todo-app/lib/ui/capture_screen_images.dart
Krzysztof kuhy Rudnicki 9f2ffdb8a9
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Attach any file to a note, of any size, not only images
📎 now picks any file (Android: Camera / Gallery / File; desktop: an
unfiltered dialog) and the desktop page accepts any dropped file. Photo and
screenshot formats up to 64 MB are still re-encoded and shown inline;
everything else is stored byte for byte on dufs beside the images and linked
as [name](url), shown as a row with its size that opens in the platform's
app (Android) or a new browser tab (desktop). BACKLOG.md rewrites file links
to ~/data/cloud/todo-images/ like image links.

There is no size cap, so no layer holds a file in memory: uploads and
downloads stream through DufsImageClient, writes land in a .tmp renamed when
whole (an interrupted download no longer leaves a truncated file that looks
done), the desktop page POSTs the browser's own Blob with fetch, and Android's
"File" uses file_picker, because file_selector's Android side reads the whole
file into memory on the UI thread. Verified with a 1 GB file end to end on
desktop (peak RSS +36 MB) and on an API 36 emulator.

The wrapper serves attachments from the origin that holds the GitHub token
and the notes, so only script-free types open inline (nosniff), the rest
download; writes carrying another site's Origin are refused (this also
closes cross-site overwrites of the backup files); and attachment routes run
concurrently so a long upload or a playing video cannot stall the page.

Also: cupertino_icons 2.0.0 (unused, but the freshness gate blocks the
pubspec otherwise), open_file 4.0.0 and file_picker 13.1.0 pinned.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-01 12:17:06 +02:00

39 lines
1.4 KiB
Dart

/// The capture screen's image behaviour: attaching to the draft, and
/// reconciling the device's image store with every note.
///
/// A `part` of `capture_screen.dart` because it reads the private draft and
/// attach controller.
part of 'capture_screen.dart';
extension _CaptureImages on _CaptureScreenState {
/// Stores [images] under the draft's note (reserving its id) and inserts
/// their links at the cursor. [rejected] counts dropped non-images.
Future<void> _attachImages(List<Uint8List> images, {int rejected = 0}) =>
attachImages(
context,
noteId: _draft.reserveId,
target: _attach,
images: images,
rejected: rejected,
);
/// Stores picked or dropped [files] under the draft's note (reserving its
/// id) and inserts their links at the cursor.
Future<void> _attachFiles(List<XFile> files) => attachFiles(
context,
noteId: _draft.reserveId,
target: _attach,
files: files,
);
/// Uploads queued images, prefetches every image any note links to, and
/// evicts what no note links to. Runs after every sync attempt, on resume
/// and at launch (via the launch sync).
Future<void> _reconcileImages() async {
if (!mounted) return;
final store = ImageStoreScope.read(context);
final notes = await widget.repository.listNotes();
await store.reconcile([for (final note in notes) note.text]);
}
}