--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gssettingsuis/Gs/GSFramework/src/GSBaseDocument.cpp	Wed Sep 01 12:20:44 2010 +0100
@@ -0,0 +1,269 @@
+/*
+* Copyright (c) 2002-2005 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Base Document for the General Settings Application
+*
+*/
+
+#include "GSBaseDocument.h"
+
+// User includes
+#include "GSPluginWrapper.h"
+#include "GSPluginAndViewIdCache.h"
+#include "GSWatchDog.h"
+#include "gsplugininterface.h"
+#include "GsLogger.h"
+
+// Constants
+const TInt KGSPluginWrapperObjectGranularity = 10;
+
+
+// ================= MEMBER FUNCTIONS =======================
+
+// ----------------------------------------------------
+// CGSBaseDocument::CGSBaseDocument()
+// constructor
+//
+// ----------------------------------------------------
+//
+EXPORT_C CGSBaseDocument::CGSBaseDocument( CEikApplication& aApp )
+:   CAknDocument( aApp ),
+    iUnloadWrapperObjects( KGSPluginWrapperObjectGranularity ),
+    iWatchDog ( NULL )
+    {
+    }
+
+
+// ----------------------------------------------------
+// CGSBaseDocument::~CGSBaseDocument()
+// destructor
+//
+// ----------------------------------------------------
+//
+EXPORT_C CGSBaseDocument::~CGSBaseDocument()
+    {
+    // This physically unloads the plugin dlls if their ECOM
+    // reference count is zero. This must be the last thing to
+    // occur to any plugin object (i.e. all of its code must have
+    // finished running by the time this next line takes place).
+    const TInt count = iUnloadWrapperObjects.Count();
+    for( TInt i=count-1; i>=0; i-- )
+        {
+        CGSPluginWrapper* object = iUnloadWrapperObjects[ i ];
+        (void) object;
+        delete object;
+        }
+
+    iUnloadWrapperObjects.Close();
+    delete iPluginViewIdCache;
+#ifdef GS_ENABLE_WATCH_DOG
+    delete iWatchDog;
+#endif
+
+    iImplInfoArray.ResetAndDestroy();// This is needed
+    iImplInfoArray.Close();
+    }
+
+
+// ----------------------------------------------------
+// CGSBaseDocument::ConstructL()
+// Symbian OS second phase constructor
+//
+// ----------------------------------------------------
+//
+EXPORT_C void CGSBaseDocument::ConstructL()
+    {
+#ifdef GS_ENABLE_WATCH_DOG
+    iWatchDog = CGSWatchDog::NewL();
+#endif
+
+    REComSession::ListImplementationsL(
+        KGSPluginInterfaceUid,
+        iImplInfoArray );
+#ifdef _DEBUG
+    PrintImplInfoArray( iImplInfoArray );
+#endif //_DEBUG
+        
+    __GSLOGSTRING1(
+        "[CGSBaseDocument::ConstructL] iImplInfoArray count:%d",
+        iImplInfoArray.Count() );
+    }
+
+
+// ----------------------------------------------------
+// CGSBaseDocument::NewPluginUnloadWrapperLC()
+//
+//
+// ----------------------------------------------------
+//
+EXPORT_C CGSPluginWrapper* CGSBaseDocument::NewPluginUnloadWrapperLC()
+    {
+    CGSPluginWrapper* wrapper = new(ELeave) CGSPluginWrapper( *this );
+    TCleanupItem wrapperCleanupItem( CleanupPluginWrapperObject, wrapper );
+    CleanupStack::PushL( wrapperCleanupItem );
+    iUnloadWrapperObjects.AppendL( wrapper );
+    //
+    return wrapper;
+    }
+
+
+// ----------------------------------------------------
+// CGSBaseDocument::PreparePluginCacheL()
+//
+//
+// ----------------------------------------------------
+//
+EXPORT_C void CGSBaseDocument::PreparePluginCacheL( CEikAppUi& aAppUi )
+    {
+    iPluginViewIdCache = CGSPluginAndViewIdCache::NewL( aAppUi );
+    }
+
+
+// ----------------------------------------------------
+// CGSBaseDocument::PrepareForUIDestruction()
+//
+//
+// ----------------------------------------------------
+//
+EXPORT_C void CGSBaseDocument::PrepareForUIDestruction()
+    {
+    if  ( iPluginViewIdCache )
+        {
+        iPluginViewIdCache->PrepareForUIDestruction();
+        }
+    }
+
+
+// ----------------------------------------------------
+// CGSBaseDocument::CleanupPluginWrapperObject()
+// Cleanup support
+//
+// ----------------------------------------------------
+//
+void CGSBaseDocument::CleanupPluginWrapperObject( TAny* aWrapper )
+    {
+    CGSPluginWrapper* wrapper =
+        reinterpret_cast< CGSPluginWrapper* >( aWrapper );
+    CGSBaseDocument& document = wrapper->Document();
+    document.DoCleanupPluginWrapper( wrapper );
+    }
+
+
+// ----------------------------------------------------
+// CGSBaseDocument::DoCleanupPluginWrapper()
+// Cleanup support - called when loading a plugin fails
+//
+// ----------------------------------------------------
+//
+void CGSBaseDocument::DoCleanupPluginWrapper( CGSPluginWrapper* aWrapper )
+    {
+    const TInt index = iUnloadWrapperObjects.Find( aWrapper );
+    if  ( index >= 0 && index < iUnloadWrapperObjects.Count() )
+        {
+        iUnloadWrapperObjects.Remove( index );
+        delete aWrapper;
+        }
+    }
+
+
+// ----------------------------------------------------
+// CGSBaseDocument::PluginViewIdCache()
+//
+//
+// ----------------------------------------------------
+//
+CGSPluginAndViewIdCache& CGSBaseDocument::PluginViewIdCache()
+    {
+    ASSERT( iPluginViewIdCache );
+    return *iPluginViewIdCache;
+    }
+
+
+// ----------------------------------------------------
+// CGSBaseDocument::PluginViewIdCache()
+//
+//
+// ----------------------------------------------------
+//
+const CGSPluginAndViewIdCache& CGSBaseDocument::PluginViewIdCache() const
+    {
+    ASSERT( iPluginViewIdCache );
+    return *iPluginViewIdCache;
+    }
+
+
+
+// ----------------------------------------------------
+// CGSBaseDocument::WatchDog()
+//
+//
+// ----------------------------------------------------
+//
+EXPORT_C MGSWatchDog* CGSBaseDocument::WatchDog()
+    {
+    return iWatchDog;
+    }
+
+// ----------------------------------------------------
+// CGSBaseDocument::GetImplInfos()
+//
+//
+// ----------------------------------------------------
+//
+EXPORT_C RImplInfoPtrArray CGSBaseDocument::GetImplInfo()
+    {
+    return iImplInfoArray;
+    }
+
+EXPORT_C void CGSBaseDocument::CreateShimmedViewL(const TUid aViewUid)
+	{
+	ASSERT(iPluginViewIdCache);
+	if ( !iPluginViewIdCache->PluginInstance(aViewUid) )
+		{
+		iPluginViewIdCache->RegisterViewAndImplementationAssociationL(aViewUid, aViewUid, ETrue);
+		}
+	}
+
+void CGSBaseDocument::PrintImplInfoArray( const RImplInfoPtrArray& aImplInfoArray )
+    {
+    for( TInt i = 0; i < aImplInfoArray.Count(); i++ )
+        {
+        PrintImplInfo( *aImplInfoArray[ i ] );
+        }
+    }
+
+
+void CGSBaseDocument::PrintImplInfo( const CImplementationInformation& aInfo )
+    {
+    __GSLOGSTRING1( "[CGSBaseDocument] --Plugin 0x%X info--", &aInfo);
+    __GSLOGSTRING1( "[CGSBaseDocument] DisplayName:%S", &aInfo.DisplayName() );
+    __GSLOGSTRING1( "[CGSBaseDocument] ImplementationUid:0x%X",
+                    aInfo.ImplementationUid() );
+
+    const TInt KMaxEComDataLength = 256;
+
+    HBufC* dataType = HBufC::New( KMaxEComDataLength );
+    HBufC* opaqueData = HBufC::New( KMaxEComDataLength );
+
+    dataType->Des().Copy( aInfo.DataType() );
+    opaqueData->Des().Copy( aInfo.OpaqueData() );
+    __GSLOGSTRING1( "[CGSBaseDocument] DataType:%S", dataType );
+    __GSLOGSTRING1( "[CGSBaseDocument] OpaqueData:%S", opaqueData );
+
+    delete opaqueData;
+    delete dataType;
+    }
+
+
+
+// End of File