Refactor using platform helper

lib/src/utils/platform_helper.dart

@@ -5,8 +5,21 @@ bool isMobile([TargetPlatform? targetPlatform]) {
   return {TargetPlatform.iOS, TargetPlatform.android}.contains(targetPlatform);
 }
 
-bool get isDesktop => {
+bool isDesktop([TargetPlatform? targetPlatform]) {
+  targetPlatform ??= defaultTargetPlatform;
+  return {TargetPlatform.macOS, TargetPlatform.linux, TargetPlatform.windows}
+      .contains(targetPlatform);
+}
+
+bool isKeyboardOS([TargetPlatform? targetPlatform]) {
+  targetPlatform ??= defaultTargetPlatform;
+  return isDesktop(targetPlatform) || targetPlatform == TargetPlatform.fuchsia;
+}
+
+bool isAppleOS([TargetPlatform? targetPlatform]) {
+  targetPlatform ??= defaultTargetPlatform;
+  return {
     TargetPlatform.macOS,
-      TargetPlatform.linux,
+    TargetPlatform.iOS,
-      TargetPlatform.windows
+  }.contains(targetPlatform);
-    }.contains(defaultTargetPlatform);
+}

lib/src/widgets/cursor.dart

@@ -1,8 +1,8 @@
 import 'dart:async';
 
-import 'package:flutter/foundation.dart';
 import 'package:flutter/widgets.dart';
 
+import '../utils/platform_helper.dart';
 import 'box.dart';
 
 /// Style properties of editing cursor.
@@ -287,11 +287,7 @@ class CursorPainter {
 
     final caretHeight = editable!.getFullHeightForCaret(position);
     if (caretHeight != null) {
-      switch (defaultTargetPlatform) {
+      if (isKeyboardOS()) {
-        case TargetPlatform.android:
-        case TargetPlatform.fuchsia:
-        case TargetPlatform.linux:
-        case TargetPlatform.windows:
         // Override the height to take the full height of the glyph at the
         // TextPosition when not on iOS. iOS has special handling that
         // creates a taller caret.
@@ -301,9 +297,7 @@ class CursorPainter {
           caretRect.width,
           caretHeight,
         );
-          break;
+      } else if (isAppleOS()) {
-        case TargetPlatform.iOS:
-        case TargetPlatform.macOS:
         // Center the caret vertically along the text.
         caretRect = Rect.fromLTWH(
           caretRect.left,
@@ -311,8 +305,7 @@ class CursorPainter {
           caretRect.width,
           caretRect.height,
         );
-          break;
+      } else {
-        default:
         throw UnimplementedError();
       }
     }

lib/src/widgets/default_styles.dart

@@ -3,6 +3,7 @@ import 'package:tuple/tuple.dart';
 
 import '../../flutter_quill.dart';
 import '../../models/documents/style.dart';
+import '../utils/platform_helper.dart';
 
 class QuillStyles extends InheritedWidget {
   const QuillStyles({
@@ -192,18 +193,11 @@ class DefaultStyles {
     );
     const baseSpacing = Tuple2<double, double>(6, 0);
     String fontFamily;
-    switch (themeData.platform) {
+    if (isAppleOS(themeData.platform)) {
-      case TargetPlatform.iOS:
-      case TargetPlatform.macOS:
       fontFamily = 'Menlo';
-        break;
+    } else if (isKeyboardOS(themeData.platform)) {
-      case TargetPlatform.android:
-      case TargetPlatform.fuchsia:
-      case TargetPlatform.windows:
-      case TargetPlatform.linux:
       fontFamily = 'Roboto Mono';
-        break;
+    } else {
-      default:
       throw UnimplementedError();
     }
 

lib/src/widgets/editor.dart

@@ -398,33 +398,25 @@ class _QuillEditorState extends State<QuillEditor>
     Color selectionColor;
     Radius? cursorRadius;
 
-    switch (theme.platform) {
+    if (isKeyboardOS(theme.platform)) {
-      case TargetPlatform.android:
-      case TargetPlatform.fuchsia:
-      case TargetPlatform.linux:
-      case TargetPlatform.windows:
       textSelectionControls = materialTextSelectionControls;
       paintCursorAboveText = false;
       cursorOpacityAnimates = false;
       cursorColor ??= selectionTheme.cursorColor ?? theme.colorScheme.primary;
       selectionColor = selectionTheme.selectionColor ??
           theme.colorScheme.primary.withOpacity(0.40);
-        break;
+    } else if (isAppleOS(theme.platform)) {
-      case TargetPlatform.iOS:
-      case TargetPlatform.macOS:
       final cupertinoTheme = CupertinoTheme.of(context);
       textSelectionControls = cupertinoTextSelectionControls;
       paintCursorAboveText = true;
       cursorOpacityAnimates = true;
-        cursorColor ??=
+      cursorColor ??= selectionTheme.cursorColor ?? cupertinoTheme.primaryColor;
-            selectionTheme.cursorColor ?? cupertinoTheme.primaryColor;
       selectionColor = selectionTheme.selectionColor ??
           cupertinoTheme.primaryColor.withOpacity(0.40);
       cursorRadius ??= const Radius.circular(2);
       cursorOffset = Offset(
           iOSHorizontalOffset / MediaQuery.of(context).devicePixelRatio, 0);
-        break;
+    } else {
-      default:
       throw UnimplementedError();
     }
 
@@ -524,26 +516,21 @@ class _QuillEditorSelectionGestureDetectorBuilder
     if (!delegate.selectionEnabled) {
       return;
     }
-    switch (Theme.of(_state.context).platform) {
+
-      case TargetPlatform.iOS:
+    final _platform = Theme.of(_state.context).platform;
-      case TargetPlatform.macOS:
+    if (isAppleOS(_platform)) {
       renderEditor!.selectPositionAt(
         from: details.globalPosition,
         cause: SelectionChangedCause.longPress,
       );
-        break;
+    } else if (isKeyboardOS(_platform)) {
-      case TargetPlatform.android:
-      case TargetPlatform.fuchsia:
-      case TargetPlatform.linux:
-      case TargetPlatform.windows:
       renderEditor!.selectWordsInRange(
         details.globalPosition - details.offsetFromOrigin,
         details.globalPosition,
         SelectionChangedCause.longPress,
       );
-        break;
+    } else {
-      default:
+      throw UnimplementedError();
-        throw 'Invalid platform';
     }
   }
 
@@ -599,9 +586,8 @@ class _QuillEditorSelectionGestureDetectorBuilder
     final positionSelected = _isPositionSelected(details);
 
     if (delegate.selectionEnabled && !positionSelected) {
-      switch (Theme.of(_state.context).platform) {
+      final _platform = Theme.of(_state.context).platform;
-        case TargetPlatform.iOS:
+      if (isAppleOS(_platform)) {
-        case TargetPlatform.macOS:
         switch (details.kind) {
           case PointerDeviceKind.mouse:
           case PointerDeviceKind.stylus:
@@ -625,26 +611,15 @@ class _QuillEditorSelectionGestureDetectorBuilder
           case PointerDeviceKind.unknown:
             // On macOS/iOS/iPadOS a touch tap places the cursor at the edge
             // of the word.
-              try {
             renderEditor!
               ..selectWordEdge(SelectionChangedCause.tap)
               ..onSelectionCompleted();
-              } finally {
             break;
         }
-          }
+      } else if (isKeyboardOS(_platform)) {
-          break;
-        case TargetPlatform.android:
-        case TargetPlatform.fuchsia:
-        case TargetPlatform.linux:
-        case TargetPlatform.windows:
-          try {
         renderEditor!
           ..selectPosition(cause: SelectionChangedCause.tap)
           ..onSelectionCompleted();
-          } finally {
-            break;
-          }
       }
     }
     _state._requestKeyboard();
@@ -661,23 +636,17 @@ class _QuillEditorSelectionGestureDetectorBuilder
     }
 
     if (delegate.selectionEnabled) {
-      switch (Theme.of(_state.context).platform) {
+      final _platform = Theme.of(_state.context).platform;
-        case TargetPlatform.iOS:
+      if (isAppleOS(_platform)) {
-        case TargetPlatform.macOS:
         renderEditor!.selectPositionAt(
           from: details.globalPosition,
           cause: SelectionChangedCause.longPress,
         );
-          break;
+      } else if (isKeyboardOS(_platform)) {
-        case TargetPlatform.android:
-        case TargetPlatform.fuchsia:
-        case TargetPlatform.linux:
-        case TargetPlatform.windows:
         renderEditor!.selectWord(SelectionChangedCause.longPress);
         Feedback.forLongPress(_state.context);
-          break;
+      } else {
-        default:
+        throw UnimplementedError();
-          throw 'Invalid platform';
       }
     }
   }

lib/src/widgets/raw_editor.dart

@@ -1,5 +1,6 @@
 import 'dart:async';
 import 'dart:convert';
+import 'dart:io';
 import 'dart:math' as math;
 
 import 'package:flutter/cupertino.dart';
@@ -16,6 +17,7 @@ import '../models/documents/attribute.dart';
 import '../models/documents/document.dart';
 import '../models/documents/nodes/block.dart';
 import '../models/documents/nodes/line.dart';
+import '../utils/platform_helper.dart';
 import 'controller.dart';
 import 'cursor.dart';
 import 'default_styles.dart';
@@ -524,10 +526,7 @@ class RawEditorState extends EditorState
     _floatingCursorResetController = AnimationController(vsync: this);
     _floatingCursorResetController.addListener(onFloatingCursorResetTick);
 
-    if (defaultTargetPlatform == TargetPlatform.windows ||
+    if (isKeyboardOS()) {
-        defaultTargetPlatform == TargetPlatform.macOS ||
-        defaultTargetPlatform == TargetPlatform.linux ||
-        defaultTargetPlatform == TargetPlatform.fuchsia) {
       _keyboardVisible = true;
     } else {
       _keyboardVisibilityController = KeyboardVisibilityController();
@@ -852,24 +851,16 @@ class RawEditorState extends EditorState
       bringIntoView(textEditingValue.selection.extent);
       hideToolbar(false);
 
-      switch (defaultTargetPlatform) {
+      if (isKeyboardOS() || Platform.isAndroid) {
-        case TargetPlatform.iOS:
-          break;
-        case TargetPlatform.macOS:
-        case TargetPlatform.android:
-        case TargetPlatform.fuchsia:
-        case TargetPlatform.linux:
-        case TargetPlatform.windows:
         // Collapse the selection and hide the toolbar and handles.
         userUpdateTextEditingValue(
           TextEditingValue(
             text: textEditingValue.text,
-              selection: TextSelection.collapsed(
+            selection:
-                  offset: textEditingValue.selection.end),
+                TextSelection.collapsed(offset: textEditingValue.selection.end),
           ),
           SelectionChangedCause.toolbar,
         );
-          break;
       }
     }
   }

lib/src/widgets/text_line.dart

@@ -1,7 +1,6 @@
 import 'dart:collection';
 import 'dart:math' as math;
 
-import 'package:flutter/foundation.dart';
 import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
@@ -81,7 +80,7 @@ class _TextLineState extends State<TextLine> {
 
     // Desktop platforms (macos, linux, windows):
     // only allow Meta(Control)+Click combinations
-    if (isDesktop) {
+    if (isDesktop()) {
       return _metaOrControlPressed;
     }
     // Mobile platforms (ios, android): always allow but we install a
@@ -376,7 +375,7 @@ class _TextLineState extends State<TextLine> {
       return _linkRecognizers[segment]!;
     }
 
-    if (isDesktop || widget.readOnly) {
+    if (isDesktop() || widget.readOnly) {
       _linkRecognizers[segment] = TapGestureRecognizer()
         ..onTap = () => _tapNodeLink(segment);
     } else {
@@ -854,19 +853,12 @@ class RenderEditableTextLine extends RenderEditableBox {
   /// of the cursor for iOS is approximate and obtained through an eyeball
   /// comparison.
   void _computeCaretPrototype() {
-    switch (defaultTargetPlatform) {
+    if (isAppleOS()) {
-      case TargetPlatform.iOS:
-      case TargetPlatform.macOS:
       _caretPrototype = Rect.fromLTWH(0, 0, cursorWidth, cursorHeight + 2);
-        break;
+    } else if (isKeyboardOS()) {
-      case TargetPlatform.android:
-      case TargetPlatform.fuchsia:
-      case TargetPlatform.linux:
-      case TargetPlatform.windows:
       _caretPrototype = Rect.fromLTWH(0, 2, cursorWidth, cursorHeight - 4.0);
-        break;
+    } else {
-      default:
+      throw UnimplementedError();
-        throw 'Invalid platform';
     }
   }