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      1 // Copyright 2014 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef MOJO_SERVICES_VIEW_MANAGER_DISPLAY_MANAGER_H_
      6 #define MOJO_SERVICES_VIEW_MANAGER_DISPLAY_MANAGER_H_
      7 
      8 #include <map>
      9 
     10 #include "base/basictypes.h"
     11 #include "base/memory/scoped_ptr.h"
     12 #include "base/memory/weak_ptr.h"
     13 #include "base/timer/timer.h"
     14 #include "cc/surfaces/surface_id.h"
     15 #include "mojo/public/cpp/bindings/callback.h"
     16 #include "mojo/services/public/interfaces/native_viewport/native_viewport.mojom.h"
     17 #include "mojo/services/public/interfaces/surfaces/surfaces.mojom.h"
     18 #include "mojo/services/public/interfaces/surfaces/surfaces_service.mojom.h"
     19 #include "mojo/services/view_manager/view_manager_export.h"
     20 #include "ui/gfx/rect.h"
     21 
     22 namespace cc {
     23 class SurfaceIdAllocator;
     24 }
     25 
     26 namespace mojo {
     27 
     28 class ApplicationConnection;
     29 
     30 namespace service {
     31 
     32 class ConnectionManager;
     33 class ServerView;
     34 
     35 // DisplayManager binds the root node to an actual display.
     36 class MOJO_VIEW_MANAGER_EXPORT DisplayManager
     37     : NON_EXPORTED_BASE(public NativeViewportClient),
     38       NON_EXPORTED_BASE(public SurfaceClient) {
     39  public:
     40   DisplayManager(ApplicationConnection* app_connection,
     41                  ConnectionManager* connection_manager,
     42                  const Callback<void()>& native_viewport_closed_callback);
     43   virtual ~DisplayManager();
     44 
     45   // Schedules a paint for the specified region of the specified view.
     46   void SchedulePaint(const ServerView* view, const gfx::Rect& bounds);
     47 
     48   // See description above field for details.
     49   bool in_setup() const { return in_setup_; }
     50 
     51  private:
     52   void OnSurfaceConnectionCreated(SurfacePtr surface, uint32_t id_namespace);
     53   void Draw();
     54 
     55   // NativeViewportClient implementation.
     56   virtual void OnCreated(uint64_t native_viewport_id) OVERRIDE;
     57   virtual void OnDestroyed() OVERRIDE;
     58   virtual void OnBoundsChanged(SizePtr bounds) OVERRIDE;
     59   virtual void OnEvent(EventPtr event,
     60                        const mojo::Callback<void()>& callback) OVERRIDE;
     61 
     62   // SurfaceClient implementation.
     63   virtual void ReturnResources(Array<ReturnedResourcePtr> resources) OVERRIDE;
     64 
     65   ConnectionManager* connection_manager_;
     66 
     67   // Returns true if adding the root view's window to |window_tree_host_|.
     68   bool in_setup_;
     69 
     70   gfx::Size bounds_;
     71   gfx::Rect dirty_rect_;
     72   base::Timer draw_timer_;
     73 
     74   SurfacesServicePtr surfaces_service_;
     75   SurfacePtr surface_;
     76   scoped_ptr<cc::SurfaceIdAllocator> surface_id_allocator_;
     77   cc::SurfaceId surface_id_;
     78   NativeViewportPtr native_viewport_;
     79   Callback<void()> native_viewport_closed_callback_;
     80   base::WeakPtrFactory<DisplayManager> weak_factory_;
     81 
     82   DISALLOW_COPY_AND_ASSIGN(DisplayManager);
     83 };
     84 
     85 }  // namespace service
     86 }  // namespace mojo
     87 
     88 #endif  // MOJO_SERVICES_VIEW_MANAGER_DISPLAY_MANAGER_H_
     89