--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browserui/browser/FavouritesInc/CommandVisibility.h	Mon Mar 30 12:49:49 2009 +0300
@@ -0,0 +1,127 @@
+/*
+* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "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: 
+*      Declaration of class TCmdVisibility.
+*      
+*
+*/
+
+
+#ifndef COMMAND_VISIBILITY_H
+#define COMMAND_VISIBILITY_H
+
+// INCLUDE FILES
+
+#include <e32base.h>
+
+// FORWARD DECLARATION
+
+struct TBrowserFavouritesSelectionState;
+
+// CLASS DECLARATION
+
+/**
+* Visibility info on one menu command. Unfortunately this cannot be put into
+* a class, since it is initialized statically. Commands of menu panes are
+* put into TCommandVisibilityMap-s (an array of TCommandVisibilityInfo).
+* One TCommandVisibilityInfo contains the following information:
+* 0. TInt The command.
+* 1-5. Visibility under different selection conditions.
+* TCommandVisibility::TIndex is used to index into the array.
+*/
+typedef const TInt TCommandVisibilityInfo[6];
+
+/**
+* Variable length array of TCommandVisibilityInfo (i.e. commands and their
+* visibility); the array is terminated with -1. This array is handled by
+* TCommandVisibility.
+*/
+typedef const TCommandVisibilityInfo* TCommandVisibilityMap;
+
+/*
+* This struct provides a way to initialize menu panes with using visibility
+* info arrays.
+*/
+class TCommandVisibility
+    {
+    public:     // types
+
+        /*
+        * Indexes into the visibility info.
+        */
+        enum TIndex
+            {
+            ECommand = 0,   ///<      The command.
+            ENothing,       ///< (0)  Visibility (nothing is selected).
+            EOneItem,       ///< (1i) Visibility (one item is selected).
+            EOneFolder,     ///< (1f) Visibility (one folder is selected).
+            EMoreItems,     ///< (*i) Visibility (more selected no folders).
+            EItemsFolders,  ///< (*)  Visibility (more selected, incl folders).
+            EInvalid = -1   ///<      Unused (sanity checking).
+            };
+
+    public:     // new methods
+
+        /**
+        * Apply visibility to this menu pane (dim commands).
+        * @param aMenuPane Menu pane to dim.
+        * @param aCommandInfo Command visibility info to apply.
+        * @param aIndex Index to use.
+        */
+        static void Apply
+            (
+            CEikMenuPane* aMenuPane,
+            TCommandVisibilityMap aCommandInfo,
+            TIndex aIndex
+            );
+
+        /**
+        * Checks whether the menu item can be shown. As this method does not
+        * get any menu panes, it will not dim menu items.
+        * @param aCommandInfo Command visibility info to apply.
+        * @param aIndex Index to use.
+        * @return EFalse if the menu item for the appropriate command is not
+        * to be shown. This method returns EFalse otherwise.
+        */
+        static TBool Apply
+            (
+            const TCommandVisibilityInfo& aCommandInfo,
+            TIndex aIndex
+            );
+
+        /**
+        * Calculate index into the visibility info, based on selection state.
+        * @param aSelectionState Selection state.
+        * @param aMarkedOnly If ETrue, consider only marked items.
+        * @return The index.
+        */
+        static TIndex Index
+            (
+            const TBrowserFavouritesSelectionState& aSelectionState,
+            TBool aMarkedOnly
+            );
+    };
+
+
+// CONSTANTS
+
+// Controlling the visibility.
+#define SHOW ETrue      ///< Show this command (do not dim).
+#define DIM EFalse      ///< Dim this command.
+#define CUSTOM ETrue    ///< Custom handling (for the moment, do not dim).
+#define VOID ETrue      ///< Never evaluated.
+
+#endif
+
+// End of file