120 lines
3.9 KiB
Dart
120 lines
3.9 KiB
Dart
import 'dart:async';
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import "dart:math";
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import 'package:flutter/material.dart';
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import 'package:logging/logging.dart';
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import 'package:photos/core/event_bus.dart';
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import 'package:photos/db/device_files_db.dart';
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import 'package:photos/db/files_db.dart';
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import 'package:photos/events/backup_folders_updated_event.dart';
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import 'package:photos/events/local_photos_updated_event.dart';
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import "package:photos/generated/l10n.dart";
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import 'package:photos/models/device_collection.dart';
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import "package:photos/ui/collections/device/device_folder_item.dart";
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import 'package:photos/ui/common/loading_widget.dart';
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import 'package:photos/ui/viewer/gallery/empty_state.dart';
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class DeviceFolderVerticalGridView extends StatefulWidget {
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final Widget? appTitle;
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const DeviceFolderVerticalGridView({
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Key? key,
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this.appTitle,
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}) : super(key: key);
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@override
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State<DeviceFolderVerticalGridView> createState() =>
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_DeviceFolderVerticalGridViewState();
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}
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class _DeviceFolderVerticalGridViewState
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extends State<DeviceFolderVerticalGridView> {
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StreamSubscription<BackupFoldersUpdatedEvent>? _backupFoldersUpdatedEvent;
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StreamSubscription<LocalPhotosUpdatedEvent>? _localFilesSubscription;
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String _loadReason = "init";
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static const horizontalPadding = 20.0;
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static const thumbnailSize = 120.0;
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@override
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void initState() {
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_backupFoldersUpdatedEvent =
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Bus.instance.on<BackupFoldersUpdatedEvent>().listen((event) {
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_loadReason = event.reason;
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if (mounted) {
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setState(() {});
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}
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});
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_localFilesSubscription =
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Bus.instance.on<LocalPhotosUpdatedEvent>().listen((event) {
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_loadReason = event.reason;
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setState(() {});
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});
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super.initState();
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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elevation: 0,
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title: widget.appTitle,
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),
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body: SafeArea(
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child: _getBody(context),
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),
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);
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}
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Widget _getBody(BuildContext context) {
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debugPrint("${(DeviceFolderVerticalGridView).toString()} - $_loadReason");
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final logger = Logger((_DeviceFolderVerticalGridViewState).toString());
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return SafeArea(
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child: FutureBuilder<List<DeviceCollection>>(
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future:
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FilesDB.instance.getDeviceCollections(includeCoverThumbnail: true),
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builder: (context, snapshot) {
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if (snapshot.hasData) {
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final double screenWidth = MediaQuery.of(context).size.width;
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final int crossAxisItemCount =
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max(screenWidth ~/ (thumbnailSize + horizontalPadding), 2);
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return snapshot.data!.isEmpty
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? const EmptyState()
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: Padding(
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padding: const EdgeInsets.symmetric(
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horizontal: horizontalPadding,
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),
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child: GridView.builder(
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physics: const ScrollPhysics(),
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itemBuilder: (context, index) {
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final deviceCollection = snapshot.data![index];
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return DeviceFolderItem(deviceCollection);
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},
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itemCount: snapshot.data!.length,
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// To include the + button
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gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
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crossAxisCount: crossAxisItemCount,
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crossAxisSpacing: 16.0,
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childAspectRatio: thumbnailSize / (thumbnailSize + 22),
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),
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),
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);
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} else if (snapshot.hasError) {
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logger.severe("failed to load device gallery", snapshot.error);
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return Text(S.of(context).failedToLoadAlbums);
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} else {
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return const EnteLoadingWidget();
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}
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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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void dispose() {
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_backupFoldersUpdatedEvent?.cancel();
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_localFilesSubscription?.cancel();
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super.dispose();
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}
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}
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