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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 #include "services/ui/ws/ids.h" | 8 #include "services/ui/ws/ids.h" |
9 | 9 |
10 namespace ui { | 10 namespace ui { |
11 class Event; | 11 class Event; |
12 } | 12 } |
13 | 13 |
14 namespace ui { | 14 namespace ui { |
15 | 15 |
16 namespace ws { | 16 namespace ws { |
17 | 17 |
18 class ServerWindow; | 18 class ServerWindow; |
19 struct ViewportMetrics; | 19 struct ViewportMetrics; |
20 | 20 |
21 // PlatformDisplayDelegate is implemented by an object that manages the | 21 // PlatformDisplayDelegate is implemented by an object that manages the |
22 // lifetime of a PlatformDisplay, forwards events to the appropriate windows, | 22 // lifetime of a PlatformDisplay, forwards events to the appropriate windows, |
23 /// and responses to changes in viewport size. | 23 /// and responses to changes in viewport size. |
24 class PlatformDisplayDelegate { | 24 class PlatformDisplayDelegate { |
25 public: | 25 public: |
| 26 // Returns the root window of the active user. |
| 27 virtual ServerWindow* GetActiveRootWindow() = 0; |
| 28 |
26 // Returns the root window of this display. | 29 // Returns the root window of this display. |
27 virtual ServerWindow* GetRootWindow() = 0; | 30 virtual ServerWindow* GetRootWindow() = 0; |
28 | 31 |
29 virtual bool IsInHighContrastMode() = 0; | 32 virtual bool IsInHighContrastMode() = 0; |
30 | 33 |
31 // Called when an event arrives. | 34 // Called when an event arrives. |
32 virtual void OnEvent(const ui::Event& event) = 0; | 35 virtual void OnEvent(const ui::Event& event) = 0; |
33 | 36 |
34 // Called when the Display loses capture. | 37 // Called when the Display loses capture. |
35 virtual void OnNativeCaptureLost() = 0; | 38 virtual void OnNativeCaptureLost() = 0; |
36 | 39 |
37 // Signals that the metrics of this display's viewport has changed. | 40 // Signals that the metrics of this display's viewport has changed. |
38 virtual void OnViewportMetricsChanged(const ViewportMetrics& old_metrics, | 41 virtual void OnViewportMetricsChanged(const ViewportMetrics& old_metrics, |
39 const ViewportMetrics& new_metrics) = 0; | 42 const ViewportMetrics& new_metrics) = 0; |
40 | 43 |
41 // Called when a compositor frame is finished drawing. | 44 // Called when a compositor frame is finished drawing. |
42 virtual void OnCompositorFrameDrawn() = 0; | 45 virtual void OnCompositorFrameDrawn() = 0; |
43 | 46 |
44 protected: | 47 protected: |
45 virtual ~PlatformDisplayDelegate() {} | 48 virtual ~PlatformDisplayDelegate() {} |
46 }; | 49 }; |
47 | 50 |
48 } // namespace ws | 51 } // namespace ws |
49 | 52 |
50 } // namespace ui | 53 } // namespace ui |
51 | 54 |
52 #endif // SERVICES_UI_WS_PLATFORM_DISPLAY_DELEGATE_H_ | 55 #endif // SERVICES_UI_WS_PLATFORM_DISPLAY_DELEGATE_H_ |
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