gssettingsuis/Gs/GSFramework/src/GSBaseDocument.cpp
branchGCC_SURGE
changeset 45 f48d04161a92
parent 27 572294aa6075
parent 43 3341fe7c643a
equal deleted inserted replaced
27:572294aa6075 45:f48d04161a92
     1 /*
       
     2 * Copyright (c) 2002-2005 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:  Base Document for the General Settings Application
       
    15 *
       
    16 */
       
    17 
       
    18 #include "GSBaseDocument.h"
       
    19 
       
    20 // User includes
       
    21 #include "GSPluginWrapper.h"
       
    22 #include "GSPluginAndViewIdCache.h"
       
    23 #include "GSWatchDog.h"
       
    24 #include "gsplugininterface.h"
       
    25 #include "GsLogger.h"
       
    26 
       
    27 // Constants
       
    28 const TInt KGSPluginWrapperObjectGranularity = 10;
       
    29 
       
    30 
       
    31 // ================= MEMBER FUNCTIONS =======================
       
    32 
       
    33 // ----------------------------------------------------
       
    34 // CGSBaseDocument::CGSBaseDocument()
       
    35 // constructor
       
    36 //
       
    37 // ----------------------------------------------------
       
    38 //
       
    39 EXPORT_C CGSBaseDocument::CGSBaseDocument( CEikApplication& aApp )
       
    40 :   CAknDocument( aApp ),
       
    41     iUnloadWrapperObjects( KGSPluginWrapperObjectGranularity )
       
    42     {
       
    43     }
       
    44 
       
    45 
       
    46 // ----------------------------------------------------
       
    47 // CGSBaseDocument::~CGSBaseDocument()
       
    48 // destructor
       
    49 //
       
    50 // ----------------------------------------------------
       
    51 //
       
    52 EXPORT_C CGSBaseDocument::~CGSBaseDocument()
       
    53     {
       
    54     // This physically unloads the plugin dlls if their ECOM
       
    55     // reference count is zero. This must be the last thing to
       
    56     // occur to any plugin object (i.e. all of its code must have
       
    57     // finished running by the time this next line takes place).
       
    58     const TInt count = iUnloadWrapperObjects.Count();
       
    59     for( TInt i=count-1; i>=0; i-- )
       
    60         {
       
    61         CGSPluginWrapper* object = iUnloadWrapperObjects[ i ];
       
    62         (void) object;
       
    63         delete object;
       
    64         }
       
    65 
       
    66     iUnloadWrapperObjects.Close();
       
    67     delete iPluginViewIdCache;
       
    68     delete iWatchDog;
       
    69 
       
    70     iImplInfoArray.ResetAndDestroy();// This is needed
       
    71     iImplInfoArray.Close();
       
    72     }
       
    73 
       
    74 
       
    75 // ----------------------------------------------------
       
    76 // CGSBaseDocument::ConstructL()
       
    77 // Symbian OS second phase constructor
       
    78 //
       
    79 // ----------------------------------------------------
       
    80 //
       
    81 EXPORT_C void CGSBaseDocument::ConstructL()
       
    82     {
       
    83     iWatchDog = CGSWatchDog::NewL();
       
    84 
       
    85     REComSession::ListImplementationsL(
       
    86         KGSPluginInterfaceUid,
       
    87         iImplInfoArray );
       
    88 #ifdef _DEBUG
       
    89     PrintImplInfoArray( iImplInfoArray );
       
    90 #endif //_DEBUG
       
    91         
       
    92     __GSLOGSTRING1(
       
    93         "[CGSBaseDocument::ConstructL] iImplInfoArray count:%d",
       
    94         iImplInfoArray.Count() );
       
    95     }
       
    96 
       
    97 
       
    98 // ----------------------------------------------------
       
    99 // CGSBaseDocument::NewPluginUnloadWrapperLC()
       
   100 //
       
   101 //
       
   102 // ----------------------------------------------------
       
   103 //
       
   104 EXPORT_C CGSPluginWrapper* CGSBaseDocument::NewPluginUnloadWrapperLC()
       
   105     {
       
   106     CGSPluginWrapper* wrapper = new(ELeave) CGSPluginWrapper( *this );
       
   107     TCleanupItem wrapperCleanupItem( CleanupPluginWrapperObject, wrapper );
       
   108     CleanupStack::PushL( wrapperCleanupItem );
       
   109     iUnloadWrapperObjects.AppendL( wrapper );
       
   110     //
       
   111     return wrapper;
       
   112     }
       
   113 
       
   114 
       
   115 // ----------------------------------------------------
       
   116 // CGSBaseDocument::PreparePluginCacheL()
       
   117 //
       
   118 //
       
   119 // ----------------------------------------------------
       
   120 //
       
   121 EXPORT_C void CGSBaseDocument::PreparePluginCacheL( CEikAppUi& aAppUi )
       
   122     {
       
   123     iPluginViewIdCache = CGSPluginAndViewIdCache::NewL( aAppUi );
       
   124     }
       
   125 
       
   126 
       
   127 // ----------------------------------------------------
       
   128 // CGSBaseDocument::PrepareForUIDestruction()
       
   129 //
       
   130 //
       
   131 // ----------------------------------------------------
       
   132 //
       
   133 EXPORT_C void CGSBaseDocument::PrepareForUIDestruction()
       
   134     {
       
   135     if  ( iPluginViewIdCache )
       
   136         {
       
   137         iPluginViewIdCache->PrepareForUIDestruction();
       
   138         }
       
   139     }
       
   140 
       
   141 
       
   142 // ----------------------------------------------------
       
   143 // CGSBaseDocument::CleanupPluginWrapperObject()
       
   144 // Cleanup support
       
   145 //
       
   146 // ----------------------------------------------------
       
   147 //
       
   148 void CGSBaseDocument::CleanupPluginWrapperObject( TAny* aWrapper )
       
   149     {
       
   150     CGSPluginWrapper* wrapper =
       
   151         reinterpret_cast< CGSPluginWrapper* >( aWrapper );
       
   152     CGSBaseDocument& document = wrapper->Document();
       
   153     document.DoCleanupPluginWrapper( wrapper );
       
   154     }
       
   155 
       
   156 
       
   157 // ----------------------------------------------------
       
   158 // CGSBaseDocument::DoCleanupPluginWrapper()
       
   159 // Cleanup support - called when loading a plugin fails
       
   160 //
       
   161 // ----------------------------------------------------
       
   162 //
       
   163 void CGSBaseDocument::DoCleanupPluginWrapper( CGSPluginWrapper* aWrapper )
       
   164     {
       
   165     const TInt index = iUnloadWrapperObjects.Find( aWrapper );
       
   166     if  ( index >= 0 && index < iUnloadWrapperObjects.Count() )
       
   167         {
       
   168         iUnloadWrapperObjects.Remove( index );
       
   169         delete aWrapper;
       
   170         }
       
   171     }
       
   172 
       
   173 
       
   174 // ----------------------------------------------------
       
   175 // CGSBaseDocument::PluginViewIdCache()
       
   176 //
       
   177 //
       
   178 // ----------------------------------------------------
       
   179 //
       
   180 CGSPluginAndViewIdCache& CGSBaseDocument::PluginViewIdCache()
       
   181     {
       
   182     ASSERT( iPluginViewIdCache );
       
   183     return *iPluginViewIdCache;
       
   184     }
       
   185 
       
   186 
       
   187 // ----------------------------------------------------
       
   188 // CGSBaseDocument::PluginViewIdCache()
       
   189 //
       
   190 //
       
   191 // ----------------------------------------------------
       
   192 //
       
   193 const CGSPluginAndViewIdCache& CGSBaseDocument::PluginViewIdCache() const
       
   194     {
       
   195     ASSERT( iPluginViewIdCache );
       
   196     return *iPluginViewIdCache;
       
   197     }
       
   198 
       
   199 
       
   200 
       
   201 // ----------------------------------------------------
       
   202 // CGSBaseDocument::WatchDog()
       
   203 //
       
   204 //
       
   205 // ----------------------------------------------------
       
   206 //
       
   207 EXPORT_C MGSWatchDog* CGSBaseDocument::WatchDog()
       
   208     {
       
   209     return iWatchDog;
       
   210     }
       
   211 
       
   212 // ----------------------------------------------------
       
   213 // CGSBaseDocument::GetImplInfos()
       
   214 //
       
   215 //
       
   216 // ----------------------------------------------------
       
   217 //
       
   218 EXPORT_C RImplInfoPtrArray CGSBaseDocument::GetImplInfo()
       
   219     {
       
   220     return iImplInfoArray;
       
   221     }
       
   222 
       
   223 EXPORT_C void CGSBaseDocument::CreateShimmedViewL(const TUid aViewUid)
       
   224 	{
       
   225 	ASSERT(iPluginViewIdCache);
       
   226 	if ( !iPluginViewIdCache->PluginInstance(aViewUid) )
       
   227 		{
       
   228 		iPluginViewIdCache->RegisterViewAndImplementationAssociationL(aViewUid, aViewUid, ETrue);
       
   229 		}
       
   230 	}
       
   231 
       
   232 void CGSBaseDocument::PrintImplInfoArray( const RImplInfoPtrArray& aImplInfoArray )
       
   233     {
       
   234     for( TInt i = 0; i < aImplInfoArray.Count(); i++ )
       
   235         {
       
   236         PrintImplInfo( *aImplInfoArray[ i ] );
       
   237         }
       
   238     }
       
   239 
       
   240 
       
   241 void CGSBaseDocument::PrintImplInfo( const CImplementationInformation& aInfo )
       
   242     {
       
   243     __GSLOGSTRING1( "[CGSBaseDocument] --Plugin 0x%X info--", &aInfo);
       
   244     __GSLOGSTRING1( "[CGSBaseDocument] DisplayName:%S", &aInfo.DisplayName() );
       
   245     __GSLOGSTRING1( "[CGSBaseDocument] ImplementationUid:0x%X",
       
   246                     aInfo.ImplementationUid() );
       
   247 
       
   248     const TInt KMaxEComDataLength = 256;
       
   249 
       
   250     HBufC* dataType = HBufC::New( KMaxEComDataLength );
       
   251     HBufC* opaqueData = HBufC::New( KMaxEComDataLength );
       
   252 
       
   253     dataType->Des().Copy( aInfo.DataType() );
       
   254     opaqueData->Des().Copy( aInfo.OpaqueData() );
       
   255     __GSLOGSTRING1( "[CGSBaseDocument] DataType:%S", dataType );
       
   256     __GSLOGSTRING1( "[CGSBaseDocument] OpaqueData:%S", opaqueData );
       
   257 
       
   258     delete opaqueData;
       
   259     delete dataType;
       
   260     }
       
   261 
       
   262 
       
   263 
       
   264 // End of File