font.kt

package com.siu.android.univelo.paris.ui.view.util

import android.content.res.AssetManager
import android.graphics.Typeface
import android.view.View
import java.util.*

/**
 * @author Lukasz Piliszczuk - lukasz.pili@gmail.com
 */

private val fonts = HashMap<String, Typeface>()
private const val FONT_AVENIR_LIGHT = "Avenir-Light.ttf"
private const val FONT_HELVETICA = "Helvetica.ttf"
private const val FONT_HELVETICA_LIGHT = "Helvetica-Light.ttf"
private const val FONT_HEITI_LIGHT = "STHeiti-TC-Light.ttf"
private const val FONT_HEITI_MEDIUM = "STHeiti-TC-Medium.ttf"

private fun load(assetManager: AssetManager, filePath: String): Typeface? {
    if (!fonts.containsKey(filePath)) {
        val typeface = Typeface.createFromAsset(assetManager, filePath)
        fonts.put(filePath, typeface)
        return typeface
    }

    return fonts[filePath]
}

fun View.font(name: String) = load(context.assets, "fonts/$name")

fun View.avenirLight() = font(FONT_AVENIR_LIGHT)
fun View.helvetica() = font(FONT_HELVETICA)
fun View.helveticaLight() = font(FONT_HELVETICA_LIGHT)
fun View.heitiLight() = font(FONT_HEITI_LIGHT)
fun View.heitiMedium() = font(FONT_HEITI_MEDIUM)