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/***************************************************************************
* Copyright (C) 2010 by Dario Freddi <drf@kde.org> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program 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 General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA . *
***************************************************************************/
#include "powerdevilactionpool.h"
#include "powerdevilaction.h"
#include "powerdevilcore.h"
#include "powerdevil_debug.h"
#include <config-powerdevil.h>
#include <KConfigGroup>
#include <KServiceTypeTrader>
#include <KPluginInfo>
#include <QDBusConnection>
#include <QDebug>
// Bundled actions:
#include "actions/bundled/suspendsession.h"
#include "actions/bundled/brightnesscontrol.h"
#include "actions/bundled/keyboardbrightnesscontrol.h"
#include "actions/bundled/dimdisplay.h"
#include "actions/bundled/runscript.h"
#include "actions/bundled/handlebuttonevents.h"
#ifdef HAVE_WIRELESS_SUPPORT
#include "actions/bundled/wirelesspowersaving.h"
#endif
namespace PowerDevil
{
class ActionPoolHelper
{
public:
ActionPoolHelper() : q(0) {}
~ActionPoolHelper() {
delete q;
}
ActionPool *q;
};
Q_GLOBAL_STATIC(ActionPoolHelper, s_globalActionPool)
ActionPool *ActionPool::instance()
{
if (!s_globalActionPool->q) {
new ActionPool;
}
return s_globalActionPool->q;
}
ActionPool::ActionPool()
{
Q_ASSERT(!s_globalActionPool->q);
s_globalActionPool->q = this;
}
ActionPool::~ActionPool()
{
clearCache();
}
void ActionPool::clearCache()
{
QHash< QString, Action* >::iterator i = m_actionPool.begin();
while (i != m_actionPool.end()) {
// Delete the associated action and erase
i.value()->deleteLater();
i = m_actionPool.erase(i);
}
}
void ActionPool::init(PowerDevil::Core *parent)
{
// Load all the actions
KService::List offers = KServiceTypeTrader::self()->query("PowerDevil/Action",
"[X-KDE-PowerDevil-Action-IsBundled] == FALSE");
Q_FOREACH (KService::Ptr offer, offers) {
QString actionId = offer->property("X-KDE-PowerDevil-Action-ID", QVariant::String).toString();
qCDebug(POWERDEVIL) << "Got a valid offer for " << actionId;
if (!offer->showOnCurrentPlatform()) {
qCDebug(POWERDEVIL) << "Doesn't support the windowing system";
continue;
}
//try to load the specified library
PowerDevil::Action *retaction = offer->createInstance< PowerDevil::Action >(parent);
if (!retaction) {
// Troubles...
qCWarning(POWERDEVIL) << "failed to load" << offer->desktopEntryName();
continue;
}
// Is the action available and supported?
if (!retaction->isSupported()) {
// Skip that
retaction->deleteLater();
continue;
}
// Insert
m_actionPool.insert(actionId, retaction);
}
// Load bundled actions now
m_actionPool.insert("SuspendSession", new BundledActions::SuspendSession(parent));
m_actionPool.insert("BrightnessControl", new BundledActions::BrightnessControl(parent));
m_actionPool.insert("KeyboardBrightnessControl", new BundledActions::KeyboardBrightnessControl(parent));
m_actionPool.insert("DimDisplay", new BundledActions::DimDisplay(parent));
m_actionPool.insert("RunScript", new BundledActions::RunScript(parent));
m_actionPool.insert("HandleButtonEvents", new BundledActions::HandleButtonEvents(parent));
#ifdef HAVE_WIRELESS_SUPPORT
m_actionPool.insert("WirelessPowerSaving", new BundledActions::WirelessPowerSaving(parent));
#endif
// Verify support
QHash<QString,Action*>::iterator i = m_actionPool.begin();
while (i != m_actionPool.end()) {
Action *action = i.value();
if (!action->isSupported()) {
i = m_actionPool.erase(i);
action->deleteLater();
} else {
++i;
}
}
// Register DBus objects
{
KService::List offers = KServiceTypeTrader::self()->query("PowerDevil/Action",
"[X-KDE-PowerDevil-Action-RegistersDBusInterface] == TRUE");
Q_FOREACH (KService::Ptr offer, offers) {
QString actionId = offer->property("X-KDE-PowerDevil-Action-ID", QVariant::String).toString();
if (m_actionPool.contains(actionId)) {
QDBusConnection::sessionBus().registerObject("/org/kde/Solid/PowerManagement/Actions/" + actionId, m_actionPool[actionId]);
}
}
}
}
Action* ActionPool::loadAction(const QString& actionId, const KConfigGroup& group, PowerDevil::Core *parent)
{
Q_UNUSED(parent);
// Let's retrieve the action
if (m_actionPool.contains(actionId)) {
Action *retaction = m_actionPool[actionId];
if (group.isValid()) {
if (m_activeActions.contains(actionId)) {
// We are reloading the action: let's unload it first then.
retaction->onProfileUnload();
retaction->unloadAction();
m_activeActions.removeOne(actionId);
}
retaction->loadAction(group);
m_activeActions.append(actionId);
}
return retaction;
} else {
// Hmm... troubles in configuration. Np, let's just return 0 and let the core handle this
return 0;
}
}
void ActionPool::unloadAllActiveActions()
{
Q_FOREACH (const QString &action, m_activeActions) {
m_actionPool[action]->onProfileUnload();
m_actionPool[action]->unloadAction();
}
m_activeActions.clear();
}
}
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