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package org.wordpress.android.widgets;
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Typeface;
import android.util.AttributeSet;
import android.widget.TextView;
import org.wordpress.android.R;
import java.util.Hashtable;
public class TypefaceCache {
/**
* Cache used for all views that support custom fonts - defaults to the system font, but
* Merriweather is also available via the "wpFontFamily" attribute
*/
public static final int FAMILY_DEFAULT = 0;
public static final int FAMILY_DEFAULT_LIGHT = 1;
public static final int FAMILY_MERRIWEATHER = 2;
private static final Hashtable<String, Typeface> mTypefaceCache = new Hashtable<>();
public static Typeface getTypeface(Context context) {
return getTypeface(context, FAMILY_DEFAULT, Typeface.NORMAL);
}
public static Typeface getTypeface(Context context, int family, int fontStyle) {
if (context == null) {
return null;
}
if (family == FAMILY_MERRIWEATHER) {
final String typefaceName;
switch (fontStyle) {
case Typeface.BOLD:
typefaceName = "Merriweather-Bold.ttf";
break;
case Typeface.ITALIC:
typefaceName = "Merriweather-Italic.ttf";
break;
case Typeface.BOLD_ITALIC:
typefaceName = "Merriweather-BoldItalic.ttf";
break;
default:
typefaceName = "Merriweather-Regular.ttf";
break;
}
return getTypefaceForTypefaceName(context, typefaceName);
}
// default system font
if (family == FAMILY_DEFAULT_LIGHT) {
return Typeface.create("sans-serif-light", fontStyle);
} else {
return Typeface.defaultFromStyle(fontStyle);
}
}
/*
* returns the desired typeface from the cache, loading it from app's assets if necessary
*/
protected static Typeface getTypefaceForTypefaceName(Context context, String typefaceName) {
if (!mTypefaceCache.containsKey(typefaceName)) {
Typeface typeface = Typeface.createFromAsset(context.getApplicationContext().getAssets(), "fonts/"
+ typefaceName);
if (typeface != null) {
mTypefaceCache.put(typefaceName, typeface);
}
}
return mTypefaceCache.get(typefaceName);
}
/*
* sets the typeface for a TextView (or TextView descendant such as EditText or Button) based on
* the passed attributes, defaults to normal
*/
protected static void setCustomTypeface(Context context, TextView view, AttributeSet attrs) {
if (context == null || view == null) return;
// skip at design-time
if (view.isInEditMode()) return;
// default if not set in attributes
int family = FAMILY_DEFAULT;
if (attrs != null) {
TypedArray a = context.getTheme().obtainStyledAttributes(attrs, R.styleable.WPTextView, 0, 0);
if (a != null) {
try {
family = a.getInteger(R.styleable.WPTextView_wpFontFamily, FAMILY_DEFAULT);
} finally {
a.recycle();
}
}
}
// nothing more to do if this is the default system font
if (family == FAMILY_DEFAULT) {
return;
}
// determine the font style from the existing typeface
final int fontStyle;
if (view.getTypeface() != null) {
boolean isBold = view.getTypeface().isBold();
boolean isItalic = view.getTypeface().isItalic();
if (isBold && isItalic) {
fontStyle = Typeface.BOLD_ITALIC;
} else if (isBold) {
fontStyle = Typeface.BOLD;
} else if (isItalic) {
fontStyle = Typeface.ITALIC;
} else {
fontStyle = Typeface.NORMAL;
}
} else {
fontStyle = Typeface.NORMAL;
}
Typeface typeface = getTypeface(context, family, fontStyle);
if (typeface != null) {
view.setTypeface(typeface);
}
}
}
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