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#include <QtGui>
#include <QtNetwork>
#include "httpwindow.h"
#include "ui_authenticationdialog.h"
HttpWindow::HttpWindow(QWidget *parent)
: QDialog(parent)
{
urlLineEdit = new QLineEdit("https:<span class="comment">//</span>");
urlLabel = new QLabel(tr("&URL:"));
urlLabel->setBuddy(urlLineEdit);
statusLabel = new QLabel(tr("Please enter the URL of a file you want to "
"download."));
downloadButton = new QPushButton(tr("Download"));
downloadButton->setDefault(true);
quitButton = new QPushButton(tr("Quit"));
quitButton->setAutoDefault(false);
buttonBox = new QDialogButtonBox;
buttonBox->addButton(downloadButton, QDialogButtonBox::ActionRole);
buttonBox->addButton(quitButton, QDialogButtonBox::RejectRole);
progressDialog = new QProgressDialog(this);
http = new QHttp(this);
connect(urlLineEdit, SIGNAL(textChanged(const QString &)),
this, SLOT(enableDownloadButton()));
connect(http, SIGNAL(requestFinished(int, bool)),
this, SLOT(httpRequestFinished(int, bool)));
connect(http, SIGNAL(dataReadProgress(int, int)),
this, SLOT(updateDataReadProgress(int, int)));
connect(http, SIGNAL(responseHeaderReceived(const QHttpResponseHeader &)),
this, SLOT(readResponseHeader(const QHttpResponseHeader &)));
connect(http, SIGNAL(authenticationRequired(const QString &, quint16, QAuthenticator *)),
this, SLOT(slotAuthenticationRequired(const QString &, quint16, QAuthenticator *)));
connect(progressDialog, SIGNAL(canceled()), this, SLOT(cancelDownload()));
connect(downloadButton, SIGNAL(clicked()), this, SLOT(downloadFile()));
connect(quitButton, SIGNAL(clicked()), this, SLOT(close()));
QHBoxLayout *topLayout = new QHBoxLayout;
topLayout->addWidget(urlLabel);
topLayout->addWidget(urlLineEdit);
QVBoxLayout *mainLayout = new QVBoxLayout;
mainLayout->addLayout(topLayout);
mainLayout->addWidget(statusLabel);
mainLayout->addWidget(buttonBox);
setLayout(mainLayout);
setWindowTitle(tr("HTTP"));
urlLineEdit->setFocus();
}
void HttpWindow::downloadFile()
{
QUrl url(urlLineEdit->text());
QFileInfo fileInfo(url.path());
QString fileName = fileInfo.fileName();
if (fileName.isEmpty())
fileName = "index.html";
if (QFile::exists(fileName)) {
if (QMessageBox::question(this, tr("HTTP"),
tr("There already exists a file called %1 in "
"the current directory. Overwrite?").arg(fileName),
QMessageBox::Ok|QMessageBox::Cancel, QMessageBox::Cancel)
== QMessageBox::Cancel)
return;
QFile::remove(fileName);
}
file = new QFile(fileName);
if (!file->open(QIODevice::WriteOnly)) {
QMessageBox::information(this, tr("HTTP"),
tr("Unable to save the file %1: %2.")
.arg(fileName).arg(file->errorString()));
delete file;
file = 0;
return;
}
QHttp::ConnectionMode mode = url.scheme().toLower() == "https" ? QHttp::ConnectionModeHttps : QHttp::ConnectionModeHttp;
http->setHost(url.host(), mode, url.port() == -1 ? 0 : url.port());
if (!url.userName().isEmpty())
http->setUser(url.userName(), url.password());
httpRequestAborted = false;
httpGetId = http->get(url.path(), file);
progressDialog->setWindowTitle(tr("HTTP"));
progressDialog->setLabelText(tr("Downloading %1.").arg(fileName));
downloadButton->setEnabled(false);
}
void HttpWindow::cancelDownload()
{
statusLabel->setText(tr("Download canceled."));
httpRequestAborted = true;
http->abort();
downloadButton->setEnabled(true);
}
void HttpWindow::httpRequestFinished(int requestId, bool error)
{
if (requestId != httpGetId)
return;
if (httpRequestAborted) {
if (file) {
file->close();
file->remove();
delete file;
file = 0;
}
progressDialog->hide();
return;
}
if (requestId != httpGetId)
return;
progressDialog->hide();
file->close();
if (error) {
file->remove();
QMessageBox::information(this, tr("HTTP"),
tr("Download failed: %1.")
.arg(http->errorString()));
} else {
QString fileName = QFileInfo(QUrl(urlLineEdit->text()).path()).fileName();
statusLabel->setText(tr("Downloaded %1 to current directory.").arg(fileName));
}
downloadButton->setEnabled(true);
delete file;
file = 0;
}
void HttpWindow::readResponseHeader(const QHttpResponseHeader &responseHeader)
{
if (responseHeader.statusCode() != 200) {
QMessageBox::information(this, tr("HTTP"),
tr("Download failed: %1.")
.arg(responseHeader.reasonPhrase()));
httpRequestAborted = true;
progressDialog->hide();
http->abort();
return;
}
}
void HttpWindow::updateDataReadProgress(int bytesRead, int totalBytes)
{
if (httpRequestAborted)
return;
progressDialog->setMaximum(totalBytes);
progressDialog->setValue(bytesRead);
}
void HttpWindow::enableDownloadButton()
{
downloadButton->setEnabled(!urlLineEdit->text().isEmpty());
}
void HttpWindow::slotAuthenticationRequired(const QString &hostName, quint16, QAuthenticator *authenticator)
{
QDialog dlg;
Ui::Dialog ui;
ui.setupUi(&dlg);
dlg.adjustSize();
ui.siteDescription->setText(tr("%1 at %2").arg(authenticator->realm()).arg(hostName));
if (dlg.exec() == QDialog::Accepted) {
authenticator->setUser(ui.userEdit->text());
authenticator->setPassword(ui.passwordEdit->text());
}
}</pre>
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distrib
>
Mandriva
>
2008.1
>
x86_64
>
media
>
main-release
>
by-pkgid
>
c5a68a1bfbb41dd7ab32131d8bbca747
>
files
>
1631
