Create `SplitTunnelling` helper class

1 files changed, 33 insertions, 0 deletions

diff --git a/android/src/main/kotlin/net/mullvad/mullvadvpn/service/SplitTunnelling.kt b/android/src/main/kotlin/net/mullvad/mullvadvpn/service/SplitTunnelling.kt
new file mode 100644
index 0000000000..0722c2fc56
--- /dev/null
+++ b/android/src/main/kotlin/net/mullvad/mullvadvpn/service/SplitTunnelling.kt
@@ -0,0 +1,33 @@
+package net.mullvad.mullvadvpn.service
+
+import kotlin.properties.Delegates.observable
+
+class SplitTunnelling {
+    private val excludedApps = HashSet<String>()
+
+    val excludedAppList
+        get() = if (enabled) {
+            excludedApps.toList()
+        } else {
+            emptyList()
+        }
+
+    var enabled by observable(false) { _, _, _ -> update() }
+    var onChange: ((List<String>) -> Unit)? = null
+
+    fun isAppExcluded(appPackageName: String) = excludedApps.contains(appPackageName)
+
+    fun excludeApp(appPackageName: String) {
+        excludedApps.add(appPackageName)
+        update()
+    }
+
+    fun includeApp(appPackageName: String) {
+        excludedApps.remove(appPackageName)
+        update()
+    }
+
+    private fun update() {
+        onChange?.invoke(excludedAppList)
+    }
+}