Draw more suggestions hint using text font

Bug: 5287964
Change-Id: I692b5303268c7b5115853177c956e147312c582d

java/res/values-sw600dp/dimens.xml

@@ -76,4 +76,5 @@
     <dimen name="suggestion_min_width">0.3in</dimen>
     <dimen name="suggestion_padding">12dip</dimen>
     <dimen name="suggestion_text_size">22dip</dimen>
+    <dimen name="more_suggestions_hint_text_size">33dip</dimen>
 </resources>

java/res/values-sw768dp/dimens.xml

@@ -79,4 +79,5 @@
     <dimen name="suggestion_min_width">46dip</dimen>
     <dimen name="suggestion_padding">8dip</dimen>
     <dimen name="suggestion_text_size">22dip</dimen>
+    <dimen name="more_suggestions_hint_text_size">33dip</dimen>
 </resources>

java/res/values/attrs.xml

@@ -132,7 +132,6 @@
         <attr name="alphaObsoleted" format="integer" />
         <attr name="suggestionsCountInStrip" format="integer" />
         <attr name="centerSuggestionPercentile" format="integer" />
-        <attr name="moreSuggestionsHint" format="reference" />
         <attr name="maxMoreSuggestionsRow" format="integer" />
         <attr name="minMoreSuggestionsWidth" format="float" />
     </declare-styleable>

java/res/values/dimens.xml

@@ -92,6 +92,7 @@
     <dimen name="suggestion_min_width">44dip</dimen>
     <dimen name="suggestion_padding">6dip</dimen>
     <dimen name="suggestion_text_size">18dip</dimen>
+    <dimen name="more_suggestions_hint_text_size">27dip</dimen>
     <integer name="suggestions_count_in_strip">3</integer>
     <integer name="center_suggestion_percentile">36</integer>
 

java/res/values/styles.xml

@@ -102,7 +102,6 @@
         <item name="alphaObsoleted">50</item>
         <item name="suggestionsCountInStrip">@integer/suggestions_count_in_strip</item>
         <item name="centerSuggestionPercentile">@integer/center_suggestion_percentile</item>
-        <item name="moreSuggestionsHint">@drawable/more_suggestions_hint</item>
         <item name="maxMoreSuggestionsRow">@integer/max_more_suggestions_row</item>
         <item name="minMoreSuggestionsWidth">@fraction/min_more_suggestions_width</item>
     </style>
@@ -284,7 +283,6 @@
         <item name="alphaObsoleted">70</item>
         <item name="suggestionsCountInStrip">@integer/suggestions_count_in_strip</item>
         <item name="centerSuggestionPercentile">@integer/center_suggestion_percentile</item>
-        <item name="moreSuggestionsHint">@drawable/more_suggestions_hint_holo</item>
         <item name="maxMoreSuggestionsRow">@integer/max_more_suggestions_row</item>
         <item name="minMoreSuggestionsWidth">@fraction/min_more_suggestions_width</item>
     </style>

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

@@ -19,8 +19,14 @@ package com.android.inputmethod.latin;
 import android.content.Context;
 import android.content.res.Resources;
 import android.content.res.TypedArray;
+import android.graphics.Bitmap;
+import android.graphics.Canvas;
 import android.graphics.Color;
+import android.graphics.Paint;
+import android.graphics.Paint.Align;
+import android.graphics.Rect;
 import android.graphics.Typeface;
+import android.graphics.drawable.BitmapDrawable;
 import android.graphics.drawable.Drawable;
 import android.os.Message;
 import android.os.SystemClock;
@@ -167,6 +173,7 @@ public class SuggestionsView extends RelativeLayout implements OnClickListener,
         private final float mCenterSuggestionWeight;
         private final int mCenterSuggestionIndex;
         private final Drawable mMoreSuggestionsHint;
+        private static final String MORE_SUGGESTIONS_HINT = "\u2026";
 
         private static final CharacterStyle BOLD_SPAN = new StyleSpan(Typeface.BOLD);
         private static final CharacterStyle UNDERLINE_SPAN = new UnderlineSpan();
@@ -225,7 +232,6 @@ public class SuggestionsView extends RelativeLayout implements OnClickListener,
             mCenterSuggestionWeight = getPercent(a,
                     R.styleable.SuggestionsView_centerSuggestionPercentile,
                     DEFAULT_CENTER_SUGGESTION_PERCENTILE);
-            mMoreSuggestionsHint = a.getDrawable(R.styleable.SuggestionsView_moreSuggestionsHint);
             mMaxMoreSuggestionsRow = a.getInt(
                     R.styleable.SuggestionsView_maxMoreSuggestionsRow,
                     DEFAULT_MAX_MORE_SUGGESTIONS_ROW);
@@ -233,6 +239,8 @@ public class SuggestionsView extends RelativeLayout implements OnClickListener,
                     R.styleable.SuggestionsView_minMoreSuggestionsWidth);
             a.recycle();
 
+            mMoreSuggestionsHint = getMoreSuggestionsHint(res,
+                    res.getDimension(R.dimen.more_suggestions_hint_text_size), mColorAutoCorrect);
             mCenterSuggestionIndex = mSuggestionsCountInStrip / 2;
             mMoreSuggestionsBottomGap = res.getDimensionPixelOffset(
                     R.dimen.more_suggestions_bottom_gap);
@@ -246,6 +254,23 @@ public class SuggestionsView extends RelativeLayout implements OnClickListener,
             mHintToSaveText = context.getText(R.string.hint_add_to_dictionary);
         }
 
+        private static Drawable getMoreSuggestionsHint(Resources res, float textSize, int color) {
+            final Paint paint = new Paint();
+            paint.setAntiAlias(true);
+            paint.setTextAlign(Align.CENTER);
+            paint.setTextSize(textSize);
+            paint.setColor(color);
+            final Rect bounds = new Rect();
+            paint.getTextBounds(MORE_SUGGESTIONS_HINT, 0, 1, bounds);
+            final int width = Math.round(bounds.width() + 0.5f);
+            final int height = Math.round(bounds.height() + 0.5f);
+            final Bitmap buffer = Bitmap.createBitmap(
+                    width, (height * 3 / 2), Bitmap.Config.ARGB_8888);
+            final Canvas canvas = new Canvas(buffer);
+            canvas.drawText(MORE_SUGGESTIONS_HINT, width / 2, height, paint);
+            return new BitmapDrawable(res, buffer);
+        }
+
         // Read integer value in TypedArray as percent.
         private static float getPercent(TypedArray a, int index, int defValue) {
             return a.getInt(index, defValue) / 100.0f;