--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/taskswitcher/contextengine/tsfswserver/engine/src/tsfswiconcache.cpp	Tue Jan 26 11:48:23 2010 +0200
@@ -0,0 +1,141 @@
+/*
+* Copyright (c) 2008 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:  Icon cache
+ *
+*/
+
+
+#include "tsfswiconcache.h"
+#include <fbs.h>
+#include <AknsUtils.h>
+#include <gulicon.h>
+#include <avkon.mbg>
+
+// size for the created app icons
+const TInt KAppIconWidth = 96;
+const TInt KAppIconHeight = 96;
+
+// --------------------------------------------------------------------------
+// CTsFswIconCache::NewL
+// --------------------------------------------------------------------------
+//
+CTsFswIconCache* CTsFswIconCache::NewL()
+    {
+    CTsFswIconCache* self = new (ELeave) CTsFswIconCache;
+    CleanupStack::PushL (self );
+    self->ConstructL ( );
+    CleanupStack::Pop ( self );
+    return self;
+    }
+
+// --------------------------------------------------------------------------
+// CTsFswIconCache::CTsFswIconCache
+// --------------------------------------------------------------------------
+//
+CTsFswIconCache::CTsFswIconCache()
+    {
+    }
+
+// --------------------------------------------------------------------------
+// CTsFswIconCache::~CTsFswIconCache
+// --------------------------------------------------------------------------
+//
+CTsFswIconCache::~CTsFswIconCache( )
+    {
+    THashMapIter<TInt, STsBitmapPair> iter( iAppIcons );
+    while ( const TInt* key = iter.NextKey() )
+        {
+        STsBitmapPair* value = iter.CurrentValue();
+        delete value->iBitmap;
+        delete value->iMask;
+        }
+    iAppIcons.Close();
+    delete iDefaultIcon;
+    }
+
+// --------------------------------------------------------------------------
+// CTsFswIconCache::ConstructL
+// --------------------------------------------------------------------------
+//
+void CTsFswIconCache::ConstructL()
+    {
+    iDefaultIcon = AknsUtils::CreateGulIconL( 
+        AknsUtils::SkinInstance(),
+        KAknsIIDQgnMenuUnknownCxt,
+        AknIconUtils::AvkonIconFileName(),
+        EMbmAvkonQgn_menu_unknown_cxt,
+        EMbmAvkonQgn_menu_unknown_cxt_mask );
+    TSize sz( KAppIconWidth, KAppIconHeight );
+    AknIconUtils::SetSize( iDefaultIcon->Bitmap(), sz );
+    AknIconUtils::SetSize( iDefaultIcon->Mask(), sz );
+    }
+
+// --------------------------------------------------------------------------
+// CTsFswIconCache::GetAppIconL
+// --------------------------------------------------------------------------
+//
+void CTsFswIconCache::GetAppIconL( const TUid& aAppUid,
+        CFbsBitmap*& aBitmap, CFbsBitmap*& aMask )
+    {
+    aBitmap = aMask = 0;
+    MAknsSkinInstance* skinInstance = AknsUtils::SkinInstance();
+    if ( skinInstance )
+        {
+        AknsUtils::CreateAppIconLC( skinInstance, aAppUid, EAknsAppIconTypeList,
+            aBitmap, aMask );
+        // The CreateAppIconLC method leaves both the bitmaps in the cleanup stack.
+        // The order in which they are pushed into the stack and types of 
+        // the items in the stack are both undefined.
+        CleanupStack::Pop( 2 ); // codescanner::cleanup
+        TSize sz( KAppIconWidth, KAppIconHeight );
+        AknIconUtils::SetSize( aBitmap, sz );
+        AknIconUtils::SetSize( aMask, sz );
+        }
+    }
+
+// --------------------------------------------------------------------------
+// CTsFswIconCache::GetIconL
+// --------------------------------------------------------------------------
+//
+void CTsFswIconCache::GetIconL( const TUid& aAppUid,
+        CFbsBitmap*& aBitmap, CFbsBitmap*& aMask )
+    {
+    aBitmap = aMask = 0;
+    STsBitmapPair* bp = iAppIcons.Find( aAppUid.iUid );
+    if ( bp )
+        {
+        // ownership stays with the hash table
+        aBitmap = bp->iBitmap;
+        aMask = bp->iMask;
+        }
+    else
+        {
+        GetAppIconL( aAppUid, aBitmap, aMask ); // ownership of the bitmap is ours
+        // insert to hash table and pass ownership
+        iAppIcons.InsertL( aAppUid.iUid, STsBitmapPair( aBitmap, aMask ) );
+        }
+    }
+
+// --------------------------------------------------------------------------
+// CTsFswIconCache::DefaultIcon
+// --------------------------------------------------------------------------
+//
+void CTsFswIconCache::DefaultIcon( CFbsBitmap*& aBitmap, CFbsBitmap*& aMask )
+    {
+    aBitmap = iDefaultIcon->Bitmap();
+    aMask = iDefaultIcon->Mask();
+    }
+
+
+// end of file