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// 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 CC_SURFACES_SURFACE_DISPLAY_OUTPUT_SURFACE_H_
#define CC_SURFACES_SURFACE_DISPLAY_OUTPUT_SURFACE_H_

#include "cc/output/output_surface.h"
#include "cc/surfaces/surface_factory.h"
#include "cc/surfaces/surface_factory_client.h"
#include "cc/surfaces/surface_id_allocator.h"
#include "cc/surfaces/surfaces_export.h"

namespace cc {
class Display;
class OnscreenDisplayClient;
class SurfaceManager;

// This class is maps a compositor OutputSurface to the surface system's Display
// concept, allowing a compositor client to submit frames for a native root
// window or physical display.
class CC_SURFACES_EXPORT SurfaceDisplayOutputSurface
    : public OutputSurface,
      public SurfaceFactoryClient {
 public:
  // The underlying Display and SurfaceManager must outlive this class.
  SurfaceDisplayOutputSurface(
      SurfaceManager* surface_manager,
      SurfaceIdAllocator* allocator,
      const scoped_refptr<ContextProvider>& context_provider,
      const scoped_refptr<ContextProvider>& worker_context_provider);
  ~SurfaceDisplayOutputSurface() override;

  void set_display_client(OnscreenDisplayClient* display_client) {
    display_client_ = display_client;
  }
  SurfaceFactory* factory() { return &factory_; }
  void ReceivedVSyncParameters(base::TimeTicks timebase,
                               base::TimeDelta interval);

  // OutputSurface implementation.
  void SwapBuffers(CompositorFrame* frame) override;
  bool BindToClient(OutputSurfaceClient* client) override;
  void ForceReclaimResources() override;

  // SurfaceFactoryClient implementation.
  void ReturnResources(const ReturnedResourceArray& resources) override;
  void SetBeginFrameSource(SurfaceId surface_id,
                           BeginFrameSource* begin_frame_source) override;

 private:
  void SwapBuffersComplete(SurfaceDrawStatus drawn);

  OnscreenDisplayClient* display_client_;
  SurfaceFactory factory_;
  gfx::Size display_size_;
  SurfaceId surface_id_;
  SurfaceIdAllocator* allocator_;

  DISALLOW_COPY_AND_ASSIGN(SurfaceDisplayOutputSurface);
};

}  // namespace cc

#endif  // CC_SURFACES_SURFACE_DISPLAY_OUTPUT_SURFACE_H_