@Override
protected void notifySizeChanged(float width, float height, int orientation) {
super.notifySizeChanged(width, height, orientation);
if (mReaderModePanel == null) return;
final boolean isToolbarVisible = getHeight() == getHeightMinusTopControls();
final float dpToPx = getContext().getResources().getDisplayMetrics().density;
mReaderModePanel.onSizeChanged(width, height, isToolbarVisible, dpToPx);
}
