--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ui/uiengine/medialists/src/glxstaticitemlist.cpp Fri Mar 19 09:28:59 2010 +0200
@@ -0,0 +1,742 @@
+/*
+* Copyright (c) 2008-2009 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: List of media items
+*
+*/
+
+
+
+
+// my include
+#include "glxstaticitemlist.h"
+
+// system includes
+#include <glxassert.h>
+#include <glxtracer.h>
+
+// user includes
+#include "glxitemlist.h"
+#include "glxmediastaticitemdefs.h"
+
+using namespace NGlxListDefs;
+
+
+// -----------------------------------------------------------------------------
+// Destructor
+// -----------------------------------------------------------------------------
+//
+CGlxStaticItemList::RStaticMediaArray::~RStaticMediaArray()
+ {
+ TRACER( "CGlxStaticItemList::RStaticMediaArray::~RStaticMediaArray" );
+
+ // delete owned static items
+ TInt count = Count();
+ for ( TInt i = 0 ; i < count; i++ )
+ {
+ Delete( i );
+ }
+ Close();
+ }
+
+// -----------------------------------------------------------------------------
+// Delete item at index
+// -----------------------------------------------------------------------------
+void CGlxStaticItemList::RStaticMediaArray::Delete( TInt aIndex )
+ {
+ TRACER( "CGlxStaticItemList::RStaticMediaArray::Delete" );
+
+ delete ( (*this)[ aIndex ] ).Properties();
+ }
+
+// -----------------------------------------------------------------------------
+// CGlxStaticItemList class implementation
+// -----------------------------------------------------------------------------
+
+// -----------------------------------------------------------------------------
+// Two-phase constructor
+// -----------------------------------------------------------------------------
+//
+CGlxStaticItemList* CGlxStaticItemList::NewL( const TGlxIdSpaceId& aIdSpaceId,
+ MGlxItemListObserver& aObserver, MGlxMediaUser& aMediaUser )
+ {
+ TRACER( "CGlxStaticItemList::NewL");
+ CGlxStaticItemList* self = new (ELeave) CGlxStaticItemList( aObserver );
+ CleanupStack::PushL( self );
+ self->ConstructL( aIdSpaceId, aMediaUser );
+ CleanupStack::Pop( self );
+ return self;
+ }
+
+// -----------------------------------------------------------------------------
+// Constructor
+// -----------------------------------------------------------------------------
+//
+CGlxStaticItemList::CGlxStaticItemList( MGlxItemListObserver& aObserver )
+ : iObserver( aObserver )
+ {
+ TRACER( "CGlxStaticItemList::CGlxStaticItemList" );
+
+ // Enable static items by default
+ iStaticItemsEnabled = ETrue;
+ }
+
+// -----------------------------------------------------------------------------
+// Second-phase constructor
+// -----------------------------------------------------------------------------
+//
+void CGlxStaticItemList::ConstructL( const TGlxIdSpaceId& aIdSpaceId,
+ MGlxMediaUser& aMediaUser )
+ {
+ TRACER( "CGlxStaticItemList::ConstructL" );
+
+ iItemList = CGlxItemList::NewL( aIdSpaceId, *this, aMediaUser );
+ __TEST_INVARIANT;
+ }
+
+// -----------------------------------------------------------------------------
+// Destructor
+// -----------------------------------------------------------------------------
+//
+CGlxStaticItemList::~CGlxStaticItemList()
+ {
+ TRACER( "CGlxStaticItemList::~CGlxStaticItemList" );
+
+ delete iItemList;
+ // iFrontStaticItems and iRearStaticItems have a destructor that closes them
+ }
+
+// -----------------------------------------------------------------------------
+// return id space id
+// -----------------------------------------------------------------------------
+//
+const TGlxIdSpaceId& CGlxStaticItemList::IdSpaceId() const
+ {
+ TRACER( "CGlxStaticItemList::IdSpaceId");
+ return iItemList->IdSpaceId();
+ }
+
+// -----------------------------------------------------------------------------
+// Synchronise contents of the list with the collection path
+// -----------------------------------------------------------------------------
+//
+void CGlxStaticItemList::SetContentsL( const CMPXCollectionPath& aPath,
+ const MGlxMediaPool& aMediaPool )
+ {
+ TRACER( "CGlxStaticItemList::SetContentsL" );
+
+ __TEST_INVARIANT;
+ iItemList->SetContentsL( aPath, aMediaPool );
+ __TEST_INVARIANT;
+ }
+
+// -----------------------------------------------------------------------------
+// Remove an item form the list
+// -----------------------------------------------------------------------------
+//
+void CGlxStaticItemList::Remove( const TGlxIdSpaceId& aIdSpaceId,
+ const TGlxMediaId& aItemId )
+ {
+ TRACER( "CGlxStaticItemList::Remove" );
+
+ __TEST_INVARIANT;
+
+ if ( aIdSpaceId == KGlxStaticItemIdSpaceId )
+ {
+ DeleteStaticItem( aItemId );
+ }
+ else
+ {
+ iItemList->Remove( aIdSpaceId, aItemId );
+ }
+
+ __TEST_INVARIANT;
+ }
+
+// -----------------------------------------------------------------------------
+// Remove any pointers to the media object at the specified index
+// -----------------------------------------------------------------------------
+//
+void CGlxStaticItemList::RemoveReference( TInt aIndex )
+ {
+ TRACER( "CGlxStaticItemList::RemoveReference" );
+
+ __ASSERT_DEBUG( aIndex >= iCountCurrentFrontStatic &&
+ aIndex < iCountCurrentFrontStatic + CountNonStatic(),
+ Panic( EGlxPanicIllegalArgument ) );
+
+ return iItemList->RemoveReference( aIndex - iCountCurrentFrontStatic );
+ }
+
+// -----------------------------------------------------------------------------
+// Add a static item
+// -----------------------------------------------------------------------------
+//
+void CGlxStaticItemList::AddStaticItemL( CGlxMedia* aStaticItem,
+ TInsertionPosition aTargetPosition )
+ {
+ TRACER( "CGlxStaticItemList::AddStaticItemL" );
+ __TEST_INVARIANT;
+
+ if ( !aStaticItem )
+ {
+ GLX_LOG_WARNING( "Supplied static item is null" );
+ return;
+ }
+
+ __ASSERT_DEBUG( aStaticItem->Id() != KGlxIdNone, Panic( EGlxPanicIllegalArgument ) ); // Must have an id defined,
+
+ // Since ownership is given, it is assumed that this function is free to
+ // modify the static item
+ SetupStaticItemL( *aStaticItem );
+
+ // make reservations to arrays so that the object supplied as parameter
+ // can be safely modified. Assumption is that client has pushed aStaticItem
+ // to cleanup stack.
+ // for simplicity, reserve in both static arrays, although only one is needed
+ iRearStaticItems.ReserveL( iRearStaticItems.Count() + 1 ); // Space for one new item
+ iFrontStaticItems.ReserveL( iFrontStaticItems.Count() + 1 ); // Space for one new item
+
+ // try to replace existing static item with the same id, if any
+ // TryReplaceStaticItem only replaces the item if the item exists
+ // in the same position (list beginning/end) as the new one
+ if ( !TryReplaceStaticItem( *aStaticItem, aTargetPosition ) )
+ {
+ // TryReplaceStaticItem will fail if the item already exists, but in the
+ // other end of the list (aTargetPosition). Therefore, need to try to
+ // delete the static item, if any.
+ // this call notifies the observer of item being removed
+ DeleteStaticItem( aStaticItem->Id() );
+
+ // add the item to static item list, notified observer if
+ // static items currently active
+ AddStaticItem( *aStaticItem, aTargetPosition );
+ }
+
+ __TEST_INVARIANT;
+ }
+
+// -----------------------------------------------------------------------------
+// Try to replace and existing static item
+// inline private member function only in cpp file, so will be inlined in arm
+// (ok as long as called only once)
+// -----------------------------------------------------------------------------
+//
+inline TBool CGlxStaticItemList::TryReplaceStaticItem( CGlxMedia& aStaticItem,
+ TInsertionPosition aTargetPosition )
+ {
+ TRACER( "CGlxStaticItemList::TryReplaceStaticItem" );
+
+ GLX_ASSERT_DEBUG(aTargetPosition == EInsertFirst || aTargetPosition == EInsertLast, Panic(EGlxPanicLogicError), "Unknown static item target position");
+
+ if (aTargetPosition == EInsertFirst)
+ {
+ return TryReplaceStaticItem( aStaticItem, iFrontStaticItems );
+ }
+ else
+ {
+ return TryReplaceStaticItem( aStaticItem, iRearStaticItems );
+ }
+ }
+
+// -----------------------------------------------------------------------------
+// Try to replace and existing static item
+// -----------------------------------------------------------------------------
+//
+TBool CGlxStaticItemList::TryReplaceStaticItem( CGlxMedia& aStaticItem,
+ RStaticMediaArray& aStaticItemArray )
+ {
+ TRACER( "CGlxStaticItemList::TryReplaceStaticItem");
+
+ // try to find a static item with the same id in the array.
+ // if found, replace the original static item with the new one
+ TInt index = Index( aStaticItem.Id(), aStaticItemArray );
+ if ( KErrNotFound != index )
+ {
+ // delete old static itemm does not remove space from array
+ aStaticItemArray.Delete( index );
+ // take ownership of the static item
+ aStaticItemArray[ index ] = TGlxMedia( aStaticItem );
+
+ GLX_LOG_INFO( "Existing static item replaced" );
+ return ETrue; // replaced
+ }
+
+ return EFalse; // not replaced
+ }
+
+// -----------------------------------------------------------------------------
+// Remove static item
+// -----------------------------------------------------------------------------
+//
+void CGlxStaticItemList::DeleteStaticItem( const TGlxMediaId& aId )
+ {
+ TRACER( "CGlxStaticItemList::DeleteStaticItem");
+
+ // blindly try both arrays, does nothing if item not found
+ DeleteStaticItem( aId, iFrontStaticItems, 0,
+ iCountCurrentFrontStatic );
+ DeleteStaticItem( aId, iRearStaticItems, FirstPostStaticIndex(),
+ iCountCurrentRearStatic );
+ }
+
+// -----------------------------------------------------------------------------
+// Remove static item
+// -----------------------------------------------------------------------------
+//
+void CGlxStaticItemList::DeleteStaticItem( const TGlxMediaId& aId,
+ RStaticMediaArray& aStaticItemArray, TInt aArrayOffset,
+ TInt& aCountCurrentStatic )
+ {
+ TRACER( "CGlxStaticItemList::DeleteStaticItem");
+
+ TInt index = Index( aId, aStaticItemArray );
+ if ( KErrNotFound != index )
+ {
+ // delete old static item, does not remove space from array
+ aStaticItemArray.Delete( index );
+
+ // remove item from array
+ aStaticItemArray.Remove( index );
+
+ if ( iStaticItemsEnabled )
+ {
+ // Remove from static item count
+ aCountCurrentStatic--;
+ // notify observer
+ iObserver.HandleItemsRemoved( index + aArrayOffset, 1 );
+ }
+ }
+ }
+
+// -----------------------------------------------------------------------------
+// Add a static item
+// -----------------------------------------------------------------------------
+//
+void CGlxStaticItemList::AddStaticItem( CGlxMedia& aStaticItem,
+ NGlxListDefs::TInsertionPosition aTargetPosition )
+ {
+ TRACER( "CGlxStaticItemList::AddStaticItem");
+
+ // add the item to static item list, notified observer if
+ // static items currently active
+ if ( EInsertFirst == aTargetPosition )
+ {
+ AddFrontStaticItem( aStaticItem );
+ }
+ else
+ {
+ AddRearStaticItem( aStaticItem );
+ }
+ }
+
+// -----------------------------------------------------------------------------
+// Add static item to the front of the list
+// inline private member function only in cpp file, so will be inlined in arm
+// (ok as long as called only once)
+// -----------------------------------------------------------------------------
+//
+inline void CGlxStaticItemList::AddFrontStaticItem( CGlxMedia& aStaticItem )
+ {
+ TRACER( "CGlxStaticItemList::AddFrontStaticItem");
+
+ // Add to the beginning of front static item array
+ iFrontStaticItems.Insert( TGlxMedia( aStaticItem ), 0 );
+ // ignore return value, since assumes reservation was made to the array
+ // prior to calling this function, i.e. cannot fail
+
+ // if static items are currently enabled, add item to the main item list
+ if ( iStaticItemsEnabled )
+ {
+ iCountCurrentFrontStatic++;
+
+ // notify of item being added
+ iObserver.HandleItemsAdded( 0, 1 );
+ }
+ }
+
+// -----------------------------------------------------------------------------
+// Add static item to the front of the end of the list
+// inline private member function only in cpp file, so will be inlined in arm
+// (ok as long as called only once)
+// -----------------------------------------------------------------------------
+//
+inline void CGlxStaticItemList::AddRearStaticItem( CGlxMedia& aStaticItem )
+ {
+ TRACER( "CGlxStaticItemList::AddRearStaticItem");
+
+ // Add to the end of rear static item array
+ iRearStaticItems.Append( TGlxMedia( aStaticItem ) );
+ // ignore return value, since assumes reservation was made to the array
+ // prior to calling this function, i.e. cannot fail
+
+ // if static items are currently enabled, add item to the main item list
+ if ( iStaticItemsEnabled )
+ {
+ iCountCurrentRearStatic++;
+
+ // notify of item being added
+ TInt addIndex = CountAll() - 1;
+ iObserver.HandleItemsAdded( addIndex, 1 );
+ }
+ }
+
+// -----------------------------------------------------------------------------
+// Make static item ready to be added to the list
+// inline private member function only in cpp file, so will be inlined in arm
+// (ok as long as called only once)
+// -----------------------------------------------------------------------------
+//
+inline void CGlxStaticItemList::SetupStaticItemL( CGlxMedia& aStaticItem )
+ {
+ TRACER( "CGlxStaticItemList::SetupStaticItemL");
+
+ // add static attribute, so that can later check if this item is static
+ aStaticItem.SetTObjectValueL<TBool>( KGlxMediaStaticItem, ETrue );
+
+ // set media category attribute to "command", unless already defined by client
+ if( !aStaticItem.IsSupported( KMPXMediaGeneralCategory ) )
+ {
+ aStaticItem.SetTObjectValueL( KMPXMediaGeneralCategory, EMPXCommand );
+ }
+ }
+
+// -----------------------------------------------------------------------------
+// return ETrue if static items are enabled
+// -----------------------------------------------------------------------------
+//
+TBool CGlxStaticItemList::IsStaticItemsEnabled() const
+ {
+ TRACER( "CGlxStaticItemList::IsStaticItemsEnabled");
+
+ return iStaticItemsEnabled;
+ }
+
+// -----------------------------------------------------------------------------
+// Enable/disable static items
+// -----------------------------------------------------------------------------
+//
+void CGlxStaticItemList::SetStaticItemsEnabled( TBool aEnabled )
+ {
+ TRACER( "CGlxStaticItemList::SetStaticItemsEnabled");
+ GLX_LOG_INFO1( "CGlxStaticItemList::SetStaticItemsEnabled: %b", aEnabled );
+ __TEST_INVARIANT;
+
+ iStaticItemsEnabled = aEnabled;
+ if ( aEnabled )
+ {
+ EnableFrontStaticItems();
+ EnableRearStaticItems();
+ }
+ else
+ {
+ DisableFrontStaticItems();
+ DisableRearStaticItems();
+ }
+
+ __TEST_INVARIANT;
+ }
+
+// -----------------------------------------------------------------------------
+// Enable front static items
+// inline private member function only in cpp file, so will be inlined in arm
+// (ok as long as called only once)
+// -----------------------------------------------------------------------------
+//
+inline void CGlxStaticItemList::EnableFrontStaticItems()
+ {
+ TRACER( "CGlxStaticItemList::EnableFrontStaticItems");
+
+ // Notify only if current static item count is zero and there is more than
+ // one fron static item
+ if ( iCountCurrentFrontStatic < iFrontStaticItems.Count() )
+ {
+ // Add front items and notify observer
+ iCountCurrentFrontStatic = iFrontStaticItems.Count();
+ iObserver.HandleItemsAdded( 0, iCountCurrentFrontStatic );
+ }
+ }
+
+// -----------------------------------------------------------------------------
+// Enable rear static items
+// inline private member function only in cpp file, so will be inlined in arm
+// (ok as long as called only once)
+// -----------------------------------------------------------------------------
+//
+inline void CGlxStaticItemList::EnableRearStaticItems()
+ {
+ TRACER( "CGlxStaticItemList::EnableRearStaticItems");
+
+ // Notify only if current static item count is zero and there is more than
+ // one fron static item
+ if ( iCountCurrentRearStatic < iRearStaticItems.Count() )
+ {
+ // Add rear items and notify observer
+ iCountCurrentRearStatic = iRearStaticItems.Count();
+ iObserver.HandleItemsAdded( FirstPostStaticIndex(),
+ iCountCurrentRearStatic );
+ }
+ }
+
+// -----------------------------------------------------------------------------
+// Disable static items from the front
+// inline private member function only in cpp file, so will be inlined in arm
+// (ok as long as called only once)
+// -----------------------------------------------------------------------------
+//
+inline void CGlxStaticItemList::DisableFrontStaticItems()
+ {
+ TRACER( "CGlxStaticItemList::DisableFrontStaticItems");
+
+ // Remove static items from front
+ if ( iCountCurrentFrontStatic > 0 )
+ {
+ TInt removedCount = iCountCurrentFrontStatic;
+ iCountCurrentFrontStatic = 0;
+
+ // Notify observer
+ iObserver.HandleItemsRemoved( 0, removedCount );
+ }
+ }
+
+// -----------------------------------------------------------------------------
+// Enable static items from the front
+// inline private member function only in cpp file, so will be inlined in arm
+// (ok as long as called only once)
+// -----------------------------------------------------------------------------
+//
+inline void CGlxStaticItemList::DisableRearStaticItems()
+ {
+ TRACER( "CGlxStaticItemList::DisableRearStaticItems");
+
+ // Remove static items from rear
+ if ( iCountCurrentRearStatic > 0 )
+ {
+ TInt removedCount = iCountCurrentRearStatic;
+ iCountCurrentRearStatic = 0;
+
+ // Notify observer
+ iObserver.HandleItemsRemoved( FirstPostStaticIndex(), removedCount );
+ }
+ }
+
+// -----------------------------------------------------------------------------
+// Return count
+// -----------------------------------------------------------------------------
+//
+TInt CGlxStaticItemList::Count( NGlxListDefs::TCountType aType ) const
+ {
+ TRACER( "CGlxStaticItemList::Count");
+
+ switch ( aType )
+ {
+ case ECountAllStatic:
+ return CountStatic();
+
+ case ECountPreStatic:
+ return iCountCurrentFrontStatic;
+
+ case ECountPostStatic:
+ return iCountCurrentRearStatic;
+
+ case ECountNonStatic:
+ return CountNonStatic();
+
+ default:
+ GLX_LOG_WARNING( "Unsupported count type" );
+ // Fall through, and return all count as default
+ case ECountAll:
+ return CountAll();
+ }
+ }
+
+// -----------------------------------------------------------------------------
+// Return count of all items
+// inline private member function only in cpp file, so will be inlined in arm
+// -----------------------------------------------------------------------------
+//
+inline TInt CGlxStaticItemList::CountStatic() const
+ {
+ TRACER( "CGlxStaticItemList::CountStatic");
+
+ return iCountCurrentFrontStatic + iCountCurrentRearStatic;
+ }
+
+// -----------------------------------------------------------------------------
+// Return count of non-static items
+// inline private member function only in cpp file, so will be inlined in arm
+// -----------------------------------------------------------------------------
+//
+inline TInt CGlxStaticItemList::CountNonStatic() const
+ {
+ TRACER( "CGlxStaticItemList::CountNonStatic");
+
+ return iItemList->Count();
+ }
+
+// -----------------------------------------------------------------------------
+// Return count of all items
+// inline private member function only in cpp file, so will be inlined in arm
+// -----------------------------------------------------------------------------
+//
+inline TInt CGlxStaticItemList::CountAll() const
+ {
+ TRACER( "CGlxStaticItemList::CountAll");
+
+ return iCountCurrentFrontStatic + iItemList->Count() + iCountCurrentRearStatic;
+ }
+
+// -----------------------------------------------------------------------------
+// Index of the first post static item
+// -----------------------------------------------------------------------------
+//
+TInt CGlxStaticItemList::FirstPostStaticIndex() const
+ {
+ TRACER( "CGlxStaticItemList::FirstPostStaticIndex");
+
+ return iCountCurrentFrontStatic + iItemList->Count();
+ }
+
+// -----------------------------------------------------------------------------
+// Return item by index
+// -----------------------------------------------------------------------------
+//
+TGlxMedia& CGlxStaticItemList::Item( TInt aIndex )
+ {
+ TRACER( "CGlxStaticItemList::Item");
+
+ // test if a front static index
+ if ( aIndex < iCountCurrentFrontStatic )
+ {
+ return iFrontStaticItems[ aIndex ];
+ }
+
+ // test if normal index
+ if ( aIndex < iCountCurrentFrontStatic + CountNonStatic() )
+ {
+ return iItemList->Item( aIndex - iCountCurrentFrontStatic );
+ }
+
+ // must be a rear static index
+ return iRearStaticItems[ aIndex - iCountCurrentFrontStatic - CountNonStatic() ];
+ }
+
+// -----------------------------------------------------------------------------
+// Return index by id
+// -----------------------------------------------------------------------------
+//
+TInt CGlxStaticItemList::Index( const TGlxIdSpaceId& aIdSpaceId,
+ const TGlxMediaId& aId ) const
+ {
+ TRACER( "CGlxStaticItemList::Index");
+
+ if ( KGlxStaticItemIdSpaceId == aIdSpaceId.Value() )
+ {
+ // try to find from front static items; may return KErrNotFound
+ TInt index = Index( aId, iFrontStaticItems );
+ if ( KErrNotFound != index )
+ {
+ return index;
+ }
+
+ // Try rear static items
+ index = Index( aId, iRearStaticItems );
+ if ( KErrNotFound != index )
+ {
+ return index + FirstPostStaticIndex();
+ }
+ }
+ else
+ {
+ // Look at the main list first (most likely case)
+ TInt index = iItemList->Index( aIdSpaceId, aId );
+ if ( KErrNotFound != index )
+ {
+ return index + iCountCurrentFrontStatic;
+ }
+ }
+
+ // No such id
+ return KErrNotFound;
+ }
+
+// -----------------------------------------------------------------------------
+// Return index by id
+// -----------------------------------------------------------------------------
+//
+TInt CGlxStaticItemList::Index( const TGlxMediaId& aId,
+ const RStaticMediaArray& aStaticItems ) const
+ {
+ TRACER( "CGlxStaticItemList::Index");
+
+ // set up comparison functor
+ TIdentityRelation< TGlxMedia > match ( &TGlxMedia::MatchById );
+ // create dummy object to compare against
+ // Create to stack directly, CMedia constructor NULLs all member variables
+ TGlxMedia mediaToCompare( aId );
+
+ return aStaticItems.Find( mediaToCompare, match );
+ }
+
+// -----------------------------------------------------------------------------
+// Handle items being added
+// -----------------------------------------------------------------------------
+//
+void CGlxStaticItemList::HandleItemsAdded( TInt aFirstInsertedIndex,
+ TInt aCount )
+ {
+ TRACER( "CGlxStaticItemList::HandleItemsAdded");
+
+ // there may be static items at the front of the list, so adjust and forward
+ // to observer
+ iObserver.HandleItemsAdded( aFirstInsertedIndex + iCountCurrentFrontStatic,
+ aCount );
+ }
+
+// -----------------------------------------------------------------------------
+// Handle items being removed
+// -----------------------------------------------------------------------------
+//
+void CGlxStaticItemList::HandleItemsRemoved( TInt aRemovedFromIndex, TInt aCount )
+ {
+ TRACER( "CGlxStaticItemList::HandleItemsRemoved");
+
+ // there may be static items at the front of the list, so adjust and forward
+ // to observer
+ iObserver.HandleItemsRemoved( aRemovedFromIndex + iCountCurrentFrontStatic,
+ aCount );
+ }
+
+// ---------------------------------------------------------------------------
+// Test invariant
+// ---------------------------------------------------------------------------
+void CGlxStaticItemList::__DbgTestInvariant() const
+ {
+ TRACER( "CGlxStaticItemList::__DbgTestInvariant");
+
+ #ifdef _DEBUG
+
+ __ASSERT_DEBUG( &iObserver, Panic( EGlxPanicIllegalState ) ); // Null observer
+ __ASSERT_DEBUG( iItemList, Panic( EGlxPanicIllegalState ) ); // No list
+
+ // Make sure static item counts are zero when static items are disabled
+ __ASSERT_DEBUG( ( iCountCurrentFrontStatic == 0 && iCountCurrentRearStatic == 0 )
+ || iStaticItemsEnabled, Panic( EGlxPanicIllegalState ) ); // No list
+
+ // Make sure static item counts are match array counts when static items are enabled
+ __ASSERT_DEBUG( ( iCountCurrentFrontStatic == iFrontStaticItems.Count()
+ && iCountCurrentRearStatic == iRearStaticItems.Count() )
+ || !iStaticItemsEnabled, Panic( EGlxPanicIllegalState ) ); // No list
+
+ #endif // _DEBUG
+ }