390 lines
11 KiB
Dart
390 lines
11 KiB
Dart
import 'package:flutter/cupertino.dart';
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import 'package:flutter/material.dart';
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import 'package:like_button/like_button.dart';
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import 'package:photos/services/favorites_service.dart';
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import 'package:photos/models/file_type.dart';
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import 'package:photos/models/file.dart';
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import 'package:photos/ui/video_widget.dart';
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import 'package:photos/ui/zoomable_image.dart';
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import 'package:photos/utils/date_time_util.dart';
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import 'package:photos/utils/dialog_util.dart';
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import 'package:photos/utils/file_util.dart';
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import 'package:photos/utils/share_util.dart';
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import 'package:logging/logging.dart';
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import 'package:photos/utils/toast_util.dart';
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class DetailPage extends StatefulWidget {
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final List<File> files;
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final int selectedIndex;
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final String tagPrefix;
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DetailPage(this.files, this.selectedIndex, this.tagPrefix, {key})
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: super(key: key);
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@override
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_DetailPageState createState() => _DetailPageState();
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}
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class _DetailPageState extends State<DetailPage> {
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final _logger = Logger("DetailPageState");
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bool _shouldDisableScroll = false;
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List<File> _files;
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PageController _pageController;
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int _selectedIndex = 0;
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bool _hasPageChanged = false;
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@override
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void initState() {
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_files = widget.files;
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_selectedIndex = widget.selectedIndex;
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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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_logger.info("Opening " +
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_files[_selectedIndex].toString() +
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". " +
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_selectedIndex.toString() +
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" / " +
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_files.length.toString() +
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" files .");
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return Scaffold(
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appBar: _buildAppBar(),
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extendBodyBehindAppBar: true,
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body: Center(
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child: Container(
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child: _buildPageView(),
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),
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),
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backgroundColor: Colors.black,
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);
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}
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Widget _buildPageView() {
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_pageController = PageController(initialPage: _selectedIndex);
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return PageView.builder(
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itemBuilder: (context, index) {
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final file = _files[index];
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Widget content;
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if (file.fileType == FileType.image) {
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content = ZoomableImage(
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file,
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shouldDisableScroll: (value) {
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setState(() {
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_shouldDisableScroll = value;
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});
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},
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tagPrefix: widget.tagPrefix,
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);
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} else if (file.fileType == FileType.video) {
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content = VideoWidget(
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file,
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autoPlay: !_hasPageChanged, // Autoplay if it was opened directly
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tagPrefix: widget.tagPrefix,
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);
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} else {
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content = Icon(Icons.error);
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}
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_preloadFiles(index);
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return content;
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},
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onPageChanged: (index) {
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setState(() {
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_selectedIndex = index;
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_hasPageChanged = true;
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});
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_preloadFiles(index);
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},
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physics: _shouldDisableScroll
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? NeverScrollableScrollPhysics()
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: PageScrollPhysics(),
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controller: _pageController,
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itemCount: _files.length,
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);
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}
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void _preloadFiles(int index) {
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if (index > 0) {
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preloadFile(_files[index - 1]);
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}
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if (index < _files.length - 1) {
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preloadFile(_files[index + 1]);
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}
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}
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AppBar _buildAppBar() {
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final actions = List<Widget>();
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actions.add(_getFavoriteButton());
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actions.add(PopupMenuButton(
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itemBuilder: (context) {
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return [
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PopupMenuItem(
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value: 1,
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child: Row(
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children: [
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Icon(Icons.share),
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Padding(
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padding: EdgeInsets.all(8),
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),
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Text("Share"),
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],
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),
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),
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PopupMenuItem(
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value: 2,
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child: Row(
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children: [
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Icon(Icons.info),
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Padding(
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padding: EdgeInsets.all(8),
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),
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Text("Info"),
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],
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),
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),
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PopupMenuItem(
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value: 3,
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child: Row(
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children: [
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Icon(Icons.delete),
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Padding(
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padding: EdgeInsets.all(8),
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),
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Text("Delete"),
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],
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),
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)
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];
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},
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onSelected: (value) {
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if (value == 1) {
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share(context, _files[_selectedIndex]);
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} else if (value == 2) {
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_displayInfo(_files[_selectedIndex]);
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} else if (value == 3) {
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_showDeleteSheet();
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}
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},
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));
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return AppBar(
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actions: actions,
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backgroundColor: Color(0x00000000),
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elevation: 0,
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);
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}
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Widget _getFavoriteButton() {
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final file = _files[_selectedIndex];
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return FutureBuilder(
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future: FavoritesService.instance.isFavorite(file),
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builder: (context, snapshot) {
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if (snapshot.hasData) {
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return _getLikeButton(file, snapshot.data);
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} else {
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return _getLikeButton(file, false);
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}
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},
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);
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}
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Widget _getLikeButton(File file, bool isLiked) {
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return LikeButton(
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isLiked: isLiked,
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onTap: (oldValue) async {
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final isLiked = !oldValue;
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bool hasError = false;
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if (isLiked) {
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final shouldBlockUser = file.uploadedFileID == null;
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var dialog;
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if (shouldBlockUser) {
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dialog = createProgressDialog(context, "Adding to favorites...");
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await dialog.show();
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}
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try {
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await FavoritesService.instance.addToFavorites(file);
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} catch (e, s) {
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_logger.severe(e, s);
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hasError = true;
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showToast("Sorry, could not add this to favorites!");
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} finally {
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if (shouldBlockUser) {
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await dialog.hide();
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}
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}
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} else {
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try {
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await FavoritesService.instance.removeFromFavorites(file);
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} catch (e, s) {
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_logger.severe(e, s);
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hasError = true;
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showToast("Sorry, could not remove this from favorites!");
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}
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}
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return hasError ? oldValue : isLiked;
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},
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likeBuilder: (isLiked) {
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return Icon(
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Icons.favorite_border,
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color: isLiked ? Colors.pinkAccent : Colors.white,
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size: 30,
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);
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},
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);
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}
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Future<void> _displayInfo(File file) async {
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var asset;
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final isLocalFile = file.localID != null;
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if (isLocalFile) {
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asset = await file.getAsset();
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}
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return showDialog<void>(
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context: context,
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builder: (BuildContext context) {
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var items = <Widget>[
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Row(
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children: [
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Icon(Icons.timer),
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Padding(padding: EdgeInsets.all(4)),
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Text(getFormattedTime(
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DateTime.fromMicrosecondsSinceEpoch(file.creationTime))),
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],
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),
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Padding(padding: EdgeInsets.all(4)),
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Row(
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children: [
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Icon(Icons.folder),
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Padding(padding: EdgeInsets.all(4)),
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Text(file.deviceFolder),
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],
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),
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Padding(padding: EdgeInsets.all(4)),
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];
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if (isLocalFile) {
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if (file.fileType == FileType.image) {
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items.add(Row(
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children: [
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Icon(Icons.photo_size_select_actual),
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Padding(padding: EdgeInsets.all(4)),
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Text(asset.width.toString() + " x " + asset.height.toString()),
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],
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));
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} else {
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items.add(Row(
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children: [
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Icon(Icons.timer),
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Padding(padding: EdgeInsets.all(4)),
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Text(asset.videoDuration.toString()),
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],
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));
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}
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}
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if (file.uploadedFileID != null) {
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items.add(
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Padding(padding: EdgeInsets.all(4)),
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);
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items.add(Row(
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children: [
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Icon(Icons.cloud_upload),
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Padding(padding: EdgeInsets.all(4)),
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Text(getFormattedTime(
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DateTime.fromMicrosecondsSinceEpoch(file.updationTime))),
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],
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));
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}
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return AlertDialog(
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title: Text(file.title),
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content: SingleChildScrollView(
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child: ListBody(
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children: items,
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),
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),
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actions: <Widget>[
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FlatButton(
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child: Text('Ok'),
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onPressed: () {
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Navigator.of(context).pop();
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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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}
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void _showDeleteSheet() {
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final fileToBeDeleted = _files[_selectedIndex];
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final actions = List<Widget>();
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if (fileToBeDeleted.uploadedFileID == null) {
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actions.add(CupertinoActionSheetAction(
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child: Text("Everywhere"),
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isDestructiveAction: true,
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onPressed: () async {
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await deleteFilesFromEverywhere(context, [fileToBeDeleted]);
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_onFileDeleted();
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},
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));
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} else {
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if (fileToBeDeleted.localID != null) {
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actions.add(CupertinoActionSheetAction(
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child: Text("On this device"),
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isDestructiveAction: true,
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onPressed: () async {
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await deleteFilesOnDeviceOnly(context, [fileToBeDeleted]);
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showToast("File deleted from device");
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Navigator.of(context, rootNavigator: true).pop();
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},
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));
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}
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actions.add(CupertinoActionSheetAction(
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child: Text("Everywhere"),
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isDestructiveAction: true,
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onPressed: () async {
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await deleteFilesFromEverywhere(context, [fileToBeDeleted]);
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_onFileDeleted();
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},
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));
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}
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final action = CupertinoActionSheet(
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title: Text("Delete file?"),
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actions: actions,
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cancelButton: CupertinoActionSheetAction(
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child: Text("Cancel"),
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onPressed: () {
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Navigator.of(context, rootNavigator: true).pop();
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},
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),
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);
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showCupertinoModalPopup(context: context, builder: (_) => action);
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}
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Future _onFileDeleted() async {
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final file = _files[_selectedIndex];
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final totalFiles = _files.length;
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if (totalFiles == 1) {
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// Deleted the only file
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Navigator.of(context, rootNavigator: true).pop(); // Close pageview
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Navigator.of(context, rootNavigator: true).pop(); // Close gallery
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return;
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}
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if (_selectedIndex == totalFiles - 1) {
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// Deleted the last file
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await _pageController.previousPage(
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duration: Duration(milliseconds: 200), curve: Curves.easeInOut);
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setState(() {
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_files.remove(file);
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});
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} else {
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await _pageController.nextPage(
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duration: Duration(milliseconds: 200), curve: Curves.easeInOut);
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setState(() {
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_selectedIndex--;
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_files.remove(file);
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});
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}
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Navigator.of(context, rootNavigator: true).pop(); // Close dialog
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}
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}
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