We need a way to pass flags to rombuilds in Raptor via extension flm interfaces, so that the CPP pass
of the rom input files can be informed what toolchain we are building with and conditionally
include or exclude files depending on whether the toolchain could build them.
#ifndef __USB_CLIENT_STATE_WATCHER_H
#define __USB_CLIENT_STATE_WATCHER_H
/*
* Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of the License "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description:
* @file UsbClientStateWatcher.h
* @internalComponent
*
*
*/
#include <e32base.h>
#include <d32usbc.h>
#include "testdebug.h"
namespace NUnitTesting_USBDI
{
/**
This class describes an interface class that observers state changes in the client
*/
class MUsbClientStateObserver
{
public:
/**
Called when the host has changed the state of the client device (e.g. to suspended)
@param aNewState the new state of the device configured by the host
@param aChangeCompletionCode the request completion code
*/
virtual void StateChangeL(TUsbcDeviceState aNewState,TInt aChangeCompletionCode) = 0;
};
/**
This class describes an observer that gets notified when the host selects an alternate setting
*/
class MAlternateSettingObserver
{
public:
/**
Called when the host selects an alternate interface setting
@param aAlternateInterfaceSetting the alternate interface setting number
*/
virtual void AlternateInterfaceSelectedL(TInt aAlternateInterfaceSetting) = 0;
};
/**
This class represents a watcher of USB client device states
@internal
*/
class CUsbClientStateWatcher : public CActive
{
public:
/**
Factory two-phase construction
@param aUsbClientDriver a referrence to a USB client driver interface object
*/
static CUsbClientStateWatcher* NewL(RDevUsbcClient& aClientDriver,MUsbClientStateObserver& aStateObserver);
/**
Destructor
*/
~CUsbClientStateWatcher();
private:
/**
Constructor, builds a USB client state change watcher
@param aUsbClientDriver the referrence to the USB client driver
*/
CUsbClientStateWatcher(RDevUsbcClient& aClientDriver,MUsbClientStateObserver& aStateObserver);
/**
2nd phase construction
*/
void ConstructL();
private: // from CActive
/**
Cancels the notification of device state changes
*/
void DoCancel();
/**
Handles any Leave errors from this AO as it receives notification
of state changes
@param aError the leave code error from RunL
@return KErrNone (currently)
*/
TInt RunError(TInt aError);
/**
Code that is scheduled when this AO completes
*/
void RunL();
private:
/**
The referrence to the USB client driver
*/
RDevUsbcClient& iClientDriver;
/**
The current state of the USB device (integer value)
*/
TUint iState;
/**
The observers for the state of the USB client
*/
MUsbClientStateObserver& iStateObserver;
};
/**
This class represents a watcher of Alternate interface selections
@intenal
*/
class CAlternateInterfaceSelectionWatcher : public CActive
{
public:
/**
Symbian construction of a watcher of alternate interface setting selections
@param aClientDriver the channel to the client driver
@param aObserver the observer of alternate interface setting selections
*/
static CAlternateInterfaceSelectionWatcher* NewL(RDevUsbcClient& aClientDriver,MAlternateSettingObserver& aObserver);
/**
Destructor
*/
~CAlternateInterfaceSelectionWatcher();
private:
/**
Constructor, builds an object that watchers for selections of alternate interface settings
@param aClientDriver the channel to the client driver
@param aObserver the observer of alternate interface setting selections
*/
CAlternateInterfaceSelectionWatcher(RDevUsbcClient& aClientDriver,MAlternateSettingObserver& aObserver);
/**
2nd phase construction
*/
void ConstructL();
private: // From CActive
/**
*/
void DoCancel();
/**
*/
void RunL();
/**
*/
TInt RunError(TInt aError);
private:
/**
The referrence to the USB client driver
*/
RDevUsbcClient& iClientDriver;
/**
The current state of the USB device (integer value)
*/
TUint iState;
/**
The observer that will be notified when a host selects any alternate interface setting
that this watcher knows about
*/
MAlternateSettingObserver& iObserver;
};
}
#endif