hide message content in notifications in paranoia mode

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

@@ -234,8 +234,13 @@ public class NotificationService {
 			if (messages.size() > 0) {
 				conversation = messages.get(0).getConversation();
 				final String name = conversation.getName();
+				if (Config.PARANOID_MODE) {
+					int count = messages.size();
+					style.addLine(Html.fromHtml("<b>"+name+"</b> "+mXmppConnectionService.getResources().getQuantityString(R.plurals.x_messages,count,count)));
+				} else {
 					style.addLine(Html.fromHtml("<b>" + name + "</b> "
 							+ UIHelper.getMessagePreview(mXmppConnectionService, messages.get(0)).first));
+				}
 				names.append(name);
 				names.append(", ");
 			}
@@ -264,6 +269,10 @@ public class NotificationService {
 			mBuilder.setLargeIcon(mXmppConnectionService.getAvatarService()
 					.get(conversation, getPixel(64)));
 			mBuilder.setContentTitle(conversation.getName());
+			if (Config.PARANOID_MODE) {
+				int count = messages.size();
+				mBuilder.setContentText(mXmppConnectionService.getResources().getQuantityString(R.plurals.x_messages,count,count));
+			} else {
 				Message message;
 				if ((message = getImage(messages)) != null) {
 					modifyForImage(mBuilder, message, messages, notify);
@@ -284,6 +293,7 @@ public class NotificationService {
 							mXmppConnectionService.getString(R.string.show_location),
 							createShowLocationIntent(message));
 				}
+			}
 			mBuilder.setContentIntent(createContentIntent(conversation));
 		}
 		return mBuilder;

src/main/res/values/strings.xml

@@ -549,4 +549,8 @@
 	<string name="not_a_valid_port">This is not a valid port number</string>
 	<string name="not_valid_hostname">This is not a valid hostname</string>
 	<string name="connected_accounts">%1$d of %2$d accounts connected</string>
+	<plurals name="x_messages">
+		<item quantity="one">%d message</item>
+		<item quantity="other">%d messages</item>
+	</plurals>
 </resources>