usbengines/usbotgwatcher/src/cusbstatehostdelaynotattachedhandle.cpp
author hgs
Fri, 23 Apr 2010 23:57:55 +0300
changeset 46 0ffee699d6c7
child 21 ff9df6630274
permissions -rw-r--r--
201007
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/*
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 * Copyright (c) 2008-2009 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:  Implementation
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 *
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 */
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#include "cusbstatehostdelaynotattachedhandle.h"
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#include "errors.h"
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#include "debug.h"
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#include "panic.h"
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// ---------------------------------------------------------------------------
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// 
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// ---------------------------------------------------------------------------
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//
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CUsbStateHostDelayNotAttachedHandle::CUsbStateHostDelayNotAttachedHandle(
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        CUsbOtgWatcher& aWatcher) :
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    CUsbStateHostDelayHandle(aWatcher)
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    {
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    }
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// ---------------------------------------------------------------------------
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// 
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// ---------------------------------------------------------------------------
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//
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CUsbStateHostDelayNotAttachedHandle* CUsbStateHostDelayNotAttachedHandle::NewL(
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        CUsbOtgWatcher& aWatcher)
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    {
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    LOG_FUNC
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    CUsbStateHostDelayNotAttachedHandle* self =
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            new (ELeave) CUsbStateHostDelayNotAttachedHandle(aWatcher);
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    CleanupStack::PushL(self);
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    self->ConstructL();
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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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// 
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// ---------------------------------------------------------------------------
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//
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void CUsbStateHostDelayNotAttachedHandle::ConstructL()
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    {
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    LOG_FUNC
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    CUsbStateHostDelayHandle::ConstructL();
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    iTooMuchPowerTimer = CUsbTimer::NewL(*this, ETooMuchPowerRequiredTimer);
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    }
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// ---------------------------------------------------------------------------
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// 
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// ---------------------------------------------------------------------------
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//
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CUsbStateHostDelayNotAttachedHandle::~CUsbStateHostDelayNotAttachedHandle()
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    {
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    LOG_FUNC
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    delete iTooMuchPowerTimer;
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    }
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// ---------------------------------------------------------------------------
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// 
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// ---------------------------------------------------------------------------
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//
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TUsbStateIds CUsbStateHostDelayNotAttachedHandle::Id()
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    {
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    return EUsbStateHostDelayNotAttachedHandle;
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    }
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// ---------------------------------------------------------------------------
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// 
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// ---------------------------------------------------------------------------
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//
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void CUsbStateHostDelayNotAttachedHandle::JustBeforeLeavingThisStateL()
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    {
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    LOG_FUNC
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    iTooMuchPowerTimer->Cancel();
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    // do general things 
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    CUsbStateHostDelayHandle::JustBeforeLeavingThisStateL();
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    }
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// ---------------------------------------------------------------------------
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// 
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// ---------------------------------------------------------------------------
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//
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void CUsbStateHostDelayNotAttachedHandle::DoHandleL()
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    {
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    LOG_FUNC
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    LOG1( "iWhat = %d" , iWhat);
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    switch (iWhat)
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        {
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        case EUsbWatcherErrDeviceRequiresTooMuchPowerOnEnumeration:
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            {
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            LOG("EUsbWatcherErrDeviceRequiresTooMuchPowerOnEnumeration" );
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            iTooMuchPowerTimer->After(KTimeTooMuchPowerRequired);
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            break;
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            }
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        default:
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            {
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            LOG1("Unexpected request id = %d", iWhat);
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            Panic( EUnexpectedSituationToHandle);
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            break;
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            }
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        }
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    }
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// ---------------------------------------------------------------------------
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// 
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// ---------------------------------------------------------------------------
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//
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void CUsbStateHostDelayNotAttachedHandle::AIdleL()
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    {
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    LOG_FUNC
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    // Exit on AIdle, due to Detachment not comes,
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    // because no corresponding attachment with err == KErrNone
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    ChangeHostStateL( EUsbStateHostAInitiate);
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    }
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// ---------------------------------------------------------------------------
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// 
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// ---------------------------------------------------------------------------
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//
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void CUsbStateHostDelayNotAttachedHandle::DeviceDetachedL(
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        TDeviceEventInformation)
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    {
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    LOG_FUNC
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    Panic( EDeviceDetachedNotExpected);
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    }
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// From TimerObserver
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// ---------------------------------------------------------------------------
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// 
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// ---------------------------------------------------------------------------
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//
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void CUsbStateHostDelayNotAttachedHandle::TimerElapsedL(TUsbTimerId aTimerId)
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    {
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    LOG_FUNC
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    switch (aTimerId)
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        {
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        case ETooMuchPowerRequiredTimer:
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            {
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            LOG("ETooMuchPowerRequiredTimer" );
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            HandleL(EUsbWatcherErrDeviceRequiresTooMuchPower,
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                    EUsbStateHostHandleDropping);
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            break;
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            }
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        default:
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            {
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            LOG1("Unknown timer id = %d", aTimerId );
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            Panic( EWrongTimerId);
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            }
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        }
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    }