Adds status of contact to chat message button in call panel.

resources/images/images.properties

@@ -151,6 +151,12 @@ service.gui.buttons.CHAT_BUTTON_SMALL=resources/images/impl/gui/buttons/chatSmal
 service.gui.buttons.CHAT_BUTTON_SMALL_PRESSED=resources/images/impl/gui/buttons/chatSmallPressed.png
 service.gui.buttons.CHAT_BUTTON_SMALL_ROLLOVER=resources/images/impl/gui/buttons/chatSmallRollover.png
 service.gui.buttons.CHAT_BUTTON_SMALL_WHITE=resources/images/impl/gui/buttons/chatSmallWhite.png
+service.gui.buttons.CHAT_BUTTON_ONLINE_ICON=resources/images/impl/gui/buttons/chatSmallOnline.png
+service.gui.buttons.CHAT_BUTTON_OFFLINE_ICON=resources/images/impl/gui/buttons/chatSmallOffline.png
+service.gui.buttons.CHAT_BUTTON_AWAY_ICON=resources/images/impl/gui/buttons/chatSmallAway.png
+service.gui.buttons.CHAT_BUTTON_DND_ICON=resources/images/impl/gui/buttons/chatSmallDND.png
+service.gui.buttons.CHAT_BUTTON_FFC_ICON=resources/images/impl/gui/buttons/chatSmallFree.png
+service.gui.buttons.CHAT_BUTTON_ON_THE_PHONE_ICON=resources/images/impl/gui/buttons/chatSmallPhone.png
 service.gui.buttons.ADD_CONTACT_BUTTON_SMALL=resources/images/impl/gui/buttons/addContactSmall.png
 service.gui.buttons.ADD_CONTACT_BUTTON_SMALL_PRESSED=resources/images/impl/gui/buttons/addContactSmallPressed.png
 service.gui.buttons.ADD_CONTACT_BUTTON_SMALL_ROLLOVER=resources/images/impl/gui/buttons/addContactSmallRollover.png

src/net/java/sip/communicator/impl/gui/main/call/CallPanel.java

@@ -20,6 +20,7 @@
 import net.java.sip.communicator.impl.gui.event.*;
 import net.java.sip.communicator.impl.gui.main.call.conference.*;
 import net.java.sip.communicator.impl.gui.utils.*;
+import net.java.sip.communicator.impl.gui.utils.Constants;
 import net.java.sip.communicator.plugin.desktoputil.*;
 import net.java.sip.communicator.service.contactlist.*;
 import net.java.sip.communicator.service.gui.*;
@@ -67,7 +68,8 @@ public class CallPanel
     implements ActionListener,
                PluginComponentListener,
                Skinnable,
-               ConferencePeerViewListener
+               ConferencePeerViewListener,
+               ContactPresenceStatusListener
 {
     /**
      * The chat button name.
@@ -685,6 +687,17 @@ void dispose()
             ((CallRenderer) callPanel).dispose();
         }
 
+        // clears the contact status listener
+        List<Contact> imContacts = getIMCapableCallPeers(1);
+        if(imContacts.size() == 1)
+        {
+            Contact contact = imContacts.get(0);
+            OperationSetPresence operationSetPresence =
+                contact.getProtocolProvider()
+                    .getOperationSet(OperationSetPresence.class);
+            if(operationSetPresence != null)
+                operationSetPresence.removeContactPresenceStatusListener(this);
+        }
     }
 
     /**
@@ -746,8 +759,22 @@ private void doUpdateSettingsPanelInEventDispatchThread(
          * telephony conference at this time so we do not want the chatButton
          * visible in such a scenario.
          */
+        List<Contact> imContacts = getIMCapableCallPeers(1);
         chatButton.setVisible(
-                !isConference && (getIMCapableCallPeers(1).size() == 1));
+                !isConference && (imContacts.size() == 1));
+        if(chatButton.isVisible())
+        {
+            Contact contact = imContacts.get(0);
+            OperationSetPresence operationSetPresence =
+                contact.getProtocolProvider()
+                    .getOperationSet(OperationSetPresence.class);
+            if(operationSetPresence != null)
+                operationSetPresence.addContactPresenceStatusListener(this);
+
+            chatButton.setIconImage(
+                Constants.getMessageStatusIcon(contact.getPresenceStatus()));
+            chatButton.repaint();
+        }
 
         updateHoldButtonState();
         updateMergeButtonState();
@@ -2173,6 +2200,24 @@ private void updateViewFromModelInEventDispatchThread()
         }
     }
 
+    /**
+     * Listens for contact status changes and updates the image of the
+     * chat message button.
+     * @param evt the ContactPresenceStatusChangeEvent describing the status
+     */
+    @Override
+    public void contactPresenceStatusChanged(ContactPresenceStatusChangeEvent evt)
+    {
+        Contact contact = getIMCapableCallPeers(1).get(0);
+
+        if(contact.equals(evt.getSourceContact()))
+        {
+            chatButton.setIconImage(
+                Constants.getMessageStatusIcon(contact.getPresenceStatus()));
+            chatButton.repaint();
+        }
+    }
+
     /**
      * Implements the listener which listens to events fired by the
      * <tt>CallConference</tt> depicted by this instance, the <tt>Call</tt>s

src/net/java/sip/communicator/impl/gui/utils/Constants.java

@@ -307,6 +307,63 @@ else if(connectivity < PresenceStatus.MAX_STATUS_VALUE)
         }
     }
 
+    /**
+     * Returns the image corresponding to the given presence status.
+     * @param status The presence status.
+     * @return the image corresponding to the given presence status.
+     */
+    public static BufferedImage getMessageStatusIcon(PresenceStatus status)
+    {
+        if(status != null)
+        {
+            int connectivity = status.getStatus();
+
+            if(connectivity < PresenceStatus.ONLINE_THRESHOLD)
+            {
+                return ImageLoader
+                    .getImage(ImageLoader.CHAT_BUTTON_OFFLINE_ICON);
+            }
+            else if(connectivity < PresenceStatus.AWAY_THRESHOLD)
+            {
+                return ImageLoader
+                    .getImage(ImageLoader.CHAT_BUTTON_DND_ICON);
+            }
+            else if(connectivity == PresenceStatus.AWAY_THRESHOLD)
+            {
+                // the special status On The Phone is state
+                // between DND and AWAY states.
+                return ImageLoader
+                    .getImage(ImageLoader.CHAT_BUTTON_ON_THE_PHONE_ICON);
+            }
+            else if(connectivity < PresenceStatus.AVAILABLE_THRESHOLD)
+            {
+                return ImageLoader
+                    .getImage(ImageLoader.CHAT_BUTTON_AWAY_ICON);
+            }
+            else if(connectivity
+                        < PresenceStatus.EAGER_TO_COMMUNICATE_THRESHOLD)
+            {
+                return ImageLoader
+                    .getImage(ImageLoader.CHAT_BUTTON_ONLINE_ICON);
+            }
+            else if(connectivity < PresenceStatus.MAX_STATUS_VALUE)
+            {
+                return ImageLoader
+                    .getImage(ImageLoader.CHAT_BUTTON_FFC_ICON);
+            }
+            else
+            {
+                return ImageLoader
+                    .getImage(ImageLoader.CHAT_BUTTON_OFFLINE_ICON);
+            }
+        }
+        else
+        {
+            return ImageLoader
+                .getImage(ImageLoader.CHAT_BUTTON_SMALL_WHITE);
+        }
+    }
+
     /**
      * Loads a chat window style.
      */

src/net/java/sip/communicator/impl/gui/utils/ImageLoader.java

@@ -1306,6 +1306,42 @@ public class ImageLoader
     public static final ImageID USER_USER_ON_THE_PHONE_ICON
         = new ImageID("service.gui.statusicons.USER_ON_THE_PHONE_ICON");
 
+    /**
+     * Chat button "online" icon.
+     */
+    public static final ImageID CHAT_BUTTON_ONLINE_ICON
+        = new ImageID("service.gui.buttons.CHAT_BUTTON_ONLINE_ICON");
+
+    /**
+     * Chat button "offline" icon.
+     */
+    public static final ImageID CHAT_BUTTON_OFFLINE_ICON
+        = new ImageID("service.gui.buttons.CHAT_BUTTON_OFFLINE_ICON");
+
+    /**
+     * Chat button "away" icon.
+     */
+    public static final ImageID CHAT_BUTTON_AWAY_ICON
+        = new ImageID("service.gui.buttons.CHAT_BUTTON_AWAY_ICON");
+
+    /**
+     * Chat button "free for chat" icon.
+     */
+    public static final ImageID CHAT_BUTTON_FFC_ICON
+        = new ImageID("service.gui.buttons.CHAT_BUTTON_FFC_ICON");
+
+    /**
+     * Chat button "do not disturb" icon.
+     */
+    public static final ImageID CHAT_BUTTON_DND_ICON
+        = new ImageID("service.gui.buttons.CHAT_BUTTON_DND_ICON");
+
+    /**
+     * Chat button "on the phone" icon.
+     */
+    public static final ImageID CHAT_BUTTON_ON_THE_PHONE_ICON
+        = new ImageID("service.gui.buttons.CHAT_BUTTON_ON_THE_PHONE_ICON");
+
    /**
     * Owner chatroom member.
     */