TrackerFiltersList Class Reference

#include <transferlistfilterswidget.h>

Inheritance diagram for TrackerFiltersList:

Collaboration diagram for TrackerFiltersList:

Public Slots
void	trackerSuccess (const BitTorrent::TorrentID &id, const QString &tracker)
void	trackerError (const BitTorrent::TorrentID &id, const QString &tracker)
void	trackerWarning (const BitTorrent::TorrentID &id, const QString &tracker)
Public Slots inherited from BaseFilterWidget
void	toggleFilter (bool checked)

Public Member Functions
	TrackerFiltersList (QWidget *parent, TransferListWidget *transferList, bool downloadFavicon)
	~TrackerFiltersList () override
void	addItem (const QString &tracker, const BitTorrent::TorrentID &id)
void	removeItem (const QString &tracker, const BitTorrent::TorrentID &id)
void	changeTrackerless (bool trackerless, const BitTorrent::TorrentID &id)
void	setDownloadTrackerFavicon (bool value)
Public Member Functions inherited from BaseFilterWidget
	BaseFilterWidget (QWidget *parent, TransferListWidget *transferList)
QSize	sizeHint () const override
QSize	minimumSizeHint () const override

Private Slots
void	handleFavicoDownloadFinished (const Net::DownloadResult &result)

Private Member Functions
void	showMenu (const QPoint &) override
void	applyFilter (int row) override
void	handleNewTorrent (BitTorrent::Torrent *const torrent) override
void	torrentAboutToBeDeleted (BitTorrent::Torrent *const torrent) override
QString	trackerFromRow (int row) const
int	rowFromTracker (const QString &tracker) const
QSet< BitTorrent::TorrentID >	getTorrentIDs (int row) const
void	downloadFavicon (const QString &url)

Private Attributes
QHash< QString, QSet< BitTorrent::TorrentID > >	m_trackers
QHash< BitTorrent::TorrentID, QSet< QString > >	m_errors
QHash< BitTorrent::TorrentID, QSet< QString > >	m_warnings
QStringList	m_iconPaths
int	m_totalTorrents
bool	m_downloadTrackerFavicon

Additional Inherited Members
Protected Attributes inherited from BaseFilterWidget
TransferListWidget *	transferList

Detailed Description

Definition at line 98 of file transferlistfilterswidget.h.

Constructor & Destructor Documentation

TrackerFiltersList()

TrackerFiltersList::TrackerFiltersList	(	QWidget *	parent,
		TransferListWidget *	transferList,
		bool	downloadFavicon
	)

Definition at line 300 of file transferlistfilterswidget.cpp.

    : BaseFilterWidget(parent, transferList)
    , m_totalTorrents(0)
    , m_downloadTrackerFavicon(downloadFavicon)
{
    auto *allTrackers = new QListWidgetItem(this);
    allTrackers->setData(Qt::DisplayRole, tr("All (0)", "this is for the tracker filter"));
    allTrackers->setData(Qt::DecorationRole, UIThemeManager::instance()->getIcon("network-server"));
    auto *noTracker = new QListWidgetItem(this);
    noTracker->setData(Qt::DisplayRole, tr("Trackerless (0)"));
    noTracker->setData(Qt::DecorationRole, UIThemeManager::instance()->getIcon("network-server"));
    auto *errorTracker = new QListWidgetItem(this);
    errorTracker->setData(Qt::DisplayRole, tr("Error (0)"));
    errorTracker->setData(Qt::DecorationRole, style()->standardIcon(QStyle::SP_MessageBoxCritical));
    auto *warningTracker = new QListWidgetItem(this);
    warningTracker->setData(Qt::DisplayRole, tr("Warning (0)"));
    warningTracker->setData(Qt::DecorationRole, style()->standardIcon(QStyle::SP_MessageBoxWarning));
    m_trackers[NULL_HOST] = {};
 
    setCurrentRow(0, QItemSelectionModel::SelectCurrent);
    toggleFilter(Preferences::instance()->getTrackerFilterState());
}

References Preferences::instance(), UIThemeManager::instance(), m_trackers, anonymous_namespace{transferlistfilterswidget.cpp}::NULL_HOST, and BaseFilterWidget::toggleFilter().

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~TrackerFiltersList()

TrackerFiltersList::~TrackerFiltersList ( )

override

Definition at line 323 of file transferlistfilterswidget.cpp.

{
    for (const QString &iconPath : asConst(m_iconPaths))
        Utils::Fs::forceRemove(iconPath);
}

References asConst(), Utils::Fs::forceRemove(), and m_iconPaths.

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Member Function Documentation

addItem()

void TrackerFiltersList::addItem	(	const QString &	tracker,
		const BitTorrent::TorrentID &	id
	)

Definition at line 329 of file transferlistfilterswidget.cpp.

{
    const QString host {getHost(tracker)};
    const bool exists {m_trackers.contains(host)};
    QListWidgetItem *trackerItem {nullptr};
 
    if (exists)
    {
        if (m_trackers.value(host).contains(id))
            return;
 
        trackerItem = item((host == NULL_HOST)
            ? TRACKERLESS_ROW
            : rowFromTracker(host));
    }
    else
    {
        trackerItem = new QListWidgetItem();
        trackerItem->setData(Qt::DecorationRole, UIThemeManager::instance()->getIcon("network-server"));
 
        const QString scheme = getScheme(tracker);
        downloadFavicon(QString::fromLatin1("%1://%2/favicon.ico").arg((scheme.startsWith("http") ? scheme : "http"), host));
    }
    if (!trackerItem) return;
 
    QSet<BitTorrent::TorrentID> &torrentIDs {m_trackers[host]};
    torrentIDs.insert(id);
 
    if (host == NULL_HOST)
    {
        trackerItem->setText(tr("Trackerless (%1)").arg(torrentIDs.size()));
        if (currentRow() == TRACKERLESS_ROW)
            applyFilter(TRACKERLESS_ROW);
        return;
    }
 
    trackerItem->setText(QString::fromLatin1("%1 (%2)").arg(host, QString::number(torrentIDs.size())));
    if (exists)
    {
        if (currentRow() == rowFromTracker(host))
            applyFilter(currentRow());
        return;
    }
 
    Q_ASSERT(count() >= 4);
    const Utils::Compare::NaturalLessThan<Qt::CaseSensitive> naturalLessThan {};
    int insPos = count();
    for (int i = 4; i < count(); ++i)
    {
        if (naturalLessThan(host, item(i)->text()))
        {
            insPos = i;
            break;
        }
    }
    QListWidget::insertItem(insPos, trackerItem);
    updateGeometry();
}

References applyFilter(), downloadFavicon(), anonymous_namespace{transferlistfilterswidget.cpp}::getHost(), anonymous_namespace{transferlistfilterswidget.cpp}::getScheme(), UIThemeManager::instance(), m_trackers, anonymous_namespace{transferlistfilterswidget.cpp}::NULL_HOST, rowFromTracker(), and anonymous_namespace{transferlistfilterswidget.cpp}::TRACKERLESS_ROW.

Referenced by TransferListFiltersWidget::addTrackers(), changeTrackerless(), and handleNewTorrent().

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applyFilter()

void TrackerFiltersList::applyFilter ( int  row )

overrideprivatevirtual

Implements BaseFilterWidget.

Definition at line 576 of file transferlistfilterswidget.cpp.

{
    if (row == ALL_ROW)
        transferList->applyTrackerFilterAll();
    else if (isVisible())
        transferList->applyTrackerFilter(getTorrentIDs(row));
}

References anonymous_namespace{transferlistfilterswidget.cpp}::ALL_ROW, TransferListWidget::applyTrackerFilter(), TransferListWidget::applyTrackerFilterAll(), getTorrentIDs(), and BaseFilterWidget::transferList.

Referenced by addItem(), removeItem(), trackerError(), trackerSuccess(), and trackerWarning().

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changeTrackerless()

void TrackerFiltersList::changeTrackerless	(	bool	trackerless,
		const BitTorrent::TorrentID &	id
	)

Definition at line 433 of file transferlistfilterswidget.cpp.

{
    if (trackerless)
        addItem(NULL_HOST, id);
    else
        removeItem(NULL_HOST, id);
}

References addItem(), anonymous_namespace{transferlistfilterswidget.cpp}::NULL_HOST, and removeItem().

Referenced by TransferListFiltersWidget::changeTrackerless().

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downloadFavicon()

void TrackerFiltersList::downloadFavicon ( const QString &  url )

private

Definition at line 516 of file transferlistfilterswidget.cpp.

{
    if (!m_downloadTrackerFavicon) return;
    Net::DownloadManager::instance()->download(
                Net::DownloadRequest(url).saveToFile(true)
                , this, &TrackerFiltersList::handleFavicoDownloadFinished);
}

References Net::DownloadManager::download(), handleFavicoDownloadFinished(), Net::DownloadManager::instance(), m_downloadTrackerFavicon, and Utils::IO::saveToFile().

Referenced by addItem(), handleFavicoDownloadFinished(), and setDownloadTrackerFavicon().

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getTorrentIDs()

QSet< BitTorrent::TorrentID > TrackerFiltersList::getTorrentIDs ( int  row ) const

private

Definition at line 633 of file transferlistfilterswidget.cpp.

{
    switch (row)
    {
    case TRACKERLESS_ROW:
        return m_trackers.value(NULL_HOST);
    case ERROR_ROW:
        return {m_errors.keyBegin(), m_errors.keyEnd()};
    case WARNING_ROW:
        return {m_warnings.keyBegin(), m_warnings.keyEnd()};
    default:
        return m_trackers.value(trackerFromRow(row));
    }
}

References anonymous_namespace{transferlistfilterswidget.cpp}::ERROR_ROW, m_errors, m_trackers, m_warnings, anonymous_namespace{transferlistfilterswidget.cpp}::NULL_HOST, trackerFromRow(), anonymous_namespace{transferlistfilterswidget.cpp}::TRACKERLESS_ROW, and anonymous_namespace{transferlistfilterswidget.cpp}::WARNING_ROW.

Referenced by applyFilter().

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handleFavicoDownloadFinished

void TrackerFiltersList::handleFavicoDownloadFinished ( const Net::DownloadResult &  result )

privateslot

Definition at line 524 of file transferlistfilterswidget.cpp.

{
    if (result.status != Net::DownloadStatus::Success)
    {
        if (result.url.endsWith(".ico", Qt::CaseInsensitive))
            downloadFavicon(result.url.left(result.url.size() - 4) + ".png");
        return;
    }
 
    const QString host = getHost(result.url);
 
    if (!m_trackers.contains(host))
    {
        Utils::Fs::forceRemove(result.filePath);
        return;
    }
 
    QListWidgetItem *trackerItem = item(rowFromTracker(host));
    if (!trackerItem) return;
 
    QIcon icon(result.filePath);
    //Detect a non-decodable icon
    QList<QSize> sizes = icon.availableSizes();
    bool invalid = (sizes.isEmpty() || icon.pixmap(sizes.first()).isNull());
    if (invalid)
    {
        if (result.url.endsWith(".ico", Qt::CaseInsensitive))
            downloadFavicon(result.url.left(result.url.size() - 4) + ".png");
        Utils::Fs::forceRemove(result.filePath);
    }
    else
    {
        trackerItem->setData(Qt::DecorationRole, QIcon(result.filePath));
        m_iconPaths.append(result.filePath);
    }
}

References downloadFavicon(), Net::DownloadResult::filePath, Utils::Fs::forceRemove(), anonymous_namespace{transferlistfilterswidget.cpp}::getHost(), m_iconPaths, m_trackers, rowFromTracker(), Net::DownloadResult::status, Net::Success, and Net::DownloadResult::url.

Referenced by downloadFavicon().

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handleNewTorrent()

void TrackerFiltersList::handleNewTorrent ( BitTorrent::Torrent *const  torrent )

overrideprivatevirtual

Implements BaseFilterWidget.

Definition at line 584 of file transferlistfilterswidget.cpp.

{
    const BitTorrent::TorrentID torrentID {torrent->id()};
    const QVector<BitTorrent::TrackerEntry> trackers {torrent->trackers()};
    for (const BitTorrent::TrackerEntry &tracker : trackers)
        addItem(tracker.url, torrentID);
 
    // Check for trackerless torrent
    if (trackers.isEmpty())
        addItem(NULL_HOST, torrentID);
 
    item(ALL_ROW)->setText(tr("All (%1)", "this is for the tracker filter").arg(++m_totalTorrents));
}

References addItem(), anonymous_namespace{transferlistfilterswidget.cpp}::ALL_ROW, BitTorrent::Torrent::id(), m_totalTorrents, anonymous_namespace{transferlistfilterswidget.cpp}::NULL_HOST, and BitTorrent::Torrent::trackers().

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removeItem()

void TrackerFiltersList::removeItem	(	const QString &	tracker,
		const BitTorrent::TorrentID &	id
	)

Definition at line 388 of file transferlistfilterswidget.cpp.

{
    const QString host = getHost(tracker);
    QSet<BitTorrent::TorrentID> torrentIDs = m_trackers.value(host);
 
    if (torrentIDs.empty())
        return;
    torrentIDs.remove(id);
 
    int row = 0;
    QListWidgetItem *trackerItem = nullptr;
 
    if (!host.isEmpty())
    {
        // Remove from 'Error' and 'Warning' view
        trackerSuccess(id, tracker);
        row = rowFromTracker(host);
        trackerItem = item(row);
 
        if (torrentIDs.empty())
        {
            if (currentRow() == row)
                setCurrentRow(0, QItemSelectionModel::SelectCurrent);
            delete trackerItem;
            m_trackers.remove(host);
            updateGeometry();
            return;
        }
 
        if (trackerItem)
            trackerItem->setText(QString::fromLatin1("%1 (%2)").arg(host, QString::number(torrentIDs.size())));
    }
    else
    {
        row = 1;
        trackerItem = item(TRACKERLESS_ROW);
        trackerItem->setText(tr("Trackerless (%1)").arg(torrentIDs.size()));
    }
 
    m_trackers.insert(host, torrentIDs);
 
    if (currentRow() == row)
        applyFilter(row);
}

References applyFilter(), anonymous_namespace{transferlistfilterswidget.cpp}::getHost(), m_trackers, rowFromTracker(), anonymous_namespace{transferlistfilterswidget.cpp}::TRACKERLESS_ROW, and trackerSuccess().

Referenced by changeTrackerless(), TransferListFiltersWidget::removeTrackers(), and torrentAboutToBeDeleted().

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rowFromTracker()

int TrackerFiltersList::rowFromTracker ( const QString &  tracker ) const

private

Definition at line 622 of file transferlistfilterswidget.cpp.

{
    Q_ASSERT(!tracker.isEmpty());
    for (int i = 4; i < count(); ++i)
    {
        if (tracker == trackerFromRow(i))
            return i;
    }
    return -1;
}

References trackerFromRow().

Referenced by addItem(), handleFavicoDownloadFinished(), and removeItem().

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setDownloadTrackerFavicon()

void TrackerFiltersList::setDownloadTrackerFavicon

(

bool

value

)

Definition at line 441 of file transferlistfilterswidget.cpp.

{
    if (value == m_downloadTrackerFavicon) return;
    m_downloadTrackerFavicon = value;
 
    if (m_downloadTrackerFavicon)
    {
        for (auto i = m_trackers.cbegin(); i != m_trackers.cend(); ++i)
        {
            const QString &tracker = i.key();
            if (!tracker.isEmpty())
            {
                const QString scheme = getScheme(tracker);
                downloadFavicon(QString("%1://%2/favicon.ico")
                                .arg((scheme.startsWith("http") ? scheme : "http"), getHost(tracker)));
             }
        }
    }
}

References downloadFavicon(), anonymous_namespace{transferlistfilterswidget.cpp}::getHost(), anonymous_namespace{transferlistfilterswidget.cpp}::getScheme(), m_downloadTrackerFavicon, m_trackers, and anonymous_namespace{preferences.cpp}::value().

Referenced by TransferListFiltersWidget::setDownloadTrackerFavicon().

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showMenu()

void TrackerFiltersList::showMenu ( const QPoint &  )

overrideprivatevirtual

Implements BaseFilterWidget.

Definition at line 561 of file transferlistfilterswidget.cpp.

{
    QMenu *menu = new QMenu(this);
    menu->setAttribute(Qt::WA_DeleteOnClose);
 
    menu->addAction(UIThemeManager::instance()->getIcon("media-playback-start"), tr("Resume torrents")
        , transferList, &TransferListWidget::startVisibleTorrents);
    menu->addAction(UIThemeManager::instance()->getIcon("media-playback-pause"), tr("Pause torrents")
        , transferList, &TransferListWidget::pauseVisibleTorrents);
    menu->addAction(UIThemeManager::instance()->getIcon("edit-delete"), tr("Delete torrents")
        , transferList, &TransferListWidget::deleteVisibleTorrents);
 
    menu->popup(QCursor::pos());
}

References TransferListWidget::deleteVisibleTorrents(), UIThemeManager::instance(), TransferListWidget::pauseVisibleTorrents(), TransferListWidget::startVisibleTorrents(), and BaseFilterWidget::transferList.

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torrentAboutToBeDeleted()

void TrackerFiltersList::torrentAboutToBeDeleted ( BitTorrent::Torrent *const  torrent )

overrideprivatevirtual

Implements BaseFilterWidget.

Definition at line 598 of file transferlistfilterswidget.cpp.

{
    const BitTorrent::TorrentID torrentID {torrent->id()};
    const QVector<BitTorrent::TrackerEntry> trackers {torrent->trackers()};
    for (const BitTorrent::TrackerEntry &tracker : trackers)
        removeItem(tracker.url, torrentID);
 
    // Check for trackerless torrent
    if (trackers.isEmpty())
        removeItem(NULL_HOST, torrentID);
 
    item(ALL_ROW)->setText(tr("All (%1)", "this is for the tracker filter").arg(--m_totalTorrents));
}

References anonymous_namespace{transferlistfilterswidget.cpp}::ALL_ROW, BitTorrent::Torrent::id(), m_totalTorrents, anonymous_namespace{transferlistfilterswidget.cpp}::NULL_HOST, removeItem(), and BitTorrent::Torrent::trackers().

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trackerError

void TrackerFiltersList::trackerError ( const BitTorrent::TorrentID &  id, const QString &  tracker  )

slot

Definition at line 492 of file transferlistfilterswidget.cpp.

{
    QSet<QString> &trackers {m_errors[id]};
    if (trackers.contains(tracker))
        return;
 
    trackers.insert(tracker);
    item(ERROR_ROW)->setText(tr("Error (%1)").arg(m_errors.size()));
    if (currentRow() == ERROR_ROW)
        applyFilter(ERROR_ROW);
}

References applyFilter(), anonymous_namespace{transferlistfilterswidget.cpp}::ERROR_ROW, and m_errors.

Referenced by TransferListFiltersWidget::TransferListFiltersWidget().

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trackerFromRow()

QString TrackerFiltersList::trackerFromRow ( int  row ) const

private

Definition at line 612 of file transferlistfilterswidget.cpp.

{
    Q_ASSERT(row > 1);
    const QString tracker = item(row)->text();
    QStringList parts = tracker.split(' ');
    Q_ASSERT(parts.size() >= 2);
    parts.removeLast(); // Remove trailing number
    return parts.join(' ');
}

Referenced by getTorrentIDs(), and rowFromTracker().

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trackerSuccess

void TrackerFiltersList::trackerSuccess ( const BitTorrent::TorrentID &  id, const QString &  tracker  )

slot

Definition at line 461 of file transferlistfilterswidget.cpp.

{
    const auto errorHashesIter = m_errors.find(id);
    if (errorHashesIter != m_errors.end())
    {
        QSet<QString> &errored = *errorHashesIter;
        errored.remove(tracker);
        if (errored.empty())
        {
            m_errors.erase(errorHashesIter);
            item(ERROR_ROW)->setText(tr("Error (%1)").arg(m_errors.size()));
            if (currentRow() == ERROR_ROW)
                applyFilter(ERROR_ROW);
        }
    }
 
    const auto warningHashesIter = m_warnings.find(id);
    if (warningHashesIter != m_warnings.end())
    {
        QSet<QString> &warned = *warningHashesIter;
        warned.remove(tracker);
        if (warned.empty())
        {
            m_warnings.erase(warningHashesIter);
            item(WARNING_ROW)->setText(tr("Warning (%1)").arg(m_warnings.size()));
            if (currentRow() == WARNING_ROW)
                applyFilter(WARNING_ROW);
        }
    }
}

References applyFilter(), anonymous_namespace{transferlistfilterswidget.cpp}::ERROR_ROW, m_errors, m_warnings, and anonymous_namespace{transferlistfilterswidget.cpp}::WARNING_ROW.

Referenced by removeItem(), and TransferListFiltersWidget::TransferListFiltersWidget().

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trackerWarning

void TrackerFiltersList::trackerWarning ( const BitTorrent::TorrentID &  id, const QString &  tracker  )

slot

Definition at line 504 of file transferlistfilterswidget.cpp.

{
    QSet<QString> &trackers {m_warnings[id]};
    if (trackers.contains(tracker))
        return;
 
    trackers.insert(tracker);
    item(WARNING_ROW)->setText(tr("Warning (%1)").arg(m_warnings.size()));
    if (currentRow() == WARNING_ROW)
        applyFilter(WARNING_ROW);
}

References applyFilter(), m_warnings, and anonymous_namespace{transferlistfilterswidget.cpp}::WARNING_ROW.

Referenced by TransferListFiltersWidget::TransferListFiltersWidget().

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Member Data Documentation

m_downloadTrackerFavicon

bool TrackerFiltersList::m_downloadTrackerFavicon

private

Definition at line 138 of file transferlistfilterswidget.h.

Referenced by downloadFavicon(), and setDownloadTrackerFavicon().

m_errors

QHash<BitTorrent::TorrentID, QSet<QString> > TrackerFiltersList::m_errors

private

Definition at line 134 of file transferlistfilterswidget.h.

Referenced by getTorrentIDs(), trackerError(), and trackerSuccess().

m_iconPaths

QStringList TrackerFiltersList::m_iconPaths

private

Definition at line 136 of file transferlistfilterswidget.h.

Referenced by handleFavicoDownloadFinished(), and ~TrackerFiltersList().

m_totalTorrents

int TrackerFiltersList::m_totalTorrents

private

Definition at line 137 of file transferlistfilterswidget.h.

Referenced by handleNewTorrent(), and torrentAboutToBeDeleted().

m_trackers

QHash<QString, QSet<BitTorrent::TorrentID> > TrackerFiltersList::m_trackers

private

Definition at line 133 of file transferlistfilterswidget.h.

Referenced by addItem(), getTorrentIDs(), handleFavicoDownloadFinished(), removeItem(), setDownloadTrackerFavicon(), and TrackerFiltersList().

m_warnings

QHash<BitTorrent::TorrentID, QSet<QString> > TrackerFiltersList::m_warnings

private

Definition at line 135 of file transferlistfilterswidget.h.

Referenced by getTorrentIDs(), trackerSuccess(), and trackerWarning().

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The documentation for this class was generated from the following files:

• src/gui/transferlistfilterswidget.h
• src/gui/transferlistfilterswidget.cpp