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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 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_MESSAGE_LOOP_MESSAGE_LOOP_H_ | 5 #ifndef BASE_MESSAGE_LOOP_MESSAGE_LOOP_H_ |
6 #define BASE_MESSAGE_LOOP_MESSAGE_LOOP_H_ | 6 #define BASE_MESSAGE_LOOP_MESSAGE_LOOP_H_ |
7 | 7 |
8 #include <queue> | 8 #include <queue> |
9 #include <string> | 9 #include <string> |
10 | 10 |
11 #include "base/base_export.h" | 11 #include "base/base_export.h" |
12 #include "base/basictypes.h" | 12 #include "base/basictypes.h" |
13 #include "base/callback_forward.h" | 13 #include "base/callback_forward.h" |
14 #include "base/location.h" | 14 #include "base/location.h" |
15 #include "base/memory/ref_counted.h" | 15 #include "base/memory/ref_counted.h" |
16 #include "base/memory/scoped_ptr.h" | 16 #include "base/memory/scoped_ptr.h" |
17 #include "base/message_loop/incoming_task_queue.h" | 17 #include "base/message_loop/incoming_task_queue.h" |
18 #include "base/message_loop/message_loop_proxy.h" | 18 #include "base/message_loop/message_loop_proxy.h" |
19 #include "base/message_loop/message_loop_proxy_impl.h" | 19 #include "base/message_loop/message_loop_proxy_impl.h" |
20 #include "base/message_loop/message_pump.h" | 20 #include "base/message_loop/message_pump.h" |
21 #include "base/message_loop/message_pump_dispatcher.h" | |
22 #include "base/message_loop/message_pump_observer.h" | |
21 #include "base/observer_list.h" | 23 #include "base/observer_list.h" |
22 #include "base/pending_task.h" | 24 #include "base/pending_task.h" |
23 #include "base/sequenced_task_runner_helpers.h" | 25 #include "base/sequenced_task_runner_helpers.h" |
24 #include "base/synchronization/lock.h" | 26 #include "base/synchronization/lock.h" |
25 #include "base/time/time.h" | 27 #include "base/time/time.h" |
26 #include "base/tracking_info.h" | 28 #include "base/tracking_info.h" |
27 | 29 |
28 #if defined(OS_WIN) | 30 #if defined(OS_WIN) |
29 // We need this to declare base::MessagePumpWin::Dispatcher, which we should | 31 // We need this to declare base::MessagePumpWin::Dispatcher, which we should |
30 // really just eliminate. | 32 // really just eliminate. |
31 #include "base/message_loop/message_pump_win.h" | 33 #include "base/message_loop/message_pump_win.h" |
32 #elif defined(OS_IOS) | 34 #elif defined(OS_IOS) |
33 #include "base/message_loop/message_pump_io_ios.h" | 35 #include "base/message_loop/message_pump_io_ios.h" |
34 #elif defined(OS_POSIX) | 36 #elif defined(OS_POSIX) |
35 #include "base/message_loop/message_pump_libevent.h" | 37 #include "base/message_loop/message_pump_libevent.h" |
36 #if !defined(OS_MACOSX) && !defined(OS_ANDROID) | 38 #if !defined(OS_MACOSX) && !defined(OS_ANDROID) |
37 | 39 |
38 #if defined(USE_AURA) && defined(USE_X11) && !defined(OS_NACL) | 40 #if defined(USE_AURA) && defined(USE_X11) && !defined(OS_NACL) |
39 #include "base/message_loop/message_pump_aurax11.h" | 41 #include "base/message_loop/message_pump_aurax11.h" |
40 #elif defined(USE_OZONE) && !defined(OS_NACL) | 42 #elif defined(USE_OZONE) && !defined(OS_NACL) |
41 #include "base/message_loop/message_pump_ozone.h" | 43 #include "base/message_loop/message_pump_ozone.h" |
42 #else | 44 #else |
45 #define USE_GTK_MESSAGE_PUMP | |
43 #include "base/message_loop/message_pump_gtk.h" | 46 #include "base/message_loop/message_pump_gtk.h" |
44 #endif | 47 #endif |
45 | 48 |
46 #endif | 49 #endif |
47 #endif | 50 #endif |
48 | 51 |
49 namespace base { | 52 namespace base { |
50 | 53 |
51 class HistogramBase; | 54 class HistogramBase; |
52 class RunLoop; | 55 class RunLoop; |
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83 // hr = DoDragDrop(...); // Implicitly runs a modal message loop. | 86 // hr = DoDragDrop(...); // Implicitly runs a modal message loop. |
84 // } | 87 // } |
85 // // Process |hr| (the result returned by DoDragDrop()). | 88 // // Process |hr| (the result returned by DoDragDrop()). |
86 // | 89 // |
87 // Please be SURE your task is reentrant (nestable) and all global variables | 90 // Please be SURE your task is reentrant (nestable) and all global variables |
88 // are stable and accessible before calling SetNestableTasksAllowed(true). | 91 // are stable and accessible before calling SetNestableTasksAllowed(true). |
89 // | 92 // |
90 class BASE_EXPORT MessageLoop : public MessagePump::Delegate { | 93 class BASE_EXPORT MessageLoop : public MessagePump::Delegate { |
91 public: | 94 public: |
92 | 95 |
93 #if !defined(OS_MACOSX) && !defined(OS_ANDROID) | 96 #if defined(USE_GTK_MESSAGE_PUMP) |
97 typedef void* Dispatcher; | |
piman
2013/09/05 18:12:43
Do we need this, then? Can we remove it?
sadrul
2013/09/05 18:32:23
Done (required a couple of additional ifdef change
| |
98 typedef MessagePumpGdkObserver Observer; | |
99 #elif !defined(OS_MACOSX) && !defined(OS_ANDROID) | |
94 typedef MessagePumpDispatcher Dispatcher; | 100 typedef MessagePumpDispatcher Dispatcher; |
95 typedef MessagePumpObserver Observer; | 101 typedef MessagePumpObserver Observer; |
96 #endif | 102 #endif |
97 | 103 |
98 // A MessageLoop has a particular type, which indicates the set of | 104 // A MessageLoop has a particular type, which indicates the set of |
99 // asynchronous events it may process in addition to tasks and timers. | 105 // asynchronous events it may process in addition to tasks and timers. |
100 // | 106 // |
101 // TYPE_DEFAULT | 107 // TYPE_DEFAULT |
102 // This type of ML only supports tasks and timers. | 108 // This type of ML only supports tasks and timers. |
103 // | 109 // |
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710 | 716 |
711 // Do not add any member variables to MessageLoopForIO! This is important b/c | 717 // Do not add any member variables to MessageLoopForIO! This is important b/c |
712 // MessageLoopForIO is often allocated via MessageLoop(TYPE_IO). Any extra | 718 // MessageLoopForIO is often allocated via MessageLoop(TYPE_IO). Any extra |
713 // data that you need should be stored on the MessageLoop's pump_ instance. | 719 // data that you need should be stored on the MessageLoop's pump_ instance. |
714 COMPILE_ASSERT(sizeof(MessageLoop) == sizeof(MessageLoopForIO), | 720 COMPILE_ASSERT(sizeof(MessageLoop) == sizeof(MessageLoopForIO), |
715 MessageLoopForIO_should_not_have_extra_member_variables); | 721 MessageLoopForIO_should_not_have_extra_member_variables); |
716 | 722 |
717 } // namespace base | 723 } // namespace base |
718 | 724 |
719 #endif // BASE_MESSAGE_LOOP_MESSAGE_LOOP_H_ | 725 #endif // BASE_MESSAGE_LOOP_MESSAGE_LOOP_H_ |
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