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| 1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef BASE_SCOPED_HANDLE_GTK_H_ |
| 6 #define BASE_SCOPED_HANDLE_GTK_H_ |
| 7 |
| 8 #include <gdk/gdk.h> |
| 9 |
| 10 // Wraps a GdkRegion. This class provides the same methods as ScopedGDIObject in |
| 11 // scoped_handle_win. |
| 12 class ScopedRegion { |
| 13 public: |
| 14 ScopedRegion() : region_(NULL) {} |
| 15 explicit ScopedRegion(GdkRegion* region) : region_(region) {} |
| 16 |
| 17 ~ScopedRegion() { |
| 18 Close(); |
| 19 } |
| 20 |
| 21 void Set(GdkRegion* region) { |
| 22 Close(); |
| 23 |
| 24 region_ = region; |
| 25 } |
| 26 |
| 27 GdkRegion* Get() { |
| 28 return region_; |
| 29 } |
| 30 |
| 31 GdkRegion* release() { |
| 32 GdkRegion* region = region_; |
| 33 region_ = NULL; |
| 34 return region; |
| 35 } |
| 36 |
| 37 private: |
| 38 void Close() { |
| 39 if (region_) { |
| 40 gdk_region_destroy(region_); |
| 41 region_ = NULL; |
| 42 } |
| 43 } |
| 44 |
| 45 GdkRegion* region_; |
| 46 |
| 47 DISALLOW_COPY_AND_ASSIGN(ScopedRegion); |
| 48 }; |
| 49 |
| 50 #endif // BASE_SCOPED_HANDLE_GTK_H_ |
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