Updates chat room configuration button on local user role change.

resources/languages/resources.properties

@@ -103,7 +103,7 @@ service.gui.CHANGE_VIDEO_QUALITY=Change remote video quality
 service.gui.CHAT_ROOM_ALREADY_JOINED=The {0} chat room is already joined.
 service.gui.CHAT_ROOM_CONFIGURATION={0} chat room configuration
 service.gui.CHAT_ROOM_CONFIGURATION_FAILED=Failed to obtain the {0} chat room configuration form.
-service.gui.CHAT_ROOM_CONFIGURATION_FORBIDDEN=Could not obtain the {0} chat room configuration form. Only administrators of the chat room could see and change the configuration form.
+service.gui.CHAT_ROOM_CONFIGURATION_FORBIDDEN=Could not obtain the {0} chat room configuration form. Only owners of the chat room could see and change the configuration form.
 service.gui.CHAT_ROOM_CONFIGURATION_SUBMIT_FAILED=An error occurred while trying to submit the configuration form for chat room {0}.
 service.gui.CHAT_ROOM_USER_JOINED=has joined {0}
 service.gui.CHAT_ROOM_USER_LEFT=has left {0}

src/net/java/sip/communicator/impl/gui/main/chat/conference/ChatRoomSubjectPanel.java

@@ -15,6 +15,7 @@
 import net.java.sip.communicator.impl.gui.utils.*;
 import net.java.sip.communicator.plugin.desktoputil.*;
 import net.java.sip.communicator.service.protocol.*;
+import net.java.sip.communicator.service.protocol.event.*;
 import net.java.sip.communicator.util.*;
 import net.java.sip.communicator.util.skin.*;
 
@@ -30,7 +31,8 @@
  */
 public class ChatRoomSubjectPanel
     extends TransparentPanel
-    implements Skinnable
+    implements Skinnable,
+               ChatRoomLocalUserRoleListener
 {
     /**
      * The <tt>Logger</tt> used by the <tt>ChatRoomSubjectPanel</tt> class and
@@ -79,23 +81,45 @@ public ChatRoomSubjectPanel(ConferenceChatSession chatSession)
         add(subjectLabel, BorderLayout.WEST);
         add(subjectField, BorderLayout.CENTER);
 
+        chatSession.addLocalUserRoleListener(this);
+        updateConfigButton();
+    }
+
+    /**
+     * Updates the config button state add or remove depending on the
+     * user role.
+     */
+    private synchronized void updateConfigButton()
+    {
         ChatRoomMemberRole role = ((ChatRoomWrapper)chatSession.getDescriptor())
                 .getChatRoom().getUserRole();
 
         if(!ConfigurationUtils.isChatRoomConfigDisabled()
-            && (role.equals(ChatRoomMemberRole.ADMINISTRATOR)
+            && role.equals(ChatRoomMemberRole.OWNER))
-                || role.equals(ChatRoomMemberRole.MODERATOR)
-                || role.equals(ChatRoomMemberRole.OWNER)))
         {
-            configButton
+            if(configButton == null)
-                = new JButton(
+            {
-                        new ImageIcon(
+                configButton
-                                ImageLoader.getImage(
+                    = new JButton(
-                                        ImageLoader.CHAT_ROOM_CONFIG)));
+                            new ImageIcon(
-            configButton.setPreferredSize(new Dimension(26, 26));
+                                    ImageLoader.getImage(
-            configButton.addActionListener(new ConfigButtonActionListener());
+                                            ImageLoader.CHAT_ROOM_CONFIG)));
-
+                configButton.setPreferredSize(new Dimension(26, 26));
-            add(configButton, BorderLayout.EAST);
+                configButton.addActionListener(new ConfigButtonActionListener());
+
+                add(configButton, BorderLayout.EAST);
+
+                revalidate();
+                repaint();
+            }
+        }
+        else if(configButton != null)
+        {
+            remove(configButton);
+            configButton = null;
+
+            revalidate();
+            repaint();
         }
     }
 
@@ -123,6 +147,29 @@ public void setSubject(String subject)
         subjectField.setText(subject);
     }
 
+    /**
+     * Fired when local user role has changed.
+     * @param evt the <tt>ChatRoomLocalUserRoleChangeEvent</tt> instance
+     */
+    @Override
+    public void localUserRoleChanged(final ChatRoomLocalUserRoleChangeEvent evt)
+    {
+        if(!SwingUtilities.isEventDispatchThread())
+        {
+            SwingUtilities.invokeLater(new Runnable()
+            {
+                @Override
+                public void run()
+                {
+                    localUserRoleChanged(evt);
+                }
+            });
+            return;
+        }
+
+        updateConfigButton();
+    }
+
     /**
      * Opens the configuration dialog when the configure buttons is pressed.
      */