commit 1d1689e2d497e60d3aa6530946ef56bc44ceae2c
author Andrew Sapperstein <asapperstein@google.com> Wed May 14 15:03:40 2014 -0700
committer Andrew Sapperstein <asapperstein@google.com> Wed May 14 22:46:08 2014 +0000
tree b9cd22788672a42682e108d3d091eec4ff7529f2
parent f11483ad7d1e7abbce9d59ecf01b4b904a777b05

Add support for autocomplete suggestion analytics.

Change-Id: Ib61b376da1faffe330373ca1e19bda9dedb27e87
(cherry picked from commit 0f2b174c6d8a19fb8ffbd71f742e11d3a04add9b)

src/com/android/ex/chips/RecipientEditTextView.java

diff --git a/src/com/android/ex/chips/RecipientEditTextView.java b/src/com/android/ex/chips/RecipientEditTextView.java
index eb13671..791fa8a 100644
--- a/src/com/android/ex/chips/RecipientEditTextView.java
+++ b/src/com/android/ex/chips/RecipientEditTextView.java
@@ -278,6 +278,18 @@
 
     private DropdownChipLayouter mDropdownChipLayouter;
 
+    private RecipientEntryItemClickedListener mRecipientEntryItemClickedListener;
+
+    public interface RecipientEntryItemClickedListener {
+        /**
+         * Callback that occurs whenever an auto-complete suggestion is clicked.
+         * @param charactersTyped the number of characters typed by the user to provide the
+         *                        auto-complete suggestions.
+         * @param position the position in the dropdown list that the user clicked
+         */
+        void onRecipientEntryItemClicked(int charactersTyped, int position);
+    }
+
     public RecipientEditTextView(Context context, AttributeSet attrs) {
         super(context, attrs);
         setChipDimensions(context, attrs);
@@ -325,6 +337,10 @@
         mDropdownChipLayouter = dropdownChipLayouter;
     }
 
+    public void setRecipientEntryItemClickedListener(RecipientEntryItemClickedListener listener) {
+        mRecipientEntryItemClickedListener = listener;
+    }
+
     @Override
     protected void onDetachedFromWindow() {
         super.onDetachedFromWindow();
@@ -1765,13 +1781,18 @@
         if (position < 0) {
             return;
         }
-        submitItemAtPosition(position);
+
+        final int charactersTyped = submitItemAtPosition(position);
+        if (charactersTyped > -1 && mRecipientEntryItemClickedListener != null) {
+            mRecipientEntryItemClickedListener
+                    .onRecipientEntryItemClicked(charactersTyped, position);
+        }
     }
 
-    private void submitItemAtPosition(int position) {
+    private int submitItemAtPosition(int position) {
         RecipientEntry entry = createValidatedEntry(getAdapter().getItem(position));
         if (entry == null) {
-            return;
+            return -1;
         }
         clearComposingText();
 
@@ -1785,6 +1806,8 @@
             editable.replace(start, end, chip);
         }
         sanitizeBetween();
+
+        return end - start;
     }
 
     private RecipientEntry createValidatedEntry(RecipientEntry item) {