Move mus to //services/ui

components/mus/surfaces/display_compositor.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 COMPONENTS_MUS_SURFACES_DISPLAY_COMPOSITOR_H_
-#define COMPONENTS_MUS_SURFACES_DISPLAY_COMPOSITOR_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 "components/mus/gles2/gpu_state.h"
-#include "components/mus/surfaces/surfaces_state.h"
-#include "ui/gfx/native_widget_types.h"
-
-namespace cc {
-class Display;
-}
-
-namespace mus {
-
-// TODO(fsamuel): This should become a mojo interface for the mus-gpu split.
-// TODO(fsamuel): This should not be a SurfaceFactoryClient.
-// The DisplayCompositor receives CompositorFrames from all sources,
-// creates a top-level CompositorFrame once per tick, and generates graphical
-// output.
-class DisplayCompositor : public cc::SurfaceFactoryClient,
-                          public cc::DisplayClient {
- public:
-  DisplayCompositor(scoped_refptr<base::SingleThreadTaskRunner> task_runner,
-                    gfx::AcceleratedWidget widget,
-                    const scoped_refptr<GpuState>& gpu_state,
-                    const scoped_refptr<SurfacesState>& surfaces_state);
-  ~DisplayCompositor() override;
-
-  // DisplayCompositor 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(cc::SurfaceDrawStatus)>& callback);
-
-  // TODO(fsamuel): This is used for surface hittesting and should not be
-  // exposed outside of DisplayCompositor.
-  const cc::SurfaceId& surface_id() const { return surface_id_; }
-
-  // This requests the display CompositorFrame be rendered and given to the
-  // callback within CopyOutputRequest.
-  void RequestCopyOfOutput(
-      std::unique_ptr<cc::CopyOutputRequest> output_request);
-
-  // TODO(fsamuel): Invent an async way to create a SurfaceNamespace
-  // A SurfaceNamespace can create CompositorFrameSinks where the client can
-  // make up the 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 DisplaySetMemoryPolicy(const cc::ManagedMemoryPolicy& policy) override;
-
-  scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
-  scoped_refptr<SurfacesState> surfaces_state_;
-  cc::SurfaceFactory factory_;
-  cc::SurfaceIdAllocator allocator_;
-  cc::SurfaceId surface_id_;
-
-  gfx::Size display_size_;
-  std::unique_ptr<cc::Display> display_;
-  DISALLOW_COPY_AND_ASSIGN(DisplayCompositor);
-};
-
-}  // namespace mus
-
-#endif  // COMPONENTS_MUS_SURFACES_DISPLAY_COMPOSITOR_H_