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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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