retract call when pressing home or power button during ringing

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

@@ -95,16 +95,21 @@ public class RtpSessionActivity extends XmppActivity implements XmppConnectionSe
 
     private void endCall() {
         if (this.rtpConnectionReference == null) {
-            final Intent intent = getIntent();
+            retractSessionProposal();
-            final Account account = extractAccount(intent);
-            final Jid with = Jid.of(intent.getStringExtra(EXTRA_WITH));
-            xmppConnectionService.getJingleConnectionManager().retractSessionProposal(account, with.asBareJid());
             finish();
         } else {
             requireRtpConnection().endCall();
         }
     }
 
+    private void retractSessionProposal() {
+        final Intent intent = getIntent();
+        final Account account = extractAccount(intent);
+        final Jid with = Jid.of(intent.getStringExtra(EXTRA_WITH));
+        resetIntent(account, with, RtpEndUserState.RETRACTED, actionToMedia(intent.getAction()));
+        xmppConnectionService.getJingleConnectionManager().retractSessionProposal(account, with.asBareJid());
+    }
+
     private void rejectCall(View view) {
         requireRtpConnection().rejectCall();
         finish();
@@ -290,6 +295,8 @@ public class RtpSessionActivity extends XmppActivity implements XmppConnectionSe
         final JingleRtpConnection jingleRtpConnection = weakReference == null ? null : weakReference.get();
         if (jingleRtpConnection != null) {
             releaseVideoTracks(jingleRtpConnection);
+        } else if (!isChangingConfigurations()) {
+            retractSessionProposal();
         }
         releaseProximityWakeLock();
         super.onStop();
@@ -420,6 +427,9 @@ public class RtpSessionActivity extends XmppActivity implements XmppConnectionSe
             case CONNECTIVITY_ERROR:
                 setTitle(R.string.rtp_state_connectivity_error);
                 break;
+            case RETRACTED:
+                setTitle(R.string.rtp_state_retracted);
+                break;
             case APPLICATION_ERROR:
                 setTitle(R.string.rtp_state_application_failure);
                 break;
@@ -468,7 +478,7 @@ public class RtpSessionActivity extends XmppActivity implements XmppConnectionSe
             this.binding.endCall.setImageResource(R.drawable.ic_clear_white_48dp);
             this.binding.endCall.setVisibility(View.VISIBLE);
             this.binding.acceptCall.setVisibility(View.INVISIBLE);
-        } else if (state == RtpEndUserState.CONNECTIVITY_ERROR || state == RtpEndUserState.APPLICATION_ERROR) {
+        } else if (asList(RtpEndUserState.CONNECTIVITY_ERROR, RtpEndUserState.APPLICATION_ERROR, RtpEndUserState.RETRACTED).contains(state)) {
             this.binding.rejectCall.setOnClickListener(this::exit);
             this.binding.rejectCall.setImageResource(R.drawable.ic_clear_white_48dp);
             this.binding.rejectCall.setVisibility(View.VISIBLE);

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

@@ -402,11 +402,11 @@ public class JingleConnectionManager extends AbstractConnectionManager {
                 }
             }
             if (matchingProposal != null) {
+                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": retracting rtp session proposal with " + with);
                 this.rtpSessionProposals.remove(matchingProposal);
                 final MessagePacket messagePacket = mXmppConnectionService.getMessageGenerator().sessionRetract(matchingProposal);
                 writeLogMissedOutgoing(account, matchingProposal.with, matchingProposal.sessionId, null, System.currentTimeMillis());
                 mXmppConnectionService.sendMessagePacket(account, messagePacket);
-
             }
         }
     }

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

@@ -11,5 +11,6 @@ public enum RtpEndUserState {
     ENDED, //close UI
     DECLINED_OR_BUSY, //other party declined; no retry button
     CONNECTIVITY_ERROR, //network error; retry button
+    RETRACTED, //user pressed home or power button during 'ringing' - shows retry button
     APPLICATION_ERROR //something rather bad happened; libwebrtc failed or we got in IQ-error
 }

src/main/res/values/strings.xml

@@ -904,6 +904,7 @@
     <string name="rtp_state_ringing">Ringing</string>
     <string name="rtp_state_declined_or_busy">Busy</string>
     <string name="rtp_state_connectivity_error">Unable to connect call</string>
+    <string name="rtp_state_retracted">Retracted call</string>
     <string name="rtp_state_application_failure">Application failure</string>
     <string name="hang_up">Hang up</string>
     <string name="ongoing_call">Ongoing call</string>