feat(mobile-next): 导入官方 openim-flutter-demo 固定基线 3.8.3-patch.3 并完成双构建

- 上游: github.com/OpenIMSDK/openim-flutter-demo tag 3.8.3-patch.3 commit b3dfdb1e8aaeaaf6f0793e10cadd20d5c184a31f - 并行目录 mobile-next/ 原样导入（含 LICENSE），不覆盖现网 mobile/ - 锁定 Flutter 3.24.5 / Dart 3.5.4 / JDK 17 / Gradle 7.6.3 / AGP 7.3.1 - 实测 Android debug 与 release 构建均成功（见 docs/mobile-next-baseline-import.md） - 本提交可单独回退：git revert 1db1229（重写前） Co-authored-by: multica-agent <github@multica.ai>
2026-08-19 10:45:55 +08:00
parent fa8584a73f
commit 754f161a3f
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+import 'package:collection/collection.dart';
+import 'package:livekit_client/livekit_client.dart';
+import 'package:openim_common/openim_common.dart';
+
+import '../../openim_live.dart';
+
+class LiveUtils {
+  /// Regex of url.
+  static const String regexUrl = '[a-zA-Z]+://[^\\s]*';
+
+  /// Return whether input matches regex of url.
+  static bool isURL(String input) {
+    return matches(regexUrl, input);
+  }
+
+  static bool matches(String regex, String input) {
+    if (input.isEmpty) return false;
+    return RegExp(regex).hasMatch(input);
+  }
+
+  static String seconds2HMS(int seconds) {
+    int h = 0;
+    int m = 0;
+    int s = 0;
+    int temp = seconds % 3600;
+    if (seconds > 3600) {
+      h = seconds ~/ 3600;
+      if (temp != 0) {
+        if (temp > 60) {
+          m = temp ~/ 60;
+          if (temp % 60 != 0) {
+            s = temp % 60;
+          }
+        } else {
+          s = temp;
+        }
+      }
+    } else {
+      m = seconds ~/ 60;
+      if (seconds % 60 != 0) {
+        s = seconds % 60;
+      }
+    }
+    if (h == 0) {
+      return '${m < 10 ? '0$m' : m}:${s < 10 ? '0$s' : s}';
+    }
+    return "${h < 10 ? '0$h' : h}:${m < 10 ? '0$m' : m}:${s < 10 ? '0$s' : s}";
+  }
+
+  static VideoTrack? activeVideoTrack(RemoteParticipant participant) {
+    for (final trackPublication in participant.videoTrackPublications) {
+      Logger.print(
+          'video track ${trackPublication.sid} subscribed ${trackPublication.subscribed} muted ${trackPublication.muted}');
+      if (trackPublication.subscribed && !trackPublication.muted) {
+        return trackPublication.track;
+      }
+    }
+    return null;
+  }
+
+  /// 剔除房间观察者
+  static List<RemoteParticipant> removeObserver(String roomID, Room room) {
+    return room.remoteParticipants.values.where((element) {
+      Logger.print(
+          'removeObserver roomID:$roomID  userID:${element.identity}   ${roomID == element.identity}');
+      return roomID != element.identity;
+    }).toList();
+  }
+
+  /// 单聊获取真正通话的对象
+  static RemoteParticipant? getRemoteParticipant(String? roomID, Room? room) {
+    return room?.remoteParticipants.values
+        .where((element) => roomID != element.identity)
+        .firstOrNull;
+  }
+
+  /// 我主动发起通话，一开始roomID为null，拨号成功返回roomID
+  /// 我被邀请通话，一开始就存在roomID
+  static bool isSameRoom(CallEvent event, String? roomID) {
+    var signalingInfo = event.data;
+    var opUserID = signalingInfo.userID;
+    var invitation = signalingInfo.invitation!;
+    // var inviterUserID = invitation.inviterUserID;
+    // var inviteeUserIDList = invitation.inviteeUserIDList;
+    // var groupID = invitation.groupID;
+    // var roomID = invitation.roomID;
+    // var timeout = invitation.timeout;
+    // var mediaType = invitation.mediaType;
+    // var sessionType = invitation.sessionType;
+    // var platformID = invitation.platformID;
+    Logger.print('${event.state}--当前房间：$roomID--信令来自：${invitation.roomID}');
+    return roomID == invitation.roomID;
+  }
+}