inc/alf/alfcurvepathlayoutattributesetter.h
changeset 17 3eca7e70b1b8
parent 3 4526337fb576
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3:4526337fb576 17:3eca7e70b1b8
     1 /*
       
     2 * Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). 
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:   curve path layout attribute setter header.
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #ifndef ALFCURVEPATHLAYOUTATTRIBUTESETTER_H
       
    20 #define ALFCURVEPATHLAYOUTATTRIBUTESETTER_H
       
    21 
       
    22 //includes
       
    23 
       
    24 //widget model includes
       
    25 #include "alf/alfcommonlayoutattributesetter.h"
       
    26 
       
    27 //osn includes
       
    28 #include <osn/osndefines.h>
       
    29 
       
    30 
       
    31 namespace Alf
       
    32     {
       
    33 
       
    34 /**
       
    35  *  @class AlfCurvePathLayoutAttributeSetter alfcurvepathlayoutattributesetter.h "alf/alfcurvepathlayoutattributesetter.h"
       
    36  *  The implementation of the attribute setter for setting curve path layout attributes.
       
    37  *  @see IAlfAttributeSetter
       
    38  *
       
    39  *  @lib alfwidgetmodel.lib
       
    40  *  @since S60 ?S60_version
       
    41  *  @status Draft
       
    42  *  @interfaces IAlfAttributeSetter
       
    43  */
       
    44 class AlfCurvePathLayoutAttributeSetter : public AlfCommonLayoutAttributeSetter
       
    45     {
       
    46 
       
    47 public:
       
    48 
       
    49     /**
       
    50      * Constructor.
       
    51      *
       
    52      * @param aType Type of the attribute setter.
       
    53      */
       
    54     OSN_IMPORT AlfCurvePathLayoutAttributeSetter();
       
    55 
       
    56     /**
       
    57      * Destructor.
       
    58      */
       
    59     OSN_IMPORT virtual ~AlfCurvePathLayoutAttributeSetter();
       
    60 
       
    61     /**
       
    62      * Sets an attribute value in the target visual immediately without
       
    63      * a transition.
       
    64      * @exception osncore::AlfVisualException Thrown with error code osncore::EInvalidVisual if aVisual 
       
    65      *                                        is not a curvepath layout.
       
    66      * @exception osncore::AlfDataException   Thrown with error code osncore::ECommonError if the data field  
       
    67      *                                        for data attributes is 0.
       
    68      * @exception osncore::AlfDataException   Thrown with error code osncore::ECommonError if aData  
       
    69      *                                        for data attributes is 0.
       
    70      * @exception osncore::AlfAttributeException Thrown with error code osncore::EInvalidAttribute if an  
       
    71      *                                        attempt is made to set a line attribute to a curvepath layout
       
    72      *                                        with incomplete data. See language specification on how to 
       
    73      *                                        create this attribute.
       
    74      * @exception osncore::AlfAttributeException Thrown with error code osncore::EInvalidAttribute if an  
       
    75      *                                        attempt is made to set an arc attribute to a curvepath layout
       
    76      *                                        with incomplete data. See language specification on how to 
       
    77      *                                        create this attribute.
       
    78      * @exception osncore::AlfDataException   Thrown with error code osncore::ECommonError if the attribute
       
    79      *                                        (or aData in case of data attributes) contains invalid data types
       
    80      *                                        while setting a line or arc to a curvepath layout.  
       
    81      *
       
    82      * @param aVisual The target visual. Doesn't take ownership
       
    83      * @param aContainer The container holding the new value of the attribute.
       
    84      *                   Ownership of the object is not transferred.
       
    85      * @param aData Not used currently.
       
    86      */
       
    87     OSN_IMPORT virtual void setAttributeValue (
       
    88         CAlfVisual &aVisual,
       
    89         AlfAttributeContainer* aContainer,
       
    90         IAlfMap* aData );
       
    91 
       
    92     /**
       
    93      * Deprecated! Do not use!
       
    94      * Creates a command to change the value of an attribute in the target
       
    95      * visual gradually with a transition.
       
    96      *
       
    97      * @param aVisual The target visual. Doesn't take ownership
       
    98      * @param aContainer The container holding the new value of the
       
    99      *      attribute.Ownership of the object is not transferred.
       
   100      * @param aData Not used currently.
       
   101      * @param aTransitionTime Time used for the transition.
       
   102      * @param aRefVisual Optional reference visual. If not NULL, the target
       
   103      *       value of the attribute is defined by adding the value
       
   104      *       specific by aContainer to the corresponding attribute
       
   105      *      value in the reference visual.
       
   106      * @ret The command to gradually change the attribute in the target visual
       
   107      */
       
   108     OSN_IMPORT virtual TAlfCommand* createCommand (
       
   109         CAlfVisual& aVisual,
       
   110         AlfAttributeContainer* aContainer,
       
   111         IAlfMap* aData,
       
   112         int aTransitionTime = 0,
       
   113         CAlfVisual* aRefVisual = NULL );
       
   114 
       
   115     /**
       
   116      * Creates commands to change the given attribute values in the target
       
   117      * visual gradually with a transition.
       
   118      * Then sends the commands via the ALF environment.
       
   119      *
       
   120      * @param aVisual The target visual. Doesn't take ownership
       
   121      * @param aContainer The attribute container holding attribute value(s)
       
   122      *       used by the attribute setter. Ownership is not
       
   123      *      transferred. The container can hold new values for
       
   124      *       multiple different attributes, in which case several
       
   125      *       commands are executed.
       
   126      * @param aRefVisual Optional reference visual. If not NULL, the target
       
   127      *                   value of the attribute is defined by adding the value
       
   128      *                   specific by aContainer to the corresponding attribute
       
   129      *      value in the reference visual
       
   130      */
       
   131     OSN_IMPORT virtual void createAndSendCommands (
       
   132         CAlfVisual& aVisual,
       
   133         AlfAttributeContainer* aContainer,
       
   134         CAlfVisual* aRefVisual = NULL );
       
   135 
       
   136 
       
   137 protected:
       
   138     /**
       
   139      * Sets an dynamic attribute value in the target visual using transitions
       
   140      * defined in attributes
       
   141      *
       
   142      * @param aVisual The target visual. Doesn't take ownership
       
   143      * @param aAttr The attribute to process. Doesn't take ownership
       
   144      * @param aContainer The container holding attributes. Ownership of the
       
   145      *      object is not transferred.
       
   146      */
       
   147     virtual void handleDynamicAttribute (
       
   148         CAlfVisual &aVisual,
       
   149         AlfAttribute& aAttr,
       
   150         AlfAttributeContainer& aContainer);
       
   151 
       
   152     /**
       
   153      * Sets an value for static attribute in the target visual immediately
       
   154      * without a transition using data in map.
       
   155      *
       
   156      * @param aVisual The target visual. Doesn't take ownership
       
   157      * @param aAttr The attribute to process. Doesn't take ownership
       
   158      * @param aContainer The container holding attributes. Ownership of the object
       
   159      *                   is not transferred.
       
   160      * @param aData Contains data.Ownership of the object is not transferred.
       
   161      */
       
   162     virtual void handleStaticDataAttribute ( CAlfVisual &aVisual,
       
   163             AlfAttribute& aAttr,
       
   164             AlfAttributeContainer& aContainer,
       
   165             IAlfMap* aData );
       
   166 
       
   167     /**
       
   168      * Sets an value for dynamic attribute value in the target visual using transitions and data in map.
       
   169      *
       
   170      * @param aVisual The target visual. Doesn't take ownership
       
   171      * @param aAttr The attribute to process. Doesn't take ownership
       
   172      * @param aContainer The container holding attributes. Ownership of the object is not transferred.
       
   173      * @param aData Contains data.Ownership of the object is not transferred.
       
   174      */
       
   175     virtual void handleDynamicDataAttribute ( CAlfVisual &aVisual,
       
   176             AlfAttribute& aAttr,
       
   177             AlfAttributeContainer& aContainer,
       
   178             IAlfMap* aData );
       
   179 
       
   180     /**
       
   181      * Sets an value of a static attribute to target visual immediately without a transition.
       
   182      *
       
   183      * @param aVisual The target visual. Doesn't take ownership
       
   184      * @param aAttr The attribute to process. Doesn't take ownership
       
   185      * @param aContainer The container holding attributes. Ownership of the object is not transferred.
       
   186      */
       
   187     virtual void handleStaticAttribute ( CAlfVisual &aVisual,
       
   188                                          AlfAttribute& aAttr,
       
   189                                          AlfAttributeContainer& aContainer);
       
   190 
       
   191     /**
       
   192      * Check if data in the attribute is int or float.
       
   193      * Return the value as a float value
       
   194      *
       
   195      * @param aAttr The attribute containing the value
       
   196      * @param aIndex The index of the value to be checked
       
   197      * return Content of the attribute
       
   198      */
       
   199     float floatOrInt(const AlfAttribute& aAttr, int aIndex);
       
   200 
       
   201     /**
       
   202      * Check if data in the attribute is int or float.
       
   203      * Return the value as a float value
       
   204      *
       
   205      * @param aData The variant type containing the value
       
   206      * return Content of the variant type
       
   207      */
       
   208     float floatOrIntFromData(IAlfVariantType* aData);
       
   209 
       
   210 private: // data
       
   211     };
       
   212 
       
   213     } // namespace Alf
       
   214 
       
   215 #endif // ALFCURVEPATHLAYOUTATTRIBUTESETTER_H
       
   216 // End of file
       
   217 
       
   218