landmarksui/uicontrols/src/CLmkSelectorCache.cpp
branchRCL_3
changeset 17 1fc85118c3ae
parent 16 8173571d354e
child 18 870918037e16
--- a/landmarksui/uicontrols/src/CLmkSelectorCache.cpp	Thu Aug 19 09:48:36 2010 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,188 +0,0 @@
-/*
-* Copyright (c) 2002 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:    LandmarksUi Content File -
-*
-*/
-
-
-
-
-
-
-
-
-// INCLUDE FILES
-#include "CLmkSelectorCache.h"
-#include "CLmkUiItemBase.h"
-#include "CLmkListProviderBase.h"
-#include <lmkerrors.h>
-
-
-// CONSTANTS
-/// Unnamed namespace for local definitions
-namespace {
-
-const TInt KMaxCacheArraySize( 10 );
-#if defined(_DEBUG)
-_LIT( KPanicMsg, "CLmkSelectorCache" );
-
-void Panic( TPanicCode aReason )
-    {
-    User::Panic( KPanicMsg, aReason );
-    }
-#endif
-}  // namespace
-
-// ============================ MEMBER FUNCTIONS ===============================
-
-// -----------------------------------------------------------------------------
-// CLmkSelectorCache::CLmkSelectorCache
-// C++ default constructor can NOT contain any code, that
-// might leave.
-// -----------------------------------------------------------------------------
-//
-CLmkSelectorCache::CLmkSelectorCache( CLmkListProviderBase& aListProvider )
-    : iListProvider( aListProvider )
-    {
-    }
-
-// -----------------------------------------------------------------------------
-// CLmkSelectorCache::ConstructL
-// Symbian 2nd phase constructor can leave.
-// -----------------------------------------------------------------------------
-//
-void CLmkSelectorCache::ConstructL()
-    {
-    iListProvider.AddObserverL( *this );
-    }
-
-// -----------------------------------------------------------------------------
-// CLmkSelectorCache::NewL
-// Two-phased constructor.
-// -----------------------------------------------------------------------------
-//
-CLmkSelectorCache* CLmkSelectorCache::NewL(
-    CLmkListProviderBase& aListProvider )
-    {
-    CLmkSelectorCache* self = new( ELeave ) CLmkSelectorCache( aListProvider );
-
-    CleanupStack::PushL( self );
-    self->ConstructL();
-    CleanupStack::Pop();
-
-    return self;
-    }
-
-// ----------------------------------------------------
-// CLmkSelectorCache::~CLmkSelectorCache
-// ----------------------------------------------------
-//
-CLmkSelectorCache::~CLmkSelectorCache()
-    {
-    iListProvider.RemoveObserver(*this);
-    iItemList.ResetAndDestroy();
-    iItemList.Close();
-    }
-
-// -----------------------------------------------------------------------------
-// CLmkSelectorCache::ItemAtL
-// Cache takes the ownership of item, therefore it receives a pointer,
-// but passes a reference to the lb model
-// -----------------------------------------------------------------------------
-//
-CLmkUiItemBase& CLmkSelectorCache::ItemAtL( TInt aIndex )
-    {
-    __ASSERT_DEBUG( aIndex >= 0, Panic( KLmkPanicInvalidIndex ) );
-    TInt count = iItemList.Count();
-    for ( TInt i( 0 ); i < count; ++i )
-        {
-        if ( aIndex == iItemList[i]->iIndex )
-            {
-            CLinkedItem* tmp = iItemList[i];
-            CleanupStack::PushL( tmp );
-            iItemList.Remove( i );
-            User::LeaveIfError( iItemList.Insert( tmp, 0 ) );
-            CleanupStack::Pop( tmp );
-            return *(iItemList[0]->iPtr);
-            }
-        }
-    __ASSERT_DEBUG( iListProvider.ItemCount() > aIndex ,
-                                Panic(KLmkPanicInvalidIndex) );
-    CLinkedItem* tmp = new(ELeave) CLinkedItem();
-    CleanupStack::PushL( tmp );
-    tmp->iIndex = aIndex;
-    tmp->iPtr = iListProvider.ItemAtL( aIndex );
-    User::LeaveIfError( iItemList.Insert( tmp, 0 ) );
-    CleanupStack::Pop(); // tmp
-
-    if ( iItemList.Count() > KMaxCacheArraySize )
-        {
-        delete iItemList[KMaxCacheArraySize];
-        iItemList.Remove( KMaxCacheArraySize );
-        }
-    return *( iItemList[0]->iPtr );
-    }
-
-// -----------------------------------------------------------------------------
-// CLmkSelectorCache::ItemCount
-// ?implementation_description
-// (other items were commented in a header).
-// -----------------------------------------------------------------------------
-//
-TInt CLmkSelectorCache::ItemCount() const
-    {
-    // dummy implementation:
-    return iListProvider.ItemCount();
-    }
-
-// -----------------------------------------------------------------------------
-// CLmkSelectorCache::HandleListProviderEventL
-// ?implementation_description
-// (other items were commented in a header).
-// -----------------------------------------------------------------------------
-//
-void CLmkSelectorCache::HandleListProviderEvent(
-    TLmkListProviderEventType /*aEvent*/ )
-    {
-    iItemList.ResetAndDestroy();
-    }
-
-// ----------------------------------------------------
-// CLmkSelectorCache::HandleListProviderError
-// ----------------------------------------------------
-//
-void CLmkSelectorCache::HandleListProviderError( TInt /*aError*/ )
-    {
-    iItemList.ResetAndDestroy();
-    }
-
-// ----------------------------------------------------
-// CLmkSelectorCache::CLinkedItem
-// ----------------------------------------------------
-//
-CLmkSelectorCache::CLinkedItem::CLinkedItem()
-    {
-    }
-
-// ----------------------------------------------------
-// CLmkSelectorCache::~CLinkedItem
-// ----------------------------------------------------
-//
-CLmkSelectorCache::CLinkedItem::~CLinkedItem()
-    {
-    delete this->iPtr;
-    }
-
-
-//  End of File