1 // PropertyAccess.h

     2 // 

     3 // Copyright (c) 2010 Accenture. All rights reserved.

     4 // This component and the accompanying materials are made available

     5 // under the terms of the "Eclipse Public License v1.0"

     6 // which accompanies this distribution, and is available

     7 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 // 

     9 // Initial Contributors:

    10 // Accenture - Initial contribution

    11 //

    12 #ifndef PROPERTYACCESS_H

    13 #define PROPERTYACCESS_H

    14 

    15 #include <kernel.h>

    16 #include <kern_priv.h>

    17 

    18 class TNotifyRequest;

    19 

    20 NONSHARABLE_CLASS(DPropertyAccess) : public DBase

    21 	{

    22 public:

    23 	DPropertyAccess(DThread* aThread);

    24 	~DPropertyAccess();

    25 	TInt HandleProperty(TInt aFunction, TAny* aParams, TAny* aVal);

    26 	TInt DoHandleProperty(DThread* aClient, TInt aFunction, TAny* aParams, TAny* aVal);

    27 

    28 private:

    29 	TInt GetAllPropertiesFrom(DThread* aClient, RPropertyRef& property, TAny* aVal);

    30 	void CancelNotifys();

    31 	static void PropertyChanged(TAny* aPtr, TInt aReason);

    32 	void DoPropertyChanged(TNotifyRequest& aRequest, TInt aReason);

    33 	TInt SetupNotifyAll(DThread* aClient, TAny* aParams, TAny* aVal);

    34 	TInt SetupNotifyAll(TBool aBtrace, const TDesC8& aUserRequestsBuf);

    35 

    36 private:

    37 	DThread* iClient;

    38 	SDblQue iRequests;

    39 	TRequestStatus* iNotifyClientStatus;

    40 	TAny* iClientNotifyPtr;

    41 	TInt iMissedChanges;

    42 	};

    43 

    44 class TNotifyRequest

    45 	{

    46 public:

    47 	TNotifyRequest(TPropertyCompleteFn aCompleteFn, TUid aCat, TInt aKey, DPropertyAccess* aPropertyAccess, TBool aBtrace)

    48 		: iRequest(aCompleteFn, this), iPropertyAccess(aPropertyAccess), iBtrace(aBtrace), iCat(aCat), iKey(aKey)

    49 		{}

    50 public:

    51 	RPropertyRef iProperty;

    52 	TPropertySubsRequest iRequest;

    53 	DPropertyAccess* iPropertyAccess;

    54 	SDblQueLink iLink;

    55 	TBool iBtrace; // If set, don't use iNotifyClientStatus/iClientNotifyPtr/iMissedChanges, just use BTrace

    56 	// Lame, no way of getting these from the RPropertyRef

    57 	TUid iCat;

    58 	TInt iKey;

    59 	};

    60 

    61 #endif