CC Animations: Establish AnimationHost, AnimationTimeline and AnimationPlayer

cc/trees/layer_tree_host_impl.h

 // 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.
 
 #ifndef CC_TREES_LAYER_TREE_HOST_IMPL_H_
 #define CC_TREES_LAYER_TREE_HOST_IMPL_H_
 
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 17 matching lines @@
 #include "cc/output/begin_frame_args.h"
 #include "cc/output/managed_memory_policy.h"
 #include "cc/output/output_surface_client.h"
 #include "cc/output/renderer.h"
 #include "cc/quads/render_pass.h"
 #include "cc/resources/rasterizer.h"
 #include "cc/resources/resource_provider.h"
 #include "cc/resources/tile_manager.h"
 #include "cc/scheduler/commit_earlyout_reason.h"
 #include "cc/scheduler/draw_result.h"
+#include "cc/trees/layer_tree_mutators_client.h"
 #include "skia/ext/refptr.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/gfx/geometry/rect.h"
 
 namespace gfx {
 class ScrollOffset;
 }
 
 namespace cc {
 
@@ skipping 73 matching lines @@
 
 // LayerTreeHostImpl owns the LayerImpl trees as well as associated rendering
 // state.
 class CC_EXPORT LayerTreeHostImpl
     : public InputHandler,
       public RendererClient,
       public TileManagerClient,
       public OutputSurfaceClient,
       public TopControlsManagerClient,
       public ScrollbarAnimationControllerClient,
-      public base::SupportsWeakPtr<LayerTreeHostImpl> {
+      public base::SupportsWeakPtr<LayerTreeHostImpl>,
+      public LayerTreeMutatorsClient {
  public:
   static scoped_ptr<LayerTreeHostImpl> Create(
       const LayerTreeSettings& settings,
       LayerTreeHostImplClient* client,
       Proxy* proxy,
       RenderingStatsInstrumentation* rendering_stats_instrumentation,
       SharedBitmapManager* shared_bitmap_manager,
       gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager,
       int id);
   ~LayerTreeHostImpl() override;
@@ skipping 64 matching lines @@
   virtual void BeginMainFrameAborted(CommitEarlyOutReason reason);
   virtual void BeginCommit();
   virtual void CommitComplete();
   virtual void Animate(base::TimeTicks monotonic_time);
   virtual void UpdateAnimationState(bool start_ready_animations);
   void ActivateAnimations();
   void MainThreadHasStoppedFlinging();
   void DidAnimateScrollOffset();
   void SetViewportDamage(const gfx::Rect& damage_rect);
 
+  void SetAnimationTimeline(scoped_refptr<AnimationTimeline> timeline);
+
+  void SetTreeLayerFilterMutated(int layer_id,
+                                 LayerTreeImpl* tree,
+                                 const FilterOperations& filters);
+  void SetTreeLayerOpacityMutated(int layer_id,
+                                  LayerTreeImpl* tree,
+                                  float opacity);
+  void SetTreeLayerTransformMutated(int layer_id,
+                                    LayerTreeImpl* tree,
+                                    const gfx::Transform& transform);
+
+  // LayerTreeMutatorsClient implementation.
+  AnimationRegistrar* GetAnimationRegistrar() const override;
+  bool IsLayerInActiveTree(int layer_id) const override;
+  bool IsLayerInPendingTree(int layer_id) const override;
+  void SetMutatorsNeedCommit() override;
+  void SetLayerFilterMutated(int layer_id,
+                             bool affects_active_tree,
+                             const FilterOperations& filters) override;
+  void SetLayerOpacityMutated(int layer_id,
+                              bool affects_active_tree,
+                              float opacity) override;
+  void SetLayerTransformMutated(int layer_id,
+                                bool affects_active_tree,
+                                const gfx::Transform& transform) override;
+
   virtual void PrepareTiles();
 
   // Returns DRAW_SUCCESS unless problems occured preparing the frame, and we
   // should try to avoid displaying the frame. If PrepareToDraw is called,
   // DidDrawAllLayers must also be called, regardless of whether DrawLayers is
   // called between the two.
   virtual DrawResult PrepareToDraw(FrameData* frame);
   virtual void DrawLayers(FrameData* frame, base::TimeTicks frame_begin_time);
   // Must be called if and only if PrepareToDraw was called.
   void DidDrawAllLayers(const FrameData& frame);
@@ skipping 182 matching lines @@
   }
   const GlobalStateThatImpactsTilePriority& global_tile_state() {
     return global_tile_state_;
   }
 
   Proxy* proxy() const { return proxy_; }
 
   AnimationRegistrar* animation_registrar() const {
     return animation_registrar_.get();
   }
+  AnimationTimeline* animation_timeline() const {
+    return animation_timeline_.get();
+  }
 
   void SetDebugState(const LayerTreeDebugState& new_debug_state);
   const LayerTreeDebugState& debug_state() const { return debug_state_; }
 
   class CC_EXPORT CullRenderPassesWithNoQuads {
    public:
     bool ShouldRemoveRenderPass(const RenderPassDrawQuad& quad,
                                 const FrameData& frame) const;
 
     // Iterates in draw order, so that when a surface is removed, and its
@@ skipping 283 matching lines @@
   bool resourceless_software_draw_;
 
   gfx::Rect viewport_damage_rect_;
 
   BeginFrameArgs current_begin_frame_args_;
 
   // Expected time between two begin impl frame calls.
   base::TimeDelta begin_impl_frame_interval_;
 
   scoped_ptr<AnimationRegistrar> animation_registrar_;
+  scoped_refptr<AnimationTimeline> animation_timeline_;
   std::set<ScrollbarAnimationController*> scrollbar_animation_controllers_;
 
   RenderingStatsInstrumentation* rendering_stats_instrumentation_;
   MicroBenchmarkControllerImpl micro_benchmark_controller_;
   scoped_ptr<TaskGraphRunner> single_thread_synchronous_task_graph_runner_;
 
   // Optional callback to notify of new tree activations.
   base::Closure tree_activation_callback_;
 
   SharedBitmapManager* shared_bitmap_manager_;
   gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager_;
   int id_;
 
   std::set<SwapPromiseMonitor*> swap_promise_monitor_;
   std::vector<PictureLayerImpl::Pair> picture_layer_pairs_;
 
   bool requires_high_res_to_draw_;
   bool is_likely_to_require_a_draw_;
 
   scoped_ptr<FrameTimingTracker> frame_timing_tracker_;
 
   DISALLOW_COPY_AND_ASSIGN(LayerTreeHostImpl);
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_LAYER_TREE_HOST_IMPL_H_