1 /* 2 * Copyright (c) 2023 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_AVCAST_CONTROLLER_H 17 #define OHOS_NAPI_AVCAST_CONTROLLER_H 18 19 #include "avcast_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_avcast_controller_callback.h" 25 #include "napi_async_work.h" 26 27 namespace OHOS::AVSession { 28 class NapiAVCastController { 29 public: 30 NapiAVCastController(); 31 ~NapiAVCastController(); 32 33 static napi_value Init(napi_env env, napi_value exports); 34 static napi_status NewInstance(napi_env env, std::shared_ptr<AVCastController>& nativeController, 35 napi_value& out); 36 37 using OnEventHandlerType = std::function<napi_status(napi_env, NapiAVCastController*, napi_value, napi_value)>; 38 using OffEventHandlerType = std::function<napi_status(napi_env, NapiAVCastController*, 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 SendControlCommand(napi_env env, napi_callback_info info); 46 static napi_value Start(napi_env env, napi_callback_info info); 47 static napi_value Prepare(napi_env env, napi_callback_info info); 48 static napi_value GetDuration(napi_env env, napi_callback_info info); 49 static napi_value GetCastAVPlaybackState(napi_env env, napi_callback_info info); 50 static napi_value GetCurrentItem(napi_env env, napi_callback_info info); 51 static napi_value SetDisplaySurface(napi_env env, napi_callback_info info); 52 static napi_status SetCastPlaybackStateFilter(napi_env env, NapiAVCastController *napiCastController, 53 napi_value filter); 54 55 static napi_status OnPlaybackStateChange(napi_env env, NapiAVCastController* napiCastController, 56 napi_value param, napi_value callback); 57 static napi_status OnMediaItemChange(napi_env env, NapiAVCastController* napiCastController, 58 napi_value param, napi_value callback); 59 60 static napi_status OnPlayNext(napi_env env, NapiAVCastController* napiCastController, 61 napi_value param, napi_value callback); 62 static napi_status OnPlayPrevious(napi_env env, NapiAVCastController* napiCastController, 63 napi_value param, napi_value callback); 64 static napi_status OnSeekDone(napi_env env, NapiAVCastController* napiCastController, 65 napi_value param, napi_value callback); 66 static napi_status OnVideoSizeChange(napi_env env, NapiAVCastController* napiCastController, 67 napi_value param, napi_value callback); 68 static napi_status OnPlayerError(napi_env env, NapiAVCastController* napiCastController, 69 napi_value param, napi_value callback); 70 static napi_status OnEndOfStream(napi_env env, NapiAVCastController* napiCastController, 71 napi_value param, napi_value callback); 72 73 static napi_status OffPlaybackStateChange(napi_env env, NapiAVCastController* napiCastController, 74 napi_value callback); 75 static napi_status OffMediaItemChange(napi_env env, NapiAVCastController* napiCastController, napi_value callback); 76 static napi_status OffPlayNext(napi_env env, NapiAVCastController* napiCastController, 77 napi_value callback); 78 static napi_status OffPlayPrevious(napi_env env, NapiAVCastController* napiCastController, napi_value callback); 79 static napi_status OffSeekDone(napi_env env, NapiAVCastController* napiCastController, napi_value callback); 80 static napi_status OffVideoSizeChange(napi_env env, NapiAVCastController* napiCastController, napi_value callback); 81 static napi_status OffPlayerError(napi_env env, NapiAVCastController* napiCastController, napi_value callback); 82 static napi_status OffEndOfStream(napi_env env, NapiAVCastController* napiCastController, napi_value callback); 83 84 static void ErrCodeToMessage(int32_t errCode, std::string& message); 85 static napi_status RegisterCallback(napi_env env, const std::shared_ptr<ContextBase>& context, 86 const std::string& event, napi_value filter, napi_value callback); 87 88 napi_ref wrapperRef_ {}; 89 std::shared_ptr<AVCastController> castController_; 90 std::shared_ptr<NapiAVCastControllerCallback> callback_; 91 92 static constexpr size_t ARGC_ONE = 1; 93 static constexpr size_t ARGC_TWO = 2; 94 static constexpr size_t ARGC_THREE = 3; 95 96 static constexpr size_t ARGV_FIRST = 0; 97 static constexpr size_t ARGV_SECOND = 1; 98 static constexpr size_t ARGV_THIRD = 2; 99 100 static std::map<std::string, std::pair<OnEventHandlerType, OffEventHandlerType>> EventHandlers_; 101 }; 102 } // namespace OHOS::AVSession 103 #endif // OHOS_NAPI_AVCAST_CONTROLLER_H 104