From 6c0c6bd6f85ec8f1f66253b7cfe7079063765b45 Mon Sep 17 00:00:00 2001
From: MM20 <15646950+MM2-0@users.noreply.github.com>
Date: Sat, 18 Dec 2021 22:30:59 +0100
Subject: [PATCH] Add BroadcastReceiverLiveData class

This is a suprise tool that will help us later
---
 .../lifecycle/BroadcastReceiverLiveData.kt    | 33 +++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 base/src/main/java/de/mm20/launcher2/lifecycle/BroadcastReceiverLiveData.kt

diff --git a/base/src/main/java/de/mm20/launcher2/lifecycle/BroadcastReceiverLiveData.kt b/base/src/main/java/de/mm20/launcher2/lifecycle/BroadcastReceiverLiveData.kt
new file mode 100644
index 00000000..fd4f753a
--- /dev/null
+++ b/base/src/main/java/de/mm20/launcher2/lifecycle/BroadcastReceiverLiveData.kt
@@ -0,0 +1,33 @@
+package de.mm20.launcher2.lifecycle
+
+import android.content.BroadcastReceiver
+import android.content.Context
+import android.content.Intent
+import android.content.IntentFilter
+import androidx.lifecycle.LiveData
+
+class BroadcastReceiverLiveData<T>(
+    context: Context,
+    private val intentFilter: IntentFilter,
+    private val transformFunction: (Context, Intent) -> T
+): LiveData<T>() {
+
+    private val context = context.applicationContext
+    private val receiver = object: BroadcastReceiver() {
+        override fun onReceive(context: Context, intent: Intent) {
+            val newValue = transformFunction(context, intent)
+            postValue(newValue)
+        }
+
+    }
+
+    override fun onActive() {
+        super.onActive()
+        context.registerReceiver(receiver, intentFilter)
+    }
+
+    override fun onInactive() {
+        super.onInactive()
+        context.unregisterReceiver(receiver)
+    }
+}
\ No newline at end of file