--- a/videoconnutility/connutility/inc/vcxconnutilpubsub.h Thu Aug 19 10:54:18 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,254 +0,0 @@
-/*
-* Copyright (c) 2006 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: Pubsub handler class for vcxconnectionutility*
-*/
-
-
-
-
-#ifndef __CVCX_CONUTILPUBSUB_H__
-#define __CVCX_CONUTILPUBSUB_H__
-
-#include <e32base.h>
-#include <e32std.h>
-#include <e32property.h>
-
-
-class CVcxConnUtilSubscriber;
-class MConnUtilPubsubObserver;
-
-/**
-* This class defines operations for handling the pub sub keys and their values.
-*
-*/
-NONSHARABLE_CLASS( CVcxConnUtilPubSub ) : public CBase
- {
- public: // construction / destruction
-
- /**
- * Construction.
- *
- * @return The newly constructed CVcxConnUtilPubSub
- */
- static CVcxConnUtilPubSub* NewL( MConnUtilPubsubObserver *aObserver );
-
- /**
- * Construction. Object left to cleanupstack
- *
- * @return The newly constructed CVcxConnUtilPubSub
- */
- static CVcxConnUtilPubSub* NewLC( MConnUtilPubsubObserver *aObserver );
-
- /**
- * destructor
- */
- virtual ~CVcxConnUtilPubSub();
-
- private:
-
- /**
- * C++ constructor
- */
- CVcxConnUtilPubSub();
-
- /**
- * Private 2nd phase construction.
- *
- * During instantiation, the availibility of the PS keys is being checked. In case
- * keys does not exists, they are being created by starting an external executable,
- * vcxconnutilpsworker, whose UID is being used as the unique category of the PS keys.
- * This kind of solution is needed to make sure, that category is always unique and
- * the UID of the category is always known beforehand in vcxconnectionutility library
- *
- * @param aObserver observer to be passed subscribers
- */
- void ConstructL( MConnUtilPubsubObserver *aObserver );
-
-
- public: // new functions
-
- /**
- * Increases a "counter" pub sub value by one.
- * If given key is not concidered as a counter,
- * nothing is done
- *
- * @param aKey PS key whose value to increase
- */
- void IncCounterPubSubL( TUint32 aKey );
-
- /**
- * Decreases a "counter" pub sub value by one
- * If given key is not concidered as a counter,
- * nothing is done
- *
- * @param aKey PS key whose value to decrease
- */
- void DecCounterPubSubL( TUint32 aKey );
-
- /**
- * Saves given value to the defined PS key.
- *
- * @param aKey PS to where to save the value
- * @param aValue Value to save
- *
- * @return TInt KErrNone is succees, KerrNotFound if provided key is
- * not in the scope of connection util or another
- * system level error code
- *
- */
- TInt SetValue( TUint32 aKey, TInt aValue );
-
- /**
- * Get value from defined PS key.
- *
- * @param aKey PS from where to fetch value
- * @param aValue
- *
- * @return TInt KErrNone is succees, KerrNotFound if provided key is
- * not in the scope of connection util or another
- * system level error code
- *
- */
- TInt GetValue( TUint32 aKey, TInt& aValue );
-
- /**
- * Start subscribers. If using deafult value, starts all.
- * Otherwise just starts the one defined as aKey
- *
- * @param aKey key value of subscriber to start
- */
- void StartSubscibers( TUint32 aKey = 0 );
-
- /**
- * Cancels subscribers. If using deafult value, cancels all.
- * Otherwise just cancels the one defined as aKey
- *
- * @param aKey key value of subscriber to cancel
- *
- */
- void CancelValueSubscribers( TUint32 aKey = 0 );
-
- private:
-
- /**
- * Method starts a vcxconnutilpsworker -process
- * to create PS keys for connectionutility and
- * waits for the process to finish before returning.
- *
- * If another process has already started worker, method
- * waits for it to finish.
- *
- * Method leaves if existing semaphore cannot be opened or
- * creating of process fails.
- *
- */
- void DefinePropertiesL();
-
- /**
- * Internal helper method to get a pointer to RProperty
- * defined by the aKey -value.
- * In case aKey refers to a property that does not exists,
- * a null pointer is returned
- *
- * @param aKey a key value for property wanted
- *
- * @return RProperty* pointer to property or NULL in case
- * property is not found
- */
- RProperty* GetProperty( TUint32 aKey );
-
- /**
- * Internal helper method to get a pointer to Subscriber
- * defined by the aKey -value.
- * In case aKey refers to a Subscriber that does not exists,
- * a null pointer is returned
- *
- * @param aKey a key value for subscriber wanted
- *
- * @return CVcxConnUtilSubscriber* pointer to Subscriber or NULL in case
- * property is not found
- */
- CVcxConnUtilSubscriber* GetSubscriber( TUint32 aKey );
-
- /**
- * Internal helper method to handle actual incrementation or
- * decrementation (based on the calfactor) of the PS key concidered
- * to be a counter value in connectionutility's context.
- *
- * @leave if PS Get or Set fails
- *
- * @param aKey a key value for subscriber wanted
- *
- * @param aCalcFactor a value to be added to the PS key value
- */
- void DoPSCounterIncrementL( TUint32 aKey, TInt aCalcFactor );
-
- private:
-
- /**
- * P&S Current IAP's Id
- */
- RProperty iPropertyCurrentIAPId;
-
- /**
- * P&S Current Destination's Id
- */
- RProperty iPropertyCurrentSNAPId;
-
- /**
- * P&S telling how many instances are using connection
- */
- RProperty iPropertyNbrOfInst;
-
- /**
- * P&S telling how many instances
- * have accepted roaming
- */
- RProperty iPropertyAccepted;
-
- /**
- * P&S telling Connection state property.
- * Object contains PS property for connection state -key and
- * subcribe -listener for that value changes
- */
- CVcxConnUtilSubscriber* iConnectionStatePS;
-
- /**
- * P&S telling if we currently have master instance or not
- * Object contains PS property for masterexist -key and
- * subcribe -listener for that value changes
- */
- CVcxConnUtilSubscriber* iMasterExistPS;
-
- /**
- * P&S telling the roaming request status from
- * the instances
- */
- CVcxConnUtilSubscriber* iRoamingReqStatusPS;
-
- /**
- * P&S telling the amount of connection users responded
- * roaming request
- */
- CVcxConnUtilSubscriber* iNbrInstanceResp;
-
- /**
- * Semaphore to protect critical counter -PS
- * increment and decrement operations.
- */
- RSemaphore iSemaCounter;
-
- };
-
-#endif // __CVCX_CONUTILPUBSUB_H__