1 // 2 // Copyright (C) 2015 The Android Open Source Project 3 // 4 // Licensed under the Apache License, Version 2.0 (the "License"); 5 // you may not use this file except in compliance with the License. 6 // You may obtain a copy of the License at 7 // 8 // http://www.apache.org/licenses/LICENSE-2.0 9 // 10 // Unless required by applicable law or agreed to in writing, software 11 // distributed under the License is distributed on an "AS IS" BASIS, 12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 // See the License for the specific language governing permissions and 14 // limitations under the License. 15 // 16 17 #ifndef APMANAGER_EVENT_DISPATCHER_H_ 18 #define APMANAGER_EVENT_DISPATCHER_H_ 19 20 #include <base/callback.h> 21 #include <base/lazy_instance.h> 22 23 namespace apmanager { 24 25 // Singleton class for dispatching tasks to current message loop. 26 class EventDispatcher { 27 public: 28 virtual ~EventDispatcher(); 29 30 // This is a singleton. Use EventDispatcher::GetInstance()->Foo(). 31 static EventDispatcher* GetInstance(); 32 33 // These are thin wrappers around calls of the same name in 34 // <base/message_loop_proxy.h> 35 virtual bool PostTask(const base::Closure& task); 36 virtual bool PostDelayedTask(const base::Closure& task, 37 int64_t delay_ms); 38 39 protected: 40 EventDispatcher(); 41 42 private: 43 friend struct base::DefaultLazyInstanceTraits<EventDispatcher>; 44 45 DISALLOW_COPY_AND_ASSIGN(EventDispatcher); 46 }; 47 48 } // namespace apmanager 49 50 #endif // APMANAGER_EVENT_DISPATCHER_H_ 51
