--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/idlefw/plugins/devicestatus/inc/aidevicestatuscontentobserver.h	Thu Dec 17 08:54:17 2009 +0200
@@ -0,0 +1,100 @@
+/*
+* Copyright (c) 2005-2006 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:  Device status content publisher
+*
+*/
+
+
+#ifndef M_AIDEVICESTATUSCONTENTOBSERVER_H
+#define M_AIDEVICESTATUSCONTENTOBSERVER_H
+
+
+class MAiDeviceStatusPublisher;
+
+/**
+ *  @ingroup group_devicestatusplugin
+ *
+ *  Device status content publisher.
+ *
+ *  All of the publishers uses this interface to publish content.
+ *
+ *  @since S60 3.2
+ */
+class MAiDeviceStatusContentObserver
+    {
+
+protected:
+    /**
+     * Virtual destructor.
+     *
+     * This cannot be used to destroy observer object.
+     */
+     virtual ~MAiDeviceStatusContentObserver() {};
+
+public:
+
+    /**
+     * Publish unicode text.
+     *
+     * @since S60 3.2
+     * @param aPublisher is reference to publisher which is publishing.
+     * @param aContent is content id.
+     * @param aText is published text.
+     * @param aPriority is priority of the content.
+     * @return KErrNone if publish is successful, otherwise system wide error code.
+     */
+    virtual TInt Publish( MAiDeviceStatusPublisher& aPublisher, TInt aContent,
+                          const TDesC16& aText, TInt aPriority ) = 0;
+
+    /**
+     * Publish data buffer.
+     *
+     * @since S60 3.2
+     * @param aPublisher is reference to publisher which is publishing.
+     * @param aContent is content id.
+     * @param aBuf is data buffer.
+     * @param aPriority is priority of the content.
+     * @return KErrNone if publish is successful, otherwise system wide error code.
+     */
+    virtual TInt Publish( MAiDeviceStatusPublisher& aPublisher, TInt aContent,
+                          const TDesC8& aBuf, TInt aPriority ) = 0;
+
+    /**
+     * Publish resource.
+     *
+     * @since S60 3.2
+     * @param aPublisher is reference to publisher which is publishing.
+     * @param aContent is content id.
+     * @param aResource is resource id.
+     * @param aPriority is priority of the content.
+     * @return KErrNone if publish is successful, otherwise system wide error code.
+     */
+    virtual TInt Publish( MAiDeviceStatusPublisher& aPublisher, TInt aContent,
+                          TInt aResource, TInt aPriority ) = 0;
+
+    /**
+     * Clean content.
+     *
+     * @since S60 3.2
+     * @param aPublisher is reference to publisher which is publishing.
+     * @param aContent is content id.
+     * @param aPriority is priority of the content.
+     * @return KErrNone if publish is successful, otherwise system wide error code.
+     */
+    virtual TInt Clean( MAiDeviceStatusPublisher& aPublisher, TInt aContent, TInt aPriority ) = 0;
+
+    };
+
+
+#endif // M_AIDEVICESTATUSCONTENTOBSERVER_H