365 lines
11 KiB
Dart
365 lines
11 KiB
Dart
import "dart:async";
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import "dart:io";
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import "package:flutter/cupertino.dart";
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import "package:flutter/material.dart";
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import "package:intl/intl.dart";
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import "package:photos/core/configuration.dart";
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import 'package:photos/models/file.dart';
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import "package:photos/models/memory.dart";
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import "package:photos/services/memories_service.dart";
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import "package:photos/theme/text_style.dart";
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import "package:photos/ui/actions/file/file_actions.dart";
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import "package:photos/ui/extents_page_view.dart";
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import "package:photos/ui/viewer/file/file_widget.dart";
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import "package:photos/ui/viewer/file_details/favorite_widget.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:step_progress_indicator/step_progress_indicator.dart";
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class FullScreenMemory extends StatefulWidget {
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final String title;
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final List<Memory> memories;
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final int index;
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const FullScreenMemory(this.title, this.memories, this.index, {Key? key})
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: super(key: key);
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@override
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State<FullScreenMemory> createState() => _FullScreenMemoryState();
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}
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class _FullScreenMemoryState extends State<FullScreenMemory> {
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int _index = 0;
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double _opacity = 1;
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// shows memory counter as index+1/totalFiles for large number of memories
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// when the top step indicator isn't visible.
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bool _showCounter = false;
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bool _showStepIndicator = true;
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PageController? _pageController;
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bool _shouldDisableScroll = false;
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late int currentUserID;
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final GlobalKey shareButtonKey = GlobalKey();
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@override
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void initState() {
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super.initState();
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_index = widget.index;
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currentUserID = Configuration.instance.getUserID() ?? 0;
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_showStepIndicator = widget.memories.length <= 60;
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Future.delayed(const Duration(seconds: 3), () {
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if (mounted) {
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setState(() {
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_opacity = 0;
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_showCounter = !_showStepIndicator;
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});
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}
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});
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MemoriesService.instance.markMemoryAsSeen(widget.memories[_index]);
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}
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@override
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Widget build(BuildContext context) {
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_pageController ??= PageController(initialPage: _index);
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final file = widget.memories[_index].file;
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return Scaffold(
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appBar: AppBar(
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toolbarHeight: 84,
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automaticallyImplyLeading: false,
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title: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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_showStepIndicator
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? StepProgressIndicator(
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totalSteps: widget.memories.length,
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currentStep: _index + 1,
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size: 2,
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selectedColor: Colors.white, //same for both themes
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unselectedColor: Colors.white.withOpacity(0.4),
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)
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: const SizedBox.shrink(),
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const SizedBox(
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height: 18,
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),
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Row(
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children: [
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Padding(
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padding: const EdgeInsets.only(right: 16),
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child: InkWell(
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onTap: () {
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Navigator.pop(context);
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},
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child: const Icon(
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Icons.close,
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color: Colors.white, //same for both themes
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),
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),
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),
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Text(
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DateFormat.yMMMd(Localizations.localeOf(context).languageCode)
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.format(
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DateTime.fromMicrosecondsSinceEpoch(
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file.creationTime!,
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),
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),
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style: Theme.of(context).textTheme.subtitle1!.copyWith(
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fontSize: 14,
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color: Colors.white,
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), //same for both themes
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),
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],
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),
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],
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),
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flexibleSpace: Container(
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decoration: BoxDecoration(
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gradient: LinearGradient(
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begin: Alignment.topCenter,
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end: Alignment.bottomCenter,
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colors: [
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Colors.black.withOpacity(0.6),
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Colors.black.withOpacity(0.5),
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Colors.transparent,
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],
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stops: const [0, 0.6, 1],
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),
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),
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),
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backgroundColor: const Color(0x00000000),
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elevation: 0,
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),
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extendBodyBehindAppBar: true,
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body: Container(
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key: ValueKey(widget.memories.length),
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color: Colors.black,
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child: Stack(
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alignment: Alignment.bottomCenter,
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children: [
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_buildSwiper(),
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bottomGradient(),
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_buildInfoText(),
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_buildBottomIcons(),
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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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debugPrint("FullScreenMemoryDisposed");
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// _pageController?.dispose();
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_pageController = null;
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super.dispose();
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}
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Future<void> onFileDeleted(Memory removedMemory) async {
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if (!mounted) {
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return;
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}
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final totalFiles = widget.memories.length;
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if (totalFiles == 1) {
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// Deleted the only file
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Navigator.of(context).pop(); // Close pageview
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return;
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}
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if (_index == totalFiles - 1) {
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// Deleted the last file
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widget.memories.remove(removedMemory);
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await _pageController!.previousPage(
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duration: const Duration(milliseconds: 200),
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curve: Curves.easeInOut,
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);
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setState(() {});
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} else {
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widget.memories.remove(removedMemory);
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await _pageController!.nextPage(
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duration: const Duration(milliseconds: 200),
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curve: Curves.easeInOut,
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);
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setState(() {});
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}
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}
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Hero _buildInfoText() {
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return Hero(
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tag: widget.title,
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child: SafeArea(
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child: Container(
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alignment: Alignment.bottomCenter,
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padding: const EdgeInsets.fromLTRB(0, 0, 0, 72),
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child: _showCounter
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? Text(
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'${_index + 1}/${widget.memories.length}',
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style: darkTextTheme.bodyMuted,
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)
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: AnimatedOpacity(
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opacity: _opacity,
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duration: const Duration(milliseconds: 500),
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child: Text(
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widget.title,
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style: darkTextTheme.h2,
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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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Widget _buildBottomIcons() {
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final File currentFile = widget.memories[_index].file;
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final List<Widget> rowChildren = [
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IconButton(
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icon: Icon(
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Platform.isAndroid ? Icons.info_outline : CupertinoIcons.info,
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color: Colors.white, //same for both themes
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),
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onPressed: () {
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showDetailsSheet(context, currentFile);
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},
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),
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];
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if (currentFile.ownerID == null || currentUserID == currentFile.ownerID) {
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rowChildren.addAll(
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[
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IconButton(
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icon: Icon(
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Platform.isAndroid ? Icons.delete_outline : CupertinoIcons.delete,
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color: Colors.white, //same for both themes
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),
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onPressed: () async {
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await showSingleFileDeleteSheet(
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context,
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currentFile,
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onFileRemoved: (file) =>
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{onFileDeleted(widget.memories[_index])},
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);
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},
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),
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SizedBox(
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height: 32,
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child: FavoriteWidget(currentFile),
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),
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],
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);
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}
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rowChildren.add(
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IconButton(
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icon: Icon(
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Icons.adaptive.share,
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color: Colors.white, //same for both themes
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),
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onPressed: () {
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share(context, [currentFile]);
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},
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),
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);
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return SafeArea(
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child: Container(
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alignment: Alignment.bottomCenter,
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padding: const EdgeInsets.fromLTRB(12, 0, 12, 20),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.spaceAround,
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children: rowChildren,
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),
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),
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);
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}
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Widget bottomGradient() {
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return Container(
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height: 124,
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width: double.infinity,
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decoration: BoxDecoration(
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gradient: LinearGradient(
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begin: Alignment.bottomCenter,
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end: Alignment.topCenter,
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colors: [
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Colors.black.withOpacity(0.5), //same for both themes
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Colors.transparent,
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],
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stops: const [0, 0.8],
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),
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),
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);
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}
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Widget _buildSwiper() {
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debugPrint(
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"FullScreenbuildSwiper: $_index and total ${widget.memories.length}",
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);
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_pageController = PageController(initialPage: _index);
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return GestureDetector(
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behavior: HitTestBehavior.translucent,
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onTapDown: (TapDownDetails details) {
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if (_shouldDisableScroll) {
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return;
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}
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final screenWidth = MediaQuery.of(context).size.width;
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final edgeWidth = screenWidth * 0.20; // 20% of screen width
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if (details.localPosition.dx < edgeWidth) {
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if (_index > 0) {
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_pageController!.previousPage(
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duration: const Duration(milliseconds: 250),
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curve: Curves.ease,
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);
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}
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} else if (details.localPosition.dx > screenWidth - edgeWidth) {
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if (_index < (widget.memories.length - 1)) {
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_pageController!.nextPage(
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duration: const Duration(milliseconds: 250),
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curve: Curves.ease,
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);
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}
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}
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},
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child: ExtentsPageView.extents(
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itemBuilder: (BuildContext context, int index) {
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if (index < widget.memories.length - 1) {
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final nextFile = widget.memories[index + 1].file;
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preloadThumbnail(nextFile);
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preloadFile(nextFile);
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}
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final file = widget.memories[index].file;
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return FileWidget(
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file,
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autoPlay: false,
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tagPrefix: "memories",
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shouldDisableScroll: (value) {
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if (value == _shouldDisableScroll) {
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return;
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}
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setState(() {
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_shouldDisableScroll = value;
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});
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},
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backgroundDecoration: const BoxDecoration(
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color: Colors.transparent,
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),
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);
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},
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itemCount: widget.memories.length,
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controller: _pageController,
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onPageChanged: (index) async {
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unawaited(
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MemoriesService.instance.markMemoryAsSeen(widget.memories[index]),
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);
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if (mounted) {
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debugPrint(
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"FullScreenonPageChanged: $index and total ${widget.memories.length}",
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);
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setState(() {
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_index = index;
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});
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}
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},
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physics: _shouldDisableScroll
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? const NeverScrollableScrollPhysics()
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: const PageScrollPhysics(),
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),
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);
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}
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}
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