taskswitcher/server/src/tsmodelitem.cpp
author Jaakko Haukipuro (Nokia-MS/Oulu) <Jaakko.Haukipuro@nokia.com>
Thu, 16 Sep 2010 12:11:40 +0100
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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 "tsmodel.h"
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// -----------------------------------------------------------------------------
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/**
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 * Constructor
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 * @param model - data owner
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 * @param offset - data index
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 */
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TTsModelItem::TTsModelItem(const MTsModel& model, TInt offset)
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:
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mModel(model),
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mIndex(offset)
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{}
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// -----------------------------------------------------------------------------
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/**
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 * Copy constructor
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 * @param item - template item
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 */
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TTsModelItem::TTsModelItem(const TTsModelItem& item)
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:
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mModel(item.mModel),
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mIndex(item.mIndex)
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{}
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// -----------------------------------------------------------------------------
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/**
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 * Validate item instance and retrieve display name data
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 * @return item display name
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 */
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const TDesC& TTsModelItem::displayNameL() const
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{
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    validateL();
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    return mModel.displayNameL(mIndex);
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}
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// -----------------------------------------------------------------------------
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/**
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 * Validate item instance and retrieve icon handle ( CFbsBitmap handle )
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 * @return item icon handle
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 */
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TInt TTsModelItem::iconHandleL() const
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{
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    validateL();
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    return mModel.iconHandleL(mIndex);
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}
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// -----------------------------------------------------------------------------
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/**
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 * Validate item instance and retrieve entry key
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 * @return item key
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 */
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TTsModelItemKey TTsModelItem::keyL() const
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{
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    validateL();
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    return mModel.keyL(mIndex);
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}
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// -----------------------------------------------------------------------------
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/**
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 * Validate item instance and retrieve entry timestamp
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 * @return item timestamp
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 */
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TTime TTsModelItem::timestampL() const
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{
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    validateL();
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    return mModel.timestampL(mIndex);
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}
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// -----------------------------------------------------------------------------
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/**
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 * Validate item instance and retrieve activity status 
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 * @return activity status
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 */
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TBool TTsModelItem::isActiveL() const
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{
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    validateL();
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    return mModel.isActiveL(mIndex);
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}
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// -----------------------------------------------------------------------------
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/**
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 * Validate item instance and retrieve closable status 
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 * @return closable status
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 */
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TBool TTsModelItem::isClosableL() const
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{
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    validateL();
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    return mModel.isClosableL(mIndex);
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}
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// -----------------------------------------------------------------------------
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/**
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 * Validate item instance and forward close request to its owner 
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 * @return EFalse on failure
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 */
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TBool TTsModelItem::closeL() const
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{
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    validateL();
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    return mModel.closeL(keyL());
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}
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// -----------------------------------------------------------------------------
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/**
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 * Validate item instance and forward launch request to its owner 
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 * @return EFalse on failure
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 */
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TBool TTsModelItem::launchL() const
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{
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    validateL();
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    return mModel.launchL(keyL());
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}
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// -----------------------------------------------------------------------------
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/**
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 * Validate item instance 
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 */
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void TTsModelItem::validateL() const
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{
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    if (mModel.count() <= mIndex) {
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        User::Leave(KErrOverflow);
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    }
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}
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// -----------------------------------------------------------------------------
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/**
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 * Serialize item into destination stream
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 * @param stream - output stream 
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 */
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void TTsModelItem::ExternalizeL(RWriteStream& stream) const
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{
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    stream.WriteInt32L(displayNameL().Length());
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    if (0 < displayNameL().Length()) {
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        stream << displayNameL();
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    }
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    stream.WriteInt32L(iconHandleL());
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    stream.WriteInt32L(TTsModelItemKey::size());
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    stream << keyL();
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    stream.WriteInt32L(isActiveL());
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    stream.WriteInt32L(isClosableL());
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}