1
0
Fork 0
mirror of https://github.com/transmission/transmission synced 2024-12-26 01:27:28 +00:00
transmission/qt/tracker-delegate.cc

304 lines
9.3 KiB
C++

/*
* This file Copyright (C) 2009-2010 Mnemosyne LLC
*
* This file is licensed by the GPL version 2. Works owned by the
* Transmission project are granted a special exemption to clause 2(b)
* so that the bulk of its code can remain under the MIT license.
* This exemption does not extend to derived works not owned by
* the Transmission project.
*
* $Id: torrent-delegate.cc 11051 2010-07-24 23:51:02Z charles $
*/
#include <iostream>
#include <QApplication>
#include <QBrush>
#include <QFont>
#include <QFontMetrics>
#include <QIcon>
#include <QModelIndex>
#include <QPainter>
#include <QPixmap>
#include <QPixmapCache>
#include <QStyleOptionProgressBarV2>
#include <QTextDocument>
#include <QUrl>
#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.model()->data( index, TrackerModel::TrackerRole ).value<TrackerInfo>();
return sizeHint( option, trackerInfo );
}
void
TrackerDelegate :: paint( QPainter * painter,
const QStyleOptionViewItem & option,
const QModelIndex & index) const
{
const TrackerInfo trackerInfo = index.model()->data( index, 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
const QString host = Favicons::getHost( QUrl( inf.st.announce ) );
str += inf.st.isBackup ? "<i>" : "<b>";
str += host;
if( !key.isEmpty( ) ) str += " - " + key;
str += inf.st.isBackup ? "</i>" : "</b>";
// announce & scrape info
if( !inf.st.isBackup )
{
if( inf.st.hasAnnounced )
{
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 timed out %1%2%3 ago; will retry" )
.arg( timeout_markup_begin )
.arg( tstr )
.arg( timeout_markup_end );
}
else
{
str += tr( "Got an error %1'%2'%3 %4 ago" )
.arg( err_markup_begin )
.arg( tstr )
.arg( err_markup_end )
.arg( tstr );
}
}
switch( inf.st.announceState )
{
case TR_TRACKER_INACTIVE:
if( inf.st.hasAnnounced ) {
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;
}
#if 0
if( inf.isBackup )
str += "<i>";
QString announce;
int announceState;
int downloadCount;
bool hasAnnounced; bool hasScraped;
QString host;
int id;
bool isBackup;
int lastAnnouncePeerCount;
int lastAnnounceResult;
int lastAnnounceStartTime;
bool lastAnnounceSucceeded;
int lastAnnounceTime;
bool lastAnnounceTimedOut;
QString lastScrapeResult;
int lastScrapeStartTime;
bool lastScrapeSucceeded;
int lastScrapeTime;
bool lastScrapeTimedOut;
int leecherCount;
int nextAnnounceTime;
int nextScrapeTime;
int scrapeState;
int seederCount;
int tier;
}
#endif