Flags.kt
/*
Copyright 2018 Hermann Krumrey <hermann@krumreyh.com>
This file is part of fussballtipp-android.
fussballtipp-android is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
fussballtipp-android is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with fussballtipp-android. If not, see <http://www.gnu.org/licenses/>.
*/
package net.namibsun.fussballtipp.android.global
import android.graphics.Bitmap
import android.graphics.BitmapFactory
import net.namibsun.fussballtipp.lib.objects.Team
import java.net.URL
/**
* Singleton that keeps track of flags
*/
object Flags {
/**
* Map that keeps track of the downloaded flag bitaps
*/
private val flags = mutableMapOf<String, Bitmap>()
/**
* Retrieves a flag bitmap either from memory or by downloading it
* @param team: The team for which to download the flag
* @return The flag bitmap
*/
fun getFlag(team: Team): Bitmap {
while (team.name !in flags) {
this.downloadFlag(team)
}
return this.flags[team.name]!!
}
/**
* Downloads a flag bitmap from an URL and stores it in the map
* @param team: The team for which to download the flag for
*/
private fun downloadFlag(team: Team) {
val url = URL(team.flagUrl)
val bitmap = BitmapFactory.decodeStream(url.openConnection().getInputStream())
this.flags[team.name] = bitmap
}
}