dependencies/AknsPkgID.h
changeset 48 0d4ac38889fc
parent 39 4e8bbb15b77a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dependencies/AknsPkgID.h	Thu Apr 01 14:50:19 2010 +0100
@@ -0,0 +1,158 @@
+/*
+* Copyright (c) 2003 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:  Defines the package ID class used to identify skin packages
+*
+*/
+
+
+#ifndef AKNSPKGID_H
+#define AKNSPKGID_H
+
+//  INCLUDES
+#include <e32std.h>
+#include <e32base.h>
+
+// CONSTANTS
+
+static const TInt KAknsPkgIDDesSize = 23;
+
+// DATA TYPES
+
+typedef TBuf<KAknsPkgIDDesSize> TAknsPkgIDBuf;
+
+// FORWARD DECLARATIONS
+
+// CLASS DECLARATION
+
+/**
+* Package identifier used to identify skin packages. Package ID may be either
+* a UID or a timestamp and random number pair.
+*
+* Note that the class does not define any constructors. This ensures that 
+* @c TAknsPkgID can be used in ROM constants.
+*
+* @lib AknSkinSrv.lib
+*
+* @since 2.0
+*/
+class TAknsPkgID
+    {    
+    public: // New functions
+
+        /**
+        * Sets skin package ID by giving a UID.
+        *
+        * @param aUid New UID to be set as the value of the package ID.
+        */
+        inline void Set( const TUid aUid );
+
+        /**
+        * Sets skin package ID by giving a timestamp and a random number.
+        *
+        * @param aTimestamp Timestamp as an integer. Must be non-zero.
+        *
+        * @param aNumber Random number.
+        */
+        inline void Set( const TInt aTimestamp, const TInt aNumber );
+        
+        /**
+        * Sets skin package ID by an existing package ID.
+        *
+        * @param aID Skin package ID.
+        */
+        inline void Set( const TAknsPkgID& aID );
+
+        /**
+        * Checks whether the skin package ID is a UID.
+        *
+        * @return ETrue if the skin package ID is a UID, EFalse otherwise.
+        */
+        inline TBool IsUid() const;
+
+        /**
+        * Returns the skin package ID as a UID. If the package ID is not a
+        * UID, the result is undefined.
+        *
+        * @return Skin packge ID as a UID.
+        */
+        inline TUid Uid() const;
+
+    public: // New functions - String conversions
+
+        /**
+        * Copies the content of the package ID to the given descriptor.
+        * The size of the descriptor must be at least the size of
+        * @c TAknsPkgIDBuf. Otherwise the method may panic.
+        *
+        * @param aDes Target descriptor.
+        */
+        IMPORT_C void CopyToDes( TDes& aDes ) const;
+
+        /**
+        * Sets the content of the package ID based on the given character
+        * representation. The content of the given descriptor must be
+        * valid (as generated by @c CopyToDes). 
+        *
+        * If the given descriptor doesn't contain a correctly formatted
+        * skin package ID the method leaves and the content of the object
+        * is undefined.
+        *
+        * @param aDes Source descriptor.
+        */
+        IMPORT_C void SetFromDesL( const TDesC& aDes );
+
+    public: // Data
+
+        TInt iNumber;       //!< Number or UID.
+        TInt iTimestamp;    //!< Timestamp (or 0 if UID).
+
+    };
+
+// CONSTANTS (continued)
+
+static const TAknsPkgID KAknsNullPkgID = { 0, 0 };
+
+// FUNCTION PROTOTYPES
+
+/**
+* C++ equal operator.
+* Checks whether two package ID objects have identical content.
+*
+* @param aFirst First object to be compared.
+*
+* @param aSecond Second object to be compared.
+*
+* @return true if objects have identical content, false otherwise.
+*/
+inline TBool operator==( const TAknsPkgID& aFirst, const TAknsPkgID& aSecond );
+
+/**
+* C++ not equal operator.
+* Checks whether two package ID objects have identical content.
+*
+* @param aFirst First object to be compared.
+*
+* @param aSecond Second object to be compared.
+*
+* @return false if objects have identical content, true otherwise.
+*/
+inline TBool operator!=( const TAknsPkgID& aFirst, const TAknsPkgID& aSecond );
+
+// INLINED MEMBERS
+
+#include "AknsPkgID.inl"
+
+#endif // AKNSITEMID_H   
+
+// End of File