weblive观影室

src/hooks/useWebLiveSync.ts

@@ -0,0 +1,104 @@
+// React Hook for Web Live Page Synchronization
+'use client';
+
+import { useCallback, useEffect, useRef } from 'react';
+
+import { useWatchRoomContextSafe } from '@/components/WatchRoomProvider';
+
+import type { LiveState } from '@/types/watch-room';
+
+interface UseWebLiveSyncOptions {
+  currentSourceKey: string;
+  currentSourceName: string;
+  currentSourcePlatform: string;
+  currentSourceRoomId: string;
+  onSourceChange?: (sourceKey: string, platform: string, roomId: string) => void;
+}
+
+export function useWebLiveSync({
+  currentSourceKey,
+  currentSourceName,
+  currentSourcePlatform,
+  currentSourceRoomId,
+  onSourceChange,
+}: UseWebLiveSyncOptions) {
+  const watchRoom = useWatchRoomContextSafe();
+  const syncingRef = useRef(false); // 防止循环同步
+
+  // 检查是否在房间内
+  const isInRoom = !!(watchRoom && watchRoom.currentRoom);
+  const isOwner = watchRoom?.isOwner || false;
+  const currentRoom = watchRoom?.currentRoom;
+  const socket = watchRoom?.socket;
+
+  // 房主：广播直播源切换
+  const broadcastSourceChange = useCallback(() => {
+    if (!isOwner || !socket || syncingRef.current || !watchRoom) return;
+
+    if (!currentSourceKey || !currentSourceName || !currentSourcePlatform || !currentSourceRoomId) return;
+
+    // 使用 channelId 存储 sourceKey，channelUrl 存储 platform:roomId
+    const state: LiveState = {
+      type: 'live',
+      channelId: currentSourceKey,
+      channelName: currentSourceName,
+      channelUrl: `${currentSourcePlatform}:${currentSourceRoomId}`,
+    };
+
+    console.log('[WebLiveSync] Broadcasting source change:', state);
+    watchRoom.changeLiveChannel(state);
+  }, [isOwner, socket, currentSourceKey, currentSourceName, currentSourcePlatform, currentSourceRoomId, watchRoom]);
+
+  // 房员：接收并同步房主的直播源切换
+  useEffect(() => {
+    if (!socket || !currentRoom || isOwner || !isInRoom) return;
+
+    const handleLiveChange = (state: LiveState) => {
+      if (syncingRef.current) return;
+
+      console.log('[WebLiveSync] Received source change:', state);
+      syncingRef.current = true;
+
+      try {
+        // 解析 channelUrl 获取 platform 和 roomId
+        const [platform, roomId] = state.channelUrl.split(':');
+
+        // 调用回调函数来切换直播源
+        if (onSourceChange && platform && roomId) {
+          onSourceChange(state.channelId, platform, roomId);
+        }
+      } finally {
+        setTimeout(() => {
+          syncingRef.current = false;
+        }, 1000);
+      }
+    };
+
+    socket.on('live:change', handleLiveChange);
+
+    return () => {
+      socket.off('live:change', handleLiveChange);
+    };
+  }, [socket, currentRoom, isOwner, onSourceChange, isInRoom]);
+
+  // 房主：当直播源改变时自动广播
+  useEffect(() => {
+    if (!isOwner || !currentSourceKey || !isInRoom) return;
+
+    // 防止初始化时广播
+    if (syncingRef.current) return;
+
+    const timer = setTimeout(() => {
+      broadcastSourceChange();
+    }, 500); // 延迟广播，避免频繁触发
+
+    return () => clearTimeout(timer);
+  }, [isOwner, currentSourceKey, currentSourcePlatform, currentSourceRoomId, broadcastSourceChange, isInRoom]);
+
+  return {
+    isInRoom,
+    isOwner,
+    shouldDisableControls: isInRoom && !isOwner, // 房员禁用直播源切换
+    broadcastSourceChange, // 导出供手动调用
+  };
+}