--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/videocollection/videocollectionwrapper/src/videoproxymodelgeneric.cpp Fri Sep 17 08:30:05 2010 +0300
@@ -0,0 +1,699 @@
+/*
+* 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: VideoProxyModelGeneric implementation
+*
+*/
+
+// Version :
+
+// INCLUDE FILES
+#include <qstringlist.h>
+#include <qset.h>
+#include <qtimer.h>
+#include <qdatetime.h>
+#include <vcxmyvideosdefs.h>
+
+#include "videothumbnaildata.h"
+#include "videocollectioncommon.h"
+#include "videoproxymodelgeneric.h"
+#include "videolistdatamodel.h"
+#include "videocollectionclient.h"
+#include "videocollectionwrapper.h"
+#include "videocollectiontrace.h"
+
+const TMPXItemId INVALID_ID = TMPXItemId::InvalidId();
+
+// -----------------------------------------------------------------------------
+// VideoProxyModelGeneric::VideoProxyModelGeneric
+// -----------------------------------------------------------------------------
+//
+VideoProxyModelGeneric::VideoProxyModelGeneric(QObject *parent) :
+QSortFilterProxyModel(parent),
+mModel(0),
+mCollectionClient(0),
+mLevel(VideoCollectionCommon::ELevelInvalid),
+mGenericFilterId(TMPXItemId::InvalidId()),
+mGenericFilterValue(false),
+mIdleSortTimer(0),
+mWantedSortRole(VideoCollectionCommon::KeyDateTime),
+mWantedSortOrder(Qt::AscendingOrder),
+mDefaultSortRole(VideoCollectionCommon::KeyTitle)
+{
+ FUNC_LOG_ADDR(this);
+}
+
+// -----------------------------------------------------------------------------
+// VideoProxyModelGeneric::~VideoProxyModelGeneric
+// -----------------------------------------------------------------------------
+//
+VideoProxyModelGeneric::~VideoProxyModelGeneric()
+{
+ FUNC_LOG_ADDR(this);
+}
+
+// -----------------------------------------------------------------------------
+// VideoProxyModelGeneric::initialize
+// -----------------------------------------------------------------------------
+//
+int VideoProxyModelGeneric::initialize(VideoListDataModel *sourceModel)
+{
+ FUNC_LOG_ADDR(this);
+ if(!sourceModel)
+ {
+ return -1;
+ }
+ mModel = sourceModel;
+ if(!connectSignals())
+ {
+ ERROR_1(-1, "VideoProxyModelGeneric::initialize() [0x%x] failed to connect signals.", this);
+ disconnectSignals();
+ mModel = 0;
+ return -1;
+ }
+ mCollectionClient = sourceModel->getCollectionClient();
+ if(!mCollectionClient)
+ {
+ mModel = 0;
+ return -1;
+ }
+ setSourceModel(sourceModel);
+ return 0;
+}
+
+// -----------------------------------------------------------------------------
+// VideoProxyModelGeneric::connectSignals
+// -----------------------------------------------------------------------------
+//
+bool VideoProxyModelGeneric::connectSignals()
+{
+ FUNC_LOG_ADDR(this);
+
+ if(!connect(mModel, SIGNAL(modelChanged()),
+ this, SLOT(invalidate())))
+ {
+ return false;
+ }
+
+ return true;
+}
+
+// -----------------------------------------------------------------------------
+// VideoProxyModelGeneric::disconnectSignals
+// -----------------------------------------------------------------------------
+//
+void VideoProxyModelGeneric::disconnectSignals()
+{
+ FUNC_LOG_ADDR(this);
+
+ disconnect(mModel, SIGNAL(modelChanged()), this, SLOT(invalidate()));
+}
+
+// -----------------------------------------------------------------------------
+// VideoProxyModelGeneric::open
+// -----------------------------------------------------------------------------
+//
+int VideoProxyModelGeneric::open(VideoCollectionCommon::TCollectionLevels level)
+{
+ FUNC_LOG_ADDR(this);
+ INFO_2("VideoProxyModelGeneric::open() [0x%x] level: %d", this, level);
+
+ if(!mCollectionClient)
+ {
+ return -1;
+ }
+
+ if(mLevel != level)
+ {
+ INFO_1("VideoProxyModelGeneric::open() [0x%x] opening different level, invalidating.", this);
+ mLevel = level;
+ invalidateFilter();
+ // sorting call required here to setup correct sort order in cases where source model allready
+ // contains items but proxy is not yet updated. (invalidate -call does not work since it updates proxy and
+ // calls sort in different order for us to use)
+ sort(0, mWantedSortOrder);
+ }
+ // 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);
+}
+
+// -----------------------------------------------------------------------------
+// VideoProxyModelGeneric::doSorting
+// -----------------------------------------------------------------------------
+//
+void VideoProxyModelGeneric::doSorting(int sortingRole, Qt::SortOrder order,
+ bool async)
+{
+ FUNC_LOG_ADDR(this);
+ INFO_3("VideoProxyModelGeneric::doSorting() [0x%x] sortingRole: %d, order: %d", this, sortingRole, order);
+
+ if(sortingRole != VideoCollectionCommon::KeyTitle &&
+ sortingRole != VideoCollectionCommon::KeySizeValue &&
+ sortingRole != VideoCollectionCommon::KeyDateTime &&
+ sortingRole != VideoCollectionCommon::KeyNumberOfItems)
+ {
+ mWantedSortRole = mDefaultSortRole;
+ }
+ 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(processSortingSlot()));
+ }
+ mIdleSortTimer->start(0);
+ }
+ else
+ {
+ processSorting();
+ }
+}
+
+// -----------------------------------------------------------------------------
+// VideoProxyModelGeneric::getSorting
+// -----------------------------------------------------------------------------
+//
+void VideoProxyModelGeneric::getSorting(int &sortingRole, Qt::SortOrder &order)
+{
+ FUNC_LOG_ADDR(this);
+ sortingRole = mWantedSortRole;
+ order = mWantedSortOrder;
+}
+
+// -----------------------------------------------------------------------------
+// VideoProxyModelGeneric::deleteItems
+// -----------------------------------------------------------------------------
+//
+int VideoProxyModelGeneric::deleteItems(const QModelIndexList &indexList)
+{
+ FUNC_LOG_ADDR(this);
+
+ // Disable thumbnail fetching while items are removed from the model.
+ VideoThumbnailData::instance().enableBackgroundFetching(false);
+
+ 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().enableBackgroundFetching(true);
+ VideoThumbnailData::instance().startBackgroundFetching(0, 0);
+ return 0;
+ }
+ }
+
+ VideoThumbnailData::instance().enableBackgroundFetching(true);
+ return -1;
+}
+
+// -----------------------------------------------------------------------------
+// VideoProxyModelGeneric::openItem
+// -----------------------------------------------------------------------------
+//
+int VideoProxyModelGeneric::openItem(TMPXItemId mediaId)
+{
+ FUNC_LOG_ADDR(this);
+ if(mediaId != TMPXItemId::InvalidId() && mCollectionClient)
+ {
+ if(mCollectionClient->openItem(mediaId) == 0)
+ {
+ if(mediaId.iId2 != KVcxMvcMediaTypeVideo)
+ {
+ mLevel = VideoCollectionCommon::ELevelAlbum;
+ mModel->setAlbumInUse(mediaId);
+ INFO_1("VideoProxyModelGeneric::open() [0x%x] opening album or category, invalidating.", this);
+ invalidateFilter();
+ // sorting call required here to setup correct sort order in cases where source model allready
+ // contains items but proxy is not yet updated. (invalidate -call does not work since it updates proxy and
+ // calls sort in different order for us to use)
+ sort(0, mWantedSortOrder);
+ }
+ return 0;
+ }
+ }
+ return -1;
+}
+
+// -----------------------------------------------------------------------------
+// VideoProxyModelGeneric::back
+// -----------------------------------------------------------------------------
+//
+int VideoProxyModelGeneric::back()
+{
+ FUNC_LOG_ADDR(this);
+ if(mCollectionClient && mCollectionClient->back() == 0)
+ {
+ if(mLevel == VideoCollectionCommon::ELevelAlbum)
+ {
+ mLevel = VideoCollectionCommon::ELevelCategory;
+ }
+ else
+ {
+ mLevel = VideoCollectionCommon::ELevelVideos;
+ }
+ return 0;
+ }
+ return -1;
+}
+
+// -----------------------------------------------------------------------------
+// VideoProxyModelGeneric::fetchItemDetails
+// -----------------------------------------------------------------------------
+//
+int VideoProxyModelGeneric::fetchItemDetails(const QModelIndex &index)
+{
+ FUNC_LOG_ADDR(this);
+ // 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;
+}
+
+// -----------------------------------------------------------------------------
+// VideoProxyModelGeneric::lessThan
+// -----------------------------------------------------------------------------
+//
+bool VideoProxyModelGeneric::lessThan(const QModelIndex &left,
+ const QModelIndex &right) const
+{
+ if (!mModel)
+ {
+ return false;
+ }
+
+ // Do comparisation based on the role:
+ // VideoCollectionCommon::KeyTitle,
+ // VideoCollectionCommon::KeySizeValue,
+ // VideoCollectionCommon::KeyNumberOfItems,
+ // 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 == VideoCollectionCommon::KeyTitle)
+ {
+ QString leftString = leftData.toString().toUpper();
+ QString rightString = rightData.toString().toUpper();
+ return QString::localeAwareCompare(leftString, rightString) < 0;
+ }
+ else if(sRole == VideoCollectionCommon::KeySizeValue ||
+ sRole == VideoCollectionCommon::KeyNumberOfItems)
+ {
+ 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;
+}
+
+// -----------------------------------------------------------------------------
+// VideoProxyModelGeneric::filterAcceptsRow
+// -----------------------------------------------------------------------------
+//
+bool VideoProxyModelGeneric::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(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;
+}
+
+// -----------------------------------------------------------------------------
+// VideoProxyModelGeneric::getMediaIdAtIndex()
+// -----------------------------------------------------------------------------
+//
+const TMPXItemId& VideoProxyModelGeneric::getMediaIdAtIndex(const QModelIndex &index) const
+{
+ if(index.isValid())
+ {
+ int rowIndex = mapToSource(index).row();
+ if(mModel)
+ {
+ return mModel->mediaIdAtIndex(rowIndex);
+ }
+ }
+ return INVALID_ID;
+}
+
+// -----------------------------------------------------------------------------
+// VideoProxyModelGeneric::indexOfId()
+// -----------------------------------------------------------------------------
+//
+QModelIndex VideoProxyModelGeneric::indexOfId(const TMPXItemId &id)
+{
+ QModelIndex sourceIndex;
+ if(!mModel || id == TMPXItemId::InvalidId())
+ {
+ return sourceIndex;
+ }
+ sourceIndex = mModel->indexOfId(id);
+ return mapFromSource(sourceIndex);
+}
+
+// -----------------------------------------------------------------------------
+// VideoProxyModelGeneric::getMediaFilePathForId()
+// -----------------------------------------------------------------------------
+//
+QString VideoProxyModelGeneric::getMediaFilePathForId(const TMPXItemId &mediaId)
+{
+ QString filePath;
+ if(mModel)
+ {
+ filePath = mModel->mediaFilePathForId(mediaId);
+ }
+ return filePath;
+}
+
+// -----------------------------------------------------------------------------
+// VideoProxyModelGeneric::addNewAlbum()
+// -----------------------------------------------------------------------------
+//
+TMPXItemId VideoProxyModelGeneric::addNewAlbum(const QString &title)
+{
+ FUNC_LOG_ADDR(this);
+ TMPXItemId id = TMPXItemId::InvalidId();
+
+ if (mCollectionClient)
+ {
+ id = mCollectionClient->addNewAlbum(title);
+ }
+
+ return id;
+}
+
+// -----------------------------------------------------------------------------
+// VideoProxyModelGeneric::removeAlbums()
+// -----------------------------------------------------------------------------
+//
+int VideoProxyModelGeneric::removeAlbums(const QModelIndexList &indexList)
+{
+ FUNC_LOG_ADDR(this);
+ 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;
+}
+
+// -----------------------------------------------------------------------------
+// VideoProxyModelGeneric::resolveAlbumName()
+// -----------------------------------------------------------------------------
+//
+QString VideoProxyModelGeneric::resolveAlbumName(
+ const QString& albumName) const
+{
+ FUNC_LOG_ADDR(this);
+ QString resolvedName = albumName.trimmed();
+
+ // for checking names, we need to use collection list proxy model
+ // to get all existing album names including default ones
+ VideoProxyModelGeneric *collectionModel =
+ VideoCollectionWrapper::instance().getCollectionsModel();
+ 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),
+ VideoCollectionCommon::KeyTitle);
+ if (data.isValid())
+ {
+ names.insert(data.toString());
+ }
+ 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;
+}
+
+// -----------------------------------------------------------------------------
+// VideoProxyModelGeneric::addItemsInAlbum()
+// -----------------------------------------------------------------------------
+//
+int VideoProxyModelGeneric::addItemsInAlbum(TMPXItemId &albumId,
+ const QList<TMPXItemId> &mediaIds)
+{
+ FUNC_LOG_ADDR(this);
+ int err(-1);
+
+ if (mCollectionClient)
+ {
+ // add items in album
+ err = mCollectionClient->addItemsInAlbum(albumId, mediaIds);
+ }
+
+ return err;
+}
+
+// -----------------------------------------------------------------------------
+// VideoProxyModelGeneric::removeItemsFromAlbum()
+// -----------------------------------------------------------------------------
+//
+int VideoProxyModelGeneric::removeItemsFromAlbum(TMPXItemId &albumId,
+ const QList<TMPXItemId> &mediaIds)
+{
+ FUNC_LOG_ADDR(this);
+ int err(-1);
+
+ // Disable thumbnail fetching while items are removed from the model.
+ VideoThumbnailData::instance().enableBackgroundFetching(false);
+
+ if (mModel)
+ {
+ // remove items in album
+ err = mModel->removeItemsFromAlbum(albumId, mediaIds);
+ if(err > 0)
+ {
+ // if there really were items to be removed, invalid filter
+ INFO_1("VideoProxyModelGeneric::removeItemsFromAlbum() [0x%x] items removed, invaliding.", this);
+ invalidateFilter();
+ err = 0;
+ }
+ }
+
+ VideoThumbnailData::instance().enableBackgroundFetching(true);
+ return err;
+}
+
+// -----------------------------------------------------------------------------
+// VideoProxyModelGeneric::renameItem()
+// -----------------------------------------------------------------------------
+//
+int VideoProxyModelGeneric::renameItem(const TMPXItemId &itemId, const QString &newTitle)
+{
+ FUNC_LOG_ADDR(this);
+ int err(-1);
+
+ if(mCollectionClient)
+ {
+ return mCollectionClient->renameItem(itemId, newTitle);
+ }
+ return err;
+}
+
+// -----------------------------------------------------------------------------
+// VideoProxyModelGeneric::getOpenItem()
+// -----------------------------------------------------------------------------
+//
+TMPXItemId VideoProxyModelGeneric::getOpenItem() const
+{
+ FUNC_LOG_ADDR(this);
+ TMPXItemId itemId = TMPXItemId::InvalidId();
+ return itemId;
+}
+
+// -----------------------------------------------------------------------------
+// VideoProxyModelGeneric::setGenericIdFilter()
+// -----------------------------------------------------------------------------
+//
+void VideoProxyModelGeneric::setGenericIdFilter(const TMPXItemId &itemId, bool filterValue)
+{
+ FUNC_LOG_ADDR(this);
+ INFO_3("VideoProxyModelGeneric::setGenericIdFilter() [0x%x] itemId.iId2: %d, filterValue: %d", this, itemId.iId2, filterValue);
+ mGenericFilterId = itemId;
+ mGenericFilterValue = filterValue;
+ INFO_1("VideoProxyModelGeneric::setGenericIdFilter() [0x%x] invalidating.", this);
+ invalidateFilter();
+}
+
+// -----------------------------------------------------------------------------
+// VideoProxyModelGeneric::setAlbumInUse()
+// -----------------------------------------------------------------------------
+//
+void VideoProxyModelGeneric::setAlbumInUse(const TMPXItemId &albumId)
+{
+ FUNC_LOG_ADDR(this);
+ if(mModel)
+ {
+ INFO_1("VideoProxyModelGeneric::setAlbumInUse() [0x%x] invalidating.", this);
+ mModel->setAlbumInUse(albumId);
+ invalidateFilter();
+ }
+}
+
+// -----------------------------------------------------------------------------
+// VideoProxyModelGeneric::processSortingSlot
+// -----------------------------------------------------------------------------
+//
+void VideoProxyModelGeneric::processSortingSlot()
+{
+ FUNC_LOG_ADDR(this);
+ if(mIdleSortTimer)
+ {
+ mIdleSortTimer->stop();
+ }
+ processSorting();
+}
+
+// -----------------------------------------------------------------------------
+// VideoProxyModelGeneric::processSorting
+// -----------------------------------------------------------------------------
+//
+void VideoProxyModelGeneric::processSorting()
+{
+ FUNC_LOG_ADDR(this);
+
+ 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);
+ }
+
+ emit modelSorted();
+}
+
+// End of file