--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/taskswitcher/contextengine/hgfswserver/engine/src/hgfswiconcache.cpp	Mon Jan 18 20:10:36 2010 +0200
@@ -0,0 +1,141 @@
+/*
+ * ============================================================================
+ *  Name        : hgfswiconcache.cpp
+ *  Part of     : Hg Teleport
+ *  Description : Icon cache
+ *  Version     : %version: sa1spcx1#5 %
+ *
+ *  Copyright 2008 Nokia.  All rights reserved.
+ *  This material, including documentation and any related computer
+ *  programs, is protected by copyright controlled by Nokia.  All
+ *  rights are reserved.  Copying, including reproducing, storing,
+ *  adapting or translating, any or all of this material requires the
+ *  prior written consent of Nokia.  This material also contains
+ *  confidential information which may not be disclosed to others
+ *  without the prior written consent of Nokia.
+ * ============================================================================
+ */
+
+#include "hgfswiconcache.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;
+
+// --------------------------------------------------------------------------
+// CHgFswIconCache::NewL
+// --------------------------------------------------------------------------
+//
+CHgFswIconCache* CHgFswIconCache::NewL()
+    {
+    CHgFswIconCache* self = new (ELeave) CHgFswIconCache;
+    CleanupStack::PushL (self );
+    self->ConstructL ( );
+    CleanupStack::Pop ( self );
+    return self;
+    }
+
+// --------------------------------------------------------------------------
+// CHgFswIconCache::CHgFswIconCache
+// --------------------------------------------------------------------------
+//
+CHgFswIconCache::CHgFswIconCache()
+    {
+    }
+
+// --------------------------------------------------------------------------
+// CHgFswIconCache::~CHgFswIconCache
+// --------------------------------------------------------------------------
+//
+CHgFswIconCache::~CHgFswIconCache( )
+    {
+    THashMapIter<TInt, SHgBitmapPair> iter( iAppIcons );
+    while ( const TInt* key = iter.NextKey() )
+        {
+        SHgBitmapPair* value = iter.CurrentValue();
+        delete value->iBitmap;
+        delete value->iMask;
+        }
+    iAppIcons.Close();
+    delete iDefaultIcon;
+    }
+
+// --------------------------------------------------------------------------
+// CHgFswIconCache::ConstructL
+// --------------------------------------------------------------------------
+//
+void CHgFswIconCache::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 );
+    }
+
+// --------------------------------------------------------------------------
+// CHgFswIconCache::GetAppIconL
+// --------------------------------------------------------------------------
+//
+void CHgFswIconCache::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 );
+        }
+    }
+
+// --------------------------------------------------------------------------
+// CHgFswIconCache::GetIconL
+// --------------------------------------------------------------------------
+//
+void CHgFswIconCache::GetIconL( const TUid& aAppUid,
+        CFbsBitmap*& aBitmap, CFbsBitmap*& aMask )
+    {
+    aBitmap = aMask = 0;
+    SHgBitmapPair* 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, SHgBitmapPair( aBitmap, aMask ) );
+        }
+    }
+
+// --------------------------------------------------------------------------
+// CHgFswIconCache::DefaultIcon
+// --------------------------------------------------------------------------
+//
+void CHgFswIconCache::DefaultIcon( CFbsBitmap*& aBitmap, CFbsBitmap*& aMask )
+    {
+    aBitmap = iDefaultIcon->Bitmap();
+    aMask = iDefaultIcon->Mask();
+    }
+
+
+// end of file