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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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#include "usbuisettingmodel.h"
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#include <QStringList>
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#include <UsbWatcherInternalCRKeys.h>
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#include <XQSettingsKey>
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#include <usbman.h>
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#include <HbIcon>
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#include <QItemSelection>
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#include <QItemSelectionModel>
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#include "usbuimodelactive.h"
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#include "usbdebug.h"
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const QString TextIdPrefix = ("txt_usb_dblist_");
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const QString DescriptionIdPostfix = ("_val");
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const QString ModeIconNamePrefix = ("qtg_large_");
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/*!
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Constructor.
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*/
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UsbUiSettingModel::UsbUiSettingModel( QObject *parent )
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: QAbstractItemModel( parent), mSelectionModel(NULL)
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{
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mModelActive = new UsbUiModelActive();
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mCurrentMode = currentMode();
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initializeModelData(mCurrentMode);
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bool ret = mSettingsManager.startMonitoring(
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XQSettingsKey( XQSettingsKey::TargetCentralRepository,
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KCRUidUsbWatcher.iUid, KUsbWatcherPersonality ) );
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myDebug() << ">>> UsbUiSettingModel::startMonitoring value="
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<< ret;
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// signal: personality changed in the central repository
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ret = connect( &mSettingsManager,
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SIGNAL( valueChanged( const XQSettingsKey&, const QVariant& ) ),
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this,
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SLOT( cenrepChanged( const XQSettingsKey&, const QVariant& ) ) );
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myDebug() << ">>> UsbUiSettingModel::UsbUiSettingModel connect valueChanged="
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<< ret;
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// signal: response from usbwatcher to our attempt to set the personality
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ret = connect( mModelActive,
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SIGNAL( requestCompleted( int ) ),
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this,
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SLOT( personalitySetCompleted( int )));
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myDebug() << ">>> UsbUiSettingModel::UsbUiSettingModel connect requestCompleted="
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<< ret;
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}
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/*!
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Destructor.
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*/
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UsbUiSettingModel::~UsbUiSettingModel()
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{
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myDebug() << ">>> UsbUiSettingModel::~UsbUiSettingModel";
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mSettingsManager.stopMonitoring(
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XQSettingsKey( XQSettingsKey::TargetCentralRepository,
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KCRUidUsbWatcher.iUid, KUsbWatcherPersonality ) );
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delete mModelActive;
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myDebug() << "<<< UsbUiSettingModel::~UsbUiSettingModel";
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}
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/*!
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Provides notification of changes in selected usb mode
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*/
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void UsbUiSettingModel::cenrepChanged( const XQSettingsKey &key,
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const QVariant &value )
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{
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Q_UNUSED(key);
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myDebug() << ">>> UsbUiSettingModel::cenrepChanged";
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// key is not checked, as we monitor only one key
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updateSelectionModel(value.toInt());
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myDebug() << "<<< UsbUiSettingModel::cenrepChanged";
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}
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/*!
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* updates the selection model
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* The selection model will signal the view.
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*/
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void UsbUiSettingModel::updateSelectionModel(int newPersonality)
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{
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myDebug() << ">>> UsbUiSettingModel::updateSelectionModel value="
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<< newPersonality;
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mCurrentMode = newPersonality;
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mSelectionModel->clear();
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int row = mPersonalityIds.indexOf(newPersonality);
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myDebug() << ">>> UsbUiSettingModel::updateSelectionModel row="
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<< row;
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// in case of the hidden personality , the selection model is left empty
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if ( row >= 0 ) {
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//set selection model for the new selection
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QModelIndex selectionIndex = index(row, 0, QModelIndex());
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QItemSelection selection(selectionIndex, selectionIndex);
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mSelectionModel->select(selection, QItemSelectionModel::Select);
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}
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myDebug() << "<<< UsbUiSettingModel::updateSelectionModel";
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}
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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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*/
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QModelIndex UsbUiSettingModel::index( int row, int column, const QModelIndex &parent ) const
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{
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return hasIndex( row, column, parent ) ? createIndex( row, column ) : QModelIndex();
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}
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/*
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This model does not support hierarchy, so this returns an empty model index.
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*/
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QModelIndex UsbUiSettingModel::parent( const QModelIndex &child ) const
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{
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Q_UNUSED( child );
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return QModelIndex();
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}
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/*!
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* Returns the number of rows under the given parent
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*/
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int UsbUiSettingModel::rowCount( const QModelIndex &parent ) const
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{
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Q_UNUSED( parent );
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return mSettingsList.count();
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}
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/*!
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* Returns the number of columns for the children of the given parent.
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* This model is one-dimensional, so this returns 1.
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*/
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int UsbUiSettingModel::columnCount( const QModelIndex &parent ) const
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{
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Q_UNUSED( parent );
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return 1;
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}
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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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QVariant UsbUiSettingModel::data( const QModelIndex &index, int role ) const
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{
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return mSettingsList.value( index.row() ).value( role );
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}
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/*!
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* This is called when usb selection is changed in the view (selection model).
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*/
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void UsbUiSettingModel::handleSelectionChange(const QItemSelection &selected,
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const QItemSelection &deselected )
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{
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Q_UNUSED( deselected );
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myDebug() << ">>> UsbUiSettingModel::handleSelectionChange";
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QModelIndexList items = selected.indexes();
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if (!items.isEmpty()) {
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myDebug() << " UsbUiSettingModel::handleSelectionChange item exists";
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QModelIndex index = items[0];
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int newPersonalityId = mPersonalityIds.at(index.row());
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if ( newPersonalityId != mCurrentMode ) {
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myDebug() << " UsbUiSettingModel::handleSelectionChange setting personality";
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mModelActive->SetUsbPersonality(newPersonalityId);
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}
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}
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myDebug() << "<<< UsbUiSettingModel::handleSelectionChange return";
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}
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/*!
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* Getter for the source data.
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*/
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const QModelIndex* UsbUiSettingModel::sourceData() const
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{
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return new QModelIndex( createIndex( 0, 0 ) );
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}
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void UsbUiSettingModel::setSelectionModel(QItemSelectionModel *selectionModel)
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{
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myDebug() << ">>> UsbUiSettingModel::setSelectionModel";
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mSelectionModel = selectionModel;
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connect( mSelectionModel,
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SIGNAL( selectionChanged( const QItemSelection &, const QItemSelection & ) ),
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this,
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SLOT( handleSelectionChange( const QItemSelection &, const QItemSelection & ) ) );
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updateSelectionModel(mCurrentMode);
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myDebug() << "<<< UsbUiSettingModel::setSelectionModel return";
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}
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/*!
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* Get the translated mode name for the personality friendly name.
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*/
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QString UsbUiSettingModel::modeName( QString &friendlyName )
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{
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myDebug() << ">>> UsbUiSettingModel::modeName";
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QString textId = TextIdPrefix + friendlyName;
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QString modeName = hbTrId( textId.toAscii() );
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myDebug() << "<<< UsbUiSettingModel::modeName " << modeName;
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return modeName;
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}
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/*!
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* Get the current USB mode (personality) ID
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*/
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int UsbUiSettingModel::currentMode()
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{
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myDebug() << ">>> UsbUiSettingModel::CurrentMode";
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int currentMode = mSettingsManager.readItemValue(
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XQSettingsKey( XQSettingsKey::TargetCentralRepository,
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KCRUidUsbWatcher.iUid, KUsbWatcherPersonality ) ).toInt();
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myDebug() << "<<< UsbUiSettingModel::CurrentMode " << currentMode;
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return currentMode;
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}
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void UsbUiSettingModel::initializeModelData( int aModeId )
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{
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myDebug() << ">>> UsbUiSettingModel::initializeModelData aModeId="
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<< aModeId;
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RUsb usbMan;
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if ( usbMan.Connect() == KErrNone ) {
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RArray<TInt> personalityIds;
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mPersonalityIds.clear();
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if ( usbMan.GetPersonalityIds( personalityIds ) == KErrNone ) {
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for ( int i = 0; i < personalityIds.Count(); i++ ) {
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myDebug() << ">>> UsbUiSettingModel::initializeModelData personality ID ="
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<< personalityIds[i];
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if ( !isPersonalityHidden(usbMan, personalityIds[i]) ) {
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mPersonalityIds.append( personalityIds[i] );
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QString friendlyName = getFriendlyName(usbMan, personalityIds[i]);
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QStringList displayList;
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//text-1 mode name
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displayList.append( modeName( friendlyName ) );
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//text-2 description
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QString textId = TextIdPrefix + friendlyName + DescriptionIdPostfix;
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displayList.append( hbTrId(textId.toAscii()) );
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QMap< int, QVariant > dataRow;
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dataRow[ Qt::DisplayRole ] = QVariant( displayList );
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//icon-1
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QString iconName = ModeIconNamePrefix + friendlyName;
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HbIcon icon(iconName);
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QList<QVariant> icons;
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icons << icon;
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dataRow[ Qt::DecorationRole ] = QVariant( icons );
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mSettingsList << dataRow;
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}
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}
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}
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personalityIds.Close();
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usbMan.Close();
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}
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myDebug() << "<<< UsbUiSettingModel::initializeModelData";
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}
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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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*/
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void UsbUiSettingModel::personalitySetCompleted (int status )
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{
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myDebug() << ">>> UsbUiSettingModel::personalitySetCompleted status= "
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<< status;
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// status contains Symbian error code from usbwatcher
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// if the status is KErrNone, we are ready to process the next request
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if (status != KErrNone) {
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// changing the personality failed, so we need to set back the previous personality
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// the value will be read from central repository and also updates mCurrentMode
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updateSelectionModel(currentMode());
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}
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myDebug() << "<<< UsbUiSettingModel::personalitySetCompleted";
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}
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bool UsbUiSettingModel::isPersonalityHidden(RUsb &usbman, TInt personalityId)
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{
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myDebug() << ">>> UsbUiSettingModel::isPersonalityHidden from USB Manager";
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bool hidden = false;
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TUint32 property = 0;
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TInt ret = usbman.GetPersonalityProperty(personalityId, property);
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if (ret == KErrNone) {
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myDebug() << "property " << property;
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if (property & KUsbPersonalityPropertyHidden) {
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hidden = true;
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}
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}
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myDebug() << "<<< UsbUiSettingModel::isPersonalityHidden " << hidden;
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return hidden;
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}
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QString UsbUiSettingModel::getFriendlyName(RUsb &usbman, TInt personalityId)
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{
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myDebug() << ">>> UsbUiSettingModel::getFriendlyName";
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QString friendlyName;
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HBufC* description = NULL;
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TInt err = usbman.GetDescription(personalityId, description);
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if (err == KErrNone) {
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friendlyName = QString::fromUtf16(description->Ptr(), description->Length());
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friendlyName.replace( QChar(' '), QChar('_') );
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delete description;
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} else {
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myDebug() << " UsbUiSettingModel::getFriendlyName RUsb error "
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<< err;
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}
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myDebug() << " UsbUiSettingModel::getFriendlyName friendlyName=" << friendlyName;
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myDebug() << "<<< UsbUiSettingModel::getFriendlyName";
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return friendlyName;
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}
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