--- /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