--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/phone_plat/telephony_bubble_extension_api/inc/telbubbleextensioninterface.h	Mon Jan 18 20:18:27 2010 +0200
@@ -0,0 +1,71 @@
+/*
+* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Bubble extension interface.
+*
+*/
+
+
+#ifndef TELBUBBLEEXTENSIONINTERFACE_H
+#define TELBUBBLEEXTENSIONINTERFACE_H
+
+#include <e32base.h>
+
+class MTelBubbleExtensionData;
+
+class MTelBubbleExtensionInterface
+    {
+public:
+
+    /**
+     * Notifies that a new customizable bubble is available.
+     *
+     * This function is called when a new bubbleheader is created. Plugin
+     * should initiate a new customization instance inside this method and
+     * store the reference to the call data.
+     *
+     * @param aCallData Reference to call data.
+     */
+    virtual void StartCustomizedBubble(
+            MTelBubbleExtensionData& aCallData ) = 0;
+
+    /**
+     * Notifies that a customizable bubble has been removed
+     *
+     * This function is called when a bubbleheader is going to be deleted.
+     * Plugin should detach all customizations related to this call and
+     * delete the local datas related to this call.
+     *
+     * @param aCallData Reference to call data.
+     */
+    virtual void StopCustomizedBubble(
+            MTelBubbleExtensionData& aCallData ) = 0;
+
+    /**
+     * Indicates that currently bubble drawing is started.
+     * Customizing is preferred to be done during this call.
+     *
+     * This function is called when the call bubbles are being updated.
+     * The call datas are updated before this function is called. Plugin should
+     * check whether any of the calls are changed so that change to the
+     * customized element is needed and make the change. Doing the
+     * changes during this method will prevent excess flickering and
+     * redraws and therefore is suggested.
+     */
+    virtual void BubbleUpdating() = 0;
+
+    };
+
+#endif // TELBUBBLEEXTENSIONINTERFACE_H
+
+// end of file