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Merge pull request #1 from 4training/share
Add sharing functionality
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,148 @@ | ||
| import 'dart:async'; | ||
|
|
||
| import 'package:app4training/data/languages.dart'; | ||
| import 'package:app4training/design/theme.dart'; | ||
| import 'package:app4training/features/share/share_service.dart'; | ||
| import 'package:app4training/l10n/l10n.dart'; | ||
| import 'package:app4training/routes/view_page.dart'; | ||
| import 'package:flutter/material.dart'; | ||
| import 'package:flutter_riverpod/flutter_riverpod.dart'; | ||
|
|
||
| // TODO: Use build_runner with flutter_gen instead | ||
| const String openPdfImage = 'assets/file-document-outline.png'; | ||
| const String sharePdfImage = 'assets/file-document-arrow-right-outline.png'; | ||
| const String shareLinkImage = 'assets/link.png'; | ||
|
|
||
| /// Share button in the top right corner of the main view. | ||
| /// Opens a dropdown with several sharing options. | ||
| /// Implemented with MenuAnchor+MenuItemButton | ||
| /// (seems to be preferred over PopupMenuButton since Material 3) | ||
| class ShareButton extends ConsumerWidget { | ||
| const ShareButton({super.key}); | ||
|
|
||
| @override | ||
| Widget build(BuildContext context, WidgetRef ref) { | ||
| final menuController = MenuController(); | ||
| final viewPage = context.findAncestorWidgetOfExactType<ViewPage>()!; | ||
| String currentPage = viewPage.page; | ||
| String currentLang = viewPage.langCode; | ||
| String url = 'https://www.4training.net/$currentPage/$currentLang'; | ||
| String? pdfFile = | ||
| ref.watch(languageProvider(currentLang)).pages[currentPage]?.pdfPath; | ||
| final shareService = ref.watch(shareProvider); | ||
| // Color for the PDF-related entries (greyed out if PDF is not available) | ||
| Color pdfColor = (pdfFile != null) | ||
| ? Theme.of(context).colorScheme.onSurface | ||
| : Theme.of(context).disabledColor; | ||
|
|
||
| return MenuAnchor( | ||
| controller: menuController, | ||
| builder: | ||
| (BuildContext context, MenuController controller, Widget? child) { | ||
| return IconButton( | ||
| onPressed: () { | ||
| if (controller.isOpen) { | ||
| controller.close(); | ||
| } else { | ||
| controller.open(); | ||
| } | ||
| }, | ||
| icon: const Icon(Icons.share), | ||
| tooltip: 'Share', | ||
| ); | ||
| }, | ||
| menuChildren: [ | ||
| Padding( | ||
| padding: const EdgeInsets.fromLTRB(10, 0, 10, 0), | ||
| child: Column( | ||
| children: [ | ||
| Column(children: [ | ||
| ListTile( | ||
| dense: true, | ||
| title: Text(context.l10n.openPdf, | ||
| style: TextStyle(color: pdfColor)), | ||
| leading: ImageIcon(const AssetImage(openPdfImage), | ||
| color: pdfColor), | ||
| onTap: () async { | ||
| if (pdfFile != null) { | ||
| menuController.close(); | ||
| var result = await shareService.open(pdfFile); | ||
| debugPrint( | ||
| 'OpenResult: ${result.message}; ${result.type}'); | ||
| } else { | ||
| await showDialog( | ||
| context: context, | ||
| builder: (context) { | ||
| return const PdfNotAvailableDialog(); | ||
| }); | ||
| menuController.close(); | ||
| } | ||
| }), | ||
| ListTile( | ||
| dense: true, | ||
| title: Text(context.l10n.sharePdf, | ||
| style: TextStyle(color: pdfColor)), | ||
| leading: ImageIcon(const AssetImage(sharePdfImage), | ||
| color: pdfColor), | ||
| onTap: () async { | ||
| if (pdfFile != null) { | ||
| menuController.close(); | ||
| unawaited(shareService.shareFile(pdfFile)); | ||
| } else { | ||
| await showDialog( | ||
| context: context, | ||
| builder: (context) { | ||
| return const PdfNotAvailableDialog(); | ||
| }); | ||
| menuController.close(); | ||
| } | ||
| }, | ||
| ), | ||
| ListTile( | ||
| dense: true, | ||
| title: Text(context.l10n.openInBrowser), | ||
| leading: const Icon(Icons.open_in_browser), | ||
| onTap: () async { | ||
| menuController.close(); | ||
| unawaited(shareService.launchUrl(Uri.parse(url))); | ||
| }), | ||
| ListTile( | ||
| dense: true, | ||
| title: Text(context.l10n.shareLink), | ||
| leading: const ImageIcon(AssetImage(shareLinkImage)), | ||
| onTap: () { | ||
| menuController.close(); | ||
| shareService.share(url); | ||
| }, | ||
| ), | ||
| ]) | ||
| ], | ||
| )) | ||
| ]); | ||
| } | ||
| } | ||
|
|
||
| class PdfNotAvailableDialog extends StatelessWidget { | ||
| const PdfNotAvailableDialog({super.key}); | ||
|
|
||
| @override | ||
| Widget build(BuildContext context) { | ||
| return AlertDialog( | ||
| title: Text(context.l10n.sorry), | ||
| content: Column(mainAxisSize: MainAxisSize.min, children: [ | ||
| Icon(Icons.sentiment_dissatisfied, | ||
| size: smileySize, | ||
| // For unknown reasons smiley is invisible otherwise | ||
| color: Theme.of(context).colorScheme.onSurface), | ||
| const SizedBox(height: 10), | ||
| Text(context.l10n.pdfNotAvailable), | ||
| ]), | ||
| actions: <Widget>[ | ||
| TextButton( | ||
| onPressed: () { | ||
| Navigator.of(context).pop(); | ||
| }, | ||
| child: Text(context.l10n.okay)) | ||
| ]); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| import 'package:flutter_riverpod/flutter_riverpod.dart'; | ||
| import 'package:open_filex/open_filex.dart'; | ||
| import 'package:share_plus/share_plus.dart'; | ||
| import 'package:url_launcher/url_launcher.dart' as url_launcher; | ||
|
|
||
| /// A class around all sharing functionality to enable testing | ||
| /// (Packages: share_plus, url_launcher, open_filex) | ||
| /// | ||
| /// Other options for testing (dependency injection etc.) are hard to use here | ||
| /// because of the usage of context.findAncestorWidgetOfExactType | ||
| /// so this is probably the best way to do it | ||
| class ShareService { | ||
| /// Wraps Share.share() (package share_plus) | ||
| Future<void> share(String text) { | ||
| return Share.share(text); | ||
| } | ||
|
|
||
| /// Wraps Share.shareXFiles() (package share_plus) | ||
| /// | ||
| /// Not using the same argument List<XFile> because that would make it | ||
| /// harder to verify that the function gets called with correct arguments | ||
| /// with mocktail | ||
| Future<ShareResult> shareFile(String path) { | ||
| return Share.shareXFiles([XFile(path)]); | ||
| } | ||
|
|
||
| /// Wraps launchUrl (package url_launcher) | ||
| Future<bool> launchUrl(Uri url) { | ||
| return url_launcher.launchUrl(url); | ||
| } | ||
|
|
||
| /// Wraps OpenFilex.open (package open_filex) | ||
| Future<OpenResult> open(String? filePath) { | ||
| return OpenFilex.open(filePath); | ||
| } | ||
| } | ||
|
|
||
| /// A provider for all sharing functionality to enable testing | ||
| final shareProvider = Provider<ShareService>((ref) { | ||
| return ShareService(); | ||
| }); |
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