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      1 // Copyright (c) 2013 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_AURA_WINDOW_TREE_HOST_MOJO_H_
      6 #define MOJO_AURA_WINDOW_TREE_HOST_MOJO_H_
      7 
      8 #include "base/bind.h"
      9 #include "mojo/services/public/interfaces/native_viewport/native_viewport.mojom.h"
     10 #include "ui/aura/window_tree_host.h"
     11 #include "ui/events/event_source.h"
     12 #include "ui/gfx/rect.h"
     13 
     14 namespace ui {
     15 class ContextFactory;
     16 }
     17 
     18 namespace mojo {
     19 namespace view_manager {
     20 namespace service {
     21 
     22 class ContextFactoryImpl;
     23 
     24 class WindowTreeHostImpl : public aura::WindowTreeHost,
     25                            public ui::EventSource,
     26                            public NativeViewportClient {
     27  public:
     28   WindowTreeHostImpl(NativeViewportPtr viewport,
     29                      const gfx::Rect& bounds,
     30                      const base::Callback<void()>& compositor_created_callback);
     31   virtual ~WindowTreeHostImpl();
     32 
     33   gfx::Rect bounds() const { return bounds_; }
     34 
     35  private:
     36   // WindowTreeHost:
     37   virtual ui::EventSource* GetEventSource() OVERRIDE;
     38   virtual gfx::AcceleratedWidget GetAcceleratedWidget() OVERRIDE;
     39   virtual void Show() OVERRIDE;
     40   virtual void Hide() OVERRIDE;
     41   virtual gfx::Rect GetBounds() const OVERRIDE;
     42   virtual void SetBounds(const gfx::Rect& bounds) OVERRIDE;
     43   virtual gfx::Point GetLocationOnNativeScreen() const OVERRIDE;
     44   virtual void SetCapture() OVERRIDE;
     45   virtual void ReleaseCapture() OVERRIDE;
     46   virtual void PostNativeEvent(const base::NativeEvent& native_event) OVERRIDE;
     47   virtual void OnDeviceScaleFactorChanged(float device_scale_factor) OVERRIDE;
     48   virtual void SetCursorNative(gfx::NativeCursor cursor) OVERRIDE;
     49   virtual void MoveCursorToNative(const gfx::Point& location) OVERRIDE;
     50   virtual void OnCursorVisibilityChangedNative(bool show) OVERRIDE;
     51 
     52   // ui::EventSource:
     53   virtual ui::EventProcessor* GetEventProcessor() OVERRIDE;
     54 
     55   // Overridden from NativeViewportClient:
     56   virtual void OnCreated() OVERRIDE;
     57   virtual void OnDestroyed() OVERRIDE;
     58   virtual void OnBoundsChanged(RectPtr bounds) OVERRIDE;
     59   virtual void OnEvent(EventPtr event,
     60                        const mojo::Callback<void()>& callback) OVERRIDE;
     61 
     62   static ContextFactoryImpl* context_factory_;
     63 
     64   NativeViewportPtr native_viewport_;
     65   base::Callback<void()> compositor_created_callback_;
     66 
     67   gfx::Rect bounds_;
     68 
     69   DISALLOW_COPY_AND_ASSIGN(WindowTreeHostImpl);
     70 };
     71 
     72 }  // namespace service
     73 }  // namespace view_manager
     74 }  // namespace mojo
     75 
     76 #endif  // MOJO_AURA_WINDOW_TREE_HOST_MOJO_H_
     77