diff -r 666f914201fb -r 2fe1408b6811 epoc32/include/hlpzoom.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/epoc32/include/hlpzoom.h Tue Mar 16 16:12:26 2010 +0000 @@ -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 the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members +// which accompanies this distribution, and is available +// at the URL "http://www.symbianfoundation.org/legal/licencesv10.html". +// +// Initial Contributors: +// Nokia Corporation - initial contribution. +// +// Contributors: +// +// Description: +// + +#ifndef __HLPZOOM_H__ +#define __HLPZOOM_H__ + +// System includes +#include + +// 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