Add AccessibilityAction ACTION_SHOW_SUGGESTIONS

And implement it for editable text to show the popup
window for typo correction.

Bug: b/143378480

Test: tested with modified talkback.
Change-Id: I8bb1ec87f6bb2177fb4b8fb9a88bfbe10b374173

1 files changed, 17 insertions, 0 deletions

diff --git a/core/java/android/widget/TextView.java b/core/java/android/widget/TextView.java
index 496fa67498eb..014340197393 100644
--- a/core/java/android/widget/TextView.java
+++ b/core/java/android/widget/TextView.java
@@ -12105,6 +12105,9 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
             if (canCut()) {
                 info.addAction(AccessibilityNodeInfo.ACTION_CUT);
             }
+            if (canReplace()) {
+                info.addAction(AccessibilityNodeInfo.AccessibilityAction.ACTION_SHOW_SUGGESTIONS);
+            }
             if (canShare()) {
                 info.addAction(new AccessibilityNodeInfo.AccessibilityAction(
                         ACCESSIBILITY_ACTION_SHARE,
@@ -12419,6 +12422,11 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
             }
             return false;
             default: {
+                // New ids have static blocks to assign values, so they can't be used in a case
+                // block.
+                if (action == R.id.accessibilityActionShowSuggestions) {
+                    return isFocused() && canReplace() && onTextContextMenuItem(ID_REPLACE);
+                }
                 return super.performAccessibilityActionInternal(action, arguments);
             }
         }
@@ -13005,6 +13013,15 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
         return false;
     }
 
+    boolean canReplace() {
+        if (hasPasswordTransformationMethod()) {
+            return false;
+        }
+
+        return (mText.length() > 0) && (mText instanceof Editable) && (mEditor != null)
+                && isSuggestionsEnabled() && mEditor.shouldOfferToShowSuggestions();
+    }
+
     boolean canShare() {
         if (!getContext().canStartActivityForResult() || !isDeviceProvisioned()) {
             return false;