1 // 2 // Copyright 2015 Google, Inc. 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 #pragma once 18 19 #include <base/macros.h> 20 #include <base/memory/ref_counted.h> 21 22 #include "service/ipc/ipc_manager.h" 23 24 namespace bluetooth { 25 class Adapter; 26 } // namespace bluetooth 27 28 namespace ipc { 29 30 // IPCHandler is an interface that classes implementing different IPC mechanisms 31 // must conform to. 32 class IPCHandler : public base::RefCountedThreadSafe<IPCHandler> { 33 public: 34 IPCHandler(bluetooth::Adapter* adapter, IPCManager::Delegate* delegate); 35 virtual ~IPCHandler(); 36 37 // Initializes and runs the IPC mechanism. Returns true on success, false 38 // otherwise. 39 virtual bool Run() = 0; 40 41 // Stops the IPC mechanism. 42 virtual void Stop() = 0; 43 44 protected: 45 // Getters for private members to allow subclasses to access them in read-only 46 // fashion. adapter()47 bluetooth::Adapter* adapter() const { return adapter_; } delegate()48 IPCManager::Delegate* delegate() const { return delegate_; } 49 50 private: 51 IPCHandler() = default; 52 53 // Weak reference to the global Adapter instance. 54 bluetooth::Adapter* adapter_; 55 56 // The delegate that is interested in notifications from us. 57 IPCManager::Delegate* delegate_; 58 59 DISALLOW_COPY_AND_ASSIGN(IPCHandler); 60 }; 61 62 } // namespace ipc 63