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| 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 APP_MAC_SCOPED_NSDISABLE_SCREEN_UPDATES_H_ | 5 #ifndef UI_GFX_MAC_SCOPED_NSDISABLE_SCREEN_UPDATES_H_ |
|
Robert Sesek
2011/06/21 14:08:13
To be consistent with the other scopers in the par
tfarina
2011/06/21 18:35:13
Done.
| |
| 6 #define APP_MAC_SCOPED_NSDISABLE_SCREEN_UPDATES_H_ | 6 #define UI_GFX_MAC_SCOPED_NSDISABLE_SCREEN_UPDATES_H_ |
| 7 #pragma once | 7 #pragma once |
| 8 | 8 |
| 9 #import <Cocoa/Cocoa.h> | 9 #import <Cocoa/Cocoa.h> |
| 10 | 10 |
| 11 #include "base/basictypes.h" | 11 #include "base/basictypes.h" |
| 12 | 12 |
| 13 namespace app { | 13 namespace app { |
|
Robert Sesek
2011/06/21 14:08:13
And here.
tfarina
2011/06/21 18:35:13
Done.
| |
| 14 namespace mac { | 14 namespace mac { |
| 15 | 15 |
| 16 // A stack-based class to disable Cocoa screen updates. When instantiated, it | 16 // A stack-based class to disable Cocoa screen updates. When instantiated, it |
| 17 // disables screen updates and enables them when destroyed. Update disabling | 17 // disables screen updates and enables them when destroyed. Update disabling |
| 18 // can be nested, and there is a time-maximum (about 1 second) after which | 18 // can be nested, and there is a time-maximum (about 1 second) after which |
| 19 // Cocoa will automatically re-enable updating. This class doesn't attempt to | 19 // Cocoa will automatically re-enable updating. This class doesn't attempt to |
| 20 // overrule that. | 20 // overrule that. |
| 21 class ScopedNSDisableScreenUpdates { | 21 class ScopedNSDisableScreenUpdates { |
| 22 public: | 22 public: |
| 23 ScopedNSDisableScreenUpdates() { | 23 ScopedNSDisableScreenUpdates() { |
| 24 NSDisableScreenUpdates(); | 24 NSDisableScreenUpdates(); |
| 25 } | 25 } |
| 26 ~ScopedNSDisableScreenUpdates() { | 26 ~ScopedNSDisableScreenUpdates() { |
| 27 NSEnableScreenUpdates(); | 27 NSEnableScreenUpdates(); |
| 28 } | 28 } |
| 29 | 29 |
| 30 private: | 30 private: |
| 31 DISALLOW_COPY_AND_ASSIGN(ScopedNSDisableScreenUpdates); | 31 DISALLOW_COPY_AND_ASSIGN(ScopedNSDisableScreenUpdates); |
| 32 }; | 32 }; |
| 33 | 33 |
| 34 } // namespace mac | 34 } // namespace mac |
| 35 } // namespace app | 35 } // namespace app |
| 36 | 36 |
| 37 #endif // APP_MAC_SCOPED_NSDISABLE_SCREEN_UPDATES_H_ | 37 #endif // UI_GFX_MAC_SCOPED_NSDISABLE_SCREEN_UPDATES_H_ |
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