CC Animation: Erase old animation system.

cc/layers/layer_impl.cc

 // Copyright 2012 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/layers/layer_impl.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <utility>
 
 #include "base/json/json_reader.h"
 #include "base/numerics/safe_conversions.h"
 #include "base/strings/stringprintf.h"
 #include "base/trace_event/trace_event.h"
 #include "base/trace_event/trace_event_argument.h"
 #include "cc/animation/animation_host.h"
-#include "cc/animation/animation_registrar.h"
 #include "cc/animation/mutable_properties.h"
 #include "cc/base/math_util.h"
 #include "cc/base/simple_enclosed_region.h"
 #include "cc/debug/debug_colors.h"
 #include "cc/debug/layer_tree_debug_state.h"
 #include "cc/debug/micro_benchmark_impl.h"
 #include "cc/debug/traced_value.h"
 #include "cc/input/main_thread_scrolling_reason.h"
 #include "cc/input/scroll_state.h"
 #include "cc/layers/layer.h"
@@ skipping 59 matching lines @@
       element_id_(0),
       mutable_properties_(MutableProperty::kNone),
       debug_info_(nullptr),
       force_render_surface_(false),
       frame_timing_requests_dirty_(false),
       visited_(false),
       layer_or_descendant_is_drawn_(false),
       layer_or_descendant_has_touch_handler_(false),
       sorted_for_recursion_(false) {
   DCHECK_GT(layer_id_, 0);
+
   DCHECK(layer_tree_impl_);
   layer_tree_impl_->RegisterLayer(this);
-
-  if (!layer_tree_impl_->settings().use_compositor_animation_timelines) {
-    AnimationRegistrar* registrar = layer_tree_impl_->GetAnimationRegistrar();
-    layer_animation_controller_ =
-        registrar->GetAnimationControllerForId(layer_id_);
-    layer_animation_controller_->AddValueObserver(this);
-    if (IsActive()) {
-      layer_animation_controller_->set_value_provider(this);
-      layer_animation_controller_->set_layer_animation_delegate(this);
-    }
-  }
-
   layer_tree_impl_->AddToElementMap(this);
 
   SetNeedsPushProperties();
 }
 
 LayerImpl::~LayerImpl() {
   DCHECK_EQ(DRAW_MODE_NONE, current_draw_mode_);
 
-  if (layer_animation_controller_) {
-    layer_animation_controller_->RemoveValueObserver(this);
-    layer_animation_controller_->remove_value_provider(this);
-    layer_animation_controller_->remove_layer_animation_delegate(this);
-  }
-
   if (!copy_requests_.empty() && layer_tree_impl_->IsActiveTree())
     layer_tree_impl()->RemoveLayerWithCopyOutputRequest(this);
   layer_tree_impl_->UnregisterScrollLayer(this);
   layer_tree_impl_->UnregisterLayer(this);
   layer_tree_impl_->RemoveLayerShouldPushProperties(this);
 
   layer_tree_impl_->RemoveFromElementMap(this);
 
   TRACE_EVENT_OBJECT_DELETED_WITH_ID(
       TRACE_DISABLED_BY_DEFAULT("cc.debug"), "cc::LayerImpl", this);
@@ skipping 352 matching lines @@
     uint32_t main_thread_scrolling_reasons) {
   if (main_thread_scrolling_reasons_ == main_thread_scrolling_reasons)
     return;
 
   if (main_thread_scrolling_reasons &
           MainThreadScrollingReason::kHasNonLayerViewportConstrainedObjects &&
       layer_tree_impl()) {
     if (layer_tree_impl()->ScrollOffsetIsAnimatingOnImplOnly(this)) {
       layer_tree_impl()->animation_host()->ScrollAnimationAbort(
           true /* needs_completion */);
-    } else if (layer_animation_controller()) {
-      layer_animation_controller()->AbortAnimations(
-          TargetProperty::SCROLL_OFFSET);
     }
   }
 
   main_thread_scrolling_reasons_ = main_thread_scrolling_reasons;
 }
 
 void LayerImpl::PushPropertiesTo(LayerImpl* layer) {
   layer->SetTransformOrigin(transform_origin_);
   layer->SetBackgroundColor(background_color_);
   layer->SetSafeOpaqueBackgroundColor(safe_opaque_background_color_);
@@ skipping 434 matching lines @@
   // layers in the pending tree will find out about these changes as a
   // result of the shared SyncedProperty.
   if (!IsActive())
     return;
 
   SetCurrentScrollOffset(scroll_offset);
 
   layer_tree_impl_->DidAnimateScrollOffset();
 }
 
-void LayerImpl::OnAnimationWaitingForDeletion() {}
-
 void LayerImpl::OnTransformIsPotentiallyAnimatingChanged(bool is_animating) {
   UpdatePropertyTreeTransformIsAnimated(is_animating);
   was_ever_ready_since_last_transform_animation_ = false;
 }
 
 bool LayerImpl::IsActive() const {
   return layer_tree_impl_->IsActiveTree();
 }
 
 gfx::Size LayerImpl::bounds() const {
@@ skipping 144 matching lines @@
 }
 
 void LayerImpl::SetFilters(const FilterOperations& filters) {
   if (filters_ == filters)
     return;
 
   filters_ = filters;
 }
 
 bool LayerImpl::FilterIsAnimating() const {
-  LayerAnimationController::ObserverType observer_type =
-      IsActive() ? LayerAnimationController::ObserverType::ACTIVE
-                 : LayerAnimationController::ObserverType::PENDING;
-  return layer_animation_controller_
-             ? layer_animation_controller_->IsCurrentlyAnimatingProperty(
-                   TargetProperty::FILTER, observer_type)
-             : layer_tree_impl_->IsAnimatingFilterProperty(this);
+  return layer_tree_impl_->IsAnimatingFilterProperty(this);
 }
 
 bool LayerImpl::HasPotentiallyRunningFilterAnimation() const {
-  LayerAnimationController::ObserverType observer_type =
-      IsActive() ? LayerAnimationController::ObserverType::ACTIVE
-                 : LayerAnimationController::ObserverType::PENDING;
-  return layer_animation_controller_
-             ? layer_animation_controller_->IsPotentiallyAnimatingProperty(
-                   TargetProperty::FILTER, observer_type)
-             : layer_tree_impl_->HasPotentiallyRunningFilterAnimation(this);
+  return layer_tree_impl_->HasPotentiallyRunningFilterAnimation(this);
 }
 
 bool LayerImpl::FilterIsAnimatingOnImplOnly() const {
-  if (!layer_animation_controller_)
-    return layer_tree_impl_->FilterIsAnimatingOnImplOnly(this);
-
-  Animation* filter_animation =
-      layer_animation_controller_->GetAnimation(TargetProperty::FILTER);
-  return filter_animation && filter_animation->is_impl_only();
+  return layer_tree_impl_->FilterIsAnimatingOnImplOnly(this);
 }
 
 void LayerImpl::SetBackgroundFilters(
     const FilterOperations& filters) {
   if (background_filters_ == filters)
     return;
 
   background_filters_ = filters;
   NoteLayerPropertyChanged();
 }
@@ skipping 17 matching lines @@
     return;
 
   opacity_ = opacity;
 }
 
 float LayerImpl::EffectiveOpacity() const {
   return hide_layer_and_subtree_ ? 0.f : opacity_;
 }
 
 bool LayerImpl::OpacityIsAnimating() const {
-  LayerAnimationController::ObserverType observer_type =
-      IsActive() ? LayerAnimationController::ObserverType::ACTIVE
-                 : LayerAnimationController::ObserverType::PENDING;
-  return layer_animation_controller_
-             ? layer_animation_controller_->IsCurrentlyAnimatingProperty(
-                   TargetProperty::OPACITY, observer_type)
-             : layer_tree_impl_->IsAnimatingOpacityProperty(this);
+  return layer_tree_impl_->IsAnimatingOpacityProperty(this);
 }
 
 bool LayerImpl::HasPotentiallyRunningOpacityAnimation() const {
-  LayerAnimationController::ObserverType observer_type =
-      IsActive() ? LayerAnimationController::ObserverType::ACTIVE
-                 : LayerAnimationController::ObserverType::PENDING;
-  return layer_animation_controller_
-             ? layer_animation_controller_->IsPotentiallyAnimatingProperty(
-                   TargetProperty::OPACITY, observer_type)
-             : layer_tree_impl_->HasPotentiallyRunningOpacityAnimation(this);
+  return layer_tree_impl_->HasPotentiallyRunningOpacityAnimation(this);
 }
 
 bool LayerImpl::OpacityIsAnimatingOnImplOnly() const {
-  if (!layer_animation_controller_)
-    return layer_tree_impl_->OpacityIsAnimatingOnImplOnly(this);
-
-  Animation* opacity_animation =
-      layer_animation_controller_->GetAnimation(TargetProperty::OPACITY);
-  return opacity_animation && opacity_animation->is_impl_only();
+  return layer_tree_impl_->OpacityIsAnimatingOnImplOnly(this);
 }
 
 void LayerImpl::SetElementId(uint64_t element_id) {
   if (element_id == element_id_)
     return;
 
   TRACE_EVENT1(TRACE_DISABLED_BY_DEFAULT("compositor-worker"),
                "LayerImpl::SetElementId", "id", element_id);
 
   layer_tree_impl_->RemoveFromElementMap(this);
@@ skipping 85 matching lines @@
   if (transform_ == transform) {
     DCHECK(transform_is_invertible_ == transform_is_invertible)
         << "Can't change invertibility if transform is unchanged";
     return;
   }
   transform_ = transform;
   transform_is_invertible_ = transform_is_invertible;
 }
 
 bool LayerImpl::TransformIsAnimating() const {
-  LayerAnimationController::ObserverType observer_type =
-      IsActive() ? LayerAnimationController::ObserverType::ACTIVE
-                 : LayerAnimationController::ObserverType::PENDING;
-  return layer_animation_controller_
-             ? layer_animation_controller_->IsCurrentlyAnimatingProperty(
-                   TargetProperty::TRANSFORM, observer_type)
-             : layer_tree_impl_->IsAnimatingTransformProperty(this);
+  return layer_tree_impl_->IsAnimatingTransformProperty(this);
 }
 
 bool LayerImpl::HasPotentiallyRunningTransformAnimation() const {
-  LayerAnimationController::ObserverType observer_type =
-      IsActive() ? LayerAnimationController::ObserverType::ACTIVE
-                 : LayerAnimationController::ObserverType::PENDING;
-  return layer_animation_controller_
-             ? layer_animation_controller_->IsPotentiallyAnimatingProperty(
-                   TargetProperty::TRANSFORM, observer_type)
-             : layer_tree_impl_->HasPotentiallyRunningTransformAnimation(this);
+  return layer_tree_impl_->HasPotentiallyRunningTransformAnimation(this);
 }
 
 bool LayerImpl::TransformIsAnimatingOnImplOnly() const {
-  if (!layer_animation_controller_)
-    return layer_tree_impl_->TransformIsAnimatingOnImplOnly(this);
-
-  Animation* transform_animation =
-      layer_animation_controller_->GetAnimation(TargetProperty::TRANSFORM);
-  return transform_animation && transform_animation->is_impl_only();
+  return layer_tree_impl_->TransformIsAnimatingOnImplOnly(this);
 }
 
 bool LayerImpl::HasOnlyTranslationTransforms() const {
-  if (!layer_animation_controller_)
-    return layer_tree_impl_->HasOnlyTranslationTransforms(this);
-
-  LayerAnimationController::ObserverType observer_type =
-      IsActive() ? LayerAnimationController::ObserverType::ACTIVE
-                 : LayerAnimationController::ObserverType::PENDING;
-  return layer_animation_controller_->HasOnlyTranslationTransforms(
-      observer_type);
+  return layer_tree_impl_->HasOnlyTranslationTransforms(this);
 }
 
 bool LayerImpl::AnimationsPreserveAxisAlignment() const {
-  return layer_animation_controller_
-             ? layer_animation_controller_->AnimationsPreserveAxisAlignment()
-             : layer_tree_impl_->AnimationsPreserveAxisAlignment(this);
+  return layer_tree_impl_->AnimationsPreserveAxisAlignment(this);
 }
 
 bool LayerImpl::MaximumTargetScale(float* max_scale) const {
-  if (!layer_animation_controller_)
-    return layer_tree_impl_->MaximumTargetScale(this, max_scale);
-
-  LayerAnimationController::ObserverType observer_type =
-      IsActive() ? LayerAnimationController::ObserverType::ACTIVE
-                 : LayerAnimationController::ObserverType::PENDING;
-  return layer_animation_controller_->MaximumTargetScale(observer_type,
-                                                         max_scale);
+  return layer_tree_impl_->MaximumTargetScale(this, max_scale);
 }
 
 bool LayerImpl::AnimationStartScale(float* start_scale) const {
-  if (!layer_animation_controller_)
-    return layer_tree_impl_->AnimationStartScale(this, start_scale);
-
-  LayerAnimationController::ObserverType observer_type =
-      IsActive() ? LayerAnimationController::ObserverType::ACTIVE
-                 : LayerAnimationController::ObserverType::PENDING;
-  return layer_animation_controller_->AnimationStartScale(observer_type,
-                                                          start_scale);
+  return layer_tree_impl_->AnimationStartScale(this, start_scale);
 }
 
 bool LayerImpl::HasAnyAnimationTargetingProperty(
     TargetProperty::Type property) const {
-  if (!layer_animation_controller_)
-    return layer_tree_impl_->HasAnyAnimationTargetingProperty(this, property);
-
-  return !!layer_animation_controller_->GetAnimation(property);
+  return layer_tree_impl_->HasAnyAnimationTargetingProperty(this, property);
 }
 
 bool LayerImpl::HasFilterAnimationThatInflatesBounds() const {
-  if (!layer_animation_controller_)
-    return layer_tree_impl_->HasFilterAnimationThatInflatesBounds(this);
-
-  return layer_animation_controller_->HasFilterAnimationThatInflatesBounds();
+  return layer_tree_impl_->HasFilterAnimationThatInflatesBounds(this);
 }
 
 bool LayerImpl::HasTransformAnimationThatInflatesBounds() const {
-  if (!layer_animation_controller_)
-    return layer_tree_impl_->HasTransformAnimationThatInflatesBounds(this);
-
-  return layer_animation_controller_->HasTransformAnimationThatInflatesBounds();
+  return layer_tree_impl_->HasTransformAnimationThatInflatesBounds(this);
 }
 
 bool LayerImpl::HasAnimationThatInflatesBounds() const {
-  if (!layer_animation_controller_)
-    return layer_tree_impl_->HasAnimationThatInflatesBounds(this);
-
-  return layer_animation_controller_->HasAnimationThatInflatesBounds();
+  return layer_tree_impl_->HasAnimationThatInflatesBounds(this);
 }
 
 bool LayerImpl::FilterAnimationBoundsForBox(const gfx::BoxF& box,
                                             gfx::BoxF* bounds) const {
-  if (!layer_animation_controller_)
-    return layer_tree_impl_->FilterAnimationBoundsForBox(this, box, bounds);
-
-  return layer_animation_controller_->FilterAnimationBoundsForBox(box, bounds);
+  return layer_tree_impl_->FilterAnimationBoundsForBox(this, box, bounds);
 }
 
 bool LayerImpl::TransformAnimationBoundsForBox(const gfx::BoxF& box,
                                                gfx::BoxF* bounds) const {
-  if (!layer_animation_controller_)
-    return layer_tree_impl_->TransformAnimationBoundsForBox(this, box, bounds);
-
-  return layer_animation_controller_->TransformAnimationBoundsForBox(box,
-                                                                     bounds);
+  return layer_tree_impl_->TransformAnimationBoundsForBox(this, box, bounds);
 }
 
 void LayerImpl::SetUpdateRect(const gfx::Rect& update_rect) {
   update_rect_ = update_rect;
   SetNeedsPushProperties();
 }
 
 void LayerImpl::AddDamageRect(const gfx::Rect& damage_rect) {
   damage_rect_.Union(damage_rect);
 }
@@ skipping 200 matching lines @@
 
   if (scroll_parent_)
     state->SetInteger("scroll_parent", scroll_parent_->id());
 
   if (clip_parent_)
     state->SetInteger("clip_parent", clip_parent_->id());
 
   state->SetBoolean("can_use_lcd_text", can_use_lcd_text());
   state->SetBoolean("contents_opaque", contents_opaque());
 
-  state->SetBoolean(
-      "has_animation_bounds",
-      layer_animation_controller_
-          ? layer_animation_controller_->HasAnimationThatInflatesBounds()
-          : layer_tree_impl_->HasAnimationThatInflatesBounds(this));
+  state->SetBoolean("has_animation_bounds",
+                    layer_tree_impl_->HasAnimationThatInflatesBounds(this));
 
   gfx::BoxF box;
   if (LayerUtils::GetAnimationBounds(*this, &box))
     MathUtil::AddToTracedValue("animation_bounds", box, state);
 
   if (debug_info_) {
     std::string str;
     debug_info_->AppendAsTraceFormat(&str);
     base::JSONReader json_reader;
     scoped_ptr<base::Value> debug_info_value(json_reader.ReadToValue(str));
@@ skipping 32 matching lines @@
 size_t LayerImpl::GPUMemoryUsageInBytes() const { return 0; }
 
 void LayerImpl::RunMicroBenchmark(MicroBenchmarkImpl* benchmark) {
   benchmark->RunOnLayer(this);
 }
 
 int LayerImpl::NumDescendantsThatDrawContent() const {
   return num_descendants_that_draw_content_;
 }
 
-void LayerImpl::NotifyAnimationFinished(base::TimeTicks monotonic_time,

[loyso (OOO), 2016/03/09 06:17:03]

Once again:
This one is non obvious:
Erased in favor for LayerTreeHostImpl::ScrollOffsetAnimationFinished (that's a
copy-paste).
See cc::AnimationHost::ScrollOffsetAnimations::NotifyAnimationFinished and
MutatorHostClient::ScrollOffsetAnimationFinished if interested.

-                                        TargetProperty::Type target_property,
-                                        int group) {
-  if (target_property == TargetProperty::SCROLL_OFFSET)
-    layer_tree_impl_->InputScrollAnimationFinished();
-}
-
 void LayerImpl::SetHasRenderSurface(bool should_have_render_surface) {
   if (!!render_surface() == should_have_render_surface)
     return;
 
   SetNeedsPushProperties();
   if (should_have_render_surface) {
     render_surface_ = make_scoped_ptr(new RenderSurfaceImpl(this));
     return;
   }
   render_surface_.reset();
@@ skipping 67 matching lines @@
            .layer_transforms_should_scale_layer_contents) {
     return default_scale;
   }
 
   gfx::Vector2dF transform_scales = MathUtil::ComputeTransform2dScaleComponents(
       DrawTransform(), default_scale);
   return std::max(transform_scales.x(), transform_scales.y());
 }
 
 }  // namespace cc