1
0
Fork 0
fenix/app/src/main/java/org/mozilla/fenix/exceptions/ExceptionDomains.kt

79 lines
2.2 KiB
Kotlin

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.fenix.exceptions
import android.content.Context
import android.content.SharedPreferences
/**
* Contains functionality to manage custom domains for allow-list.
*/
object ExceptionDomains {
private const val PREFERENCE_NAME = "exceptions"
private const val KEY_DOMAINS = "exceptions_domains"
private const val SEPARATOR = "@<;>@"
private var exceptions: List<String>? = null
/**
* Loads the previously added/saved custom domains from preferences.
*
* @param context the application context
* @return list of custom domains
*/
fun load(context: Context): List<String> {
if (exceptions == null) {
exceptions = (preferences(context)
.getString(KEY_DOMAINS, "") ?: "")
.split(SEPARATOR)
.filter { !it.isEmpty() }
}
return exceptions ?: listOf()
}
/**
* Saves the provided domains to preferences.
*
* @param context the application context
* @param domains list of domains
*/
fun save(context: Context, domains: List<String>) {
exceptions = domains
preferences(context)
.edit()
.putString(KEY_DOMAINS, domains.joinToString(separator = SEPARATOR))
.apply()
}
/**
* Adds the provided domain to preferences.
*
* @param context the application context
* @param domain the domain to add
*/
fun add(context: Context, domain: String) {
val domains = mutableListOf<String>()
domains.addAll(load(context))
domains.add(domain)
save(context, domains)
}
/**
* Removes the provided domain from preferences.
*
* @param context the application context
* @param domains the domain to remove
*/
fun remove(context: Context, domains: List<String>) {
save(context, load(context) - domains)
}
private fun preferences(context: Context): SharedPreferences =
context.getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE)
}