transmission/qt/tracker-delegate.cc

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/*
* This file Copyright (C) Mnemosyne LLC
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
*
* $Id$
*/
#include <iostream>
#include <QPainter>
#include <QPixmap>
#include <QTextDocument>
#include <libtransmission/transmission.h>
#include <libtransmission/utils.h>
#include "favicon.h"
#include "formatter.h"
#include "torrent.h"
#include "tracker-delegate.h"
#include "tracker-model.h"
/***
****
***/
namespace
{
const int mySpacing = 6;
const QSize myMargin( 10, 6 );
}
QSize
TrackerDelegate :: margin( const QStyle& style ) const
{
Q_UNUSED( style );
return myMargin;
}
/***
****
***/
QSize
TrackerDelegate :: sizeHint( const QStyleOptionViewItem& option, const TrackerInfo& info ) const
{
Q_UNUSED( option );
QPixmap favicon = info.st.getFavicon( );
const QString text = TrackerDelegate :: getText( info );
QTextDocument textDoc;
textDoc.setHtml( text );
const QSize textSize = textDoc.size().toSize();
return QSize( myMargin.width() + favicon.width() + mySpacing + textSize.width() + myMargin.width(),
myMargin.height() + qMax<int>( favicon.height(), textSize.height() ) + myMargin.height() );
}
QSize
TrackerDelegate :: sizeHint( const QStyleOptionViewItem & option,
const QModelIndex & index ) const
{
const TrackerInfo trackerInfo = index.data( TrackerModel::TrackerRole ).value<TrackerInfo>();
return sizeHint( option, trackerInfo );
}
void
TrackerDelegate :: paint( QPainter * painter,
const QStyleOptionViewItem & option,
const QModelIndex & index) const
{
const TrackerInfo trackerInfo = index.data( TrackerModel::TrackerRole ).value<TrackerInfo>();
painter->save( );
painter->setClipRect( option.rect );
drawBackground( painter, option, index );
drawTracker( painter, option, trackerInfo );
drawFocus(painter, option, option.rect );
painter->restore( );
}
void
TrackerDelegate :: drawTracker( QPainter * painter,
const QStyleOptionViewItem & option,
const TrackerInfo & inf ) const
{
painter->save( );
QPixmap icon = inf.st.getFavicon( );
QRect iconArea( option.rect.x() + myMargin.width(),
option.rect.y() + myMargin.height(),
icon.width(),
icon.height() );
painter->drawPixmap( iconArea.x(), iconArea.y()+4, icon );
const int textWidth = option.rect.width() - myMargin.width()*2 - mySpacing - icon.width();
const int textX = myMargin.width() + icon.width() + mySpacing;
const QString text = getText( inf );
QTextDocument textDoc;
textDoc.setHtml( text );
const QRect textRect( textX, iconArea.y(), textWidth, option.rect.height() - myMargin.height()*2 );
painter->translate( textRect.topLeft( ) );
textDoc.drawContents( painter, textRect.translated( -textRect.topLeft( ) ) );
painter->restore( );
}
void
TrackerDelegate :: setShowMore( bool b )
{
myShowMore = b;
}
namespace
{
QString timeToStringRounded( int seconds )
{
if( seconds > 60 ) seconds -= ( seconds % 60 );
return Formatter::timeToString ( seconds );
}
}
QString
TrackerDelegate :: getText( const TrackerInfo& inf ) const
{
QString key;
QString str;
const time_t now( time( 0 ) );
const QString err_markup_begin = "<span style=\"color:red\">";
const QString err_markup_end = "</span>";
const QString timeout_markup_begin = "<span style=\"color:#224466\">";
const QString timeout_markup_end = "</span>";
const QString success_markup_begin = "<span style=\"color:#008B00\">";
const QString success_markup_end = "</span>";
// hostname
str += inf.st.isBackup ? "<i>" : "<b>";
char * host = NULL;
int port = 0;
tr_urlParse( inf.st.announce.toUtf8().constData(), -1, NULL, &host, &port, NULL );
str += QString( "%1:%2" ).arg( host ).arg( port );
tr_free( host );
if( !key.isEmpty( ) ) str += " - " + key;
str += inf.st.isBackup ? "</i>" : "</b>";
// announce & scrape info
if( !inf.st.isBackup )
{
if( inf.st.hasAnnounced && inf.st.announceState != TR_TRACKER_INACTIVE )
{
const QString tstr( timeToStringRounded( now - inf.st.lastAnnounceTime ) );
str += "<br/>\n";
if( inf.st.lastAnnounceSucceeded )
{
str += tr( "Got a list of %1%2 peers%3 %4 ago" )
.arg( success_markup_begin )
.arg( inf.st.lastAnnouncePeerCount )
.arg( success_markup_end )
.arg( tstr );
}
else if( inf.st.lastAnnounceTimedOut )
{
str += tr( "Peer list request %1timed out%2 %3 ago; will retry" )
.arg( timeout_markup_begin )
.arg( timeout_markup_end )
.arg( tstr );
}
else
{
str += tr( "Got an error %1\"%2\"%3 %4 ago" )
.arg( err_markup_begin )
.arg( inf.st.lastAnnounceResult )
.arg( err_markup_end )
.arg( tstr );
}
}
switch( inf.st.announceState )
{
case TR_TRACKER_INACTIVE:
str += "<br/>\n";
str += tr( "No updates scheduled" );
break;
case TR_TRACKER_WAITING: {
const QString tstr( timeToStringRounded( inf.st.nextAnnounceTime - now ) );
str += "<br/>\n";
str += tr( "Asking for more peers in %1" ).arg( tstr );
break;
}
case TR_TRACKER_QUEUED:
str += "<br/>\n";
str += tr( "Queued to ask for more peers" );
break;
case TR_TRACKER_ACTIVE: {
const QString tstr( timeToStringRounded( now - inf.st.lastAnnounceStartTime ) );
str += "<br/>\n";
str += tr( "Asking for more peers now... <small>%1</small>" ).arg( tstr );
break;
}
}
if( myShowMore )
{
if( inf.st.hasScraped )
{
str += "<br/>\n";
const QString tstr( timeToStringRounded( now - inf.st.lastScrapeTime ) );
if( inf.st.lastScrapeSucceeded )
{
str += tr( "Tracker had %1%2 seeders%3 and %4%5 leechers%6 %7 ago" )
.arg( success_markup_begin )
.arg( inf.st.seederCount )
.arg( success_markup_end )
.arg( success_markup_begin )
.arg( inf.st.leecherCount )
.arg( success_markup_end )
.arg( tstr );
}
else
{
str += tr( "Got a scrape error %1\"%2\"%3 %4 ago" )
.arg( err_markup_begin )
.arg( inf.st.lastScrapeResult )
.arg( err_markup_end )
.arg( tstr );
}
}
switch( inf.st.scrapeState )
{
case TR_TRACKER_INACTIVE:
break;
case TR_TRACKER_WAITING: {
str += "<br/>\n";
const QString tstr( timeToStringRounded( inf.st.nextScrapeTime - now ) );
str += tr( "Asking for peer counts in %1" ).arg( tstr );
break;
}
case TR_TRACKER_QUEUED: {
str += "<br/>\n";
str += tr( "Queued to ask for peer counts" );
break;
}
case TR_TRACKER_ACTIVE: {
str += "<br/>\n";
const QString tstr( timeToStringRounded( now - inf.st.lastScrapeStartTime ) );
str += tr( "Asking for peer counts now... <small>%1</small>" ).arg( tstr );
break;
}
}
}
}
return str;
}