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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 BASE_X11_X11_ERROR_TRACKER_H_ |
| 6 #define BASE_X11_X11_ERROR_TRACKER_H_ |
| 7 |
5 #include <X11/Xlib.h> | 8 #include <X11/Xlib.h> |
6 | 9 |
| 10 #include "base/base_export.h" |
7 #include "base/basictypes.h" | 11 #include "base/basictypes.h" |
8 #include "ui/base/ui_export.h" | |
9 | 12 |
10 namespace ui { | 13 namespace base { |
11 | 14 |
12 // X11ErrorTracker catches X11 errors in a non-fatal way. It does so by | 15 // X11ErrorTracker catches X11 errors in a non-fatal way. It does so by |
13 // temporarily changing the X11 error handler. The old error handler is | 16 // temporarily changing the X11 error handler. The old error handler is |
14 // restored when the tracker is destroyed. | 17 // restored when the tracker is destroyed. |
15 class UI_EXPORT X11ErrorTracker { | 18 class BASE_EXPORT X11ErrorTracker { |
16 public: | 19 public: |
17 X11ErrorTracker(); | 20 X11ErrorTracker(); |
18 ~X11ErrorTracker(); | 21 ~X11ErrorTracker(); |
19 | 22 |
20 // Returns whether an X11 error happened since this function was last called | 23 // Returns whether an X11 error happened since this function was last called |
21 // (or since the creation of the tracker). This is potentially expensive, | 24 // (or since the creation of the tracker). This is potentially expensive, |
22 // since this causes a sync with the X server. | 25 // since this causes a sync with the X server. |
23 bool FoundNewError(); | 26 bool FoundNewError(); |
24 | 27 |
25 private: | 28 private: |
26 #if !defined(TOOLKIT_GTK) | 29 #if !defined(TOOLKIT_GTK) |
27 XErrorHandler old_handler_; | 30 XErrorHandler old_handler_; |
28 #endif | 31 #endif |
29 | 32 |
30 DISALLOW_COPY_AND_ASSIGN(X11ErrorTracker); | 33 DISALLOW_COPY_AND_ASSIGN(X11ErrorTracker); |
31 }; | 34 }; |
32 | 35 |
33 } // namespace ui | 36 } // namespace base |
| 37 |
| 38 #endif // BASE_X11_X11_ERROR_TRACKER_H_ |
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