From 9538b905fb698f43c726ac7bd1972d443692e8dc Mon Sep 17 00:00:00 2001
From: skydoves <skydoves@naver.com>
Date: Thu, 23 Feb 2023 15:28:42 +0900
Subject: [PATCH] Implement enableCamera feature

---
 .../sample/compose/ui/screens/video/VideoCallScreen.kt    | 6 ++++--
 .../compose/webrtc/sessions/WebRtcSessionManager.kt       | 2 ++
 .../compose/webrtc/sessions/WebRtcSessionManagerImpl.kt   | 8 ++++++++
 3 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/webrtc-android/app/src/main/kotlin/io/getstream/webrtc/sample/compose/ui/screens/video/VideoCallScreen.kt b/webrtc-android/app/src/main/kotlin/io/getstream/webrtc/sample/compose/ui/screens/video/VideoCallScreen.kt
index e1b54e2..e90d53a 100644
--- a/webrtc-android/app/src/main/kotlin/io/getstream/webrtc/sample/compose/ui/screens/video/VideoCallScreen.kt
+++ b/webrtc-android/app/src/main/kotlin/io/getstream/webrtc/sample/compose/ui/screens/video/VideoCallScreen.kt
@@ -59,6 +59,8 @@ fun VideoCallScreen() {
     val localVideoTrackState by sessionManager.localVideoTrackFlow.collectAsState(null)
     val localVideoTrack = localVideoTrackState
 
+    var callMediaState by remember { mutableStateOf(CallMediaState()) }
+
     if (remoteVideoTrack != null) {
       VideoRenderer(
         videoTrack = remoteVideoTrack,
@@ -68,7 +70,7 @@ fun VideoCallScreen() {
       )
     }
 
-    if (localVideoTrack != null) {
+    if (localVideoTrack != null && callMediaState.isCameraEnabled) {
       FloatingVideoRenderer(
         modifier = Modifier
           .size(width = 150.dp, height = 210.dp)
@@ -81,7 +83,6 @@ fun VideoCallScreen() {
     }
 
     val activity = (LocalContext.current as? Activity)
-    var callMediaState by remember { mutableStateOf(CallMediaState()) }
 
     VideoCallControls(
       modifier = Modifier
@@ -98,6 +99,7 @@ fun VideoCallScreen() {
           is CallAction.ToggleCamera -> {
             val enabled = callMediaState.isCameraEnabled.not()
             callMediaState = callMediaState.copy(isCameraEnabled = enabled)
+            sessionManager.enableCamera(enabled)
           }
           CallAction.FlipCamera -> sessionManager.flipCamera()
           CallAction.LeaveCall -> {
diff --git a/webrtc-android/app/src/main/kotlin/io/getstream/webrtc/sample/compose/webrtc/sessions/WebRtcSessionManager.kt b/webrtc-android/app/src/main/kotlin/io/getstream/webrtc/sample/compose/webrtc/sessions/WebRtcSessionManager.kt
index 75d4492..f7700a0 100644
--- a/webrtc-android/app/src/main/kotlin/io/getstream/webrtc/sample/compose/webrtc/sessions/WebRtcSessionManager.kt
+++ b/webrtc-android/app/src/main/kotlin/io/getstream/webrtc/sample/compose/webrtc/sessions/WebRtcSessionManager.kt
@@ -37,5 +37,7 @@ interface WebRtcSessionManager {
 
   fun enableMicrophone(enabled: Boolean)
 
+  fun enableCamera(enabled: Boolean)
+
   fun disconnect()
 }
diff --git a/webrtc-android/app/src/main/kotlin/io/getstream/webrtc/sample/compose/webrtc/sessions/WebRtcSessionManagerImpl.kt b/webrtc-android/app/src/main/kotlin/io/getstream/webrtc/sample/compose/webrtc/sessions/WebRtcSessionManagerImpl.kt
index d1e40a7..ec0cd5a 100644
--- a/webrtc-android/app/src/main/kotlin/io/getstream/webrtc/sample/compose/webrtc/sessions/WebRtcSessionManagerImpl.kt
+++ b/webrtc-android/app/src/main/kotlin/io/getstream/webrtc/sample/compose/webrtc/sessions/WebRtcSessionManagerImpl.kt
@@ -214,6 +214,14 @@ class WebRtcSessionManagerImpl(
     audioManager?.isMicrophoneMute = !enabled
   }
 
+  override fun enableCamera(enabled: Boolean) {
+    if (enabled) {
+      videoCapturer.startCapture(resolution.width, resolution.height, 30)
+    } else {
+      videoCapturer.stopCapture()
+    }
+  }
+
   override fun disconnect() {
     // dispose audio & video tracks.
     remoteVideoTrackFlow.replayCache.forEach { videoTrack ->