uifw/EikStd/coctlsrc/aknbitmapresourceitem.cpp
changeset 0 2f259fa3e83a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uifw/EikStd/coctlsrc/aknbitmapresourceitem.cpp	Tue Feb 02 01:00:49 2010 +0200
@@ -0,0 +1,147 @@
+/*
+* Copyright (c) 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:  Bitmap resource item
+*
+*/
+
+
+
+#include <AknUtils.h>
+#include <fbs.h>
+
+#include "aknbitmapresourceitem.h"
+
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// Two-phased constructor.
+// ---------------------------------------------------------------------------
+//
+CAknBitmapResourceItem* CAknBitmapResourceItem::NewL( TInt aId )
+    {
+    CAknBitmapResourceItem* self = 
+        new ( ELeave ) CAknBitmapResourceItem( aId );
+    return self;
+    }
+
+
+// ---------------------------------------------------------------------------
+// Destructor.
+// ---------------------------------------------------------------------------
+//
+CAknBitmapResourceItem::~CAknBitmapResourceItem()
+    {
+    delete iBitmap;
+    delete iBitmapMask;
+    }
+
+
+// ---------------------------------------------------------------------------
+// Used to fetch the bitmaps (resources) this item holds. The ownership of the
+// bitmaps changes with this method call, so caller must take care of 
+// the destruction of the bitmaps.
+// ---------------------------------------------------------------------------
+//
+TBool CAknBitmapResourceItem::GetBitmaps( CFbsBitmap*& aBitmap,
+                                         CFbsBitmap*& aMask )
+    {
+    if ( iBitmap && iBitmapMask )
+        {
+        aBitmap = iBitmap;
+        aMask = iBitmapMask;
+
+        // not owned anymore by this item -> set pointers to null
+        iBitmap = 0;
+        iBitmapMask = 0;
+        return ETrue;
+        }
+    return EFalse;
+    }
+
+
+// ---------------------------------------------------------------------------
+// Sets the bitmaps of this item. The ownership of the parameter bitmaps 
+// does not change with this method call, instead new bitmaps are created with
+// parameter bitmaps handles. So caller must take care of the parameter 
+// bitmaps destruction.
+// ---------------------------------------------------------------------------
+//
+void CAknBitmapResourceItem::SetBitmapsL( CFbsBitmap* aBitmap,
+                                         CFbsBitmap* aMask )
+    {
+    delete iBitmap;
+    delete iBitmapMask;
+    iBitmap = 0;
+    iBitmapMask = 0;
+
+    iBitmap = new ( ELeave ) CFbsBitmap;
+    iBitmap->Duplicate( aBitmap->Handle() );
+    iBitmapMask = new ( ELeave ) CFbsBitmap;
+    iBitmapMask->Duplicate( aMask->Handle() );
+    }
+
+
+// ---------------------------------------------------------------------------
+// Duplicates the item and the resources it holds and 
+// returns the created resource item.
+// ---------------------------------------------------------------------------
+//
+MAknResourceItem* CAknBitmapResourceItem::DuplicateL()
+    {
+    CAknBitmapResourceItem* newItem = CAknBitmapResourceItem::NewL( iId );
+    newItem->SetBitmapsL( iBitmap, iBitmapMask );
+    return newItem;
+    }
+
+
+// ---------------------------------------------------------------------------
+// Returns the resource item id.
+// ---------------------------------------------------------------------------
+//
+TInt CAknBitmapResourceItem::Id() const
+    {
+    return iId;
+    }
+
+
+// ---------------------------------------------------------------------------
+// Returns ETrue if the aType resource change applies to this resource item. 
+// Otherwise EFalse.
+// ----------------------------------------------------------------------------
+//
+TBool CAknBitmapResourceItem::Invalidate( TInt aType )
+    {
+    TBool invalidate = EFalse;
+    switch ( aType )
+        {
+        case KAknsMessageSkinChange:
+        case KEikDynamicLayoutVariantSwitch:
+            invalidate = ETrue;
+            break;
+        default:
+            invalidate = EFalse;
+        }
+    return invalidate;
+    }
+
+
+// ---------------------------------------------------------------------------
+// C++ default constructor can NOT contain any code that might leave.
+// ---------------------------------------------------------------------------
+//
+CAknBitmapResourceItem::CAknBitmapResourceItem( TInt aId ) 
+    : iBitmap( 0 ), iBitmapMask( 0 ), iId( aId )
+    {
+    }