text: // 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 CONTENT_BROWSER_COMPOSITOR_SOFTWARE_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_
  #define CONTENT_BROWSER_COMPOSITOR_SOFTWARE_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_
  
  #include "base/macros.h"
  #include "base/memory/weak_ptr.h"
  #include "build/build_config.h"
  #include "content/browser/compositor/browser_compositor_output_surface.h"
  #include "content/common/content_export.h"
  
  namespace cc {
  class SoftwareOutputDevice;
  }
  
  namespace ui {
  class CompositorVSyncManager;
  }
  
  namespace content {
  
  class CONTENT_EXPORT SoftwareBrowserCompositorOutputSurface
      : public BrowserCompositorOutputSurface {
   public:
    SoftwareBrowserCompositorOutputSurface(
        std::unique_ptr<cc::SoftwareOutputDevice> software_device,
        const scoped_refptr<ui::CompositorVSyncManager>& vsync_manager,
        base::SingleThreadTaskRunner* task_runner);
  
    ~SoftwareBrowserCompositorOutputSurface() override;
  
   private:
    void SwapBuffers(cc::CompositorFrame* frame) override;
    void OnGpuSwapBuffersCompleted(
        const std::vector<ui::LatencyInfo>& latency_info,
        gfx::SwapResult result,
        const gpu::GpuProcessHostedCALayerTreeParamsMac* params_mac) override;
  
  #if defined(OS_MACOSX)
    void SetSurfaceSuspendedForRecycle(bool suspended) override;
  #endif
  
    base::WeakPtrFactory<SoftwareBrowserCompositorOutputSurface> weak_factory_;
  
    DISALLOW_COPY_AND_ASSIGN(SoftwareBrowserCompositorOutputSurface);
  };
  
  }  // namespace content
  
  #endif  // CONTENT_BROWSER_COMPOSITOR_SOFTWARE_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_
  