diff -r 000000000000 -r e83bab7cf002 widgetmodel/alfwidgetmodel/inc/ialfhostapi.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/widgetmodel/alfwidgetmodel/inc/ialfhostapi.h	Thu Dec 17 08:56:02 2009 +0200
@@ -0,0 +1,133 @@
+/*
+* Copyright (c) 2007 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:  Interface implements by CAlfWidgetControl to provide containment
+*
+*/
+
+
+#ifndef I_ALFHOSTAPI_H
+#define I_ALFHOSTAPI_H
+
+#include <alf/ialfinterfacebase.h>
+#include <alf/alflayout.h>
+#include <alf/ialfwidgetcontrol.h>
+
+namespace Alf
+    {
+
+class IAlfLayoutManager;
+class CAlfWidgetControl;
+
+enum AlfRole
+    {
+    EChild,
+    EParent
+    };
+
+namespace alfhostapi
+    {
+static const IfId ident =
+    {
+    0, "alfhostapi"
+    };
+    }
+/**
+ * The interface for host appis used by widget controls.
+ *
+ * @lib alfwidgetmodel.lib
+ * @since S60 ?S60_version
+ * @status Draft
+ */
+class IAlfHostAPI : public IAlfInterfaceBase
+    {
+public:
+
+    static inline const IfId& type()
+        {
+        return alfhostapi::ident;
+        }
+
+    virtual inline ~IAlfHostAPI() {}
+
+    /**
+     * Sets a connection from this host to a given control.
+     * 
+     * A control can never have more than one host control. If the connected
+     * control has a host control the connection from old host control
+     * to connected control will be removed.
+     *
+     * @param aControl  Control to be connected.
+     * @param aRole     Relationship with connected control.
+     */
+    virtual void setConnection(CAlfWidgetControl& aControl, AlfRole aRole) = 0;
+
+    /**
+     * Get the connected control at given index.
+     *
+     * @param  aIndex Index of connected control.
+     * @return Connected control at given index. If index is not found returns null.
+     */
+    virtual CAlfWidgetControl* getConnection(int aIndex) const = 0;
+    
+    /**
+     * gets the number of connections
+     *
+     * @since S60 ?S60_version
+     */
+    virtual int getConnectionCount() const = 0;
+    
+    /**
+     * gets the connection index of aControl
+     *
+     * @since S60 ?S60_version
+     * @param aControl control, which index to return.
+     */
+    virtual int getConnectionIndex(CAlfWidgetControl& aControl) const = 0;
+
+    /**
+     * Removes connection with the given control.
+     *
+     * If the connected control is in the same control group with host control,
+     * it will be removed from the host control's control group.
+     * 
+     * If the connected control is in a separate control group or if the
+     * host control is not in a control group, the connected control's control
+     * group relation will not be affected.
+     *
+     * @see setConnection()
+     *
+     * @param aControl Control with which connection is to be removed.
+     */
+    virtual void removeConnection(CAlfWidgetControl& aControl) = 0;
+
+    /**
+     * Sets the base layout of control.
+     *
+     * @param aLayout Base layout.
+     */
+    virtual void setBaseLayout(IAlfLayoutManager& aLayout) = 0;
+
+    /**
+     * Returns the base layout of control.
+     *
+     * @return Base layout of control.Returns null id there is no base layout.
+     */
+    virtual IAlfLayoutManager* getBaseLayout() const = 0;
+
+
+    };
+
+    } // namespace Alf
+
+#endif // I_ALFHOSTAPI_H