--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/symhelp/helpmodel/inc/HlpZoom.h	Tue Jan 26 15:15:23 2010 +0200
@@ -0,0 +1,83 @@
+// Copyright (c) 2000-2009 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:
+//
+
+#ifndef __HLPZOOM_H__
+#define __HLPZOOM_H__
+
+// System includes
+#include <e32std.h>
+
+// Classes referenced
+class MGraphicsDeviceMap;
+
+
+//
+// ----> MHlpZoomStateManager (header)
+//
+class MHlpZoomStateManager
+/**
+@internalComponent
+@released
+*/
+	{
+public: // Zoom state
+	enum THlpZoomState
+		{
+		EHlpZoomStateSmall = -1,
+		EHlpZoomStateNormal = 0,
+		EHlpZoomStateLarge = 1
+		};
+
+public: // From MHlpZoomStateManager
+	virtual void SetZoomState(THlpZoomState aState) = 0;
+	virtual THlpZoomState ZoomState() const = 0;
+
+public: // From MHlpZoomStateManager
+	virtual MGraphicsDeviceMap& ZoomDeviceMap() const = 0;
+	virtual TInt ZoomFactorValueForZoomState(THlpZoomState aState) const = 0;
+	};
+
+
+
+//
+// ----> MHlpZoomStateObserver (header)
+//
+class MHlpZoomStateObserver
+/**
+@internalComponent
+@released
+*/
+	{
+public: // From MHlpZoomStateObserver
+	virtual void HandleZoomStateChangedL(MHlpZoomStateManager::THlpZoomState aZoomState) = 0;
+	};
+
+
+
+//
+// ----> MHlpZoomStateChangeNotifier (header)
+//
+class MHlpZoomStateChangeNotifier : public MHlpZoomStateManager
+/**
+@internalComponent
+@released
+*/
+	{
+public: // From MHlpZoomStateChangeNotifier
+	virtual void RegisterForZoomStateChangeNotificationsL(MHlpZoomStateObserver& aObserver) = 0;
+	virtual void RegisterForZoomStateChangeNotificationsCancel(MHlpZoomStateObserver& aObserver) = 0;
+	};
+
+#endif