/*
* Copyright (c) 2009 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: Videosortfilterproxymodel implementation
*
*/
#include <qstringlist.h>
#include <qset.h>
#include <qtimer.h>
#include <qdatetime.h>
#include <vcxmyvideosdefs.h>
#include "videothumbnaildata.h"
#include "videocollectioncommon.h"
#include "videosortfilterproxymodel.h"
#include "videolistdatamodel.h"
#include "videocollectionclient.h"
#include "videocollectionwrapper.h"
// -----------------------------------------------------------------------------
// VideoSortFilterProxyModel::VideoSortFilterProxyModel
// -----------------------------------------------------------------------------
//
VideoSortFilterProxyModel::VideoSortFilterProxyModel(int type, QObject *parent) :
QSortFilterProxyModel(parent),
mModel(0),
mCollectionClient(0),
mType(type),
mLevel(-1),
mGenericFilterId(TMPXItemId::InvalidId()),
mGenericFilterValue(false),
mIdleSortTimer(0),
mWantedSortRole(VideoCollectionCommon::KeyDateTime)
{
// NOP
}
// -----------------------------------------------------------------------------
// VideoSortFilterProxyModel::~VideoSortFilterProxyModel
// -----------------------------------------------------------------------------
//
VideoSortFilterProxyModel::~VideoSortFilterProxyModel()
{
// NOP
}
// -----------------------------------------------------------------------------
// VideoSortFilterProxyModel::initialize
// -----------------------------------------------------------------------------
//
int VideoSortFilterProxyModel::initialize(VideoListDataModel *sourceModel)
{
if(!sourceModel)
{
return -1;
}
if(!mModel)
{
mModel = sourceModel;
if(!connectSignals())
{
disconnectSignals();
mModel = 0;
return -1;
}
mCollectionClient = mModel->getCollectionClient();
setSourceModel(sourceModel);
}
return 0;
}
// -----------------------------------------------------------------------------
// VideoSortFilterProxyModel::connectSignals
// -----------------------------------------------------------------------------
//
bool VideoSortFilterProxyModel::connectSignals()
{
if(!connect(mModel, SIGNAL(modelReady()),
this, SIGNAL(modelReady())))
{
return false;
}
if(!connect(mModel, SIGNAL(modelChanged()),
this, SIGNAL(modelChanged())))
{
return false;
}
if(mType == VideoCollectionWrapper::ECollectionContent)
{
if(!connect(mModel, SIGNAL(albumChanged()),
this, SLOT(albumChangedSlot())))
{
return false;
}
}
return true;
}
// -----------------------------------------------------------------------------
// VideoSortFilterProxyModel::disconnectSignals
// -----------------------------------------------------------------------------
//
void VideoSortFilterProxyModel::disconnectSignals()
{
disconnect(mModel, SIGNAL(modelReady()), this, SIGNAL(modelReady()));
disconnect(mModel, SIGNAL(modelChanged()), this, SIGNAL(modelChanged()));
if(mType == VideoCollectionWrapper::ECollectionContent)
{
disconnect(mModel, SIGNAL(albumChanged()), this, SLOT(albumChangedSlot()));
}
}
// -----------------------------------------------------------------------------
// VideoSortFilterProxyModel::open
// -----------------------------------------------------------------------------
//
int VideoSortFilterProxyModel::open(int level)
{
if(!mCollectionClient)
{
return -1;
}
if(mLevel != level)
{
mLevel = level;
invalidateFilter();
}
// need to call open every time to make sure all items are
// inserted to UI ( recent open might have been cancelled)
return mCollectionClient->startOpenCollection(level);
}
// -----------------------------------------------------------------------------
// VideoSortFilterProxyModel::doSorting
// -----------------------------------------------------------------------------
//
void VideoSortFilterProxyModel::doSorting(int sortingRole, Qt::SortOrder order,
bool async)
{
if((sortingRole != Qt::DisplayRole) &&
(sortingRole != VideoCollectionCommon::KeySizeValue) &&
(sortingRole != VideoCollectionCommon::KeyDateTime))
{
// default sorting order is by date
mWantedSortRole = VideoCollectionCommon::KeyDateTime;
}
else
{
mWantedSortRole = sortingRole;
}
mWantedSortOrder = order;
if(async)
{
if(mIdleSortTimer)
{
if(mIdleSortTimer->isActive())
{
mIdleSortTimer->stop();
}
}
else
{
mIdleSortTimer = new QTimer(this);
connect(mIdleSortTimer, SIGNAL(timeout()), this, SLOT(processSorting()));
}
mIdleSortTimer->start(0);
} else {
processSorting();
}
}
// -----------------------------------------------------------------------------
// VideoSortFilterProxyModel::getSorting
// -----------------------------------------------------------------------------
//
void VideoSortFilterProxyModel::getSorting(int &sortingRole, Qt::SortOrder &order)
{
sortingRole = mWantedSortRole;
order = mWantedSortOrder;
}
// -----------------------------------------------------------------------------
// VideoSortFilterProxyModel::deleteItems
// -----------------------------------------------------------------------------
//
int VideoSortFilterProxyModel::deleteItems(const QModelIndexList &indexList)
{
if(mModel)
{
QModelIndexList mappedList;
for(int i = 0; i < indexList.count(); ++i)
{
mappedList.append(mapToSource(indexList.at(i)));
}
if(mModel->removeRows(mappedList))
{
// Start fetching thumbnails at start of the model.
VideoThumbnailData::instance().startBackgroundFetching(0, 0);
return 0;
}
}
return -1;
}
// -----------------------------------------------------------------------------
// VideoSortFilterProxyModel::openItem
// -----------------------------------------------------------------------------
//
int VideoSortFilterProxyModel::openItem(TMPXItemId mediaId)
{
if(mediaId != TMPXItemId::InvalidId() && mCollectionClient)
{
if(mCollectionClient->openItem(mediaId) == 0)
{
if(mediaId.iId2 != KVcxMvcMediaTypeVideo)
{
mLevel = VideoCollectionCommon::ELevelAlbum;
mModel->setAlbumInUse(mediaId);
invalidateFilter();
}
return 0;
}
}
return -1;
}
// -----------------------------------------------------------------------------
// VideoSortFilterProxyModel::back
// -----------------------------------------------------------------------------
//
int VideoSortFilterProxyModel::back()
{
if(mCollectionClient && mCollectionClient->back() == 0)
{
if(mLevel == VideoCollectionCommon::ELevelAlbum)
{
mLevel = VideoCollectionCommon::ELevelCategory;
}
else
{
mLevel = VideoCollectionCommon::ELevelVideos;
}
return 0;
}
return -1;
}
// -----------------------------------------------------------------------------
// VideoSortFilterProxyModel::fetchItemDetails
// -----------------------------------------------------------------------------
//
int VideoSortFilterProxyModel::fetchItemDetails(const QModelIndex &index)
{
// no need to map index beforehand, because
// getMediaIdAtIndex maps it
TMPXItemId mpxId1 = getMediaIdAtIndex(index);
if(mpxId1 != TMPXItemId::InvalidId() && mCollectionClient)
{
if(mCollectionClient->getVideoDetails(mpxId1) == 0)
{
emit shortDetailsReady(mpxId1);
return 0;
}
}
return -1;
}
// -----------------------------------------------------------------------------
// VideoSortFilterProxyModel::processSorting
// -----------------------------------------------------------------------------
//
void VideoSortFilterProxyModel::processSorting()
{
if(mIdleSortTimer)
{
mIdleSortTimer->stop();
}
if(sortRole() != mWantedSortRole)
{
setSortRole(mWantedSortRole);
}
if(sortColumn() == -1 || sortOrder() != mWantedSortOrder)
{
// if sorting column is not yet setted, it indicates
// that we've setted the sorting order for the first time
// and sorting has not yet been done. After we have called sort once,
// the sort columnt gets updated and following sorts gets executed
// by setSortRole -call as long as role changes.
// Another case is when we need to change the sort order, as there is
// no other way of setting the sort order than calling sort().
sort(0, mWantedSortOrder);
}
// Start fetching thumbnails at start of the model.
VideoThumbnailData::instance().startBackgroundFetching(0, 0);
}
// -----------------------------------------------------------------------------
// VideoSortFilterProxyModel::lessThan
// -----------------------------------------------------------------------------
//
bool VideoSortFilterProxyModel::lessThan(const QModelIndex &left,
const QModelIndex &right) const
{
if (!mModel)
{
return false;
}
TMPXItemId leftId = mModel->mediaIdAtIndex(left.row());
TMPXItemId rightId = mModel->mediaIdAtIndex(right.row());
// Default categories are always first in the following order:
// Recently played (missing currently
// Captured
// Downloaded
// Podcasts (missing currently)
bool lessThan(false);
bool proceedDataSorting(false);
if(leftId.iId2 == KVcxMvcMediaTypeCategory &&
rightId.iId2 == KVcxMvcMediaTypeCategory)
{
if(leftId.iId1 == KVcxMvcCategoryIdCaptured)
{
lessThan = true;
}
else if(leftId.iId1 == KVcxMvcCategoryIdDownloads)
{
if(rightId.iId1 != KVcxMvcCategoryIdCaptured)
{
lessThan = true;
}
}
}
else if(leftId.iId2 == KVcxMvcMediaTypeCategory ||
rightId.iId2 == KVcxMvcMediaTypeCategory)
{
lessThan = (leftId.iId2 == KVcxMvcMediaTypeCategory);
}
else
{
proceedDataSorting = true;
}
if(!proceedDataSorting)
{
return mWantedSortOrder == Qt::AscendingOrder ? lessThan : !lessThan;
}
// Do comparisation based on the role:
// Qt::DisplayRole,
// VideoCollectionCommon::KeySizeValue,
// VideoCollectionCommon::KeyDateValue
//
// If role does not match, do not sort
int sRole = sortRole();
QVariant leftData = sourceModel()->data(left, sRole);
QVariant rightData = sourceModel()->data(right, sRole);
if(!leftData.isValid() || !rightData.isValid())
{
return false;
}
if(sRole == Qt::DisplayRole)
{
QString leftString = leftData.toStringList().first().toUpper();
QString rightString = rightData.toStringList().first().toUpper();
return QString::localeAwareCompare(leftString, rightString) < 0;
}
else if(sRole == VideoCollectionCommon::KeySizeValue)
{
quint32 leftSize = leftData.toUInt();
quint32 rightSize = rightData.toUInt();
return leftSize < rightSize;
}
else if(sRole == VideoCollectionCommon::KeyDateTime)
{
QDateTime leftDateTime = leftData.toDateTime();
QDateTime rightDateTime = rightData.toDateTime();
// datetime sorting role has inverted sorting order compared to other roles
return rightDateTime < leftDateTime;
}
return false;
}
// -----------------------------------------------------------------------------
// VideoSortFilterProxyModel::filterAcceptsRow
// -----------------------------------------------------------------------------
//
bool VideoSortFilterProxyModel::filterAcceptsRow(int source_row, const QModelIndex &source_parent) const
{
Q_UNUSED(source_parent);
if(!sourceModel())
return false;
if(source_row < 0 || source_row >= sourceModel()->rowCount())
{
return false;
}
TMPXItemId id = mModel->mediaIdAtIndex(source_row);
if(id == TMPXItemId::InvalidId())
{
return false;
}
if (mType == VideoCollectionWrapper::EAllVideos)
{
if(id.iId2 == KVcxMvcMediaTypeVideo)
{
return true;
}
}
else if(mType == VideoCollectionWrapper::ECollections)
{
if(mLevel == VideoCollectionCommon::ELevelCategory && id.iId2 != KVcxMvcMediaTypeVideo)
{
return true;
}
}
else if (mType == VideoCollectionWrapper::ECollectionContent)
{
// if item belongs to the open album, accept it
if (mModel->belongsToAlbum(id))
{
return true;
}
}
else if(mType == VideoCollectionWrapper::EGeneric)
{
if(mLevel == VideoCollectionCommon::ELevelVideos && id.iId2 == KVcxMvcMediaTypeVideo)
{
// filter items that belong to that album setted as filter id
// if there's no filter or setted filter is "all videos", we accept everything
if(mGenericFilterId == TMPXItemId::InvalidId() ||
(mGenericFilterId.iId1 == KVcxMvcCategoryIdAll &&
mGenericFilterId.iId2 == KVcxMvcMediaTypeCategory) ||
mGenericFilterValue == mModel->belongsToAlbum(id, mGenericFilterId))
{
return true;
}
}
else if(mLevel == VideoCollectionCommon::ELevelCategory && id.iId2 == KVcxMvcMediaTypeAlbum)
{
// we do not filter albums yet
return true;
}
}
return false;
}
// -----------------------------------------------------------------------------
// VideoSortFilterProxyModel::getMediaIdAtIndex()
// -----------------------------------------------------------------------------
//
TMPXItemId VideoSortFilterProxyModel::getMediaIdAtIndex(const QModelIndex &index) const
{
QModelIndex sourceIndex = mapToSource(index);
TMPXItemId mpxId = TMPXItemId::InvalidId();
if(mModel && sourceIndex.isValid())
{
mpxId = mModel->mediaIdAtIndex(sourceIndex.row());
}
return mpxId;
}
// -----------------------------------------------------------------------------
// VideoSortFilterProxyModel::indexOfId()
// -----------------------------------------------------------------------------
//
QModelIndex VideoSortFilterProxyModel::indexOfId(TMPXItemId id)
{
QModelIndex sourceIndex;
if(!mModel || id == TMPXItemId::InvalidId())
{
return sourceIndex;
}
sourceIndex = mModel->indexOfId(id);
return mapFromSource(sourceIndex);
}
// -----------------------------------------------------------------------------
// VideoSortFilterProxyModel::getMediaFilePathForId()
// -----------------------------------------------------------------------------
//
QString VideoSortFilterProxyModel::getMediaFilePathForId(TMPXItemId mediaId)
{
QString filePath;
if(mModel)
{
filePath = mModel->mediaFilePathForId(mediaId);
}
return filePath;
}
// -----------------------------------------------------------------------------
// VideoSortFilterProxyModel::addNewAlbum()
// -----------------------------------------------------------------------------
//
TMPXItemId VideoSortFilterProxyModel::addNewAlbum(const QString &title)
{
TMPXItemId id = TMPXItemId::InvalidId();
if (mCollectionClient)
{
id = mCollectionClient->addNewAlbum(title);
}
return id;
}
// -----------------------------------------------------------------------------
// VideoSortFilterProxyModel::removeAlbums()
// -----------------------------------------------------------------------------
//
int VideoSortFilterProxyModel::removeAlbums(const QModelIndexList &indexList)
{
int err(-1);
if (mCollectionClient)
{
TMPXItemId mpxId;
QList<TMPXItemId> ids;
for(int i = 0; i < indexList.count(); ++i)
{
mpxId = getMediaIdAtIndex(indexList.at(i));
if((mpxId != TMPXItemId::InvalidId()) && (mpxId.iId2 == KVcxMvcMediaTypeAlbum))
{
ids.append(getMediaIdAtIndex(indexList.at(i)));
}
}
if (ids.count())
{
err = mCollectionClient->removeAlbums(ids);
}
}
return err;
}
// -----------------------------------------------------------------------------
// VideoSortFilterProxyModel::resolveAlbumName()
// -----------------------------------------------------------------------------
//
QString VideoSortFilterProxyModel::resolveAlbumName(
const QString& albumName) const
{
QString resolvedName = albumName.trimmed();
// for checking names, we need to use collection list proxy model
// to get all existing album names including default ones
VideoSortFilterProxyModel *collectionModel =
VideoCollectionWrapper::instance().getModel(
VideoCollectionWrapper::ECollections);
if(!collectionModel || !mModel)
{
return resolvedName;
}
int i(0);
QModelIndex proxyIndex = collectionModel->index(i, 0);
QSet<QString> names;
QVariant data;
// create set of existing names
while (proxyIndex.isValid())
{
data = mModel->data(collectionModel->mapToSource(proxyIndex), Qt::DisplayRole);
if (data.isValid())
{
QStringList stringList = data.toStringList();
names.insert(stringList.at(0));
}
proxyIndex = collectionModel->index(++i, 0, QModelIndex());
}
i = 0;
QString firstMatch("");
// find a name that does not yet exists
while(names.contains(resolvedName))
{
if (!firstMatch.length())
{
firstMatch = resolvedName;
}
++i;
resolvedName = tr("%1 (%2)").arg(firstMatch).arg(i);
}
return resolvedName;
}
// -----------------------------------------------------------------------------
// VideoSortFilterProxyModel::addItemsInAlbum()
// -----------------------------------------------------------------------------
//
int VideoSortFilterProxyModel::addItemsInAlbum(TMPXItemId &albumId,
const QList<TMPXItemId> &mediaIds)
{
int err(-1);
if (mCollectionClient)
{
// add items in album
err = mCollectionClient->addItemsInAlbum(albumId, mediaIds);
}
return err;
}
// -----------------------------------------------------------------------------
// VideoSortFilterProxyModel::removeItemsFromAlbum()
// -----------------------------------------------------------------------------
//
int VideoSortFilterProxyModel::removeItemsFromAlbum(TMPXItemId &albumId,
const QList<TMPXItemId> &mediaIds)
{
int err(-1);
if (mModel)
{
// remove items in album
err = mModel->removeItemsFromAlbum(albumId, mediaIds);
if(err > 0)
{
// if there really were items to be removed, invalid filter
invalidateFilter();
err = 0;
}
}
return err;
}
// -----------------------------------------------------------------------------
// VideoSortFilterProxyModel::getOpenItem()
// -----------------------------------------------------------------------------
//
TMPXItemId VideoSortFilterProxyModel::getOpenItem() const
{
TMPXItemId itemId = TMPXItemId::InvalidId();
if(mModel && mCollectionClient)
{
if(mType == VideoCollectionWrapper::EAllVideos)
{
itemId.iId1 = KVcxMvcCategoryIdAll;
itemId.iId2 = KVcxMvcMediaTypeCategory;
}
else if(mType == VideoCollectionWrapper::ECollectionContent)
{
itemId = mModel->albumInUse();
}
}
return itemId;
}
// -----------------------------------------------------------------------------
// VideoSortFilterProxyModel::setGenericIdFilter()
// -----------------------------------------------------------------------------
//
void VideoSortFilterProxyModel::setGenericIdFilter(TMPXItemId itemId, bool filterValue)
{
if(mType == VideoCollectionWrapper::EGeneric)
{
mGenericFilterId = itemId;
mGenericFilterValue = filterValue;
invalidateFilter();
}
}
// -----------------------------------------------------------------------------
// VideoSortFilterProxyModel::setAlbumInUse()
// -----------------------------------------------------------------------------
//
void VideoSortFilterProxyModel::setAlbumInUse(TMPXItemId albumId)
{
mModel->setAlbumInUse(albumId);
invalidateFilter();
}
// -----------------------------------------------------------------------------
// VideoSortFilterProxyModel::albumChangedSlot()
// -----------------------------------------------------------------------------
//
void VideoSortFilterProxyModel::albumChangedSlot()
{
// ignore if not collection content model
if (mType == VideoCollectionWrapper::ECollectionContent)
{
invalidateFilter();
}
}
// end of file