1 /* 2 * Copyright (c) 2022 Huawei Device Co., Ltd. 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 16 #ifndef OHOS_NAPI_AVSESSION_CONTROLLER_H 17 #define OHOS_NAPI_AVSESSION_CONTROLLER_H 18 19 #include "avsession_controller.h" 20 #include "avsession_log.h" 21 #include "avsession_manager.h" 22 #include "napi/native_api.h" 23 #include "napi/native_node_api.h" 24 #include "napi_avcontroller_callback.h" 25 #include "napi_async_work.h" 26 27 namespace OHOS::AVSession { 28 class NapiAVSessionController { 29 public: 30 NapiAVSessionController(); 31 ~NapiAVSessionController(); 32 33 static napi_value Init(napi_env env, napi_value exports); 34 static napi_status NewInstance(napi_env env, std::shared_ptr<AVSessionController>& nativeController, 35 napi_value& out); 36 37 using OnEventHandlerType = std::function<napi_status(napi_env, NapiAVSessionController*, napi_value, napi_value)>; 38 using OffEventHandlerType = std::function<napi_status(napi_env, NapiAVSessionController*, napi_value)>; 39 40 private: 41 static napi_value ConstructorCallback(napi_env env, napi_callback_info info); 42 static napi_value OnEvent(napi_env env, napi_callback_info info); 43 static napi_value OffEvent(napi_env env, napi_callback_info info); 44 45 static napi_value GetAVPlaybackState(napi_env env, napi_callback_info info); 46 static napi_value GetAVMetaData(napi_env env, napi_callback_info info); 47 static napi_value SendAVKeyEvent(napi_env env, napi_callback_info info); 48 static napi_value GetLaunchAbility(napi_env env, napi_callback_info info); 49 static napi_value GetValidCommands(napi_env env, napi_callback_info info); 50 static napi_value IsSessionActive(napi_env env, napi_callback_info info); 51 static napi_value SendControlCommand(napi_env env, napi_callback_info info); 52 static napi_value Destroy(napi_env env, napi_callback_info info); 53 static napi_value GetRealPlaybackPositionSync(napi_env env, napi_callback_info info); 54 static napi_value GetOutputDevice(napi_env env, napi_callback_info info); 55 56 static napi_status OnSessionDestroy(napi_env env, NapiAVSessionController* napiController, 57 napi_value param, napi_value callback); 58 static napi_status OnPlaybackStateChange(napi_env env, NapiAVSessionController* napiController, 59 napi_value param, napi_value callback); 60 static napi_status OnMetaDataChange(napi_env env, NapiAVSessionController* napiController, 61 napi_value param, napi_value callback); 62 static napi_status OnActiveStateChange(napi_env env, NapiAVSessionController* napiController, 63 napi_value param, napi_value callback); 64 static napi_status OnValidCommandChange(napi_env env, NapiAVSessionController* napiController, 65 napi_value param, napi_value callback); 66 static napi_status OnOutputDeviceChange(napi_env env, NapiAVSessionController* napiController, 67 napi_value param, napi_value callback); 68 69 static napi_status OffSessionDestroy(napi_env env, NapiAVSessionController* napiController, napi_value callback); 70 static napi_status OffPlaybackStateChange(napi_env env, NapiAVSessionController* napiController, 71 napi_value callback); 72 static napi_status OffMetaDataChange(napi_env env, NapiAVSessionController* napiController, napi_value callback); 73 static napi_status OffActiveStateChange(napi_env env, NapiAVSessionController* napiController, napi_value callback); 74 static napi_status OffValidCommandChange(napi_env env, NapiAVSessionController* napiController, 75 napi_value callback); 76 static napi_status OffOutputDeviceChange(napi_env env, NapiAVSessionController* napiController, 77 napi_value callback); 78 79 static napi_status SetPlaybackStateFilter(napi_env env, NapiAVSessionController* napiController, 80 napi_value filter); 81 static napi_status SetMetaFilter(napi_env env, NapiAVSessionController* napiController, napi_value filter); 82 static napi_status RegisterCallback(napi_env env, const std::shared_ptr<ContextBase>& context, 83 const std::string& eventName, napi_value filter, napi_value callback); 84 85 napi_ref wrapperRef_ {}; 86 std::string sessionId_; 87 std::shared_ptr<AVSessionController> controller_; 88 std::shared_ptr<NapiAVControllerCallback> callback_; 89 90 static constexpr size_t ARGC_ONE = 1; 91 static constexpr size_t ARGC_TWO = 2; 92 static constexpr size_t ARGC_THERE = 3; 93 94 static constexpr size_t ARGV_FIRST = 0; 95 static constexpr size_t ARGV_SECOND = 1; 96 static constexpr size_t ARGV_THIRD = 2; 97 98 static std::map<std::string, std::pair<OnEventHandlerType, OffEventHandlerType>> EventHandlers_; 99 }; 100 } // namespace OHOS::AVSession 101 #endif // OHOS_NAPI_AVSESSION_CONTROLLER_H