Initial clean project import

2026-06-19 18:41:41 +08:00
commit a13b804c7a
1306 changed files with 220568 additions and 0 deletions
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+/**
+ * 任务事件系统
+ * 用于在任务状态改变时通知前端，避免轮询
+ */
+
+import { EventEmitter } from 'events';
+import { Events } from './main';
+
+class TaskEventSystem extends EventEmitter {
+  private static instance: TaskEventSystem;
+
+  private constructor() {
+    super();
+    this.setMaxListeners(100); // 防止内存泄漏警告
+  }
+
+  static getInstance(): TaskEventSystem {
+    if (!TaskEventSystem.instance) {
+      TaskEventSystem.instance = new TaskEventSystem();
+    }
+    return TaskEventSystem.instance;
+  }
+
+  /**
+   * 任务状态改变时触发
+   * @param taskId 任务 ID
+   * @param oldStatus 旧状态
+   * @param newStatus 新状态
+   * @param data 任务完整数据
+   */
+  emitTaskStatusChange(
+    taskId: number | string,
+    oldStatus: string | undefined,
+    newStatus: string,
+    data?: any
+  ) {
+    console.log(`[TaskEventSystem] 任务 ${taskId} 状态变化: ${oldStatus} → ${newStatus}`);
+
+    // 1. 本地事件（供后端使用）
+    this.emit('task:statusChange', {
+      taskId,
+      oldStatus,
+      newStatus,
+      timestamp: Date.now(),
+      data
+    });
+
+    // 2. 广播到前端（供前端 UI 使用）
+    Events.broadcast('TaskStatusChange', {
+      taskId,
+      oldStatus,
+      newStatus,
+      timestamp: Date.now(),
+      ...data
+    });
+
+    console.log(`[TaskEventSystem] 已广播任务状态变化事件`);
+  }
+
+  /**
+   * 任务进度改变时触发
+   */
+  emitTaskProgressChange(
+    taskId: number | string,
+    progress: number,
+    message?: string
+  ) {
+    // 广播到前端
+    Events.broadcast('TaskProgressChange', {
+      taskId,
+      progress,
+      message,
+      timestamp: Date.now()
+    });
+  }
+
+  /**
+   * 任务完成时触发
+   */
+  emitTaskComplete(
+    taskId: number | string,
+    result?: any
+  ) {
+    Events.broadcast('TaskComplete', {
+      taskId,
+      result,
+      timestamp: Date.now()
+    });
+  }
+
+  /**
+   * 任务失败时触发
+   */
+  emitTaskFailed(
+    taskId: number | string,
+    error: string
+  ) {
+    Events.broadcast('TaskFailed', {
+      taskId,
+      error,
+      timestamp: Date.now()
+    });
+  }
+}
+
+export const taskEventSystem = TaskEventSystem.getInstance();
+
+// IPC handlers 供前端调用
+import { ipcMain } from 'electron';
+
+ipcMain.handle('task:emitStatusChange', (event, taskId, oldStatus, newStatus, data) => {
+  taskEventSystem.emitTaskStatusChange(taskId, oldStatus, newStatus, data);
+});
+
+ipcMain.handle('task:emitProgressChange', (event, taskId, progress, message) => {
+  taskEventSystem.emitTaskProgressChange(taskId, progress, message);
+});
+
+ipcMain.handle('task:emitComplete', (event, taskId, result) => {
+  taskEventSystem.emitTaskComplete(taskId, result);
+});
+
+ipcMain.handle('task:emitFailed', (event, taskId, error) => {
+  taskEventSystem.emitTaskFailed(taskId, error);
+});