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527d602a9f
* refactor: dcm fixes * refactor: ImmichLoadingOverlay to custom hook * chore: dart fixes * pr changes * fix: process overlay add / remove in postframecallback --------- Co-authored-by: shalong-tanwen <139912620+shalong-tanwen@users.noreply.github.com> Co-authored-by: Alex Tran <alex.tran1502@gmail.com>
65 lines
1.6 KiB
Dart
65 lines
1.6 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_hooks/flutter_hooks.dart';
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import 'package:immich_mobile/extensions/build_context_extensions.dart';
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import 'package:immich_mobile/shared/ui/immich_loading_indicator.dart';
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final _loadingEntry = OverlayEntry(
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builder: (context) => SizedBox.square(
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dimension: double.infinity,
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child: DecoratedBox(
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decoration:
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BoxDecoration(color: context.colorScheme.surface.withAlpha(200)),
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child: const Center(child: ImmichLoadingIndicator()),
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),
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),
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);
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ValueNotifier<bool> useProcessingOverlay() {
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return use(const _LoadingOverlay());
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}
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class _LoadingOverlay extends Hook<ValueNotifier<bool>> {
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const _LoadingOverlay();
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@override
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_LoadingOverlayState createState() => _LoadingOverlayState();
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}
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class _LoadingOverlayState
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extends HookState<ValueNotifier<bool>, _LoadingOverlay> {
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late final _isProcessing = ValueNotifier(false)..addListener(_listener);
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OverlayEntry? overlayEntry;
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void _listener() {
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setState(() {
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WidgetsBinding.instance.addPostFrameCallback((_) {
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if (_isProcessing.value) {
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overlayEntry?.remove();
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overlayEntry = _loadingEntry;
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Overlay.of(context).insert(_loadingEntry);
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} else {
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overlayEntry?.remove();
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overlayEntry = null;
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}
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});
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});
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}
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@override
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ValueNotifier<bool> build(BuildContext context) {
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return _isProcessing;
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}
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@override
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void dispose() {
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_isProcessing.dispose();
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super.dispose();
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}
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@override
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Object? get debugValue => _isProcessing.value;
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@override
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String get debugLabel => 'useProcessingOverlay<>';
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}
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