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/*
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: Default implementation of the home state machine.
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*
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*/
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#include <QState>
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#include <QFinalState>
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#include <QHistoryState>
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#include <QSignalTransition>
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#include <QKeyEventTransition>
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#include <QKeyEvent>
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#include <qvaluespacepublisher.h>
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#include <qservicemanager.h>
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#include <qservicefilter.h>
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#include <qserviceinterfacedescriptor.h>
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#include <HbApplication>
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#include <HbActivityManager>
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#include <HbInstance>
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#include <HbIconAnimationManager>
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#include <HbIconAnimationDefinition>
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#include "hsmenueventfactory.h"
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#include "homescreendomainpskeys.h"
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#include "hsstatemachine.h"
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#include "hsdatabase.h"
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#include "hscontentservice.h"
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#include "hsshortcutservice.h"
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#include "hsmenueventtransition.h"
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#include "hswidgetpositioningonorientationchange.h"
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#include "hswidgetpositioningonwidgetadd.h"
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#include "hsconfiguration.h"
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#include "hstest_global.h"
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#include "hswidgetpositioningonwidgetmove.h"
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QTM_USE_NAMESPACE
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#define hbApp qobject_cast<HbApplication*>(qApp)
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namespace
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{
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const char KHsRootStateInterface[] = "com.nokia.homescreen.state.HsRootState";
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const char KHsLoadSceneStateInterface[] = "com.nokia.homescreen.state.HsLoadSceneState";
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const char KHsIdleStateInterface[] = "com.nokia.homescreen.state.HsIdleState";
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const char KHsAppLibraryStateInterface[] = "com.nokia.homescreen.state.HsAppLibraryState";
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const char KHsMenuWorkerStateInterface[] = "com.nokia.homescreen.state.HsMenuWorkerState";
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const char KHsBacupRestoreStateInterface[] = "com.nokia.homescreen.state.HsBackupRestoreState";
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}
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/*!
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\class HsStateMachine
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\ingroup group_hsstatemachine
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\brief Default implementation of the home screen state machine.
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Creates an execution context (EC) and populates it with
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runtime services. States are loaded from state plugins.
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Each state is given an access to the EC. States
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are added to a state machine. Finally, the state machine
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is started.
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*/
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/*!
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Constructs state machine with \a parent as the parent object.
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*/
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HsStateMachine::HsStateMachine(QObject *parent)
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: QStateMachine(parent),
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mContentService(0),
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mHomeScreenActive(false),
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mIdleStateActive(false),
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mEndKeyCaptured(false),
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mPublisher(NULL)
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#ifdef Q_OS_SYMBIAN
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,keyCapture()
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#endif
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{
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HSTEST_FUNC_ENTRY("HS::HsStateMachine::HsStateMachine");
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HsDatabase *db = new HsDatabase(QCoreApplication::instance());
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db->setConnectionName("homescreen.dbc");
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#ifdef Q_OS_SYMBIAN
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db->setDatabaseName("c:/private/20022f35/homescreen.db");
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#else
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db->setDatabaseName("private/20022f35/homescreen.db");
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#endif
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db->open();
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HsDatabase::setInstance(db);
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HsConfiguration::setInstance(new HsConfiguration(QCoreApplication::instance()));
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HsConfiguration::instance()->load();
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HsWidgetPositioningOnOrientationChange::setInstance(
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new HsAdvancedWidgetPositioningOnOrientationChange);
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HsWidgetPositioningOnWidgetAdd *widgetOrganizer =
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new HsWidgetOrganizer(HSCONFIGURATION_GET(snapGap),
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HSCONFIGURATION_GET(widgetOrganizerSearchSequence));
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HsWidgetPositioningOnWidgetAdd::setInstance(widgetOrganizer);
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HsWidgetPositioningOnWidgetMove::setInstance(
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new HsSnapToLines);
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registerAnimations();
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createStatePublisher();
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createContentServiceParts();
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createStates();
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// create the instance so that singleton is accessible from elsewhere
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HsShortcutService::instance(this);
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QCoreApplication::instance()->installEventFilter(this);
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if (hbApp) { // Qt test framework uses QApplication.
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connect(hbApp->activityManager(), SIGNAL(activityRequested(QString)),
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this, SLOT(activityRequested(QString)));
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}
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HSTEST_FUNC_EXIT("HS::HsStateMachine::HsStateMachine");
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}
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/*!
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Destructor.
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*/
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HsStateMachine::~HsStateMachine()
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{
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HsWidgetPositioningOnOrientationChange::setInstance(0);
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HsWidgetPositioningOnWidgetAdd::setInstance(0);
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HsWidgetPositioningOnWidgetMove::setInstance(0);
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delete mPublisher;
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}
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/*!
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\fn void HsStateMachine::stopStateMachine()
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Emission of this signal initiates a transition to the final state.
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*/
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/*!
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\copydoc QObject::eventFilter(QObject *watched, QEvent *event)
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*/
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bool HsStateMachine::eventFilter(QObject *watched, QEvent *event)
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{
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Q_UNUSED(watched);
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switch (event->type()) {
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case QEvent::ApplicationActivate:
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qDebug() << "HsStateMachine::eventFilter: QEvent::ApplicationActivate";
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mHomeScreenActive = true;
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updatePSKeys();
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break;
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case QEvent::ApplicationDeactivate:
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qDebug() << "HsStateMachine::eventFilter: QEvent::ApplicationDeactivate";
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mHomeScreenActive = false;
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updatePSKeys();
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break;
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default:
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break;
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}
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bool result = QStateMachine::eventFilter(watched, event);
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if (event->type() == QEvent::KeyPress ) {
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QKeyEvent* ke = static_cast<QKeyEvent *>(event);
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result = (ke->key() == Qt::Key_Home);
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}
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return result;
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}
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/*!
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Registers framework animations.
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*/
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void HsStateMachine::registerAnimations()
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{
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HbIconAnimationManager *manager = HbIconAnimationManager::global();
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manager->addDefinitionFile(QLatin1String("qtg_anim_loading.axml"));
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}
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/*!
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Creates Home screen state publisher.
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*/
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void HsStateMachine::createStatePublisher()
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{
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mPublisher = new QValueSpacePublisher(QValueSpace::PermanentLayer, HsStatePSKeyPath);
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if (!mPublisher->isConnected()){
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// No permanent layer available
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mPublisher = new QValueSpacePublisher(HsStatePSKeyPath);
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}
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// initialize state to invalid, actual status updates after state creation
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mPublisher->setValue(HsStatePSKeySubPath, EHomeScreenInvalid);
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}
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/*!
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Creates content service parts.
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*/
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void HsStateMachine::createContentServiceParts()
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{
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HSTEST_FUNC_ENTRY("HS::HsStateMachine::createContentServiceParts");
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mContentService = new HsContentService(this);
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HSTEST_FUNC_EXIT("HS::HsStateMachine::createContentServiceParts");
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}
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/*!
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Creates states.
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*/
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void HsStateMachine::createStates()
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{
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HSTEST_FUNC_ENTRY("HS::HsStateMachine::createStates");
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QFinalState *finalState = new QFinalState();
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addState(finalState);
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QState *guiRootState = new QState();
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addState(guiRootState);
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guiRootState->addTransition(this, SIGNAL(event_exit()), finalState);
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QServiceManager manager;
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QObject *loadSceneStateObj = manager.loadInterface(KHsLoadSceneStateInterface);
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QState *loadSceneState = qobject_cast<QState *>(loadSceneStateObj);
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loadSceneState->setParent(guiRootState);
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loadSceneState->setObjectName(KHsLoadSceneStateInterface);
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QObject *rootStateObj = manager.loadInterface(KHsRootStateInterface);
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QState *rootState = qobject_cast<QState *>(rootStateObj);
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rootState->setParent(guiRootState);
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rootState->setObjectName(KHsRootStateInterface);
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QObject *idleStateObj = manager.loadInterface(KHsIdleStateInterface);
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QState *idleState = qobject_cast<QState *>(idleStateObj);
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idleState->setParent(rootState);
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idleState->setObjectName(KHsIdleStateInterface);
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connect(idleState, SIGNAL(entered()), SLOT(onIdleStateEntered()));
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connect(idleState, SIGNAL(exited()), SLOT(onIdleStateExited()));
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//menu state
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QState *menuParallelState = new QState(
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QState::ParallelStates, rootState);
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QState *menuRootState = new QState(menuParallelState);
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QObject *appLibraryStateObj = manager.loadInterface(KHsAppLibraryStateInterface);
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QState *appLibraryState = qobject_cast<QState *>(appLibraryStateObj);
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appLibraryState->setParent(menuRootState);
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appLibraryState->setObjectName(KHsAppLibraryStateInterface);
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menuRootState->setInitialState(appLibraryState);
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QHistoryState *historyState = new QHistoryState(rootState);
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historyState->setDefaultState(idleState);
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loadSceneState->addTransition(
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loadSceneState, SIGNAL(event_history()), historyState);
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QObject *menuWorkerStateObj = manager.loadInterface(KHsMenuWorkerStateInterface);
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QState *menuWorkerState = qobject_cast<QState *>(menuWorkerStateObj);
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menuWorkerState->setParent(menuParallelState);
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menuWorkerState->setObjectName(KHsMenuWorkerStateInterface);
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connect(appLibraryState, SIGNAL(collectionEntered()),
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menuWorkerState, SIGNAL(reset()));
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//Backup/Restore state
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QObject *backupRestoreStateObj = manager.loadInterface(KHsBacupRestoreStateInterface);
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QState *backupRestoreState = qobject_cast<QState *>(backupRestoreStateObj);
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backupRestoreState->setParent(guiRootState);
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backupRestoreState->setObjectName(KHsBacupRestoreStateInterface);
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backupRestoreState->addTransition(
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backupRestoreState, SIGNAL(event_loadScene()), loadSceneState);
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// root state transitions
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idleState->addTransition(idleState, SIGNAL(event_applicationLibrary()), menuRootState);
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appLibraryState->addTransition(
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appLibraryState, SIGNAL(toHomescreenState()), idleState);
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rootState->addTransition(rootState, SIGNAL(event_backupRestore()), backupRestoreState);
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// opening shortcut to Application Library
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HsMenuEventTransition *idleToAppLibTransition =
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new HsMenuEventTransition(HsMenuEvent::OpenApplicationLibrary,
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idleState, appLibraryState);
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idleState->addTransition(idleToAppLibTransition);
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HsMenuEventTransition *appLibToIdleTransition =
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new HsMenuEventTransition(
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HsMenuEvent::OpenHomeScreen, appLibraryState, idleState);
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appLibraryState->addTransition(appLibToIdleTransition);
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HbMainWindow *window = hbInstance->allMainWindows().first();
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#ifndef Q_OS_SYMBIAN
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// key driven transition from idle to menu
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QKeyEventTransition *idleToMenuRootTransition =
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new QKeyEventTransition(
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window, QEvent::KeyPress, Qt::Key_Home);
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idleToMenuRootTransition->setTargetState(menuRootState);
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idleState->addTransition(idleToMenuRootTransition);
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// key driven transition from menu to idle
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QKeyEventTransition *menuToIdleTransition =
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new QKeyEventTransition(
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window, QEvent::KeyPress, Qt::Key_Home);
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menuToIdleTransition->setTargetState(idleState);
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menuRootState->addTransition(menuToIdleTransition);
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#endif
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// key driven transition from menu to idle
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QKeyEventTransition *menuToIdleTransitionNoKey =
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new QKeyEventTransition(
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window, QEvent::KeyPress, Qt::Key_No);
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menuToIdleTransitionNoKey->setTargetState(idleState);
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menuRootState->addTransition(menuToIdleTransitionNoKey);
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// add transition to switch to idle
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menuRootState->addTransition( this, SIGNAL(event_toIdle()), idleState);
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// add transition to switch to applib
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idleState->addTransition( this, SIGNAL(event_toAppLib()), menuRootState);
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// transitions to child states
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// opening shortcut to a colleciton
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QList<QState *> collectionStates =
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appLibraryState->
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findChildren<QState *>
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("homescreen.nokia.com/state/applibrarystate/collectionstate");
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qDebug(
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"Found %d \"collectionstate\" children for Application Library State",
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collectionStates.count());
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if (collectionStates.count()) {
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HsMenuEventTransition *idleToCollectionTransition =
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new HsMenuEventTransition(HsMenuEvent::OpenCollection,
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idleState, collectionStates[0]);
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idleState->addTransition(idleToCollectionTransition);
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}
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// show after install is opened from applibrary via idlestate
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if (collectionStates.count()) {
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HsMenuEventTransition *idleToCollectionTransition =
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new HsMenuEventTransition(HsMenuEvent::OpenCollectionFromAppLibrary,
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idleState, collectionStates[0]);
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idleState->addTransition(idleToCollectionTransition);
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}
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guiRootState->setInitialState(loadSceneState);
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setInitialState(guiRootState);
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HSTEST_FUNC_EXIT("HS::HsStateMachine::createStates");
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}
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/*!
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Publishes Home screen states via Publish & Subscribe.
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*/
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void HsStateMachine::updatePSKeys()
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{
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if (!mPublisher){
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createStatePublisher();
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}
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if (mHomeScreenActive && mIdleStateActive) {
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qDebug() << "HsStateMachine::updatePSKeys: EHomeScreenWidgetViewForeground";
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mPublisher->setValue(HsStatePSKeySubPath, EHomeScreenWidgetViewForeground);
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captureEndKey(false);
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} else if (mHomeScreenActive && !mIdleStateActive) {
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qDebug() << "HsStateMachine::updatePSKeys: EHomeScreenApplicationLibraryViewForeground";
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mPublisher->setValue(HsStatePSKeySubPath, EHomeScreenApplicationLibraryViewForeground);
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captureEndKey(true);
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} else if (!mHomeScreenActive && mIdleStateActive){
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qDebug() << "HsStateMachine::updatePSKeys: EHomeScreenApplicationBackground | EHomeScreenWidgetViewActive";
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mPublisher->setValue(HsStatePSKeySubPath, EHomeScreenApplicationBackground | EHomeScreenWidgetViewActive);
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captureEndKey(false);
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} else {
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qDebug() << "HsStateMachine::updatePSKeys: EHomeScreenApplicationBackground | EHomeScreenApplicationLibraryViewActive";
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mPublisher->setValue(HsStatePSKeySubPath, EHomeScreenApplicationBackground | EHomeScreenApplicationLibraryViewActive);
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captureEndKey(false);
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}
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}
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/*!
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capture End key
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*/
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void HsStateMachine::captureEndKey(bool enable)
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{
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#ifdef Q_OS_SYMBIAN
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if (enable && !mEndKeyCaptured) {
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mEndKeyCaptured = true;
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keyCapture.captureKey(Qt::Key_No);
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} else if (mEndKeyCaptured) {
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mEndKeyCaptured = false;
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keyCapture.cancelCaptureKey(Qt::Key_No);
|
|
400 |
}
|
86
|
401 |
#else
|
|
402 |
Q_UNUSED(enable)
|
71
|
403 |
#endif
|
63
|
404 |
}
|
|
405 |
|
|
406 |
/*!
|
|
407 |
Called when state machine is in Idle state.
|
|
408 |
*/
|
|
409 |
void HsStateMachine::onIdleStateEntered()
|
|
410 |
{
|
|
411 |
mIdleStateActive = true;
|
|
412 |
updatePSKeys();
|
|
413 |
}
|
|
414 |
|
|
415 |
/*!
|
|
416 |
Called when state machine leaves the Idle state.
|
|
417 |
*/
|
|
418 |
void HsStateMachine::onIdleStateExited()
|
|
419 |
{
|
|
420 |
mIdleStateActive = false;
|
|
421 |
updatePSKeys();
|
|
422 |
}
|
|
423 |
|
|
424 |
/*!
|
|
425 |
Activity requested by another client
|
|
426 |
*/
|
|
427 |
void HsStateMachine::activityRequested(const QString &name)
|
|
428 |
{
|
95
|
429 |
HSTEST_FUNC_ENTRY("HS::HsStateMachine::activityRequested");
|
81
|
430 |
if (name == Hs::groupAppLibRecentView) {
|
90
|
431 |
if (mHomeScreenActive) {
|
|
432 |
this->postEvent(
|
|
433 |
HsMenuEventFactory::createOpenCollectionEvent(0,
|
|
434 |
Hs::collectionDownloadedTypeName));
|
|
435 |
}
|
|
436 |
else {
|
|
437 |
this->postEvent(
|
|
438 |
HsMenuEventFactory::createOpenCollectionFromAppLibraryEvent(0,
|
|
439 |
Hs::collectionDownloadedTypeName));
|
|
440 |
}
|
81
|
441 |
} else if (name == Hs::activityHsIdleView) {
|
63
|
442 |
emit event_toIdle();
|
81
|
443 |
} else if (name == Hs::activityAppLibMainView) {
|
71
|
444 |
emit event_toAppLib();
|
63
|
445 |
}
|
95
|
446 |
HSTEST_FUNC_EXIT("HS::HsStateMachine::activityRequested");
|
63
|
447 |
}
|