idlehomescreen/widgetmanager/src/wmwidgetorderdata.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 15 Mar 2010 12:39:47 +0200
branchRCL_3
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parent 11 ff572dfe6d86
permissions -rw-r--r--
Revision: 201009 Kit: 201010
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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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* CWmWidgetOrderData implementation.
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*
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*/
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// INCLUDE FILES
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#include <e32base.h>
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#include <e32std.h>
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#include "wmwidgetorderdata.h"
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#include "wmpersistentwidgetorder.h"
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// ---------------------------------------------------------
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// CWmWidgetOrderData::NewL
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// ---------------------------------------------------------
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//
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CWmWidgetOrderData* CWmWidgetOrderData::NewL( 
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        const TDesC& aPublisherId, 
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        const TUid aUid, 
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        const TDesC& aName,
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        const CWmPersistentWidgetOrder* aPersistentWidgetOrder )
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    {
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    CWmWidgetOrderData* self = CWmWidgetOrderData::NewLC(
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            aPublisherId, aUid, aName, aPersistentWidgetOrder );
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    CleanupStack::Pop(); // self;
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    return self;
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    }
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// ---------------------------------------------------------
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// CWmWidgetOrderData::NewLC
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// ---------------------------------------------------------
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//
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CWmWidgetOrderData* CWmWidgetOrderData::NewLC(
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        const TDesC& aPublisherId, 
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        const TUid aUid, 
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        const TDesC& aName,
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        const CWmPersistentWidgetOrder* aPersistentWidgetOrder )
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    {
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    CWmWidgetOrderData* self = new ( ELeave ) CWmWidgetOrderData( aUid );
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    CleanupStack::PushL(self);
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    self->ConstructL( aPublisherId, aName, aPersistentWidgetOrder );
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    return self;
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    }
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// ---------------------------------------------------------
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// CWmWidgetOrderData::CWmWidgetOrderData
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// ---------------------------------------------------------
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//
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CWmWidgetOrderData::CWmWidgetOrderData( const TUid aUid )
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    : iUid( aUid )
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    {
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    }
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// ---------------------------------------------------------
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// CWmWidgetOrderData::ConstructL
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// ---------------------------------------------------------
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//
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void CWmWidgetOrderData::ConstructL( 
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        const TDesC& aPublisherId, 
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        const TDesC& aName,
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        const CWmPersistentWidgetOrder* aPersistentWidgetOrder )
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    {
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    iPublisherId = aPublisherId.AllocL();
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    iName = aName.AllocL();
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    iPersistentWidgetOrder = aPersistentWidgetOrder;
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    }
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// ---------------------------------------------------------
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// CWmWidgetOrderData::~CWmWidgetOrderData
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// ---------------------------------------------------------
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//
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CWmWidgetOrderData::~CWmWidgetOrderData() 
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    {
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    delete iPublisherId;
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    delete iName;
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    //delete iPersistentWidgetOrder // TODO: is needed???
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    }
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// ---------------------------------------------------------
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// CWmWidgetOrderData::PublisherId
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// ---------------------------------------------------------
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//
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const TDesC& CWmWidgetOrderData::PublisherId() const
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    {
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    return ( iPublisherId ) ? *iPublisherId : KNullDesC();
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    }
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// ---------------------------------------------------------
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// CWmWidgetOrderData::Uid
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// ---------------------------------------------------------
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//
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const TUid CWmWidgetOrderData::Uid() const
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    {
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    return iUid;
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    }
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// ---------------------------------------------------------
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// CWmWidgetOrderData::Name
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// ---------------------------------------------------------
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//
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const TDesC& CWmWidgetOrderData::Name() const
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    {
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    return ( iName ) ? *iName : KNullDesC();  
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    }
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// ---------------------------------------------------------
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// CWmWidgetOrderData::CompareByName
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// ---------------------------------------------------------
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//
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TInt CWmWidgetOrderData::CompareByName( 
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        const CWmWidgetOrderData& aDataOne, const CWmWidgetOrderData& aDataTwo )
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    {
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    // negate the result for ascending alphabetical order
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    TInt result = aDataOne.Name().CompareC( aDataTwo.Name() );
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    return result;
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    }
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// ---------------------------------------------------------
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// CWmWidgetOrderData::CompareByPersistentWidgetOrder
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// ---------------------------------------------------------
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//
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TInt CWmWidgetOrderData::CompareByPersistentWidgetOrder( 
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        const CWmWidgetOrderData& aDataOne, const CWmWidgetOrderData& aDataTwo )
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    {
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    TInt result;
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    const CWmPersistentWidgetOrder* order = aDataOne.iPersistentWidgetOrder;
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    if ( order && !order->IsEmpty() )
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        {
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        result = order->IndexOf( aDataOne ) - order->IndexOf( aDataTwo );
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        }
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    else
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        {
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        // fallback: if persistent widget order is not available
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        // or it is empty (this is the case on first start, or if the persistent
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        // file is corrupted or deleted) -> order widgets by name.
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        result = CompareByName( aDataOne, aDataTwo );
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        }
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    return result;
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    }
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// ---------------------------------------------------------
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// CWmWidgetOrderData::EqualsTo
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// ---------------------------------------------------------
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//
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TBool CWmWidgetOrderData::EqualsTo( const TUid aUid, const TDesC& aPublisherId )
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    {
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    return ( iUid == aUid && *iPublisherId == aPublisherId );
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    }
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// ---------------------------------------------------------
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// CWmWidgetOrderData::SetPersistentWidgetOrder
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// ---------------------------------------------------------
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//
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void CWmWidgetOrderData::SetPersistentWidgetOrder( 
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        CWmPersistentWidgetOrder* aPersistentWidgetOrder )
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    {
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    iPersistentWidgetOrder = aPersistentWidgetOrder;
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    }
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// ---------------------------------------------------------
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// CWmWidgetOrderData::UpdateName
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// ---------------------------------------------------------
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//
12
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void CWmWidgetOrderData::UpdateName( const TDesC& aName )
11
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    {
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    if ( iName->Compare( aName ) != KErrNone )
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        {
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        delete iName;
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        iName = NULL;
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        iName = aName.Alloc();
11
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        }
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    }
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// End of file