--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmuifw_plat/alf_widgetmodel_api/inc/alf/ialfflowlayoutpolicy.h	Wed Sep 01 12:23:18 2010 +0100
@@ -0,0 +1,135 @@
+/*
+* 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:  flow layout policy.
+*
+*/
+
+
+#ifndef I_ALFFLOWLAYOUTPOLICY
+#define I_ALFFLOWLAYOUTPOLICY
+
+#include <alf/ialfinterfacebase.h>
+#include <alf/alftypes.h>
+
+namespace Alf
+    {
+
+namespace ialfflowlayoutpolicy
+    {
+     static const IfId Ident =
+        {
+        0, "flowlayoutpolicy"
+        };
+    }
+
+/**
+ * interface for flow layout policy. The policy-interface can be queried
+ * from the layoutmanager using the makeInterface- call. 
+ * @see IAlfLayoutManager
+ *
+ * @lib alfwidgetmodel.lib
+ * @since S60 ?S60_version
+ * @status Draft
+ */
+class IAlfFlowLayoutPolicy : public IAlfInterfaceBase
+    {
+public:
+
+    /** Flow directions. */
+    enum flowDirection
+        {
+        /**
+         * Flow horizontally. System wide layout mirroring is considered
+         * to determine whether visuals are layed from left to right
+         * or from right to left.
+         */
+        EFlowHorizontal,
+        
+        /** Flow vertically. */
+        EFlowVertical
+        };
+        
+    /** Mode flags that specify how the flow is laid out. */
+    enum flowModeFlags
+        {
+        /** Center the children perpendicular to the flow direction.
+            For example, if the flow direction is horizontal (left->right)
+            this flag will center the children vertically along the flow. */
+        EFlowModeCenterPerpendicular = 0x1,
+        
+        /** Fit the children perpendicular to the flow direction.
+            For example, if the flow direction is horizontal, the children
+            will be vertically resized to fit the layout's rectangle. */
+        EFlowModeFitPerpendicular = 0x2
+        };
+public:
+       
+    static inline const IfId& type()
+        {
+        return ialfflowlayoutpolicy::Ident;
+        }
+        
+    virtual inline ~IAlfFlowLayoutPolicy() {}
+    
+    /**
+     * Sets the direction of the flow.
+     *
+     * @param aDirection  Flow direction.
+     */    
+    virtual void setFlowDirection(enum flowDirection aDirection) = 0;
+    
+    /**
+     * returns the flow direction
+     *
+     * @param aDirection  Flow direction.
+     */    
+    virtual enum flowDirection flowDirection() const = 0;
+    
+    /**
+     * Sets the mode of the flow. The mode flags determine how the flow layout
+     * behaves.
+     *
+     * @param aMode  Mode flags (OR'd together).
+     *
+     * @see IAlfFlowLayoutPolicy::flowModeFlags
+     */
+    virtual void setMode(int aMode) = 0;
+    
+    /**
+     * Returns the mode flags of the flow.
+     *
+     * @see IAlfFlowLayoutPolicy::flowModeFlags
+     *
+     * @return  Returns the current mode flags.
+     */
+    virtual int mode() const = 0;
+
+public:
+// from base class IAlfInterfaceBase
+    
+    /**
+     * Interface getter. 
+     * @see IAlfInterfaceBase::MakeInterface
+     *
+     * @since S60 ?S60_version
+     * @param aType The type id of the queried interface.
+     * @return The queried interface, or NULL if the interface is not
+     *         supported or available.
+     */    
+    virtual IAlfInterfaceBase* makeInterface( const IfId& aType ) = 0;
+    };
+    
+    } // namespace Alf
+
+#endif // I_ALFFLOWLAYOUTPOLICY