459 lines
15 KiB
Markdown
459 lines
15 KiB
Markdown
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# onebyone 模块代码调用结构图
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> 本文档基于优化后的代码自动生成，反映当前实际架构。
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---
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## 3.1 文件依赖关系图
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```mermaid
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graph TD
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main[main.js] --> store[store.js]
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main --> renderer[renderer.js]
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main --> utils[utils.js]
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main --> chatmsg[chatmessage.js]
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store --> models[models.js]
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store --> utils
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store --> chatmsg
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store --> signaling[../../module/signaling.js]
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store --> rs[../../module/renderstreaming.js]
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store --> config[../js/config.js]
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renderer --> utils
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renderer --> models
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renderer --> chatmsg
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renderer -.-> store
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chatmsg --> utils
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chatmsg --> store
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chatmsg --> models
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connect[connect/connect.js] --> store
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connect --> utils
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endcall[endcall/endcall.js] --> utils
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index[index.html] --> main
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connectHtml[connect/connect.html] --> connect
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endcallHtml[endcall/endcall.html] --> endcall
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style utils fill:#e1f5fe
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style models fill:#e1f5fe
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style signaling fill:#fff3e0
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style rs fill:#fff3e0
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style config fill:#fff3e0
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```
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**图例说明**
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- 蓝色：内部工具/数据模块
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- 橙色：外部依赖模块（signaling.js、renderstreaming.js、config.js）
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---
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## 3.2 核心调用链
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### 通话初始化流程
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```mermaid
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sequenceDiagram
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autonumber
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participant Browser
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participant main as main.js
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participant store as store.js
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participant render as renderer.js
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participant RS as RenderStreaming
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participant Sig as Signaling
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Browser->>main: DOMContentLoaded
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main->>main: 检查 localStorage.connectionId
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alt 无连接ID
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main->>Browser: 跳转 connect/connect.html
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else 有连接ID
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main->>render: new UIRenderer(store)
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render->>store: subscribe(render)
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main->>store: joinCall(connectionId)
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store->>store: init()
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store->>store: setupConfig() / getServerConfig()
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store->>store: loadUserSettings()
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store->>store: getLocalStream()
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store->>Browser: getUserMedia(MEDIA_CONSTRAINTS)
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Browser-->>store: MediaStream
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store->>store: notify(LOCAL_STREAM_OBTAINED)
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store->>store: notify(LOCAL_MEDIA_CHANGE x2)
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store->>store: emitMediaStateChange()
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main->>store: setUp(connectionId)
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store->>store: _createSignalingAndRTC()
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store->>Sig: new WebSocketSignaling() / new Signaling()
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store->>RS: new RenderStreaming(signaling, config)
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store->>store: _registerCallbacks()
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store->>store: _startConnection()
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store->>RS: start()
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store->>RS: createConnection(connectionId)
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RS-->>store: onConnect(role, participantId)
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store->>store: notify(CALL_STATUS_CHANGE, ongoing)
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store->>store: sendMessage(user-info)
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store->>store: emitMediaStateChange()
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main->>main: bindDomEvents()
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end
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```
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### 媒体控制流程
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```mermaid
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sequenceDiagram
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autonumber
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participant User
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participant main as main.js
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participant store as store.js
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participant render as renderer.js
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participant RS as RenderStreaming
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participant Remote as 远端
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User->>main: 点击 toggleMute / toggleVideo
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main->>store: updateLocalMedia(type, value)
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alt 开启视频
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store->>Browser: getUserMedia(VIDEO_ONLY_CONSTRAINT)
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Browser-->>store: newVideoTrack
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store->>RS: replaceTrack / addTransceiver
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store->>store: notify(LOCAL_STREAM_OBTAINED)
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store->>store: notify(LOCAL_MEDIA_CHANGE, video=true)
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store->>store: emitMediaStateChange()
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else 关闭视频
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store->>store: track.stop()
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store->>store: notify(LOCAL_MEDIA_CHANGE, video=false)
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store->>store: emitMediaStateChange()
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else 切换音频
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store->>store: track.enabled = value
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store->>store: notify(LOCAL_MEDIA_CHANGE, audio=value)
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store->>store: emitMediaStateChange()
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end
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store->>render: notify(USER_LIST_UPDATE)
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render->>render: renderUserList()
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render->>render: renderControlButtons()
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render->>render: renderLocalVideo()
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store->>RS: sendMessage(media-state-changed)
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RS->>Remote: WebSocket 信令
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Remote-->>store: onMessage(media-state-changed)
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store->>store: updateRemoteMedia()
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store->>render: notify(REMOTE_MEDIA_CHANGE)
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render->>render: renderRemoteVideo()
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render->>render: renderUserList()
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render->>render: renderParticipantVideoPlaceholder()
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```
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### 消息发送流程
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```mermaid
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sequenceDiagram
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autonumber
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participant User
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participant chat as chatmessage.js
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participant store as store.js
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participant render as renderer.js
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participant RS as RenderStreaming
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participant Remote as 远端
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User->>chat: 输入消息 / 回车
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chat->>chat: sendMessage()
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chat->>chat: addMessage() 本地
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chat->>chat: notify(NEW_MESSAGE)
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render->>render: renderMessageState(NEW_MESSAGE)
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render->>render: renderChatMessages()
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render->>render: renderUnreadCount()
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chat->>store: getRenderStreaming()
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chat->>RS: sendMessage(chat-message)
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RS->>Remote: WebSocket 信令
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Remote-->>chat: handleChatMessage(data)
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chat->>chat: addMessage() 远端
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chat->>chat: notify(NEW_MESSAGE)
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render->>render: renderMessageState(NEW_MESSAGE)
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render->>render: renderChatMessages()
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render->>render: renderUnreadCount()
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User->>chat: 点击 toggleSidebar()
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chat->>chat: notify(SIDEBAR_TOGGLE)
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render->>render: renderMessageState(SIDEBAR_TOGGLE)
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render->>render: renderSidebar()
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```
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### Participant 管理流程
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```mermaid
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sequenceDiagram
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autonumber
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participant store as store.js
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participant render as renderer.js
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participant RS as RenderStreaming
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participant Remote as 远端Participant
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Note over RS,Remote: 新 Participant 加入
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RS-->>store: onParticipantJoined(participantId)
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store->>store: 初始化 participant 默认信息
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store->>store: notify(PARTICIPANTS_UPDATE)
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store->>RS: broadcastParticipantsList()
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render->>render: renderUserList()
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render->>render: syncParticipantTileNames()
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Note over RS,Remote: Participant 离开
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RS-->>store: onParticipantLeft(participantId)
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store->>store: 清理 remoteStreams / participants
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store->>store: notify(PARTICIPANT_LEFT)
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store->>store: notify(PARTICIPANTS_UPDATE)
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store->>RS: broadcastParticipantsList()
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render->>render: renderParticipantLeft()
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render->>render: renderUserList()
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Note over RS,Remote: 成员列表同步
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RS-->>store: onMessage(participants-sync)
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store->>store: 过滤自身条目 -> state.participants
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store->>store: notify(PARTICIPANTS_UPDATE)
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render->>render: renderUserList()
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render->>render: syncParticipantTileNames()
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```
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---
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## 3.3 状态变化流转图
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### Store -> Renderer 状态流转
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```mermaid
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graph LR
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subgraph StoreNotify[store.js notify 类型]
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A[INIT]
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B[LOCAL_STREAM_OBTAINED]
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C[LOCAL_MEDIA_CHANGE]
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D[REMOTE_STREAM_OBTAINED]
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E[REMOTE_MEDIA_CHANGE]
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F[USER_LIST_UPDATE]
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G[PARTICIPANTS_UPDATE]
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H[NETWORK_CHANGE]
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I[CALL_STATUS_CHANGE]
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J[CALL_ENDED]
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K[PARTICIPANT_LEFT]
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L[DURATION_UPDATE]
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end
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subgraph RenderMethod[renderer.js 渲染方法]
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RM1[renderRemoteVideo]
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RM2[renderLocalVideo]
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RM3[renderLocalStream]
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RM4[renderRemoteStream]
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RM5[renderControlButtons]
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RM6[renderUserList]
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RM7[renderNetworkStatus]
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RM8[renderCallStatus]
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RM9[renderCallEnded]
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RM10[renderParticipantLeft]
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RM11[renderCallDuration]
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RM12[renderHeader]
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RM13[renderParticipantVideoPlaceholder]
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RM14[syncParticipantTileNames]
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end
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A --> RM1 & RM2 & RM5 & RM6 & RM12
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B --> RM3 & RM2
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C --> RM5 & RM2 & RM6
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D --> RM4
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E --> RM1 & RM6 & RM13
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F --> RM6
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G --> RM6 & RM14
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H --> RM7
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I --> RM8
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J --> RM9
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K --> RM10
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L --> RM11
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```
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### chatMessage -> Renderer 状态流转
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```mermaid
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graph LR
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subgraph ChatNotify[chatmessage.js notify 类型]
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N[NEW_MESSAGE]
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S[SIDEBAR_TOGGLE]
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end
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subgraph MsgRender[renderer.js 消息渲染]
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MR1[renderChatMessages]
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MR2[renderUnreadCount]
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MR3[renderSidebar]
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end
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N --> MR1 & MR2
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S --> MR3 & MR2
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```
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---
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## 3.4 各模块导出函数清单
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### main.js
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| 导出 | 类型 | 说明 |
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| store | 变量 | 重新导出 store 单例，供外部调试使用 |
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**内部全局函数（绑定到 window）：**
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| 函数 | 说明 |
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|------|------|
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| toggleSidebar | 切换侧边栏显示 |
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| toggleMute | 切换麦克风状态 |
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| toggleVideo | 切换摄像头状态 |
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| toggleLocalVideo | 本地视频悬停控制 |
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| toggleRecording | 切换录屏状态 |
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| endCall | 显示结束通话确认对话框 |
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| cancelEndCall | 取消结束通话 |
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| confirmEndCall | 确认结束通话，调用 store.endCall() |
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| showCallRequest | 显示通话请求弹窗 |
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| rejectCall | 拒绝通话请求 |
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| acceptCall | 接受通话请求，初始化通话 |
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### store.js (CallStateManager 类 / store 单例)
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| 方法 | 说明 |
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|------|------|
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| subscribe(callback) | 订阅状态变化 |
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| notify(changes) | 通知所有监听器 |
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| init() | 初始化配置、用户设置、本地流 |
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| loadUserSettings() | 从 localStorage 加载用户设置 |
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| setupConfig() | 获取服务器配置（WebSocket 模式） |
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| getLocalStream() | 获取本地摄像头媒体流 |
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| updateLocalMedia(mediaType, value) | 更新本地媒体状态（音频/视频/录屏） |
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| _createSignalingAndRTC(connectionId) | 创建信令和 RTC 实例 |
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| setUp(connectionId) | 设置 WebRTC 连接入口 |
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| _registerCallbacks() | 注册所有 WebRTC 回调 |
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| _startConnection(connectionId) | 启动连接和检测 |
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| hangUp() | 挂断连接，清理资源 |
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| sendMessage(type, data) | 通过 RenderStreaming 发送消息 |
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| broadcastParticipantsList() | Host 端广播成员列表 |
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| setCodecPreferences(participantId) | 设置 H264 编解码器偏好 |
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| updateRemoteMedia(mediaState, participantId) | 更新远端媒体状态 |
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| updateRemoteUserStatus(status) | 更新远端用户在线状态 |
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| updateRemoteUserNetworkQuality(q) | 更新远端网络质量 |
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| endCall() | 用户主动结束通话入口 |
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| joinCall(connectionId) | 加入通话 |
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| createCall() | 创建通话 |
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| detectNetworkQuality() | 基于 WebRTC stats 检测网络质量 |
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| startActivityDetection(stream, opts) | 启动音频活动检测（VAD） |
|
|||
|
|
| startNetworkQualityDetection() | 启动定时网络质量检测 |
|
|||
|
|
| stopNetworkQualityDetection() | 停止网络质量检测 |
|
|||
|
|
| emitMediaStateChange() | 发送媒体状态变化信令 |
|
|||
|
|
| showStatsMessage() | 显示并定时输出 WebRTC 统计信息 |
|
|||
|
|
| clearStatsMessage() | 清除统计定时器 |
|
|||
|
|
| getState / getLocalUser / getRemoteUser / getConnectionId / getRenderStreaming | Getter 方法 |
|
|||
|
|
|
|||
|
|
### renderer.js (UIRenderer 类)
|
|||
|
|
|
|||
|
|
| 方法 | 说明 |
|
|||
|
|
|------|------|
|
|||
|
|
| constructor(stateManager) | 构造函数，订阅 store 和 chatMessage |
|
|||
|
|
| render(state, changes) | 核心渲染分发器，根据 changes.type 路由 |
|
|||
|
|
| renderMessageState(msgState, changes) | 消息状态渲染分发器 |
|
|||
|
|
| renderCallStatus(status) | 渲染通话状态（连接中覆盖层） |
|
|||
|
|
| renderHeader(session) | 渲染头部信息 |
|
|||
|
|
| renderHeaderTitle() | 渲染标题（含 connectionId） |
|
|||
|
|
| renderCallDuration(duration) | 渲染通话时长 |
|
|||
|
|
| renderRemoteVideo(remoteUser) | 渲染远端视频和占位符 |
|
|||
|
|
| renderHeaderNetworkStatus(q) | 渲染头部网络质量文本 |
|
|||
|
|
| renderLocalVideo(localUser, stream) | 渲染本地视频和占位符 |
|
|||
|
|
| renderLocalStream(stream) | 将本地流绑定到 video 元素 |
|
|||
|
|
| renderRemoteStream(stream, id, isHost) | 远端流渲染分发 |
|
|||
|
|
| renderParticipantStream(stream, id) | Host 端多 participant 视频网格渲染 |
|
|||
|
|
| renderParticipantVideoPlaceholder(id, show) | 精准更新 participant tile 占位背景 |
|
|||
|
|
| syncParticipantTileNames(participants) | 同步所有 tile 名称标签 |
|
|||
|
|
| updateParticipantTileName(id, name) | 更新指定 tile 名称 |
|
|||
|
|
| renderSingleRemoteStream(stream) | Participant 端单路远端视频渲染 |
|
|||
|
|
| renderLocalUserStatus(localUser) | 渲染本地用户媒体状态文本 |
|
|||
|
|
| renderUserList(local, remote, participants) | 渲染侧边栏用户列表（支持多 participant） |
|
|||
|
|
| createUserEntry(options) | 创建通用用户条目 DOM |
|
|||
|
|
| getVideoResolution(track) | 获取视频轨道分辨率 |
|
|||
|
|
| adjustVideoSize(video, resolution) | 调整视频元素尺寸 |
|
|||
|
|
| renderControlButtons(mediaState) | 渲染底部控制按钮状态 |
|
|||
|
|
| renderChatMessages(messages) | 渲染聊天消息列表 |
|
|||
|
|
| createMessageElement(message) | 创建单条消息 DOM |
|
|||
|
|
| renderUnreadCount(count) | 渲染未读消息角标 |
|
|||
|
|
| renderSidebar(isOpen) | 渲染侧边栏显隐 |
|
|||
|
|
| renderNetworkStatus(quality) | 渲染网络状态提示 |
|
|||
|
|
| updateHeaderNetworkIndicator(q) | 更新头部网络指示器颜色 |
|
|||
|
|
| renderCallEnded() | 渲染通话结束，跳转 endcall 页面 |
|
|||
|
|
| renderParticipantLeft(id) | 清理 participant tile |
|
|||
|
|
| getStatusText / getNetworkQualityText | 状态/质量文本映射 |
|
|||
|
|
| destroy() | 销毁，取消订阅 |
|
|||
|
|
|
|||
|
|
### chatmessage.js
|
|||
|
|
|
|||
|
|
| 导出函数 | 说明 |
|
|||
|
|
|----------|------|
|
|||
|
|
| subscribe(callback) | 订阅消息状态变化 |
|
|||
|
|
| addMessage(message) | 添加消息到列表 |
|
|||
|
|
| sendChatMessage(message) | 通过 RenderStreaming 发送聊天消息 |
|
|||
|
|
| handleChatMessage(data) | 处理接收到的聊天消息 |
|
|||
|
|
| toggleSidebar() | 切换侧边栏，重置未读数 |
|
|||
|
|
| getMessageState() | 获取当前消息状态 |
|
|||
|
|
| sendMessage() | 用户发送消息入口（文本） |
|
|||
|
|
| handleChatSubmit(event) | 回车发送处理 |
|
|||
|
|
| openImagePicker() | 打开图片选择器 |
|
|||
|
|
| handleImageUpload(event) | 处理图片上传（限制 5MB） |
|
|||
|
|
| sendImageMessage(url, fileName) | 发送图片消息 |
|
|||
|
|
| bindMessageEvents() | 绑定消息相关 DOM 事件到 window |
|
|||
|
|
|
|||
|
|
### utils.js
|
|||
|
|
|
|||
|
|
| 导出函数 | 说明 |
|
|||
|
|
|----------|------|
|
|||
|
|
| formatTime(seconds) | 格式化为 MM:SS |
|
|||
|
|
| formatTimestamp(timestamp) | 格式化为 HH:MM |
|
|||
|
|
| generateId() | 生成随机唯一 ID |
|
|||
|
|
| showNotification(message, duration) | 显示顶部通知 |
|
|||
|
|
| toggleElement(element, show) | 切换元素显隐（hidden 类） |
|
|||
|
|
| toggleButtonState(button, active) | 切换按钮图标状态 |
|
|||
|
|
|
|||
|
|
### models.js
|
|||
|
|
|
|||
|
|
| 导出 | 类型 | 说明 |
|
|||
|
|
|------|------|------|
|
|||
|
|
| mockCallSession | 常量对象 | 默认通话会话数据结构（含 localUser / remoteUser） |
|
|||
|
|
| mockMessages | 常量数组 | 默认聊天消息数组（含系统消息） |
|
|||
|
|
|
|||
|
|
### connect/connect.js
|
|||
|
|
|
|||
|
|
| 全局函数 | 说明 |
|
|||
|
|
|----------|------|
|
|||
|
|
| joinCall() | 读取输入框 connectionId，保存并跳转 |
|
|||
|
|
| createCall() | 生成随机 connectionId，保存并跳转 |
|
|||
|
|
| getAllConnectionIds() | 从服务器获取所有连接 ID 列表 |
|
|||
|
|
| displayConnectionIds(ids) | 渲染连接 ID 列表到 DOM |
|
|||
|
|
| selectConnectionId(id) | 选择指定 ID 填充输入框 |
|
|||
|
|
| saveSettings() | 保存用户设置到 localStorage |
|
|||
|
|
| handleAvatarUpload(event) | 上传头像（限制 2MB） |
|
|||
|
|
| copyUserId() | 复制用户 ID 到剪贴板 |
|
|||
|
|
| toggleSettingsMenu() | 切换设置菜单显隐 |
|
|||
|
|
|
|||
|
|
### endcall/endcall.js
|
|||
|
|
|
|||
|
|
| 全局函数 | 说明 |
|
|||
|
|
|----------|------|
|
|||
|
|
| reconnectCall() | 重新连接，跳转 index.html |
|
|||
|
|
| leaveCall() | 清除 connectionId，跳转 connect.html |
|
|||
|
|
|
|||
|
|
---
|
|||
|
|
|
|||
|
|
## 附录：页面跳转关系
|
|||
|
|
|
|||
|
|
```mermaid
|
|||
|
|
graph LR
|
|||
|
|
connect[connect/connect.html] -->|joinCall / createCall| index[index.html]
|
|||
|
|
index -->|endCall| endcall[endcall/endcall.html]
|
|||
|
|
endcall -->|reconnectCall| index
|
|||
|
|
endcall -->|leaveCall| connect
|
|||
|
|
index -->|无 connectionId| connect
|
|||
|
|
```
|