1 // Copyright 2016 The Android Open Source Project 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef BUFFET_BINDER_WEAVE_SERVICE_H_ 16 #define BUFFET_BINDER_WEAVE_SERVICE_H_ 17 18 #include <memory> 19 #include <vector> 20 #include <string> 21 22 #include <base/macros.h> 23 #include <base/memory/weak_ptr.h> 24 25 #include "android/weave/IWeaveClient.h" 26 #include "android/weave/BnWeaveService.h" 27 28 namespace weave { 29 class Command; 30 class Device; 31 } 32 33 namespace buffet { 34 35 // An implementation of android::weave::IWeaveService binder. 36 // This object is a proxy for weave::Device. A new instance of weave service is 37 // created for each connected client. As soon as the client disconnects, this 38 // object takes care of cleaning up that client's resources (e.g. it removes 39 // the components and their state added by the client). 40 class BinderWeaveService final : public android::weave::BnWeaveService { 41 public: 42 BinderWeaveService(weave::Device* device, 43 android::sp<android::weave::IWeaveClient> client); 44 ~BinderWeaveService() override; 45 46 private: 47 // Binder methods for android::weave::IWeaveService: 48 android::binder::Status addComponent( 49 const android::String16& name, 50 const std::vector<android::String16>& traits) override; 51 android::binder::Status registerCommandHandler( 52 const android::String16& component, 53 const android::String16& command) override; 54 android::binder::Status updateState( 55 const android::String16& component, 56 const android::String16& state) override; 57 58 void OnCommand(const std::string& component_name, 59 const std::string& command_name, 60 const std::weak_ptr<weave::Command>& command); 61 62 weave::Device* device_; 63 android::sp<android::weave::IWeaveClient> client_; 64 std::vector<std::string> components_; 65 66 base::WeakPtrFactory<BinderWeaveService> weak_ptr_factory_{this}; 67 DISALLOW_COPY_AND_ASSIGN(BinderWeaveService); 68 }; 69 70 } // namespace buffet 71 72 #endif // BUFFET_BINDER_WEAVE_SERVICE_H_ 73