Bug 1725806 - Part 6. Support autocorrect on UIKit backend. r=masayuki

Differential Revision: https://phabricator.services.mozilla.com/D221574

widget/uikit/UIKitUtils.h

@@ -3,6 +3,9 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
+#ifndef mozilla_widget_UIKitUtils_h__
+#define mozilla_widget_UIKitUtils_h__
+
 #import <UIKit/UIKit.h>
 
 #include "IMEData.h"
@@ -18,6 +21,10 @@ class UIKitUtils final {
   static UIReturnKeyType GetUIReturnKeyType(const InputContext& aContext);
   static UITextAutocapitalizationType GetUITextAutocapitalizationType(
       const InputContext& aContext);
+  static UITextAutocorrectionType GetUITextAutocorrectionType(
+      const InputContext& aContext);
 };
 
 }  // namespace mozilla::widget
+
+#endif

widget/uikit/UIKitUtils.mm

@@ -86,4 +86,11 @@ UITextAutocapitalizationType UIKitUtils::GetUITextAutocapitalizationType(
   return UITextAutocapitalizationTypeNone;
 }
 
+// static
+UITextAutocorrectionType UIKitUtils::GetUITextAutocorrectionType(
+    const InputContext& aContext) {
+  return aContext.mAutocorrect ? UITextAutocorrectionTypeYes
+                               : UITextAutocorrectionTypeNo;
+}
+
 }  // namespace mozilla::widget

widget/uikit/nsWindow.mm

@@ -552,6 +552,15 @@ class nsAutoRetainUIKitObject {
       mGeckoChild->GetInputContext());
 }
 
+- (UITextAutocorrectionType)autocorrectionType {
+  if (!mGeckoChild || mGeckoChild->Destroyed()) {
+    return UITextAutocorrectionTypeDefault;
+  }
+
+  return UIKitUtils::GetUITextAutocorrectionType(
+      mGeckoChild->GetInputContext());
+}
+
 - (BOOL)isSecureTextEntry {
   if (!mGeckoChild || mGeckoChild->Destroyed()) {
     return NO;