Remove fallback code for "no-ping" not being available

The capability was introduces 2018 for Nextcloud 14

Signed-off-by: Joas Schilling <coding@schilljs.com>

app/src/main/java/com/nextcloud/talk/api/NcApi.java

@@ -194,12 +194,6 @@ public interface NcApi {
     @DELETE
     Observable<GenericOverall> leaveCall(@Nullable @Header("Authorization") String authorization, @Url String url);
 
-    /*
-        Server URL is: baseUrl + ocsApiVersion + spreedApiVersion + /call/callToken/ping
-    */
-    @POST
-    Observable<GenericOverall> pingCall(@Nullable @Header("Authorization") String authorization, @Url String url);
-
     @GET
     Observable<SignalingSettingsOverall> getSignalingSettings(@Nullable @Header("Authorization") String authorization,
                                                               @Url String url);

app/src/main/java/com/nextcloud/talk/controllers/CallController.java

@@ -244,7 +244,6 @@ public class CallController extends BaseController {
     private VideoCapturer videoCapturer;
     private EglBase rootEglBase;
     private Disposable signalingDisposable;
-    private Disposable pingDisposable;
     private List<PeerConnection.IceServer> iceServers;
     private CameraEnumerator cameraEnumerator;
     private String roomToken;
@@ -260,7 +259,6 @@ public class CallController extends BaseController {
     private boolean audioOn = false;
 
     private boolean isMultiSession = false;
-    private boolean needsPing = true;
 
     private boolean isVoiceOnlyCall;
     private boolean isIncomingCallFromNotification;
@@ -1207,15 +1205,6 @@ public class CallController extends BaseController {
                                 .getCapabilities().getSpreedCapability()
                                 .getFeatures().contains("multi-room-users");
 
-                        needsPing = !(capabilitiesOverall.getOcs().getData()
-                                .getCapabilities() != null && capabilitiesOverall.getOcs().getData()
-                                .getCapabilities().getSpreedCapability() != null &&
-                                capabilitiesOverall.getOcs().getData()
-                                        .getCapabilities().getSpreedCapability()
-                                        .getFeatures() != null && capabilitiesOverall.getOcs().getData()
-                                .getCapabilities().getSpreedCapability()
-                                .getFeatures().contains("no-ping"));
-
                         if (hasExternalSignalingServer) {
                             setupAndInitiateWebSocketsConnection();
                         } else {
@@ -1313,45 +1302,13 @@ public class CallController extends BaseController {
 
                             ApplicationWideCurrentRoomHolder.getInstance().setInCall(true);
 
-                            if (needsPing) {
-                                ncApi.pingCall(credentials, ApiUtils.getUrlForCallPing(baseUrl, roomToken))
-                                        .subscribeOn(Schedulers.io())
-                                        .observeOn(AndroidSchedulers.mainThread())
-                                        .repeatWhen(observable -> observable.delay(5000, TimeUnit.MILLISECONDS))
-                                        .takeWhile(observable -> isConnectionEstablished())
-                                        .retry(3, observable -> isConnectionEstablished())
-                                        .subscribe(new Observer<GenericOverall>() {
-                                            @Override
-                                            public void onSubscribe(Disposable d) {
-                                                pingDisposable = d;
-                                            }
-
-                                            @Override
-                                            public void onNext(GenericOverall genericOverall) {
-
-                                            }
-
-                                            @Override
-                                            public void onError(Throwable e) {
-                                                dispose(pingDisposable);
-                                            }
-
-                                            @Override
-                                            public void onComplete() {
-                                                dispose(pingDisposable);
-                                            }
-                                        });
-                            }
-
                             // Start pulling signaling messages
                             String urlToken = null;
                             if (isMultiSession) {
                                 urlToken = roomToken;
                             }
 
-                            if (!conversationUser.hasSpreedFeatureCapability("no-ping") && !TextUtils.isEmpty(roomId)) {
-                                NotificationUtils.INSTANCE.cancelExistingNotificationsForRoom(getApplicationContext(), conversationUser, roomId);
-                            } else if (!TextUtils.isEmpty(roomToken)) {
+                            if (!TextUtils.isEmpty(roomToken)) {
                                 NotificationUtils.INSTANCE.cancelExistingNotificationsForRoom(getApplicationContext(), conversationUser, roomToken);
                             }
 
@@ -1482,12 +1439,6 @@ public class CallController extends BaseController {
         if (disposable != null && !disposable.isDisposed()) {
             disposable.dispose();
         } else if (disposable == null) {
-
-            if (pingDisposable != null && !pingDisposable.isDisposed()) {
-                pingDisposable.dispose();
-                pingDisposable = null;
-            }
-
             if (signalingDisposable != null && !signalingDisposable.isDisposed()) {
                 signalingDisposable.dispose();
                 signalingDisposable = null;

app/src/main/java/com/nextcloud/talk/controllers/CallNotificationController.java

@@ -403,8 +403,7 @@ public class CallNotificationController extends BaseController {
                                                                                                             .incoming_gradient));
                             }
 
-                            if ((AvatarStatusCodeHolder.getInstance().getStatusCode() == 200 || AvatarStatusCodeHolder.getInstance().getStatusCode() == 0) &&
-                                    userBeingCalled.hasSpreedFeatureCapability("no-ping")) {
+                            if (AvatarStatusCodeHolder.getInstance().getStatusCode() == 200 || AvatarStatusCodeHolder.getInstance().getStatusCode() == 0) {
                                 if (getActivity() != null) {
                                     Bitmap backgroundBitmap = bitmap.copy(bitmap.getConfig(), true);
                                     new BlurPostProcessor(5, getActivity()).process(backgroundBitmap);

app/src/main/java/com/nextcloud/talk/controllers/ChatController.kt

@@ -844,7 +844,7 @@ class ChatController(args: Bundle) :
         cancelNotificationsForCurrentConversation()
 
         if (inConversation) {
-            if (wasDetached && conversationUser?.hasSpreedFeatureCapability("no-ping") ?: false) {
+            if (wasDetached) {
                 currentConversation?.sessionId = "0"
                 wasDetached = false
                 joinRoomWithPassword()
@@ -854,12 +854,7 @@ class ChatController(args: Bundle) :
 
     private fun cancelNotificationsForCurrentConversation() {
         if (conversationUser != null) {
-            if (!conversationUser.hasSpreedFeatureCapability("no-ping") && !TextUtils.isEmpty(roomId)) {
-                NotificationUtils.cancelExistingNotificationsForRoom(
-                    applicationContext,
-                    conversationUser, roomId
-                )
-            } else if (!TextUtils.isEmpty(roomToken)) {
+            if (!TextUtils.isEmpty(roomToken)) {
                 NotificationUtils.cancelExistingNotificationsForRoom(
                     applicationContext,
                     conversationUser, roomToken!!
@@ -882,7 +877,6 @@ class ChatController(args: Bundle) :
         }
 
         if (conversationUser != null &&
-            conversationUser.hasSpreedFeatureCapability("no-ping") &&
             activity != null &&
             !activity?.isChangingConfigurations!! &&
             !isLeavingForConversation
@@ -927,35 +921,6 @@ class ChatController(args: Bundle) :
         }
     }
 
-    private fun startPing() {
-        if (conversationUser != null && !conversationUser.hasSpreedFeatureCapability("no-ping")) {
-            ncApi?.pingCall(
-                credentials,
-                ApiUtils.getUrlForCallPing(
-                    conversationUser.baseUrl,
-                    roomToken
-                )
-            )
-                ?.subscribeOn(Schedulers.io())
-                ?.observeOn(AndroidSchedulers.mainThread())
-                ?.repeatWhen { observable -> observable.delay(5000, TimeUnit.MILLISECONDS) }
-                ?.takeWhile { observable -> inConversation }
-                ?.retry(3) { observable -> inConversation }
-                ?.subscribe(object : Observer<GenericOverall> {
-                    override fun onSubscribe(d: Disposable) {
-                        disposableList.add(d)
-                    }
-
-                    override fun onNext(genericOverall: GenericOverall) {
-                    }
-
-                    override fun onError(e: Throwable) {}
-
-                    override fun onComplete() {}
-                })
-        }
-    }
-
     @OnClick(R.id.smileyButton)
     internal fun onSmileyClick() {
         emojiPopup?.toggle()
@@ -991,7 +956,6 @@ class ChatController(args: Bundle) :
 
                         ApplicationWideCurrentRoomHolder.getInstance().session =
                             currentConversation?.sessionId
-                        startPing()
 
                         setupWebsocket()
                         checkLobbyState()
@@ -1029,7 +993,6 @@ class ChatController(args: Bundle) :
                     currentConversation?.sessionId
                 )
             }
-            startPing()
             if (isFirstMessagesProcessing) {
                 pullChatMessages(0)
             } else {

app/src/main/java/com/nextcloud/talk/jobs/NotificationWorker.java

@@ -617,12 +617,7 @@ public class NotificationWorker extends Worker {
 
                             intent.setFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP | Intent.FLAG_ACTIVITY_NEW_TASK);
 
-                            if (!signatureVerification.getUserEntity().hasSpreedFeatureCapability
-                                    ("no-ping")) {
-                                bundle.putString(BundleKeys.INSTANCE.getKEY_ROOM_ID(), decryptedPushMessage.getId());
-                            } else {
-                                bundle.putString(BundleKeys.INSTANCE.getKEY_ROOM_TOKEN(), decryptedPushMessage.getId());
-                            }
+                            bundle.putString(BundleKeys.INSTANCE.getKEY_ROOM_TOKEN(), decryptedPushMessage.getId());
 
                             bundle.putParcelable(BundleKeys.INSTANCE.getKEY_USER_ENTITY(), signatureVerification.getUserEntity());
 
@@ -633,9 +628,7 @@ public class NotificationWorker extends Worker {
 
                             switch (decryptedPushMessage.getType()) {
                                 case "call":
-                                    if (!bundle.containsKey(BundleKeys.INSTANCE.getKEY_ROOM_TOKEN())) {
-                                        context.startActivity(intent);
-                                    } else {
+                                    if (bundle.containsKey(BundleKeys.INSTANCE.getKEY_ROOM_TOKEN())) {
                                         showNotificationForCallWithNoPing(intent);
                                     }
                                     break;

app/src/main/java/com/nextcloud/talk/utils/ApiUtils.java

@@ -295,14 +295,6 @@ public class ApiUtils {
         return retrofitBucket;
     }
 
-    /**
-     * @deprecated Method is only needed before Talk 4 which is from 2018 => todrop
-     */
-    @Deprecated
-    public static String getUrlForCallPing(String baseUrl, String token) {
-        return getUrlForCall(1, baseUrl, token) + "/ping";
-    }
-
     public static String getUrlForUserProfile(String baseUrl) {
         return baseUrl + ocsApiVersion + "/cloud/user";
     }