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: Default Screensaver runtime.

    15 *

    16 */

    17 

    18 #include "snsrdefaultruntime.h"

    19 

    20 #include <QStateMachine>

    21 #include <QState>

    22 

    23 #include <hbmainwindow.h>

    24 

    25 #include <hsistateprovider.h>

    26 #include <hsstatefactory.h>

    27 

    28 /*!

    29     \class SnsrDefaultRuntime

    30     \ingroup group_snsrdefaultruntimeprovider

    31     \brief Default implementation of the screensaver runtime.

    32 */

    33 

    34 const char factoryManifestDir [] = "snsrresources/plugins/stateproviders";

    35 const char factoryPluginDir [] = "snsrresources/plugins/stateproviders";

    36 const char stateLibrary[] = "snsrdefaultstateprovider.dll";

    37 

    38 const char rootStateUri [] = "screensaver.nokia.com/state/root";

    39 

    40 /*!

    41     Constructs a new SnsrDefaultRuntime with parent.

    42 */

    43 SnsrDefaultRuntime::SnsrDefaultRuntime(QObject *parent) :

    44     HsRuntime(parent),

    45     mStateMachine(0),

    46     mWindow(0)

    47 {

    48     initializeUserInterface();

    49     initializeStateMachine();

    50 }

    51 

    52 /*!

    53     Destructs the class.

    54 */

    55 SnsrDefaultRuntime::~SnsrDefaultRuntime()

    56 {

    57     delete mWindow;

    58 }

    59 

    60 /*!

    61     Starts the runtime.

    62 */

    63 void SnsrDefaultRuntime::start()

    64 {

    65     mStateMachine->start();

    66 }

    67 

    68 /*!

    69     Stops the runtime.

    70 */

    71 void SnsrDefaultRuntime::stop()

    72 {

    73     mStateMachine->stop();

    74 }

    75 

    76 /*!

    77     Function initializes objects required to UI creation.

    78 */

    79 void SnsrDefaultRuntime::initializeUserInterface()

    80 {

    81     mWindow = new HbMainWindow();

    82     mWindow->show();

    83 }

    84 

    85 /*!

    86     Function initialize state machine.

    87 */

    88 void SnsrDefaultRuntime::initializeStateMachine()

    89 {

    90     // Ownership transfered to application.

    91     // State machine instance will be removed after runtime destruction.

    92     mStateMachine = new QStateMachine(this);

    93 

    94     // Forward signals emited by statemachine.

    95     connect(mStateMachine, SIGNAL(started()), SIGNAL(started()));

    96     connect(mStateMachine, SIGNAL(stopped()), SIGNAL(stopped()));

    97 

    98     createStates();

    99 }

   100 

   101 /*!

   102     Function creates and initializes UI states. 

   103 */

   104 void SnsrDefaultRuntime::createStates()

   105 {

   106     HsStateToken token;

   107     HsStateFactory factory(factoryManifestDir, factoryPluginDir);

   108 

   109     token.mLibrary = stateLibrary;

   110     token.mUri = rootStateUri;

   111     QState *snsrRootState = factory.createState(token);

   112     snsrRootState->setParent(mStateMachine);

   113     snsrRootState->setObjectName(token.mUri);

   114 

   115     mStateMachine->setInitialState(snsrRootState);

   116 }