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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef SERVICES_UI_WS_PLATFORM_DISPLAY_DELEGATE_H_ | 5 #ifndef SERVICES_UI_WS_PLATFORM_DISPLAY_DELEGATE_H_ |
6 #define SERVICES_UI_WS_PLATFORM_DISPLAY_DELEGATE_H_ | 6 #define SERVICES_UI_WS_PLATFORM_DISPLAY_DELEGATE_H_ |
7 | 7 |
8 namespace display { | 8 namespace display { |
9 class Display; | 9 class Display; |
10 } | 10 } |
11 | 11 |
12 namespace ui { | 12 namespace ui { |
13 | 13 |
14 class Event; | 14 class Event; |
15 | 15 |
16 namespace ws { | 16 namespace ws { |
17 | 17 |
18 class ServerWindow; | 18 class ServerWindow; |
19 | 19 |
20 // PlatformDisplayDelegate is implemented by an object that manages the | 20 // PlatformDisplayDelegate is implemented by an object that manages the |
21 // lifetime of a PlatformDisplay, forwards events to the appropriate windows, | 21 // lifetime of a PlatformDisplay, forwards events to the appropriate windows, |
22 /// and responses to changes in viewport size. | 22 /// and responses to changes in viewport size. |
23 class PlatformDisplayDelegate { | 23 class PlatformDisplayDelegate { |
24 public: | 24 public: |
25 // Returns a display::Display for this display. | 25 // Returns a display::Display for this display. |
26 virtual display::Display GetDisplay() = 0; | 26 virtual const display::Display& GetDisplay() = 0; |
27 | 27 |
28 // Returns the root window of this display. | 28 // Returns the root window of this display. |
29 virtual ServerWindow* GetRootWindow() = 0; | 29 virtual ServerWindow* GetRootWindow() = 0; |
30 | 30 |
31 // Called once when the AcceleratedWidget is available for drawing. | 31 // Called once when the AcceleratedWidget is available for drawing. |
32 virtual void OnAcceleratedWidgetAvailable() = 0; | 32 virtual void OnAcceleratedWidgetAvailable() = 0; |
33 | 33 |
34 virtual bool IsInHighContrastMode() = 0; | 34 virtual bool IsInHighContrastMode() = 0; |
35 | 35 |
36 // Called when an event arrives. | 36 // Called when an event arrives. |
37 virtual void OnEvent(const ui::Event& event) = 0; | 37 virtual void OnEvent(const ui::Event& event) = 0; |
38 | 38 |
39 // Called when the Display loses capture. | 39 // Called when the Display loses capture. |
40 virtual void OnNativeCaptureLost() = 0; | 40 virtual void OnNativeCaptureLost() = 0; |
41 | 41 |
42 protected: | 42 protected: |
43 virtual ~PlatformDisplayDelegate() {} | 43 virtual ~PlatformDisplayDelegate() {} |
44 }; | 44 }; |
45 | 45 |
46 } // namespace ws | 46 } // namespace ws |
47 | 47 |
48 } // namespace ui | 48 } // namespace ui |
49 | 49 |
50 #endif // SERVICES_UI_WS_PLATFORM_DISPLAY_DELEGATE_H_ | 50 #endif // SERVICES_UI_WS_PLATFORM_DISPLAY_DELEGATE_H_ |
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