kwqglobalservices.cpp

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/*
 * Copyright (c) 2005 Nokia Corporation, Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the Nokia Corporation nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include "KWQGlobalServices.h"
#include <EIKENV.H>

KWQGlobalServices* KWQGlobalServices::iInstance = 0;
const TInt KLowResolutionDpi = 130;
const TInt KMediumResolutionDpi = 200;

KWQGlobalServices::KWQGlobalServices()
    : iCharConverter( 0 ), iScreenRes( EMediumScreenResolution )
{
}

KWQGlobalServices* KWQGlobalServices::NewL()
{
	KWQGlobalServices* self = new KWQGlobalServices;
	CleanupStack::PushL( self );
	self->ConstructL();
	CleanupStack::Pop();
	return self;
}

void KWQGlobalServices::ConstructL()
{
	iFileSession.Connect();
	iCharConverter = CCnvCharacterSetConverter::NewL();

    // Check the device resolution
    CEikonEnv* eikEnv = CEikonEnv::Static();
    if( eikEnv ) {
        CWsScreenDevice& screenDev = *eikEnv->ScreenDevice();

        TUint dpi = screenDev.VerticalTwipsToPixels(KTwipsPerInch);

        if( dpi <= KLowResolutionDpi ) {
            iScreenRes = ELowScreenResolution;
        }
        else if( dpi > KLowResolutionDpi && dpi <= KMediumResolutionDpi ) {
            iScreenRes = EMediumScreenResolution;
        }
        else {
            iScreenRes = EHighScreenResolution;
        }
    }

}

KWQGlobalServices::~KWQGlobalServices()
{
	iFileSession.Close();
	delete iCharConverter;
}

void KWQGlobalServices::PrepareForExit()
{
    delete iInstance;
    iInstance = 0;
}