75 lines
2.7 KiB
Dart
75 lines
2.7 KiB
Dart
import 'package:flutter/cupertino.dart';
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import 'package:flutter/foundation.dart';
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import 'package:flutter_cache_manager/flutter_cache_manager.dart';
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import 'package:mc_gallery/features/core/services/app_lifecycle_service.dart';
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import '/features/core/abstracts/base_view_model.dart';
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import '/features/core/services/logging_service.dart';
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import '/features/core/services/navigation_service.dart';
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import '/features/home/data/models/image_model.dart';
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import '/features/home/services/images_service.dart';
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import '/features/home/views/image_carousel/image_carousel_view.dart';
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import '/locator.dart';
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class GalleryViewModel extends BaseViewModel {
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GalleryViewModel({
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required ImagesService imagesService,
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required NavigationService navigationService,
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required AppLifecycleService appLifecycleService,
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required LoggingService loggingService,
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}) : _imagesService = imagesService,
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_navigationService = navigationService,
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_appLifecycleService = appLifecycleService,
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_loggingService = loggingService;
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final ImagesService _imagesService;
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final NavigationService _navigationService;
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final AppLifecycleService _appLifecycleService;
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final LoggingService _loggingService;
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final ValueNotifier<bool> _isDisplayingPressingPrompt = ValueNotifier(true);
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ValueListenable<bool> get isDisplayingPressingPrompt => _isDisplayingPressingPrompt;
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@override
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Future<void> initialise(bool Function() mounted, [arguments]) async {
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_appLifecycleService.addListener(
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tag: runtimeType.toString(),
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listener: (final appLifecycleState) async {
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switch (appLifecycleState) {
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case AppLifecycleState.resumed:
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break;
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case AppLifecycleState.inactive:
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case AppLifecycleState.paused:
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case AppLifecycleState.detached:
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await DefaultCacheManager().emptyCache();
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}
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},
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);
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super.initialise(mounted, arguments);
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}
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@override
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Future<void> dispose() async {
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await _appLifecycleService.removeListener(tag: runtimeType.toString());
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super.dispose();
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}
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void onPromptPressed() => _isDisplayingPressingPrompt.value = false;
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Iterable<ImageModel> get imageModels => _imagesService.imageModels;
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void pushImageCarouselView(BuildContext context, {required ImageModel imageModel}) =>
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_navigationService.pushImageCarouselView(
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context,
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imageCarouselViewArguments: ImageCarouselViewArguments(
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imageIndexKey: imageModel.imageIndex,
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),
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);
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static GalleryViewModel get locate => Locator.locate();
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double? downloadProgressValue({required DownloadProgress progress}) =>
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progress.totalSize != null ? progress.downloaded / progress.totalSize! : null;
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}
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