usbuis/usbuiqt/src/usbuimodelactive.cpp
author hgs
Fri, 23 Apr 2010 23:17:21 +0300
changeset 43 4712310216c0
permissions -rw-r--r--
201003
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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 "usbuimodelactive.h"
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#include "mydebug.h"
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//const ?type ?constant_var = ?constant;
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/*!
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    Constructor.
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 */
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UsbUiModelActive::UsbUiModelActive( int priority, QObject *parent )
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:   QObject( parent )
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{
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    myDebug() << ">>> UsbUiModelActive::UsbUiModelActive";
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    d = new UsbUiModelActivePrivate( this, priority );
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    int err= iUsbWatcher.Connect();    
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    myDebug() << "iUsbWatcher.Connect() returned ";
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    myDebug() << err;  
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    myDebug() << "<<< UsbUiModelActive::UsbUiModelActive";
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}
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/*!
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    Destructor.
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 */
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UsbUiModelActive::~UsbUiModelActive()
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{        
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    myDebug() << ">>> UsbUiModelActive::~UsbUiModelActive";
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    delete d;
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    iUsbWatcher.Close(); 
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    myDebug() << "<<< UsbUiModelActive::~UsbUiModelActive";
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}
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/*!
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 * emits a signal when the request is completed
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 */
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void UsbUiModelActive::emitRequestCompleted( int status )
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{
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    myDebug() << ">>> UsbUiModelActive::emitRequestCompleted status: ";
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    myDebug() << status; 
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    emit requestCompleted( status );
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    myDebug() << "<<< UsbUiModelActive::emitRequestCompleted";
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}
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/*!
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 * UsbUiModelActive::SetUSBModeL
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 * Sets the Central Repository key to the parameter.
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 */
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int UsbUiModelActive::SetUsbPersonality(int personality)
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    {
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    myDebug() << ">>> UsbUiModelActive::SetUsbPersonality";
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    myDebug() << "requested personality is ";
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    myDebug() << personality;   
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    // Change the personality asynchrously, result checked in RunL()
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    if( IsActive() ) 
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        {
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        Cancel();
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        }
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    myDebug() << "setting new personality";    
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    iUsbWatcher.SetPersonality(RequestStatus(), personality);
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    SetActive();
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    myDebug() << "<<< UsbUiModelActive::SetUsbPersonality, returns 0";
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    return 0;
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    }
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/*!
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 * cancles the personality set in usbwatcher
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 */
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void UsbUiModelActive::CancelSetPersonality()
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    {
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    iUsbWatcher.CancelSetPersonality();    
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    }
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/*!
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    Constructor.
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 */
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UsbUiModelActivePrivate::UsbUiModelActivePrivate( 
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        UsbUiModelActive *parent, int priority )
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:   CActive( (TInt) priority ), q( parent )
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{
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    myDebug() << ">>> UsbUiModelActivePrivate::UsbUiModelActivePrivate";
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    CActiveScheduler::Add( this );
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    myDebug() << "<<< UsbUiModelActivePrivate::UsbUiModelActivePrivate";
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}
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/*!
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    Destructor.
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 */
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UsbUiModelActivePrivate::~UsbUiModelActivePrivate()
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{
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    Cancel();
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}
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/*!
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 *  Called by the active scheduler when the request has been completed.
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 */
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void UsbUiModelActivePrivate::RunL()
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{
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    myDebug() << ">>> UsbUiModelActivePrivate::RunL";
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    q->emitRequestCompleted( iStatus.Int() );
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    myDebug() << "<<< UsbUiModelActivePrivate::RunL";
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}
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/*!
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    Called by the active scheduler when the request has been cancelled.
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 */
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void UsbUiModelActivePrivate::DoCancel()
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{
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    q->CancelSetPersonality();
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}
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/*!
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    Called by the active scheduler when an error in RunL has occurred.
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 */
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TInt UsbUiModelActivePrivate::RunError( TInt aError )
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{
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    q->emitRequestCompleted( aError );
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    return KErrNone;
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}