1 files changed, 49 insertions, 10 deletions

diff --git a/src/main/java/eu/siacs/conversations/services/XmppConnectionService.java b/src/main/java/eu/siacs/conversations/services/XmppConnectionService.java
index 2fead2380..ee212aed0 100644
--- a/src/main/java/eu/siacs/conversations/services/XmppConnectionService.java
+++ b/src/main/java/eu/siacs/conversations/services/XmppConnectionService.java
@@ -57,12 +57,11 @@ import eu.siacs.conversations.entities.Blockable;
 import eu.siacs.conversations.entities.Bookmark;
 import eu.siacs.conversations.entities.Contact;
 import eu.siacs.conversations.entities.Conversation;
-import eu.siacs.conversations.entities.Downloadable;
-import eu.siacs.conversations.entities.DownloadablePlaceholder;
+import eu.siacs.conversations.entities.Transferable;
+import eu.siacs.conversations.entities.TransferablePlaceholder;
 import eu.siacs.conversations.entities.Message;
 import eu.siacs.conversations.entities.MucOptions;
 import eu.siacs.conversations.entities.MucOptions.OnRenameListener;
-import eu.siacs.conversations.entities.Presences;
 import eu.siacs.conversations.generator.IqGenerator;
 import eu.siacs.conversations.generator.MessageGenerator;
 import eu.siacs.conversations.generator.PresenceGenerator;
@@ -234,6 +233,8 @@ public class XmppConnectionService extends Service implements OnPhoneContactsLoa
 	private MessageArchiveService mMessageArchiveService = new MessageArchiveService(this);
 	private OnConversationUpdate mOnConversationUpdate = null;
 	private int convChangedListenerCount = 0;
+	private OnShowErrorToast mOnShowErrorToast = null;
+	private int showErrorToastListenerCount = 0;
 	private int unreadCount = -1;
 	private OnAccountUpdate mOnAccountUpdate = null;
 	private OnStatusChanged statusListener = new OnStatusChanged() {
@@ -631,7 +632,7 @@ public class XmppConnectionService extends Service implements OnPhoneContactsLoa
 		}
 		Context context = getApplicationContext();
 		AlarmManager alarmManager = (AlarmManager) context
-			.getSystemService(Context.ALARM_SERVICE);
+				.getSystemService(Context.ALARM_SERVICE);
 		Intent intent = new Intent(context, EventReceiver.class);
 		alarmManager.cancel(PendingIntent.getBroadcast(context, 0, intent, 0));
 		Log.d(Config.LOGTAG, "good bye");
@@ -685,7 +686,7 @@ public class XmppConnectionService extends Service implements OnPhoneContactsLoa
 	}
 
 	public void sendMessage(final Message message) {
-		sendMessage(message,false);
+		sendMessage(message, false);
 	}
 
 	private void sendMessage(final Message message, final boolean resend) {
@@ -818,7 +819,7 @@ public class XmppConnectionService extends Service implements OnPhoneContactsLoa
 	}
 
 	public void resendMessage(final Message message) {
-		sendMessage(message,true);
+		sendMessage(message, true);
 	}
 
 	public void fetchRosterFromServer(final Account account) {
@@ -973,7 +974,7 @@ public class XmppConnectionService extends Service implements OnPhoneContactsLoa
 			@Override
 			public void onMessageFound(Message message) {
 				if (!getFileBackend().isFileAvailable(message)) {
-					message.setDownloadable(new DownloadablePlaceholder(Downloadable.STATUS_DELETED));
+					message.setTransferable(new TransferablePlaceholder(Transferable.STATUS_DELETED));
 				}
 			}
 		});
@@ -984,7 +985,7 @@ public class XmppConnectionService extends Service implements OnPhoneContactsLoa
 			Message message = conversation.findMessageWithFileAndUuid(uuid);
 			if (message != null) {
 				if (!getFileBackend().isFileAvailable(message)) {
-					message.setDownloadable(new DownloadablePlaceholder(Downloadable.STATUS_DELETED));
+					message.setTransferable(new TransferablePlaceholder(Transferable.STATUS_DELETED));
 					updateConversationUi();
 				}
 				return;
@@ -1241,6 +1242,32 @@ public class XmppConnectionService extends Service implements OnPhoneContactsLoa
 		}
 	}
 
+	public void setOnShowErrorToastListener(OnShowErrorToast onShowErrorToast) {
+		synchronized (this) {
+			if (checkListeners()) {
+				switchToForeground();
+			}
+			this.mOnShowErrorToast = onShowErrorToast;
+			if (this.showErrorToastListenerCount < 2) {
+				this.showErrorToastListenerCount++;
+			}
+		}
+		this.mOnShowErrorToast = onShowErrorToast;
+	}
+
+	public void removeOnShowErrorToastListener() {
+		synchronized (this) {
+			this.showErrorToastListenerCount--;
+			if (this.showErrorToastListenerCount <= 0) {
+				this.showErrorToastListenerCount = 0;
+				this.mOnShowErrorToast = null;
+				if (checkListeners()) {
+					switchToBackground();
+				}
+			}
+		}
+	}
+
 	public void setOnAccountListChangedListener(OnAccountUpdate listener) {
 		synchronized (this) {
 			if (checkListeners()) {
@@ -1345,7 +1372,8 @@ public class XmppConnectionService extends Service implements OnPhoneContactsLoa
 		return (this.mOnAccountUpdate == null
 				&& this.mOnConversationUpdate == null
 				&& this.mOnRosterUpdate == null
-				&& this.mOnUpdateBlocklist == null);
+				&& this.mOnUpdateBlocklist == null
+				&& this.mOnShowErrorToast == null);
 	}
 
 	private void switchToForeground() {
@@ -1671,7 +1699,7 @@ public class XmppConnectionService extends Service implements OnPhoneContactsLoa
 	public void changeAffiliationsInConference(final Conversation conference, MucOptions.Affiliation before, MucOptions.Affiliation after) {
 		List<Jid> jids = new ArrayList<>();
 		for (MucOptions.User user : conference.getMucOptions().getUsers()) {
-			if (user.getAffiliation() == before) {
+			if (user.getAffiliation() == before && user.getJid() != null) {
 				jids.add(user.getJid());
 			}
 		}
@@ -2196,6 +2224,13 @@ public class XmppConnectionService extends Service implements OnPhoneContactsLoa
 		return count;
 	}
 
+
+	public void showErrorToastInUi(int resId) {
+		if (mOnShowErrorToast != null) {
+			mOnShowErrorToast.onShowErrorToast(resId);
+		}
+	}
+
 	public void updateConversationUi() {
 		if (mOnConversationUpdate != null) {
 			mOnConversationUpdate.onConversationUpdate();
@@ -2529,6 +2564,10 @@ public class XmppConnectionService extends Service implements OnPhoneContactsLoa
 		public void onPushFailed();
 	}
 
+	public interface OnShowErrorToast {
+		void onShowErrorToast(int resId);
+	}
+
 	public class XmppConnectionBinder extends Binder {
 		public XmppConnectionService getService() {
 			return XmppConnectionService.this;