Mus: surfaces::CompositorFrameSink => DisplayCompositorFrameSink

services/ui/surfaces/compositor_frame_sink.h

-// Copyright 2016 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 SERVICES_UI_SURFACES_COMPOSITOR_FRAME_SINK_H_
-#define SERVICES_UI_SURFACES_COMPOSITOR_FRAME_SINK_H_
-
-#include "cc/surfaces/display_client.h"
-#include "cc/surfaces/surface.h"
-#include "cc/surfaces/surface_factory.h"
-#include "cc/surfaces/surface_factory_client.h"
-#include "cc/surfaces/surface_id_allocator.h"
-#include "services/ui/surfaces/display_compositor.h"
-#include "ui/gfx/native_widget_types.h"
-
-namespace cc {
-class Display;
-}
-
-namespace gpu {
-class GpuChannelHost;
-}
-
-namespace ui {
-namespace surfaces {
-
-// TODO(fsamuel): This should become a mojo interface for the mus-gpu split.
-// TODO(fsamuel): This should not be a SurfaceFactoryClient.
-// The CompositorFrameSink receives CompositorFrames from all sources,
-// creates a top-level CompositorFrame once per tick, and generates graphical
-// output.
-class CompositorFrameSink : public cc::SurfaceFactoryClient,
-                            public cc::DisplayClient {
- public:
-  CompositorFrameSink(
-      const cc::FrameSinkId& frame_sink_id,
-      scoped_refptr<base::SingleThreadTaskRunner> task_runner,
-      gfx::AcceleratedWidget widget,
-      scoped_refptr<gpu::GpuChannelHost> gpu_channel,
-      const scoped_refptr<DisplayCompositor>& display_compositor);
-  ~CompositorFrameSink() override;
-
-  // CompositorFrameSink embedders submit a CompositorFrame when content on the
-  // display should be changed. A well-behaving embedder should only submit
-  // a CompositorFrame once per BeginFrame tick. The callback is called the
-  // first time this frame is used to draw, or if the frame is discarded.
-  void SubmitCompositorFrame(cc::CompositorFrame frame,
-                             const base::Callback<void()>& callback);
-
-  // TODO(fsamuel): This is used for surface hittesting and should not be
-  // exposed outside of CompositorFrameSink.
-  const cc::LocalFrameId& local_frame_id() const { return local_frame_id_; }
-
- private:
-  // SurfaceFactoryClient implementation.
-  void ReturnResources(const cc::ReturnedResourceArray& resources) override;
-  void SetBeginFrameSource(cc::BeginFrameSource* begin_frame_source) override;
-
-  // DisplayClient implementation.
-  void DisplayOutputSurfaceLost() override;
-  void DisplayWillDrawAndSwap(bool will_draw_and_swap,
-                              const cc::RenderPassList& render_passes) override;
-  void DisplayDidDrawAndSwap() override;
-
-  const cc::FrameSinkId frame_sink_id_;
-  scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
-  scoped_refptr<DisplayCompositor> display_compositor_;
-  cc::SurfaceFactory factory_;
-  cc::SurfaceIdAllocator allocator_;
-  cc::LocalFrameId local_frame_id_;
-
-  gfx::Size display_size_;
-  std::unique_ptr<cc::Display> display_;
-  DISALLOW_COPY_AND_ASSIGN(CompositorFrameSink);
-};
-
-}  // nanmespace surfaces
-}  // namespace ui
-
-#endif  // SERVICES_UI_SURFACES_COMPOSITOR_FRAME_SINK_H_