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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** 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.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qgenericunixservices_p.h"
#include <QtCore/QStandardPaths>
#include <QtCore/QProcess>
#include <QtCore/QUrl>
#include <QtCore/QDebug>
#include <stdlib.h>
QT_BEGIN_NAMESPACE
enum { debug = 0 };
static inline QGenericUnixServices::DesktopEnvironment detectDesktopEnvironment()
{
if (!qgetenv("KDE_FULL_SESSION").isEmpty())
return QGenericUnixServices::DE_KDE;
// GNOME_DESKTOP_SESSION_ID is deprecated for some reason, but still check it
if (qgetenv("DESKTOP_SESSION") == "gnome" || !qgetenv("GNOME_DESKTOP_SESSION_ID").isEmpty())
return QGenericUnixServices::DE_GNOME;
return QGenericUnixServices::DE_UNKNOWN;
}
static inline bool checkExecutable(const QString &candidate, QString *result)
{
*result = QStandardPaths::findExecutable(candidate);
return !result->isEmpty();
}
static inline bool detectWebBrowser(QGenericUnixServices::DesktopEnvironment desktop,
bool checkBrowserVariable,
QString *browser)
{
const char *browsers[] = {"google-chrome", "firefox", "mozilla", "opera"};
browser->clear();
if (checkExecutable(QStringLiteral("xdg-open"), browser))
return true;
if (checkBrowserVariable) {
QByteArray browserVariable = qgetenv("DEFAULT_BROWSER");
if (browserVariable.isEmpty())
browserVariable = qgetenv("BROWSER");
if (!browserVariable.isEmpty() && checkExecutable(QString::fromLocal8Bit(browserVariable), browser))
return true;
}
switch (desktop) {
case QGenericUnixServices::DE_UNKNOWN:
break;
case QGenericUnixServices::DE_KDE:
// Konqueror launcher
if (checkExecutable(QStringLiteral("kfmclient"), browser)) {
browser->append(QStringLiteral(" exec"));
return true;
}
case QGenericUnixServices::DE_GNOME:
if (checkExecutable(QStringLiteral("gnome-open"), browser))
return true;
break;
}
for (size_t i = 0; i < sizeof(browsers)/sizeof(char *); ++i)
if (checkExecutable(QLatin1String(browsers[i]), browser))
return true;
return false;
}
static inline bool launch(const QString &launcher, const QUrl &url)
{
const QString command = launcher + QLatin1Char(' ') + QLatin1String(url.toEncoded());
if (debug)
qDebug("Launching %s", qPrintable(command));
#if defined(QT_NO_PROCESS)
const bool ok = ::system(qPrintable(command + QStringLiteral(" &")));
#else
const bool ok = QProcess::startDetached(command);
#endif
if (!ok)
qWarning("Launch failed (%s)", qPrintable(command));
return ok;
}
QGenericUnixServices::QGenericUnixServices() :
m_desktopEnvironment(detectDesktopEnvironment())
{
}
bool QGenericUnixServices::openUrl(const QUrl &url)
{
if (url.scheme() == QStringLiteral("mailto"))
return openDocument(url);
if (m_webBrowser.isEmpty() && !detectWebBrowser(m_desktopEnvironment, true, &m_webBrowser)) {
qWarning("%s: Unable to detect a web browser to launch '%s'", Q_FUNC_INFO, qPrintable(url.toString()));
return false;
}
return launch(m_webBrowser, url);
}
bool QGenericUnixServices::openDocument(const QUrl &url)
{
if (m_documentLauncher.isEmpty() && !detectWebBrowser(m_desktopEnvironment, false, &m_documentLauncher)) {
qWarning("%s: Unable to detect a launcher for '%s'", Q_FUNC_INFO, qPrintable(url.toString()));
return false;
}
return launch(m_documentLauncher, url);
}
QT_END_NAMESPACE
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