mirror of
https://github.com/zjs81/meshcore-open.git
synced 2026-08-11 18:26:27 +10:00
Add ability to send images over lora
This commit is contained in:
Zach
@@ -6,8 +6,10 @@ import 'package:provider/provider.dart';
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import '../connector/meshcore_connector.dart';
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import '../l10n/l10n.dart';
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import '../models/app_settings.dart';
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import '../models/image_codec_support.dart';
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import '../models/translation_support.dart';
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import '../services/app_settings_service.dart';
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import '../services/image_codec_service.dart';
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import '../services/map_tile_cache_service.dart';
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import '../services/notification_service.dart';
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import '../services/translation_service.dart';
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@@ -19,7 +21,16 @@ import '../helpers/snack_bar_builder.dart';
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import 'map_cache_screen.dart';
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class AppSettingsScreen extends StatelessWidget {
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const AppSettingsScreen({super.key});
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/// Scrolls the image-message settings into view once, on first build.
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///
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/// This is how the received-image placeholder's "no model installed" tap
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/// lands somewhere useful: the image block sits below appearance,
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/// notifications, messaging, battery, map and translation, so pushing the
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/// plain settings screen would drop the user at the top with no hint that
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/// the thing they tapped for is several screens down.
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final bool focusImageMessages;
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const AppSettingsScreen({super.key, this.focusImageMessages = false});
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@override
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Widget build(BuildContext context) {
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@@ -598,10 +609,206 @@ class AppSettingsScreen extends StatelessWidget {
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settingsService.setEnableMessageTracing(value);
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},
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),
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const Divider(height: 1, indent: 16),
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_ScrollIntoViewOnce(
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enabled: focusImageMessages,
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child: SwitchListTile(
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contentPadding: const EdgeInsets.symmetric(
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horizontal: 16,
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vertical: 4,
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),
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secondary: const Icon(Icons.image_outlined, size: 20),
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title: Text(context.l10n.imageMessages_enableTitle),
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subtitle: Text(context.l10n.imageMessages_enableSubtitle),
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value: settingsService.settings.imageMessagesEnabled,
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onChanged: (value) async {
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// ImageCodecService.availability requires BOTH the app-level
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// toggle and its own `enabled` preference; one switch drives both
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// so the user is never left with a silently half-on feature.
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final codec = _imageCodecService(context);
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await settingsService.setImageMessagesEnabled(value);
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await codec?.setEnabled(value);
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},
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),
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),
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if (settingsService.settings.imageMessagesEnabled) ...[
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const Divider(height: 1, indent: 16),
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SwitchListTile(
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contentPadding: const EdgeInsets.symmetric(
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horizontal: 16,
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vertical: 4,
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),
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secondary: const Icon(Icons.auto_awesome_outlined, size: 20),
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title: Text(context.l10n.imageMessages_autoProcessTitle),
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subtitle: Text(context.l10n.imageMessages_autoProcessSubtitle),
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value: settingsService.settings.imageProcessAutomatically,
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onChanged: (value) =>
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settingsService.setImageProcessAutomatically(value),
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),
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_buildImageCodecModels(context),
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],
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],
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);
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}
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/// The image codec, or null when it is not registered (screen tests).
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ImageCodecService? _imageCodecService(BuildContext context) {
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try {
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return Provider.of<ImageCodecService>(context, listen: false);
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} on ProviderNotFoundException {
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return null;
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}
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}
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/// Model registry for image messages: the download entry point, the
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/// downloaded weights, and — when the build simply cannot run the codec —
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/// [ImageCodecService.unavailableReason] instead of a dead download button.
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Widget _buildImageCodecModels(BuildContext context) {
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final ImageCodecService codec;
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try {
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codec = context.watch<ImageCodecService>();
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} on ProviderNotFoundException {
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return const SizedBox.shrink();
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}
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final scheme = Theme.of(context).colorScheme;
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final textTheme = Theme.of(context).textTheme;
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final reason = codec.unavailableReason;
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return Padding(
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padding: const EdgeInsets.fromLTRB(16, 4, 16, 16),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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context.l10n.imageMessages_modelSectionTitle,
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style: textTheme.titleSmall,
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),
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const SizedBox(height: 6),
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if (reason != null)
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Container(
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padding: const EdgeInsets.all(12),
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decoration: BoxDecoration(
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color: scheme.surfaceContainerHighest,
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borderRadius: BorderRadius.circular(MeshRadii.md),
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),
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child: Text(
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reason,
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style: textTheme.bodySmall?.copyWith(
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color: scheme.onSurfaceVariant,
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),
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),
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),
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for (final spec in imageCodecPresetModels)
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_buildImageCodecPreset(context, codec, spec),
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for (final model in codec.availableModels)
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ListTile(
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contentPadding: EdgeInsets.zero,
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dense: true,
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leading: const Icon(Icons.check_circle_outline, size: 20),
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title: Text(model.name.isEmpty ? model.id : model.name),
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subtitle: Text(_formatModelBytes(model.fileSizeBytes)),
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trailing: IconButton(
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icon: const Icon(Icons.delete_outline, size: 20),
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tooltip: context.l10n.imageMessages_removeModel,
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onPressed: codec.isBusy || codec.isDownloading
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? null
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: () => codec.removeModel(model),
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),
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),
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if (codec.lastError != null) ...[
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const SizedBox(height: 6),
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Text(
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codec.lastError!,
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style: textTheme.bodySmall?.copyWith(color: scheme.error),
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),
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],
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],
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),
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);
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}
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Widget _buildImageCodecPreset(
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BuildContext context,
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ImageCodecService codec,
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ImageCodecModelSpec spec,
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) {
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final textTheme = Theme.of(context).textTheme;
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final scheme = Theme.of(context).colorScheme;
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final alreadyHave = codec.availableModels.any((m) => m.id == spec.id);
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// downloadPresetModel throws StateError on a placeholder URL, deliberately,
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// so the button must not be offerable until the weights are published.
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final blocked = spec.urlsArePlaceholders;
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final busy = codec.isDownloading;
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return Padding(
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padding: const EdgeInsets.only(top: 4),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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ListTile(
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contentPadding: EdgeInsets.zero,
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dense: true,
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leading: const Icon(Icons.download_outlined, size: 20),
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title: Text(spec.label),
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subtitle: Text(
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blocked
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? context.l10n.imageMessages_modelNotPublished
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: _formatModelBytes(spec.totalSizeBytes),
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),
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trailing: alreadyHave
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? Text(
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context.l10n.imageMessages_modelReady,
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style: textTheme.labelMedium?.copyWith(
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color: scheme.onSurfaceVariant,
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),
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)
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: busy
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? TextButton(
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onPressed: codec.cancelDownload,
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child: Text(context.l10n.imageMessages_cancelDownload),
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)
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: TextButton(
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onPressed: blocked
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? null
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: () => _downloadImageCodecModel(context, codec, spec),
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child: Text(context.l10n.imageMessages_downloadModel),
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),
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),
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if (busy)
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Padding(
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padding: const EdgeInsets.only(bottom: 8),
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child: LinearProgressIndicator(value: codec.downloadProgress),
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),
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],
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),
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);
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}
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Future<void> _downloadImageCodecModel(
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BuildContext context,
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ImageCodecService codec,
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ImageCodecModelSpec spec,
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) async {
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final messenger = ScaffoldMessenger.of(context);
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final failed = context.l10n.imageMessages_downloadFailed;
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try {
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await codec.downloadPresetModel(spec);
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} on Exception catch (error) {
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messenger.showSnackBar(SnackBar(content: Text('$failed $error')));
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}
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}
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String _formatModelBytes(int bytes) {
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if (bytes >= 1024 * 1024 * 1024) {
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return '${(bytes / (1024 * 1024 * 1024)).toStringAsFixed(2)} GB';
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}
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if (bytes >= 1024 * 1024) {
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return '${(bytes / (1024 * 1024)).toStringAsFixed(0)} MB';
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}
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if (bytes >= 1024) return '${(bytes / 1024).toStringAsFixed(0)} kB';
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return '$bytes B';
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}
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Widget _buildBatteryContent(
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BuildContext context,
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AppSettingsService settingsService,
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@@ -2509,3 +2716,45 @@ class _TranslationLanguageDialogContentState
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);
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}
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}
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/// Scrolls [child] into view exactly once, after the first frame.
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///
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/// A `StatefulWidget` rather than a post-frame callback in `build` because the
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/// settings screen rebuilds on every `AppSettingsService` notification: a
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/// callback in `build` would yank the list back to the image block every time
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/// the user touched an unrelated switch.
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///
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/// Silently does nothing when there is no enclosing [Scrollable] (screen tests
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/// that render a section in isolation) or when the element is gone by the time
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/// the frame lands.
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class _ScrollIntoViewOnce extends StatefulWidget {
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final bool enabled;
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final Widget child;
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const _ScrollIntoViewOnce({required this.enabled, required this.child});
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@override
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State<_ScrollIntoViewOnce> createState() => _ScrollIntoViewOnceState();
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}
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class _ScrollIntoViewOnceState extends State<_ScrollIntoViewOnce> {
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@override
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void initState() {
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super.initState();
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if (!widget.enabled) return;
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WidgetsBinding.instance.addPostFrameCallback((_) {
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if (!mounted) return;
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final scrollable = Scrollable.maybeOf(context);
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if (scrollable == null) return;
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Scrollable.ensureVisible(
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context,
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duration: const Duration(milliseconds: 300),
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curve: Curves.easeOut,
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alignment: 0.1,
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);
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});
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}
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@override
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Widget build(BuildContext context) => widget.child;
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}
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