1 files changed, 149 insertions, 0 deletions
diff --git a/src/libs/installer/extractarchiveoperation.cpp b/src/libs/installer/extractarchiveoperation.cpp
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+++ b/src/libs/installer/extractarchiveoperation.cpp
@@ -0,0 +1,149 @@
+/**************************************************************************
+**
+** This file is part of Installer Framework
+**
+** Copyright (c) 2011-2012 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+**
+** GNU Lesser General Public License Usage
+**
+** 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.
+**
+** Other Usage
+**
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**************************************************************************/
+
+#include "extractarchiveoperation.h"
+#include "extractarchiveoperation_p.h"
+
+#include <QtCore/QEventLoop>
+#include <QtCore/QThread>
+#include <QtCore/QThreadPool>
+
+using namespace QInstaller;
+
+
+ExtractArchiveOperation::ExtractArchiveOperation()
+{
+    setName(QLatin1String("Extract"));
+}
+
+void ExtractArchiveOperation::backup()
+{
+    // we need to backup on the fly...
+}
+
+bool ExtractArchiveOperation::performOperation()
+{
+    const QStringList args = arguments();
+    if (args.count() != 2) {
+        setError(InvalidArguments);
+        setErrorString(tr("Invalid arguments in %0: %1 arguments given, 2 expected.").arg(name()).arg(args
+            .count()));
+        return false;
+    }
+
+    const QString archivePath = args.first();
+    const QString targetDir = args.at(1);
+
+    Receiver receiver;
+    Callback callback;
+
+    // usually we have to connect it as queued connection but then some blocking work is in the main thread
+    connect(&callback, SIGNAL(progressChanged(QString)), this, SLOT(slotProgressChanged(QString)),
+        Qt::DirectConnection);
+
+    if (PackageManagerCore *core = this->value(QLatin1String("installer")).value<PackageManagerCore*>()) {
+        connect(core, SIGNAL(statusChanged(QInstaller::PackageManagerCore::Status)), &callback,
+            SLOT(statusChanged(QInstaller::PackageManagerCore::Status)), Qt::QueuedConnection);
+    }
+
+    //Runnable is derived from QRunable which will be deleted by the ThreadPool -> no parent is needed
+    Runnable *runnable = new Runnable(archivePath, targetDir, &callback);
+    connect(runnable, SIGNAL(finished(bool,QString)), &receiver, SLOT(runnableFinished(bool,QString)),
+        Qt::QueuedConnection);
+
+    QEventLoop loop;
+    connect(&receiver, SIGNAL(finished()), &loop, SLOT(quit()));
+    if (QThreadPool::globalInstance()->tryStart(runnable)) {
+        loop.exec();
+    } else {
+        // in case there is no availabe thread we should call it directly this is more a hack
+        runnable->run();
+        receiver.runnableFinished(true, QString());
+    }
+
+    typedef QPair<QString, QString> StringPair;
+    QVector<StringPair> backupFiles = callback.backupFiles;
+
+    //TODO use backups for rollback, too? doesn't work for uninstallation though
+
+    //delete all backups we can delete right now, remember the rest
+    foreach (const StringPair &i, backupFiles)
+        deleteFileNowOrLater(i.second);
+
+    if (!receiver.success) {
+        setError(UserDefinedError);
+        setErrorString(receiver.errorString);
+        return false;
+    }
+    return true;
+}
+
+bool ExtractArchiveOperation::undoOperation()
+{
+    Q_ASSERT(arguments().count() == 2);
+    //const QString archivePath = arguments().first();
+    //const QString targetDir = arguments().last();
+
+    const QStringList files = value(QLatin1String("files")).toStringList();
+
+    WorkerThread *const thread = new WorkerThread(this, files);
+    connect(thread, SIGNAL(outputTextChanged(QString)), this, SIGNAL(outputTextChanged(QString)),
+        Qt::QueuedConnection);
+
+    QEventLoop loop;
+    connect(thread, SIGNAL(finished()), &loop, SLOT(quit()), Qt::QueuedConnection);
+    thread->start();
+    loop.exec();
+    thread->deleteLater();
+    return true;
+}
+
+bool ExtractArchiveOperation::testOperation()
+{
+    return true;
+}
+
+Operation *ExtractArchiveOperation::clone() const
+{
+    return new ExtractArchiveOperation();
+}
+
+/*!
+    This slot is direct connected to the caller so please don't call it from another thread in the same time.
+*/
+void ExtractArchiveOperation::slotProgressChanged(const QString &filename)
+{
+    QStringList files = value(QLatin1String("files")).toStringList();
+    files.prepend(filename);
+    setValue(QLatin1String("files"), files);
+    emit outputTextChanged(filename);
+}