sky@chromium.org | 922da97 | 2009-11-04 14:05:48 +0900 | [diff] [blame] | 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_ |