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 LIBBRILLO_BRILLO_BINDER_WATCHER_H_ 18 #define LIBBRILLO_BRILLO_BINDER_WATCHER_H_ 19 20 #include <base/macros.h> 21 #include <brillo/message_loops/message_loop.h> 22 23 namespace brillo { 24 25 // Bridge between libbinder and brillo::MessageLoop. Construct at startup to 26 // make the message loop watch for binder events and pass them to libbinder. 27 class BinderWatcher final { 28 public: 29 // Construct the BinderWatcher using the passed |message_loop| if not null or 30 // the current MessageLoop otherwise. 31 explicit BinderWatcher(MessageLoop* message_loop); 32 BinderWatcher(); 33 ~BinderWatcher(); 34 35 // Initializes the object, returning true on success. 36 bool Init(); 37 38 private: 39 MessageLoop::TaskId task_id_{MessageLoop::kTaskIdNull}; 40 MessageLoop* message_loop_; 41 42 DISALLOW_COPY_AND_ASSIGN(BinderWatcher); 43 }; 44 45 } // namespace brillo 46 47 #endif // LIBBRILLO_BRILLO_BINDER_WATCHER_H_ 48