menucontentsrv/engsrc/menuengobject.cpp
branchRCL_3
changeset 114 a5a39a295112
equal deleted inserted replaced
113:0efa10d348c0 114:a5a39a295112
       
     1 /*
       
     2 * Copyright (c) 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 "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 #include "mcsdef.h"
       
    18 #include "menuengobject.h"
       
    19 #include "mcsmenuitem.h"
       
    20 #include "menueng.h"
       
    21 #include "centralrepository.h"
       
    22 
       
    23 // ================= LOCAL FUNCTIONS =======================
       
    24 
       
    25 /**
       
    26 * Check if this is a valid attribute name. Leave with KErrArgument if not.
       
    27 * We don't accept whitespace or exotic characters anywhere, and also
       
    28 * forbid setting reserved attribute "flags".
       
    29 */
       
    30 LOCAL_C void CheckAttrNameL( const TDesC& aAttrName )
       
    31     {
       
    32     if ( !aAttrName.Length() )
       
    33         {
       
    34         User::Leave( KErrArgument );
       
    35         }
       
    36     if ( KMenuAttrFlags() == aAttrName || KMenuAttrId() == aAttrName )
       
    37         {
       
    38         // Internal attributes, disallow.
       
    39         User::Leave( KErrArgument );
       
    40         }
       
    41     for ( TInt i = 0; i < aAttrName.Length(); i++ )
       
    42         {
       
    43         TChar c =  aAttrName[i];
       
    44         if ( !c.IsAlphaDigit() &&
       
    45              '_' != c &&
       
    46              '-' != c &&
       
    47              ':' != c )
       
    48             {
       
    49             User::Leave( KErrArgument );
       
    50             }
       
    51         }
       
    52     }
       
    53 
       
    54 // ================= MEMBER FUNCTIONS =======================
       
    55 
       
    56 // ---------------------------------------------------------
       
    57 // CMenuEngObject::~CMenuEngObject
       
    58 // ---------------------------------------------------------
       
    59 //
       
    60 EXPORT_C CMenuEngObject::~CMenuEngObject()
       
    61     {
       
    62     iAttributes.ResetAndDestroy();
       
    63     iType.Close();
       
    64     }
       
    65 
       
    66 // ---------------------------------------------------------
       
    67 // CMenuEngObject::NewL
       
    68 // ---------------------------------------------------------
       
    69 //
       
    70 CMenuEngObject* CMenuEngObject::NewL
       
    71 ( CMenuEng& aEng, const TDesC& aType )
       
    72     {
       
    73     CMenuEngObject* obj = new (ELeave) CMenuEngObject( aEng );
       
    74     CleanupStack::PushL( obj );
       
    75     obj->ConstructL( aType );
       
    76     CleanupStack::Pop( obj );
       
    77     return obj;
       
    78     }
       
    79 
       
    80 // ---------------------------------------------------------
       
    81 // CMenuEngObject::CMenuEngObject
       
    82 // ---------------------------------------------------------
       
    83 //
       
    84 CMenuEngObject::CMenuEngObject( CMenuEng& aEng ): iEng( aEng ),
       
    85         iAppType( ENoTypeApp )
       
    86     {
       
    87     }
       
    88 
       
    89 // ---------------------------------------------------------
       
    90 // CMenuEngObject::ConstructL
       
    91 // ---------------------------------------------------------
       
    92 //
       
    93 void CMenuEngObject::ConstructL( const TDesC& aType )
       
    94     {
       
    95     CGECODefaultObject::BaseConstructL( aType );
       
    96     iType.CreateL( aType );
       
    97     }
       
    98 
       
    99 // ---------------------------------------------------------
       
   100 // CMenuEngObject::Id
       
   101 // ---------------------------------------------------------
       
   102 //
       
   103 EXPORT_C TInt CMenuEngObject::Id() const
       
   104     {
       
   105     return iId;
       
   106     }
       
   107 
       
   108 // ---------------------------------------------------------
       
   109 // CMenuEngObject::Flags
       
   110 // ---------------------------------------------------------
       
   111 //
       
   112 EXPORT_C TUint32 CMenuEngObject::Flags( TBool aFactoryCall ) const
       
   113     {
       
   114     TUint32 flags = iFlags;
       
   115     //if hidden flag is not set, we check it in central repository
       
   116     if( !aFactoryCall )
       
   117     	{
       
   118     	TRAP_IGNORE( UpdateCrHiddenFlagL( flags ) );
       
   119     	}
       
   120     return flags;
       
   121     }
       
   122 
       
   123 
       
   124 // ---------------------------------------------------------
       
   125 // CMenuEngObject::UpdateCrHiddenFlagL
       
   126 // ---------------------------------------------------------
       
   127 //
       
   128 void CMenuEngObject::UpdateCrHiddenFlagL( TUint32& aFlags ) const
       
   129 	{
       
   130     if ( iType == KMenuTypeFolder() && !( iFlags & TMenuItem::EHidden ) )
       
   131     	{
       
   132     	TBool localized;
       
   133     	TPtrC folderName(KNullDesC);
       
   134     	TBool exists = FindAttribute( KMenuAttrAppGroupName, folderName, localized );
       
   135 
       
   136     	if ( exists && IsInCrL( folderName ) )
       
   137     		{
       
   138 			aFlags |= TMenuItem::EHidden;
       
   139     		}
       
   140     	}
       
   141 	}
       
   142 
       
   143 // ---------------------------------------------------------
       
   144 // CMenuEngObject::ParseHiddenFoldersL
       
   145 // ---------------------------------------------------------
       
   146 //
       
   147 void CMenuEngObject::ParseHiddenFoldersL(
       
   148             const TDesC& aHiddenFolders,
       
   149             RArray<TPtrC>& aHiddenFoldersArray ) const
       
   150     {
       
   151     TLex input( aHiddenFolders );
       
   152     TLexMark startMark;
       
   153     input.Mark( startMark );
       
   154     TBool notEmpty = EFalse;
       
   155     while ( !input.Eos() )
       
   156         {
       
   157         if( input.Peek() == ',')
       
   158             {
       
   159             User::LeaveIfError( aHiddenFoldersArray.
       
   160                             Append( input.MarkedToken( startMark )  ) );
       
   161             input.Inc();
       
   162             input.Mark( startMark );
       
   163             }
       
   164         input.Inc();
       
   165         notEmpty = ETrue;
       
   166         }
       
   167 	if ( notEmpty )
       
   168 		{
       
   169 		User::LeaveIfError( aHiddenFoldersArray.
       
   170 						Append( input.MarkedToken( startMark )  ) );
       
   171 		}
       
   172    }
       
   173 
       
   174 // ---------------------------------------------------------
       
   175 // CMenuEngObject::IsInCrL
       
   176 // ---------------------------------------------------------
       
   177 //
       
   178 TBool CMenuEngObject::IsInCrL( const TDesC& aFolderName ) const
       
   179     {
       
   180 	RBuf hiddenCRFolders;
       
   181 	CleanupClosePushL( hiddenCRFolders );
       
   182 	hiddenCRFolders.CreateL( KCenRepBufferSize );
       
   183 
       
   184     CRepository* cenRepSession = CRepository::NewLC( KCRUidMenu );
       
   185     cenRepSession->Get( KMenuHideCPFolder, hiddenCRFolders );
       
   186 	CleanupStack::PopAndDestroy( cenRepSession );
       
   187 
       
   188 	RArray<TPtrC> hiddenFoldersArray;
       
   189     CleanupClosePushL( hiddenFoldersArray );
       
   190 	ParseHiddenFoldersL( hiddenCRFolders, hiddenFoldersArray );
       
   191 
       
   192     TBool result(EFalse);
       
   193     TInt id = hiddenFoldersArray.Find(aFolderName);
       
   194     if (KErrNotFound != id )
       
   195         {
       
   196         TPtrC folderName(KNullDesC);
       
   197         folderName.Set( hiddenFoldersArray[id] );
       
   198         if (folderName == aFolderName)
       
   199             {
       
   200             result = ETrue;
       
   201             }
       
   202         }
       
   203 
       
   204 	CleanupStack::PopAndDestroy( &hiddenFoldersArray );
       
   205 	CleanupStack::PopAndDestroy( &hiddenCRFolders );
       
   206 
       
   207     return result;
       
   208     }
       
   209 
       
   210 // ---------------------------------------------------------
       
   211 // CMenuEngObject::Type
       
   212 // ---------------------------------------------------------
       
   213 //
       
   214 EXPORT_C TPtrC CMenuEngObject::Type() const
       
   215     {
       
   216     return iType;
       
   217     }
       
   218 
       
   219 // ---------------------------------------------------------
       
   220 // CMenuEngObject::NumAttributes
       
   221 // ---------------------------------------------------------
       
   222 //
       
   223 TInt CMenuEngObject::NumAttributes() const
       
   224     {
       
   225     return iAttributes.Count();
       
   226     }
       
   227 
       
   228 // ---------------------------------------------------------
       
   229 // CMenuEngObject::GetAttribute
       
   230 // ---------------------------------------------------------
       
   231 //
       
   232 EXPORT_C TBool CMenuEngObject::GetAttribute
       
   233 ( TInt aIndex, TPtrC& aName, TPtrC& aValue, TBool& aLocalized ) const
       
   234     {
       
   235     if( aIndex < 0 || aIndex >= iAttributes.Count() )
       
   236         {
       
   237         return EFalse;
       
   238         }
       
   239     CMenuEngObjectAttr* attr = iAttributes[aIndex];
       
   240     aName.Set( attr->Name() );
       
   241     aValue.Set( attr->Value() );
       
   242     aLocalized = attr->Localized();
       
   243     return ETrue;
       
   244     }
       
   245 
       
   246 // ---------------------------------------------------------
       
   247 // CMenuEngObject::FindAttribute
       
   248 // ---------------------------------------------------------
       
   249 //
       
   250 EXPORT_C TBool CMenuEngObject::FindAttribute
       
   251 ( const TDesC& aName, TPtrC& aValue, TBool& aLocalized ) const
       
   252     {
       
   253     TInt i = iAttributes.Find( aName );
       
   254     if ( KErrNotFound != i )
       
   255         {
       
   256         CMenuEngObjectAttr* attr = iAttributes[i];
       
   257         aValue.Set( attr->Value() );
       
   258         aLocalized = attr->Localized();
       
   259         return ETrue;
       
   260         }
       
   261     return EFalse;
       
   262     }
       
   263 
       
   264 // ---------------------------------------------------------
       
   265 // CMenuEngObject::SetFlags
       
   266 // ---------------------------------------------------------
       
   267 //
       
   268 EXPORT_C void CMenuEngObject::SetFlags( TUint32 aMask, TBool aOn )
       
   269     {
       
   270     if ( aOn )
       
   271         {
       
   272         iFlags |= aMask;
       
   273         }
       
   274     else
       
   275         {
       
   276         iFlags &= ~aMask;
       
   277         }
       
   278     }
       
   279 
       
   280 // ----------------------------------------------------------------------------
       
   281 // CMenuEngObject::SetAttributeL
       
   282 // Menu item lock flags are checked (e.g. can rename), but only when the
       
   283 // current SetAttributeL call is not made from the object factories.
       
   284 // If it is called from there, no flags checking is made.
       
   285 // This method is called from object factories when the engine is in
       
   286 // ELoadRamFile or ELoadRomFile states.
       
   287 // ----------------------------------------------------------------------------
       
   288 //
       
   289 EXPORT_C void CMenuEngObject::SetAttributeL
       
   290 ( const TDesC& aAttrName, const TDesC& aAttrValue, TBool aLocalized )
       
   291     {
       
   292     SetInitialAttributeL( aAttrName, aAttrValue, aLocalized );
       
   293     CGECODefaultObject::RemoveAttribute( aAttrName );
       
   294     CGECODefaultObject::SetAttributeL( aAttrName, aAttrValue, aLocalized );
       
   295     }
       
   296 
       
   297 void CMenuEngObject::SetInitialAttributeL
       
   298 ( const TDesC& aAttrName, const TDesC& aAttrValue, TBool aLocalized )
       
   299     {
       
   300     CheckAttrNameL( aAttrName );
       
   301 
       
   302     if ( iEng.State() != CMenuEng::ELoadRamFile &&
       
   303          iEng.State() != CMenuEng::ELoadRomFile &&
       
   304          Flags() & TMenuItem::ELockName &&
       
   305          ( 0 == aAttrName.Compare( KMenuAttrShortName ) ||
       
   306            0 == aAttrName.Compare( KMenuAttrLongName ) ||
       
   307            0 == aAttrName.Compare( KMenuAttrTitleName ) ) )
       
   308         {
       
   309         User::Leave( KErrAccessDenied );
       
   310         }
       
   311 
       
   312     CMenuEngObjectAttr* attr = NULL;
       
   313     TInt i = iAttributes.Find( aAttrName );
       
   314     if ( KErrNotFound == i )
       
   315         {
       
   316         attr = CMenuEngObjectAttr::NewLC( aAttrName );
       
   317         iAttributes.AppendL( attr );
       
   318         CleanupStack::Pop( attr );
       
   319         }
       
   320     else
       
   321         {
       
   322         attr = iAttributes[i];
       
   323         }
       
   324     __ASSERT_DEBUG( attr, User::Invariant() );
       
   325     attr->SetValueL( aAttrValue );
       
   326     attr->SetLocalized( aLocalized );
       
   327     }
       
   328 
       
   329 // ---------------------------------------------------------
       
   330 // CMenuEngObject::SetNative
       
   331 // ---------------------------------------------------------
       
   332 //
       
   333 EXPORT_C void CMenuEngObject::SetAppType( TAppType aAppType )
       
   334     {
       
   335     iAppType = aAppType;
       
   336     }
       
   337 
       
   338 // ---------------------------------------------------------
       
   339 // CMenuEngObject::GetNative
       
   340 // ---------------------------------------------------------
       
   341 //
       
   342 EXPORT_C CMenuEngObject::TAppType CMenuEngObject::GetAppType() const
       
   343     {
       
   344     return iAppType;
       
   345     }
       
   346 
       
   347 // ---------------------------------------------------------
       
   348 // CMenuEngObject::RemoveAttribute
       
   349 // ---------------------------------------------------------
       
   350 //
       
   351 EXPORT_C void CMenuEngObject::RemoveAttribute( const TDesC& aName )
       
   352     {
       
   353     TInt i = iAttributes.Find( aName );
       
   354     if ( KErrNotFound != i )
       
   355         {
       
   356         delete iAttributes[i];
       
   357         iAttributes.Remove( i );
       
   358         CGECODefaultObject::RemoveAttribute( aName );
       
   359         }
       
   360     }
       
   361 
       
   362 // ---------------------------------------------------------
       
   363 // CMenuEngObject::Reset
       
   364 // ---------------------------------------------------------
       
   365 //
       
   366 EXPORT_C void CMenuEngObject::Reset()
       
   367     {
       
   368     iAttributes.ResetAndDestroy();
       
   369     iFlags = 0;
       
   370     }
       
   371 
       
   372 // ---------------------------------------------------------
       
   373 // CMenuEngObject::SetId
       
   374 // ---------------------------------------------------------
       
   375 //
       
   376 void CMenuEngObject::SetId( TInt aId )
       
   377     {
       
   378     iId = aId;
       
   379     }
       
   380 
       
   381 // ---------------------------------------------------------
       
   382 // CMenuEngObject::Engine
       
   383 // ---------------------------------------------------------
       
   384 //
       
   385 CMenuEng& CMenuEngObject::Engine()
       
   386     {
       
   387     return iEng;
       
   388     }
       
   389 
       
   390 // ---------------------------------------------------------
       
   391 // CMenuEngObject::TypeIdentifier
       
   392 // ---------------------------------------------------------
       
   393 //
       
   394 const TDesC& CMenuEngObject::TypeIdentifier()
       
   395     {
       
   396     return iType;
       
   397     }
       
   398 
       
   399 //  End of File