Mandoline: Merge Surfaces and Views apps

components/view_manager/surfaces/top_level_display_client.h

 // Copyright 2015 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_VIEW_MANAGER_SURFACES_DISPLAY_IMPL_H_
 #define COMPONENTS_VIEW_MANAGER_SURFACES_DISPLAY_IMPL_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "cc/surfaces/display_client.h"
 #include "cc/surfaces/surface_factory.h"
 #include "cc/surfaces/surface_factory_client.h"
-#include "components/view_manager/public/interfaces/display.mojom.h"
+#include "components/view_manager/public/interfaces/surfaces.mojom.h"
+#include "components/view_manager/surfaces/surfaces_context_provider.h"
 #include "third_party/mojo/src/mojo/public/cpp/bindings/strong_binding.h"
+#include "ui/gfx/native_widget_types.h"
 
 namespace cc {
 class Display;
 class SurfaceFactory;
 }
 
+namespace gles2 {
+class GpuState;
+}
+
 namespace surfaces {
 class SurfacesScheduler;
-class SurfacesServiceApplication;
+class SurfacesState;
 
-class DisplayImpl : public mojo::Display,
-                    public mojo::ViewportParameterListener,
-                    public cc::DisplayClient,
-                    public cc::SurfaceFactoryClient {
+// A TopLevelDisplayClient manages the top level surface that is rendered into a
+// provided AcceleratedWidget. Frames are submitted here. New frames are

[rjkroege, 2015/08/13 17:45:38]

my presumption is that this happens on different threads.

[Fady Samuel, 2015/08/17 15:38:05]

TopLevelDisplayClient lives on the same thread as input right now.

+// scheduled to be generated here based on VSync.
+class TopLevelDisplayClient
+    : public cc::DisplayClient,
+      public cc::SurfaceFactoryClient,
+      public surfaces::SurfacesContextProvider::Delegate {
  public:
-  DisplayImpl(SurfacesServiceApplication* application,
-              cc::SurfaceManager* manager,
-              cc::SurfaceId cc_id,
-              SurfacesScheduler* scheduler,
-              mojo::ContextProviderPtr context_provider,
-              mojo::ResourceReturnerPtr returner,
-              mojo::InterfaceRequest<mojo::Display> display_request);
-  ~DisplayImpl() override;
+  TopLevelDisplayClient(gfx::AcceleratedWidget widget,
+                        const scoped_refptr<gles2::GpuState>& gpu_state,
+                        const scoped_refptr<SurfacesState>& surfaces_state);
+  ~TopLevelDisplayClient() override;
+
+  void SubmitFrame(mojo::FramePtr frame, const base::Closure& callback);
 
  private:
-  void OnContextCreated(mojo::CommandBufferPtr gles2_client);
-
-  // mojo::Display implementation:
-  void SubmitFrame(mojo::FramePtr frame,
-                   const SubmitFrameCallback& callback) override;
-
   // DisplayClient implementation.
   void CommitVSyncParameters(base::TimeTicks timebase,
                              base::TimeDelta interval) override;
   void OutputSurfaceLost() override;
   void SetMemoryPolicy(const cc::ManagedMemoryPolicy& policy) override;
 
-  // ViewportParameterListener
+  // SurfacesContextProvider::Delegate:
+  void OnContextCreated();
   void OnVSyncParametersUpdated(int64_t timebase, int64_t interval) override;
 
   // SurfaceFactoryClient implementation.
   void ReturnResources(const cc::ReturnedResourceArray& resources) override;
 
   void Draw();
 
-  SurfacesServiceApplication* application_;
-  cc::SurfaceManager* manager_;
+  scoped_refptr<gles2::GpuState> gpu_state_;
+  scoped_refptr<SurfacesState> surfaces_state_;
   cc::SurfaceFactory factory_;
   cc::SurfaceId cc_id_;
-  SurfacesScheduler* scheduler_;
-  mojo::ContextProviderPtr context_provider_;
-  mojo::ResourceReturnerPtr returner_;
 
   gfx::Size last_submitted_frame_size_;
   mojo::FramePtr pending_frame_;
-  SubmitFrameCallback pending_callback_;
+  base::Closure pending_callback_;
 
   scoped_ptr<cc::Display> display_;
 
-  mojo::Binding<mojo::ViewportParameterListener> viewport_param_binding_;
-  mojo::StrongBinding<mojo::Display> display_binding_;
-
-  DISALLOW_COPY_AND_ASSIGN(DisplayImpl);
+  DISALLOW_COPY_AND_ASSIGN(TopLevelDisplayClient);
 };
 
 }  // namespace surfaces
 
 #endif  // COMPONENTS_VIEW_MANAGER_SURFACES_DISPLAY_IMPL_H_