Improve TV connect screen UI

- Implements the navigation rail design for Android TV
- Implements the TV notification banner design
- Adds two new Gradle modules:
  * tv: contains the Android TV specific Compose components (e.g. the
     NavigationDrawerTV component)
  * ui/compose: contains Compose-specific code that is needed by
    both the app module and the tv module.

2 files changed, 47 insertions, 0 deletions

diff --git a/android/lib/model/src/main/kotlin/net/mullvad/mullvadvpn/lib/model/InAppNotification.kt b/android/lib/model/src/main/kotlin/net/mullvad/mullvadvpn/lib/model/InAppNotification.kt
new file mode 100644
index 0000000000..fdaa5f3c9d
--- /dev/null
+++ b/android/lib/model/src/main/kotlin/net/mullvad/mullvadvpn/lib/model/InAppNotification.kt
@@ -0,0 +1,44 @@
+package net.mullvad.mullvadvpn.lib.model
+
+import java.time.Duration
+
+enum class StatusLevel {
+    Error,
+    Warning,
+    Info,
+}
+
+sealed class InAppNotification {
+    abstract val statusLevel: StatusLevel
+    abstract val priority: Long
+
+    data class TunnelStateError(val error: ErrorState) : InAppNotification() {
+        override val statusLevel = StatusLevel.Error
+        override val priority: Long = 1001
+    }
+
+    data object TunnelStateBlocked : InAppNotification() {
+        override val statusLevel = StatusLevel.Error
+        override val priority: Long = 1000
+    }
+
+    data class UnsupportedVersion(val versionInfo: VersionInfo) : InAppNotification() {
+        override val statusLevel = StatusLevel.Error
+        override val priority: Long = 999
+    }
+
+    data class AccountExpiry(val expiry: Duration) : InAppNotification() {
+        override val statusLevel = StatusLevel.Warning
+        override val priority: Long = 1001
+    }
+
+    data class NewDevice(val deviceName: String) : InAppNotification() {
+        override val statusLevel = StatusLevel.Info
+        override val priority: Long = 1001
+    }
+
+    data object NewVersionChangelog : InAppNotification() {
+        override val statusLevel = StatusLevel.Info
+        override val priority: Long = 1001
+    }
+}
diff --git a/android/lib/model/src/main/kotlin/net/mullvad/mullvadvpn/lib/model/VersionInfo.kt b/android/lib/model/src/main/kotlin/net/mullvad/mullvadvpn/lib/model/VersionInfo.kt
new file mode 100644
index 0000000000..1a225d482f
--- /dev/null
+++ b/android/lib/model/src/main/kotlin/net/mullvad/mullvadvpn/lib/model/VersionInfo.kt
@@ -0,0 +1,3 @@
+package net.mullvad.mullvadvpn.lib.model
+
+data class VersionInfo(val currentVersion: String, val isSupported: Boolean)