Start of display management for mus

components/mus/mus_app.h

 // 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 COMPONENTS_MUS_MUS_APP_H_
 #define COMPONENTS_MUS_MUS_APP_H_
 
 #include <stdint.h>
 
 #include <vector>
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
+#include "components/mus/public/interfaces/display.mojom.h"
 #include "components/mus/public/interfaces/gpu.mojom.h"
 #include "components/mus/public/interfaces/window_manager.mojom.h"
 #include "components/mus/public/interfaces/window_tree.mojom.h"
 #include "components/mus/public/interfaces/window_tree_host.mojom.h"
 #include "components/mus/ws/connection_manager_delegate.h"
 #include "mojo/common/weak_binding_set.h"
 #include "mojo/services/tracing/public/cpp/tracing_impl.h"
 #include "mojo/shell/public/cpp/app_lifetime_helper.h"
 #include "mojo/shell/public/cpp/application_delegate.h"
 #include "mojo/shell/public/cpp/interface_factory.h"
@@ skipping 12 matching lines @@
 class SurfacesState;
 
 namespace ws {
 class ConnectionManager;
 class ForwardingWindowManager;
 }
 
 class MandolineUIServicesApp
     : public mojo::ApplicationDelegate,
       public ws::ConnectionManagerDelegate,
+      public mojo::InterfaceFactory<mojom::DisplayManager>,
       public mojo::InterfaceFactory<mojom::WindowManager>,
       public mojo::InterfaceFactory<mojom::WindowTreeHostFactory>,
       public mojo::InterfaceFactory<mojom::Gpu>,
       public mojom::WindowTreeHostFactory {
  public:
   MandolineUIServicesApp();
   ~MandolineUIServicesApp() override;
 
  private:
+  // Holds InterfaceRequests received before the first WindowTreeHost Display
+  // has been established.
+  struct PendingRequest;
+
   // ApplicationDelegate:
   void Initialize(mojo::ApplicationImpl* app) override;
   bool ConfigureIncomingConnection(
       mojo::ApplicationConnection* connection) override;
 
   // ConnectionManagerDelegate:
   void OnFirstRootConnectionCreated() override;
   void OnNoMoreRootConnections() override;
   ws::ClientConnection* CreateClientConnectionForEmbedAtWindow(
       ws::ConnectionManager* connection_manager,
       mojo::InterfaceRequest<mojom::WindowTree> tree_request,
       ws::ServerWindow* root,
       uint32_t policy_bitmask,
       mojom::WindowTreeClientPtr client) override;
 
+  // mojo::InterfaceFactory<mojom::DisplayManager> implementation.
+  void Create(mojo::ApplicationConnection* connection,
+              mojo::InterfaceRequest<mojom::DisplayManager> request) override;
+
   // mojo::InterfaceFactory<mojom::WindowManager> implementation.
   void Create(mojo::ApplicationConnection* connection,
               mojo::InterfaceRequest<mojom::WindowManager> request) override;
 
   // mojo::InterfaceFactory<mojom::WindowTreeHostFactory>:
   void Create(
       mojo::ApplicationConnection* connection,
       mojo::InterfaceRequest<mojom::WindowTreeHostFactory> request) override;
 
   // mojo::InterfaceFactory<mojom::Gpu> implementation.
   void Create(mojo::ApplicationConnection* connection,
               mojo::InterfaceRequest<mojom::Gpu> request) override;
 
   // mojom::WindowTreeHostFactory implementation.
   void CreateWindowTreeHost(mojo::InterfaceRequest<mojom::WindowTreeHost> host,
                             mojom::WindowTreeHostClientPtr host_client,
                             mojom::WindowTreeClientPtr tree_client,
                             mojom::WindowManagerPtr window_manager) override;
 
   mojo::WeakBindingSet<mojom::WindowTreeHostFactory> factory_bindings_;
   scoped_ptr<ws::ForwardingWindowManager> window_manager_impl_;
   mojo::WeakBindingSet<mojom::WindowManager> window_manager_bindings_;
   mojo::ApplicationImpl* app_impl_;
   scoped_ptr<ws::ConnectionManager> connection_manager_;
   scoped_refptr<GpuState> gpu_state_;
   scoped_ptr<ui::PlatformEventSource> event_source_;
   mojo::TracingImpl tracing_;
-  using WindowManagerRequests =
-      std::vector<scoped_ptr<mojo::InterfaceRequest<mojom::WindowManager>>>;
-  WindowManagerRequests pending_window_manager_requests_;
+  using PendingRequests = std::vector<scoped_ptr<PendingRequest>>;
+  PendingRequests pending_requests_;
 
   // Surfaces
   scoped_refptr<SurfacesState> surfaces_state_;
 
   DISALLOW_COPY_AND_ASSIGN(MandolineUIServicesApp);
 };
 
 }  // namespace mus
 
 #endif  // COMPONENTS_MUS_MUS_APP_H_