251 lines
12 KiB
C++
251 lines
12 KiB
C++
#include "./downloadinteraction.h"
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#include "./settings.h"
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#include "../network/download.h"
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#include "../network/permissionstatus.h"
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#include <qtutilities/enterpassworddialog/enterpassworddialog.h>
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#include <QCoreApplication>
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#include <QFileDialog>
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#include <QMessageBox>
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#include <QPushButton>
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#include <QStringBuilder>
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using namespace Network;
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using namespace QtUtilities;
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namespace QtGui {
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DownloadInteraction::DownloadInteraction(QObject *parent)
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: QObject(parent)
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, m_parentWidget(nullptr)
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{
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}
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DownloadInteraction::DownloadInteraction(QWidget *parent)
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: QObject(parent)
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, m_parentWidget(parent)
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{
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}
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void DownloadInteraction::connectDownload(Download *download)
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{
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connect(download, &Download::outputDeviceRequired, this,
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static_cast<void (DownloadInteraction::*)(Download *, size_t)>(&DownloadInteraction::downloadRequiresOutputDevice));
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connect(download, &Download::overwriteingPermissionRequired, this, &DownloadInteraction::downloadRequriesOverwritePermission);
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connect(download, &Download::appendingPermissionRequired, this, &DownloadInteraction::downloadRequriesAppendingPermission);
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connect(download, &Download::redirectionPermissonRequired, this, &DownloadInteraction::downloadRequiresRedirectionPermission);
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connect(download, &Download::authenticationRequired, this, &DownloadInteraction::downloadRequiresAuthentication);
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connect(download, &Download::sslErrors, this, &DownloadInteraction::downloadHasSslErrors);
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}
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void DownloadInteraction::disconnectDownload(Download *download)
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{
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download->disconnect(this);
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}
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void DownloadInteraction::downloadRequiresOutputDevice(Download *download, size_t optionIndex)
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{
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downloadRequiresOutputDevice(download, optionIndex, false);
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}
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void DownloadInteraction::downloadRequiresOutputDevice(Download *download, size_t optionIndex, bool forceFileDialog)
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{
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QString fileName = download->suitableFilename();
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// use default directory and the "suitable file name" to determine the target path
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if (TargetPage::determineTargetFileWithoutAsking() // if correspondent option is set
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&& !forceFileDialog // and the caller don't wants to force the file dialog
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&& (TargetPage::targetDirectory().isEmpty() || QDir(TargetPage::targetDirectory()).exists()) // and the default directory exists or is empty
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&& !fileName.isEmpty()) { // and the file name is not empty
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download->provideOutputDevice(optionIndex, new QFile(TargetPage::targetDirectory() % QChar('/') % fileName), true);
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} else { // ask the user for the target path otherwise
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QFileDialog *dlg = new QFileDialog(m_parentWidget);
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#ifndef Q_OS_WIN
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// the native dialog can only be shown modal under Windows
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dlg->setModal(false);
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#endif
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dlg->setFileMode(QFileDialog::AnyFile);
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dlg->setAcceptMode(QFileDialog::AcceptSave);
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dlg->setDirectory(TargetPage::targetDirectory());
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dlg->selectFile(fileName);
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dlg->setOption(QFileDialog::DontConfirmOverwrite, true);
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if (!download->title().isEmpty()) {
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dlg->setWindowTitle(tr("Where to save »%1«?").arg(download->title()));
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}
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connect(dlg, &QFileDialog::finished, [download, optionIndex, dlg](int result) {
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if (result == QFileDialog::Accepted && dlg->selectedFiles().size() == 1) {
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download->provideOutputDevice(optionIndex, new QFile(dlg->selectedFiles().front()), true);
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} else {
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download->provideOutputDevice(optionIndex, nullptr);
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}
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dlg->deleteLater();
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});
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dlg->show();
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}
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}
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void DownloadInteraction::downloadRequriesOverwritePermission(Download *download, size_t optionIndex, const QString &file)
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{
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if (TargetPage::overwriteWithoutAsking()) {
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download->setOverwritePermission(optionIndex, PermissionStatus::Allowed);
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} else {
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QString message = tr("<p>The output file <i>%1</i> already exists.</p><p>Do you want to overwrite the existing file?</p>").arg(file);
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QMessageBox *dlg = new QMessageBox(m_parentWidget);
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dlg->setModal(false);
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dlg->setTextFormat(Qt::RichText);
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dlg->setText(message);
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dlg->setIcon(QMessageBox::Warning);
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QPushButton *overwriteButton = dlg->addButton(tr("Overwrite (only this time)"), QMessageBox::YesRole);
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QPushButton *overwriteAlwaysButton = dlg->addButton(tr("Overwrite (always)"), QMessageBox::YesRole);
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QPushButton *selectOtherButton = dlg->addButton(tr("Select other download target"), QMessageBox::ActionRole);
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QPushButton *abortButton = dlg->addButton(tr("Abort"), QMessageBox::NoRole);
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dlg->setEscapeButton(abortButton);
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// show warning message
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connect(dlg, &QMessageBox::finished,
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[download, optionIndex, dlg, overwriteButton, overwriteAlwaysButton, selectOtherButton, abortButton, this](int) {
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if (dlg->clickedButton() == overwriteAlwaysButton) {
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// set dontAskBeforeOverwriting to true if the user clicked yes to all
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TargetPage::overwriteWithoutAsking() = true;
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}
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if (dlg->clickedButton() == overwriteButton || dlg->clickedButton() == overwriteAlwaysButton) {
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download->setOverwritePermission(optionIndex, PermissionStatus::Allowed);
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} else if (dlg->clickedButton() == selectOtherButton) {
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downloadRequiresOutputDevice(download, optionIndex, true);
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} else {
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download->setOverwritePermission(optionIndex, PermissionStatus::Refused);
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}
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dlg->deleteLater();
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});
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dlg->show();
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}
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}
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void DownloadInteraction::downloadRequriesAppendingPermission(
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Download *download, size_t optionIndex, const QString &file, quint64 offset, quint64 fileSize)
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{
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if (TargetPage::overwriteWithoutAsking()) {
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download->setAppendPermission(optionIndex, PermissionStatus::Allowed);
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} else {
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QString message = tr("<p>The output file <i>%1</i> already exists. The downloader assumes it contains previously downloaded data.</p><p>Do "
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"you want to <b>append</b> the received data to the existing file?</p>")
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.arg(file);
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if (offset != fileSize) {
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message.append(
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tr("<p><b>The current download offset (%1) does not match the size of the existing file (%2).</b></p>").arg(offset).arg(fileSize));
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}
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QMessageBox *dlg = new QMessageBox(m_parentWidget);
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dlg->setModal(false);
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dlg->setTextFormat(Qt::RichText);
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dlg->setText(message);
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dlg->setIcon(QMessageBox::Warning);
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QPushButton *appendButton = dlg->addButton(tr("Append"), QMessageBox::YesRole);
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QPushButton *abortButton = dlg->addButton(tr("Abort"), QMessageBox::NoRole);
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dlg->setEscapeButton(abortButton);
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// show warning message
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connect(dlg, &QMessageBox::finished, [download, optionIndex, dlg, appendButton, abortButton, this](int) {
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if (dlg->clickedButton() == appendButton) {
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download->setAppendPermission(optionIndex, PermissionStatus::Allowed);
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} else {
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download->setAppendPermission(optionIndex, PermissionStatus::Refused);
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}
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dlg->deleteLater();
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});
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dlg->show();
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}
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}
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void DownloadInteraction::downloadRequiresRedirectionPermission(Download *download, size_t optionIndex)
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{
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if (MiscPage::redirectWithoutAsking()) {
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download->setRedirectPermission(optionIndex, PermissionStatus::Allowed);
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} else {
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const QUrl &originalUrl = download->downloadUrl(download->options().at(optionIndex).redirectionOf());
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const QUrl &newUrl = download->downloadUrl(optionIndex);
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QString message = tr(
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"<p>Do you want to redirect form <i>%1</i> to <i>%2</i>?</p><p>The redirection URL will be added to the options so you can it select "
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"later, too.</p>")
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.arg(originalUrl.toString(), newUrl.toString());
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QMessageBox *dlg = new QMessageBox(m_parentWidget);
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dlg->setModal(false);
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dlg->setTextFormat(Qt::RichText);
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dlg->setText(message);
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dlg->setIcon(QMessageBox::Question);
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dlg->setStandardButtons(QMessageBox::Yes | QMessageBox::YesToAll | QMessageBox::No);
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connect(dlg, &QMessageBox::finished, [download, optionIndex, dlg, this](int result) {
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switch (result) {
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case QMessageBox::YesToAll:
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MiscPage::redirectWithoutAsking() = true;
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download->setRedirectPermission(optionIndex, PermissionStatus::AlwaysAllowed);
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break;
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case QMessageBox::Yes:
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download->setRedirectPermission(optionIndex, PermissionStatus::Allowed);
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break;
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default:
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download->setRedirectPermission(optionIndex, PermissionStatus::Refused);
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}
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dlg->deleteLater();
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});
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connect(download, &Download::destroyed, dlg, &QMessageBox::deleteLater);
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dlg->show();
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}
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}
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void DownloadInteraction::downloadRequiresAuthentication(Download *download, size_t optionIndex, const QString &realm)
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{
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auto *const dlg = new EnterPasswordDialog(m_parentWidget);
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QString downloadName = download->downloadUrl().isEmpty() ? download->id() : download->downloadUrl().toString();
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dlg->setModal(false);
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dlg->setPromptForUserName(true);
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dlg->setPasswordRequired(true);
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dlg->setInstruction(tr("<p>Enter authentication credentials for the download <i>%1</i>.</p>").arg(downloadName));
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if (!realm.isEmpty()) {
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dlg->setDescription(tr("Realm: %1").arg(realm));
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}
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connect(dlg, &EnterPasswordDialog::accepted, [download, optionIndex, dlg] {
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download->provideAuthenticationCredentials(optionIndex, AuthenticationCredentials(dlg->userName(), dlg->password()));
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dlg->deleteLater();
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});
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connect(download, &Download::destroyed, dlg, &QMessageBox::deleteLater);
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dlg->adjustSize();
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dlg->show();
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}
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void DownloadInteraction::downloadHasSslErrors(Download *download, size_t optionIndex, const QList<QSslError> &sslErrors)
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{
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QString downloadName = download->downloadUrl().isEmpty() ? download->id() : download->downloadUrl().toString();
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QString details;
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for (const QSslError &error : sslErrors) {
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if (!details.isEmpty()) {
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details.append(QStringLiteral("\n\n"));
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}
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details.append(error.errorString());
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if (!error.certificate().isNull()) {
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details.append(QChar('\n'));
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details.append(error.certificate().toText());
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}
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}
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auto *dlg = new QMessageBox(m_parentWidget);
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dlg->setModal(false);
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dlg->setWindowTitle(tr("SSL errors occurred") % QStringLiteral(" - ") % QCoreApplication::applicationName());
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dlg->setTextFormat(Qt::RichText);
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dlg->setText(tr("The download <i>%1</i> has SSL errors.").arg(downloadName));
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dlg->setInformativeText(tr("Do you want to ignore the SSL errors for this download?"));
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dlg->setDetailedText(details);
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dlg->setIcon(QMessageBox::Warning);
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dlg->setStandardButtons(QMessageBox::Yes | QMessageBox::No);
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connect(dlg, &QMessageBox::finished, [download, optionIndex, dlg](int result) {
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switch (result) {
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case QMessageBox::Yes:
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download->setIgnoreSslErrorsPermission(optionIndex, PermissionStatus::Allowed);
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break;
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default:
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download->setIgnoreSslErrorsPermission(optionIndex, PermissionStatus::Refused);
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}
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dlg->deleteLater();
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});
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connect(download, &Download::destroyed, dlg, &QMessageBox::deleteLater);
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dlg->show();
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}
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} // namespace QtGui
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