319 lines
10 KiB
Dart
319 lines
10 KiB
Dart
import "package:exif/exif.dart";
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import "package:flutter/cupertino.dart";
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import "package:flutter/material.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/file_type.dart";
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import "package:photos/services/feature_flag_service.dart";
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import 'package:photos/theme/ente_theme.dart';
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import 'package:photos/ui/components/buttons/icon_button_widget.dart';
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import "package:photos/ui/components/divider_widget.dart";
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import 'package:photos/ui/components/title_bar_widget.dart';
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import 'package:photos/ui/viewer/file/file_caption_widget.dart';
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import "package:photos/ui/viewer/file_details/added_by_widget.dart";
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import "package:photos/ui/viewer/file_details/albums_item_widget.dart";
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import 'package:photos/ui/viewer/file_details/backed_up_time_item_widget.dart';
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import "package:photos/ui/viewer/file_details/creation_time_item_widget.dart";
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import 'package:photos/ui/viewer/file_details/exif_item_widgets.dart';
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import "package:photos/ui/viewer/file_details/file_properties_item_widget.dart";
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import "package:photos/ui/viewer/file_details/location_tags_widget.dart";
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import "package:photos/ui/viewer/file_details/objects_item_widget.dart";
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import "package:photos/utils/exif_util.dart";
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class FileDetailsWidget extends StatefulWidget {
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final File file;
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const FileDetailsWidget(
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this.file, {
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Key? key,
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}) : super(key: key);
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@override
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State<FileDetailsWidget> createState() => _FileDetailsWidgetState();
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}
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class _FileDetailsWidgetState extends State<FileDetailsWidget> {
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final ValueNotifier<Map<String, IfdTag>?> _exifNotifier = ValueNotifier(null);
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final Map<String, dynamic> _exifData = {
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"focalLength": null,
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"fNumber": null,
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"resolution": null,
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"takenOnDevice": null,
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"exposureTime": null,
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"ISO": null,
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"megaPixels": null,
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"lat": null,
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"long": null,
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"latRef": null,
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"longRef": null,
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};
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bool _isImage = false;
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late int _currentUserID;
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bool showExifListTile = false;
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bool hasGPSData = false;
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@override
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void initState() {
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debugPrint('file_details_sheet initState');
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_currentUserID = Configuration.instance.getUserID()!;
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_isImage = widget.file.fileType == FileType.image ||
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widget.file.fileType == FileType.livePhoto;
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_exifNotifier.addListener(() {
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if (_exifNotifier.value != null) {
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_generateExifForLocation(_exifNotifier.value!);
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hasGPSData = _haGPSData();
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}
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});
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if (_isImage) {
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_exifNotifier.addListener(() {
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if (_exifNotifier.value != null) {
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_generateExifForDetails(_exifNotifier.value!);
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}
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showExifListTile = _exifData["focalLength"] != null ||
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_exifData["fNumber"] != null ||
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_exifData["takenOnDevice"] != null ||
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_exifData["exposureTime"] != null ||
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_exifData["ISO"] != null;
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});
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}
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getExif(widget.file).then((exif) {
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_exifNotifier.value = exif;
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});
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super.initState();
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}
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@override
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void dispose() {
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_exifNotifier.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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final file = widget.file;
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final bool isFileOwner =
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file.ownerID == null || file.ownerID == _currentUserID;
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//Make sure the bottom most tile is always the same one, that is it should
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//not be rendered only if a condition is met.
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final fileDetailsTiles = <Widget>[];
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fileDetailsTiles.add(
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!widget.file.isUploaded ||
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(!isFileOwner && (widget.file.caption?.isEmpty ?? true))
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? const SizedBox(height: 16)
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: Padding(
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padding: const EdgeInsets.only(top: 8, bottom: 24),
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child: isFileOwner
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? FileCaptionWidget(file: widget.file)
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: FileCaptionReadyOnly(caption: widget.file.caption!),
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),
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);
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fileDetailsTiles.addAll([
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CreationTimeItem(file, _currentUserID),
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const FileDetailsDivider(),
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ValueListenableBuilder(
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valueListenable: _exifNotifier,
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builder: (context, _, __) => FilePropertiesItemWidget(
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file,
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_isImage,
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_exifData,
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_currentUserID,
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),
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),
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const FileDetailsDivider(),
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]);
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fileDetailsTiles.add(
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ValueListenableBuilder(
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valueListenable: _exifNotifier,
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builder: (context, value, _) {
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return showExifListTile
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? Column(
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children: [
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BasicExifItemWidget(_exifData),
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const FileDetailsDivider(),
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],
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)
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: const SizedBox.shrink();
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},
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),
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);
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if (FeatureFlagService.instance.isInternalUserOrDebugBuild()) {
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fileDetailsTiles.addAll([
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ValueListenableBuilder(
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valueListenable: _exifNotifier,
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builder: (context, _, __) {
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return hasGPSData
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? Column(
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children: [
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LocationTagsWidget(
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widget.file.location!,
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),
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const FileDetailsDivider(),
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],
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)
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: const SizedBox.shrink();
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},
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)
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]);
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}
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if (_isImage) {
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fileDetailsTiles.addAll([
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ValueListenableBuilder(
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valueListenable: _exifNotifier,
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builder: (context, value, _) {
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return Column(
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children: [
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AllExifItemWidget(file, _exifNotifier.value),
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const FileDetailsDivider(),
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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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if (FeatureFlagService.instance.isInternalUserOrDebugBuild()) {
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fileDetailsTiles.addAll([
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ObjectsItemWidget(file),
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const FileDetailsDivider(),
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]);
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}
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if (file.uploadedFileID != null && file.updationTime != null) {
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fileDetailsTiles.addAll(
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[
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BackedUpTimeItemWidget(file),
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const FileDetailsDivider(),
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],
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);
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}
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fileDetailsTiles.add(AlbumsItemWidget(file, _currentUserID));
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return SafeArea(
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top: false,
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child: Scrollbar(
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thickness: 4,
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radius: const Radius.circular(2),
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thumbVisibility: true,
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child: Padding(
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padding: const EdgeInsets.all(8.0),
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child: CustomScrollView(
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physics: const ClampingScrollPhysics(),
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shrinkWrap: true,
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slivers: <Widget>[
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TitleBarWidget(
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isFlexibleSpaceDisabled: true,
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title: "Details",
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isOnTopOfScreen: false,
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backgroundColor: getEnteColorScheme(context).backgroundElevated,
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leading: IconButtonWidget(
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icon: Icons.expand_more_outlined,
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iconButtonType: IconButtonType.primary,
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onTap: () => Navigator.pop(context),
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),
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),
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SliverToBoxAdapter(
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child: AddedByWidget(
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widget.file,
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_currentUserID,
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),
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),
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SliverList(
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delegate: SliverChildBuilderDelegate(
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(context, index) {
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return fileDetailsTiles[index];
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},
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childCount: fileDetailsTiles.length,
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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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}
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bool _haGPSData() {
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final fileLocation = widget.file.location;
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final hasLocation = (fileLocation != null &&
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fileLocation.latitude != null &&
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fileLocation.longitude != null) &&
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(fileLocation.latitude != 0 || fileLocation.longitude != 0);
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return hasLocation;
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}
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void _generateExifForLocation(Map<String, IfdTag> exif) {
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if (exif["GPS GPSLatitude"] != null) {
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_exifData["lat"] = exif["GPS GPSLatitude"]!
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.values
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.toList()
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.map((e) => ((e as Ratio).numerator / e.denominator))
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.toList();
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}
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if (exif["GPS GPSLongitude"] != null) {
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_exifData["long"] = exif["GPS GPSLongitude"]!
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.values
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.toList()
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.map((e) => ((e as Ratio).numerator / e.denominator))
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.toList();
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}
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if (exif["GPS GPSLatitudeRef"] != null) {
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_exifData["latRef"] = exif["GPS GPSLatitudeRef"].toString();
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}
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if (exif["GPS GPSLongitudeRef"] != null) {
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_exifData["longRef"] = exif["GPS GPSLongitudeRef"].toString();
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}
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}
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_generateExifForDetails(Map<String, IfdTag> exif) {
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if (exif["EXIF FocalLength"] != null) {
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_exifData["focalLength"] =
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(exif["EXIF FocalLength"]!.values.toList()[0] as Ratio).numerator /
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(exif["EXIF FocalLength"]!.values.toList()[0] as Ratio)
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.denominator;
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}
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if (exif["EXIF FNumber"] != null) {
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_exifData["fNumber"] =
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(exif["EXIF FNumber"]!.values.toList()[0] as Ratio).numerator /
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(exif["EXIF FNumber"]!.values.toList()[0] as Ratio).denominator;
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}
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final imageWidth = exif["EXIF ExifImageWidth"] ?? exif["Image ImageWidth"];
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final imageLength = exif["EXIF ExifImageLength"] ??
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exif["Image "
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"ImageLength"];
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if (imageWidth != null && imageLength != null) {
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_exifData["resolution"] = '$imageWidth x $imageLength';
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_exifData['megaPixels'] =
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((imageWidth.values.firstAsInt() * imageLength.values.firstAsInt()) /
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1000000)
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.toStringAsFixed(1);
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} else {
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debugPrint("No image width/height");
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}
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if (exif["Image Make"] != null && exif["Image Model"] != null) {
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_exifData["takenOnDevice"] =
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exif["Image Make"].toString() + " " + exif["Image Model"].toString();
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}
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if (exif["EXIF ExposureTime"] != null) {
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_exifData["exposureTime"] = exif["EXIF ExposureTime"].toString();
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}
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if (exif["EXIF ISOSpeedRatings"] != null) {
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_exifData['ISO'] = exif["EXIF ISOSpeedRatings"].toString();
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}
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}
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}
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class FileDetailsDivider extends StatelessWidget {
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const FileDetailsDivider({super.key});
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@override
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Widget build(BuildContext context) {
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const dividerPadding = EdgeInsets.symmetric(vertical: 15.5);
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return const DividerWidget(
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dividerType: DividerType.menu,
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divColorHasBlur: false,
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padding: dividerPadding,
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);
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}
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}
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