show verified shield in rtp session activity

src/main/java/eu/siacs/conversations/ui/RtpSessionActivity.java

@@ -389,6 +389,7 @@ public class RtpSessionActivity extends XmppActivity implements XmppConnectionSe
             if (state != null) {
                 Log.d(Config.LOGTAG, "restored last state from intent extra");
                 updateButtonConfiguration(state);
+                updateVerifiedShield(false);
                 updateStateDisplay(state);
                 updateProfilePicture(state);
                 invalidateOptionsMenu();
@@ -558,6 +559,7 @@ public class RtpSessionActivity extends XmppActivity implements XmppConnectionSe
         }
         this.rtpConnectionReference = reference;
         final RtpEndUserState currentState = requireRtpConnection().getEndUserState();
+        final boolean verified = requireRtpConnection().isVerified();
         if (currentState == RtpEndUserState.ENDED) {
             reference.get().throwStateTransitionException();
             finish();
@@ -573,6 +575,7 @@ public class RtpSessionActivity extends XmppActivity implements XmppConnectionSe
         binding.with.setText(getWith().getDisplayName());
         updateVideoViews(currentState);
         updateStateDisplay(currentState, media);
+        updateVerifiedShield(verified && STATES_SHOWING_SWITCH_TO_CHAT.contains(currentState));
         updateButtonConfiguration(currentState, media);
         updateProfilePicture(currentState);
         invalidateOptionsMenu();
@@ -591,6 +594,7 @@ public class RtpSessionActivity extends XmppActivity implements XmppConnectionSe
         updateStateDisplay(state);
         updateProfilePicture(state);
         updateCallDuration();
+        updateVerifiedShield(false);
         invalidateOptionsMenu();
         binding.with.setText(account.getRoster().getContact(with).getDisplayName());
     }
@@ -672,6 +676,14 @@ public class RtpSessionActivity extends XmppActivity implements XmppConnectionSe
         }
     }
 
+    private void updateVerifiedShield(final boolean verified) {
+        if (isPictureInPicture()) {
+            this.binding.verified.setVisibility(View.GONE);
+            return;
+        }
+        this.binding.verified.setVisibility(verified ? View.VISIBLE : View.GONE);
+    }
+
     private void updateProfilePicture(final RtpEndUserState state) {
         updateProfilePicture(state, null);
     }
@@ -1075,6 +1087,7 @@ public class RtpSessionActivity extends XmppActivity implements XmppConnectionSe
             return;
         }
         final AbstractJingleConnection.Id id = requireRtpConnection().getId();
+        final boolean verified = requireRtpConnection().isVerified();
         final Set<Media> media = getMedia();
         final Contact contact = getWith();
         if (account == id.account && id.with.equals(with) && id.sessionId.equals(sessionId)) {
@@ -1084,6 +1097,7 @@ public class RtpSessionActivity extends XmppActivity implements XmppConnectionSe
             }
             runOnUiThread(() -> {
                 updateStateDisplay(state, media);
+                updateVerifiedShield(verified && STATES_SHOWING_SWITCH_TO_CHAT.contains(state));
                 updateButtonConfiguration(state, media);
                 updateVideoViews(state);
                 updateProfilePicture(state, contact);
@@ -1133,6 +1147,7 @@ public class RtpSessionActivity extends XmppActivity implements XmppConnectionSe
         }
         if (Jid.ofEscaped(withExtra).asBareJid().equals(with)) {
             runOnUiThread(() -> {
+                updateVerifiedShield(false);
                 updateStateDisplay(state);
                 updateButtonConfiguration(state);
                 updateProfilePicture(state);

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

@@ -32,6 +32,7 @@ import java.util.concurrent.TimeUnit;
 import eu.siacs.conversations.Config;
 import eu.siacs.conversations.crypto.axolotl.AxolotlService;
 import eu.siacs.conversations.crypto.axolotl.CryptoFailedException;
+import eu.siacs.conversations.crypto.axolotl.FingerprintStatus;
 import eu.siacs.conversations.entities.Account;
 import eu.siacs.conversations.entities.Conversation;
 import eu.siacs.conversations.entities.Conversational;
@@ -967,6 +968,15 @@ public class JingleRtpConnection extends AbstractJingleConnection implements Web
     }
 
 
+    public boolean isVerified() {
+        final String fingerprint = this.omemoVerification.getFingerprint();
+        if (fingerprint == null) {
+            return false;
+        }
+        final FingerprintStatus status = id.account.getAxolotlService().getFingerprintTrust(fingerprint);
+        return status != null && status.getTrust() == FingerprintStatus.Trust.VERIFIED;
+    }
+
     public synchronized void acceptCall() {
         switch (this.state) {
             case PROPOSED:

src/main/res/layout/activity_rtp_session.xml

@@ -86,17 +86,14 @@
 
         </RelativeLayout>
 
-
         <org.webrtc.SurfaceViewRenderer
             android:id="@+id/local_video"
             android:layout_width="@dimen/local_video_preview_width"
             android:layout_height="@dimen/local_video_preview_height"
             android:layout_below="@+id/app_bar_layout"
             android:layout_alignParentEnd="true"
-            android:layout_alignParentRight="true"
             android:layout_marginTop="24dp"
             android:layout_marginEnd="24dp"
-            android:layout_marginRight="24dp"
             android:visibility="gone"
             app:elevation="4dp" />
 
@@ -106,22 +103,31 @@
             android:layout_height="match_parent"
             android:layout_below="@+id/app_bar_layout"
             android:layout_alignParentStart="true"
-            android:layout_alignParentLeft="true"
             android:layout_alignParentBottom="true"
             android:visibility="gone" />
 
+        <ImageView
+            android:id="@+id/verified"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_below="@+id/app_bar_layout"
+            android:layout_alignParentStart="true"
+            android:layout_marginTop="24dp"
+            android:layout_marginStart="16dp"
+            android:alpha="0.7"
+            android:src="@drawable/ic_verified_fingerprint" />
+
         <ImageView
             android:id="@+id/pip_local_mic_off_indicator"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_alignParentEnd="true"
-            android:layout_alignParentRight="true"
             android:layout_alignParentBottom="true"
             android:layout_margin="8dp"
             android:alpha="0.7"
             android:src="@drawable/ic_mic_off_black_24dp"
-            android:tint="@color/white"
+            android:visibility="gone"
-            android:visibility="gone" />
+            app:tint="@color/white" />
 
         <RelativeLayout
             android:id="@+id/button_row"
@@ -141,7 +147,6 @@
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
                     android:layout_alignParentStart="true"
-                    android:layout_alignParentLeft="true"
                     android:layout_margin="16dp"
                     android:src="@drawable/ic_call_end_white_48dp"
                     android:visibility="gone"
@@ -156,7 +161,6 @@
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
                     android:layout_alignParentEnd="true"
-                    android:layout_alignParentRight="true"
                     android:layout_centerVertical="true"
                     android:layout_margin="16dp"
                     android:src="@drawable/ic_call_white_48dp"
@@ -176,7 +180,6 @@
                 android:layout_centerVertical="true"
                 android:layout_margin="@dimen/in_call_fab_margin"
                 android:layout_toStartOf="@+id/end_call"
-                android:layout_toLeftOf="@+id/end_call"
                 android:visibility="gone"
                 app:backgroundTint="?color_background_primary"
                 app:elevation="4dp"
@@ -203,7 +206,6 @@
                 android:layout_centerVertical="true"
                 android:layout_margin="@dimen/in_call_fab_margin"
                 android:layout_toEndOf="@+id/end_call"
-                android:layout_toRightOf="@+id/end_call"
                 android:visibility="gone"
                 app:backgroundTint="?color_background_primary"
                 app:elevation="4dp"
@@ -217,7 +219,6 @@
                 android:layout_centerVertical="true"
                 android:layout_margin="@dimen/in_call_fab_margin"
                 android:layout_toEndOf="@+id/in_call_action_right"
-                android:layout_toRightOf="@+id/in_call_action_right"
                 android:visibility="gone"
                 app:backgroundTint="?color_background_primary"
                 app:elevation="4dp"