344 lines
12 KiB
C++
344 lines
12 KiB
C++
/*
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* This file Copyright (C) 2009-2015 Mnemosyne LLC
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*
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* It may be used under the GNU GPL versions 2 or 3
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* or any future license endorsed by Mnemosyne LLC.
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*
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* $Id$
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*/
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#include <QAbstractTextDocumentLayout>
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#include <QApplication>
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#include <QPainter>
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#include <QPixmap>
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#include <QTextDocument>
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#include <libtransmission/transmission.h>
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#include <libtransmission/utils.h>
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#include "FaviconCache.h"
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#include "Formatter.h"
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#include "Torrent.h"
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#include "TrackerDelegate.h"
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#include "TrackerModel.h"
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#include "Utils.h"
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/***
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****
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***/
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namespace
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{
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const int mySpacing = 6;
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const QSize myMargin (10, 10);
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class ItemLayout
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{
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private:
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QTextDocument myTextDocument;
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public:
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QRect iconRect;
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QRect textRect;
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public:
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ItemLayout(const QString& text, bool suppressColors, Qt::LayoutDirection direction,
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const QPoint& topLeft, int width);
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QSize size () const
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{
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return (iconRect | textRect).size ();
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}
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QAbstractTextDocumentLayout * textLayout () const
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{
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return myTextDocument.documentLayout ();
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}
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};
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ItemLayout::ItemLayout(const QString& text, bool suppressColors, Qt::LayoutDirection direction,
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const QPoint& topLeft, int width)
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{
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const QStyle * style (qApp->style ());
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const QSize iconSize = FaviconCache::getIconSize ();
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QRect baseRect (topLeft, QSize (width, 0));
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iconRect = style->alignedRect (direction, Qt::AlignLeft | Qt::AlignTop, iconSize, baseRect);
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Utils::narrowRect (baseRect, iconSize.width () + mySpacing, 0, direction);
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myTextDocument.setDocumentMargin (0);
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myTextDocument.setTextWidth (baseRect.width ());
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QTextOption textOption;
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textOption.setTextDirection (direction);
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if (suppressColors)
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textOption.setFlags (QTextOption::SuppressColors);
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myTextDocument.setDefaultTextOption (textOption);
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myTextDocument.setHtml (text);
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textRect = baseRect;
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textRect.setSize (myTextDocument.size ().toSize ());
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}
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}
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QSize
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TrackerDelegate::margin (const QStyle& style) const
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{
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Q_UNUSED (style);
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return myMargin;
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}
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/***
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****
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***/
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QSize
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TrackerDelegate::sizeHint (const QStyleOptionViewItem & option,
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const TrackerInfo & info) const
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{
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const ItemLayout layout (getText (info), true, option.direction, QPoint (0, 0), option.rect.width () - myMargin.width () * 2);
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return layout.size () + myMargin * 2;
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}
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QSize
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TrackerDelegate::sizeHint (const QStyleOptionViewItem & option,
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const QModelIndex & index) const
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{
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const TrackerInfo trackerInfo = index.data (TrackerModel::TrackerRole).value<TrackerInfo>();
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return sizeHint (option, trackerInfo);
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}
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void
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TrackerDelegate::paint (QPainter * painter,
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const QStyleOptionViewItem & option,
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const QModelIndex & index) const
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{
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const TrackerInfo trackerInfo = index.data (TrackerModel::TrackerRole).value<TrackerInfo>();
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painter->save();
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painter->setClipRect (option.rect);
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drawBackground (painter, option, index);
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drawTracker (painter, option, trackerInfo);
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drawFocus(painter, option, option.rect);
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painter->restore();
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}
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void
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TrackerDelegate::drawTracker (QPainter * painter,
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const QStyleOptionViewItem & option,
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const TrackerInfo & inf) const
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{
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const bool isItemSelected ((option.state & QStyle::State_Selected) != 0);
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const bool isItemEnabled ((option.state & QStyle::State_Enabled) != 0);
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const bool isItemActive ((option.state & QStyle::State_Active) != 0);
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QIcon trackerIcon (inf.st.getFavicon());
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const QRect contentRect (option.rect.adjusted (myMargin.width (), myMargin.height (), -myMargin.width (), -myMargin.height ()));
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const ItemLayout layout (getText (inf), isItemSelected, option.direction, contentRect.topLeft (), contentRect.width ());
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painter->save();
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if (isItemSelected)
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{
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QPalette::ColorGroup cg = isItemEnabled ? QPalette::Normal : QPalette::Disabled;
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if (cg == QPalette::Normal && !isItemActive)
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cg = QPalette::Inactive;
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painter->fillRect (option.rect, option.palette.brush (cg, QPalette::Highlight));
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}
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trackerIcon.paint (painter, layout.iconRect, Qt::AlignCenter, isItemSelected ? QIcon::Selected : QIcon::Normal, QIcon::On);
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QAbstractTextDocumentLayout::PaintContext paintContext;
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paintContext.clip = layout.textRect.translated (-layout.textRect.topLeft ());
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paintContext.palette.setColor (QPalette::Text, option.palette.color (isItemSelected ? QPalette::HighlightedText : QPalette::Text));
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painter->translate (layout.textRect.topLeft());
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layout.textLayout ()->draw (painter, paintContext);
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painter->restore();
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}
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void
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TrackerDelegate::setShowMore (bool b)
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{
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myShowMore = b;
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}
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namespace
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{
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QString timeToStringRounded (int seconds)
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{
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if (seconds > 60)
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seconds -= (seconds % 60);
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return Formatter::timeToString (seconds);
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}
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}
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QString
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TrackerDelegate::getText (const TrackerInfo& inf) const
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{
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QString key;
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QString str;
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const time_t now (time (0));
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const QString err_markup_begin = QLatin1String ("<span style=\"color:red\">");
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const QString err_markup_end = QLatin1String ("</span>");
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const QString timeout_markup_begin = QLatin1String ("<span style=\"color:#224466\">");
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const QString timeout_markup_end = QLatin1String ("</span>");
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const QString success_markup_begin = QLatin1String ("<span style=\"color:#008B00\">");
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const QString success_markup_end = QLatin1String ("</span>");
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// hostname
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str += inf.st.isBackup ? QLatin1String ("<i>") : QLatin1String ("<b>");
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char * host = NULL;
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int port = 0;
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tr_urlParse (inf.st.announce.toUtf8().constData(), -1, NULL, &host, &port, NULL);
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str += QString::fromLatin1 ("%1:%2").arg (QString::fromUtf8 (host)).arg (port);
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tr_free (host);
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if (!key.isEmpty()) str += QLatin1String (" - ") + key;
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str += inf.st.isBackup ? QLatin1String ("</i>") : QLatin1String ("</b>");
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// announce & scrape info
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if (!inf.st.isBackup)
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{
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if (inf.st.hasAnnounced && inf.st.announceState != TR_TRACKER_INACTIVE)
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{
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const QString tstr (timeToStringRounded (now - inf.st.lastAnnounceTime));
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str += QLatin1String ("<br/>\n");
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if (inf.st.lastAnnounceSucceeded)
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{
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//: %1 and %2 are replaced with HTML markup, %3 is duration
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str += tr ("Got a list of%1 %Ln peer(s)%2 %3 ago", 0, inf.st.lastAnnouncePeerCount)
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.arg (success_markup_begin)
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.arg (success_markup_end)
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.arg (tstr);
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}
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else if (inf.st.lastAnnounceTimedOut)
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{
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//: %1 and %2 are replaced with HTML markup, %3 is duration
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str += tr ("Peer list request %1timed out%2 %3 ago; will retry")
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.arg (timeout_markup_begin)
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.arg (timeout_markup_end)
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.arg (tstr);
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}
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else
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{
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//: %1 and %3 are replaced with HTML markup, %2 is error message, %4 is duration
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str += tr ("Got an error %1\"%2\"%3 %4 ago")
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.arg (err_markup_begin)
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.arg (inf.st.lastAnnounceResult)
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.arg (err_markup_end)
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.arg (tstr);
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}
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}
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switch (inf.st.announceState)
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{
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case TR_TRACKER_INACTIVE:
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str += QLatin1String ("<br/>\n");
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str += tr ("No updates scheduled");
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break;
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case TR_TRACKER_WAITING:
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{
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const QString tstr (timeToStringRounded (inf.st.nextAnnounceTime - now));
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str += QLatin1String ("<br/>\n");
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//: %1 is duration
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str += tr ("Asking for more peers in %1").arg (tstr);
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break;
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}
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case TR_TRACKER_QUEUED:
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str += QLatin1String ("<br/>\n");
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str += tr ("Queued to ask for more peers");
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break;
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case TR_TRACKER_ACTIVE: {
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const QString tstr (timeToStringRounded (now - inf.st.lastAnnounceStartTime));
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str += QLatin1String ("<br/>\n");
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//: %1 is duration
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str += tr ("Asking for more peers now... <small>%1</small>").arg (tstr);
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break;
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}
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}
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if (myShowMore)
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{
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if (inf.st.hasScraped)
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{
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str += QLatin1String ("<br/>\n");
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const QString tstr (timeToStringRounded (now - inf.st.lastScrapeTime));
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if (inf.st.lastScrapeSucceeded)
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{
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if (inf.st.seederCount >= 0 && inf.st.leecherCount >= 0)
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{
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//: First part of phrase "Tracker had ... seeder(s) and ... leecher(s) ... ago";
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//: %1 and %2 are replaced with HTML markup
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str += tr ("Tracker had%1 %Ln seeder(s)%2", 0, inf.st.seederCount)
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.arg (success_markup_begin)
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.arg (success_markup_end);
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//: Second part of phrase "Tracker had ... seeder(s) and ... leecher(s) ... ago";
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//: %1 and %2 are replaced with HTML markup, %3 is duration;
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//: notice that leading space (before "and") is included here
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str += tr (" and%1 %Ln leecher(s)%2 %3 ago", 0, inf.st.leecherCount)
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.arg (success_markup_begin)
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.arg (success_markup_end)
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.arg (tstr);
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}
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else
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{
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//: %1 and %2 are replaced with HTML markup, %3 is duration
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str += tr ("Tracker had %1no information%2 on peer counts %3 ago")
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.arg (success_markup_begin)
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.arg (success_markup_end)
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.arg (tstr);
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}
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}
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else
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{
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//: %1 and %3 are replaced with HTML markup, %2 is error message, %4 is duration
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str += tr ("Got a scrape error %1\"%2\"%3 %4 ago")
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.arg (err_markup_begin)
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.arg (inf.st.lastScrapeResult)
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.arg (err_markup_end)
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.arg (tstr);
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}
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}
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switch (inf.st.scrapeState)
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{
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case TR_TRACKER_INACTIVE:
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break;
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case TR_TRACKER_WAITING:
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{
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str += QLatin1String ("<br/>\n");
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const QString tstr (timeToStringRounded (inf.st.nextScrapeTime - now));
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//: %1 is duration
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str += tr ("Asking for peer counts in %1").arg (tstr);
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break;
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}
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case TR_TRACKER_QUEUED:
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{
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str += QLatin1String ("<br/>\n");
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str += tr ("Queued to ask for peer counts");
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break;
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}
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case TR_TRACKER_ACTIVE:
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{
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str += QLatin1String ("<br/>\n");
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const QString tstr (timeToStringRounded (now - inf.st.lastScrapeStartTime));
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//: %1 is duration
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str += tr ("Asking for peer counts now... <small>%1</small>").arg (tstr);
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break;
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}
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}
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}
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}
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return str;
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}
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