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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 { |
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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 this display. | 26 // Returns the root window of this display. |
27 virtual ServerWindow* GetRootWindow() = 0; | 27 virtual ServerWindow* GetRootWindow() = 0; |
28 | 28 |
29 virtual bool IsInHighContrastMode() = 0; | 29 virtual bool IsInHighContrastMode() = 0; |
30 | 30 |
31 // Called when the window managed by the PlatformDisplay is closed. | |
32 virtual void OnDisplayClosed() = 0; | |
33 | |
34 // Called when an event arrives. | 31 // Called when an event arrives. |
35 virtual void OnEvent(const ui::Event& event) = 0; | 32 virtual void OnEvent(const ui::Event& event) = 0; |
36 | 33 |
37 // Called when the Display loses capture. | 34 // Called when the Display loses capture. |
38 virtual void OnNativeCaptureLost() = 0; | 35 virtual void OnNativeCaptureLost() = 0; |
39 | 36 |
40 // Signals that the metrics of this display's viewport has changed. | 37 // Signals that the metrics of this display's viewport has changed. |
41 virtual void OnViewportMetricsChanged(const ViewportMetrics& old_metrics, | 38 virtual void OnViewportMetricsChanged(const ViewportMetrics& old_metrics, |
42 const ViewportMetrics& new_metrics) = 0; | 39 const ViewportMetrics& new_metrics) = 0; |
43 | 40 |
44 // Called when a compositor frame is finished drawing. | 41 // Called when a compositor frame is finished drawing. |
45 virtual void OnCompositorFrameDrawn() = 0; | 42 virtual void OnCompositorFrameDrawn() = 0; |
46 | 43 |
47 protected: | 44 protected: |
48 virtual ~PlatformDisplayDelegate() {} | 45 virtual ~PlatformDisplayDelegate() {} |
49 }; | 46 }; |
50 | 47 |
51 } // namespace ws | 48 } // namespace ws |
52 | 49 |
53 } // namespace ui | 50 } // namespace ui |
54 | 51 |
55 #endif // SERVICES_UI_WS_PLATFORM_DISPLAY_DELEGATE_H_ | 52 #endif // SERVICES_UI_WS_PLATFORM_DISPLAY_DELEGATE_H_ |
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