diff options
Diffstat (limited to 'src/assistant/tools/assistant/installdialog.cpp')
| -rw-r--r-- | src/assistant/tools/assistant/installdialog.cpp | 355 |
1 files changed, 355 insertions, 0 deletions
diff --git a/src/assistant/tools/assistant/installdialog.cpp b/src/assistant/tools/assistant/installdialog.cpp new file mode 100644 index 000000000..29473a2f9 --- /dev/null +++ b/src/assistant/tools/assistant/installdialog.cpp @@ -0,0 +1,355 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the Qt Assistant of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ +#include "tracer.h" + +#include "installdialog.h" + +#include <QtCore/QTimer> +#include <QtCore/QUrl> +#include <QtCore/QBuffer> +#include <QtCore/QDir> +#include <QtCore/QFile> +#include <QtCore/QCryptographicHash> + +#include <QtGui/QMessageBox> +#include <QtGui/QFileDialog> + +#include <QtHelp/QHelpEngineCore> + +#include <QtNetwork/QHttp> + +QT_BEGIN_NAMESPACE +#ifndef QT_NO_HTTP + +#define QCH_FILENAME 92943 +#define QCH_NAMESPACE 92944 +#define QCH_CHECKSUM 92945 + +InstallDialog::InstallDialog(QHelpEngineCore *helpEngine, QWidget *parent, + const QString &host, int port) + : QDialog(parent), m_helpEngine(helpEngine), m_host(host), m_port(port) +{ + TRACE_OBJ + m_ui.setupUi(this); + + m_ui.installButton->setEnabled(false); + m_ui.cancelButton->setEnabled(false); + m_ui.pathLineEdit->setText(QFileInfo(m_helpEngine->collectionFile()).absolutePath()); + m_ui.progressBar->hide(); + + m_windowTitle = tr("Install Documentation"); + + m_http = new QHttp(this); + connect(m_http, SIGNAL(requestFinished(int,bool)), + this, SLOT(httpRequestFinished(int,bool))); + connect(m_http, SIGNAL(dataReadProgress(int,int)), + this, SLOT(updateDataReadProgress(int,int))); + connect(m_http, SIGNAL(responseHeaderReceived(QHttpResponseHeader)), + this, SLOT(readResponseHeader(QHttpResponseHeader))); + connect(m_ui.installButton, SIGNAL(clicked()), this, SLOT(install())); + connect(m_ui.cancelButton, SIGNAL(clicked()), this, SLOT(cancelDownload())); + connect(m_ui.browseButton, SIGNAL(clicked()), this, SLOT(browseDirectories())); + + connect(m_ui.listWidget, SIGNAL(itemChanged(QListWidgetItem*)), + this, SLOT(updateInstallButton())); + + QTimer::singleShot(0, this, SLOT(init())); +} + +InstallDialog::~InstallDialog() +{ + TRACE_OBJ +} + +QStringList InstallDialog::installedDocumentations() const +{ + TRACE_OBJ + return m_installedDocumentations; +} + +void InstallDialog::init() +{ + TRACE_OBJ + m_ui.statusLabel->setText(tr("Downloading documentation info...")); + m_ui.progressBar->show(); + + QUrl url(QLatin1String("http://qt.nokia.com/doc/assistantdocs/docs.txt")); + m_buffer = new QBuffer(); + m_buffer->open(QBuffer::ReadWrite); + + if (m_port > -1) + m_http->setProxy(m_host, m_port); + m_http->setHost(url.host()); + m_httpAborted = false; + m_docInfoId = m_http->get(url.path(), m_buffer); + + m_ui.cancelButton->setEnabled(true); + m_ui.closeButton->setEnabled(false); +} + +void InstallDialog::updateInstallButton() +{ + TRACE_OBJ + QListWidgetItem *item = 0; + for (int i=0; i<m_ui.listWidget->count(); ++i) { + item = m_ui.listWidget->item(i); + if (item->checkState() == Qt::Checked + && item->flags() & Qt::ItemIsEnabled) { + m_ui.installButton->setEnabled(true); + return; + } + } + m_ui.installButton->setEnabled(false); +} + +void InstallDialog::updateDocItemList() +{ + TRACE_OBJ + QStringList registeredDocs = m_helpEngine->registeredDocumentations(); + QListWidgetItem *item = 0; + for (int i=0; i<m_ui.listWidget->count(); ++i) { + item = m_ui.listWidget->item(i); + QString ns = item->data(QCH_NAMESPACE).toString(); + if (!ns.isEmpty() && registeredDocs.contains(ns)) { + item->setFlags(Qt::ItemIsUserCheckable); + item->setCheckState(Qt::Checked); + } + item->setCheckState(Qt::Unchecked); + } +} + +void InstallDialog::cancelDownload() +{ + TRACE_OBJ + m_ui.statusLabel->setText(tr("Download canceled.")); + m_httpAborted = true; + m_itemsToInstall.clear(); + m_http->abort(); + m_ui.cancelButton->setEnabled(false); + m_ui.closeButton->setEnabled(true); + updateInstallButton(); +} + +void InstallDialog::install() +{ + TRACE_OBJ + QListWidgetItem *item = 0; + for (int i=0; i<m_ui.listWidget->count(); ++i) { + item = m_ui.listWidget->item(i); + if (item->checkState() == Qt::Checked) + m_itemsToInstall.append(item); + } + m_ui.installButton->setEnabled(false); + downloadNextFile(); +} + +void InstallDialog::downloadNextFile() +{ + TRACE_OBJ + if (!m_itemsToInstall.count()) { + m_ui.cancelButton->setEnabled(false); + m_ui.closeButton->setEnabled(true); + m_ui.statusLabel->setText(tr("Done.")); + m_ui.progressBar->hide(); + updateDocItemList(); + updateInstallButton(); + return; + } + + QListWidgetItem *item = m_itemsToInstall.dequeue(); + m_currentCheckSum = item->data(QCH_CHECKSUM).toString(); + QString fileName = item->data(QCH_FILENAME).toString(); + QString saveFileName = m_ui.pathLineEdit->text() + QDir::separator() + + fileName; + + if (QFile::exists(saveFileName) + && QMessageBox::information(this, m_windowTitle, + tr("The file %1 already exists. Do you want to overwrite it?") + .arg(saveFileName), QMessageBox::Yes | QMessageBox::No, + QMessageBox::Yes) == QMessageBox::No) { + installFile(saveFileName); + downloadNextFile(); + return; + } + + m_file = new QFile(saveFileName); + if (!m_file->open(QIODevice::WriteOnly|QIODevice::Truncate)) { + QMessageBox::information(this, m_windowTitle, + tr("Unable to save the file %1: %2.") + .arg(saveFileName).arg(m_file->errorString())); + delete m_file; + m_file = 0; + downloadNextFile(); + return; + } + + m_ui.statusLabel->setText(tr("Downloading %1...").arg(fileName)); + m_ui.progressBar->show(); + + QLatin1String urlStr("http://qt.nokia.com/doc/assistantdocs/%1"); + QUrl url(QString(urlStr).arg(fileName)); + + m_httpAborted = false; + m_docId = m_http->get(url.path(), m_file); + + m_ui.cancelButton->setEnabled(true); + m_ui.closeButton->setEnabled(false); +} + +void InstallDialog::httpRequestFinished(int requestId, bool error) +{ + TRACE_OBJ + if (requestId == m_docInfoId && m_buffer) { + m_ui.progressBar->hide(); + if (error) { + QMessageBox::information(this, m_windowTitle, + tr("Download failed: %1.") + .arg(m_http->errorString())); + } else if (!m_httpAborted) { + QStringList registeredDocs = m_helpEngine->registeredDocumentations(); + m_buffer->seek(0); + while (m_buffer->canReadLine()) { + QByteArray ba = m_buffer->readLine(); + QStringList lst = QString::fromAscii(ba.constData()).split(QLatin1Char('|')); + if (lst.count() != 4) { + QMessageBox::information(this, m_windowTitle, + tr("Documentation info file is corrupt!")); + } else { + QListWidgetItem *item = new QListWidgetItem(m_ui.listWidget); + item->setText(lst.at(2).trimmed()); + item->setData(QCH_FILENAME, lst.first()); + item->setData(QCH_NAMESPACE, lst.at(1)); + item->setData(QCH_CHECKSUM, lst.last().trimmed()); + } + } + updateDocItemList(); + } + if (m_buffer) + m_buffer->close(); + delete m_buffer; + m_buffer = 0; + m_ui.statusLabel->setText(tr("Done.")); + m_ui.cancelButton->setEnabled(false); + m_ui.closeButton->setEnabled(true); + updateInstallButton(); + } else if (requestId == m_docId) { + m_file->close(); + if (!m_httpAborted) { + QString checkSum; + if (m_file->open(QIODevice::ReadOnly)) { + QByteArray digest = QCryptographicHash::hash(m_file->readAll(), + QCryptographicHash::Md5); + m_file->close(); + checkSum = QString::fromLatin1(digest.toHex()); + } + if (error) { + m_file->remove(); + QMessageBox::warning(this, m_windowTitle, + tr("Download failed: %1.") + .arg(m_http->errorString())); + } else if (checkSum.isEmpty() || m_currentCheckSum != checkSum) { + m_file->remove(); + QMessageBox::warning(this, m_windowTitle, + tr("Download failed: Downloaded file is corrupted.")); + } else { + m_ui.statusLabel->setText(tr("Installing documentation %1...") + .arg(QFileInfo(m_file->fileName()).fileName())); + m_ui.progressBar->setMaximum(0); + m_ui.statusLabel->setText(tr("Done.")); + installFile(m_file->fileName()); + } + } else { + m_file->remove(); + } + delete m_file; + m_file = 0; + downloadNextFile(); + } +} + +void InstallDialog::installFile(const QString &fileName) +{ + TRACE_OBJ + if (m_helpEngine->registerDocumentation(fileName)) { + m_installedDocumentations + .append(QHelpEngineCore::namespaceName(fileName)); + } else { + QMessageBox::information(this, m_windowTitle, + tr("Error while installing documentation:\n%1") + .arg(m_helpEngine->error())); + } +} + +void InstallDialog::readResponseHeader(const QHttpResponseHeader &responseHeader) +{ + TRACE_OBJ + if (responseHeader.statusCode() != 200) { + QMessageBox::information(this, m_windowTitle, + tr("Download failed: %1.") + .arg(responseHeader.reasonPhrase())); + m_httpAborted = true; + m_ui.progressBar->hide(); + m_http->abort(); + return; + } +} + +void InstallDialog::updateDataReadProgress(int bytesRead, int totalBytes) +{ + TRACE_OBJ + if (m_httpAborted) + return; + + m_ui.progressBar->setMaximum(totalBytes); + m_ui.progressBar->setValue(bytesRead); +} + +void InstallDialog::browseDirectories() +{ + TRACE_OBJ + QString dir = QFileDialog::getExistingDirectory(this, m_windowTitle, + m_ui.pathLineEdit->text()); + if (!dir.isEmpty()) + m_ui.pathLineEdit->setText(dir); +} + +#endif +QT_END_NAMESPACE |