magnatuneartistinfobox.cpp

来自「Amarok是一款在LINUX或其他类UNIX操作系统中运行的音频播放器软件。 」· C++ 代码 · 共 156 行

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/* Copyright (c) 2006  Nikolaj Hald Nielsen <nhnFreespirit@gmail.com> This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this library; see the file COPYING.LIB.  If not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.*/#include "debug.h"#include "magnatuneartistinfobox.h"#include "magnatunedatabasehandler.h"#include <khtmlview.h>#include <qfile.h>MagnatuneArtistInfoBox::MagnatuneArtistInfoBox( QWidget *parentWidget, const char *widgetname )        : KHTMLPart( parentWidget, widgetname ){}MagnatuneArtistInfoBox::~MagnatuneArtistInfoBox(){}bool MagnatuneArtistInfoBox::displayArtistInfo( KURL url ){    debug() << "displayArtistInfo started" << endl;    // first get the entire artist html page    QString tempFile;    QString orgHtml;    m_infoDownloadJob = KIO::storedGet( url, false, false );    Amarok::StatusBar::instance() ->newProgressOperation( m_infoDownloadJob ).setDescription( i18n( "Fetching Artist Info" ) );    connect( m_infoDownloadJob, SIGNAL( result( KIO::Job* ) ), SLOT( infoDownloadComplete( KIO::Job* ) ) );    return true;}bool MagnatuneArtistInfoBox::displayAlbumInfo( MagnatuneAlbum *album ){    const MagnatuneArtist artist = MagnatuneDatabaseHandler::instance()->getArtistById( album->getArtistId() );    const QString artistName = artist.getName();    QString infoHtml = "<HTML><HEAD><META HTTP-EQUIV=\"Content-Type\" "                        "CONTENT=\"text/html; charset=iso-8859-1\"></HEAD><BODY>";    infoHtml += "<div align=\"center\"><strong>";    infoHtml += artistName;    infoHtml += "</strong><br><em>";    infoHtml += album->getName();    infoHtml += "</em><br><br>";    infoHtml += "<img src=\"" + album->getCoverURL() +                "\" align=\"middle\" border=\"1\">";    infoHtml += "<br><br>Genre: " + album->getMp3Genre();    infoHtml += "<br>Release Year: " + QString::number( album->getLaunchDate().year() );    infoHtml += "<br><br>From Magnatune.com</div>";    infoHtml += "</BODY></HTML>";    resetScrollBars();    begin();    write( infoHtml );    end();    show();    return true;}void MagnatuneArtistInfoBox::infoDownloadComplete( KIO::Job * downLoadJob ){    if ( !downLoadJob->error() == 0 )    {        //TODO: error handling here        return ;    }    if ( downLoadJob != m_infoDownloadJob )        return ; //not the right job, so let's ignore it    KIO::StoredTransferJob* const storedJob = static_cast<KIO::StoredTransferJob*>( downLoadJob );    QString info = QString( storedJob->data() );    QString trimmedInfo = extractArtistInfo( info );    //debug() << "html: " << trimmedInfo << endl;    resetScrollBars();    this->begin();    this->write( trimmedInfo );    this->end();    this->show();}QString MagnatuneArtistInfoBox::extractArtistInfo( QString artistPage ){    QString trimmedHtml;    int sectionStart = artistPage.find( "<!-- ARTISTBODY -->" );    int sectionEnd = artistPage.find( "<!-- /ARTISTBODY -->", sectionStart );    trimmedHtml = artistPage.mid( sectionStart, sectionEnd - sectionStart );    int buyStartIndex = trimmedHtml.find( "<!-- PURCHASE -->" );    int buyEndIndex;    //we are going to integrate the buying of music (I hope) so remove these links    while ( buyStartIndex != -1 )    {        buyEndIndex = trimmedHtml.find( "<!-- /PURCHASE -->", buyStartIndex ) + 18;        trimmedHtml.remove( buyStartIndex, buyEndIndex - buyStartIndex );        buyStartIndex = trimmedHtml.find( "<!-- PURCHASE -->", buyStartIndex );    }    QString infoHtml = "<HTML><HEAD><META HTTP-EQUIV=\"Content-Type\" "                        "CONTENT=\"text/html; charset=iso-8859-1\"></HEAD><BODY>";    infoHtml += trimmedHtml;    infoHtml += "</BODY></HTML>";    return infoHtml;}void MagnatuneArtistInfoBox::resetScrollBars( ){    //note: the scrollbar methods never return 0     view()->horizontalScrollBar()->setValue(0);    view()->verticalScrollBar()->setValue(0);}#include "magnatuneartistinfobox.moc"

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