--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/taskswitcher/contextengine/tsfswserver/engine/inc/tsfswiconcache.h Tue Jan 26 11:48:23 2010 +0200
@@ -0,0 +1,100 @@
+/*
+* 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
+*
+*/
+
+
+#ifndef TSFSWICONCACHE_H_
+#define TSFSWICONCACHE_H_
+
+#include <e32base.h>
+#include <e32hashtab.h>
+
+class CFbsBitmap;
+class CGulIcon;
+
+/**
+ * App icon cache.
+ */
+NONSHARABLE_CLASS( CTsFswIconCache ) : public CBase
+ {
+public:
+
+ /**
+ * Two phased constructor.
+ */
+ static CTsFswIconCache* NewL();
+
+ /**
+ * Two phased constructor.
+ */
+ static CTsFswIconCache* NewLC();
+
+ /**
+ * Destructor
+ */
+ ~CTsFswIconCache();
+
+ /**
+ * Gets the bitmaps associated with the given app from the cache.
+ * If not found then creates the app icon, stores it to the cache,
+ * and returns that.
+ * @param aAppUid application uid
+ * @param aBitmap bitmap ptr, ownership NOT transferred to caller, or NULL
+ * @param aMask mask ptr, ownership NOT transferred to caller, or NULL
+ */
+ void GetIconL( const TUid& aAppUid,
+ CFbsBitmap*& aBitmap, CFbsBitmap*& aMask );
+
+ /**
+ * Sets the ptrs to the default icon.
+ * Ownership not transferred to caller.
+ */
+ void DefaultIcon( CFbsBitmap*& aBitmap, CFbsBitmap*& aMask );
+
+private:
+ /**
+ * Default constructor.
+ */
+ CTsFswIconCache();
+
+ /**
+ * Second phase construction
+ */
+ void ConstructL();
+
+ /**
+ * Retrieves the bitmap/mask for the icon of the given app.
+ * @param aAppUid application uid
+ * @param aBitmap bitmap ptr, ownership transferred to caller, or NULL
+ * @param aMask mask ptr, ownership transferred to caller, or NULL
+ */
+ void GetAppIconL( const TUid& aAppUid,
+ CFbsBitmap*& aBitmap, CFbsBitmap*& aMask );
+
+private:
+ struct STsBitmapPair
+ {
+ STsBitmapPair( CFbsBitmap* aBitmap, CFbsBitmap* aMask )
+ : iBitmap( aBitmap ), iMask( aMask ) { }
+ CFbsBitmap* iBitmap;
+ CFbsBitmap* iMask;
+ };
+ RHashMap<TInt, STsBitmapPair> iAppIcons;
+
+ CGulIcon* iDefaultIcon;
+ };
+
+#endif