--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/inc/alf/alflinevisualattributesetter.h Thu Dec 17 08:56:02 2009 +0200
@@ -0,0 +1,267 @@
+/*
+* 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: Line visual attribute setter Header.
+*
+*/
+
+
+#ifndef ALFLINEVISUALATTRIBUTESETTER_H
+#define ALFLINEVISUALATTRIBUTESETTER_H
+
+#include <osn/osndefines.h>
+#include "alf/alfcommonvisualattributesetter.h"
+
+class CAlfCurvePath;
+class CAlfLineVisual;
+
+namespace Alf
+ {
+
+class AlfLineVisualAttributeSetterImpl;
+
+/** @class AlfLineVisualAttributeSetter alflinevisualattributesetter.h
+ * "alf/alflinevisualattributesetter.h"
+ * The implementation of the attribute setter.
+ *
+ * @interfaces IAlfAttributeSetter
+ * @lib alfwidgetmodel.lib
+ * @since S60 ?S60_version
+ * @status Draft
+ */
+class AlfLineVisualAttributeSetter : public AlfCommonVisualAttributeSetter
+ {
+public:
+
+ /**
+ * Constructor.
+ *
+ * @exception std::bad_alloc
+ * @param aType Type of the attribute setter.
+ */
+ OSN_IMPORT AlfLineVisualAttributeSetter();
+
+ /**
+ * Destructor.
+ */
+ OSN_IMPORT virtual ~AlfLineVisualAttributeSetter();
+
+ /**
+ * Sets an attribute value in the target visual immediately without
+ * a transition.
+ *
+ * @exception osncore::AlfVisualException Thrown with the error code
+ * osncore::EInvalidVisual when supplied visual is not a line visual.
+ *
+ * @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 a value for static attribute in the target visual immediately
+ * without any transition using data in map.
+ *
+ * @exception osncore::AlfDataException Thrown with the error code
+ * osncore::ECommonError when empty attribute for line visual
+ * is supplied .
+ * @exception osncore::AlfAttributeException Thrown with the error code
+ * osncore::EInvalidAttribute when wrong attribute for line visual
+ * is supplied .
+ * @exception osncore::AlfAttributeException Thrown with the error code
+ * osncore::EIncompleteAttributeValues when all values of an attribute
+ * for line visual are not supplied .
+ * @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 a value for dynamic attribute value in the target visual using
+ * transitions and data in map.
+ *
+ * @exception osncore::AlfDataException Thrown with the error code
+ * osncore::ECommonError when empty attribute for line visual
+ * is supplied .
+ * @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 a value of a static attribute to target visual immediately without
+ * any transition.
+ *
+ * @exception osncore::AlfAttributeException Thrown with the error code
+ * osncore::EInvalidAttribute when wrong attribute data for line visual
+ * is supplied .
+ * @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);
+
+private:
+
+ /**
+ * Creates and returns a toolkit defined mappping function based on the
+ * attribute content.
+ * The int value-mapping function mapping is the following:
+ * 0 - KConstMappingFunction
+ * 1 - KLinearMappingFunction
+ * 2 - KSineMappingFunction
+ * 3 - KCosineMappingFunction
+ * @param aAttribute Attribute containing the deciding int value and data
+ * required for construction of the mapping function.
+ * @param aEnv Environment
+ * @result The mapping function pointer
+ */
+ MAlfMappingFunction* getMappingFunction(
+ AlfAttribute& aAttribute ,
+ CAlfEnv& aEnv);
+
+ /**
+ * Creates and returns a toolkit defined mappping function based on the
+ * container content.
+ * The int value-mapping function mapping is the following:
+ * 0 - KConstMappingFunction
+ * 1 - KLinearMappingFunction
+ * 2 - KSineMappingFunction
+ * 3 - KCosineMappingFunction
+ * @param aContainer Container containing the deciding int value and data
+ * required for construction of the mapping function.
+ * @param aEnv Environment
+ * @result The mapping function pointer
+ */
+ MAlfMappingFunction* getMappingFunctionFromContainer(
+ IAlfContainer* aContainer,
+ CAlfEnv& aEnv);
+
+
+ /**
+ * Gets the path from the line visual or creates it if does not exist
+ * @param aLineVisual Line Visual
+ * @result The curvepath
+ */
+ CAlfCurvePath* getCurvePath(CAlfLineVisual* aLineVisual);
+
+ /**
+ * 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 variant type 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
+ auto_ptr<AlfLineVisualAttributeSetterImpl> mImpl;
+ };
+
+ } // namespace Alf
+
+#endif // ALFLINEVISUALATTRIBUTESETTER_H
+