Implement aura::WindowPortMus::CreateCompositorFrameSink()

ui/aura/mus/window_port_mus.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 UI_AURA_MUS_WINDOW_PORT_MUS_H_
 #define UI_AURA_MUS_WINDOW_PORT_MUS_H_
 
 #include <stdint.h>
 
 #include <string>
 #include <vector>
 
 #include "base/logging.h"
 #include "base/macros.h"
 #include "cc/surfaces/surface_info.h"
 #include "components/viz/client/client_compositor_frame_sink.h"
 #include "services/ui/public/interfaces/cursor/cursor.mojom.h"
 #include "services/ui/public/interfaces/window_tree.mojom.h"
 #include "services/ui/public/interfaces/window_tree_constants.mojom.h"
 #include "ui/aura/aura_export.h"
 #include "ui/aura/mus/mus_types.h"
 #include "ui/aura/mus/window_mus.h"
 #include "ui/aura/window_port.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/platform_window/mojo/text_input_state.mojom.h"
 
+namespace viz {
+class ClientCompositorFrameSink;
+}
+
 namespace aura {
 
 class ClientSurfaceEmbedder;
 class PropertyConverter;
 class Window;
 class WindowPortMusTestApi;
 class WindowTreeClient;
 class WindowTreeClientPrivate;
 class WindowTreeHostMus;
 
@@ skipping 179 matching lines @@
   void SetTransformFromServer(const gfx::Transform& transform) override;
   void SetVisibleFromServer(bool visible) override;
   void SetOpacityFromServer(float opacity) override;
   void SetCursorFromServer(const ui::CursorData& cursor) override;
   void SetPropertyFromServer(
       const std::string& property_name,
       const std::vector<uint8_t>* property_data) override;
   void SetFrameSinkIdFromServer(const cc::FrameSinkId& frame_sink_id) override;
   const cc::LocalSurfaceId& GetOrAllocateLocalSurfaceId(
       const gfx::Size& surface_size_in_pixels) override;
-  void SetPrimarySurfaceInfo(const cc::SurfaceInfo& surface_info) override;
   void SetFallbackSurfaceInfo(const cc::SurfaceInfo& surface_info) override;
   void DestroyFromServer() override;
   void AddTransientChildFromServer(WindowMus* child) override;
   void RemoveTransientChildFromServer(WindowMus* child) override;
   ChangeSource OnTransientChildAdded(WindowMus* child) override;
   ChangeSource OnTransientChildRemoved(WindowMus* child) override;
   const cc::LocalSurfaceId& GetLocalSurfaceId() override;
   std::unique_ptr<WindowMusChangeData> PrepareForServerBoundsChange(
       const gfx::Rect& bounds) override;
   std::unique_ptr<WindowMusChangeData> PrepareForServerVisibilityChange(
       bool value) override;
   void PrepareForDestroy() override;
   void PrepareForTransientRestack(WindowMus* window) override;
   void OnTransientRestackDone(WindowMus* window) override;
   void NotifyEmbeddedAppDisconnected() override;
+  bool HasLocalCompositorFrameSink() override;
 
   // WindowPort:
   void OnPreInit(Window* window) override;
   void OnDeviceScaleFactorChanged(float device_scale_factor) override;
   void OnWillAddChild(Window* child) override;
   void OnWillRemoveChild(Window* child) override;
   void OnWillMoveChild(size_t current_index, size_t dest_index) override;
   void OnVisibilityChanged(bool visible) override;
   void OnDidChangeBounds(const gfx::Rect& old_bounds,
                          const gfx::Rect& new_bounds) override;
@@ skipping 26 matching lines @@
 
   cc::SurfaceInfo primary_surface_info_;
   cc::SurfaceInfo fallback_surface_info_;
 
   cc::LocalSurfaceId local_surface_id_;
   cc::LocalSurfaceIdAllocator local_surface_id_allocator_;
   gfx::Size last_surface_size_in_pixels_;
 
   ui::CursorData cursor_;
 
+  base::WeakPtr<viz::ClientCompositorFrameSink> local_compositor_frame_sink_;

[Fady Samuel, 2017/06/08 17:46:24]

Add a comment about when we'd use this?

[Peng, 2017/06/08 18:03:31]

Done.

+
   DISALLOW_COPY_AND_ASSIGN(WindowPortMus);
 };
 
 }  // namespace aura
 
 #endif  // UI_AURA_MUS_WINDOW_PORT_MUS_H_