inc/alf/alfcurvepathlayoutattributesetter.h
changeset 0 e83bab7cf002
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/inc/alf/alfcurvepathlayoutattributesetter.h	Thu Dec 17 08:56:02 2009 +0200
@@ -0,0 +1,218 @@
+/*
+* 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:   curve path layout attribute setter header.
+*
+*/
+
+
+#ifndef ALFCURVEPATHLAYOUTATTRIBUTESETTER_H
+#define ALFCURVEPATHLAYOUTATTRIBUTESETTER_H
+
+//includes
+
+//widget model includes
+#include "alf/alfcommonlayoutattributesetter.h"
+
+//osn includes
+#include <osn/osndefines.h>
+
+
+namespace Alf
+    {
+
+/**
+ *  @class AlfCurvePathLayoutAttributeSetter alfcurvepathlayoutattributesetter.h "alf/alfcurvepathlayoutattributesetter.h"
+ *  The implementation of the attribute setter for setting curve path layout attributes.
+ *  @see IAlfAttributeSetter
+ *
+ *  @lib alfwidgetmodel.lib
+ *  @since S60 ?S60_version
+ *  @status Draft
+ *  @interfaces IAlfAttributeSetter
+ */
+class AlfCurvePathLayoutAttributeSetter : public AlfCommonLayoutAttributeSetter
+    {
+
+public:
+
+    /**
+     * Constructor.
+     *
+     * @param aType Type of the attribute setter.
+     */
+    OSN_IMPORT AlfCurvePathLayoutAttributeSetter();
+
+    /**
+     * Destructor.
+     */
+    OSN_IMPORT virtual ~AlfCurvePathLayoutAttributeSetter();
+
+    /**
+     * Sets an attribute value in the target visual immediately without
+     * a transition.
+     * @exception osncore::AlfVisualException Thrown with error code osncore::EInvalidVisual if aVisual 
+     *                                        is not a curvepath layout.
+     * @exception osncore::AlfDataException   Thrown with error code osncore::ECommonError if the data field  
+     *                                        for data attributes is 0.
+     * @exception osncore::AlfDataException   Thrown with error code osncore::ECommonError if aData  
+     *                                        for data attributes is 0.
+     * @exception osncore::AlfAttributeException Thrown with error code osncore::EInvalidAttribute if an  
+     *                                        attempt is made to set a line attribute to a curvepath layout
+     *                                        with incomplete data. See language specification on how to 
+     *                                        create this attribute.
+     * @exception osncore::AlfAttributeException Thrown with error code osncore::EInvalidAttribute if an  
+     *                                        attempt is made to set an arc attribute to a curvepath layout
+     *                                        with incomplete data. See language specification on how to 
+     *                                        create this attribute.
+     * @exception osncore::AlfDataException   Thrown with error code osncore::ECommonError if the attribute
+     *                                        (or aData in case of data attributes) contains invalid data types
+     *                                        while setting a line or arc to a curvepath layout.  
+     *
+     * @param aVisual The target visual. Doesn't take ownership
+     * @param aContainer The container holding the new value of the attribute.
+     *                   Ownership of the object is not transferred.
+     * @param aData Not used currently.
+     */
+    OSN_IMPORT virtual void setAttributeValue (
+        CAlfVisual &aVisual,
+        AlfAttributeContainer* aContainer,
+        IAlfMap* aData );
+
+    /**
+     * Deprecated! Do not use!
+     * Creates a command to change the value of an attribute in the target
+     * visual gradually with a transition.
+     *
+     * @param aVisual The target visual. Doesn't take ownership
+     * @param aContainer The container holding the new value of the
+     *      attribute.Ownership of the object is not transferred.
+     * @param aData Not used currently.
+     * @param aTransitionTime Time used for the transition.
+     * @param aRefVisual Optional reference visual. If not NULL, the target
+     *       value of the attribute is defined by adding the value
+     *       specific by aContainer to the corresponding attribute
+     *      value in the reference visual.
+     * @ret The command to gradually change the attribute in the target visual
+     */
+    OSN_IMPORT virtual TAlfCommand* createCommand (
+        CAlfVisual& aVisual,
+        AlfAttributeContainer* aContainer,
+        IAlfMap* aData,
+        int aTransitionTime = 0,
+        CAlfVisual* aRefVisual = NULL );
+
+    /**
+     * Creates commands to change the given attribute values in the target
+     * visual gradually with a transition.
+     * Then sends the commands via the ALF environment.
+     *
+     * @param aVisual The target visual. Doesn't take ownership
+     * @param aContainer The attribute container holding attribute value(s)
+     *       used by the attribute setter. Ownership is not
+     *      transferred. The container can hold new values for
+     *       multiple different attributes, in which case several
+     *       commands are executed.
+     * @param aRefVisual Optional reference visual. If not NULL, the target
+     *                   value of the attribute is defined by adding the value
+     *                   specific by aContainer to the corresponding attribute
+     *      value in the reference visual
+     */
+    OSN_IMPORT virtual void createAndSendCommands (
+        CAlfVisual& aVisual,
+        AlfAttributeContainer* aContainer,
+        CAlfVisual* aRefVisual = NULL );
+
+
+protected:
+    /**
+     * Sets an dynamic attribute value in the target visual using transitions
+     * defined in attributes
+     *
+     * @param aVisual The target visual. Doesn't take ownership
+     * @param aAttr The attribute to process. Doesn't take ownership
+     * @param aContainer The container holding attributes. Ownership of the
+     *      object is not transferred.
+     */
+    virtual void handleDynamicAttribute (
+        CAlfVisual &aVisual,
+        AlfAttribute& aAttr,
+        AlfAttributeContainer& aContainer);
+
+    /**
+     * Sets an value for static attribute in the target visual immediately
+     * without a transition using data in map.
+     *
+     * @param aVisual The target visual. Doesn't take ownership
+     * @param aAttr The attribute to process. Doesn't take ownership
+     * @param aContainer The container holding attributes. Ownership of the object
+     *                   is not transferred.
+     * @param aData Contains data.Ownership of the object is not transferred.
+     */
+    virtual void handleStaticDataAttribute ( CAlfVisual &aVisual,
+            AlfAttribute& aAttr,
+            AlfAttributeContainer& aContainer,
+            IAlfMap* aData );
+
+    /**
+     * Sets an value for dynamic attribute value in the target visual using transitions and data in map.
+     *
+     * @param aVisual The target visual. Doesn't take ownership
+     * @param aAttr The attribute to process. Doesn't take ownership
+     * @param aContainer The container holding attributes. Ownership of the object is not transferred.
+     * @param aData Contains data.Ownership of the object is not transferred.
+     */
+    virtual void handleDynamicDataAttribute ( CAlfVisual &aVisual,
+            AlfAttribute& aAttr,
+            AlfAttributeContainer& aContainer,
+            IAlfMap* aData );
+
+    /**
+     * Sets an value of a static attribute to target visual immediately without a transition.
+     *
+     * @param aVisual The target visual. Doesn't take ownership
+     * @param aAttr The attribute to process. Doesn't take ownership
+     * @param aContainer The container holding attributes. Ownership of the object is not transferred.
+     */
+    virtual void handleStaticAttribute ( CAlfVisual &aVisual,
+                                         AlfAttribute& aAttr,
+                                         AlfAttributeContainer& aContainer);
+
+    /**
+     * Check if data in the attribute is int or float.
+     * Return the value as a float value
+     *
+     * @param aAttr The attribute containing the value
+     * @param aIndex The index of the value to be checked
+     * return Content of the attribute
+     */
+    float floatOrInt(const AlfAttribute& aAttr, int aIndex);
+
+    /**
+     * Check if data in the attribute is int or float.
+     * Return the value as a float value
+     *
+     * @param aData The variant type containing the value
+     * return Content of the variant type
+     */
+    float floatOrIntFromData(IAlfVariantType* aData);
+
+private: // data
+    };
+
+    } // namespace Alf
+
+#endif // ALFCURVEPATHLAYOUTATTRIBUTESETTER_H
+// End of file
+
+