authorisation/userpromptservice/policies/source/pluginmanager.cpp
changeset 8 35751d3474b7
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2:675a964f4eb5 8:35751d3474b7
       
     1 /*
       
     2 * Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of the License "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 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description: 
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #include <ecom/ecom.h>
       
    20 #include "pluginmanager.h"
       
    21 #include <ups/dialogcreator.h>
       
    22 #include <ups/policyevaluator.h>
       
    23 
       
    24 using namespace UserPromptService;
       
    25 
       
    26 // CPluginManager -----------------------------------------------------------
       
    27 CPluginManager::CPluginManager()
       
    28 /**
       
    29 Constructor
       
    30 */
       
    31 	{		
       
    32 	}
       
    33 	
       
    34 CPluginManager::~CPluginManager()
       
    35 /**
       
    36 Destructor
       
    37 */
       
    38 	{
       
    39 	REComSession::FinalClose();	
       
    40 	}
       
    41 
       
    42 EXPORT_C CPluginManager* CPluginManager::NewL()
       
    43 /**
       
    44 Factory function for plug-in managers.
       
    45 @return A pointer to the new plug-in manager.
       
    46 */
       
    47 	{
       
    48 	CPluginManager* self = new(ELeave) CPluginManager();
       
    49 	return self;
       
    50 	}
       
    51 
       
    52 EXPORT_C void CPluginManager::Unload()
       
    53 /**
       
    54 Schedules a deferred call to REComSession::FinalClose. This is
       
    55 invoked once the last plug-in has been freed.
       
    56 */
       
    57 	{
       
    58 	if (iPluginCount == 0)
       
    59 		{
       
    60 		REComSession::FinalClose();
       
    61 		iUnload = EFalse;
       
    62 		}
       
    63 	else 
       
    64 		{
       
    65 		iUnload = ETrue;
       
    66 		}
       
    67 	}
       
    68 	
       
    69 EXPORT_C void CPluginManager::ReleasePlugin()
       
    70 /**
       
    71 Called by CPlugin to decrement the count of active plug-ins. If
       
    72 Unload has been called then REComSession::FinalClose is invoked when 
       
    73 the plug-in count reaches zero.
       
    74 */
       
    75 	{
       
    76 	if (--iPluginCount == 0 && iUnload)
       
    77 		{
       
    78 		iUnload = EFalse;
       
    79 		REComSession::FinalClose();
       
    80 		}
       
    81 	}
       
    82 	
       
    83 EXPORT_C CPlugin<CPolicyEvaluator>* CPluginManager::CreateEvaluatorL(const TUid& aEvaluatorId)
       
    84 /**
       
    85 Instantiates a new CPolicyEvaluator plug-in.
       
    86 @param aEvaluatorId	The ECOM implementation UID of the policy evaluator to instantiate.
       
    87 @return				A pointer to the new policy evaluator plug-in.
       
    88 */
       
    89 	{
       
    90 	CPolicyEvaluator* e = CPolicyEvaluator::NewL(aEvaluatorId);
       
    91 	CleanupStack::PushL(e);
       
    92 	CPlugin<CPolicyEvaluator>* p = new(ELeave) CPlugin<CPolicyEvaluator>(this, e);
       
    93 	CleanupStack::Pop(e);
       
    94 	++iPluginCount;
       
    95 	return p;
       
    96 	}
       
    97 
       
    98 EXPORT_C CPlugin<CDialogCreator>* CPluginManager::CreateDialogCreatorL(const TUid& aDialogCreatorId)
       
    99 	{
       
   100 /**
       
   101 Instantiates a new CDialogCreator plug-in.
       
   102 @param	aDialogCreatorId	The ECOM implementation UID of the dialog creator to instantiate.
       
   103 @return						A pointer to the new dialog creator plug-in.
       
   104 */
       
   105 	CDialogCreator* d = CDialogCreator::NewL(aDialogCreatorId);
       
   106 	CleanupStack::PushL(d);
       
   107 	CPlugin<CDialogCreator>* p = new(ELeave) CPlugin<CDialogCreator>(this, d);
       
   108 	CleanupStack::Pop(d);
       
   109 	++iPluginCount;
       
   110 	return p;
       
   111 	}