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comparison: ipc/chromium/src/base/message_pump_android.h
ipc/chromium/src/base/message_pump_android.h
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| 1 // Copyright (c) 2010 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_MESSAGE_PUMP_ANDROID_H_ | |
| 6 #define BASE_MESSAGE_PUMP_ANDROID_H_ | |
| 7 | |
| 8 #include "base/message_pump.h" | |
| 9 #include "base/time.h" | |
| 10 | |
| 11 namespace base { | |
| 12 | |
| 13 class MessagePumpForUI; | |
| 14 | |
| 15 class MessagePumpAndroid { | |
| 16 | |
| 17 public: | |
| 18 MessagePumpAndroid(MessagePumpForUI &pump); | |
| 19 ~MessagePumpAndroid(); | |
| 20 | |
| 21 private: | |
| 22 base::MessagePumpForUI &pump; | |
| 23 }; | |
| 24 | |
| 25 // This class implements a MessagePump needed for TYPE_UI MessageLoops on | |
| 26 // Android | |
| 27 class MessagePumpForUI : public MessagePump { | |
| 28 | |
| 29 public: | |
| 30 MessagePumpForUI(); | |
| 31 ~MessagePumpForUI(); | |
| 32 | |
| 33 virtual void Run(Delegate* delegate); | |
| 34 virtual void Quit(); | |
| 35 virtual void ScheduleWork(); | |
| 36 virtual void ScheduleDelayedWork(const TimeTicks& delayed_work_time); | |
| 37 | |
| 38 // Internal methods used for processing the pump callbacks. They are | |
| 39 // public for simplicity but should not be used directly. | |
| 40 // HandleDispatch is called after the poll has completed. | |
| 41 void HandleDispatch(); | |
| 42 | |
| 43 private: | |
| 44 // We may make recursive calls to Run, so we save state that needs to be | |
| 45 // separate between them in this structure type. | |
| 46 struct RunState { | |
| 47 Delegate* delegate; | |
| 48 | |
| 49 // Used to flag that the current Run() invocation should return ASAP. | |
| 50 bool should_quit; | |
| 51 | |
| 52 // Used to count how many Run() invocations are on the stack. | |
| 53 int run_depth; | |
| 54 | |
| 55 // Used internally for controlling whether we want a message pump | |
| 56 // iteration to be blocking or not. | |
| 57 bool more_work_is_plausible; | |
| 58 }; | |
| 59 | |
| 60 RunState* state_; | |
| 61 | |
| 62 // This is the time when we need to do delayed work. | |
| 63 TimeTicks delayed_work_time_; | |
| 64 | |
| 65 bool work_scheduled; | |
| 66 | |
| 67 // MessagePump implementation for Android based on the GLib implement. | |
| 68 MessagePumpAndroid pump; | |
| 69 | |
| 70 DISALLOW_COPY_AND_ASSIGN(MessagePumpForUI); | |
| 71 }; | |
| 72 | |
| 73 } // namespace base | |
| 74 | |
| 75 #endif // BASE_MESSAGE_PUMP_ANDROID_H_ |
