1 /*

     2 * Copyright (c) 2010 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 <QStateMachine>

    19 #include <QScopedPointer>

    20 #include <HbMainWindow>

    21 #include <HbView>

    22 #include <HbAction>

    23 #include "hsdatabase.h"

    24 #include "hsscene.h"

    25 #include "hsbackuprestoreobserver.h"

    26 #include "hsbackuprestorestate.h"

    27 #include "hsscene.h"

    28 #include "hsgui.h"

    29 

    30 /*!

    31     \class HsBackupRestoreState

    32     \ingroup group_hshomescreenstateplugin

    33     \brief Home screen Bacup/Restore state.

    34 

    35     Releases all Home screen data, which will be backed up or restored.

    36 */

    37 

    38 /*!

    39     Constructs a new backup/restore state with the given \a parent.

    40 */

    41 HsBackupRestoreState::HsBackupRestoreState(QState *parent)

    42     : QState(parent)      

    43 {	

    44     connect(this, SIGNAL(entered()), SLOT(action_startListenBURStatus()));

    45     connect(this, SIGNAL(exited()), SLOT(action_stopListenBURStatus()));

    46 }

    47 

    48 /*!

    49     Destroys this backup/restore state.

    50 */

    51 HsBackupRestoreState::~HsBackupRestoreState()

    52 {

    53 }

    54 

    55 /*!

    56     Starts listen backup/restore status and releases Home screen data.

    57 */

    58 void HsBackupRestoreState::action_startListenBURStatus()

    59 {

    60     HsBackupRestoreObserver *backupRestoreObserver = 

    61         HsBackupRestoreObserver::instance();

    62     

    63     connect(backupRestoreObserver, 

    64             SIGNAL(event_backupRestoreComplited()),

    65             SIGNAL(event_loadScene()));

    66     

    67     // Close database

    68     mDatabase.reset(HsDatabase::takeInstance());

    69     mDatabase->close();        

    70     

    71     deleteIdleView();        

    72 

    73     // Delete scene

    74     HsScene *scene = HsScene::instance();    

    75     delete scene;

    76 

    77     backupRestoreObserver->readyForBUR();

    78 }

    79 

    80 /*!

    81     Stops listen backup/restore status.

    82 */

    83 void HsBackupRestoreState::action_stopListenBURStatus()

    84 {

    85     HsBackupRestoreObserver::instance()->disconnect(this);    

    86     

    87     // Open database

    88     HsDatabase::setInstance(mDatabase.data());

    89     mDatabase.take();

    90     HsDatabase::instance()->open();

    91 }

    92 

    93 /*!

    94    Deletes idle view

    95 */

    96 void HsBackupRestoreState::deleteIdleView()

    97 {

    98     // Delete idle view

    99     QScopedPointer<HbView> idleView(HsGui::takeIdleView());

   100 

   101     if (idleView){

   102         idleView->setNavigationAction(0);

   103         HsScene::mainWindow()->removeView(idleView.data());

   104     }

   105 }