CC Animation: Let MutatorHostClient deals with elements instead of layers.

cc/trees/layer_tree_impl.cc

 // Copyright 2011 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/trees/layer_tree_impl.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 999 matching lines @@
 }
 
 bool LayerTreeImpl::LayerNeedsPushPropertiesForTesting(LayerImpl* layer) {
   return layers_that_should_push_properties_.find(layer) !=
          layers_that_should_push_properties_.end();
 }
 
 void LayerTreeImpl::RegisterLayer(LayerImpl* layer) {
   DCHECK(!LayerById(layer->id()));
   layer_id_map_[layer->id()] = layer;
-  layer_tree_host_impl_->animation_host()->RegisterLayer(
+  layer_tree_host_impl_->animation_host()->RegisterElement(
       layer->id(),
-      IsActiveTree() ? LayerTreeType::ACTIVE : LayerTreeType::PENDING);
+      IsActiveTree() ? ElementListType::ACTIVE : ElementListType::PENDING);
 }
 
 void LayerTreeImpl::UnregisterLayer(LayerImpl* layer) {
   DCHECK(LayerById(layer->id()));
-  layer_tree_host_impl_->animation_host()->UnregisterLayer(
+  layer_tree_host_impl_->animation_host()->UnregisterElement(
       layer->id(),
-      IsActiveTree() ? LayerTreeType::ACTIVE : LayerTreeType::PENDING);
+      IsActiveTree() ? ElementListType::ACTIVE : ElementListType::PENDING);
   layer_id_map_.erase(layer->id());
   DCHECK_NE(root_layer_, layer);
 }
 
 // These manage ownership of the LayerImpl.
 void LayerTreeImpl::AddLayer(std::unique_ptr<LayerImpl> layer) {
   DCHECK(std::find(layers_->begin(), layers_->end(), layer) == layers_->end());
   layers_->push_back(std::move(layer));
   set_needs_update_draw_properties();
 }
@@ skipping 888 matching lines @@
     std::unique_ptr<PendingPageScaleAnimation> pending_animation) {
   pending_page_scale_animation_ = std::move(pending_animation);
 }
 
 std::unique_ptr<PendingPageScaleAnimation>
 LayerTreeImpl::TakePendingPageScaleAnimation() {
   return std::move(pending_page_scale_animation_);
 }
 
 bool LayerTreeImpl::IsAnimatingFilterProperty(const LayerImpl* layer) const {
-  LayerTreeType tree_type =
-      IsActiveTree() ? LayerTreeType::ACTIVE : LayerTreeType::PENDING;
+  ElementListType list_type =
+      IsActiveTree() ? ElementListType::ACTIVE : ElementListType::PENDING;
   return layer_tree_host_impl_->animation_host()->IsAnimatingFilterProperty(
-      layer->id(), tree_type);
+      layer->id(), list_type);
 }
 
 bool LayerTreeImpl::IsAnimatingOpacityProperty(const LayerImpl* layer) const {
-  LayerTreeType tree_type =
-      IsActiveTree() ? LayerTreeType::ACTIVE : LayerTreeType::PENDING;
+  ElementListType list_type =
+      IsActiveTree() ? ElementListType::ACTIVE : ElementListType::PENDING;
   return layer_tree_host_impl_->animation_host()->IsAnimatingOpacityProperty(
-      layer->id(), tree_type);
+      layer->id(), list_type);
 }
 
 bool LayerTreeImpl::IsAnimatingTransformProperty(const LayerImpl* layer) const {
-  LayerTreeType tree_type =
-      IsActiveTree() ? LayerTreeType::ACTIVE : LayerTreeType::PENDING;
+  ElementListType list_type =
+      IsActiveTree() ? ElementListType::ACTIVE : ElementListType::PENDING;
   return layer_tree_host_impl_->animation_host()->IsAnimatingTransformProperty(
-      layer->id(), tree_type);
+      layer->id(), list_type);
 }
 
 bool LayerTreeImpl::HasPotentiallyRunningFilterAnimation(
     const LayerImpl* layer) const {
-  LayerTreeType tree_type =
-      IsActiveTree() ? LayerTreeType::ACTIVE : LayerTreeType::PENDING;
+  ElementListType list_type =
+      IsActiveTree() ? ElementListType::ACTIVE : ElementListType::PENDING;
   return layer_tree_host_impl_->animation_host()
-      ->HasPotentiallyRunningFilterAnimation(layer->id(), tree_type);
+      ->HasPotentiallyRunningFilterAnimation(layer->id(), list_type);
 }
 
 bool LayerTreeImpl::HasPotentiallyRunningOpacityAnimation(
     const LayerImpl* layer) const {
-  LayerTreeType tree_type =
-      IsActiveTree() ? LayerTreeType::ACTIVE : LayerTreeType::PENDING;
+  ElementListType list_type =
+      IsActiveTree() ? ElementListType::ACTIVE : ElementListType::PENDING;
   return layer_tree_host_impl_->animation_host()
-      ->HasPotentiallyRunningOpacityAnimation(layer->id(), tree_type);
+      ->HasPotentiallyRunningOpacityAnimation(layer->id(), list_type);
 }
 
 bool LayerTreeImpl::HasPotentiallyRunningTransformAnimation(
     const LayerImpl* layer) const {
-  LayerTreeType tree_type =
-      IsActiveTree() ? LayerTreeType::ACTIVE : LayerTreeType::PENDING;
+  ElementListType list_type =
+      IsActiveTree() ? ElementListType::ACTIVE : ElementListType::PENDING;
   return layer_tree_host_impl_->animation_host()
-      ->HasPotentiallyRunningTransformAnimation(layer->id(), tree_type);
+      ->HasPotentiallyRunningTransformAnimation(layer->id(), list_type);
 }
 
 bool LayerTreeImpl::HasAnyAnimationTargetingProperty(
     const LayerImpl* layer,
     TargetProperty::Type property) const {
   return layer_tree_host_impl_->animation_host()
       ->HasAnyAnimationTargetingProperty(layer->id(), property);
 }
 
 bool LayerTreeImpl::FilterIsAnimatingOnImplOnly(const LayerImpl* layer) const {
@@ skipping 18 matching lines @@
       ->TransformIsAnimatingOnImplOnly(layer->id());
 }
 
 bool LayerTreeImpl::AnimationsPreserveAxisAlignment(
     const LayerImpl* layer) const {
   return layer_tree_host_impl_->animation_host()
       ->AnimationsPreserveAxisAlignment(layer->id());
 }
 
 bool LayerTreeImpl::HasOnlyTranslationTransforms(const LayerImpl* layer) const {
-  LayerTreeType tree_type =
-      IsActiveTree() ? LayerTreeType::ACTIVE : LayerTreeType::PENDING;
+  ElementListType list_type =
+      IsActiveTree() ? ElementListType::ACTIVE : ElementListType::PENDING;
   return layer_tree_host_impl_->animation_host()->HasOnlyTranslationTransforms(
-      layer->id(), tree_type);
+      layer->id(), list_type);
 }
 
 bool LayerTreeImpl::MaximumTargetScale(const LayerImpl* layer,
                                        float* max_scale) const {
   *max_scale = 0.f;
-  LayerTreeType tree_type =
-      IsActiveTree() ? LayerTreeType::ACTIVE : LayerTreeType::PENDING;
+  ElementListType list_type =
+      IsActiveTree() ? ElementListType::ACTIVE : ElementListType::PENDING;
   return layer_tree_host_impl_->animation_host()->MaximumTargetScale(
-      layer->id(), tree_type, max_scale);
+      layer->id(), list_type, max_scale);
 }
 
 bool LayerTreeImpl::AnimationStartScale(const LayerImpl* layer,
                                         float* start_scale) const {
   *start_scale = 0.f;
-  LayerTreeType tree_type =
-      IsActiveTree() ? LayerTreeType::ACTIVE : LayerTreeType::PENDING;
+  ElementListType list_type =
+      IsActiveTree() ? ElementListType::ACTIVE : ElementListType::PENDING;
   return layer_tree_host_impl_->animation_host()->AnimationStartScale(
-      layer->id(), tree_type, start_scale);
+      layer->id(), list_type, start_scale);
 }
 
 bool LayerTreeImpl::HasFilterAnimationThatInflatesBounds(
     const LayerImpl* layer) const {
   return layer_tree_host_impl_->animation_host()
       ->HasFilterAnimationThatInflatesBounds(layer->id());
 }
 
 bool LayerTreeImpl::HasTransformAnimationThatInflatesBounds(
     const LayerImpl* layer) const {
@@ skipping 28 matching lines @@
 }
 
 void LayerTreeImpl::ResetAllChangeTracking(PropertyTrees::ResetFlags flag) {
   layers_that_should_push_properties_.clear();
   for (auto* layer : *this)
     layer->ResetChangeTracking();
   property_trees_.ResetAllChangeTracking(flag);
 }
 
 }  // namespace cc