[verified] Publish ReelBox source under GPLv3

lib/ui/home_banners.dart

@@ -0,0 +1,159 @@
+import 'package:flutter/material.dart';
+import 'package:url_launcher/url_launcher.dart';
+
+import '../data/home_banners.dart';
+import '../state/app_state.dart';
+import 'common.dart';
+
+/// Independent of home metadata loading/error UI so the official channel stays
+/// visible and usable even before configuration has arrived.
+class HomeBanners extends StatelessWidget {
+  const HomeBanners({super.key, required this.future});
+  final Future<List<HomeBanner>> future;
+
+  Future<void> _open(BuildContext context, Uri target) async {
+    try {
+      if (await launchUrl(target, mode: LaunchMode.externalApplication)) return;
+    } catch (_) {
+      // Do not expose platform exceptions, configuration values or URLs.
+    }
+    if (context.mounted) {
+      toast(
+        context,
+        tr(context, 'Could not open this link', 'باز کردن پیوند ممکن نشد'),
+        kind: ToastKind.error,
+      );
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) => FutureBuilder<List<HomeBanner>>(
+    future: future,
+    builder: (context, snapshot) {
+      final banners = [
+        HomeBanner.telegram,
+        if (!snapshot.hasError)
+          ...?snapshot.data?.where((item) => item.isAdvertisement).take(5),
+      ];
+      return Padding(
+        padding: const EdgeInsets.fromLTRB(20, 12, 20, 0),
+        child: Column(
+          children: [
+            for (var i = 0; i < banners.length; i++)
+              Padding(
+                padding: EdgeInsets.only(
+                  bottom: i == banners.length - 1 ? 0 : 12,
+                ),
+                child: _BannerCard(
+                  banner: banners[i],
+                  tapKey: Key(
+                    banners[i].isAdvertisement
+                        ? 'home-banner-ad-$i'
+                        : 'home-banner-telegram',
+                  ),
+                  onTap: () => _open(context, banners[i].target),
+                ),
+              ),
+          ],
+        ),
+      );
+    },
+  );
+}
+
+class _BannerCard extends StatelessWidget {
+  const _BannerCard({
+    required this.banner,
+    required this.tapKey,
+    required this.onTap,
+  });
+  final HomeBanner banner;
+  final Key tapKey;
+  final VoidCallback onTap;
+
+  @override
+  Widget build(BuildContext context) {
+    final state = AppScope.of(context);
+    final persian = state.locale == 'fa';
+    final colors = Theme.of(context).colorScheme;
+    final subtitle = banner.subtitle(persian);
+    return Material(
+      color: colors.primary.withValues(alpha: .08),
+      shape: RoundedRectangleBorder(
+        borderRadius: BorderRadius.circular(16),
+        side: BorderSide(color: colors.primary.withValues(alpha: .22)),
+      ),
+      clipBehavior: Clip.antiAlias,
+      child: InkWell(
+        key: tapKey,
+        onTap: onTap,
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.stretch,
+          children: [
+            if (banner.image != null && !state.prefs.dataSaver)
+              Image.network(
+                banner.image.toString(),
+                height: 112,
+                fit: BoxFit.cover,
+                cacheWidth: 700,
+                excludeFromSemantics: true,
+                errorBuilder: (_, _, _) => const SizedBox.shrink(),
+              ),
+            Padding(
+              padding: const EdgeInsets.all(16),
+              child: Row(
+                children: [
+                  Icon(
+                    banner.isAdvertisement
+                        ? Icons.ad_units_outlined
+                        : Icons.campaign_outlined,
+                    color: colors.primary,
+                    size: 18,
+                  ),
+                  const SizedBox(width: 12),
+                  Expanded(
+                    child: Column(
+                      crossAxisAlignment: CrossAxisAlignment.start,
+                      children: [
+                        if (banner.isAdvertisement) ...[
+                          Text(
+                            tr(context, 'Advertisement', 'تبلیغات'),
+                            style: Theme.of(context).textTheme.labelSmall
+                                ?.copyWith(
+                                  color: colors.primary,
+                                  fontWeight: FontWeight.w500,
+                                ),
+                          ),
+                          const SizedBox(height: 4),
+                        ],
+                        Text(
+                          banner.title(persian),
+                          style: Theme.of(context).textTheme.titleSmall
+                              ?.copyWith(fontWeight: FontWeight.w600),
+                        ),
+                        if (subtitle.isNotEmpty) ...[
+                          const SizedBox(height: 4),
+                          Text(
+                            subtitle,
+                            style: Theme.of(context).textTheme.bodySmall
+                                ?.copyWith(color: colors.onSurfaceVariant),
+                          ),
+                        ],
+                      ],
+                    ),
+                  ),
+                  const SizedBox(width: 8),
+                  Icon(
+                    Icons.open_in_new_rounded,
+                    color: colors.primary,
+                    size: 18,
+                  ),
+                ],
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}