1 /* 2 * Copyright (c) 2022-2023 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_AVSESSION_MANAGER_IMPL_H 17 #define OHOS_AVSESSION_MANAGER_IMPL_H 18 19 #include <string> 20 #include <memory> 21 #include <mutex> 22 23 #include "iremote_object.h" 24 #include "iservice_registry.h" 25 #include "system_ability_status_change_stub.h" 26 #include "av_session.h" 27 #include "avsession_service_proxy.h" 28 #include "avsession_info.h" 29 #include "client_death_stub.h" 30 #include "isession_listener.h" 31 #include "avsession_manager.h" 32 #include "avsession_controller.h" 33 34 namespace OHOS::AVSession { 35 class ServiceDeathRecipient; 36 class ServiceStatusListener; 37 class AVSessionManagerImpl : public AVSessionManager { 38 public: 39 AVSessionManagerImpl(); 40 41 static void DetachCallback(); 42 43 std::shared_ptr<AVSession> CreateSession(const std::string& tag, int32_t type, 44 const AppExecFwk::ElementName& elementName) override; 45 46 int32_t CreateSession(const std::string& tag, int32_t type, const AppExecFwk::ElementName& elementName, 47 std::shared_ptr<AVSession>& session) override; 48 49 int32_t CreateSessionWithExtra(const std::string& tag, int32_t type, const std::string& extraInfo, 50 const AppExecFwk::ElementName& elementName, 51 std::shared_ptr<AVSession>& session) override; 52 53 int32_t GetAllSessionDescriptors(std::vector<AVSessionDescriptor>& descriptors) override; 54 55 int32_t CreateController(const std::string& sessionId, std::shared_ptr<AVSessionController>& controller) override; 56 57 #ifdef CASTPLUS_CAST_ENGINE_ENABLE 58 int32_t GetAVCastController(const std::string& sessionId, 59 std::shared_ptr<AVCastController>& castController) override; 60 #endif 61 62 int32_t GetActivatedSessionDescriptors(std::vector<AVSessionDescriptor>& activatedSessions) override; 63 64 int32_t GetSessionDescriptorsBySessionId(const std::string& sessionId, AVSessionDescriptor& descriptor) override; 65 66 int32_t GetHistoricalSessionDescriptors(int32_t maxSize, std::vector<AVSessionDescriptor>& descriptors) override; 67 68 int32_t GetHistoricalAVQueueInfos(int32_t maxSize, int32_t maxAppSize, 69 std::vector<AVQueueInfo>& avQueueInfos) override; 70 71 int32_t RegisterSessionListener(const std::shared_ptr<SessionListener>& listener) override; 72 73 int32_t RegisterSessionListenerForAllUsers(const std::shared_ptr<SessionListener>& listener) override; 74 75 int32_t RegisterServiceDeathCallback(const DeathCallback& callback) override; 76 77 int32_t UnregisterServiceDeathCallback() override; 78 79 int32_t RegisterServiceStartCallback(const std::function<void()> serviceStartCallback) override; 80 81 int32_t UnregisterServiceStartCallback() override; 82 83 int32_t SendSystemAVKeyEvent(const MMI::KeyEvent& keyEvent) override; 84 85 int32_t SendSystemAVKeyEvent(const MMI::KeyEvent& keyEvent, const AAFwk::Want &wantParam) override; 86 87 int32_t SendSystemControlCommand(const AVControlCommand& command) override; 88 89 int32_t CastAudio(const SessionToken& token, 90 const std::vector<AudioStandard::AudioDeviceDescriptor>& descriptors) override; 91 92 int32_t CastAudioForAll(const std::vector<AudioStandard::AudioDeviceDescriptor>& descriptors) override; 93 94 int32_t StartAVPlayback(const std::string& bundleName, const std::string& assetId) override; 95 96 int32_t Close(void) override; 97 98 int32_t GetDistributedSessionControllers(const DistributedSessionType& sessionType, 99 std::vector<std::shared_ptr<AVSessionController>>& sessionControllers) override; 100 101 #ifdef CASTPLUS_CAST_ENGINE_ENABLE 102 int32_t StartCastDiscovery(int32_t castDeviceCapability, std::vector<std::string> drmSchemes) override; 103 104 int32_t StopCastDiscovery() override; 105 106 int32_t SetDiscoverable(const bool enable) override; 107 108 int32_t StartDeviceLogging(int32_t fd, uint32_t maxSize) override; 109 110 int32_t StopDeviceLogging() override; 111 112 int32_t StartCast(const SessionToken& sessionToken, const OutputDeviceInfo& outputDeviceInfo) override; 113 114 int32_t StopCast(const SessionToken& sessionToken) override; 115 #endif 116 117 private: 118 sptr<AVSessionServiceProxy> GetService(); 119 120 void RegisterServiceStateListener(sptr<ISystemAbilityManager> mgr); 121 122 void OnServiceDie(); 123 124 void OnServiceStateChange(bool isAddSystemAbility); 125 126 void RegisterClientDeathObserver(); 127 128 sptr<ISessionListener> GetSessionListenerClient(const std::shared_ptr<SessionListener>& listener); 129 130 std::mutex lock_; 131 sptr<AVSessionServiceProxy> service_; 132 sptr<ServiceDeathRecipient> serviceDeathRecipient_; 133 std::map<int32_t, sptr<ISessionListener>> listenerMapByUserId_; 134 static sptr<ClientDeathStub> clientDeath_; 135 DeathCallback deathCallback_; 136 std::function<void()> serviceStartCallback_; 137 sptr<ServiceStatusListener> serviceListener_ = nullptr; 138 static constexpr int userIdForAllUsers_ = -1; 139 std::atomic<bool> isServiceDie_ = false; 140 #ifdef START_STOP_ON_DEMAND_ENABLE 141 const int32_t loadSystemAbilityWaitTimeOut_ = 30; 142 #endif 143 }; 144 145 class ServiceStatusListener : public SystemAbilityStatusChangeStub { 146 public: 147 explicit ServiceStatusListener(const std::function<void(bool)>& callback); 148 149 void OnAddSystemAbility(int32_t systemAbilityId, const std::string& deviceId) override; 150 void OnRemoveSystemAbility(int32_t systemAbilityId, const std::string& deviceId) override; 151 private: 152 std::function<void(bool)> callback_; 153 }; 154 155 class ServiceDeathRecipient : public IRemoteObject::DeathRecipient { 156 public: 157 explicit ServiceDeathRecipient(const std::function<void()>& callback); 158 159 void OnRemoteDied(const wptr<IRemoteObject>& object) override; 160 161 private: 162 std::function<void()> callback_; 163 }; 164 } // namespace OHOS::AVSession 165 #endif // OHOS_AVSESSION_MANAGER_IMPL_H 166