--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mmuifw_plat/alf_widgetmodel_api/inc/alf/ialfflowlayoutpolicy.h Thu Dec 17 08:56:02 2009 +0200
@@ -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