fix: icon picker issues on mobile (AppFlowy-IO#7113)

* fix: error displaying in Page style

* fix: error displaying in Favorite/Recent page

* fix: complete the filter logic of icon picker

* fix: the color picker showed when tapping down

* fix: icons are not supported in subpage blocks

* chore: add some tests

* fix: recent icons not working for grid header icon

frontend/appflowy_flutter/integration_test/desktop/document/document_sub_page_test.dart

@@ -1,7 +1,9 @@
 import 'dart:io';
 
 import 'package:appflowy/generated/locale_keys.g.dart';
+import 'package:appflowy/plugins/document/presentation/editor_plugins/header/emoji_icon_widget.dart';
 import 'package:appflowy/plugins/document/presentation/editor_plugins/sub_page/sub_page_block_component.dart';
+import 'package:appflowy/shared/icon_emoji_picker/recent_icons.dart';
 import 'package:appflowy/workspace/presentation/home/menu/view/view_action_type.dart';
 import 'package:appflowy_backend/protobuf/flowy-folder/view.pb.dart';
 import 'package:appflowy_editor/appflowy_editor.dart';
@@ -11,6 +13,7 @@ import 'package:flutter/services.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:integration_test/integration_test.dart';
 
+import '../../shared/emoji.dart';
 import '../../shared/util.dart';
 
 // Test cases for the Document SubPageBlock that needs to be covered:
@@ -37,7 +40,14 @@ import '../../shared/util.dart';
 const _defaultPageName = "";
 
 void main() {
-  IntegrationTestWidgetsFlutterBinding.ensureInitialized();
+  setUpAll(() {
+    IntegrationTestWidgetsFlutterBinding.ensureInitialized();
+    RecentIcons.enable = false;
+  });
+
+  tearDownAll(() {
+    RecentIcons.enable = true;
+  });
 
   group('Document SubPageBlock tests', () {
     testWidgets('Insert a new SubPageBlock from Slash menu items',
@@ -498,6 +508,38 @@ void main() {
 
       expect(find.text('Parent'), findsNWidgets(2));
     });
+
+    testWidgets('Displaying icon of subpage', (tester) async {
+      const firstPage = 'FirstPage';
+
+      await tester.initializeAppFlowy();
+      await tester.tapAnonymousSignInButton();
+      await tester.createNewPageWithNameUnderParent(name: firstPage);
+      final icon = await tester.loadIcon();
+
+      /// create subpage
+      await tester.editor.tapLineOfEditorAt(0);
+      await tester.editor.showSlashMenu();
+      await tester.editor.tapSlashMenuItemWithName(
+        LocaleKeys.document_slashMenu_subPage_name.tr(),
+        offset: 100,
+      );
+
+      /// add icon
+      await tester.editor.hoverOnCoverToolbar();
+      await tester.editor.tapAddIconButton();
+      await tester.tapIcon(icon);
+      await tester.pumpAndSettle();
+      await tester.openPage(firstPage);
+
+      /// check if there is a icon in document
+      final iconWidget = find.byWidgetPredicate((w) {
+        if (w is! RawEmojiIconWidget) return false;
+        final iconData = w.emoji.emoji;
+        return iconData == icon.emoji;
+      });
+      expect(iconWidget, findsOneWidget);
+    });
   });
 }
 

frontend/appflowy_flutter/integration_test/desktop/sidebar/sidebar_icon_test.dart

@@ -1,9 +1,7 @@
 import 'package:appflowy/plugins/base/emoji/emoji_picker.dart';
 import 'package:appflowy/plugins/document/presentation/editor_plugins/base/emoji_picker_button.dart';
 import 'package:appflowy/shared/icon_emoji_picker/flowy_icon_emoji_picker.dart';
-import 'package:appflowy/shared/icon_emoji_picker/icon_picker.dart';
 import 'package:appflowy/shared/icon_emoji_picker/recent_icons.dart';
-import 'package:appflowy/workspace/presentation/home/menu/sidebar/space/space_icon_popup.dart';
 import 'package:appflowy/workspace/presentation/widgets/view_title_bar.dart';
 import 'package:appflowy_backend/protobuf/flowy-folder/view.pb.dart';
 import 'package:flowy_infra_ui/style_widget/text_field.dart';
@@ -27,21 +25,6 @@ void main() {
     RecentIcons.enable = true;
   });
 
-  Future<EmojiIconData> loadIcon() async {
-    await loadIconGroups();
-    final groups = kIconGroups!;
-    final firstGroup = groups.first;
-    final firstIcon = firstGroup.icons.first;
-    return EmojiIconData.icon(
-      IconsData(
-        firstGroup.name,
-        firstIcon.content,
-        firstIcon.name,
-        builtInSpaceColors.first,
-      ),
-    );
-  }
-
   testWidgets('Update page emoji in sidebar', (tester) async {
     await tester.initializeAppFlowy();
     await tester.tapAnonymousSignInButton();
@@ -160,7 +143,7 @@ void main() {
   testWidgets('Update page icon in sidebar', (tester) async {
     await tester.initializeAppFlowy();
     await tester.tapAnonymousSignInButton();
-    final iconData = await loadIcon();
+    final iconData = await tester.loadIcon();
 
     // create document, board, grid and calendar views
     for (final value in ViewLayoutPB.values) {
@@ -192,7 +175,7 @@ void main() {
   testWidgets('Update page icon in title bar', (tester) async {
     await tester.initializeAppFlowy();
     await tester.tapAnonymousSignInButton();
-    final iconData = await loadIcon();
+    final iconData = await tester.loadIcon();
 
     // create document, board, grid and calendar views
     for (final value in ViewLayoutPB.values) {

frontend/appflowy_flutter/integration_test/mobile/document/page_style_test.dart

@@ -1,17 +1,30 @@
 import 'package:appflowy/generated/flowy_svgs.g.dart';
+import 'package:appflowy/generated/locale_keys.g.dart';
 import 'package:appflowy/mobile/application/page_style/document_page_style_bloc.dart';
 import 'package:appflowy/mobile/presentation/base/view_page/app_bar_buttons.dart';
 import 'package:appflowy/mobile/presentation/bottom_sheet/bottom_sheet_buttons.dart';
+import 'package:appflowy/mobile/presentation/mobile_bottom_navigation_bar.dart';
 import 'package:appflowy/plugins/document/presentation/editor_page.dart';
 import 'package:appflowy/plugins/document/presentation/editor_plugins/cover/document_immersive_cover.dart';
+import 'package:appflowy/plugins/document/presentation/editor_plugins/page_style/_page_style_icon.dart';
+import 'package:appflowy/shared/icon_emoji_picker/recent_icons.dart';
+import 'package:easy_localization/easy_localization.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:integration_test/integration_test.dart';
 
+import '../../shared/emoji.dart';
 import '../../shared/util.dart';
 
 void main() {
-  IntegrationTestWidgetsFlutterBinding.ensureInitialized();
+  setUpAll(() {
+    IntegrationTestWidgetsFlutterBinding.ensureInitialized();
+    RecentIcons.enable = false;
+  });
+
+  tearDownAll(() {
+    RecentIcons.enable = true;
+  });
 
   group('document page style:', () {
     double getCurrentEditorFontSize() {
@@ -114,5 +127,37 @@ void main() {
       );
       expect(builtInCover, findsOneWidget);
     });
+
+    testWidgets('page style icon', (tester) async {
+      await tester.launchInAnonymousMode();
+
+      final createPageButton =
+          find.byKey(BottomNavigationBarItemType.add.valueKey);
+      await tester.tapButton(createPageButton);
+
+      /// toggle the preset button
+      await tester.tapSvgButton(FlowySvgs.m_layout_s);
+
+      /// select document plugins emoji
+      final pageStyleIcon = find.byType(PageStyleIcon);
+
+      /// there should be none of emoji
+      final noneText = find.text(LocaleKeys.pageStyle_none.tr());
+      expect(noneText, findsOneWidget);
+      await tester.tapButton(pageStyleIcon);
+
+      /// select an emoji
+      const emoji = '😄';
+      await tester.tapEmoji(emoji);
+      await tester.tapSvgButton(FlowySvgs.m_layout_s);
+      expect(noneText, findsNothing);
+      expect(
+        find.descendant(
+          of: pageStyleIcon,
+          matching: find.text(emoji),
+        ),
+        findsOneWidget,
+      );
+    });
   });
 }

frontend/appflowy_flutter/integration_test/shared/base.dart

@@ -175,6 +175,33 @@ extension AppFlowyTestBase on WidgetTester {
     }
   }
 
+  Future<void> tapDown(
+    Finder finder, {
+    int? pointer,
+    int buttons = kPrimaryButton,
+    PointerDeviceKind kind = PointerDeviceKind.touch,
+    bool pumpAndSettle = true,
+    int milliseconds = 500,
+  }) async {
+    final location = getCenter(finder);
+    final TestGesture gesture = await startGesture(
+      location,
+      pointer: pointer,
+      buttons: buttons,
+      kind: kind,
+    );
+    await gesture.cancel();
+    await gesture.down(location);
+    await gesture.cancel();
+    if (pumpAndSettle) {
+      await this.pumpAndSettle(
+        Duration(milliseconds: milliseconds),
+        EnginePhase.sendSemanticsUpdate,
+        const Duration(seconds: 15),
+      );
+    }
+  }
+
   Future<void> tapButtonWithName(
     String tr, {
     int milliseconds = 500,

frontend/appflowy_flutter/integration_test/shared/common_operations.dart

@@ -13,6 +13,7 @@ import 'package:appflowy/plugins/document/presentation/editor_plugins/simple_tab
 import 'package:appflowy/plugins/shared/share/share_button.dart';
 import 'package:appflowy/shared/feature_flags.dart';
 import 'package:appflowy/shared/icon_emoji_picker/flowy_icon_emoji_picker.dart';
+import 'package:appflowy/shared/icon_emoji_picker/icon_picker.dart';
 import 'package:appflowy/shared/text_field/text_filed_with_metric_lines.dart';
 import 'package:appflowy/startup/startup.dart';
 import 'package:appflowy/user/presentation/screens/screens.dart';
@@ -23,6 +24,7 @@ import 'package:appflowy/workspace/presentation/home/menu/sidebar/shared/sidebar
 import 'package:appflowy/workspace/presentation/home/menu/sidebar/space/shared_widget.dart';
 import 'package:appflowy/workspace/presentation/home/menu/sidebar/space/sidebar_space_header.dart';
 import 'package:appflowy/workspace/presentation/home/menu/sidebar/space/sidebar_space_menu.dart';
+import 'package:appflowy/workspace/presentation/home/menu/sidebar/space/space_icon_popup.dart';
 import 'package:appflowy/workspace/presentation/home/menu/sidebar/workspace/_sidebar_workspace_menu.dart';
 import 'package:appflowy/workspace/presentation/home/menu/sidebar/workspace/sidebar_workspace.dart';
 import 'package:appflowy/workspace/presentation/home/menu/view/draggable_view_item.dart';
@@ -898,6 +900,22 @@ extension CommonOperations on WidgetTester {
     await tapAt(Offset.zero);
     await pumpUntilNotFound(finder);
   }
+
+  /// load icon list and return the first one
+  Future<EmojiIconData> loadIcon() async {
+    await loadIconGroups();
+    final groups = kIconGroups!;
+    final firstGroup = groups.first;
+    final firstIcon = firstGroup.icons.first;
+    return EmojiIconData.icon(
+      IconsData(
+        firstGroup.name,
+        firstIcon.content,
+        firstIcon.name,
+        builtInSpaceColors.first,
+      ),
+    );
+  }
 }
 
 extension SettingsFinder on CommonFinders {

frontend/appflowy_flutter/integration_test/shared/emoji.dart

@@ -42,6 +42,11 @@ extension EmojiTestExtension on WidgetTester {
       ),
     );
     expect(find.byType(IconColorPicker), findsNothing);
+
+    /// test for tapping down, it should not display the ColorPicker unless tapping up
+    await tapDown(selectedSvg);
+    expect(find.byType(IconColorPicker), findsNothing);
+
     await tapButton(selectedSvg);
     final colorPicker = find.byType(IconColorPicker);
     expect(colorPicker, findsOneWidget);

frontend/appflowy_flutter/lib/mobile/presentation/home/shared/mobile_page_card.dart

@@ -178,15 +178,16 @@ class MobileViewPage extends StatelessWidget {
       overflow: TextOverflow.ellipsis,
       text: TextSpan(
         children: [
-          WidgetSpan(
-            child: SizedBox(
-              width: 20,
-              child: EmojiIconWidget(
-                emoji: icon,
-                emojiSize: 17.0,
+          if (icon.isNotEmpty)
+            WidgetSpan(
+              child: SizedBox(
+                width: 20,
+                child: EmojiIconWidget(
+                  emoji: icon,
+                  emojiSize: 17.0,
+                ),
               ),
             ),
-          ),
           if (icon.isNotEmpty) const WidgetSpan(child: HSpace(2.0)),
           TextSpan(
             text: name,

frontend/appflowy_flutter/lib/plugins/document/presentation/editor_plugins/page_style/_page_style_icon.dart

@@ -48,12 +48,15 @@ class _PageStyleIconState extends State<PageStyleIcon> {
                   const HSpace(16.0),
                   FlowyText(LocaleKeys.document_plugins_emoji.tr()),
                   const Spacer(),
-                  RawEmojiIconWidget(
-                    emoji: icon.isNotEmpty
-                        ? icon
-                        : EmojiIconData.emoji(LocaleKeys.pageStyle_none.tr()),
-                    emojiSize: icon.isNotEmpty ? 22.0 : 16.0,
-                  ),
+                  icon.isEmpty
+                      ? FlowyText(
+                          LocaleKeys.pageStyle_none.tr(),
+                          fontSize: 16.0,
+                        )
+                      : RawEmojiIconWidget(
+                          emoji: icon,
+                          emojiSize: 22.0,
+                        ),
                   const HSpace(6.0),
                   const FlowySvg(FlowySvgs.m_page_style_arrow_right_s),
                   const HSpace(12.0),

frontend/appflowy_flutter/lib/plugins/document/presentation/editor_plugins/sub_page/sub_page_block_component.dart

@@ -1,8 +1,10 @@
 import 'package:appflowy/generated/locale_keys.g.dart';
 import 'package:appflowy/mobile/application/mobile_router.dart';
+import 'package:appflowy/plugins/document/presentation/editor_plugins/header/emoji_icon_widget.dart';
 import 'package:appflowy/plugins/document/presentation/editor_plugins/mention/mention_page_block.dart';
 import 'package:appflowy/plugins/document/presentation/editor_plugins/shared_context/shared_context.dart';
 import 'package:appflowy/plugins/trash/application/trash_listener.dart';
+import 'package:appflowy/shared/icon_emoji_picker/flowy_icon_emoji_picker.dart';
 import 'package:appflowy/startup/startup.dart';
 import 'package:appflowy/workspace/application/tabs/tabs_bloc.dart';
 import 'package:appflowy/workspace/application/view/view_ext.dart';
@@ -15,7 +17,6 @@ import 'package:appflowy_editor/appflowy_editor.dart';
 import 'package:appflowy_result/appflowy_result.dart';
 import 'package:collection/collection.dart';
 import 'package:easy_localization/easy_localization.dart';
-import 'package:flowy_infra/theme_extension.dart';
 import 'package:flowy_infra_ui/style_widget/text.dart';
 import 'package:flowy_infra_ui/widget/spacing.dart';
 import 'package:flutter/material.dart';
@@ -242,12 +243,9 @@ class SubPageBlockComponentState extends State<SubPageBlockComponent>
                         children: [
                           const HSpace(10),
                           view.icon.value.isNotEmpty
-                              ? FlowyText.emoji(
-                                  view.icon.value,
-                                  fontSize: textStyle.fontSize,
-                                  lineHeight: textStyle.height,
-                                  color:
-                                      AFThemeExtension.of(context).strongText,
+                              ? RawEmojiIconWidget(
+                                  emoji: view.icon.toEmojiIconData(),
+                                  emojiSize: textStyle.fontSize ?? 16.0,
                                 )
                               : view.defaultIcon(),
                           const HSpace(6),

frontend/appflowy_flutter/lib/shared/icon_emoji_picker/icon.dart

@@ -39,8 +39,9 @@ class IconGroup {
     final filteredIcons = icons
         .where(
           (icon) =>
-              icon.keywords.any((k) => k.contains(lowercaseKey)) ||
-              icon.name.contains(lowercaseKey),
+              icon.keywords
+                  .any((k) => k.toLowerCase().contains(lowercaseKey)) ||
+              icon.name.toLowerCase().contains(lowercaseKey),
         )
         .toList();
     return IconGroup(name: name, icons: filteredIcons);
@@ -84,3 +85,23 @@ class Icon {
     return '${iconGroup!.name}/$name';
   }
 }
+
+class RecentIcon {
+  factory RecentIcon.fromJson(Map<String, dynamic> json) =>
+      RecentIcon(_$IconFromJson(json), json['groupName'] ?? '');
+
+  RecentIcon(this.icon, this.groupName);
+
+  final Icon icon;
+  final String groupName;
+
+  String get name => icon.name;
+
+  List<String> get keywords => icon.keywords;
+
+  String get content => icon.content;
+
+  Map<String, dynamic> toJson() => _$IconToJson(
+        Icon(name: name, keywords: keywords, content: content),
+      )..addAll({'groupName': groupName});
+}