Show "Touch again to save" in system locale

Bug: 12811156
Change-Id: I928daf17297ec5c526720850d6203cb9af0496ac

java/res/layout/suggestions_strip.xml

@@ -42,6 +42,7 @@
             android:id="@+id/hint_add_to_dictionary"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
+            android:textAlignment="viewStart"
             style="?attr/suggestionWordStyle" />
     </LinearLayout>
 </merge>

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

@@ -1498,8 +1498,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         }
         if (showingAddToDictionaryHint
                 && suggest.mDictionaryFacilitator.isUserDictionaryEnabled()) {
-            mSuggestionStripView.showAddToDictionaryHint(
-                    suggestion, currentSettings.mHintToSaveText);
+            mSuggestionStripView.showAddToDictionaryHint(suggestion);
         } else {
             // If we're not showing the "Touch again to save", then update the suggestion strip.
             mHandler.postUpdateSuggestionStrip();

java/src/com/android/inputmethod/latin/settings/SettingsValues.java

@@ -49,7 +49,6 @@ public final class SettingsValues {
     // From resources:
     public final SpacingAndPunctuations mSpacingAndPunctuations;
     public final int mDelayUpdateOldSuggestions;
-    public final CharSequence mHintToSaveText;
 
     // From preferences, in the same order as xml/prefs.xml:
     public final boolean mAutoCap;
@@ -101,7 +100,6 @@ public final class SettingsValues {
         // Get the resources
         mDelayUpdateOldSuggestions = res.getInteger(R.integer.config_delay_update_old_suggestions);
         mSpacingAndPunctuations = new SpacingAndPunctuations(res);
-        mHintToSaveText = res.getText(R.string.hint_add_to_dictionary);
 
         // Store the input attributes
         if (null == inputAttributes) {

java/src/com/android/inputmethod/latin/suggestions/SuggestionStripLayoutHelper.java

@@ -50,6 +50,7 @@ import com.android.inputmethod.latin.R;
 import com.android.inputmethod.latin.SuggestedWords;
 import com.android.inputmethod.latin.utils.AutoCorrectionUtils;
 import com.android.inputmethod.latin.utils.ResourceUtils;
+import com.android.inputmethod.latin.utils.SubtypeLocaleUtils;
 import com.android.inputmethod.latin.utils.ViewLayoutUtils;
 
 import java.util.ArrayList;
@@ -459,7 +460,7 @@ final class SuggestionStripLayoutHelper {
     }
 
     public void layoutAddToDictionaryHint(final String word, final ViewGroup addToDictionaryStrip,
-            final int stripWidth, final CharSequence hintText) {
+            final int stripWidth) {
         final int width = stripWidth - mDividerWidth - mPadding * 2;
 
         final TextView wordView = (TextView)addToDictionaryStrip.findViewById(R.id.word_to_save);
@@ -473,13 +474,17 @@ final class SuggestionStripLayoutHelper {
 
         final TextView hintView = (TextView)addToDictionaryStrip.findViewById(
                 R.id.hint_add_to_dictionary);
-        hintView.setGravity(Gravity.LEFT | Gravity.CENTER_VERTICAL | GravityCompat.START);
         hintView.setTextColor(mColorAutoCorrect);
         final boolean isRtlLanguage = (ViewCompat.getLayoutDirection(addToDictionaryStrip)
                 == ViewCompat.LAYOUT_DIRECTION_RTL);
-        final String hintWithArrow = (isRtlLanguage ? RIGHTWARDS_ARROW : LEFTWARDS_ARROW)
-                + hintText;
+        final String arrow = isRtlLanguage ? RIGHTWARDS_ARROW : LEFTWARDS_ARROW;
+        final Resources res = addToDictionaryStrip.getResources();
+        final boolean isRtlSystem = SubtypeLocaleUtils.isRtlLanguage(res.getConfiguration().locale);
+        final CharSequence hintText = res.getText(R.string.hint_add_to_dictionary);
+        final String hintWithArrow = (isRtlLanguage == isRtlSystem)
+                ? (arrow + hintText) : (hintText + arrow);
         final int hintWidth = width - wordWidth;
+        hintView.setTextScaleX(1.0f); // Reset textScaleX.
         final float hintScaleX = getTextScaleX(hintWithArrow, hintWidth, hintView.getPaint());
         hintView.setText(hintWithArrow);
         hintView.setTextScaleX(hintScaleX);

java/src/com/android/inputmethod/latin/suggestions/SuggestionStripView.java

@@ -186,8 +186,8 @@ public final class SuggestionStripView extends RelativeLayout implements OnClick
         return mStripVisibilityGroup.isShowingAddToDictionaryStrip();
     }
 
-    public void showAddToDictionaryHint(final String word, final CharSequence hintText) {
-        mLayoutHelper.layoutAddToDictionaryHint(word, mAddToDictionaryStrip, getWidth(), hintText);
+    public void showAddToDictionaryHint(final String word) {
+        mLayoutHelper.layoutAddToDictionaryHint(word, mAddToDictionaryStrip, getWidth());
         // {@link TextView#setTag()} is used to hold the word to be added to dictionary. The word
         // will be extracted at {@link #onClick(View)}.
         mAddToDictionaryStrip.setTag(word);

java/src/com/android/inputmethod/latin/utils/SubtypeLocaleUtils.java

@@ -347,9 +347,12 @@ public final class SubtypeLocaleUtils {
         Arrays.sort(SORTED_RTL_LANGUAGES);
     }
 
-    public static boolean isRtlLanguage(final InputMethodSubtype subtype) {
-        final Locale locale = getSubtypeLocale(subtype);
+    public static boolean isRtlLanguage(final Locale locale) {
         final String language = locale.getLanguage();
         return Arrays.binarySearch(SORTED_RTL_LANGUAGES, language) >= 0;
     }
+
+    public static boolean isRtlLanguage(final InputMethodSubtype subtype) {
+        return isRtlLanguage(getSubtypeLocale(subtype));
+    }
 }