chromeos: changes how DisplayManagerObservers are notified

services/ui/ws/window_server.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 SERVICES_UI_WS_WINDOW_SERVER_H_
 #define SERVICES_UI_WS_WINDOW_SERVER_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 24 matching lines @@
 class Display;
 class DisplayManager;
 class GpuHost;
 class ServerWindow;
 class UserActivityMonitor;
 class WindowManagerState;
 class WindowServerDelegate;
 class WindowTree;
 class WindowTreeBinding;
 
+enum class DisplayCreationConfig;
+
 // WindowServer manages the set of clients of the window server (all the
 // WindowTrees) as well as providing the root of the hierarchy.
 class WindowServer : public ServerWindowDelegate,
                      public ServerWindowObserver,
                      public GpuHostDelegate,
                      public UserDisplayManagerDelegate,
                      public UserIdTrackerObserver,
                      public cc::mojom::FrameSinkManagerClient {
  public:
   explicit WindowServer(WindowServerDelegate* delegate);
   ~WindowServer() override;
 
   WindowServerDelegate* delegate() { return delegate_; }
 
   UserIdTracker* user_id_tracker() { return &user_id_tracker_; }
   const UserIdTracker* user_id_tracker() const { return &user_id_tracker_; }
 
   DisplayManager* display_manager() { return display_manager_.get(); }
   const DisplayManager* display_manager() const {
     return display_manager_.get();
   }
 
   GpuHost* gpu_host() { return gpu_host_.get(); }
 
+  void SetDisplayCreationConfig(DisplayCreationConfig config);
+  DisplayCreationConfig display_creation_config() const {
+    return display_creation_config_;
+  }
+
   // Creates a new ServerWindow. The return value is owned by the caller, but
   // must be destroyed before WindowServer.
   ServerWindow* CreateServerWindow(
       const WindowId& id,
       const std::map<std::string, std::vector<uint8_t>>& properties);
 
   // Returns the id for the next WindowTree.
   ClientSpecificId GetAndAdvanceNextClientId();
 
   // See description of WindowTree::Embed() for details. This assumes
@@ skipping 302 matching lines @@
 
   WindowManagerWindowTreeFactorySet window_manager_window_tree_factory_set_;
 
   cc::SurfaceId root_surface_id_;
 
   // Provides interfaces to create and manage FrameSinks.
   mojo::Binding<cc::mojom::FrameSinkManagerClient>
       frame_sink_manager_client_binding_;
   cc::mojom::FrameSinkManagerPtr frame_sink_manager_;
 
+  DisplayCreationConfig display_creation_config_;
+
   DISALLOW_COPY_AND_ASSIGN(WindowServer);
 };
 
 }  // namespace ws
 }  // namespace ui
 
 #endif  // SERVICES_UI_WS_WINDOW_SERVER_H_