diff -r 000000000000 -r 8e480a14352b messagingfw/msgsrvnstore/mtmbase/src/MTUIREG.CPP --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/messagingfw/msgsrvnstore/mtmbase/src/MTUIREG.CPP Mon Jan 18 20:36:02 2010 +0200 @@ -0,0 +1,114 @@ +// Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies). +// All rights reserved. +// This component and the accompanying materials are made available +// under the terms of "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: +// MODULE - Message Type Module +// User Interface registry +// +// + +// Messaging includes +#include +#include +#include + +// Specific includes +#include "MTUIREG.H" +#include "MTUIPAN.H" + +#ifdef SYMBIAN_ENABLE_SPLIT_HEADERS +#include "msvconsts.h" +#endif + +// +// CMtmUiRegistry // +// +EXPORT_C CMtmUiRegistry* CMtmUiRegistry::NewL(CMsvSession& aMsvSession,TTimeIntervalMicroSeconds32 aTimeoutMicroSeconds32) +/** Constructs and allocates a CMtmUiRegistry object. + +The client should delete this object when it is no longer required. + +The registry keeps a reference count of the number of instances of each MTM +in use. When that reference count falls to zero, the DLL that provides the +MTM is unloaded. However, this is not done immediately, but only after the +time specified in aTimeoutMicroSeconds32. This increases efficiency in cases +where the DLL is required again shortly. + +@param aMsvSession The client's Message Server session +@param aTimeoutMicroSeconds32 Time to wait before unloading MTM DLLs +@leave KErrNoMemory A memory allocation failed +@return A pointer to a newly allocated and initialised object */ + { + CMtmUiRegistry* self = new (ELeave) CMtmUiRegistry(aMsvSession,aTimeoutMicroSeconds32); + CleanupStack::PushL(self); + self->ConstructL(); + CleanupStack::Pop(); + return self; + }; + + +CMtmUiRegistry::~CMtmUiRegistry() +/** Destructor. */ + { + } + + +EXPORT_C CBaseMtmUi* CMtmUiRegistry::NewMtmUiL(CBaseMtm& aMtm) +/** Creates a User Interface MTM object for the specified MTM. + +The client should delete the returned object when it is no longer required. + +@return User Interface MTM object for specified MTM +@param aMtm Client MTM for which to get the associated UI MTM +@leave KErrNotFound MTM type could not be found +@leave KErrNoMemory A memory allocation failed +@leave KErrBadLibraryEntryPoint Malformed MTM: a library entry point was not of the required type +@leave Other DLL loading error codes if the DLL that provides the MTM cannot be loaded +*/ + { + CBaseMtmUi* newMtm = NULL; + if(!IsPresent(aMtm.Type())) + User::Leave(KErrNotFound); + + TInt index=MtmTypeUidToIndex(aMtm.Type()); + CRegisteredMtmDll* registeredmtmdll=iRegisteredMtmDllArray[index]; + RLibrary mtmdlllibrary; + User::LeaveIfError(registeredmtmdll->GetLibrary(iFs,mtmdlllibrary)); + + TInt refcount=registeredmtmdll->MtmDllRefCount(); + TRAPD(ret, newMtm = NewMtmL(mtmdlllibrary, aMtm, *registeredmtmdll)); + + if ((ret!=KErrNone) && (registeredmtmdll->MtmDllRefCount()==refcount)) // Library not released in mtm destructor + registeredmtmdll->ReleaseLibrary(); + + User::LeaveIfError(ret); + return newMtm; + } + +CBaseMtmUi* CMtmUiRegistry::NewMtmL(const RLibrary& aLib, CBaseMtm& aMtm, CRegisteredMtmDll& aReg) const + { + TInt ordinal = aReg.MtmDllInfo().iEntryPointOrdinalNumber; + TLibraryFunction libFunc = aLib.Lookup(ordinal); + if (!libFunc) + User::Leave(KErrBadLibraryEntryPoint); + + MtmUiFactoryFunctionL* pFunc = (MtmUiFactoryFunctionL*)libFunc; + return (*pFunc)(aMtm, aReg); + } + +// protected constructor +CMtmUiRegistry::CMtmUiRegistry(CMsvSession& aMsvSession,TTimeIntervalMicroSeconds32 aTimeoutMicroSeconds32) + : CObserverRegistry(aMsvSession, KUidMtmUiComponent, aTimeoutMicroSeconds32) + { + __DECLARE_NAME(_S("CMtmUiRegistry")); + } +