1 /* 2 * Copyright (c) 2023 Shenzhen Kaihong Digital Industry Development 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_SHARING_CONTEXT_H 17 #define OHOS_SHARING_CONTEXT_H 18 19 #include <unordered_map> 20 #include "agent/agent.h" 21 #include "common/identifier.h" 22 #include "event/handle_event_base.h" 23 24 namespace OHOS { 25 namespace Sharing { 26 27 class Context : public EventEmitter, 28 public IdentifierInfo, 29 public HandleEventBase, 30 public IAgentListener, 31 public std::enable_shared_from_this<Context> { 32 public: 33 using Ptr = std::shared_ptr<Context>; 34 35 Context(); 36 virtual ~Context(); 37 38 bool IsEmptyAgent(); 39 bool IsEmptySrcAgent(uint32_t sinkAgentId); 40 int32_t GetSrcAgentSize(); 41 int32_t GetSinkAgentSize(); 42 int32_t HandleEvent(SharingEvent &event) override; 43 44 void Release(); 45 void OnAgentNotify(AgentStatusMsg::Ptr &statusMsg) override; 46 void SendInteractionEvent(EventType eventType, ContextEventMsg::Ptr &eventMsg); 47 48 private: 49 void RemoveAgent(uint32_t agentId); 50 void DistributeEvent(SharingEvent &event); 51 void CheckNeedDestroySink(uint32_t sinkAgentId); 52 Agent::Ptr GetAgentById(uint32_t agentId); 53 54 void HandleAgentDestroy(SharingEvent &event); 55 void HandleStateDestroyAgent(SharingEvent &event); 56 uint32_t HandleCreateAgent(const std::string &designation, AgentType agentType, uint32_t sinkAgentId); 57 58 private: 59 uint32_t interactionId_ = INVALID_ID; 60 61 std::mutex mutex_; 62 std::atomic<bool> destroying_ = false; 63 std::unordered_map<int32_t, Agent::Ptr> agents_; 64 }; 65 66 } // namespace Sharing 67 } // namespace OHOS 68 #endif 69