Add StatsUtils.onPickSuggestionManually and SuggestedWords.indexOf.

Change-Id: I1588448154d086569cb026825fdc36cd1812a582

java-overridable/src/com/android/inputmethod/latin/utils/StatsUtils.java

@@ -17,6 +17,7 @@
 package com.android.inputmethod.latin.utils;
 
 import com.android.inputmethod.latin.RichInputMethodManager;
+import com.android.inputmethod.latin.SuggestedWords;
 import com.android.inputmethod.latin.settings.SettingsValues;
 
 public final class StatsUtils {
@@ -24,4 +25,9 @@ public final class StatsUtils {
     public static void onCreate(final SettingsValues settingsValues,
             RichInputMethodManager richImm) {
     }
+
+    public static void onPickSuggestionManually(final SuggestedWords suggestedWords,
+            final SuggestedWords.SuggestedWordInfo suggestionInfo) {
+
+    }
 }

java/src/com/android/inputmethod/latin/SuggestedWords.java

@@ -142,6 +142,15 @@ public class SuggestedWords {
         return mSuggestedWordInfoList.get(index);
     }
 
+    /**
+     * Gets the suggestion index from the suggestions list.
+     * @param suggestedWordInfo The {@link SuggestedWordInfo} to find the index.
+     * @return The position of the suggestion in the suggestion list.
+     */
+    public int indexOf(SuggestedWordInfo suggestedWordInfo) {
+        return mSuggestedWordInfoList.indexOf(suggestedWordInfo);
+    }
+
     public String getDebugString(final int pos) {
         if (!DebugFlags.DEBUG_ENABLED) {
             return null;

java/src/com/android/inputmethod/latin/inputlogic/InputLogic.java

@@ -60,6 +60,7 @@ import com.android.inputmethod.latin.suggestions.SuggestionStripViewAccessor;
 import com.android.inputmethod.latin.utils.AsyncResultHolder;
 import com.android.inputmethod.latin.utils.InputTypeUtils;
 import com.android.inputmethod.latin.utils.RecapitalizeStatus;
+import com.android.inputmethod.latin.utils.StatsUtils;
 import com.android.inputmethod.latin.utils.StringUtils;
 import com.android.inputmethod.latin.utils.TextRange;
 
@@ -361,6 +362,8 @@ public final class InputLogic {
         if (shouldShowAddToDictionaryIndicator) {
             mTextDecorator.showAddToDictionaryIndicator(suggestionInfo);
         }
+
+        StatsUtils.onPickSuggestionManually(mSuggestedWords, suggestionInfo);
         return inputTransaction;
     }