add new accessibility action for EditText to set text content

Bug: 12872344
Change-Id: I85a3805ab0c34b96a7d4228f2382c8ff664e36e8

4 files changed, 51 insertions, 1 deletions

diff --git a/api/current.txt b/api/current.txt
index 89a4692..0575861 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -30251,6 +30251,7 @@ package android.view.accessibility {
     field public static final java.lang.String ACTION_ARGUMENT_MOVEMENT_GRANULARITY_INT = "ACTION_ARGUMENT_MOVEMENT_GRANULARITY_INT";
     field public static final java.lang.String ACTION_ARGUMENT_SELECTION_END_INT = "ACTION_ARGUMENT_SELECTION_END_INT";
     field public static final java.lang.String ACTION_ARGUMENT_SELECTION_START_INT = "ACTION_ARGUMENT_SELECTION_START_INT";
+    field public static final java.lang.String ACTION_ARGUMENT_SET_TEXT_CHARSEQUENCE = "ACTION_ARGUMENT_SET_TEXT_CHARSEQUENCE";
     field public static final int ACTION_CLEAR_ACCESSIBILITY_FOCUS = 128; // 0x80
     field public static final int ACTION_CLEAR_FOCUS = 2; // 0x2
     field public static final int ACTION_CLEAR_SELECTION = 8; // 0x8
@@ -30271,6 +30272,7 @@ package android.view.accessibility {
     field public static final int ACTION_SCROLL_FORWARD = 4096; // 0x1000
     field public static final int ACTION_SELECT = 4; // 0x4
     field public static final int ACTION_SET_SELECTION = 131072; // 0x20000
+    field public static final int ACTION_SET_TEXT = 2097152; // 0x200000
     field public static final android.os.Parcelable.Creator CREATOR;
     field public static final int FOCUS_ACCESSIBILITY = 2; // 0x2
     field public static final int FOCUS_INPUT = 1; // 0x1
diff --git a/core/java/android/view/accessibility/AccessibilityNodeInfo.java b/core/java/android/view/accessibility/AccessibilityNodeInfo.java
index 4fdbc1e..560d0c9 100644
--- a/core/java/android/view/accessibility/AccessibilityNodeInfo.java
+++ b/core/java/android/view/accessibility/AccessibilityNodeInfo.java
@@ -282,6 +282,22 @@ public class AccessibilityNodeInfo implements Parcelable {
      */
     public static final int ACTION_DISMISS = 0x00100000;
 
+    /**
+     * Action that sets the text of the node. Performing the action without argument, using <code>
+     * null</code> or empty {@link CharSequence} will clear the text. This action will also put the
+     * cursor at the end of text.
+     * <p>
+     * <strong>Arguments:</strong> {@link #ACTION_ARGUMENT_SET_TEXT_CHARSEQUENCE}<br>
+     * <strong>Example:</strong>
+     * <code><pre><p>
+     *   Bundle arguments = new Bundle();
+     *   arguments.putCharSequence(AccessibilityNodeInfo.ACTION_ARGUMENT_SET_TEXT_CHARSEQUENCE,
+     *       "android");
+     *   info.performAction(AccessibilityNodeInfo.ACTION_SET_TEXT, arguments);
+     * </code></pre></p>
+     */
+    public static final int ACTION_SET_TEXT = 0x00200000;
+
     // Action arguments
 
     /**
@@ -351,6 +367,18 @@ public class AccessibilityNodeInfo implements Parcelable {
     public static final String ACTION_ARGUMENT_SELECTION_END_INT =
             "ACTION_ARGUMENT_SELECTION_END_INT";
 
+    /**
+     * Argument for specifying the text content to set
+     * <p>
+     * <strong>Type:</strong> CharSequence<br>
+     * <strong>Actions:</strong> {@link #ACTION_SET_TEXT}
+     * </p>
+     *
+     * @see #ACTION_SET_TEXT
+     */
+    public static final String ACTION_ARGUMENT_SET_TEXT_CHARSEQUENCE =
+            "ACTION_ARGUMENT_SET_TEXT_CHARSEQUENCE";
+
     // Focus types
 
     /**
diff --git a/core/java/android/widget/EditText.java b/core/java/android/widget/EditText.java
index 3a7cc87..a8ff562 100644
--- a/core/java/android/widget/EditText.java
+++ b/core/java/android/widget/EditText.java
@@ -17,6 +17,7 @@
 package android.widget;
 
 import android.content.Context;
+import android.os.Bundle;
 import android.text.Editable;
 import android.text.Selection;
 import android.text.Spannable;
@@ -132,4 +133,22 @@ public class EditText extends TextView {
         super.onInitializeAccessibilityNodeInfo(info);
         info.setClassName(EditText.class.getName());
     }
+
+    @Override
+    public boolean performAccessibilityAction(int action, Bundle arguments) {
+        switch (action) {
+            case AccessibilityNodeInfo.ACTION_SET_TEXT: {
+                CharSequence text = (arguments != null) ? arguments.getCharSequence(
+                        AccessibilityNodeInfo.ACTION_ARGUMENT_SET_TEXT_CHARSEQUENCE) : null;
+                setText(text);
+                if (text != null && text.length() > 0) {
+                    setSelection(text.length());
+                }
+                return true;
+            }
+            default: {
+                return super.performAccessibilityAction(action, arguments);
+            }
+        }
+    }
 }
diff --git a/services/accessibility/java/com/android/server/accessibility/AccessibilityManagerService.java b/services/accessibility/java/com/android/server/accessibility/AccessibilityManagerService.java
index 43e1f12..959d4a9 100644
--- a/services/accessibility/java/com/android/server/accessibility/AccessibilityManagerService.java
+++ b/services/accessibility/java/com/android/server/accessibility/AccessibilityManagerService.java
@@ -2722,7 +2722,8 @@ public class AccessibilityManagerService extends IAccessibilityManager.Stub {
             | AccessibilityNodeInfo.ACTION_SET_SELECTION
             | AccessibilityNodeInfo.ACTION_EXPAND
             | AccessibilityNodeInfo.ACTION_COLLAPSE
-            | AccessibilityNodeInfo.ACTION_DISMISS;
+            | AccessibilityNodeInfo.ACTION_DISMISS
+            | AccessibilityNodeInfo.ACTION_SET_TEXT;
 
         private static final int RETRIEVAL_ALLOWING_EVENT_TYPES =
             AccessibilityEvent.TYPE_VIEW_CLICKED