lemmur-app-android/lib/url_launcher.dart

116 lines
3.2 KiB
Dart

import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import 'package:url_launcher/url_launcher.dart' as ul;
import 'pages/community.dart';
import 'pages/instance.dart';
import 'pages/media_view.dart';
import 'pages/user.dart';
import 'stores/accounts_store.dart';
import 'util/goto.dart';
/// Decides where does a link link to. Either somewhere in-app:
/// opens the correct page, or outside of the app: opens in a browser
Future<void> linkLauncher({
required BuildContext context,
required String url,
required String instanceHost,
}) async {
push(Widget Function() builder) {
goTo(context, (c) => builder());
}
final instances = context.read<AccountsStore>().instances;
final chonks = url.split('/');
if (chonks.length == 1) return openInBrowser(url);
// CHECK IF LINK TO USER
if (url.startsWith('/u/')) {
return push(() =>
UserPage.fromName(instanceHost: instanceHost, username: chonks[2]));
}
// CHECK IF LINK TO COMMUNITY
if (url.startsWith('/c/')) {
return push(() => CommunityPage.fromName(
communityName: chonks[2], instanceHost: instanceHost));
}
// CHECK IF REDIRECTS TO A PAGE ON ONE OF ADDED INSTANCES
final instanceRegex = RegExp(r'^(?:https?:\/\/)?([\w\.-]+)(.*)$');
final match = instanceRegex.firstMatch(url);
final matchedInstance = match?.group(1);
final rest = match?.group(2);
if (matchedInstance != null && instances.any((e) => e == match?.group(1))) {
if (rest == null || rest.isEmpty || rest == '/') {
return push(() => InstancePage(instanceHost: matchedInstance));
}
final split = rest.split('/');
switch (split[1]) {
case 'c':
return goToCommunity.byName(context, matchedInstance, split[2]);
case 'u':
return goToUser.byName(context, matchedInstance, split[2]);
case 'post':
if (split.length == 3) {
return goToPost(context, matchedInstance, int.parse(split[2]));
} else if (split.length == 5) {
// TODO: post with focus on comment thread
print('comment in post');
return goToPost(context, matchedInstance, int.parse(split[2]));
}
break;
case 'pictrs':
return push(() => MediaViewPage(url));
case 'communities':
// TODO: put here push to communities page
print('communities');
return;
case 'modlog':
// TODO: put here push to modlog
print('modlog');
return;
case 'inbox':
// TODO: put here push to inbox
print('inbox');
return;
case 'search':
// TODO: *maybe* put here push to search. we'll see
// how much web version differs form the app
print('search');
return;
case 'create_post':
case 'create_community':
case 'sponsors':
case 'instances':
case 'docs':
break;
default:
break;
}
}
// FALLBACK TO REGULAR LINK STUFF
return openInBrowser(url);
}
Future<void> openInBrowser(String url) async {
if (await ul.canLaunch(url)) {
await ul.launch(url);
} else {
throw Exception();
// TODO: handle opening links to stuff in app
}
}