337 lines
11 KiB
C++
337 lines
11 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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*/
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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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int const mySpacing = 6;
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QSize const 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(QString const& text, bool suppressColors, Qt::LayoutDirection direction, QPoint const& 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(QString const& text, bool suppressColors, Qt::LayoutDirection direction, QPoint const& topLeft,
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int width)
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{
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QStyle const* style(qApp->style());
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QSize const 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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{
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textOption.setFlags(QTextOption::SuppressColors);
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}
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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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} // namespace
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QSize TrackerDelegate::margin(QStyle const& 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 TrackerDelegate::sizeHint(QStyleOptionViewItem const& option, TrackerInfo const& info) const
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{
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ItemLayout const 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 TrackerDelegate::sizeHint(QStyleOptionViewItem const& option, QModelIndex const& index) const
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{
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TrackerInfo const trackerInfo = index.data(TrackerModel::TrackerRole).value<TrackerInfo>();
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return sizeHint(option, trackerInfo);
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}
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void TrackerDelegate::paint(QPainter* painter, QStyleOptionViewItem const& option, QModelIndex const& index) const
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{
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TrackerInfo const 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 TrackerDelegate::drawTracker(QPainter* painter, QStyleOptionViewItem const& option, TrackerInfo const& inf) const
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{
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bool const isItemSelected((option.state & QStyle::State_Selected) != 0);
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bool const isItemEnabled((option.state & QStyle::State_Enabled) != 0);
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bool const isItemActive((option.state & QStyle::State_Active) != 0);
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QIcon trackerIcon(inf.st.getFavicon());
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QRect const contentRect(option.rect.adjusted(myMargin.width(), myMargin.height(), -myMargin.width(), -myMargin.height()));
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ItemLayout const 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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{
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cg = QPalette::Inactive;
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}
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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,
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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 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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{
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seconds -= (seconds % 60);
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}
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return Formatter::timeToString(seconds);
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}
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} // namespace
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QString TrackerDelegate::getText(TrackerInfo const& inf) const
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{
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QString key;
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QString str;
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time_t const now(time(0));
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QString const err_markup_begin = QLatin1String("<span style=\"color:red\">");
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QString const err_markup_end = QLatin1String("</span>");
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QString const timeout_markup_begin = QLatin1String("<span style=\"color:#224466\">");
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QString const timeout_markup_end = QLatin1String("</span>");
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QString const success_markup_begin = QLatin1String("<span style=\"color:#008B00\">");
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QString const 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(), TR_BAD_SIZE, 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())
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{
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str += QLatin1String(" - ") + key;
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}
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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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QString const 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).arg(success_markup_begin).
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arg(success_markup_end).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").arg(timeout_markup_begin).
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arg(timeout_markup_end).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").arg(err_markup_begin).arg(inf.st.lastAnnounceResult).
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arg(err_markup_end).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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QString const 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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{
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QString const 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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QString const 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).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).arg(success_markup_begin).
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arg(success_markup_end).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").arg(success_markup_begin).
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arg(success_markup_end).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").arg(err_markup_begin).arg(inf.st.lastScrapeResult).
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arg(err_markup_end).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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QString const 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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QString const 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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