Align workspace and hotseat icons in landscape

Fix: 311381639
Test: Verified on device
Flag: NONE
Change-Id: I4e2c74f59e8492042c3c7f8eccc98921d92d685f

src/com/android/launcher3/folder/FolderIcon.java

@@ -29,6 +29,7 @@ import android.animation.AnimatorListenerAdapter;
 import android.animation.ObjectAnimator;
 import android.content.Context;
 import android.graphics.Canvas;
+import android.graphics.Paint;
 import android.graphics.Rect;
 import android.graphics.drawable.Drawable;
 import android.util.AttributeSet;
@@ -633,6 +634,20 @@ public class FolderIcon extends FrameLayout implements FolderListener, IconLabel
         }
     }
 
+    @Override
+    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+        boolean shouldCenterIcon = mActivity.getDeviceProfile().iconCenterVertically;
+        if (shouldCenterIcon) {
+            int iconSize = mActivity.getDeviceProfile().iconSizePx;
+            Paint.FontMetrics fm = mFolderName.getPaint().getFontMetrics();
+            int cellHeightPx = iconSize + mFolderName.getCompoundDrawablePadding()
+                    + (int) Math.ceil(fm.bottom - fm.top);
+            setPadding(getPaddingLeft(), (MeasureSpec.getSize(heightMeasureSpec)
+                    - cellHeightPx) / 2, getPaddingRight(), getPaddingBottom());
+        }
+        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
+    }
+
     /** Sets the visibility of the icon's title text */
     public void setTextVisible(boolean visible) {
         if (visible) {