camerauis/cameraxui/cxengine/src/cxediskmonitor.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Wed, 18 Aug 2010 09:37:18 +0300
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Revision: 201031 Kit: 201033
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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:
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*
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*/
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#include "cxutils.h"
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#include "cxediskmonitor.h"
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#include "cxediskmonitorprivate.h"
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/*!
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* Constructor.
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*/
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CxeDiskMonitor::CxeDiskMonitor(CxeSettings &settings)
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{
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    CX_DEBUG_ENTER_FUNCTION();
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    p = new CxeDiskMonitorPrivate(settings);
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    CX_ASSERT_ALWAYS(p);
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    CX_DEBUG_EXIT_FUNCTION();
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}
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/*!
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* Destructor.
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*/
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CxeDiskMonitor::~CxeDiskMonitor()
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{
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    delete p;
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}
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/*!
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* Set the warning level of free disk space.
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* When free disk space falls below this limit, diskSpaceLow() signal is emitted.
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* @param bytes Limit in bytes.
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*/
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void CxeDiskMonitor::setLowWarningLevel(qint64 bytes)
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{
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    if (p) {
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        p->setLowWarningLevel(bytes);
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    }
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}
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/*!
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* Slot to start monitoring disk space.
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*/
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void CxeDiskMonitor::start()
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{
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    if (p) {
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        connect(p, SIGNAL(diskSpaceLow()), this, SIGNAL(diskSpaceLow()), Qt::UniqueConnection);
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        connect(p, SIGNAL(diskSpaceChanged()), this, SIGNAL(diskSpaceChanged()), Qt::UniqueConnection);
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        p->start();
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    }
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}
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/*!
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* Slot to stop monitoring disk space.
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*/
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void CxeDiskMonitor::stop()
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{
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    if (p) {
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        p->stop();
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        disconnect(p, SIGNAL(diskSpaceChanged()), this, SIGNAL(diskSpaceChanged()));
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        disconnect(p, SIGNAL(diskSpaceLow()), this, SIGNAL(diskSpaceLow()));
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    }
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}
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/*!
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* Is monitoring ongoing at the moment.
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*/
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bool CxeDiskMonitor::isMonitoring() const
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{
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    return p ? p->isMonitoring() : false;
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}
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/*!
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* Get free disk space for Camera use in bytes.
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*/
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qint64 CxeDiskMonitor::free(bool cached) const
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{
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    return p ? p->free(cached) : 0;
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}
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// end of file