Move //sky/compositor to //sky/viewer/compositor

sky/compositor/layer_host.h

-// Copyright 2014 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 SKY_COMPOSITOR_LAYER_HOST_H_
-#define SKY_COMPOSITOR_LAYER_HOST_H_
-
-#include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/weak_ptr.h"
-#include "mojo/gpu/gl_context_owner.h"
-#include "mojo/skia/ganesh_context.h"
-#include "sky/compositor/layer_host_client.h"
-#include "sky/compositor/resource_manager.h"
-#include "sky/compositor/surface_holder.h"
-
-namespace sky {
-class ResourceManager;
-class Layer;
-class LayerHostClient;
-
-class LayerHost : public SurfaceHolder::Client {
- public:
-  explicit LayerHost(LayerHostClient* client);
-  ~LayerHost() override;
-
-  LayerHostClient* client() const { return client_; }
-
-  const base::WeakPtr<mojo::GLContext>& gl_context() const {
-    return gl_context_owner_.context();
-  }
-
-  mojo::GaneshContext* ganesh_context() const {
-    return const_cast<mojo::GaneshContext*>(&ganesh_context_);
-  }
-
-  ResourceManager* resource_manager() const {
-    return const_cast<ResourceManager*>(&resource_manager_);
-  }
-
-  void SetNeedsAnimate();
-  void SetRootLayer(scoped_refptr<Layer> layer);
-
- private:
-  enum State {
-    kReadyForFrame,
-    kWaitingForFrameAcknowldgement,
-  };
-
-  // SurfaceHolder::Client
-  void OnSurfaceIdAvailable(mojo::SurfaceIdPtr surface_id) override;
-  void ReturnResources(
-      mojo::Array<mojo::ReturnedResourcePtr> resources) override;
-
-  void BeginFrameSoon();
-  void BeginFrame();
-
-  void Upload(Layer* layer);
-  void DidCompleteFrame();
-
-  LayerHostClient* client_;
-  State state_;
-  bool frame_requested_;
-  SurfaceHolder surface_holder_;
-  mojo::GLContextOwner gl_context_owner_;
-  mojo::GaneshContext ganesh_context_;
-  ResourceManager resource_manager_;
-  scoped_refptr<Layer> root_layer_;
-
-  base::WeakPtrFactory<LayerHost> weak_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(LayerHost);
-};
-
-}  // namespace sky
-
-#endif  // SKY_COMPOSITOR_LAYER_HOST_H_