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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 BASE_MESSAGE_PUMP_GLIB_X_DISPATCH_H | 5 #ifndef BASE_MESSAGE_PUMP_GLIB_X_DISPATCH_H |
6 #define BASE_MESSAGE_PUMP_GLIB_X_DISPATCH_H | 6 #define BASE_MESSAGE_PUMP_GLIB_X_DISPATCH_H |
7 | 7 |
8 #include "base/message_pump.h" | 8 #include "base/message_pump.h" |
9 #include "base/message_pump_glib.h" | 9 #include "base/message_pump_glib.h" |
10 | 10 |
11 typedef union _XEvent XEvent; | 11 typedef union _XEvent XEvent; |
12 | 12 |
13 namespace base { | 13 namespace base { |
14 | 14 |
15 // The message pump used for TOUCH_UI on linux is MessagePumpGlibX, which can | 15 // The message pump used for TOUCH_UI on linux is MessagePumpGlibX, which can |
16 // dispatch both GdkEvents* and XEvents* captured directly from X. | 16 // dispatch both GdkEvents* and XEvents* captured directly from X. |
17 // MessagePumpForUI::Dispatcher provides the mechanism for dispatching | 17 // MessagePumpForUI::Dispatcher provides the mechanism for dispatching |
18 // GdkEvents. This class provides additional mechanism for dispatching XEvents. | 18 // GdkEvents. This class provides additional mechanism for dispatching XEvents. |
19 class MessagePumpGlibXDispatcher : public MessagePumpForUI::Dispatcher { | 19 class MessagePumpGlibXDispatcher : public MessagePumpForUI::Dispatcher { |
20 public: | 20 public: |
21 | 21 enum DispatchStatus { |
22 typedef enum { | |
23 EVENT_IGNORED, // The event was not processed. | 22 EVENT_IGNORED, // The event was not processed. |
24 EVENT_PROCESSED, // The event has been processed. | 23 EVENT_PROCESSED, // The event has been processed. |
25 EVENT_QUIT // The event was processed and the message-loop should | 24 EVENT_QUIT // The event was processed and the message-loop should |
26 // terminate. | 25 // terminate. |
27 } DispatchStatus; | 26 }; |
28 | 27 |
29 // Dispatches the event. EVENT_IGNORED is returned if the event was ignored | 28 // Dispatches the event. EVENT_IGNORED is returned if the event was ignored |
30 // (i.e. not processed). EVENT_PROCESSED is returned if the event was | 29 // (i.e. not processed). EVENT_PROCESSED is returned if the event was |
31 // processed. The nested loop exits immediately if EVENT_QUIT is returned. | 30 // processed. The nested loop exits immediately if EVENT_QUIT is returned. |
32 virtual DispatchStatus Dispatch(XEvent* xevent) = 0; | 31 virtual DispatchStatus Dispatch(XEvent* xevent) = 0; |
33 }; | 32 }; |
34 | 33 |
35 } // namespace base | 34 } // namespace base |
36 | 35 |
37 #endif // BASE_MESSAGE_PUMP_GLIB_X_DISPATCH_H | 36 #endif // BASE_MESSAGE_PUMP_GLIB_X_DISPATCH_H |
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