accessoryservices/remotecontrolfw/server/src/convertermanager.cpp
changeset 0 4e1aa6a622a0
equal deleted inserted replaced
-1:000000000000 0:4e1aa6a622a0
       
     1 // Copyright (c) 2004-2009 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 // Converter manager.
       
    15 // 
       
    16 //
       
    17 
       
    18 /**
       
    19  @file
       
    20  @internalComponent
       
    21 */
       
    22 
       
    23 #include <bluetooth/logger.h>
       
    24 #include <remcon/remconconverterplugin.h>
       
    25 #include <remcon/remconconverterinterface.h>
       
    26 #include "convertermanager.h"
       
    27 #include "utils.h"
       
    28 
       
    29 #ifdef __FLOG_ACTIVE
       
    30 _LIT8(KLogComponent, LOG_COMPONENT_REMCON_SERVER);
       
    31 #endif
       
    32 
       
    33 #ifdef _DEBUG
       
    34 PANICCATEGORY("convman");
       
    35 #endif
       
    36 
       
    37 #ifdef __FLOG_ACTIVE
       
    38 #define LOGCONVERTERS	LogConverters()
       
    39 #else
       
    40 #define LOGCONVERTERS
       
    41 #endif
       
    42 
       
    43 CConverterManager* CConverterManager::NewL()
       
    44 	{
       
    45 	LOG_STATIC_FUNC
       
    46 	CConverterManager* self = new(ELeave) CConverterManager();
       
    47 	CleanupStack::PushL(self);
       
    48 	self->ConstructL();
       
    49 	CLEANUPSTACK_POP1(self);
       
    50 	return self;
       
    51 	}
       
    52 
       
    53 CConverterManager::~CConverterManager()
       
    54 	{
       
    55 	LOG_FUNC;
       
    56 	LOGCONVERTERS;
       
    57 
       
    58 	iConverterIfs.Reset();
       
    59 
       
    60 	// Destroy all converter instances.
       
    61 	iConverters.ResetAndDestroy();
       
    62 
       
    63 	LOGCONVERTERS;
       
    64 	}
       
    65 
       
    66 CConverterManager::CConverterManager()
       
    67 	{
       
    68 	LOG_FUNC
       
    69 	}
       
    70 
       
    71 void CConverterManager::ConstructL()
       
    72 	{
       
    73 	LOG_FUNC;
       
    74 
       
    75 	// Instantiate all converters at construction time. 
       
    76 	LoadAllConvertersL();
       
    77 
       
    78 	LOGCONVERTERS;
       
    79 	}
       
    80 
       
    81 void CConverterManager::LoadAllConvertersL()
       
    82 	{
       
    83 	LOG_FUNC;
       
    84 
       
    85 	// Use ECOM to instantiate each implementation of the plugin interface.
       
    86 	const TUid KUidRemoteControlConverterPluginInterface = TUid::Uid(KRemConConverterInterfaceUid);
       
    87 	RImplInfoPtrArray implementations;
       
    88 	const TEComResolverParams noResolverParams;
       
    89 	REComSession::ListImplementationsL(KUidRemoteControlConverterPluginInterface, 
       
    90 		noResolverParams, 
       
    91 		KRomOnlyResolverUid, 
       
    92 		implementations);
       
    93 	CleanupResetAndDestroyPushL(implementations);
       
    94 	const TUint count = implementations.Count();
       
    95 	LOG1(_L("\tnumber of implementations of converter plugin interface: %d"), count);
       
    96 	// It is legal to have no converters. Some bearers may do conversion 
       
    97 	// internally. Others may have entirely state-dependent conversion.
       
    98 	for ( TUint ii = 0 ; ii < count ; ++ii )
       
    99 		{
       
   100 		CImplementationInformation* impl = implementations[ii];
       
   101 		ASSERT_DEBUG(impl);
       
   102 		LOG(_L("\tloading converter with:"));
       
   103 		LOG1(_L("\t\timplementation uid 0x%08x"), impl->ImplementationUid());
       
   104 		LOG1(_L("\t\tversion number %d"), impl->Version());
       
   105 		TBuf8<KMaxName> buf8;
       
   106 		buf8.Copy(impl->DisplayName());
       
   107 		LOG1(_L8("\t\tdisplay name \"%S\""), &buf8);
       
   108 		LOG1(_L("\t\tROM only %d"), impl->RomOnly());
       
   109 		LOG1(_L("\t\tROM based %d"), impl->RomBased());
       
   110 
       
   111 		CRemConConverterPlugin* conv = CRemConConverterPlugin::NewL(impl->ImplementationUid());
       
   112 		CleanupStack::PushL(conv);
       
   113 		LEAVEIFERRORL(iConverters.Append(conv));
       
   114 
       
   115 		TInterfaceInfo info;
       
   116 		info.iIf = reinterpret_cast<MRemConConverterInterface*>(conv->GetInterface(TUid::Uid(KRemConConverterInterface1)));
       
   117 		// The converter plugins must currently support MRemConConverterInterface.
       
   118 		ASSERT_DEBUG(info.iIf);
       
   119 		info.iIfUid = TUid::Uid(KRemConConverterInterface1);
       
   120 		info.iConverterUid = impl->ImplementationUid();
       
   121 		TInt err = iConverterIfs.Append(info);
       
   122 		if ( err != KErrNone )
       
   123 			{
       
   124 			iConverters.Remove(iConverters.Count() - 1);
       
   125 			LEAVEIFERRORL(err);
       
   126 			}
       
   127 		CLEANUPSTACK_POP1(conv);
       
   128 		}
       
   129 	CleanupStack::PopAndDestroy(&implementations);
       
   130 	}
       
   131 
       
   132 #ifdef __FLOG_ACTIVE
       
   133 void CConverterManager::LogConverters() const
       
   134 	{
       
   135 	const TUint count = iConverters.Count();
       
   136 	LOG1(_L("\tNumber of converters = %d"), count);
       
   137 	for ( TUint ii = 0 ; ii < count ; ++ii )
       
   138 		{
       
   139 		const CRemConConverterPlugin* const conv = iConverters[ii];
       
   140 		ASSERT_DEBUG(conv);
       
   141 		LOG2(_L("\t\tconv %d [0x%08x]"), 
       
   142 			ii, 
       
   143 			conv);
       
   144 		}
       
   145 	}
       
   146 #endif // __FLOG_ACTIVE
       
   147 
       
   148 MRemConConverterInterface* CConverterManager::Converter(TUid aInterfaceUid, 
       
   149 							   TUid aBearerUid) const
       
   150 	{
       
   151 	LOG_FUNC;
       
   152 	LOG2(_L("\taInterfaceUid = 0x%08x, aBearerUid = 0x%08x"), aInterfaceUid, aBearerUid);
       
   153 
       
   154 	MRemConConverterInterface* converter = NULL;
       
   155 
       
   156 	const TUint count = iConverterIfs.Count();
       
   157 	for ( TUint ii = 0 ; ii < count ; ++ii )
       
   158 		{
       
   159 		const TInterfaceInfo& tmp = iConverterIfs[ii];
       
   160 		ASSERT_DEBUG(tmp.iIf);
       
   161 		if (tmp.iIf->SupportedUids(aInterfaceUid, aBearerUid))
       
   162 			{
       
   163 			converter = tmp.iIf;
       
   164 			break;
       
   165 			}
       
   166 		}
       
   167 
       
   168 	LOG1(_L("\tconverter = 0x%08x"), converter);
       
   169 	return converter;
       
   170 	}
       
   171 	
       
   172 MRemConConverterInterface* CConverterManager::Converter(const TDesC8& aInterfaceData, 
       
   173 							   TUid aBearerUid) const
       
   174 	{
       
   175 	LOG_FUNC;
       
   176 
       
   177 	MRemConConverterInterface* converter = NULL;
       
   178 
       
   179 	const TUint count = iConverterIfs.Count();
       
   180 	for ( TUint ii = 0 ; ii < count ; ++ii )
       
   181 		{
       
   182 		const TInterfaceInfo& tmp = iConverterIfs[ii];
       
   183 		ASSERT_DEBUG(tmp.iIf);
       
   184 		if (tmp.iIf->SupportedInterface(aInterfaceData, aBearerUid))
       
   185 			{
       
   186 			converter = tmp.iIf;
       
   187 			break;
       
   188 			}
       
   189 		}
       
   190 
       
   191 	LOG1(_L("\tconverter = 0x%08x"), converter);
       
   192 	return converter;
       
   193 	}