Decouple browser-specific GPU IPC messages from GPU service IPCs

content/common/gpu/image_transport_surface.h

 // Copyright (c) 2012 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_COMMON_GPU_IMAGE_TRANSPORT_SURFACE_H_
 #define CONTENT_COMMON_GPU_IMAGE_TRANSPORT_SURFACE_H_
 
 #include <stdint.h>
 
 #include <vector>
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "build/build_config.h"
 #include "content/common/content_export.h"
 #include "ipc/ipc_listener.h"
 #include "ipc/ipc_message.h"
 #include "ui/events/latency_info.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/geometry/size.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gfx/swap_result.h"
 #include "ui/gl/gl_surface.h"
 
-#if defined(OS_MACOSX)
-struct AcceleratedSurfaceMsg_BufferPresented_Params;
-struct GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params;
-#endif
 
 namespace gfx {
 class GLSurface;
 }
 
 namespace gpu {
 class PreemptionFlag;
 namespace gles2 {
 class GLES2Decoder;
 }
 }
 
 namespace content {
 class GpuChannelManager;
 class GpuCommandBufferStub;
+#if defined(OS_MACOSX)
+struct BufferPresentedParams;
+struct AcceleratedSurfaceBuffersSwappedParams;
+#endif
 
 // The GPU process is agnostic as to how it displays results. On some platforms
 // it renders directly to window. On others it renders offscreen and transports
 // the results to the browser process to display. This file provides a simple
 // framework for making the offscreen path seem more like the onscreen path.
 //
 // The ImageTransportSurface class defines an simple interface for events that
 // should be responded to. The factory returns an offscreen surface that looks
 // a lot like an onscreen surface to the GPU process.
 //
 // The ImageTransportSurfaceHelper provides some glue to the outside world:
 // making sure outside events reach the ImageTransportSurface and
 // allowing the ImageTransportSurface to send events to the outside world.
 
 class ImageTransportSurface {
  public:
   ImageTransportSurface();
 
 #if defined(OS_MACOSX)
-  virtual void OnBufferPresented(
-      const AcceleratedSurfaceMsg_BufferPresented_Params& params) = 0;
+  virtual void BufferPresented(const BufferPresentedParams& params) = 0;
 #endif
   virtual void SetLatencyInfo(
       const std::vector<ui::LatencyInfo>& latency_info) = 0;
 
   // Creates a surface with the given attributes.
   static scoped_refptr<gfx::GLSurface> CreateSurface(
       GpuChannelManager* manager,
       GpuCommandBufferStub* stub,
       const gfx::GLSurfaceHandle& handle,
       gfx::GLSurface::Format format);
@@ skipping 18 matching lines @@
   static scoped_refptr<gfx::GLSurface> CreateNativeSurface(
       GpuChannelManager* manager,
       GpuCommandBufferStub* stub,
       const gfx::GLSurfaceHandle& handle,
       gfx::GLSurface::Format format);
 
   DISALLOW_COPY_AND_ASSIGN(ImageTransportSurface);
 };
 
 class ImageTransportHelper
-    : public IPC::Listener,
-      public base::SupportsWeakPtr<ImageTransportHelper> {
+    : public base::SupportsWeakPtr<ImageTransportHelper> {
  public:
   // Takes weak pointers to objects that outlive the helper.
   ImageTransportHelper(ImageTransportSurface* surface,
                        GpuChannelManager* manager,
                        GpuCommandBufferStub* stub,
                        gfx::PluginWindowHandle handle);
-  ~ImageTransportHelper() override;
+  ~ImageTransportHelper();
 
   bool Initialize(gfx::GLSurface::Format format);
 
-  // IPC::Listener implementation:
-  bool OnMessageReceived(const IPC::Message& message) override;
-
   // Helper send functions. Caller fills in the surface specific params
   // like size and surface id. The helper fills in the rest.
 #if defined(OS_MACOSX)
+  void BufferPresented(const BufferPresentedParams& params);
   void SendAcceleratedSurfaceBuffersSwapped(
-      GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params params);
+      AcceleratedSurfaceBuffersSwappedParams params);
 #endif
 
   // Make the surface's context current.
   bool MakeCurrent();
 
   // Set the default swap interval on the surface.
   static void SetSwapInterval(gfx::GLContext* context);
 
   GpuChannelManager* manager() const { return manager_; }
   GpuCommandBufferStub* stub() const { return stub_.get(); }
 
  private:
   gpu::gles2::GLES2Decoder* Decoder();
 
-  // IPC::Message handlers.
-#if defined(OS_MACOSX)
-  void OnBufferPresented(
-      const AcceleratedSurfaceMsg_BufferPresented_Params& params);
-#endif
-
   // Backbuffer resize callback.
   void Resize(gfx::Size size, float scale_factor);
 
   void SetLatencyInfo(const std::vector<ui::LatencyInfo>& latency_info);
 
   // Weak pointers that point to objects that outlive this helper.
   ImageTransportSurface* surface_;
   GpuChannelManager* manager_;
 
   base::WeakPtr<GpuCommandBufferStub> stub_;
@@ skipping 24 matching lines @@
                           int width,
                           int height,
                           const SwapCompletionCallback& callback) override;
   gfx::SwapResult CommitOverlayPlanes() override;
   void CommitOverlayPlanesAsync(
       const SwapCompletionCallback& callback) override;
   bool OnMakeCurrent(gfx::GLContext* context) override;
 
   // ImageTransportSurface implementation.
 #if defined(OS_MACOSX)
-  void OnBufferPresented(
-      const AcceleratedSurfaceMsg_BufferPresented_Params& params) override;
+  void BufferPresented(const BufferPresentedParams& params) override;
 #endif
   gfx::Size GetSize() override;
   void SetLatencyInfo(
       const std::vector<ui::LatencyInfo>& latency_info) override;
 
  protected:
   ~PassThroughImageTransportSurface() override;
 
   // If updated vsync parameters can be determined, send this information to
   // the browser.
@@ skipping 14 matching lines @@
   bool did_set_swap_interval_;
   std::vector<ui::LatencyInfo> latency_info_;
   base::WeakPtrFactory<PassThroughImageTransportSurface> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PassThroughImageTransportSurface);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_IMAGE_TRANSPORT_SURFACE_H_