimationHost* animation_host) { |
| animation_host_ = animation_host; |
| for (auto& player : players_) |
| player->SetAnimationHost(animation_host); |
| } |
| |
| void AnimationTimeline::AttachPlayer(scoped_refptr<AnimationPlayer> player) { |
| player->SetAnimationHost(animation_host_); |
| |
| player->SetAnimationTimeline(this); |
| players_.push_back(player); |
| } |
| |
| void AnimationTimeline::DetachPlayer(scoped_refptr<AnimationPlayer> player) { |
| for (AnimationPlayerList::iterator iter = players_.begin(); |
| iter != players_.end(); ++iter) { |
| if (iter->get() != player) |
| continue; |
| |
| ErasePlayers(iter, iter + 1); |
| break; |
| } |
| |
| player->SetAnimationHost(nullptr); |
| } |
| |
| AnimationPlayer* AnimationTimeline::GetPlayerById(int player_id) const { |
| for (auto& player : players_) |
| if (player->id() == player_id) |
| return player.get(); |
| return nullptr; |
| } |
| |
| void AnimationTimeline::ClearPlayers() { |
| ErasePlayers(players_.begin(), players_.end()); |
| } |
| |
| void AnimationTimeline::PushPropertiesTo(AnimationTimeline* timeline_impl) { |
| PushAttachedPlayersToImplThread(timeline_impl); |
| RemoveDetachedPlayersFromImplThread(timeline_impl); |
| PushPropertiesToImplThread(timeline_impl); |
| } |
| |
| void AnimationTimeline::PushAttachedPlayersToImplThread( |
| AnimationTimeline* timeline_impl) const { |
| for (auto& player : players_) { |
| AnimationPlayer* player_impl = timeline_impl->GetPlayerById(player->id()); |
| if (player_impl) |
| continue; |
| |
| scoped_refptr<AnimationPlayer> to_add = player->CreateImplInstance(); |
| timeline_impl->AttachPlayer(to_add.get()); |
| } |
| } |
| |
| void AnimationTimeline::RemoveDetachedPlayersFromImplThread( |
| AnimationTimeline* timeline_impl) const { |
| AnimationPlayerList& players_impl = timeline_impl->players_; |
| |
| auto to_erase = |
| std::partition(players_impl.begin(), players_impl.end(), |
| [this](AnimationPlayerList::value_type player_impl) { |
| return GetPlayerById(player_impl->id()); |
| }); |
| |
| timeline_impl->ErasePlayers(to_erase, players_impl.end()); |
| } |
| |
| void AnimationTimeline::ErasePlayers(AnimationPlayerList::iterator begin, |
| AnimationPlayerList::iterator end) { |
| for (auto i = begin; i != end; ++i) { |
| auto& player = *i; |
| if (player->element_animations()) |
| player->DetachLayer(); |
| player->SetAnimationTimeline(nullptr); |
| } |
| |
| players_.erase(begin, end); |
| } |
| |
| void AnimationTimeline::PushPropertiesToImplThread( |
| AnimationTimeline* timeline_impl) { |
| for (auto& player : players_) { |
| AnimationPlayer* player_impl = timeline_impl->GetPlayerById(player->id()); |
| if (player_impl) |
| player->PushPropertiesTo(player_impl); |
| } |
| } |
| |
| } // namespace cc |