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qBittorrent/src/torrentAddition.h

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/*
* Bittorrent Client using Qt4 and libtorrent.
* Copyright (C) 2006 Christophe Dumez
*
* 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.
*
* Contact : chris@qbittorrent.org
*/
#ifndef TORRENTADDITION_H
#define TORRENTADDITION_H
#include <QDir>
#include <QFileDialog>
#include <QFile>
#include <fstream>
#include <QMessageBox>
#include <QMenu>
#include <QSettings>
#include <QStandardItemModel>
#include <QHeaderView>
#include <libtorrent/session.hpp>
#include <libtorrent/bencode.hpp>
#include "misc.h"
#include "PropListDelegate.h"
#include "ui_addTorrentDialog.h"
using namespace libtorrent;
class torrentAdditionDialog : public QDialog, private Ui_addTorrentDialog{
Q_OBJECT
signals:
void setInfoBarGUI(QString info, QString color);
void torrentAddition(QString filePath, bool fromScanDir, bool onStartup, QString from_url);
private:
QString fileName;
QString fileHash;
QString filePath;
bool fromScanDir;
QString from_url;
QStandardItemModel *PropListModel;
PropListDelegate *PropDelegate;
public:
torrentAdditionDialog(QWidget *parent) : QDialog(parent) {
setupUi(this);
setAttribute(Qt::WA_DeleteOnClose);
// Set Properties list model
PropListModel = new QStandardItemModel(0,4);
PropListModel->setHeaderData(NAME, Qt::Horizontal, tr("File name"));
PropListModel->setHeaderData(SIZE, Qt::Horizontal, tr("Size"));
PropListModel->setHeaderData(PROGRESS, Qt::Horizontal, tr("Progress"));
PropListModel->setHeaderData(PRIORITY, Qt::Horizontal, tr("Priority"));
torrentContentList->setModel(PropListModel);
torrentContentList->hideColumn(PROGRESS);
PropDelegate = new PropListDelegate();
torrentContentList->setItemDelegate(PropDelegate);
connect(torrentContentList, SIGNAL(clicked(const QModelIndex&)), torrentContentList, SLOT(edit(const QModelIndex&)));
connect(torrentContentList, SIGNAL(customContextMenuRequested(const QPoint&)), this, SLOT(displayFilesListMenu(const QPoint&)));
connect(actionIgnored, SIGNAL(triggered()), this, SLOT(ignoreSelection()));
connect(actionNormal, SIGNAL(triggered()), this, SLOT(normalSelection()));
connect(actionHigh, SIGNAL(triggered()), this, SLOT(highSelection()));
connect(actionMaximum, SIGNAL(triggered()), this, SLOT(maximumSelection()));
torrentContentList->header()->resizeSection(0, 200);
QString home = QDir::homePath();
if(home[home.length()-1] != QDir::separator()){
home += QDir::separator();
}
QSettings settings("qBittorrent", "qBittorrent");
savePathTxt->setText(settings.value("LastDirTorrentAdd", home+"qBT_dir").toString());
}
void showLoad(QString filePath, bool fromScanDir=false, QString from_url=QString::null){
this->filePath = filePath;
this->fromScanDir = fromScanDir;
this->from_url = from_url;
std::ifstream in((const char*)filePath.toUtf8(), std::ios_base::binary);
in.unsetf(std::ios_base::skipws);
try{
// Decode torrent file
entry e = bdecode(std::istream_iterator<char>(in), std::istream_iterator<char>());
// Getting torrent file informations
torrent_info t(e);
// Setting file name
fileName = QString(t.name().c_str());
fileHash = QString(misc::toString(t.info_hash()).c_str());
// Use left() to remove .old extension
QString newFileName;
if(fileName.endsWith(".old")){
newFileName = fileName.left(fileName.size()-4);
}else{
newFileName = fileName;
}
fileNameLbl->setText("<center><b>"+newFileName+"</b></center>");
// List files in torrent
unsigned int nbFiles = t.num_files();
for(unsigned int i=0; i<nbFiles; ++i){
unsigned int row = PropListModel->rowCount();
PropListModel->insertRow(row);
PropListModel->setData(PropListModel->index(row, NAME), QVariant(t.file_at(i).path.leaf().c_str()));
PropListModel->setData(PropListModel->index(row, SIZE), QVariant((qlonglong)t.file_at(i).size));
PropListModel->setData(PropListModel->index(i, PRIORITY), QVariant(NORMAL));
setRowColor(i, "green");
}
}catch (invalid_torrent_file&){ // Raised by torrent_info constructor
// Display warning to tell user we can't decode the torrent file
if(!from_url.isNull()){
emit setInfoBarGUI(tr("Unable to decode torrent file:")+" '"+from_url+"'", "red");
}else{
emit setInfoBarGUI(tr("Unable to decode torrent file:")+" '"+filePath+"'", "red");
}
emit setInfoBarGUI(tr("This file is either corrupted or this isn't a torrent."), "red");
if(fromScanDir){
// Remove .corrupt file in case it already exists
QFile::remove(filePath+".corrupt");
//Rename file extension so that it won't display error message more than once
QFile::rename(filePath,filePath+".corrupt");
}
close();
}
catch(invalid_encoding& e){
std::cerr << "Could not decode file, reason: " << e.what() << '\n';
// Display warning to tell user we can't decode the torrent file
if(!from_url.isNull()){
emit setInfoBarGUI(tr("Unable to decode torrent file:")+" '"+from_url+"'", "red");
}else{
emit setInfoBarGUI(tr("Unable to decode torrent file:")+" '"+filePath+"'", "red");
}
emit setInfoBarGUI(tr("This file is either corrupted or this isn't a torrent."), "red");
if(fromScanDir){
// Remove .corrupt file in case it already exists
QFile::remove(filePath+".corrupt");
//Rename file extension so that it won't display error message more than once
QFile::rename(filePath,filePath+".corrupt");
}
close();
}
show();
}
public slots:
void on_browseButton_clicked(){
QString dir;
QDir saveDir(savePathTxt->text());
if(saveDir.exists()){
dir = QFileDialog::getExistingDirectory(this, tr("Choose save path"), savePathTxt->text());
}else{
dir = QFileDialog::getExistingDirectory(this, tr("Choose save path"), QDir::homePath());
}
if(!dir.isNull()){
savePathTxt->setText(dir);
}
}
void on_CancelButton_clicked(){
close();
}
// Set the color of a row in data model
void setRowColor(int row, QString color){
for(int i=0; i<PropListModel->columnCount(); ++i){
PropListModel->setData(PropListModel->index(row, i), QVariant(QColor(color)), Qt::ForegroundRole);
}
}
bool onlyOneItem() const {
unsigned int nbRows = PropListModel->rowCount();
if(nbRows == 1) return true;
unsigned int nb_unfiltered = 0;
QModelIndexList selectedIndexes = torrentContentList->selectionModel()->selectedIndexes();
QModelIndex index;
unsigned int to_be_filtered = 0;
foreach(index, selectedIndexes){
if(index.column() == PRIORITY){
if(index.data().toInt() != IGNORED)
++to_be_filtered;
}
}
for(unsigned int i=0; i<nbRows; ++i){
if(PropListModel->data(PropListModel->index(i, PRIORITY)).toInt() != IGNORED){
++nb_unfiltered;
}
}
if(nb_unfiltered-to_be_filtered == 0)
return true;
return false;
}
void displayFilesListMenu(const QPoint& pos){
unsigned int nbRows = PropListModel->rowCount();
if(nbRows == 1) return;
QMenu myFilesLlistMenu(this);
QModelIndex index;
// Enable/disable pause/start action given the DL state
QModelIndexList selectedIndexes = torrentContentList->selectionModel()->selectedIndexes();
myFilesLlistMenu.setTitle(tr("Priority"));
if(!onlyOneItem())
myFilesLlistMenu.addAction(actionIgnored);
myFilesLlistMenu.addAction(actionNormal);
myFilesLlistMenu.addAction(actionHigh);
myFilesLlistMenu.addAction(actionMaximum);
// Call menu
// XXX: why mapToGlobal() is not enough?
myFilesLlistMenu.exec(mapToGlobal(pos)+QPoint(10,145));
}
void ignoreSelection(){
QModelIndexList selectedIndexes = torrentContentList->selectionModel()->selectedIndexes();
QModelIndex index;
foreach(index, selectedIndexes){
if(index.column() == PRIORITY){
PropListModel->setData(index, QVariant(IGNORED));
}
for(int i=0; i<PropListModel->columnCount(); ++i){
PropListModel->setData(PropListModel->index(index.row(), i), QVariant(QColor("red")), Qt::ForegroundRole);
}
}
}
void normalSelection(){
QModelIndexList selectedIndexes = torrentContentList->selectionModel()->selectedIndexes();
QModelIndex index;
foreach(index, selectedIndexes){
if(index.column() == PRIORITY){
PropListModel->setData(index, QVariant(NORMAL));
}
for(int i=0; i<PropListModel->columnCount(); ++i){
PropListModel->setData(PropListModel->index(index.row(), i), QVariant(QColor("green")), Qt::ForegroundRole);
}
}
}
void highSelection(){
QModelIndexList selectedIndexes = torrentContentList->selectionModel()->selectedIndexes();
QModelIndex index;
foreach(index, selectedIndexes){
if(index.column() == PRIORITY){
PropListModel->setData(index, QVariant(HIGH));
}
for(int i=0; i<PropListModel->columnCount(); ++i){
PropListModel->setData(PropListModel->index(index.row(), i), QVariant(QColor("green")), Qt::ForegroundRole);
}
}
}
void maximumSelection(){
QModelIndexList selectedIndexes = torrentContentList->selectionModel()->selectedIndexes();
QModelIndex index;
foreach(index, selectedIndexes){
if(index.column() == PRIORITY){
PropListModel->setData(index, QVariant(MAXIMUM));
}
for(int i=0; i<PropListModel->columnCount(); ++i){
PropListModel->setData(PropListModel->index(index.row(), i), QVariant(QColor("green")), Qt::ForegroundRole);
}
}
}
void savePiecesPriorities(){
qDebug("Saving pieces priorities");
QFile pieces_file(misc::qBittorrentPath()+"BT_backup"+QDir::separator()+fileHash+".priorities");
// First, remove old file
pieces_file.remove();
// Write new files
if(!pieces_file.open(QIODevice::WriteOnly | QIODevice::Text)){
std::cerr << "Error: Could not save pieces priorities\n";
return;
}
unsigned int nbRows = PropListModel->rowCount();
for(unsigned int i=0; i<nbRows; ++i){
QStandardItem *item = PropListModel->item(i, PRIORITY);
unsigned short priority = item->text().toInt();
pieces_file.write(QByteArray((misc::toString(priority)+"\n").c_str()));
}
pieces_file.close();
}
void on_OkButton_clicked(){
QDir savePath(savePathTxt->text());
if(savePathTxt->text().trimmed().isEmpty()){
QMessageBox::critical(0, tr("Empty save path"), tr("Please enter a save path"));
return;
}
// Check if savePath exists
if(!savePath.exists()){
if(!savePath.mkpath(savePath.path())){
QMessageBox::critical(0, tr("Save path creation error"), tr("Could not create the save path"));
return;
}
}
// Save savepath
QFile savepath_file(misc::qBittorrentPath()+"BT_backup"+QDir::separator()+fileHash+".savepath");
savepath_file.open(QIODevice::WriteOnly | QIODevice::Text);
savepath_file.write(savePath.path().toUtf8());
savepath_file.close();
// Save last dir to remember it
QSettings settings("qBittorrent", "qBittorrent");
settings.setValue("LastDirTorrentAdd", savePathTxt->text());
// Create .incremental file if necessary
if(checkIncrementalDL->isChecked()){
QFile incremental_file(misc::qBittorrentPath()+"BT_backup"+QDir::separator()+fileHash+".incremental");
incremental_file.open(QIODevice::WriteOnly | QIODevice::Text);
incremental_file.close();
}else{
QFile::remove(misc::qBittorrentPath()+"BT_backup"+QDir::separator()+fileHash+".incremental");
}
// Create .paused file if necessary
if(addInPause->isChecked()){
QFile paused_file(misc::qBittorrentPath()+"BT_backup"+QDir::separator()+fileHash+".paused");
paused_file.open(QIODevice::WriteOnly | QIODevice::Text);
paused_file.close();
}else{
QFile::remove(misc::qBittorrentPath()+"BT_backup"+QDir::separator()+fileHash+".paused");
}
// Check if there is at least one selected file
if(!hasSelectedFiles()){
QMessageBox::critical(0, tr("Invalid file selection"), tr("You must select at least one file in the torrent"));
return;
}
// save filtered files
savePiecesPriorities();
// Add to download list
// TODO : quick fix
emit torrentAddition(filePath, fromScanDir, false, from_url);
close();
}
bool hasSelectedFiles(){
unsigned int nbRows = PropListModel->rowCount();
for(unsigned int i=0; i<nbRows; ++i){
QStandardItem *item = PropListModel->item(i, PRIORITY);
unsigned short priority = item->text().toInt();
if(priority) {
return true;
}
}
return false;
}
};
#endif
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