save name instead of subject in bookmark

src/main/java/eu/siacs/conversations/parser/MessageParser.java

@@ -645,12 +645,6 @@ public class MessageParser extends AbstractParser implements OnMessagePacketRece
 						if (conversation.getMucOptions().setSubject(subject)) {
 							mXmppConnectionService.updateConversation(conversation);
 						}
-						final Bookmark bookmark = conversation.getBookmark();
-						if (bookmark != null && bookmark.getBookmarkName() == null) {
-							if (bookmark.setBookmarkName(subject)) {
-								mXmppConnectionService.pushBookmarks(account);
-							}
-						}
 						mXmppConnectionService.updateConversationUi();
 						return;
 					}

src/main/java/eu/siacs/conversations/services/XmppConnectionService.java

@@ -115,6 +115,7 @@ import eu.siacs.conversations.utils.ReplacingSerialSingleThreadExecutor;
 import eu.siacs.conversations.utils.ReplacingTaskManager;
 import eu.siacs.conversations.utils.Resolver;
 import eu.siacs.conversations.utils.SerialSingleThreadExecutor;
+import eu.siacs.conversations.utils.StringUtils;
 import eu.siacs.conversations.utils.WakeLockHelper;
 import eu.siacs.conversations.xml.Namespace;
 import eu.siacs.conversations.utils.XmppUri;
@@ -2450,13 +2451,29 @@ public class XmppConnectionService extends Service {
 			@Override
 			public void onIqPacketReceived(Account account, IqPacket packet) {
 				if (packet.getType() == IqPacket.TYPE.RESULT) {
-					if (conversation.getMucOptions().updateConfiguration(new ServiceDiscoveryResult(packet))) {
+
+					final MucOptions mucOptions = conversation.getMucOptions();
+					final Bookmark bookmark = conversation.getBookmark();
+					final boolean sameBefore = StringUtils.equals(bookmark == null ? null : bookmark.getBookmarkName(), mucOptions.getName());
+
+					if (mucOptions.updateConfiguration(new ServiceDiscoveryResult(packet))) {
 						Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": muc configuration changed for " + conversation.getJid().asBareJid());
 						updateConversation(conversation);
 					}
+
+					if (bookmark != null && (sameBefore || bookmark.getBookmarkName() == null)) {
+						if (bookmark.setBookmarkName(mucOptions.getName())) {
+							pushBookmarks(account);
+						}
+					}
+
+
 					if (callback != null) {
 						callback.onConferenceConfigurationFetched(conversation);
 					}
+
+
+
 					updateConversationUi();
 				} else if (packet.getType() == IqPacket.TYPE.ERROR) {
 					if (callback != null) {

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

@@ -58,6 +58,7 @@ import eu.siacs.conversations.utils.XmppUri;
 import rocks.xmpp.addr.Jid;
 
 import static eu.siacs.conversations.entities.Bookmark.printableValue;
+import static eu.siacs.conversations.utils.StringUtils.changed;
 
 public class ConferenceDetailsActivity extends XmppActivity implements OnConversationUpdate, OnMucRosterUpdate, XmppConnectionService.OnAffiliationChanged, XmppConnectionService.OnRoleChanged, XmppConnectionService.OnConfigurationPushed, TextWatcher {
     public static final String ACTION_VIEW_MUC = "view_muc";
@@ -368,13 +369,6 @@ public class ConferenceDetailsActivity extends XmppActivity implements OnConvers
         }
     }
 
-    private static String blankOnNull(String input) {
-        return input == null ? "" : input;
-    }
-
-    private static boolean changed(String one, String two) {
-        return !blankOnNull(one).equals(blankOnNull(two));
-    }
 
     @Override
     protected String getShareableUri(boolean http) {
@@ -558,8 +552,7 @@ public class ConferenceDetailsActivity extends XmppActivity implements OnConvers
     }
 
     protected void saveAsBookmark() {
-        xmppConnectionService.saveConversationAsBookmark(mConversation,
-                mConversation.getMucOptions().getSubject());
+        xmppConnectionService.saveConversationAsBookmark(mConversation, mConversation.getMucOptions().getName());
     }
 
     protected void deleteBookmark() {

src/main/java/eu/siacs/conversations/utils/StringUtils.java

@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2018, Daniel Gultsch All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation and/or
+ * other materials provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors
+ * may be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package eu.siacs.conversations.utils;
+
+public class StringUtils {
+
+    private static String blankOnNull(String input) {
+        return input == null ? "" : input;
+    }
+
+    public static boolean equals(String one, String two) {
+        return blankOnNull(one).equals(blankOnNull(two));
+    }
+
+    public static boolean changed(String one, String two) {
+        return !equals(one, two);
+    }
+
+}