From 766d4bbb8f7fcaff5780a89d9ae36231d40472d2 Mon Sep 17 00:00:00 2001
From: Yana Stamcheva <yana@jitsi.org>
Date: Sat, 1 Aug 2009 10:34:37 +0000
Subject: [PATCH] Patch sumbitted by Linus Wallgren. This patch includes two
 methods allowing other bundles than the gui to obtain existing chats and the
 contact corresponding to a chat. Thanks Linus!

---
 .../communicator/impl/gui/UIServiceImpl.java  | 35 +++++++++++++++++++
 .../impl/gui/main/chat/ChatWindowManager.java | 10 ++++++
 .../communicator/service/gui/UIService.java   | 19 ++++++++++
 3 files changed, 64 insertions(+)

diff --git a/src/net/java/sip/communicator/impl/gui/UIServiceImpl.java b/src/net/java/sip/communicator/impl/gui/UIServiceImpl.java
index 6c8d274aa..ef82650d7 100644
--- a/src/net/java/sip/communicator/impl/gui/UIServiceImpl.java
+++ b/src/net/java/sip/communicator/impl/gui/UIServiceImpl.java
@@ -1137,4 +1137,39 @@ public boolean dispatchKeyEvent(KeyEvent e)
             return false;
         }
     }
+
+    /**
+     * Returns a list containing all open Chats
+     *
+     * @return  A list of all open Chats.
+     */
+    public List<Chat> getChats()
+    {
+        List<Chat> chats = new ArrayList<Chat>();
+        for (ChatPanel chat : chatWindowManager.getChatPanels())
+        {
+            chats.add(chat);
+        }
+        return chats;
+    }
+
+    /**
+     * Get the MetaContact corresponding to the chat.
+     * The chat must correspond to a one on one conversation, otherwise this
+     * method will return null.
+     *
+     * @param chat  The chat to get the MetaContact from
+     * @return      The MetaContact corresponding to the chat or null in case
+     *              it is a chat with more then one person.
+     */
+    public MetaContact getChatContact(Chat chat)
+    {
+        Object contact = ((ChatPanel) chat).getChatSession().getDescriptor();
+        // If it is a one on one conversation this would be a MetaContact
+        if (contact instanceof MetaContact)
+            return (MetaContact) contact;
+        // If not, we are talking to more then one person and we return null
+        else
+            return null;
+    }
 }
diff --git a/src/net/java/sip/communicator/impl/gui/main/chat/ChatWindowManager.java b/src/net/java/sip/communicator/impl/gui/main/chat/ChatWindowManager.java
index 057a6fbbf..ef2041075 100644
--- a/src/net/java/sip/communicator/impl/gui/main/chat/ChatWindowManager.java
+++ b/src/net/java/sip/communicator/impl/gui/main/chat/ChatWindowManager.java
@@ -542,6 +542,16 @@ public ChatPanel getMultiChat(  ChatRoom chatRoom,
         }
     }
 
+    /**
+     * Returns all open ChatPanelīs
+     *
+     * @return  A list of ChatPanels
+     */
+    public List<ChatPanel> getChatPanels()
+    {
+        return chatPanels;
+    }
+
     /**
      * Closes the selected chat tab or the window if there are no tabs.
      *
diff --git a/src/net/java/sip/communicator/service/gui/UIService.java b/src/net/java/sip/communicator/service/gui/UIService.java
index 175841ff6..6b044bccc 100644
--- a/src/net/java/sip/communicator/service/gui/UIService.java
+++ b/src/net/java/sip/communicator/service/gui/UIService.java
@@ -8,8 +8,10 @@
 
 import java.awt.*;
 import java.util.*;
+import java.util.List;
 
 import net.java.sip.communicator.service.protocol.*;
+import net.java.sip.communicator.service.contactlist.*;
 
 /**
  * The <tt>UIService</tt> offers generic access to the graphical user interface
@@ -211,6 +213,23 @@ public ExportedWindow getExportedWindow(WindowID windowID, Object[] params)
      */
     public Chat getChat(ChatRoom chatRoom);
 
+    /**
+     * Returns a list of all open Chats
+     *
+     * @return A list of all open Chats
+     */
+    public List<Chat> getChats();
+
+    /**
+     * Get the MetaContact corresponding to the chat.
+     * The chat must correspond to a one on one conversation. If it is a
+     * group chat an exception will be thrown.
+     *
+     * @param chat  The chat to get the MetaContact from
+     * @return      The MetaContact corresponding to the chat.
+     */
+    public MetaContact getChatContact(Chat chat);
+
     /**
      * Returns the selected <tt>Chat</tt>.
      *