webseedsmodel.cpp

Go to the documentation of this file.

/***************************************************************************
 *   Copyright (C) 2008 by Joris Guisson and Ivan Vasic                    *
 *   joris.guisson@gmail.com                                               *
 *   ivasic@gmail.com                                                      *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program 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 General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.          *
 ***************************************************************************/
#include "webseedsmodel.h"
#include <klocale.h>
#include <interfaces/webseedinterface.h>
#include <interfaces/torrentinterface.h>
#include <util/functions.h>

using namespace bt;

namespace kt
{

    WebSeedsModel::WebSeedsModel(QObject* parent)
            : QAbstractTableModel(parent),curr_tc(0)
    {
    }


    WebSeedsModel::~WebSeedsModel()
    {
    }

    void WebSeedsModel::changeTC(bt::TorrentInterface* tc)
    {
        curr_tc = tc;
        items.clear();
        if (tc)
        {
            for (Uint32 i = 0;i < tc->getNumWebSeeds();++i)
            {
                const bt::WebSeedInterface* ws = curr_tc->getWebSeed(i);
                Item item;
                item.status = ws->getStatus();
                item.downloaded = ws->getTotalDownloaded();
                item.speed = ws->getDownloadRate();
                items.append(item);
            }
        }
        reset();
    }
    
    bool WebSeedsModel::update()
    {
        if (!curr_tc)
            return false;
        
        bool ret = false;
        
        for (Uint32 i = 0;i < curr_tc->getNumWebSeeds();++i)
        {
            const bt::WebSeedInterface* ws = curr_tc->getWebSeed(i);
            Item & item = items[i];
            bool changed = false;
            if (item.status != ws->getStatus())
            {
                changed = true;
                item.status = ws->getStatus();
            }
                
            if (item.downloaded != ws->getTotalDownloaded())
            {
                changed = true;
                item.downloaded = ws->getTotalDownloaded();
            }
            
            if (item.speed != ws->getDownloadRate())
            {
                changed = true;
                item.speed = ws->getDownloadRate();
            }
            
            if (changed)
            {
                dataChanged(createIndex(i,1),createIndex(i,3));
                ret = true;
            }
        }
        
        return ret;
    }
        
    int WebSeedsModel::rowCount(const QModelIndex & parent) const
    {
        if (parent.isValid())
            return 0;
        else
            return curr_tc ? curr_tc->getNumWebSeeds() : 0;
    }
    
    int WebSeedsModel::columnCount(const QModelIndex & parent) const
    {
        if (parent.isValid())
            return 0;
        else
            return 4;
    }
    
    QVariant WebSeedsModel::headerData(int section, Qt::Orientation orientation,int role) const
    {
        if (role != Qt::DisplayRole || orientation != Qt::Horizontal)
            return QVariant();
         
        switch (section)
        {
            case 0: return i18n("URL");
            case 1: return i18n("Speed");
            case 2: return i18n("Downloaded");
            case 3: return i18n("Status");
            default: return QVariant();
        }
    }
    
    QVariant WebSeedsModel::data(const QModelIndex & index, int role) const
    {
        if (!curr_tc)
            return QVariant();
        
        if (!index.isValid() || index.row() >= static_cast<int>(curr_tc->getNumWebSeeds()) || index.row() < 0)
            return QVariant(); 
        
        if (role == Qt::DisplayRole)
        {
            const bt::WebSeedInterface* ws = curr_tc->getWebSeed(index.row());
            switch (index.column())
            {
                case 0: return ws->getUrl().prettyUrl();
                case 1: return bt::BytesPerSecToString(ws->getDownloadRate());
                case 2: return bt::BytesToString(ws->getTotalDownloaded());
                case 3: return ws->getStatus();
            }
        }
        return QVariant();
    }

}