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/*
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* Copyright (c) 2009 - 2010 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 Screensaver runtime.
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*
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*/
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#include <QGraphicsLinearLayout>
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#include <QGraphicsSceneResizeEvent>
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#include <QPainter>
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#include <QDebug>
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#include <QServiceManager>
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#include <QServiceFilter>
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#include <QServiceInterfaceDescriptor>
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#include <QTimer>
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#include <XQSettingsManager>
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#include <HbMainWindow>
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#include <HbIndicatorInterface>
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#include <screensaver.h>
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#include <screensaverdomaincrkeys.h>
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#include "snsrdevicedialog.h"
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#include "snsrdevicedialogdisplaycontrol.h"
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const char *gBigClockInterfaceName = "com.nokia.screensaver.ISnsrBigClockScreensaver";
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/*!
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\class SnsrDeviceDialog
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\ingroup group_snsrdevicedialogplugin
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\brief Screensaver Device Dialog.
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*/
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extern const char *lViewType;
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const char *SnsrDeviceDialog::dataKeyUnlock = "unlock";
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QTM_USE_NAMESPACE
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/*!
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Constructor.
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\param viewType Initial view type (active or standby).
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\param parent Parent.
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*/
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SnsrDeviceDialog::SnsrDeviceDialog(const QVariantMap ¶meters, QGraphicsItem *parent) :
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HbPopup(parent),
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mScreensaver(0),
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mLayout(0),
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mDisplayControl(0),
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mDisplayModeTimer(0),
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mHasFocus(false)
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{
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qDebug("SnsrDeviceDialog::SnsrDeviceDialog()");
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// load screensaver plugin
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// Workaround to QtSF bug. Create in stack after the bug is fixed.
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QServiceManager manager;
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QServiceFilter filter(gBigClockInterfaceName);
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QList<QServiceInterfaceDescriptor> interfaces = manager.findInterfaces(
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filter);
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Q_ASSERT(interfaces.count());
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mScreensaver = manager.loadLocalTypedInterface<Screensaver>(
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interfaces.first().interfaceName() );
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if (mScreensaver) {
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mScreensaver->setParent(this);
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} else {
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// TODO: error state
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}
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connect(mScreensaver, SIGNAL(viewChanged(QGraphicsWidget*)),
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SLOT(changeView(QGraphicsWidget*)));
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connect(mScreensaver, SIGNAL(faulted()),
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SLOT(screensaverFaulted()));
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connect( mScreensaver, SIGNAL(unlockRequested()),
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SLOT(requestUnlock()) );
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connect( mScreensaver, SIGNAL(activeAreaMoved()),
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SLOT(updateDisplayMode()) );
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mScreensaver->initialize();
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setBackgroundItem(0);
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setDismissPolicy(HbPopup::NoDismiss);
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setTimeout(HbPopup::NoTimeout);
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mainWindow()->setAutomaticOrientationEffectEnabled(false);
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setDeviceDialogParameters( parameters );
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mDisplayControl = new SnsrDeviceDialogDisplayControl();
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mDisplayModeTimer = new QTimer(this);
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connect( mDisplayModeTimer, SIGNAL(timeout()), SLOT(updateDisplayMode()) );
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}
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/*!
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Destructor.
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*/
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SnsrDeviceDialog::~SnsrDeviceDialog()
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{
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qDebug("SnsrDeviceDialog::~SnsrDeviceDialog()");
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QServiceManager serviceManager;
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serviceManager.removeService(gBigClockInterfaceName);
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// We should get the FocusOut event when closing, but deactivate the
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// power save also here in case we haven't got the event for some reason.
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if ( mDisplayControl ) {
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mDisplayControl->setDisplayFullPower();
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delete mDisplayControl;
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}
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}
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/*!
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Sets device dialog parameters.
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\param parameters Device Dialog's parameters to be set.
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\ret return true if parameters are correct.
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*/
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bool SnsrDeviceDialog::setDeviceDialogParameters(const QVariantMap ¶meters)
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{
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qDebug("SnsrDeviceDialog::setDeviceDialogParameters()");
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// default to initial state if no other state given
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int viewType( ViewTypeInitial );
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QVariantMap::const_iterator it = parameters.find(lViewType);
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if (it != parameters.end() && !it.value().isNull() && it.value().isValid()) {
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bool ok(false);
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viewType = it.value().toInt(&ok);
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if ( !ok ) {
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qWarning() << "SnsrDeviceDialog::setDeviceDialogParameters() - int cast failed";
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return false;
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}
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}
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// Check initial view from repository
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if (viewType == ViewTypeInitial ) {
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XQSettingsManager::Error error;
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int startupView = 0;
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XQCentralRepositorySettingsKey settingsKey(
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KCRUidScreensaverSettings.iUid, KScreensaverStartupView ); // TUid as same repository used in control panel via Symbian APIs
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XQSettingsManager settingsManager;
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startupView = settingsManager.readItemValue(settingsKey, XQSettingsManager::TypeInt).toInt();
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error = settingsManager.error();
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if (error == XQSettingsManager::NoError) {
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viewType = startupView;
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}
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}
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switch (viewType) {
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case SnsrDeviceDialog::ViewTypeActive:
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mScreensaver->foreground();
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return true;
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case SnsrDeviceDialog::ViewTypeStandby:
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mScreensaver->partialForeground();
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return true;
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default:
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qWarning() << QString("SnsrDeviceDialog::setDeviceDialogParameters() "
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"- unspecefied view type: %1").arg(viewType);
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}
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return false;
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}
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/*!
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Returns error code.
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\ret error code.
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*/
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int SnsrDeviceDialog::deviceDialogError() const
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{
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return 0;
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}
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/*!
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Closes device dialog.
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\param byClient If dialog is close by client.
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*/
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void SnsrDeviceDialog::closeDeviceDialog(bool byClient)
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{
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qDebug("SnsrDeviceDialog::closeDeviceDialog()");
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Q_UNUSED(byClient)
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hide();
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emit deviceDialogClosed();
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}
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/*!
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Returns device dialog instance.
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\ret Device dialog instance.
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*/
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HbPopup *SnsrDeviceDialog::deviceDialogWidget() const
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{
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return const_cast<SnsrDeviceDialog*>(this);
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}
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/*!
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Shows widget.
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\param event.
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*/
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void SnsrDeviceDialog::showEvent(QShowEvent *event)
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{
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qDebug("SnsrDeviceDialog::showEvent()");
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HbPopup::showEvent(event);
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// workaround for duplicating connections and emiting two signals
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// showEvent is called for HbDeviceDialogManager showDeviceDialog()
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// and for HbPopup itemChange(), both events are set to QEvent::Show type
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disconnect(mainWindow(), SIGNAL(orientationChanged(Qt::Orientation)),
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this, SLOT(handleOrientationChange(Qt::Orientation)));
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connect(mainWindow(), SIGNAL(orientationChanged(Qt::Orientation)),
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this, SLOT(handleOrientationChange(Qt::Orientation)));
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changeLayout();
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}
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#ifdef COVERAGE_MEASUREMENT
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#pragma CTC SKIP
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#endif //COVERAGE_MEASUREMENT
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/*!
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Hides widget.
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\param event.
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*/
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void SnsrDeviceDialog::hideEvent(QHideEvent *event)
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{
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qDebug("SnsrDeviceDialog::hideEvent()");
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HbPopup::hideEvent(event);
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mScreensaver->background();
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}
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#ifdef COVERAGE_MEASUREMENT
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#pragma CTC ENDSKIP
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#endif //COVERAGE_MEASUREMENT
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/*!
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Close widget.
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\param event.
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*/
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void SnsrDeviceDialog::closeEvent(QCloseEvent *event)
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{
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qDebug("SnsrDeviceDialog::closeEvent()");
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HbPopup::closeEvent(event);
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disconnect(mainWindow(), SIGNAL(orientationChanged(Qt::Orientation)),
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this, SLOT(handleOrientationChange(Qt::Orientation)));
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mScreensaver->close();
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}
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/*!
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Handle focus in/out events and just pass through the rest of the events
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*/
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bool SnsrDeviceDialog::event(QEvent *event)
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{
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if ( event->type() == QEvent::FocusOut ) {
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mHasFocus = false;
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// Some other dialog came on top of us (or dialog was closed).
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// Set screen to full power.
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mDisplayModeTimer->stop();
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mDisplayControl->setDisplayFullPower();
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}
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else if ( event->type() == QEvent::FocusIn ) {
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mHasFocus = true;
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// We became (again) the top-most dialog. Switch screen to
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// applicable power mode.
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updateDisplayModeDeferred();
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}
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return HbPopup::event(event);
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}
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/*!
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Replaces layout's item.
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\param widget New item to be added to layout.
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*/
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void SnsrDeviceDialog::changeView(QGraphicsWidget *widget)
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{
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qDebug("SnsrDeviceDialog::changeView() - widget: 0x%X", (int)widget);
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if (!mLayout) {
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mLayout = new QGraphicsLinearLayout(Qt::Vertical);
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mLayout->setContentsMargins(0,0,0,0);
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setLayout(mLayout);
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}
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if (mLayout->count()) {
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mLayout->removeAt(0);
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}
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if (widget) {
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mLayout->addItem(widget);
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// Update layout and display mode immediately if view is
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// changed while Screensaver is visible. This is the case when
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// mode changes from standby to active or vice versa. In case of the
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// initial view setting, Screensaver is not yet visible, and the update
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// will happen later on Show/FocusIn events.
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if ( isVisible() ) {
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changeLayout();
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updateDisplayMode();
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}
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widget->show();
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}
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}
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/*!
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Handles faults in loaded screensaver model.
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*/
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void SnsrDeviceDialog::screensaverFaulted()
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{
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qWarning() << "SnsrDeviceDialog::screensaverFaulted()";
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// TODO: some error handling
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}
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/*!
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Handle orientation change event
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\param orientation New orientation value.
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*/
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void SnsrDeviceDialog::handleOrientationChange(Qt::Orientation orientation)
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{
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Q_UNUSED(orientation)
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changeLayout();
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updateDisplayMode();
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}
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/*!
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Resize device dialog.
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*/
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void SnsrDeviceDialog::changeLayout()
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{
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QRectF rect = mainWindow()->layoutRect();
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setMinimumSize( rect.size() );
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setPreferredPos( QPointF(0,0) );
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QGraphicsSceneResizeEvent sceneResize;
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sceneResize.setNewSize( rect.size() );
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event( &sceneResize );
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mScreensaver->updateLayout();
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}
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/*!
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Update power mode of the display device
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*/
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void SnsrDeviceDialog::updateDisplayMode()
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{
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// Cancel any pending deferred update order
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mDisplayModeTimer->stop();
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// Check desidred display power mode from screensaver but only when
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// we are the top-most device dialog. If some other dialog is on top of us,
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// then always default to full power mode.
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Screensaver::ScreenPowerMode mode( Screensaver::ScreenModeFullPower );
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if ( mHasFocus ) {
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mode = mScreensaver->currentPowerMode();
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}
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switch ( mode ) {
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case Screensaver::ScreenModeOff: {
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mDisplayControl->setDisplayOff();
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break;
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}
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case Screensaver::ScreenModeLowPower: {
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int firstRow(-1);
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int lastRow(-1);
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mScreensaver->getActiveScreenRows(&firstRow, &lastRow);
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mDisplayControl->setDisplayLowPower(firstRow, lastRow);
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break;
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}
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case Screensaver::ScreenModeFullPower: {
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mDisplayControl->setDisplayFullPower();
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break;
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}
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}
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}
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/*!
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Update power mode of the display device after a short delay
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*/
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void SnsrDeviceDialog::updateDisplayModeDeferred()
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{
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mDisplayModeTimer->start(200); // milliseconds
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}
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/*!
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Send unlock signal to autolock.
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*/
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void SnsrDeviceDialog::requestUnlock()
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{
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QVariantMap data;
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data.insert(dataKeyUnlock, 1);
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emit deviceDialogData(data);
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}
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/*!
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Called when the dialog is created if they are any currently
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activate universal indicators present.
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*/
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void SnsrDeviceDialog::indicatorsActivated(
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const QList<HbIndicatorInterface*> &activatedIndicators)
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{
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mScreensaver->handleActiveIndicators(activatedIndicators);
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}
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/*!
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Called when some universal indicator is activated.
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Ownership of activatedIndicator is not transferred.
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*/
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void SnsrDeviceDialog::indicatorActivated(
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HbIndicatorInterface *activatedIndicator)
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{
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mScreensaver->handleActivatedIndicator(activatedIndicator);
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}
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/*!
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Called when some universal indicator is deactivated.
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*/
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void SnsrDeviceDialog::indicatorDeactivated(
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HbIndicatorInterface *deactivatedIndicator)
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{
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mScreensaver->handleDeactivatedIndicator(deactivatedIndicator);
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}
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// end of file
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