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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_EXAMPLES_AURA_DEMO_WINDOW_TREE_HOST_VIEW_MANAGER_H_
6 #define MOJO_EXAMPLES_AURA_DEMO_WINDOW_TREE_HOST_VIEW_MANAGER_H_
7 
8 #include "mojo/services/public/cpp/view_manager/view_observer.h"
9 #include "ui/aura/window_tree_host.h"
10 #include "ui/events/event_source.h"
11 #include "ui/gfx/geometry/rect.h"
12 
13 class SkBitmap;
14 
15 namespace ui {
16 class Compositor;
17 }
18 
19 namespace mojo {
20 
21 class WindowTreeHostMojoDelegate;
22 
23 class WindowTreeHostMojo : public aura::WindowTreeHost,
24                            public ui::EventSource,
25                            public ViewObserver {
26  public:
27   WindowTreeHostMojo(View* view, WindowTreeHostMojoDelegate* delegate);
28   virtual ~WindowTreeHostMojo();
29 
30   // Returns the WindowTreeHostMojo for the specified compositor.
31   static WindowTreeHostMojo* ForCompositor(ui::Compositor* compositor);
32 
bounds()33   const gfx::Rect& bounds() const { return bounds_; }
34 
35   // Sets the contents to show in this WindowTreeHost. This forwards to the
36   // delegate.
37   void SetContents(const SkBitmap& contents);
38 
SendEventToProcessor(ui::Event * event)39   ui::EventDispatchDetails SendEventToProcessor(ui::Event* event) {
40     return ui::EventSource::SendEventToProcessor(event);
41   }
42 
43  private:
44   // WindowTreeHost:
45   virtual ui::EventSource* GetEventSource() OVERRIDE;
46   virtual gfx::AcceleratedWidget GetAcceleratedWidget() OVERRIDE;
47   virtual void Show() OVERRIDE;
48   virtual void Hide() OVERRIDE;
49   virtual gfx::Rect GetBounds() const OVERRIDE;
50   virtual void SetBounds(const gfx::Rect& bounds) OVERRIDE;
51   virtual gfx::Point GetLocationOnNativeScreen() const OVERRIDE;
52   virtual void SetCapture() OVERRIDE;
53   virtual void ReleaseCapture() OVERRIDE;
54   virtual void PostNativeEvent(const base::NativeEvent& native_event) OVERRIDE;
55   virtual void SetCursorNative(gfx::NativeCursor cursor) OVERRIDE;
56   virtual void MoveCursorToNative(const gfx::Point& location) OVERRIDE;
57   virtual void OnCursorVisibilityChangedNative(bool show) OVERRIDE;
58 
59   // ui::EventSource:
60   virtual ui::EventProcessor* GetEventProcessor() OVERRIDE;
61 
62   // ViewObserver:
63   virtual void OnViewBoundsChanged(
64       View* view,
65       const gfx::Rect& old_bounds,
66       const gfx::Rect& new_bounds) OVERRIDE;
67 
68   View* view_;
69 
70   gfx::Rect bounds_;
71 
72   WindowTreeHostMojoDelegate* delegate_;
73 
74   DISALLOW_COPY_AND_ASSIGN(WindowTreeHostMojo);
75 };
76 
77 }  // namespace mojo
78 
79 #endif  // MOJO_EXAMPLES_AURA_DEMO_WINDOW_TREE_HOST_VIEW_MANAGER_H_
80