sapi_applicationmanager/appmanagerservice/src/appiterator.cpp
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     1 /*
       
     2 * Copyright (c) 2007-2007 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:  This Class provides information of all Application  on phone.
       
    15 *				 				 
       
    16 *
       
    17 */
       
    18 
       
    19 
       
    20 #include <e32cmn.h>
       
    21 #include <APMSTD.H>
       
    22 #include <APAID.H>
       
    23 #include <APGCLI.H>
       
    24 #include "appiterator.h"
       
    25 #include "appinfo.h"
       
    26 #include "appmanagercommon.h"
       
    27 #include "appmanagerservice.h"
       
    28 
       
    29 // -----------------------------------------------------------------------------
       
    30 // CAppIterator::NewL
       
    31 // Returns the instance of CAppIterator class.
       
    32 // -----------------------------------------------------------------------------
       
    33  CAppIterator* CAppIterator::NewL(RApaLsSession& aApaLsSession ,const CFilterParam* aFilterParam )
       
    34 	{
       
    35 	CAppIterator* self = new(ELeave) CAppIterator(aApaLsSession);
       
    36 	CleanupStack::PushL(self);
       
    37 	self->ConstructL(aFilterParam);
       
    38 	CleanupStack::Pop(self);
       
    39 	return self;
       
    40 	}
       
    41 // -----------------------------------------------------------------------------
       
    42 // CAppIterator::CAppIterator
       
    43 // C++ Constructor
       
    44 // -----------------------------------------------------------------------------
       
    45 
       
    46 CAppIterator::CAppIterator(RApaLsSession& aApaLsSession):iApaLsSession(aApaLsSession),iUid(KNullUid),iHandler(EFalse)
       
    47 	{
       
    48 	
       
    49 		
       
    50 	}
       
    51 
       
    52 // -----------------------------------------------------------------------------
       
    53 // CAppIterator::ConstructL
       
    54 // Two-phase constructor
       
    55 // -----------------------------------------------------------------------------
       
    56 void CAppIterator::ConstructL(const CFilterParam* aFilterParam)
       
    57 	{
       
    58 	// If both document name and mimetype are given then document name would be given priority
       
    59 	if( NULL == aFilterParam)
       
    60 		{
       
    61 		//Get all Application
       
    62 		User::LeaveIfError(iApaLsSession.GetAllApps());	
       
    63 		}
       
    64 	else if( (0 != aFilterParam->DocName().Length() ) )	
       
    65 		{
       
    66 		
       
    67 		CAppManagerService::ValidateFilePathL(aFilterParam->DocName());
       
    68 		
       
    69 		//Get Handler for Document
       
    70 		iHandler = ETrue;
       
    71 		TDataType notused;
       
    72 		User::LeaveIfError(iApaLsSession.AppForDocument(aFilterParam->DocName(), iUid, notused));	
       
    73 		
       
    74 		if (iUid == KNullUid)
       
    75 			User::Leave(KErrArgument);
       
    76 		}
       
    77 	else if( ( 0 != aFilterParam->MimeType().Length() ) )
       
    78 		{
       
    79 		 //Get Handler for MIME Type
       
    80 		 iHandler = ETrue;
       
    81 		 TDataType datatype( aFilterParam->MimeType() );// Now it is HBufC*
       
    82 		 /// now makeTDataType object
       
    83 		 User::LeaveIfError( iApaLsSession.AppForDataType(datatype,iUid) );
       
    84 		 
       
    85 		 if (iUid == KNullUid)
       
    86 		 	User::Leave(KErrArgument);
       
    87 		}	
       
    88     else
       
    89         {
       
    90         User::Leave( KErrNotFound);    
       
    91         }
       
    92 	
       
    93 	}
       
    94 
       
    95      
       
    96 // -----------------------------------------------------------------------------
       
    97 // CAppIterator::~CAppIterator
       
    98 // Destructor
       
    99 // -----------------------------------------------------------------------------
       
   100 CAppIterator::~CAppIterator()	
       
   101 	{
       
   102 	
       
   103 		
       
   104 	}
       
   105 
       
   106 // -----------------------------------------------------------------------------
       
   107 // CAppIterator::~CAppIterator
       
   108 // It gives the instance of MInfoMap which contains the information about next application on 
       
   109 // iterator list.
       
   110 // -----------------------------------------------------------------------------
       
   111  TBool  CAppIterator::NextL(MInfoMap*& aInfo)
       
   112 	{
       
   113 
       
   114 	
       
   115 	TApaAppInfo appinfo;
       
   116 	TBool retValue = ETrue;
       
   117 	
       
   118 	if( KNullUid != iUid && iHandler)
       
   119 		{
       
   120 		 //List will return Handler application and it contains only one handler application  
       
   121 		 User::LeaveIfError (iApaLsSession.GetAppInfo(appinfo, iUid));
       
   122 		 aInfo = CAppInfo::NewL(appinfo);
       
   123 		 iHandler = EFalse;
       
   124 
       
   125 		}
       
   126 	else if(KNullUid == iUid && iHandler == EFalse)
       
   127 		{
       
   128         //List will return all application
       
   129         TInt ret = iApaLsSession.GetNextApp(appinfo);
       
   130 
       
   131 		if(RApaLsSession::ENoMoreAppsInList  == ret)
       
   132 			{
       
   133 			//underlying List finished
       
   134 			aInfo = NULL;
       
   135 			retValue = EFalse;	
       
   136 			}
       
   137 		else if(KErrNone != ret)
       
   138 			User::LeaveIfError (ret);//Some error comes
       
   139 		else
       
   140 			{
       
   141 			aInfo = CAppInfo::NewL(appinfo); //send the object of map
       
   142 			}
       
   143 		}	
       
   144 	else
       
   145 		{
       
   146 		aInfo = NULL;
       
   147 		retValue = EFalse;	
       
   148 		}	
       
   149 	
       
   150     return retValue;
       
   151 
       
   152 	}
       
   153 	
       
   154 // -----------------------------------------------------------------------------
       
   155 // CAppIterator::Reset
       
   156 // It resets the iterator
       
   157 // -----------------------------------------------------------------------------
       
   158 void CAppIterator::Reset()
       
   159 	{
       
   160 
       
   161 	if( KNullUid != iUid )
       
   162 		{
       
   163 	    iHandler = ETrue;
       
   164 		}
       
   165 	else
       
   166 		{
       
   167 		//reset the underlying iterator to begining
       
   168 		iApaLsSession.GetAllApps();	
       
   169 		}
       
   170 
       
   171 
       
   172 	
       
   173 }