Files
Client/lib/push/push_tap_router.dart
T

63 lines
2.2 KiB
Dart

import 'dart:convert';
import 'dart:developer';
import 'package:flutter/foundation.dart';
import 'package:flutter_local_notifications/flutter_local_notifications.dart';
import 'push_actions.dart';
import 'push_target.dart';
/// Routes foreground notification interactions from the single
/// flutter_local_notifications response callback. Action responses (reply /
/// mark-read) are dispatched straight to [PushActions]; a plain tap publishes
/// its target via [pendingTarget] for [App] to navigate to.
class PushTapRouter {
PushTapRouter._();
/// Target of the most recently tapped notification, or null. [App] listens
/// to this and navigates, then resets it to null.
static final ValueNotifier<PushTarget?> pendingTarget = ValueNotifier(null);
static void handleResponse(NotificationResponse response) {
final actionId = response.actionId;
if (actionId == kTalkReplyActionId || actionId == kTalkMarkReadActionId) {
// Reuse the isolate-safe action dispatch for foreground actions too.
PushActions.handleBackgroundResponse(response);
return;
}
final map = _payloadMap(response.payload);
if (map == null) return;
final target = resolvePushTarget(map);
if (target != null) pendingTarget.value = target;
}
static bool _launchHandled = false;
/// Routes the tap that cold-started the app. The plugin reports such a tap
/// only through its launch details, never through the response callback;
/// the details stay set for the whole process, hence the one-shot guard.
static Future<void> handleAppLaunch(
FlutterLocalNotificationsPlugin plugin,
) async {
if (_launchHandled) return;
_launchHandled = true;
try {
final details = await plugin.getNotificationAppLaunchDetails();
final response = details?.notificationResponse;
if (details?.didNotificationLaunchApp != true || response == null) return;
handleResponse(response);
} on Object catch (e) {
log('Reading the notification launch details failed: $e');
}
}
static Map<String, dynamic>? _payloadMap(String? payload) {
if (payload == null || payload.isEmpty) return null;
try {
return jsonDecode(payload) as Map<String, dynamic>;
} on Object {
return null;
}
}
}