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"
#include "arborescence.h"
using namespace libtorrent;
class torrentAdditionDialog : public QDialog, private Ui_addTorrentDialog{
Q_OBJECT
signals:
void setInfoBarGUI(QString info, QColor color);
void torrentAddition(QString filePath, bool fromScanDir, QString from_url);
private:
QString fileName;
QString hash;
QString filePath;
bool fromScanDir;
QString from_url;
QStandardItemModel *PropListModel;
PropListDelegate *PropDelegate;
unsigned int nbFiles;
public:
torrentAdditionDialog(QWidget *parent) : QDialog(parent) {
setupUi(this);
setAttribute(Qt::WA_DeleteOnClose);
// Set Properties list model
PropListModel = new QStandardItemModel(0,5);
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);
torrentContentList->hideColumn(INDEX);
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);
torrentContentList->header()->setResizeMode(0, QHeaderView::Stretch);
QString home = QDir::homePath();
if(home[home.length()-1] != QDir::separator()){
home += QDir::separator();
}
QSettings settings(QString::fromUtf8("qBittorrent"), QString::fromUtf8("qBittorrent"));
savePathTxt->setText(settings.value(QString::fromUtf8("LastDirTorrentAdd"), home+QString::fromUtf8("qBT_dir")).toString());
if(settings.value("Preferences/Downloads/StartInPause", false).toBool()) {
addInPause->setChecked(true);
addInPause->setEnabled(false);
}
}
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(filePath.toUtf8().data(), 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);
nbFiles = t.num_files();
// Setting file name
fileName = misc::toQString(t.name());
hash = misc::toQString(t.info_hash());
// Use left() to remove .old extension
QString newFileName;
if(fileName.endsWith(QString::fromUtf8(".old"))){
newFileName = fileName.left(fileName.size()-4);
}else{
newFileName = fileName;
}
fileNameLbl->setText(QString::fromUtf8("<center><b>")+newFileName+QString::fromUtf8("</b></center>"));
// List files in torrent
arborescence *arb = new arborescence(t);
addFilesToTree(arb->getRoot(), PropListModel->invisibleRootItem());
delete arb;
connect(PropListModel, SIGNAL(itemChanged(QStandardItem*)), this, SLOT(updatePriorities(QStandardItem*)));
torrentContentList->expandAll();
}
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:")+QString::fromUtf8(" '")+from_url+QString::fromUtf8("'"), QString::fromUtf8("red"));
QFile::remove(filePath);
}else{
emit setInfoBarGUI(tr("Unable to decode torrent file:")+QString::fromUtf8(" '")+filePath+QString::fromUtf8("'"), QString::fromUtf8("red"));
}
emit setInfoBarGUI(tr("This file is either corrupted or this isn't a torrent."), QString::fromUtf8("red"));
if(fromScanDir){
// Remove .corrupt file in case it already exists
QFile::remove(filePath+QString::fromUtf8(".corrupt"));
//Rename file extension so that it won't display error message more than once
QFile::rename(filePath,filePath+QString::fromUtf8(".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:")+QString::fromUtf8(" '")+from_url+QString::fromUtf8("'"), QString::fromUtf8("red"));
QFile::remove(filePath);
}else{
emit setInfoBarGUI(tr("Unable to decode torrent file:")+QString::fromUtf8(" '")+filePath+QString::fromUtf8("'"), QString::fromUtf8("red"));
}
qDebug("path is %s", filePath.toUtf8().data());
emit setInfoBarGUI(tr("This file is either corrupted or this isn't a torrent."), QString::fromUtf8("red"));
if(fromScanDir){
// Remove .corrupt file in case it already exists
QFile::remove(filePath+QString::fromUtf8(".corrupt"));
//Rename file extension so that it won't display error message more than once
QFile::rename(filePath,filePath+QString::fromUtf8(".corrupt"));
}
close();
}
catch(std::exception& e){
std::cerr << "Could not decode file, reason: " << e.what() << '\n';
if(!from_url.isNull()){
emit setInfoBarGUI(tr("Unable to decode torrent file:")+QString::fromUtf8(" '")+from_url+QString::fromUtf8("'"), QString::fromUtf8("red"));
QFile::remove(filePath);
}else{
emit setInfoBarGUI(tr("Unable to decode torrent file:")+QString::fromUtf8(" '")+filePath+QString::fromUtf8("'"), QString::fromUtf8("red"));
}
qDebug("path is %s", filePath.toUtf8().data());
emit setInfoBarGUI(tr("This file is either corrupted or this isn't a torrent."), QString::fromUtf8("red"));
if(fromScanDir){
// Remove .corrupt file in case it already exists
QFile::remove(filePath+QString::fromUtf8(".corrupt"));
//Rename file extension so that it won't display error message more than once
QFile::rename(filePath,filePath+QString::fromUtf8(".corrupt"));
}
close();
}
show();
}
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void addFilesToTree(torrent_file *root, QStandardItem *parent) {
QList<QStandardItem*> child;
// Name
QStandardItem *first;
if(root->isDir()) {
first = new QStandardItem(QIcon(":/Icons/folder.png"), root->name());
} else {
first = new QStandardItem(QIcon(":/Icons/file.png"), root->name());
}
child << first;
// Size
child << new QStandardItem(misc::toQString(root->getSize()));
// Hidden progress
child << new QStandardItem("");
// Prio
child << new QStandardItem(misc::toQString(NORMAL));
// INDEX
child << new QStandardItem(misc::toQString(root->getIndex()));
// TODO: row Color?
// Add the child to the tree
parent->appendRow(child);
// Add childs
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torrent_file *childFile;
foreach(childFile, root->getChildren()) {
addFilesToTree(childFile, first);
}
}
public slots:
// priority is the new priority of given item
void updateParentsPriority(QStandardItem *item, int priority) {
QStandardItem *parent = item->parent();
if(!parent) return;
// Check if children have different priorities
// then folder must have NORMAL priority
unsigned int rowCount = parent->rowCount();
for(unsigned int i=0; i<rowCount; ++i) {
if(parent->child(i, PRIORITY)->text().toInt() != priority) {
QStandardItem *grandFather = parent->parent();
if(!grandFather) {
grandFather = PropListModel->invisibleRootItem();
}
QStandardItem *parentPrio = grandFather->child(parent->row(), PRIORITY);
if(parentPrio->text().toInt() != NORMAL) {
parentPrio->setText(misc::toQString(NORMAL));
// Recursively update ancesters of this parent too
updateParentsPriority(grandFather->child(parent->row()), priority);
}
return;
}
}
// All the children have the same priority
// Parent folder should have the same priority too
QStandardItem *grandFather = parent->parent();
if(!grandFather) {
grandFather = PropListModel->invisibleRootItem();
}
QStandardItem *parentPrio = grandFather->child(parent->row(), PRIORITY);
if(parentPrio->text().toInt() != priority) {
parentPrio->setText(misc::toQString(priority));
// Recursively update ancesters of this parent too
updateParentsPriority(grandFather->child(parent->row()), priority);
}
}
void updateChildrenPriority(QStandardItem *item, int priority) {
QStandardItem *parent = item->parent();
if(!parent) {
parent = PropListModel->invisibleRootItem();
}
parent = parent->child(item->row());
unsigned int rowCount = parent->rowCount();
for(unsigned int i=0; i<rowCount; ++i) {
QStandardItem * childPrio = parent->child(i, PRIORITY);
if(childPrio->text().toInt() != priority) {
childPrio->setText(misc::toQString(priority));
// recursively update children of this child too
updateChildrenPriority(parent->child(i), priority);
}
}
}
void updatePriorities(QStandardItem *item) {
qDebug("Priority changed");
// First we disable the signal/slot on item edition
// temporarily so that it doesn't mess with our manual updates
disconnect(PropListModel, SIGNAL(itemChanged(QStandardItem*)), this, SLOT(updatePriorities(QStandardItem*)));
QStandardItem *parent = item->parent();
if(!parent) {
parent = PropListModel->invisibleRootItem();
}
int priority = parent->child(item->row(), PRIORITY)->text().toInt();
// Update parents priorities
updateParentsPriority(item, priority);
// If this is not a directory, then there are
// no children to update
if(parent->child(item->row(), INDEX)->text().toInt() == -1) {
// Updating children
qDebug("Priority changed for a folder to %d", priority);
updateChildrenPriority(item, priority);
}
// Reconnect the signal/slot on item edition so that we
// get future updates
connect(PropListModel, SIGNAL(itemChanged(QStandardItem*)), this, SLOT(updatePriorities(QStandardItem*)));
}
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 allFiltered() const {
unsigned int nbRows = PropListModel->rowCount();
for(unsigned int i=0; i<nbRows; ++i){
if(PropListModel->data(PropListModel->index(i, PRIORITY)).toInt() != IGNORED)
return false;
}
return true;
}
void displayFilesListMenu(const QPoint& pos){
if(nbFiles == 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"));
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(QString::fromUtf8("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(QString::fromUtf8("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(QString::fromUtf8("green"))), Qt::ForegroundRole);
}
}
}
void getPriorities(QStandardItem *parent, int *priorities) {
unsigned int nbRows = parent->rowCount();
for(unsigned int i=0; i<nbRows; ++i){
QStandardItem *item = parent->child(i, INDEX);
int index = item->text().toInt();
if(index < 0) {
qDebug("getPriorities(), found a folder, checking its children");
getPriorities(parent->child(i), priorities);
} else {
item = parent->child(i, PRIORITY);
qDebug("getPriorities(), found priority %d for file at index %d", item->text().toInt(), index);
priorities[index] = item->text().toInt();
}
}
}
void savePiecesPriorities(){
qDebug("Saving pieces priorities");
QFile pieces_file(misc::qBittorrentPath()+QString::fromUtf8("BT_backup")+QDir::separator()+hash+QString::fromUtf8(".priorities"));
// First, remove old file
pieces_file.remove();
int *priorities = new int[nbFiles];
getPriorities(PropListModel->invisibleRootItem(), priorities);
// Ok, we have priorities, save them
if(!pieces_file.open(QIODevice::WriteOnly | QIODevice::Text)){
std::cerr << "Error: Could not save pieces priorities\n";
return;
}
for(unsigned int i=0; i<nbFiles; ++i) {
qDebug("%d ", priorities[i]);
pieces_file.write(misc::toQByteArray(priorities[i])+misc::toQByteArray("\n"));
}
pieces_file.close();
delete[] priorities;
}
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()+QString::fromUtf8("BT_backup")+QDir::separator()+hash+QString::fromUtf8(".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(QString::fromUtf8("qBittorrent"), QString::fromUtf8("qBittorrent"));
settings.setValue(QString::fromUtf8("LastDirTorrentAdd"), savePathTxt->text());
// Create .incremental file if necessary
if(checkIncrementalDL->isChecked()){
QFile incremental_file(misc::qBittorrentPath()+QString::fromUtf8("BT_backup")+QDir::separator()+hash+QString::fromUtf8(".incremental"));
incremental_file.open(QIODevice::WriteOnly | QIODevice::Text);
incremental_file.close();
}else{
QFile::remove(misc::qBittorrentPath()+QString::fromUtf8("BT_backup")+QDir::separator()+hash+QString::fromUtf8(".incremental"));
}
// Create .paused file if necessary
if(addInPause->isChecked()){
QFile paused_file(misc::qBittorrentPath()+QString::fromUtf8("BT_backup")+QDir::separator()+hash+QString::fromUtf8(".paused"));
paused_file.open(QIODevice::WriteOnly | QIODevice::Text);
paused_file.close();
}else{
QFile::remove(misc::qBittorrentPath()+QString::fromUtf8("BT_backup")+QDir::separator()+hash+QString::fromUtf8(".paused"));
}
// Check if there is at least one selected file
if(allFiltered()){
QMessageBox::warning(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
emit torrentAddition(filePath, fromScanDir, from_url);
close();
}
};
#endif