1 // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

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

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

     5 // which accompanies this distribution, and is available

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

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // SS_APIEXT_REGISTER.CPP

    15 // 

    16 //

    17 

    18 #include <ecom/ecom.h>

    19 #include "sd_std.h"

    20 #include "sd_apiextension.h"

    21 #include "sd_apiextensionregister.h"

    22 #include <e32base.h>

    23 

    24 

    25 #ifdef _DEBUG

    26 // Panic category for "absolutely impossible!" vanilla ASSERT()-type panics from this module

    27 // (if it could happen through user error then you should give it an explicit, documented, category + code)

    28 _LIT(KSpecAssert_ElemSvrDenApiXRC, "ElemSvrDenApiXRC");

    29 #endif

    30 

    31 using namespace Den;

    32 //using namespace Messages;

    33 

    34 TInt CompareApiExtIdentifications(const TApiExtIdentification& aExtItfId1, const TApiExtIdentification& aExtItfId2)

    35 	{

    36 	return Mem::Compare(aExtItfId1.Ptr(), sizeof(TInt)+sizeof(TInt), aExtItfId2.Ptr(), sizeof(TInt)+sizeof(TInt));

    37 	}

    38 

    39 TApiExtRegister::~TApiExtRegister()

    40 	{

    41 	//We should not have anything to cleanup here.

    42 	//Every session and subsession must close all

    43 	//remaining extensions from their destructors.

    44 	__ASSERT_DEBUG(iApiExtList.Count()==0, User::Panic(KSpecAssert_ElemSvrDenApiXRC, 1)); //Panic in debug

    45 	iApiExtList.Close();

    46 	}

    47 

    48 void TApiExtRegister::CleanupInterfaceRegistration(TAny* aSelf)

    49 	{

    50 	TApiExtRegister* reg = static_cast<TApiExtRegister*>(aSelf);

    51 	__ASSERT_DEBUG(reg->iClenupInfoExtItfId, User::Panic(KSpecAssert_ElemSvrDenApiXRC, 2)); //We have just added..

    52 	TLinearOrder<TApiExtIdentification> order(CompareApiExtIdentifications);

    53 	TInt index = reg->iApiExtList.FindInOrder(*reg->iClenupInfoExtItfId, order);

    54 	__ASSERT_DEBUG(index!=KErrNotFound, User::Panic(KSpecAssert_ElemSvrDenApiXRC, 3)); //We have just added..

    55 	reg->iApiExtList.Remove(index);

    56 	}

    57 

    58 void TApiExtRegister::CleanupInterfaceDeregistrationPushL(const TApiExtIdentification& aExtItfId)

    59 	{

    60 	//Never call this fn twice without a Pop() in between

    61 	TLinearOrder<TApiExtIdentification> order(CompareApiExtIdentifications);

    62 	TInt index = iApiExtList.FindInOrder(aExtItfId, order);

    63 	__ASSERT_DEBUG(index!=KErrNotFound, User::Panic(KSpecAssert_ElemSvrDenApiXRC, 4)); //We have just added..

    64 	iClenupInfoExtItfId = &iApiExtList[index];

    65 	CleanupStack::PushL(TCleanupItem(TApiExtRegister::CleanupInterfaceRegistration, this));

    66 	}

    67 

    68 void TApiExtRegister::RegisterOpenInterfaceLC(const TApiExtIdentification& aExtItfId)

    69 	{

    70 	//Never call this fn twice without a Pop() in between

    71 	TLinearOrder<TApiExtIdentification> order(CompareApiExtIdentifications);

    72 	TInt index = iApiExtList.FindInOrder(aExtItfId, order);

    73 	User::LeaveIfError(index!=KErrNotFound? KErrAlreadyExists : KErrNone);

    74 	iApiExtList.InsertInOrderL(aExtItfId, order);

    75 	CleanupInterfaceDeregistrationPushL(aExtItfId);

    76 	}

    77 

    78 void TApiExtRegister::DeregisterClosedInterface(const TApiExtIdentification& aExtItfId)

    79 	{

    80 	TLinearOrder<TApiExtIdentification> order(CompareApiExtIdentifications);

    81 	TInt index = iApiExtList.FindInOrder(aExtItfId, order);

    82 	__ASSERT_DEBUG(index!=KErrNotFound, User::Panic(KSpecAssert_ElemSvrDenApiXRC, 5)); //UDEB

    83 	if (index!=KErrNotFound)

    84 		{

    85 		iApiExtList.Remove(index);

    86 		}

    87 	}

    88 

    89 TBool TApiExtRegister::IsOpened(const TApiExtIdentification& aExtItfId)

    90 	{

    91 	TLinearOrder<TApiExtIdentification> order(CompareApiExtIdentifications);

    92 	return KErrNotFound==iApiExtList.FindInOrder(aExtItfId, order)?

    93 		EFalse : ETrue;

    94 	}

    95 

    96 const TApiExtIdentification& TApiExtRegister::operator[](TInt aIndex)

    97 	{

    98 	__ASSERT_DEBUG(aIndex>=0 && aIndex<iApiExtList.Count(), User::Panic(KSpecAssert_ElemSvrDenApiXRC, 6));

    99 	return iApiExtList[aIndex];

   100 	}

   101 

   102