Adds capture to the mojo window_manager.

services/window_manager/window_manager_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 SERVICES_WINDOW_MANAGER_WINDOW_MANAGER_APP_H_
 #define SERVICES_WINDOW_MANAGER_WINDOW_MANAGER_APP_H_
 
 #include <set>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "mojo/public/cpp/application/application_delegate.h"
 #include "mojo/public/cpp/application/interface_factory_impl.h"
 #include "mojo/public/cpp/bindings/binding.h"
 #include "mojo/public/cpp/bindings/string.h"
 #include "mojo/services/view_manager/public/cpp/types.h"
 #include "mojo/services/view_manager/public/cpp/view_manager_client_factory.h"
 #include "mojo/services/view_manager/public/cpp/view_manager_delegate.h"
 #include "mojo/services/view_manager/public/cpp/view_observer.h"
 #include "mojo/services/window_manager/public/interfaces/window_manager_internal.mojom.h"
+#include "services/window_manager/capture_controller_observer.h"
 #include "services/window_manager/focus_controller_observer.h"
 #include "services/window_manager/native_viewport_event_dispatcher_impl.h"
 #include "services/window_manager/view_target.h"
 #include "services/window_manager/window_manager_impl.h"
 #include "ui/events/event_handler.h"
 
 namespace gfx {
 class Size;
 }
 
 namespace window_manager {
 
+class CaptureController;
 class FocusController;
 class FocusRules;
 class ViewEventDispatcher;
 class WindowManagerClient;
 class WindowManagerDelegate;
 class WindowManagerImpl;
 
 // Implements core window manager functionality that could conceivably be shared
 // across multiple window managers implementing superficially different user
 // experiences. Establishes communication with the view manager.
 // A window manager wishing to use this core should create and own an instance
 // of this object. They may implement the associated ViewManager/WindowManager
 // delegate interfaces exposed by the view manager, this object provides the
 // canonical implementation of said interfaces but will call out to the wrapped
 // instances.
 class WindowManagerApp
     : public mojo::ApplicationDelegate,
       public mojo::ViewManagerDelegate,
       public mojo::ViewObserver,
       public ui::EventHandler,
       public FocusControllerObserver,
+      public CaptureControllerObserver,
       public mojo::InterfaceFactory<mojo::WindowManager>,
       public mojo::InterfaceFactory<mojo::WindowManagerInternal>,
       public mojo::WindowManagerInternal {
  public:
   WindowManagerApp(ViewManagerDelegate* view_manager_delegate,
                    WindowManagerDelegate* window_manager_delegate);
   ~WindowManagerApp() override;
 
   ViewEventDispatcher* event_dispatcher() {
     return view_event_dispatcher_.get();
   }
 
   // Register/deregister new connections to the window manager service.
   void AddConnection(WindowManagerImpl* connection);
   void RemoveConnection(WindowManagerImpl* connection);
 
   // These are canonical implementations of the window manager API methods.
   void SetCapture(mojo::Id view);
   void FocusWindow(mojo::Id view);
   void ActivateWindow(mojo::Id view);
 
   void DispatchInputEventToView(mojo::View* view, mojo::EventPtr event);
   void SetViewportSize(const gfx::Size& size);
 
   bool IsReady() const;
 
   FocusController* focus_controller() { return focus_controller_.get(); }
+  CaptureController* capture_controller() { return capture_controller_.get(); }
 
   void InitFocus(scoped_ptr<FocusRules> rules);
 
   // WindowManagerImpl::Embed() forwards to this. If connected to ViewManager
   // then forwards to delegate, otherwise waits for connection to establish then
   // forwards.
   void Embed(const mojo::String& url,
              mojo::InterfaceRequest<mojo::ServiceProvider> service_provider);
 
   // Overridden from ApplicationDelegate:
@@ skipping 34 matching lines @@
   void OnViewDestroying(mojo::View* view) override;
 
   // Overridden from ui::EventHandler:
   void OnEvent(ui::Event* event) override;
 
   // Overridden from mojo::FocusControllerObserver:
   void OnViewFocused(mojo::View* gained_focus, mojo::View* lost_focus) override;
   void OnViewActivated(mojo::View* gained_active,
                        mojo::View* lost_active) override;
 
+  // Overridden from mojo::CaptureControllerObserver:
+  void OnCaptureChanged(mojo::View* gained_capture,
+                        mojo::View* lost_capture) override;
+
   // Creates the connection to the ViewManager.
   void LaunchViewManager(mojo::ApplicationImpl* app);
 
   // InterfaceFactory<WindowManagerInternal>:
   void Create(
       mojo::ApplicationConnection* connection,
       mojo::InterfaceRequest<mojo::WindowManagerInternal> request) override;
 
   // InterfaceFactory<WindowManager>:
   void Create(mojo::ApplicationConnection* connection,
@@ skipping 11 matching lines @@
       native_viewport_event_dispatcher_factory_;
 
   ViewManagerDelegate* wrapped_view_manager_delegate_;
   WindowManagerDelegate* window_manager_delegate_;
 
   mojo::ViewManager* view_manager_;
   scoped_ptr<mojo::ViewManagerClientFactory> view_manager_client_factory_;
   mojo::View* root_;
 
   scoped_ptr<FocusController> focus_controller_;
+  scoped_ptr<CaptureController> capture_controller_;
 
   Connections connections_;
   RegisteredViewIdSet registered_view_id_set_;
 
   mojo::WindowManagerInternalClientPtr window_manager_client_;
 
   ScopedVector<PendingEmbed> pending_embeds_;
 
   scoped_ptr<mojo::ViewManagerClient> view_manager_client_;
 
   scoped_ptr<ViewEventDispatcher> view_event_dispatcher_;
 
   scoped_ptr<mojo::Binding<WindowManagerInternal>> wm_internal_binding_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowManagerApp);
 };
 
 }  // namespace window_manager
 
 #endif  // SERVICES_WINDOW_MANAGER_WINDOW_MANAGER_APP_H_