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    16 ** GNU Lesser General Public License Usage

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    40 ****************************************************************************/

    41 #include "cnttransformthumbnail.h"

    42 #include "cntmodelextuids.h"

    43 

    44 #include "qcontactthumbnail.h"

    45 #include "cntsymbiantransformerror.h"

    46 

    47 #include <QPixmap>

    48 #include <QImage>

    49 

    50 const TSize KMaxThumbnailSize(80, 96);

    51 

    52 CntTransformThumbnail::CntTransformThumbnail() :

    53     m_thumbnailCreator(0)

    54 {

    55 }

    56 

    57 CntTransformThumbnail::~CntTransformThumbnail()

    58 {

    59     delete m_thumbnailCreator;

    60 }

    61 

    62 QList<CContactItemField *> CntTransformThumbnail::transformDetailL(const QContactDetail &detail)

    63 {

    64     if(detail.definitionName() != QContactThumbnail::DefinitionName)

    65         User::Leave(KErrArgument);

    66 

    67     QList<CContactItemField *> fieldList;

    68 

    69     //cast to thumbnail

    70     const QContactThumbnail &thumbnail(static_cast<const QContactThumbnail&>(detail));

    71 

    72     if(!thumbnail.thumbnail().isNull()) {

    73         // lazy instantiation

    74         if(!m_thumbnailCreator) {

    75             m_thumbnailCreator = new (ELeave) CntThumbnailCreator();

    76         }

    77 

    78         // Scaling is done before converting to CFbsBitmap because

    79         // toSymbianCFbsBitmap may generate a duplicate of the bitmap data

    80         // Note: scaling to thumbnail may take some time if the image is big

    81         // TODO: aspect ratio?

    82         QPixmap scaled = QPixmap::fromImage(thumbnail.thumbnail().scaled(KMaxThumbnailSize.iWidth, KMaxThumbnailSize.iHeight));

    83         CFbsBitmap* bitmap = scaled.toSymbianCFbsBitmap();

    84         CleanupStack::PushL(bitmap);

    85 

    86         m_thumbnailCreator->addThumbnailFieldL(&fieldList, bitmap, KMaxThumbnailSize);

    87         CleanupStack::Pop(bitmap); // ownership transferred

    88     }

    89 

    90     return fieldList;

    91 }

    92 

    93 QContactDetail *CntTransformThumbnail::transformItemField(const CContactItemField& field, const QContact &contact)

    94 {

    95 	Q_UNUSED(contact);

    96 

    97     QContactThumbnail *thumbnail = new QContactThumbnail();

    98 

    99     if (field.ContentType().ContainsFieldType(KUidContactFieldPicture)

   100         || field.ContentType().ContainsFieldType(KUidContactFieldVCardMapJPEG)) {

   101         // use the existing QContactAvatar (if available) in case of a pixmap

   102         // field.

   103         CContactStoreField* storage = field.StoreStorage();

   104         QImage image;

   105         HBufC8 *theThing = storage->Thing();

   106         QByteArray bytes((char*)theThing->Ptr(), theThing->Length());

   107         bool loaded = image.loadFromData(bytes, "JPG");

   108         if (loaded) {

   109             thumbnail->setThumbnail(image);

   110         } else {

   111             User::Leave(KErrInvalidContactDetail);

   112         }

   113     }

   114 

   115     return thumbnail;

   116 }

   117 

   118 bool CntTransformThumbnail::supportsField(TUint32 fieldType) const

   119 {

   120     bool ret = false;

   121     if (fieldType == KUidContactFieldPicture.iUid

   122         // Used as "extra mapping/extra field type" by thumbnail data fields

   123         || fieldType == KUidContactFieldVCardMapJPEG.iUid) {

   124         ret = true;

   125     }

   126     return ret;

   127 }

   128 

   129 bool CntTransformThumbnail::supportsDetail(QString detailName) const

   130 {

   131     bool ret = false;

   132     if (detailName == QContactThumbnail::DefinitionName) {

   133         ret = true;

   134     }

   135     return ret;

   136 }

   137 

   138 QList<TUid> CntTransformThumbnail::supportedSortingFieldTypes(QString /*detailFieldName*/) const

   139 {

   140     // Sorting not supported

   141     return QList<TUid>();

   142 }

   143 

   144 

   145 /*!

   146  * Checks whether the subtype is supported

   147  *

   148  * \a subType The subtype to be checked

   149  * \return True if this subtype is supported

   150  */

   151 bool CntTransformThumbnail::supportsSubType(const QString& /*subType*/) const

   152 {

   153     // XXX todo

   154     return false;

   155 }

   156 

   157 /*!

   158  * Returns the filed id corresponding to a field

   159  *

   160  * \a fieldName The name of the supported field

   161  * \return fieldId for the fieldName, 0  if not supported

   162  */

   163 quint32 CntTransformThumbnail::getIdForField(const QString& /*fieldName*/) const

   164 {

   165     // XXX todo

   166     return 0;

   167 }

   168 

   169 /*!

   170  * Modifies the detail definitions. The default detail definitions are

   171  * queried from QContactManagerEngine::schemaDefinitions and then modified

   172  * with this function in the transform leaf classes.

   173  *

   174  * \a definitions The detail definitions to modify.

   175  * \a contactType The contact type the definitions apply for.

   176  */

   177 void CntTransformThumbnail::detailDefinitions(QMap<QString, QContactDetailDefinition> &definitions, const QString& contactType) const

   178 {

   179     Q_UNUSED(contactType);

   180     Q_UNUSED(definitions);

   181     // Don't need to munge the definition

   182 }