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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:
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*
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*/
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#ifndef USBUISETTINGMODEL_H
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#define USBUISETTINGMODEL_H
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#include <e32base.h>
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#include <e32property.h>
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#include <QStringList>
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#include <QAbstractItemModel>
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#include <XQSettingsManager>
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typedef QList< QMap< int, QVariant > > UsbUiModelDataSource;
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class RUsb;
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class UsbUiModelActive;
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class QItemSelection;
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class QItemSelectionModel;
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class UsbUiSettingModel : public QAbstractItemModel
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{
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Q_OBJECT
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friend class TestUsbUiModelActive;
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public:
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UsbUiSettingModel( QObject *parent = 0);
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virtual ~UsbUiSettingModel();
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/*
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* Returns the index of the item in the model specified by the given row, column and parent index.
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* @param row is the row number of the specified item
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* @param column is the column number of the specified item
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* @param parent QModelIndex parent
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*/
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virtual QModelIndex index( int row, int column, const QModelIndex &parent = QModelIndex() ) const;
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/*
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* Returns QModelIndex() because this model item has no parent
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* @param child is the index of item model, the parent of which is going to be returned
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* @param child is not used in here
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*/
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virtual QModelIndex parent( const QModelIndex &child ) const;
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/*
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* Returns the number of rows under the given parent
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* @param parent QModelIndex parent
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*/
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virtual int rowCount( const QModelIndex &parent = QModelIndex() ) const;
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/*
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* Returns the number of columns for the children of the given parent.
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* @param parent QModelIndex parent
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*/
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virtual int columnCount( const QModelIndex &parent = QModelIndex() ) const;
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/*
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*Returns the data stored under the given role for the item referred to by the index.
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*/
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virtual QVariant data( const QModelIndex &index, int role = Qt::DisplayRole ) const;
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const QModelIndex* sourceData() const;
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/*
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* informs the model of the changes in selectionModel and the new mode
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* will be Handeled by the Model
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*/
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void setSelectionModel(QItemSelectionModel *selectionModel);
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public slots:
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/*
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* Provides notification of changes in selected usb mode
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* @param key is not used
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* @param value is the value read from cenrep key
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*/
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void cenrepChanged( const XQSettingsKey &key, const QVariant &value );
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/*
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* it checks the response from usbwatcher to see if the new mode change has been successful
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* it will go back to the previous personality if it has not been successful
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* @param status is the error code returned from usbwatcher
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*/
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void personalitySetCompleted (int status );
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/**
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* This slot handles selection change from the selection model.
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* The personality is set according to the selection.
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* @param selected Item selection of selected items
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* @param deselected Item selection of deselected items
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*/
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void handleSelectionChange(const QItemSelection &selected,
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const QItemSelection &deselected );
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private:
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/*
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* Get the translated mode name
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* @param friendlyName is the usb personality friendly name
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*/
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QString modeName( QString &friendlyName );
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/*
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* Get the current USB personality ID
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* Returns 0, if the key is missing or the value cannot be converted
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* to integer.
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* @return The current personality id
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*/
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int currentMode();
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/**
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* Initialize the model data
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* @param modeId The current mode ID
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*/
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void initializeModelData( int modeId );
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/**
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* Update the selection model
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* @param newPersonality is the new personality id
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*/
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void updateSelectionModel(int newPersonality);
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/**
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* Check from the USB Manager if the USB personality is hidden.
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* @param usbman Already opened USB Manager session
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* @param personalityId The ID of the personality to be checked.
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* @return For hidden personality, true is returned.
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*/
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bool isPersonalityHidden(RUsb &usbman, TInt personalityId);
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/**
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* Get the personality friendly name from USB Manager
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* The friendly name can be used in text IDs.
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* @param usbman The open USB Manager session
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* @param personalityId The ID of the personality
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* @return Friendly name for personality
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*/
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QString getFriendlyName(RUsb &usbman, TInt personalityId);
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private:
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UsbUiModelDataSource mSettingsList;
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// current USB personality
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int mCurrentMode;
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//variable to access central repository
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XQSettingsManager mSettingsManager;
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QList<int> mPersonalityIds;
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//owned by the class
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// modelactive is used for the interaction with the usbwatcher
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UsbUiModelActive *mModelActive;
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QItemSelectionModel *mSelectionModel;
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};
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#endif // USBUISETTINGMODEL_H
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