calculate switch to video cap on jingle connection startup

app/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleRtpConnection.java

@@ -32,6 +32,7 @@ import im.conversations.android.axolotl.AxolotlService;
 import im.conversations.android.dns.IP;
 import im.conversations.android.notification.RtpSessionNotification;
 import im.conversations.android.transformer.CallLogEntry;
+import im.conversations.android.util.BooleanFutures;
 import im.conversations.android.xml.Element;
 import im.conversations.android.xml.Namespace;
 import im.conversations.android.xmpp.Entity;
@@ -179,6 +180,7 @@ public class JingleRtpConnection extends AbstractJingleConnection
     private final RtpSessionNotification rtpSessionNotification;
     private ScheduledFuture<?> ringingTimeoutFuture;
     private CallLogEntry message = null;
+    private final ListenableFuture<Boolean> remoteHasVideoFeature;
 
     public JingleRtpConnection(
             final Context context,
@@ -186,7 +188,11 @@ public class JingleRtpConnection extends AbstractJingleConnection
             final Id id,
             final Jid initiator) {
         super(context, connection, id, initiator);
-        this.rtpSessionNotification = new RtpSessionNotification(context);
+        this.rtpSessionNotification =
+                getManager(JingleConnectionManager.class).getNotificationService();
+        this.remoteHasVideoFeature =
+                getManager(DiscoManager.class)
+                        .hasFeatureAsync(Entity.presence(id.with), Namespace.JINGLE_FEATURE_VIDEO);
     }
 
     private static State reasonToState(Reason reason) {
@@ -2662,8 +2668,7 @@ public class JingleRtpConnection extends AbstractJingleConnection
     }
 
     private boolean remoteHasVideoFeature() {
-        return getManager(DiscoManager.class)
+        return BooleanFutures.isDoneAndTrue(this.remoteHasVideoFeature);
-                .hasFeature(Entity.presence(id.with), Namespace.JINGLE_FEATURE_VIDEO);
     }
 
     private interface OnIceServersDiscovered {

app/src/main/java/im/conversations/android/util/BooleanFutures.java

@@ -0,0 +1,20 @@
+package im.conversations.android.util;
+
+import com.google.common.util.concurrent.ListenableFuture;
+
+public final class BooleanFutures {
+
+    private BooleanFutures() {}
+
+    public static boolean isDoneAndTrue(final ListenableFuture<Boolean> future) {
+        if (future.isDone()) {
+            try {
+                return Boolean.TRUE.equals(future.get());
+            } catch (final Exception e) {
+                return false;
+            }
+        } else {
+            return false;
+        }
+    }
+}

app/src/main/java/im/conversations/android/xmpp/manager/ExternalDiscoManager.java

@@ -4,16 +4,14 @@ import android.content.Context;
 import com.google.common.util.concurrent.Futures;
 import com.google.common.util.concurrent.ListenableFuture;
 import com.google.common.util.concurrent.MoreExecutors;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import im.conversations.android.xml.Namespace;
 import im.conversations.android.xmpp.XmppConnection;
 import im.conversations.android.xmpp.model.disco.external.Service;
 import im.conversations.android.xmpp.model.disco.external.Services;
 import im.conversations.android.xmpp.model.stanza.Iq;
 import java.util.Collection;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 public class ExternalDiscoManager extends AbstractManager {
 

app/src/main/res/drawable/ic_assured_workload_24dp.xml

@@ -0,0 +1,10 @@
+<vector android:height="24dp" android:tint="#000000"
+    android:viewportHeight="24" android:viewportWidth="24"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white" android:pathData="M5,10h2v7h-2z"/>
+    <path android:fillColor="@android:color/white" android:pathData="M11,10h2v7h-2z"/>
+    <path android:fillColor="@android:color/white" android:pathData="M22,6l-10,-5l-10,5l0,2l20,0z"/>
+    <path android:fillColor="@android:color/white" android:pathData="M2,19v2h12.4c-0.21,-0.64 -0.32,-1.31 -0.36,-2H2z"/>
+    <path android:fillColor="@android:color/white" android:pathData="M19,12.26l0,-2.26l-2,0l0,3.26z"/>
+    <path android:fillColor="@android:color/white" android:pathData="M20,14l-4,2v2.55c0,2.52 1.71,4.88 4,5.45c2.29,-0.57 4,-2.93 4,-5.45V16L20,14zM19.28,21l-2.03,-2.03l1.06,-1.06l0.97,0.97l2.41,-2.38l1.06,1.06L19.28,21z"/>
+</vector>

app/src/main/res/drawable/ic_private_connectivity_24dp.xml

@@ -0,0 +1,5 @@
+<vector android:height="24dp" android:tint="#000000"
+    android:viewportHeight="24" android:viewportWidth="24"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white" android:pathData="M18.93,11c-0.49,-3.39 -3.4,-6 -6.93,-6s-6.44,2.61 -6.93,6H2v2h3.07c0.49,3.39 3.4,6 6.93,6s6.44,-2.61 6.93,-6H22v-2H18.93zM15,14.5c0,0.55 -0.45,1 -1,1h-4c-0.55,0 -1,-0.45 -1,-1v-3c0,-0.55 0.45,-1 1,-1v-1c0,-1.21 1.08,-2.18 2.34,-1.97C13.32,7.69 14,8.61 14,9.61v0.89c0.55,0 1,0.45 1,1V14.5zM12.75,13c0,0.41 -0.34,0.75 -0.75,0.75s-0.75,-0.34 -0.75,-0.75c0,-0.41 0.34,-0.75 0.75,-0.75S12.75,12.59 12.75,13zM13,9.5v1h-2v-1c0,-0.55 0.45,-1 1,-1S13,8.95 13,9.5z"/>
+</vector>