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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 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_LINUX_UI_LINUX_UI_H_ | 5 #ifndef UI_VIEWS_LINUX_UI_LINUX_UI_H_ |
6 #define UI_VIEWS_LINUX_UI_LINUX_UI_H_ | 6 #define UI_VIEWS_LINUX_UI_LINUX_UI_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/callback.h" | 10 #include "base/callback.h" |
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147 | 147 |
148 // Notifies the window manager that start up has completed. | 148 // Notifies the window manager that start up has completed. |
149 // Normally Chromium opens a new window on startup and GTK does this | 149 // Normally Chromium opens a new window on startup and GTK does this |
150 // automatically. In case Chromium does not open a new window on startup, | 150 // automatically. In case Chromium does not open a new window on startup, |
151 // e.g. an existing browser window already exists, this should be called. | 151 // e.g. an existing browser window already exists, this should be called. |
152 virtual void NotifyWindowManagerStartupComplete() = 0; | 152 virtual void NotifyWindowManagerStartupComplete() = 0; |
153 | 153 |
154 // Updates the device scale factor so that the default font size can be | 154 // Updates the device scale factor so that the default font size can be |
155 // recalculated. | 155 // recalculated. |
156 virtual void UpdateDeviceScaleFactor(float device_scale_factor) = 0; | 156 virtual void UpdateDeviceScaleFactor(float device_scale_factor) = 0; |
| 157 |
| 158 // Determines the device scale factor of the primary screen. |
| 159 virtual float GetDeviceScaleFactor() const = 0; |
157 }; | 160 }; |
158 | 161 |
159 } // namespace views | 162 } // namespace views |
160 | 163 |
161 #endif // UI_VIEWS_LINUX_UI_LINUX_UI_H_ | 164 #endif // UI_VIEWS_LINUX_UI_LINUX_UI_H_ |
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