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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Mobility Components.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qgalleryresource.h"
//Backend
#include "qmdegalleryresultset_p.h"
#include "qgallerymdsutility_p.h"
#include "qmdesession_p.h"
//Symbian
#include <mdeproperty.h>
#include <mdeobject.h>
#include <mdeobjectdef.h>
QTM_BEGIN_NAMESPACE
QMDEGalleryResultSet::QMDEGalleryResultSet(QObject *parent)
: QGalleryResultSet(parent)
, m_cursorPosition(-1)
, m_live(false)
, m_isValid(false)
{
m_itemArray.Reset();
}
QMDEGalleryResultSet::~QMDEGalleryResultSet()
{
}
int QMDEGalleryResultSet::propertyKey(const QString &property) const
{
return QDocumentGalleryMDSUtility::GetPropertyKey( property );
}
QGalleryProperty::Attributes QMDEGalleryResultSet::propertyAttributes(int key) const
{
if (key == QDocumentGalleryMDSUtility::EUri || key == QDocumentGalleryMDSUtility::EFileName ||
key == QDocumentGalleryMDSUtility::EFilePath)
return (QGalleryProperty::CanRead | QGalleryProperty::CanSort | QGalleryProperty::CanFilter );
else if (key >= QDocumentGalleryMDSUtility::EPropertyKeysLength)
return QGalleryProperty::Attributes();
else
return (QGalleryProperty::CanRead | QGalleryProperty::CanWrite | QGalleryProperty::CanSort | QGalleryProperty::CanFilter );
}
QVariant::Type QMDEGalleryResultSet::propertyType(int key) const
{
return QDocumentGalleryMDSUtility::GetPropertyType( key );
}
int QMDEGalleryResultSet::itemCount() const
{
return m_itemArray.Count();
}
bool QMDEGalleryResultSet::isValid() const
{
// Index based check
return m_cursorPosition >= 0 && m_cursorPosition < m_itemArray.Count();
}
QVariant QMDEGalleryResultSet::itemId() const
{
uint idVar = 0;
if (isValid())
idVar = m_itemArray[m_cursorPosition]->Id();
return QVariant(idVar);
}
QUrl QMDEGalleryResultSet::itemUrl() const
{
if ( isValid()) {
const QUrl url = QUrl::fromLocalFile(
QDocumentGalleryMDSUtility::s60DescToQString(m_itemArray[m_cursorPosition]->Uri()));
return url;
} else {
return QUrl();
}
}
QString QMDEGalleryResultSet::itemType() const
{
if (isValid()) {
return QDocumentGalleryMDSUtility::GetItemTypeFromMDEObject( m_itemArray[m_cursorPosition] );
} else {
QString null;
return null;
}
}
QList<QGalleryResource> QMDEGalleryResultSet::resources() const
{
QList<QGalleryResource> resources;
if (m_itemArray[m_cursorPosition]) {
const QUrl url = QUrl(
QDocumentGalleryMDSUtility::s60DescToQString(m_itemArray[m_cursorPosition]->Uri()));
QStringList propertyList;
QDocumentGalleryMDSUtility::GetDataFieldsForItemType( propertyList, itemType() );
const int count = propertyList.count();
QMap<int, QVariant> attributes;
for (int i = 0; i < count; i++) {
int propertyKey = QDocumentGalleryMDSUtility::GetPropertyKey( propertyList[i] );
QVariant value = metaData( propertyKey );
if (!value.isNull())
attributes.insert(propertyKey, value);
}
resources.append(QGalleryResource(url, attributes));
}
return resources;
}
QVariant QMDEGalleryResultSet::metaData(int key) const
{
QVariant retval;
if( !m_isValid ) {
retval.clear();
return retval;
}
CMdEObject *item = m_itemArray[m_cursorPosition];
if (item) {
TRAPD( err, QDocumentGalleryMDSUtility::GetMetaDataFieldL( item, retval, key ) );
if (err) {
retval.clear();
}
}
return retval;
}
bool QMDEGalleryResultSet::setMetaData(int key, const QVariant &value)
{
TRAPD( err,
CMdEObject* object = m_session->OpenObjectL(m_itemArray[m_cursorPosition]->Id(),
m_itemArray[m_cursorPosition]->Def());
if (!object)
User::Leave(KErrNotFound);
CleanupStack::PushL(object);
QDocumentGalleryMDSUtility::SetMetaDataFieldL(object, value, key);
m_session->CommitObjectL(*object);
CleanupStack::PopAndDestroy(object);
);
return err == KErrNone ? true: false;
}
int QMDEGalleryResultSet::currentIndex() const
{
return m_cursorPosition;
}
bool QMDEGalleryResultSet::fetch(int index)
{
const bool isValid = index >= 0 && index < m_itemArray.Count();
if (index != m_cursorPosition) {
const bool wasValid = m_isValid;
m_isValid = isValid;
m_cursorPosition = index;
if (isValid || wasValid)
emit currentItemChanged();
emit currentIndexChanged(m_cursorPosition);
}
return isValid;
}
#include "moc_qmdegalleryresultset_p.cpp"
QTM_END_NAMESPACE
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