Refactor code

lib/src/translations/toolbar.i18n.dart

@@ -107,7 +107,7 @@ extension Localization on String {
           'Remove': '제거하기',
           'Save': '저장하기',
           'Zoom': '확대하기',
-          'Saved': '저장되었습니다',
+          'Saved': '저장되었습니다.',
         },
         'ru': {
           'Paste a link': 'Вставить ссылку',

lib/src/utils/platform_helper.dart

@@ -1,3 +1,12 @@
-import 'dart:io';
+import 'package:flutter/foundation.dart';
 
-bool isMobile() => Platform.isAndroid || Platform.isIOS;
+bool isMobile([TargetPlatform? targetPlatform]) {
+  targetPlatform ??= defaultTargetPlatform;
+  return {TargetPlatform.iOS, TargetPlatform.android}.contains(targetPlatform);
+}
+
+bool get isDesktop => {
+      TargetPlatform.macOS,
+      TargetPlatform.linux,
+      TargetPlatform.windows
+    }.contains(defaultTargetPlatform);

lib/src/widgets/editor.dart

@@ -10,6 +10,7 @@ import 'package:flutter/services.dart';
 import '../models/documents/document.dart';
 import '../models/documents/nodes/container.dart' as container_node;
 import '../models/documents/nodes/line.dart';
+import '../utils/platform_helper.dart';
 import 'box.dart';
 import 'controller.dart';
 import 'cursor.dart';
@@ -444,8 +445,7 @@ class _QuillEditorState extends State<QuillEditor>
         paste: widget.enableInteractiveSelection,
         selectAll: widget.enableInteractiveSelection,
       ),
-      showSelectionHandles: theme.platform == TargetPlatform.iOS ||
+      showSelectionHandles: isMobile(theme.platform),
-          theme.platform == TargetPlatform.android,
       showCursor: widget.showCursor,
       cursorStyle: CursorStyle(
         color: cursorColor,

lib/src/widgets/text_line.dart

@@ -16,6 +16,7 @@ import '../models/documents/nodes/line.dart';
 import '../models/documents/nodes/node.dart';
 import '../models/documents/style.dart';
 import '../utils/color.dart';
+import '../utils/platform_helper.dart';
 import 'box.dart';
 import 'cursor.dart';
 import 'delegate.dart';
@@ -71,12 +72,6 @@ class _TextLineState extends State<TextLine> {
     }
   }
 
-  bool get isDesktop => {
-        TargetPlatform.macOS,
-        TargetPlatform.linux,
-        TargetPlatform.windows
-      }.contains(defaultTargetPlatform);
-
   bool get canLaunchLinks {
     // In readOnly mode users can launch links
     // by simply tapping (clicking) on them