--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/homescreensrv_plat/statemodel_api/hsistateprovider.h	Fri Mar 19 09:35:23 2010 +0200
@@ -0,0 +1,89 @@
+/*
+* Copyright (c) 2009 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:  State provider interface.
+*
+*/
+
+
+#ifndef HSISTATEPROVIDER_H
+#define HSISTATEPROVIDER_H
+
+#include <QtPlugin>
+#include <QList>
+#include <QString>
+
+class QState;
+
+/*!
+    \class HsStateToken
+    \ingroup group_hsstatemodel
+    \brief Represents a home screen state that can be created.
+    Home screen states are located in state providers. Each provider
+    exposes its contained states as state tokens. A token has all
+    the needed information for state selection and creation.
+*/
+class HsStateToken
+{
+
+public:
+
+/*!
+    The name of the library/plugin that contains the state.
+ */
+QString mLibrary;
+
+/*!
+    Uniquely identifies the state.
+*/
+    QString mUri;
+
+};
+
+/*!
+    \class IHsStateProvider
+    \ingroup group_hsstatemodel
+    \brief Defines a mechanism for retrieving a home screen state.
+    Interface that defines a mechanism for retrieving a home screen
+    state. Each home screen state provider implements this interface.
+*/
+class IHsStateProvider
+{
+
+public:
+
+/*!
+    Destructor.    
+*/
+    virtual ~IHsStateProvider() {}
+
+public:
+
+/*!
+    Returns contained states as a list of state tokens.    
+*/
+    virtual QList<HsStateToken> states() = 0;
+
+/*!
+    Creates and returns a state based on the given token.
+    \a aToken Identifies the state to be created.
+
+    Returns The created state or null in failure cases.
+*/
+    virtual QState* createState(const HsStateToken& aToken) = 0;
+
+};
+
+Q_DECLARE_INTERFACE(IHsStateProvider, "com.nokia.homescreen.istateprovider/1.0")
+
+#endif