VoIP: fix some other issues

vector/src/main/java/im/vector/app/features/call/VectorCallViewModel.kt

@@ -123,7 +123,11 @@ class VectorCallViewModel @AssistedInject constructor(
     private val currentCallListener = object : WebRtcCallManager.CurrentCallListener {
 
         override fun onCurrentCallChange(call: WebRtcCall?) {
-            updateOtherKnownCall(call)
+            if (call == null) {
+                _viewEvents.post(VectorCallViewEvents.DismissNoCall)
+            } else {
+                updateOtherKnownCall(call)
+            }
         }
 
         override fun onAudioDevicesChange() {
@@ -143,8 +147,7 @@ class VectorCallViewModel @AssistedInject constructor(
         }
     }
 
-    private fun updateOtherKnownCall(currentCall: WebRtcCall?) {
-        if (currentCall == null) return
+    private fun updateOtherKnownCall(currentCall: WebRtcCall) {
         val otherCall = callManager.getCalls().firstOrNull {
             it.callId != currentCall.callId && it.mxCall.state is CallState.Connected
         }

vector/src/main/java/im/vector/app/features/call/webrtc/WebRtcCall.kt

@@ -707,7 +707,6 @@ class WebRtcCall(val mxCall: MxCall,
         if (mxCall.state == CallState.Terminated) {
             return
         }
-        val wasConnected = mxCall.state is CallState.Connected
         mxCall.state = CallState.Terminated
         // Close tracks ASAP
         localVideoTrack?.setEnabled(false)
@@ -721,8 +720,7 @@ class WebRtcCall(val mxCall: MxCall,
         }
         onCallEnded(this)
         if (originatedByMe) {
-            // send hang up event
-            if (wasConnected) {
+            if (mxCall.state is CallState.Connected || mxCall.isOutgoing) {
                 mxCall.hangUp(reason)
             } else {
                 mxCall.reject()

vector/src/main/java/im/vector/app/features/popup/IncomingCallAlert.kt

@@ -21,6 +21,7 @@ import android.view.View
 import android.widget.ImageView
 import android.widget.TextView
 import im.vector.app.R
+import im.vector.app.core.extensions.setLeftDrawable
 import im.vector.app.core.glide.GlideApp
 import im.vector.app.features.home.AvatarRenderer
 import org.matrix.android.sdk.api.util.MatrixItem
@@ -43,18 +44,24 @@ class IncomingCallAlert(uid: String,
         : VectorAlert.ViewBinder {
 
         override fun bind(view: View) {
-            val callKind = if (isVideoCall) {
-                R.string.action_video_call
+            val (callKindText, callKindIcon) = if (isVideoCall) {
+                Pair(R.string.action_video_call, R.drawable.ic_call_video_small)
             } else {
-                R.string.action_voice_call
+                Pair(R.string.action_voice_call, R.drawable.ic_call_audio_small)
+            }
+            view.findViewById<TextView>(R.id.incomingCallKindView).apply {
+                setText(callKindText)
+                setLeftDrawable(callKindIcon)
             }
-            view.findViewById<TextView>(R.id.incomingCallKindView).setText(callKind)
             view.findViewById<TextView>(R.id.incomingCallNameView).text = matrixItem?.getBestName()
             view.findViewById<ImageView>(R.id.incomingCallAvatar)?.let { imageView ->
                 matrixItem?.let { avatarRenderer.render(it, imageView, GlideApp.with(view.context.applicationContext)) }
             }
-            view.findViewById<ImageView>(R.id.incomingCallAcceptView).setOnClickListener {
-                onAccept()
+            view.findViewById<ImageView>(R.id.incomingCallAcceptView).apply {
+                setOnClickListener {
+                    onAccept()
+                }
+                setImageResource(callKindIcon)
             }
             view.findViewById<ImageView>(R.id.incomingCallRejectView).setOnClickListener {
                 onReject()

vector/src/main/res/layout/alerter_incoming_call_layout.xml

@@ -45,6 +45,8 @@
         android:layout_marginEnd="8dp"
         android:ellipsize="end"
         android:textColor="?riotx_text_secondary"
+        app:drawableTint="?riotx_text_secondary"
+        android:drawablePadding="4dp"
         android:textSize="15sp"
         android:maxLines="1"
         app:layout_constraintEnd_toStartOf="@+id/incomingCallRejectView"
@@ -65,6 +67,7 @@
         app:layout_constraintTop_toTopOf="parent"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
+        app:tint="@color/white"
         android:src="@drawable/ic_call_answer" />
 
     <ImageView