inc/alf/alfmeshvisualattributesetter.h
branchRCL_3
changeset 26 0e9bb658ef58
parent 0 e83bab7cf002
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/inc/alf/alfmeshvisualattributesetter.h	Wed Sep 01 12:23:18 2010 +0100
@@ -0,0 +1,239 @@
+/*
+* 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:   Mesh visual attribute setter header.
+*
+*/
+
+
+#ifndef ALFMESHVISUALATTRIBUTESETTER_H
+#define ALFMESHVISUALATTRIBUTESETTER_H
+
+#include <osn/osndefines.h>
+#include "alf/alfcommonvisualattributesetter.h"
+
+class CAlfMeshVisual;
+
+namespace Alf
+    {
+class AlfMeshVisualAttributeSetterImpl;
+class AlfAttribute;
+
+/** @class AlfMeshVisualAttributeSetter alfmeshvisualattributesetter.h "alf/alfmeshvisualattributesetter.h"
+ *  The implementation of the attribute setter.
+ *
+ *  @interfaces IAlfAttributeSetter
+ *  @lib alfwidgetmodel.lib
+ *  @since S60 ?S60_version
+ *  @status Draft
+ */
+class AlfMeshVisualAttributeSetter : public AlfCommonVisualAttributeSetter
+    {
+public:
+
+    /**
+     * Constructor.
+     *
+	 * @exception std::bad_alloc     
+     * @param aType Type of the attribute setter.
+     */
+    OSN_IMPORT AlfMeshVisualAttributeSetter();
+
+    /**
+     * Destructor.
+     */
+    OSN_IMPORT virtual ~AlfMeshVisualAttributeSetter();
+
+    /**
+     * Sets an attribute value in the target visual .
+     *
+     * @exception osncore::AlfVisualException Thrown with the error code osncore::EInvalidVisual\n 
+     *										  when supplied visual is not a Mesh visual.
+     * @exception osncore::AlfDataException Thrown with the error code osncore::EInvalidVariantDataType\n 
+     *										  when no data for line visual is supplied.
+     * @exception osncore::AlfDataException Thrown with the error code osncore::EInvalidAttribute\n 
+     *										  when wrong data for line visual is supplied.
+     * @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 Used with data attributes to fetch the data.
+     */
+    OSN_IMPORT virtual void setAttributeValue(
+        CAlfVisual &aVisual,
+        AlfAttributeContainer* aContainer,
+        IAlfMap* aData);
+
+    /**
+     * 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 the 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);
+
+private:
+
+    /**
+     * 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.
+     * @param aImmediate if true, the change is immediate and time value of
+     *      the attribute is not used.
+     */
+    bool doHandleDynamicAttribute(CAlfVisual &aVisual, AlfAttribute& aAttr,
+                                  AlfAttributeContainer& aContainer, bool aImmediate = false);
+
+
+    /**
+     * 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.
+     * @param aImmediate if true, the change is immediate and time value of
+     *       the attribute is not used.
+     */
+    bool doHandleDynamicDataAttribute(CAlfVisual &aVisual, AlfAttribute& aAttr,
+                                      AlfAttributeContainer& aContainer, IAlfMap* aData, bool aImmediate = false);
+
+    /**
+     * Gets the data from map pointed by attribute's field name.
+     *
+     * @param aAttr The attribute to process. Doesn't take ownership
+     * @param aData Contains data.Ownership of the object is not transferred.
+     *
+     * @return pointer to the data from map pointed by attribute's field name.
+     */
+    IAlfVariantType* getData(AlfAttribute& aAttr, IAlfMap* aData);
+
+    /**
+     * gets the time from attribute safely.
+     *
+     * @param aAttr The attribute to process. Doesn't take ownership
+     * @param aImmediate if true, returns 0 else the time set for the attribute
+     */
+    int getTime(const AlfAttribute& aAttr, bool aImmediate = false);
+
+    enum imageCategory
+        {
+        primary,
+        secondary,
+        specular
+        };
+
+    void HandleImagePathAttribute(
+        const TPtrC8& aStringValue,
+        CAlfMeshVisual* aImageVisual,
+        imageCategory aImageCategory );
+
+private: // data
+    auto_ptr<AlfMeshVisualAttributeSetterImpl> mImpl;
+
+    };
+
+    } // namespace Alf
+
+#endif // ALFMESHVISUALATTRIBUTESETTER_H
+