From 780c491fb9905adb3782f34886bb23327ed8f456 Mon Sep 17 00:00:00 2001
From: Adam Powell <adamp@google.com>
Date: Thu, 30 Aug 2012 17:30:05 -0700
Subject: [PATCH] Add an OnDismissListener to AutoCompleteTextView

Bug 4551310

Change-Id: I702301ad3360828ec6637b6c09789e00d9661271
---
 api/current.txt                               |  5 +++
 .../android/widget/AutoCompleteTextView.java  | 31 +++++++++++++++++++
 2 files changed, 36 insertions(+)

diff --git a/api/current.txt b/api/current.txt
index 9e284511fb1a9..9a7d91249c4f8 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -27675,6 +27675,7 @@ package android.widget {
     method public void setDropDownVerticalOffset(int);
     method public void setDropDownWidth(int);
     method public void setListSelection(int);
+    method public void setOnDismissListener(android.widget.AutoCompleteTextView.OnDismissListener);
     method public void setOnItemClickListener(android.widget.AdapterView.OnItemClickListener);
     method public void setOnItemSelectedListener(android.widget.AdapterView.OnItemSelectedListener);
     method public void setText(java.lang.CharSequence, boolean);
@@ -27683,6 +27684,10 @@ package android.widget {
     method public void showDropDown();
   }
 
+  public static abstract interface AutoCompleteTextView.OnDismissListener {
+    method public abstract void onDismiss();
+  }
+
   public static abstract interface AutoCompleteTextView.Validator {
     method public abstract java.lang.CharSequence fixText(java.lang.CharSequence);
     method public abstract boolean isValid(java.lang.CharSequence);
diff --git a/core/java/android/widget/AutoCompleteTextView.java b/core/java/android/widget/AutoCompleteTextView.java
index 41e8452bd6c1c..e4d49818cc3c9 100644
--- a/core/java/android/widget/AutoCompleteTextView.java
+++ b/core/java/android/widget/AutoCompleteTextView.java
@@ -16,6 +16,7 @@
 
 package android.widget;
 
+import android.app.SearchManager.OnDismissListener;
 import android.content.Context;
 import android.content.res.TypedArray;
 import android.database.DataSetObserver;
@@ -578,6 +579,23 @@ public class AutoCompleteTextView extends EditText implements Filter.FilterListe
         return mItemSelectedListener;
     }
 
+    /**
+     * Set a listener that will be invoked whenever the AutoCompleteTextView's
+     * list of completions is dismissed.
+     * @param dismissListener Listener to invoke when completions are dismissed
+     */
+    public void setOnDismissListener(final OnDismissListener dismissListener) {
+        PopupWindow.OnDismissListener wrappedListener = null;
+        if (dismissListener != null) {
+            wrappedListener = new PopupWindow.OnDismissListener() {
+                @Override public void onDismiss() {
+                    dismissListener.onDismiss();
+                }
+            };
+        }
+        mPopup.setOnDismissListener(wrappedListener);
+    }
+
     /**
      * <p>Returns a filterable list adapter used for auto completion.</p>
      *
@@ -1206,6 +1224,19 @@ public class AutoCompleteTextView extends EditText implements Filter.FilterListe
         CharSequence fixText(CharSequence invalidText);
     }
     
+    /**
+     * Listener to respond to the AutoCompleteTextView's completion list being dismissed.
+     * @see AutoCompleteTextView#setOnDismissListener(OnDismissListener)
+     */
+    public interface OnDismissListener {
+        /**
+         * This method will be invoked whenever the AutoCompleteTextView's list
+         * of completion options has been dismissed and is no longer available
+         * for user interaction.
+         */
+        void onDismiss();
+    }
+
     /**
      * Allows us a private hook into the on click event without preventing users from setting
      * their own click listener.