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https://invent.kde.org/network/falkon.git
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5f5cf7417d
Code was formatted with patched astyle that correctly formats foreach macro. Normalize tool is now used to normalize all signal/slots signatures to normalized format. It saves few reallocations on connections.
485 lines
14 KiB
C++
485 lines
14 KiB
C++
/* ============================================================
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* QupZilla - WebKit based browser
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* Copyright (C) 2010-2013 David Rosca <nowrep@gmail.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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* ============================================================ */
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#include "downloaditem.h"
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#include "ui_downloaditem.h"
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#include "mainapplication.h"
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#include "qupzilla.h"
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#include "tabwidget.h"
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#include "webpage.h"
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#include "downloadmanager.h"
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#include "iconprovider.h"
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#include "networkmanager.h"
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#include "qztools.h"
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#include "schemehandlers/ftpschemehandler.h"
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#include <QMenu>
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#include <QClipboard>
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#include <QListWidgetItem>
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#include <QMouseEvent>
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#include <QTimer>
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#include <QFileInfo>
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#include <QMessageBox>
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#include <QDesktopServices>
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#ifdef Q_OS_WIN
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#include "Shlwapi.h"
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#endif
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//#define DOWNMANAGER_DEBUG
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DownloadItem::DownloadItem(QListWidgetItem* item, QNetworkReply* reply, const QString &path, const QString &fileName, const QPixmap &fileIcon, QTime* timer, bool openAfterFinishedDownload, const QUrl &downloadPage, DownloadManager* manager)
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: QWidget()
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, ui(new Ui::DownloadItem)
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, m_item(item)
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, m_reply(reply)
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, m_ftpDownloader(0)
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, m_path(path)
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, m_fileName(fileName)
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, m_downTimer(timer)
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, m_downUrl(reply->url())
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, m_downloadPage(downloadPage)
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, m_downloading(false)
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, m_openAfterFinish(openAfterFinishedDownload)
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, m_downloadStopped(false)
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, m_received(0)
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, m_total(0)
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{
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#ifdef DOWNMANAGER_DEBUG
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qDebug() << __FUNCTION__ << item << reply << path << fileName;
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#endif
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QString fullPath = path + fileName;
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if (QFile::exists(fullPath)) {
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QFile::remove(fullPath);
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}
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m_outputFile.setFileName(fullPath);
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ui->setupUi(this);
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setMaximumWidth(525);
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ui->button->setPixmap(qIconProvider->standardIcon(QStyle::SP_BrowserStop).pixmap(20, 20));
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ui->fileName->setText(m_fileName);
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ui->downloadInfo->setText(tr("Remaining time unavailable"));
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ui->fileIcon->setPixmap(fileIcon);
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setContextMenuPolicy(Qt::CustomContextMenu);
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connect(this, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(customContextMenuRequested(QPoint)));
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connect(ui->button, SIGNAL(clicked(QPoint)), this, SLOT(stop()));
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connect(manager, SIGNAL(resized(QSize)), this, SLOT(parentResized(QSize)));
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startDownloading();
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}
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void DownloadItem::setTotalSize(qint64 total)
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{
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if (total > 0) {
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m_total = total;
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}
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}
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void DownloadItem::startDownloading()
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{
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QUrl locationHeader = m_reply->header(QNetworkRequest::LocationHeader).toUrl();
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bool hasFtpUrlInHeader = locationHeader.isValid() && (locationHeader.scheme() == "ftp");
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if (m_reply->url().scheme() == "ftp" || hasFtpUrlInHeader) {
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QUrl url = hasFtpUrlInHeader ? locationHeader : m_reply->url();
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m_reply->abort();
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m_reply->deleteLater();
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m_reply = 0;
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startDownloadingFromFtp(url);
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return;
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}
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else if (locationHeader.isValid()) {
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m_reply->abort();
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m_reply->deleteLater();
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m_reply = mApp->networkManager()->get(QNetworkRequest(locationHeader));
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}
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m_reply->setParent(this);
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connect(m_reply, SIGNAL(finished()), this, SLOT(finished()));
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connect(m_reply, SIGNAL(readyRead()), this, SLOT(readyRead()));
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connect(m_reply, SIGNAL(downloadProgress(qint64,qint64)), this, SLOT(downloadProgress(qint64,qint64)));
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connect(m_reply, SIGNAL(error(QNetworkReply::NetworkError)), this, SLOT(error()));
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connect(m_reply, SIGNAL(metaDataChanged()), this, SLOT(metaDataChanged()));
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m_downloading = true;
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m_timer.start(1000, this);
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readyRead();
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QTimer::singleShot(200, this, SLOT(updateDownload()));
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if (m_reply->error() != QNetworkReply::NoError) {
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stop(false);
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error();
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}
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}
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void DownloadItem::startDownloadingFromFtp(const QUrl &url)
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{
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if (!m_outputFile.isOpen() && !m_outputFile.open(QIODevice::WriteOnly)) {
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stop(false);
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ui->downloadInfo->setText(tr("Error: Cannot write to file!"));
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return;
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}
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m_ftpDownloader = new FtpDownloader(this);
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connect(m_ftpDownloader, SIGNAL(finished()), this, SLOT(finished()));
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connect(m_ftpDownloader, SIGNAL(dataTransferProgress(qint64,qint64)), this, SLOT(downloadProgress(qint64,qint64)));
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connect(m_ftpDownloader, SIGNAL(errorOccured(QFtp::Error)), this, SLOT(error()));
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connect(m_ftpDownloader, SIGNAL(ftpAuthenticationRequierd(QUrl,QAuthenticator*)), mApp->networkManager(), SLOT(ftpAuthentication(QUrl,QAuthenticator*)));
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m_ftpDownloader->download(url, &m_outputFile);
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m_downloading = true;
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m_timer.start(1000, this);
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QTimer::singleShot(200, this, SLOT(updateDownload()));
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if (m_ftpDownloader->error() != QFtp::NoError) {
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error();
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}
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}
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void DownloadItem::parentResized(const QSize &size)
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{
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if (size.width() < 200) {
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return;
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}
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setMaximumWidth(size.width());
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}
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void DownloadItem::metaDataChanged()
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{
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QUrl locationHeader = m_reply->header(QNetworkRequest::LocationHeader).toUrl();
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if (locationHeader.isValid()) {
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m_reply->close();
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m_reply->deleteLater();
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m_reply = mApp->networkManager()->get(QNetworkRequest(locationHeader));
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startDownloading();
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}
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}
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void DownloadItem::finished()
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{
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#ifdef DOWNMANAGER_DEBUG
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qDebug() << __FUNCTION__ << m_reply;
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#endif
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m_timer.stop();
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QString host = m_reply ? m_reply->url().host() : m_ftpDownloader->url().host();
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ui->downloadInfo->setText(tr("Done - %1").arg(host));
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ui->progressBar->hide();
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ui->button->hide();
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ui->frame->hide();
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m_outputFile.close();
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if (m_reply) {
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m_reply->deleteLater();
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}
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else {
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m_ftpDownloader->deleteLater();
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}
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m_item->setSizeHint(sizeHint());
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#if QT_VERSION == 0x040700 // Workaround
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ui->button->show();
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ui->button->hide();
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#endif
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m_downloading = false;
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if (m_openAfterFinish) {
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openFile();
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}
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emit downloadFinished(true);
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}
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void DownloadItem::downloadProgress(qint64 received, qint64 total)
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{
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#ifdef DOWNMANAGER_DEBUG
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qDebug() << __FUNCTION__ << received << total;
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#endif
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qint64 currentValue = 0;
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qint64 totalValue = 0;
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if (total > 0) {
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currentValue = received * 100 / total;
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totalValue = 100;
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}
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ui->progressBar->setValue(currentValue);
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ui->progressBar->setMaximum(totalValue);
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m_currSpeed = received * 1000.0 / m_downTimer->elapsed();
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m_received = received;
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m_total = total;
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}
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void DownloadItem::timerEvent(QTimerEvent* event)
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{
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if (event->timerId() == m_timer.timerId()) {
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updateDownloadInfo(m_currSpeed, m_received, m_total);
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}
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else {
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QWidget::timerEvent(event);
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}
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}
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int DownloadItem::progress()
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{
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return ui->progressBar->value();
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}
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bool DownloadItem::isCancelled()
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{
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return ui->downloadInfo->text().startsWith(tr("Cancelled"));
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}
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QString DownloadItem::remaingTimeToString(QTime time)
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{
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if (time < QTime(0, 0, 10)) {
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return tr("few seconds");
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}
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else if (time < QTime(0, 1)) {
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return time.toString("s") + " " + tr("seconds");
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}
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else if (time < QTime(1, 0)) {
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return time.toString("m") + " " + tr("minutes");
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}
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else {
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return time.toString("h") + " " + tr("hours");
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}
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}
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QString DownloadItem::currentSpeedToString(double speed)
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{
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if (speed < 0) {
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return tr("Unknown speed");
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}
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speed /= 1024; // kB
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if (speed < 1000) {
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return QString::number(speed, 'f', 0) + " kB/s";
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}
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speed /= 1024; //MB
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if (speed < 1000) {
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return QString::number(speed, 'f', 2) + " MB/s";
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}
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speed /= 1024; //GB
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return QString::number(speed, 'f', 2) + " GB/s";
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}
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void DownloadItem::updateDownloadInfo(double currSpeed, qint64 received, qint64 total)
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{
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#ifdef DOWNMANAGER_DEBUG
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qDebug() << __FUNCTION__ << currSpeed << received << total;
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#endif
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// QString QString QString QString
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// | m_remTime | |m_currSize| |m_fileSize| |m_speed|
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// Remaining 26 minutes - 339MB of 693 MB (350kB/s)
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int estimatedTime = ((total - received) / 1024) / (currSpeed / 1024);
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QString speed = currentSpeedToString(currSpeed);
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// We have QString speed now
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QTime time;
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time = time.addSecs(estimatedTime);
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QString remTime = remaingTimeToString(time);
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m_remTime = time;
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QString currSize = QzTools::fileSizeToString(received);
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QString fileSize = QzTools::fileSizeToString(total);
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if (fileSize == tr("Unknown size")) {
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ui->downloadInfo->setText(tr("%2 - unknown size (%3)").arg(currSize, speed));
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}
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else {
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ui->downloadInfo->setText(tr("Remaining %1 - %2 of %3 (%4)").arg(remTime, currSize, fileSize, speed));
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}
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}
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void DownloadItem::stop(bool askForDeleteFile)
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{
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#ifdef DOWNMANAGER_DEBUG
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qDebug() << __FUNCTION__;
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#endif
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if (m_downloadStopped) {
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return;
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}
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m_downloadStopped = true;
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QString host;
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if (m_reply) {
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host = m_reply->url().host();
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}
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else if (m_ftpDownloader) {
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host = m_ftpDownloader->url().host();
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}
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m_openAfterFinish = false;
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m_timer.stop();
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if (m_reply) {
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m_reply->abort();
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}
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else if (m_ftpDownloader) {
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m_ftpDownloader->abort();
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m_ftpDownloader->close();
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}
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QString outputfile = QFileInfo(m_outputFile).absoluteFilePath();
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m_outputFile.close();
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ui->downloadInfo->setText(tr("Cancelled - %1").arg(host));
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ui->progressBar->hide();
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ui->button->hide();
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m_item->setSizeHint(sizeHint());
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#if QT_VERSION == 0x040700 // Workaround
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ui->button->show();
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ui->button->hide();
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#endif
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m_downloading = false;
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emit downloadFinished(false);
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if (askForDeleteFile) {
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QMessageBox::StandardButton button = QMessageBox::question(m_item->listWidget()->parentWidget(), tr("Delete file"), tr("Do you want to also delete dowloaded file?"), QMessageBox::Yes | QMessageBox::No);
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if (button == QMessageBox::Yes) {
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QFile::remove(outputfile);
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}
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}
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}
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void DownloadItem::mouseDoubleClickEvent(QMouseEvent* e)
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{
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openFile();
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e->accept();
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}
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void DownloadItem::customContextMenuRequested(const QPoint &pos)
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{
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QMenu menu;
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menu.addAction(QIcon::fromTheme("document-open"), tr("Open File"), this, SLOT(openFile()));
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menu.addAction(tr("Open Folder"), this, SLOT(openFolder()));
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menu.addSeparator();
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menu.addAction(tr("Go to Download Page"), this, SLOT(goToDownloadPage()))->setEnabled(!m_downloadPage.isEmpty());
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menu.addAction(QIcon::fromTheme("edit-copy"), tr("Copy Download Link"), this, SLOT(copyDownloadLink()));
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menu.addSeparator();
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menu.addAction(qIconProvider->standardIcon(QStyle::SP_BrowserStop), tr("Cancel downloading"), this, SLOT(stop()))->setEnabled(m_downloading);
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menu.addAction(QIcon::fromTheme("list-remove"), tr("Remove"), this, SLOT(clear()))->setEnabled(!m_downloading);
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if (m_downloading || ui->downloadInfo->text().startsWith(tr("Cancelled")) || ui->downloadInfo->text().startsWith(tr("Error"))) {
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menu.actions().at(0)->setEnabled(false);
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}
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menu.exec(mapToGlobal(pos));
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}
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void DownloadItem::goToDownloadPage()
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{
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QupZilla* qz = mApp->getWindow();
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if (qz) {
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qz->tabWidget()->addView(m_downloadPage, Qz::NT_SelectedTab);
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}
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else {
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mApp->makeNewWindow(Qz::BW_NewWindow, m_downloadPage);
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}
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}
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void DownloadItem::copyDownloadLink()
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{
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QApplication::clipboard()->setText(m_downUrl.toString());
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}
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void DownloadItem::clear()
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{
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emit deleteItem(this);
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}
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void DownloadItem::openFile()
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{
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if (m_downloading) {
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return;
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}
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QFileInfo info(m_path + m_fileName);
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if (info.exists()) {
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QDesktopServices::openUrl(QUrl::fromLocalFile(info.absoluteFilePath()));
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}
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else {
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QMessageBox::warning(m_item->listWidget()->parentWidget(), tr("Not found"), tr("Sorry, the file \n %1 \n was not found!").arg(info.absoluteFilePath()));
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}
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}
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void DownloadItem::openFolder()
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{
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#ifdef Q_OS_WIN
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QString winFileName = m_path + m_fileName;
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winFileName.replace(QLatin1Char('/'), "\\");
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QString shExArg = "/e,/select,\"" + winFileName + "\"";
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ShellExecute(NULL, NULL, TEXT("explorer.exe"), shExArg.toStdWString().c_str(), NULL, SW_SHOW);
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#else
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QDesktopServices::openUrl(QUrl::fromLocalFile(m_path));
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#endif
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}
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void DownloadItem::readyRead()
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{
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#ifdef DOWNMANAGER_DEBUG
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qDebug() << __FUNCTION__ ;
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#endif
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if (!m_outputFile.isOpen() && !m_outputFile.open(QIODevice::WriteOnly)) {
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stop(false);
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ui->downloadInfo->setText(tr("Error: Cannot write to file!"));
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return;
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}
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m_outputFile.write(m_reply->readAll());
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}
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void DownloadItem::error()
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{
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#ifdef DOWNMANAGER_DEBUG
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qDebug() << __FUNCTION__ << (m_reply ? m_reply->error() : m_ftpDownloader->error());
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#endif
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if (m_reply && m_reply->error() != QNetworkReply::NoError) {
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ui->downloadInfo->setText(tr("Error: ") + m_reply->errorString());
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}
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else if (m_ftpDownloader && m_ftpDownloader->error() != QFtp::NoError) {
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stop(false);
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ui->downloadInfo->setText(tr("Error: ") + m_ftpDownloader->errorString());
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}
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}
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void DownloadItem::updateDownload()
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{
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#ifdef DOWNMANAGER_DEBUG
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qDebug() << __FUNCTION__ ;
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#endif
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// after caling stop() (from readyRead()) m_reply will be a dangling pointer,
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// thus it should be checked after m_outputFile.isOpen()
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if (ui->progressBar->maximum() == 0 && m_outputFile.isOpen() &&
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((m_reply && m_reply->isFinished()) || (m_ftpDownloader && m_ftpDownloader->isFinished()))) {
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downloadProgress(0, 0);
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finished();
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}
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}
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DownloadItem::~DownloadItem()
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{
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delete ui;
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delete m_item;
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delete m_downTimer;
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}
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