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/*
* Copyright (C) 2011 Daniele E. Domenichelli <daniele.domenichelli@gmail.com>
* Copyright (C) 1999 Preston Brown <pbrown@kde.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "telepathy-handler-application.h"
#include "debug.h"
#include <cstdlib>
#include <QTimer>
#include <KCmdLineArgs>
#include <KDebug>
#include <TelepathyQt/Types>
#include <TelepathyQt/Debug>
extern bool kde_kdebug_enable_dbus_interface;
namespace KTp
{
class TelepathyHandlerApplication::Private
{
public:
Private(TelepathyHandlerApplication *q);
~Private();
void _k_onInitialTimeout();
void _k_onTimeout();
static KComponentData initHack();
void init(int initialTimeout, int timeout);
TelepathyHandlerApplication *q;
static bool s_persist;
static bool s_debug;
int initialTimeout;
int timeout;
QTimer *timer;
bool firstJobStarted;
QAtomicInt jobCount;
};
TelepathyHandlerApplication::Private::Private(TelepathyHandlerApplication *q)
: q(q),
firstJobStarted(false),
jobCount(0)
{
}
TelepathyHandlerApplication::Private::~Private()
{
}
void TelepathyHandlerApplication::Private::_k_onInitialTimeout()
{
if (jobCount == 0 && jobCount.fetchAndAddOrdered(-1) == 0) {
// m_jobCount is now -1
kDebug() << "No job received. Exiting";
QCoreApplication::quit();
}
}
void TelepathyHandlerApplication::Private::_k_onTimeout()
{
if (jobCount == 0 && jobCount.fetchAndAddOrdered(-1) == 0) {
// m_jobCount is now -1
kDebug() << "Timeout. Exiting";
QCoreApplication::quit();
}
}
// this gets called before even entering QApplication::QApplication()
KComponentData TelepathyHandlerApplication::Private::initHack()
{
// This is a very very very ugly hack that attempts to solve the following problem:
// D-Bus service activated applications inherit the environment of dbus-daemon.
// Normally, in KDE, startkde sets these environment variables. However, the session's
// dbus-daemon is started before this happens, which means that dbus-daemon does NOT
// have these variables in its environment and therefore all service-activated UIs
// think that they are not running in KDE. This causes Qt not to load the KDE platform
// plugin, which leaves the UI in a sorry state, using a completely wrong theme,
// wrong colors, etc...
// See also:
// - https://bugs.kde.org/show_bug.cgi?id=269861
// - https://bugs.kde.org/show_bug.cgi?id=267770
// - https://git.reviewboard.kde.org/r/102194/
// Here we are just going to assume that kde-telepathy is always used in KDE and
// not anywhere else. This is probably the best that we can do.
setenv("KDE_FULL_SESSION", "true", 0);
setenv("KDE_SESSION_VERSION", "4", 0);
KComponentData cData(KCmdLineArgs::aboutData());
KCmdLineOptions handler_options;
handler_options.add("persist", ki18n("Persistent mode (do not exit on timeout)"));
handler_options.add("debug", ki18n("Show Telepathy debugging information"));
KCmdLineArgs::addCmdLineOptions(handler_options, ki18n("KDE Telepathy"), "kde-telepathy", "kde");
KCmdLineArgs *args = KCmdLineArgs::parsedArgs("kde-telepathy");
Private::s_persist = args->isSet("persist");
Private::s_debug = args->isSet("debug");
return cData;
}
void TelepathyHandlerApplication::Private::init(int initialTimeout, int timeout)
{
this->initialTimeout = initialTimeout;
this->timeout = timeout;
// If timeout < 0 we let the application exit when the last window is closed,
// Otherwise we handle it with the timeout
if (timeout >= 0) {
q->setQuitOnLastWindowClosed(false);
}
// Register TpQt4 types
Tp::registerTypes();
// Install TpQt4 debug callback
KTp::Debug::installCallback(s_debug);
// Enable KDebug DBus interface
// FIXME This must be enabled here because there is a bug in plasma
// it should be removed when this is fixed
kde_kdebug_enable_dbus_interface = s_debug;
if (!Private::s_persist) {
timer = new QTimer(q);
if (initialTimeout >= 0) {
q->connect(timer, SIGNAL(timeout()), q, SLOT(_k_onInitialTimeout()));
timer->start(initialTimeout);
}
}
}
bool TelepathyHandlerApplication::Private::s_persist = false;
bool TelepathyHandlerApplication::Private::s_debug = false;
TelepathyHandlerApplication::TelepathyHandlerApplication(bool GUIenabled,
int initialTimeout,
int timeout)
: KApplication(GUIenabled, Private::initHack()),
d(new Private(this))
{
d->init(initialTimeout, timeout);
}
TelepathyHandlerApplication::TelepathyHandlerApplication(Display *display,
Qt::HANDLE visual,
Qt::HANDLE colormap,
int initialTimeout,
int timeout)
: KApplication(display, visual, colormap, Private::initHack()),
d(new Private(this))
{
d->init(initialTimeout, timeout);
}
TelepathyHandlerApplication::~TelepathyHandlerApplication()
{
delete d;
}
int TelepathyHandlerApplication::newJob()
{
TelepathyHandlerApplication *app = qobject_cast<TelepathyHandlerApplication*>(KApplication::kApplication());
TelepathyHandlerApplication::Private *d = app->d;
int ret = d->jobCount.fetchAndAddOrdered(1);
if (!Private::s_persist) {
if (d->timer->isActive()) {
d->timer->stop();
}
if (!d->firstJobStarted) {
if (d->initialTimeout) {
disconnect(d->timer, SIGNAL(timeout()), app, SLOT(_k_onInitialTimeout()));
}
if (d->timeout >= 0) {
connect(d->timer, SIGNAL(timeout()), app, SLOT(_k_onTimeout()));
}
d->firstJobStarted = true;
}
}
return ret;
}
void TelepathyHandlerApplication::jobFinished()
{
TelepathyHandlerApplication *app = qobject_cast<TelepathyHandlerApplication*>(KApplication::kApplication());
TelepathyHandlerApplication::Private *d = app->d;
if (d->jobCount.fetchAndAddOrdered(-1) <= 1) {
if (!Private::s_persist && d->timeout >= 0) {
kDebug() << "No other jobs at the moment. Starting timer.";
d->timer->start(d->timeout);
}
}
}
} // namespace KTp
#include "telepathy-handler-application.moc"
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