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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 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 | 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 UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_CURSOR_LOADER_UPDATER_H_ | 5 #ifndef UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_CURSOR_LOADER_UPDATER_H_ |
6 #define UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_CURSOR_LOADER_UPDATER_H_ | 6 #define UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_CURSOR_LOADER_UPDATER_H_ |
7 | 7 |
8 #include <memory> | 8 #include <memory> |
9 | 9 |
10 #include "ui/views/views_export.h" | 10 #include "ui/views/views_export.h" |
11 | 11 |
12 namespace aura { | 12 namespace aura { |
13 class RootWindow; | 13 class RootWindow; |
14 } | 14 } |
15 | 15 |
16 namespace gfx { | 16 namespace display { |
17 class Display; | 17 class Display; |
18 } | 18 } |
19 | 19 |
20 namespace display { | |
21 using Display = gfx::Display; | |
22 } | |
23 | |
24 namespace ui { | 20 namespace ui { |
25 class CursorLoader; | 21 class CursorLoader; |
26 } | 22 } |
27 | 23 |
28 namespace views { | 24 namespace views { |
29 | 25 |
30 // An interface to optionally update the state of a cursor loader. Only used on | 26 // An interface to optionally update the state of a cursor loader. Only used on |
31 // desktop AuraX11. | 27 // desktop AuraX11. |
32 class VIEWS_EXPORT DesktopCursorLoaderUpdater { | 28 class VIEWS_EXPORT DesktopCursorLoaderUpdater { |
33 public: | 29 public: |
34 virtual ~DesktopCursorLoaderUpdater() {} | 30 virtual ~DesktopCursorLoaderUpdater() {} |
35 | 31 |
36 // Creates a new DesktopCursorLoaderUpdater, or NULL if the platform doesn't | 32 // Creates a new DesktopCursorLoaderUpdater, or NULL if the platform doesn't |
37 // support one. | 33 // support one. |
38 static std::unique_ptr<DesktopCursorLoaderUpdater> Create(); | 34 static std::unique_ptr<DesktopCursorLoaderUpdater> Create(); |
39 | 35 |
40 // Called when a CursorLoader is created. | 36 // Called when a CursorLoader is created. |
41 virtual void OnCreate(float device_scale_factor, | 37 virtual void OnCreate(float device_scale_factor, |
42 ui::CursorLoader* loader) = 0; | 38 ui::CursorLoader* loader) = 0; |
43 | 39 |
44 // Called when the display has changed (as we may need to reload the cursor | 40 // Called when the display has changed (as we may need to reload the cursor |
45 // assets in response to a device scale factor or rotation change). | 41 // assets in response to a device scale factor or rotation change). |
46 virtual void OnDisplayUpdated(const display::Display& display, | 42 virtual void OnDisplayUpdated(const display::Display& display, |
47 ui::CursorLoader* loader) = 0; | 43 ui::CursorLoader* loader) = 0; |
48 }; | 44 }; |
49 | 45 |
50 } // namespace views | 46 } // namespace views |
51 | 47 |
52 #endif // UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_DISPLAY_CHANGE_HANDLER_H_ | 48 #endif // UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_DISPLAY_CHANGE_HANDLER_H_ |
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