added possibiltiy to set conferences as moderated (only visible in advanced mode)

src/main/java/eu/siacs/conversations/entities/MucOptions.java

@@ -23,7 +23,7 @@ public class MucOptions {
 		OUTCAST("outcast", 0, R.string.outcast),
 		NONE("none", 1, R.string.no_affiliation);
 
-		private Affiliation(String string, int rank, int resId) {
+		Affiliation(String string, int rank, int resId) {
 			this.string = string;
 			this.resId = resId;
 			this.rank = rank;
@@ -52,18 +52,20 @@ public class MucOptions {
 	}
 
 	public enum Role {
-		MODERATOR("moderator", R.string.moderator),
+		MODERATOR("moderator", R.string.moderator,3),
-		VISITOR("visitor", R.string.visitor),
+		VISITOR("visitor", R.string.visitor,1),
-		PARTICIPANT("participant", R.string.participant),
+		PARTICIPANT("participant", R.string.participant,2),
-		NONE("none", R.string.no_role);
+		NONE("none", R.string.no_role,0);
 
-		private Role(String string, int resId) {
+		private Role(String string, int resId, int rank) {
 			this.string = string;
 			this.resId = resId;
+			this.rank = rank;
 		}
 
 		private String string;
 		private int resId;
+		private int rank;
 
 		public int getResId() {
 			return resId;
@@ -73,6 +75,10 @@ public class MucOptions {
 		public String toString() {
 			return this.string;
 		}
+
+		public boolean ranks(Role role) {
+			return rank >= role.rank;
+		}
 	}
 
 	public static final int ERROR_NO_ERROR = 0;
@@ -233,6 +239,10 @@ public class MucOptions {
 		 return !membersOnly() || self.getAffiliation().ranks(Affiliation.ADMIN);
 	}
 
+	public boolean participating() {
+		return !online() || self.getRole().ranks(Role.PARTICIPANT);
+	}
+
 	public boolean membersOnly() {
 		return hasFeature("muc_membersonly");
 	}
@@ -245,6 +255,10 @@ public class MucOptions {
 		return hasFeature("muc_persistent");
 	}
 
+	public boolean moderated() {
+		return hasFeature("muc_moderated");
+	}
+
 	public void deleteUser(String name) {
 		for (int i = 0; i < users.size(); ++i) {
 			if (users.get(i).getName().equals(name)) {

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

@@ -102,11 +102,29 @@ public class ConferenceDetailsActivity extends XmppActivity implements OnConvers
 			final MucOptions mucOptions = mConversation.getMucOptions();
 			AlertDialog.Builder builder = new AlertDialog.Builder(ConferenceDetailsActivity.this);
 			builder.setTitle(R.string.conference_options);
-			String[] options = {getString(R.string.members_only),
+			final String[] options;
-					getString(R.string.non_anonymous)};
+			final boolean[] values;
-			final boolean[] values = new boolean[options.length];
+			if (mAdvancedMode) {
-			values[0] = mucOptions.membersOnly();
+				options = new String[]{
-			values[1] = mucOptions.nonanonymous();
+						getString(R.string.members_only),
+						getString(R.string.moderated),
+						getString(R.string.non_anonymous)
+				};
+				values = new boolean[]{
+						mucOptions.membersOnly(),
+						mucOptions.moderated(),
+						mucOptions.nonanonymous()
+				};
+			} else {
+				options = new String[]{
+						getString(R.string.members_only),
+						getString(R.string.non_anonymous)
+				};
+				values = new boolean[]{
+						mucOptions.membersOnly(),
+						mucOptions.nonanonymous()
+				};
+			}
 			builder.setMultiChoiceItems(options,values,new DialogInterface.OnMultiChoiceClickListener() {
 				@Override
 				public void onClick(DialogInterface dialog, int which, boolean isChecked) {
@@ -124,7 +142,12 @@ public class ConferenceDetailsActivity extends XmppActivity implements OnConvers
 					}
 					Bundle options = new Bundle();
 					options.putString("muc#roomconfig_membersonly", values[0] ? "1" : "0");
-					options.putString("muc#roomconfig_whois", values[1] ? "anyone" : "moderators");
+					if (values.length == 2) {
+						options.putString("muc#roomconfig_whois", values[1] ? "anyone" : "moderators");
+					} else if (values.length == 3) {
+						options.putString("muc#roomconfig_moderatedroom", values[1] ? "1" : "0");
+						options.putString("muc#roomconfig_whois", values[2] ? "anyone" : "moderators");
+					}
 					options.putString("muc#roomconfig_persistentroom", "1");
 					xmppConnectionService.pushConferenceConfiguration(mConversation,
 							options,
@@ -193,6 +216,7 @@ public class ConferenceDetailsActivity extends XmppActivity implements OnConvers
 						});
 			}
 		});
+		this.mAdvancedMode = getPreferences().getBoolean("advanced_muc_mode", false);
 	}
 
 	@Override
@@ -215,6 +239,7 @@ public class ConferenceDetailsActivity extends XmppActivity implements OnConvers
 			case R.id.action_advanced_mode:
 				this.mAdvancedMode = !menuItem.isChecked();
 				menuItem.setChecked(this.mAdvancedMode);
+				getPreferences().edit().putBoolean("advanced_muc_mode", mAdvancedMode).commit();
 				invalidateOptionsMenu();
 				updateView();
 				break;

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

@@ -399,7 +399,7 @@ public class ConversationActivity extends XmppActivity
 				}
 				if (this.getSelectedConversation().getMode() == Conversation.MODE_MULTI) {
 					menuContactDetails.setVisible(false);
-					menuAttach.setVisible(getSelectedConversation().getAccount().httpUploadAvailable());
+					menuAttach.setVisible(getSelectedConversation().getAccount().httpUploadAvailable() && getSelectedConversation().getMucOptions().participating());
 					menuInviteContact.setVisible(getSelectedConversation().getMucOptions().canInvite());
 					menuSecure.setVisible(!Config.HIDE_PGP_IN_UI); //if pgp is hidden conferences have no choice of encryption
 				} else {

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

@@ -320,11 +320,13 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
 	}
 
 	public void updateChatMsgHint() {
-		if (conversation.getMode() == Conversation.MODE_MULTI
+		final boolean multi = conversation.getMode() == Conversation.MODE_MULTI;
-				&& conversation.getNextCounterpart() != null) {
+		if (multi && conversation.getNextCounterpart() != null) {
 			this.mEditMessage.setHint(getString(
 					R.string.send_private_message_to,
 					conversation.getNextCounterpart().getResourcepart()));
+		} else if (multi && !conversation.getMucOptions().participating()) {
+			this.mEditMessage.setHint(R.string.you_are_not_participating);
 		} else {
 			switch (conversation.getNextEncryption()) {
 				case Message.ENCRYPTION_NONE:
@@ -664,6 +666,9 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
 		if (this.conversation.getMode() == Conversation.MODE_MULTI) {
 			this.conversation.setNextCounterpart(null);
 		}
+		boolean canWrite = this.conversation.getMode() == Conversation.MODE_SINGLE || this.conversation.getMucOptions().participating();
+		this.mEditMessage.setEnabled(canWrite);
+		this.mSendButton.setEnabled(canWrite);
 		this.mEditMessage.setKeyboardListener(null);
 		this.mEditMessage.setText("");
 		this.mEditMessage.append(this.conversation.getNextMessage());

src/main/res/values/strings.xml

@@ -440,8 +440,10 @@
 	<string name="public_conference">Publicly accessible conference</string>
 	<string name="private_conference">Private, members only conference</string>
 	<string name="conference_options">Conference options</string>
-	<string name="members_only">Private (Members only)</string>
+	<string name="members_only">Private, members only</string>
 	<string name="non_anonymous">Non-anonymous</string>
+	<string name="moderated">Moderated</string>
+	<string name="you_are_not_participating">You are not participating</string>
 	<string name="modified_conference_options">Modified conference options!</string>
 	<string name="could_not_modify_conference_options">Could not modify conference options</string>
 	<string name="never">Never</string>