menufw/hierarchynavigator/hnmetadatamodel/src/hnmdservice.cpp
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     1 /*
       
     2 * Copyright (c) 2007-2008 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 "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 <xmlengdom.h>
       
    20 #include <liwservicehandler.h>
       
    21 #include <mmf/common/mmfcontrollerpluginresolver.h>
       
    22 
       
    23 #include "hnmdservice.h"
       
    24 #include "hnmdservicecommand.h"
       
    25 #include "hnliwutils.h"
       
    26 #include "hnglobals.h"
       
    27 #include "hnmdbasekey.h"
       
    28 #include "hnmdkeyfactory.h"
       
    29 #include "hnservicehandler.h"
       
    30 
       
    31 // ======== MEMBER FUNCTIONS ========
       
    32 
       
    33 // ---------------------------------------------------------------------------
       
    34 // 
       
    35 // ---------------------------------------------------------------------------
       
    36 //
       
    37 void CHnMdService::ConstructL( TXmlEngElement aElement )
       
    38     {
       
    39     SetInterfaceL( aElement.AttributeNodeL( KInterfaceAttrName8 ) );
       
    40     SetServiceL( aElement.AttributeNodeL( KServiceAttrName8 ) );
       
    41     SetConstructorL( aElement );
       
    42     iServiceCommand = CHnMdServiceCommand::NewL( aElement );
       
    43     }
       
    44 
       
    45 // ---------------------------------------------------------------------------
       
    46 // 
       
    47 // ---------------------------------------------------------------------------
       
    48 //
       
    49 CHnMdService* CHnMdService::NewL( TXmlEngElement aElement )
       
    50     {
       
    51     CHnMdService* self = CHnMdService::NewLC( aElement );
       
    52     CleanupStack::Pop( self );
       
    53     return self;
       
    54     }
       
    55 
       
    56 // ---------------------------------------------------------------------------
       
    57 // 
       
    58 // ---------------------------------------------------------------------------
       
    59 //
       
    60 CHnMdService* CHnMdService::NewLC( TXmlEngElement aElement )
       
    61     {
       
    62     CHnMdService* self = new( ELeave ) CHnMdService();
       
    63     CleanupStack::PushL( self );
       
    64     self->ConstructL( aElement );
       
    65     return self;
       
    66     }
       
    67 
       
    68 // ---------------------------------------------------------------------------
       
    69 // 
       
    70 // ---------------------------------------------------------------------------
       
    71 //
       
    72 CHnMdService::CHnMdService()
       
    73     {
       
    74     }
       
    75 
       
    76 // ---------------------------------------------------------------------------
       
    77 // 
       
    78 // ---------------------------------------------------------------------------
       
    79 //
       
    80 CHnMdService::~CHnMdService()
       
    81     {
       
    82     iServiceName.Close();
       
    83     iInterfaceName.Close();
       
    84     delete iConstructor;
       
    85     delete iServiceCommand;
       
    86     }
       
    87     
       
    88 // ---------------------------------------------------------------------------
       
    89 // 
       
    90 // ---------------------------------------------------------------------------
       
    91 //
       
    92 const TDesC8& CHnMdService::GetServiceName() const
       
    93     {
       
    94     return iServiceName;
       
    95     }
       
    96 
       
    97 // ---------------------------------------------------------------------------
       
    98 // 
       
    99 // ---------------------------------------------------------------------------
       
   100 //
       
   101 const TDesC8& CHnMdService::GetInterfaceName() const
       
   102     {
       
   103     return iInterfaceName;
       
   104     }
       
   105 
       
   106 // ---------------------------------------------------------------------------
       
   107 // 
       
   108 // ---------------------------------------------------------------------------
       
   109 //
       
   110 const CHnMdServiceCommand& CHnMdService::GetCommand() const
       
   111     {
       
   112     return *iServiceCommand;
       
   113     }
       
   114 
       
   115 // ---------------------------------------------------------------------------
       
   116 // 
       
   117 // ---------------------------------------------------------------------------
       
   118 //
       
   119 CHnMdBaseKey* CHnMdService::GetConstructor() const
       
   120     {
       
   121     return iConstructor;
       
   122     }
       
   123 
       
   124 // ---------------------------------------------------------------------------
       
   125 //
       
   126 // ---------------------------------------------------------------------------
       
   127 //
       
   128 void CHnMdService::SetConstructorL( TXmlEngElement aElement )
       
   129     {
       
   130     iConstructor = HnMdKeyFactory::CreateL( KConstructorElementItem8(), KKeyTypeList(), 
       
   131             KNullDesC8() );
       
   132     RXmlEngNodeList< TXmlEngElement > elements;
       
   133     CleanupClosePushL( elements );
       
   134     aElement.GetChildElements( elements );
       
   135 
       
   136     TInt elementsCount = elements.Count();
       
   137 
       
   138     for (TInt i =0; i < elementsCount; i++ )
       
   139         {
       
   140         TXmlEngElement dataElement = elements.Next();
       
   141 
       
   142         if ( !dataElement.Name().Compare( KConstructorElementItem8 ) )
       
   143             {
       
   144             RXmlEngNodeList< TXmlEngElement > keys;
       
   145             CleanupClosePushL( keys );
       
   146             dataElement.GetChildElements( keys );
       
   147 
       
   148             for (TInt j = 0; j < keys.Count(); j++ )
       
   149                 {
       
   150                 TXmlEngElement keyElement = keys.Next();
       
   151                 if ( !keyElement.Name().Compare( KKeyElementItem8 ) )
       
   152                     {
       
   153                     CHnMdBaseKey *key = HnMdKeyFactory::CreateL( keyElement );
       
   154                     CleanupStack::PushL( key );
       
   155                     iConstructor->AddSubKeyL( key );
       
   156                     CleanupStack::Pop( key );
       
   157                     }
       
   158                 }
       
   159             CleanupStack::PopAndDestroy( &keys );
       
   160             }
       
   161         }
       
   162     CleanupStack::PopAndDestroy( &elements );
       
   163     }
       
   164 
       
   165 // ---------------------------------------------------------------------------
       
   166 //
       
   167 // ---------------------------------------------------------------------------
       
   168 //
       
   169 void CHnMdService::SetInterfaceL( TXmlEngAttr aAttr )
       
   170     {
       
   171     iInterfaceName.Close();
       
   172     iInterfaceName.CreateL( aAttr.Value() );
       
   173     }
       
   174 
       
   175 // ---------------------------------------------------------------------------
       
   176 // 
       
   177 // ---------------------------------------------------------------------------
       
   178 //
       
   179 void CHnMdService::SetServiceL( TXmlEngAttr aAttr )
       
   180     {
       
   181     iServiceName.Close();
       
   182     iServiceName.CreateL( aAttr.Value() );
       
   183     }
       
   184 
       
   185 // ---------------------------------------------------------------------------
       
   186 // 
       
   187 // ---------------------------------------------------------------------------
       
   188 //
       
   189 CLiwGenericParamList* CHnMdService::EvaluateConstructorL( 
       
   190         const CLiwGenericParamList& aList,
       
   191         TInt aPos)
       
   192     {
       
   193     CHnMdBaseKey* evalKeys = EvaluateConstructorAsKeyL( aList, aPos ); 
       
   194     CleanupStack::PushL( evalKeys );
       
   195     CLiwGenericParamList* ret = CLiwGenericParamList::NewL();
       
   196     CleanupStack::PushL( ret ); 
       
   197     if ( evalKeys )
       
   198         {
       
   199         evalKeys->ToGenericParamListL( *ret );
       
   200         }
       
   201     CleanupStack::Pop( ret );
       
   202     CleanupStack::PopAndDestroy( evalKeys );
       
   203     return ret;
       
   204     }
       
   205 
       
   206 // ---------------------------------------------------------------------------
       
   207 // 
       
   208 // ---------------------------------------------------------------------------
       
   209 //
       
   210 CHnMdBaseKey* CHnMdService::EvaluateConstructorAsKeyL( 
       
   211         const CLiwGenericParamList& aList,
       
   212         TInt aPos)
       
   213     {
       
   214     CHnMdBaseKey* consKeys = GetConstructor();
       
   215     CHnMdBaseKey* evalKeys = NULL;
       
   216     if (consKeys)
       
   217         {
       
   218         evalKeys =  consKeys->EvaluateLC( aList, aPos );
       
   219         CleanupStack::Pop( evalKeys );
       
   220         }
       
   221     return evalKeys;
       
   222     }
       
   223 
       
   224 // ---------------------------------------------------------------------------
       
   225 // 
       
   226 // ---------------------------------------------------------------------------
       
   227 //
       
   228 CLiwGenericParamList* CHnMdService::EvaluateCommandL( 
       
   229         const CLiwGenericParamList& aList,
       
   230         TInt aPos
       
   231         )
       
   232     {
       
   233     CHnMdBaseKey* evalKeys = EvaluateCommandAsKeyL( aList, aPos );
       
   234     CleanupStack::PushL( evalKeys );
       
   235     CLiwGenericParamList* ret = CLiwGenericParamList::NewL();
       
   236     CleanupStack::PushL( ret );
       
   237     if ( evalKeys )
       
   238             {
       
   239             evalKeys->ToGenericParamListL( *ret );
       
   240             }
       
   241     CleanupStack::Pop( ret );
       
   242     CleanupStack::PopAndDestroy( evalKeys );
       
   243     return ret;
       
   244     }
       
   245 
       
   246 // ---------------------------------------------------------------------------
       
   247 // 
       
   248 // ---------------------------------------------------------------------------
       
   249 //
       
   250 CHnMdBaseKey* CHnMdService::EvaluateCommandAsKeyL( 
       
   251         const CLiwGenericParamList& aList,
       
   252         TInt aPos
       
   253         )
       
   254     {
       
   255     CHnMdBaseKey* keys = iServiceCommand->GetCommandData();
       
   256     CHnMdBaseKey* evalKeys = NULL;
       
   257     if (keys)
       
   258         {
       
   259         evalKeys = keys->EvaluateLC( aList, aPos );
       
   260         CleanupStack::Pop( evalKeys );
       
   261         
       
   262         }
       
   263     return evalKeys;
       
   264     }
       
   265