1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *

    16 */

    17 

    18 #include "tstaskswitcher.h"

    19 

    20 #include <QStateMachine>

    21 #include <QEventLoop>

    22 

    23 #include <qservicemanager.h>

    24 

    25 QTM_USE_NAMESPACE

    26 

    27 TsTaskSwitcher::TsTaskSwitcher(QObject* aParent) : QObject(aParent)

    28 {

    29     // FIXME: we're leaking service manager to prevent crash caused by QServiceManager deletion

    30     QServiceManager *serviceManager = new QServiceManager;

    31             

    32     // FIXME: temporary workaround for bug in QtSF database - this process have to add services

    33     QList<QServiceInterfaceDescriptor> tsServiceInterfaces = serviceManager->findInterfaces("TaskSwitcher");

    34     QStringList requiredInterfaces;

    35     requiredInterfaces << "com.nokia.taskswitcher.itemprovider";

    36     requiredInterfaces << "com.nokia.taskswitcher.activation";

    37     requiredInterfaces << "com.nokia.taskswitcher.deactivation";

    38     requiredInterfaces << "com.nokia.taskswitcher.presentation";

    39     requiredInterfaces << "com.nokia.taskswitcher.runtime.defaultruntime";

    40 

    41     foreach (const QServiceInterfaceDescriptor &interface, tsServiceInterfaces) {

    42         QString interfaceName = interface.interfaceName();

    43         if (requiredInterfaces.contains(interfaceName)) {

    44             requiredInterfaces.removeAll(interfaceName);

    45         }

    46     }

    47     

    48     if (!requiredInterfaces.isEmpty()) {

    49         // clean old entries

    50         serviceManager->removeService("TaskSwitcher");

    51         

    52         bool servicesAdded = serviceManager->addService(":/tsserviceplugin.xml");

    53         Q_ASSERT_X(servicesAdded, "Adding Ts Services", qPrintable(QString("addService returned false, error %1").arg(serviceManager->error())));

    54 

    55         bool runtimeAdded = serviceManager->addService(":/tsdefaultruntimeplugin.xml");

    56         Q_ASSERT_X(runtimeAdded, "Adding Ts Runtime", qPrintable(QString("addService returned false, error %1").arg(serviceManager->error())));

    57     }

    58     // FIXME

    59     

    60     mRuntime = serviceManager->loadLocalTypedInterface<QStateMachine>("com.nokia.taskswitcher.runtime.defaultruntime");

    61     if (mRuntime) {

    62         mRuntime->setParent(this);

    63         connect(mRuntime, SIGNAL(stopped()), this, SIGNAL(exit()));

    64     } else {

    65         qCritical("Failed to create runtime");

    66     }

    67 }

    68 

    69 void TsTaskSwitcher::start()

    70 {

    71     if (mRuntime) {

    72         mRuntime->start();

    73     } else {

    74         emit exit();

    75     }

    76 }

    77 

    78 void TsTaskSwitcher::stop()

    79 {

    80     if (mRuntime) {

    81         if (mRuntime->isRunning()) {

    82             QEventLoop eventLoop;

    83             connect(mRuntime, SIGNAL(finished()), &eventLoop, SLOT(quit()));

    84             QMetaObject::invokeMethod(mRuntime, "event_exit", Qt::QueuedConnection);

    85             eventLoop.exec(); 

    86         }        

    87     }

    88 }