Stop using LocalBroadcastManager

mobile/src/main/java/be/mygod/vpnhotspot/util/Events.kt

@@ -0,0 +1,34 @@
+package be.mygod.vpnhotspot.util
+
+import java.util.concurrent.ConcurrentHashMap
+
+/**
+ * These class are based off https://github.com/1blustone/kotlin-events.
+ */
+open class Event0 : ConcurrentHashMap<Any, () -> Unit>() {
+    operator fun invoke() {
+        for ((_, handler) in this) handler()
+    }
+}
+
+class StickyEvent0 : Event0() {
+    override fun put(key: Any, value: () -> Unit): (() -> Unit)? {
+        val result = super.put(key, value)
+        if (result == null) value()
+        return result
+    }
+}
+
+open class Event1<T> : ConcurrentHashMap<Any, (T) -> Unit>() {
+    operator fun invoke(arg: T) {
+        for ((_, handler) in this) handler(arg)
+    }
+}
+
+class StickyEvent1<T>(private val fire: () -> T) : Event1<T>() {
+    override fun put(key: Any, value: (T) -> Unit): ((T) -> Unit)? {
+        val result = super.put(key, value)
+        if (result == null) value(fire())
+        return result
+    }
+}