fix text scaling and url parsing. (#237)

lib/blocs/stories/stories_bloc.dart

@@ -133,6 +133,8 @@ class StoriesBloc extends Bloc<StoriesEvent, StoriesState> {
     StoriesRefresh event,
     Emitter<StoriesState> emit,
   ) async {
+    if (state.statusByType[event.type] == StoriesStatus.loading) return;
+
     emit(
       state.copyWithStatusUpdated(
         type: event.type,

lib/cubits/pin/pin_cubit.dart

@@ -27,7 +27,7 @@ class PinCubit extends Cubit<PinState> {
       emit(state.copyWith(pinnedStoriesIds: ids));
 
       _storiesRepository.fetchStoriesStream(ids: ids).listen(_onStoryFetched);
-    });
+    }).whenComplete(() => emit(state.copyWith(status: Status.loaded)));
   }
 
   void pinStory(Story story) {
@@ -52,7 +52,10 @@ class PinCubit extends Cubit<PinState> {
     _preferenceRepository.updatePinnedStoriesIds(state.pinnedStoriesIds);
   }
 
-  void refresh() => init();
+  void refresh() {
+    if (state.status == Status.loading) return;
+    init();
+  }
 
   void _onStoryFetched(Story story) {
     emit(state.copyWith(pinnedStories: <Story>[...state.pinnedStories, story]));

lib/cubits/pin/pin_state.dart

@@ -4,22 +4,27 @@ class PinState extends Equatable {
   const PinState({
     required this.pinnedStoriesIds,
     required this.pinnedStories,
+    required this.status,
   });
 
   PinState.init()
       : pinnedStoriesIds = <int>[],
-        pinnedStories = <Story>[];
+        pinnedStories = <Story>[],
+        status = Status.idle;
 
   final List<int> pinnedStoriesIds;
   final List<Story> pinnedStories;
+  final Status status;
 
   PinState copyWith({
     List<int>? pinnedStoriesIds,
     List<Story>? pinnedStories,
+    Status? status,
   }) {
     return PinState(
       pinnedStoriesIds: pinnedStoriesIds ?? this.pinnedStoriesIds,
       pinnedStories: pinnedStories ?? this.pinnedStories,
+      status: status ?? this.status,
     );
   }
 
@@ -27,5 +32,6 @@ class PinState extends Equatable {
   List<Object?> get props => <Object?>[
         pinnedStoriesIds,
         pinnedStories,
+        status,
       ];
 }

lib/models/font_size.dart

@@ -4,7 +4,8 @@ enum FontSize {
   small('Small', TextDimens.pt15),
   regular('Regular', TextDimens.pt16),
   large('Large', TextDimens.pt17),
-  xlarge('XLarge', TextDimens.pt18);
+  xlarge('XLarge', TextDimens.pt18),
+  xxlarge('XXLarge', TextDimens.pt19);
 
   const FontSize(this.description, this.fontSize);
 

lib/models/models.dart

@@ -7,5 +7,6 @@ export 'item/item.dart';
 export 'post_data.dart';
 export 'preference.dart';
 export 'search_params.dart';
+export 'status.dart';
 export 'story_type.dart';
 export 'user.dart';

lib/models/status.dart

@@ -0,0 +1,6 @@
+enum Status {
+  idle,
+  loading,
+  loaded,
+  error,
+}

lib/screens/item/widgets/custom_app_bar.dart

@@ -43,6 +43,7 @@ class CustomAppBar extends AppBar {
                   fontFamily: FeatherIcons.type.fontFamily,
                   package: FeatherIcons.type.fontPackage,
                 ),
+                textScaleFactor: 1,
               ),
               onPressed: onFontSizeTap,
             ),

lib/screens/item/widgets/main_view.dart

@@ -255,6 +255,8 @@ class _ParentItemSection extends StatelessWidget {
                           style: const TextStyle(
                             color: Palette.orange,
                           ),
+                          textScaleFactor:
+                              MediaQuery.of(context).textScaleFactor,
                         ),
                         const Spacer(),
                         Text(
@@ -262,6 +264,8 @@ class _ParentItemSection extends StatelessWidget {
                           style: const TextStyle(
                             color: Palette.grey,
                           ),
+                          textScaleFactor:
+                              MediaQuery.of(context).textScaleFactor,
                         ),
                       ],
                     ),
@@ -334,9 +338,8 @@ class _ParentItemSection extends StatelessWidget {
                                     ],
                                   ),
                                   textAlign: TextAlign.center,
-                                  textScaleFactor: MediaQuery.of(
-                                    context,
-                                  ).textScaleFactor,
+                                  textScaleFactor:
+                                      MediaQuery.of(context).textScaleFactor,
                                 ),
                               ),
                             )
@@ -354,6 +357,8 @@ class _ParentItemSection extends StatelessWidget {
                                   ),
                                   child: ItemText(
                                     item: state.item,
+                                    textScaleFactor:
+                                        MediaQuery.of(context).textScaleFactor,
                                   ),
                                 ),
                               ),
@@ -402,6 +407,7 @@ class _ParentItemSection extends StatelessWidget {
                     style: const TextStyle(
                       fontSize: TextDimens.pt13,
                     ),
+                    textScaleFactor: 1,
                   ),
                 ] else ...<Widget>[
                   const SizedBox(
@@ -444,6 +450,7 @@ class _ParentItemSection extends StatelessWidget {
                               style: TextStyle(
                                 fontSize: TextDimens.pt13,
                               ),
+                              textScaleFactor: 1,
                             ),
                     ),
                   ),
@@ -462,6 +469,7 @@ class _ParentItemSection extends StatelessWidget {
                               style: const TextStyle(
                                 fontSize: TextDimens.pt13,
                               ),
+                              textScaleFactor: 1,
                             ),
                           ),
                         )
@@ -483,6 +491,7 @@ class _ParentItemSection extends StatelessWidget {
                             style: const TextStyle(
                               fontSize: TextDimens.pt13,
                             ),
+                            textScaleFactor: 1,
                           ),
                         ),
                       )

lib/screens/item/widgets/reply_box.dart

@@ -345,6 +345,8 @@ class _ReplyBoxState extends State<ReplyBox> {
                       child: SingleChildScrollView(
                         child: ItemText(
                           item: replyingTo,
+                          textScaleFactor:
+                              MediaQuery.of(context).textScaleFactor,
                         ),
                       ),
                     ),

lib/screens/widgets/comment_tile.dart

@@ -143,6 +143,8 @@ class CommentTile extends StatelessWidget {
                                       ? orange
                                       : color,
                                 ),
+                                textScaleFactor:
+                                    MediaQuery.of(context).textScaleFactor,
                               ),
                               if (comment.by == opUsername)
                                 const Text(
@@ -157,6 +159,8 @@ class CommentTile extends StatelessWidget {
                                 style: const TextStyle(
                                   color: Palette.grey,
                                 ),
+                                textScaleFactor:
+                                    MediaQuery.of(context).textScaleFactor,
                               ),
                             ],
                           ),
@@ -196,6 +200,8 @@ class CommentTile extends StatelessWidget {
                                       child: ItemText(
                                         key: ValueKey<int>(comment.id),
                                         item: comment,
+                                        textScaleFactor: MediaQuery.of(context)
+                                            .textScaleFactor,
                                         onTap: () {
                                           if (onTap == null) {
                                             _onTextTapped(context);

lib/screens/widgets/custom_linkify/custom_linkify.dart

@@ -3,7 +3,7 @@ import 'package:flutter/material.dart';
 import 'package:hacki/screens/widgets/custom_linkify/linkifiers/linkifiers.dart';
 import 'package:hacki/styles/palette.dart';
 import 'package:hacki/utils/utils.dart';
-import 'package:linkify/linkify.dart';
+import 'package:linkify/linkify.dart' hide UrlLinkifier;
 
 export 'package:hacki/screens/widgets/custom_linkify/linkifiers/linkifiers.dart';
 export 'package:linkify/linkify.dart'
@@ -14,9 +14,7 @@ export 'package:linkify/linkify.dart'
         Linkifier,
         LinkifyElement,
         LinkifyOptions,
-        TextElement,
-        UrlElement,
-        UrlLinkifier;
+        TextElement;
 
 /// Callback clicked link
 typedef LinkCallback = void Function(LinkableElement link);

lib/screens/widgets/custom_linkify/linkifiers/linkifiers.dart

@@ -1,2 +1,3 @@
 export 'emphasis_linkifier.dart';
 export 'quote_linkifier.dart';
+export 'url_linkifier.dart';

lib/screens/widgets/custom_linkify/linkifiers/url_linkifier.dart

@@ -0,0 +1,121 @@
+import 'package:flutter/foundation.dart';
+import 'package:linkify/linkify.dart';
+
+final RegExp _urlRegex = RegExp(
+  r'^(.*?)((?:https?:\/\/|www\.)[^\s/$.?#].[\/\\\%:\?=&#@;A-Za-z0-9_.~-]*)',
+  caseSensitive: false,
+  dotAll: true,
+);
+
+final RegExp _looseUrlRegex = RegExp(
+  r'''^(.*?)((https?:\/\/)?(www\.)?[-a-zA-Z0-9@:%._\+~#=]{2,256}\.[a-z]{2,4}\b([-a-zA-Z0-9@:%_\+.~#?&//="'`]*))''',
+  caseSensitive: false,
+  dotAll: true,
+);
+
+final RegExp _protocolIdentifierRegex = RegExp(
+  r'^(https?:\/\/)',
+  caseSensitive: false,
+);
+
+class UrlLinkifier extends Linkifier {
+  const UrlLinkifier();
+
+  @override
+  List<LinkifyElement> parse(
+    List<LinkifyElement> elements,
+    LinkifyOptions options,
+  ) {
+    final List<LinkifyElement> list = <LinkifyElement>[];
+
+    for (final LinkifyElement element in elements) {
+      if (element is TextElement) {
+        final RegExpMatch? match = options.looseUrl
+            ? _looseUrlRegex.firstMatch(element.text)
+            : _urlRegex.firstMatch(element.text);
+
+        if (match == null) {
+          list.add(element);
+        } else {
+          final String text = element.text.replaceFirst(match.group(0)!, '');
+
+          if (match.group(1)?.isNotEmpty ?? false) {
+            list.add(TextElement(match.group(1)!));
+          }
+
+          if (match.group(2)?.isNotEmpty ?? false) {
+            String originalUrl = match.group(2)!;
+            String originText = originalUrl;
+            String? end;
+
+            if ((options.excludeLastPeriod) &&
+                originalUrl[originalUrl.length - 1] == '.') {
+              end = '.';
+              originText = originText.substring(0, originText.length - 1);
+              originalUrl = originalUrl.substring(0, originalUrl.length - 1);
+            }
+
+            String url = originalUrl;
+
+            if (!originalUrl.startsWith(_protocolIdentifierRegex)) {
+              originalUrl = (options.defaultToHttps ? 'https://' : 'http://') +
+                  originalUrl;
+            }
+
+            if ((options.humanize) || (options.removeWww)) {
+              if (options.humanize) {
+                url = url.replaceFirst(RegExp('https?://'), '');
+              }
+              if (options.removeWww) {
+                url = url.replaceFirst(RegExp(r'www\.'), '');
+              }
+
+              list.add(
+                UrlElement(
+                  originalUrl,
+                  url,
+                  originText,
+                ),
+              );
+            } else {
+              list.add(UrlElement(originalUrl, null, originText));
+            }
+
+            if (end != null) {
+              list.add(TextElement(end));
+            }
+          }
+
+          if (text.isNotEmpty) {
+            list.addAll(parse(<LinkifyElement>[TextElement(text)], options));
+          }
+        }
+      } else {
+        list.add(element);
+      }
+    }
+
+    return list;
+  }
+}
+
+/// Represents an element containing a link
+@immutable
+class UrlElement extends LinkableElement {
+  UrlElement(String url, [String? text, String? originText])
+      : super(text, url, originText);
+
+  @override
+  String toString() {
+    return "LinkElement: '$url' ($text)";
+  }
+
+  @override
+  bool operator ==(Object other) => equals(other);
+
+  @override
+  int get hashCode => Object.hash(text, originText, url);
+
+  @override
+  bool equals(dynamic other) => other is UrlElement && super.equals(other);
+}

lib/screens/widgets/item_text.dart

@@ -10,12 +10,14 @@ import 'package:hacki/utils/utils.dart';
 class ItemText extends StatelessWidget {
   const ItemText({
     required this.item,
+    required this.textScaleFactor,
     super.key,
     this.onTap,
   });
 
   final Item item;
   final VoidCallback? onTap;
+  final double textScaleFactor;
 
   @override
   Widget build(BuildContext context) {
@@ -37,7 +39,7 @@ class ItemText extends StatelessWidget {
           onOpen: (LinkableElement link) => LinkUtil.launch(link.url),
         ),
         onTap: onTap,
-        textScaleFactor: MediaQuery.of(context).textScaleFactor,
+        textScaleFactor: textScaleFactor,
         contextMenuBuilder: (
           BuildContext context,
           EditableTextState editableTextState,
@@ -52,7 +54,7 @@ class ItemText extends StatelessWidget {
     } else {
       return SelectableLinkify(
         text: item.text,
-        textScaleFactor: MediaQuery.of(context).textScaleFactor,
+        textScaleFactor: textScaleFactor,
         style: style,
         linkStyle: linkStyle,
         onOpen: (LinkableElement link) => LinkUtil.launch(link.url),

lib/styles/dimens.dart

@@ -33,6 +33,7 @@ abstract class TextDimens {
   static const double pt16 = 16;
   static const double pt17 = 17;
   static const double pt18 = 18;
+  static const double pt19 = 19;
   static const double pt20 = 20;
   static const double pt24 = 24;
   static const double pt26 = 26;

lib/utils/link_util.dart

@@ -2,7 +2,6 @@ import 'dart:io';
 
 import 'package:flutter/material.dart';
 import 'package:flutter_inappwebview/flutter_inappwebview.dart';
-import 'package:hacki/config/constants.dart';
 import 'package:hacki/config/locator.dart';
 import 'package:hacki/extensions/extensions.dart';
 import 'package:hacki/main.dart';
@@ -54,17 +53,7 @@ abstract class LinkUtil {
       return;
     }
 
-    Uri rinseLink(String link) {
-      final RegExp regex = RegExp(RegExpConstants.linkSuffix);
-      if (!link.contains('en.wikipedia.org') && link.contains(regex)) {
-        final String match = regex.stringMatch(link) ?? '';
-        return Uri.parse(link.replaceAll(match, ''));
-      }
-
-      return Uri.parse(link);
-    }
-
-    final Uri uri = rinseLink(link);
+    final Uri uri = Uri.parse(link);
     canLaunchUrl(uri).then((bool val) {
       if (val) {
         if (link.contains('http')) {

lib/utils/linkifier_util.dart

@@ -1,5 +1,5 @@
 import 'package:hacki/screens/widgets/custom_linkify/linkifiers/linkifiers.dart';
-import 'package:linkify/linkify.dart';
+import 'package:linkify/linkify.dart' hide UrlLinkifier;
 
 abstract class LinkifierUtil {
   static const LinkifyOptions linkifyOptions = LinkifyOptions(humanize: false);

pubspec.yaml

@@ -1,6 +1,6 @@
 name: hacki
 description: A Hacker News reader.
-version: 1.8.0+116
+version: 1.8.1+117
 publish_to: none
 
 environment: