From efbe44040c389434844c21b8f711d674a5bf7d30 Mon Sep 17 00:00:00 2001
From: Aleksandar Apostolov <apostolov.alexandar@gmail.com>
Date: Thu, 5 Sep 2024 10:54:34 +0200
Subject: [PATCH] Add audio only `CallService` to avoid requiring `CAMERA`
 permission (#1171)

* Add audio only livestream call service.

* Apidump
---
 .../api/stream-video-android-core.api         |  1 +
 .../src/main/AndroidManifest.xml              |  5 +++++
 .../internal/service/CallServiceConfig.kt     | 13 ++++++++++++
 .../internal/service/LivestreamCallService.kt |  8 ++++++++
 .../internal/service/CallServiceConfigTest.kt | 20 +++++++++++++++++++
 5 files changed, 47 insertions(+)

diff --git a/stream-video-android-core/api/stream-video-android-core.api b/stream-video-android-core/api/stream-video-android-core.api
index 1d6bde92f1..aeb44a3dc6 100644
--- a/stream-video-android-core/api/stream-video-android-core.api
+++ b/stream-video-android-core/api/stream-video-android-core.api
@@ -4238,6 +4238,7 @@ public final class io/getstream/video/android/core/notifications/internal/servic
 
 public final class io/getstream/video/android/core/notifications/internal/service/CallServiceConfigKt {
 	public static final fun callServiceConfig ()Lio/getstream/video/android/core/notifications/internal/service/CallServiceConfig;
+	public static final fun livestreamAudioCallServiceConfig ()Lio/getstream/video/android/core/notifications/internal/service/CallServiceConfig;
 	public static final fun livestreamCallServiceConfig ()Lio/getstream/video/android/core/notifications/internal/service/CallServiceConfig;
 	public static final fun livestreamGuestCallServiceConfig ()Lio/getstream/video/android/core/notifications/internal/service/CallServiceConfig;
 }
diff --git a/stream-video-android-core/src/main/AndroidManifest.xml b/stream-video-android-core/src/main/AndroidManifest.xml
index 701e3aadb5..7360e764c4 100644
--- a/stream-video-android-core/src/main/AndroidManifest.xml
+++ b/stream-video-android-core/src/main/AndroidManifest.xml
@@ -103,6 +103,11 @@
             android:foregroundServiceType="camera|microphone"
             android:exported="false" />
 
+        <service
+            android:name=".notifications.internal.service.LivestreamAudioCallService"
+            android:foregroundServiceType="microphone"
+            android:exported="false" />
+
         <service
             android:name=".notifications.internal.service.LivestreamViewerService"
             android:foregroundServiceType="mediaPlayback"
diff --git a/stream-video-android-core/src/main/kotlin/io/getstream/video/android/core/notifications/internal/service/CallServiceConfig.kt b/stream-video-android-core/src/main/kotlin/io/getstream/video/android/core/notifications/internal/service/CallServiceConfig.kt
index cc7899c635..0226507d86 100644
--- a/stream-video-android-core/src/main/kotlin/io/getstream/video/android/core/notifications/internal/service/CallServiceConfig.kt
+++ b/stream-video-android-core/src/main/kotlin/io/getstream/video/android/core/notifications/internal/service/CallServiceConfig.kt
@@ -62,6 +62,19 @@ public fun livestreamCallServiceConfig(): CallServiceConfig {
     )
 }
 
+/**
+ * Return a default configuration for the call service configuration for livestream which has no camera
+ */
+public fun livestreamAudioCallServiceConfig(): CallServiceConfig {
+    return CallServiceConfig(
+        runCallServiceInForeground = true,
+        callServicePerType = mapOf(
+            Pair(ANY_MARKER, CallService::class.java),
+            Pair("livestream", LivestreamAudioCallService::class.java),
+        ),
+    )
+}
+
 /**
  * Return a default configuration for the call service configuration.
  */
diff --git a/stream-video-android-core/src/main/kotlin/io/getstream/video/android/core/notifications/internal/service/LivestreamCallService.kt b/stream-video-android-core/src/main/kotlin/io/getstream/video/android/core/notifications/internal/service/LivestreamCallService.kt
index 608bf5bdcc..b59b211479 100644
--- a/stream-video-android-core/src/main/kotlin/io/getstream/video/android/core/notifications/internal/service/LivestreamCallService.kt
+++ b/stream-video-android-core/src/main/kotlin/io/getstream/video/android/core/notifications/internal/service/LivestreamCallService.kt
@@ -28,6 +28,14 @@ internal open class LivestreamCallService : CallService() {
     override val serviceType = ServiceInfo.FOREGROUND_SERVICE_TYPE_CAMERA or ServiceInfo.FOREGROUND_SERVICE_TYPE_MICROPHONE
 }
 
+/**
+ * Due to the nature of the livestream calls, the service that is used is of different type.
+ */
+internal open class LivestreamAudioCallService : CallService() {
+    override val logger: TaggedLogger by taggedLogger("LivestreamHostCallService")
+    override val serviceType = ServiceInfo.FOREGROUND_SERVICE_TYPE_MICROPHONE
+}
+
 /**
  * Due to the nature of the livestream calls, the service that is used is of different type.
  */
diff --git a/stream-video-android-core/src/test/kotlin/io/getstream/video/android/core/notifications/internal/service/CallServiceConfigTest.kt b/stream-video-android-core/src/test/kotlin/io/getstream/video/android/core/notifications/internal/service/CallServiceConfigTest.kt
index 6962fd80fa..7331131f8e 100644
--- a/stream-video-android-core/src/test/kotlin/io/getstream/video/android/core/notifications/internal/service/CallServiceConfigTest.kt
+++ b/stream-video-android-core/src/test/kotlin/io/getstream/video/android/core/notifications/internal/service/CallServiceConfigTest.kt
@@ -124,4 +124,24 @@ class CallServiceConfigTest {
         assertEquals(LivestreamViewerService::class.java, livestreamServiceClass)
         assertEquals(AudioAttributes.USAGE_MEDIA, audioUsage)
     }
+
+    @Test
+    fun `livestreamAudioCallServiceConfig should return correct default configuration`() {
+        // Given
+        val config = livestreamAudioCallServiceConfig()
+
+        // When
+        val runInForeground = config.runCallServiceInForeground
+        val servicePerTypeSize = config.callServicePerType.size
+        val hostServiceClass = config.callServicePerType[ANY_MARKER]
+        val livestreamServiceClass = config.callServicePerType["livestream"]
+        val audioUsage = config.audioUsage
+
+        // Then
+        assertEquals(true, runInForeground)
+        assertEquals(2, servicePerTypeSize)
+        assertEquals(CallService::class.java, hostServiceClass)
+        assertEquals(LivestreamAudioCallService::class.java, livestreamServiceClass)
+        assertEquals(AudioAttributes.USAGE_VOICE_COMMUNICATION, audioUsage)
+    }
 }