usbmgmt/usbmgrtest/t_usb_charging/src/usbstatewatcher.cpp
author hgs
Wed, 20 Oct 2010 12:04:53 +0800
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/*
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* Copyright (c) 2006-2010 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 "usbstatewatcher.h"
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#include <e32cmn.h>
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#include "testmanager.h"
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#include "OstTraceDefinitions.h"
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#ifdef OST_TRACE_COMPILER_IN_USE
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#include "usbstatewatcherTraces.h"
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#endif
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CUsbStateWatcher* CUsbStateWatcher::NewL(CUsbChargingArmTest& aUsbChargingArm)
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    {
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    OstTraceFunctionEntry0( CUSBSTATEWATCHER_NEWL_ENTRY );
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    CUsbStateWatcher* self = new(ELeave) CUsbStateWatcher(aUsbChargingArm);
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    CleanupStack::PushL(self);
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    self->ConstructL();
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    CleanupStack::Pop(self);
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    OstTraceFunctionExit0( CUSBSTATEWATCHER_NEWL_EXIT );
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    return self;
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    }
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CUsbStateWatcher::~CUsbStateWatcher()
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    {
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    OstTraceFunctionEntry0( CUSBSTATEWATCHER_CUSBSTATEWATCHER_ENTRY );
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    Cancel();
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    OstTraceFunctionExit0( CUSBSTATEWATCHER_CUSBSTATEWATCHER_EXIT );
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    }
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CUsbStateWatcher::CUsbStateWatcher(CUsbChargingArmTest& aUsbChargingArm)
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    : CActive(EPriorityStandard)
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    , iUsbChargingArm(aUsbChargingArm)
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    {
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    OstTraceFunctionEntry0( DUP1_CUSBSTATEWATCHER_CUSBSTATEWATCHER_ENTRY );
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    CActiveScheduler::Add(this);
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    OstTraceFunctionExit0( DUP1_CUSBSTATEWATCHER_CUSBSTATEWATCHER_EXIT );
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    }
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void CUsbStateWatcher::ConstructL()
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    {
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    OstTraceFunctionEntry0( CUSBSTATEWATCHER_CONSTRUCTL_ENTRY );
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    GetAndShowDeviceStateL();
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    OstTraceFunctionExit0( CUSBSTATEWATCHER_CONSTRUCTL_EXIT );
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    }
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void CUsbStateWatcher::DoCancel()
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    {
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    OstTraceFunctionEntry0( CUSBSTATEWATCHER_DOCANCEL_ENTRY );
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    iUsbChargingArm.Usb().DeviceStateNotificationCancel();
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    OstTraceFunctionExit0( CUSBSTATEWATCHER_DOCANCEL_EXIT );
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    }
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void CUsbStateWatcher::RunL()
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    {
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    OstTraceFunctionEntry0( CUSBSTATEWATCHER_RUNL_ENTRY );
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    GetAndShowDeviceStateL();
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    OstTraceFunctionExit0( CUSBSTATEWATCHER_RUNL_EXIT );
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    }
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void CUsbStateWatcher::GetAndShowDeviceStateL()
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    {
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    OstTraceFunctionEntry0( CUSBSTATEWATCHER_GETANDSHOWDEVICESTATEL_ENTRY );
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    TUsbDeviceState deviceState;
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    User::LeaveIfError(iUsbChargingArm.Usb().GetDeviceState(deviceState));
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    if(deviceState != iDeviceState)
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        {
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        deviceState = iDeviceState;
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        }
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    iUsbChargingArm.ShowUsbDeviceState(deviceState);  
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    iUsbChargingArm.Usb().DeviceStateNotification(0xffffffff, iDeviceState, iStatus);
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    SetActive();    
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    OstTraceFunctionExit0( CUSBSTATEWATCHER_GETANDSHOWDEVICESTATEL_EXIT );
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    }
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