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// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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#ifndef __SCENECHECKER_H__
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#define __SCENECHECKER_H__
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#include <graphics/wsscene.h>
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#include <graphics/wsgraphicdrawer.h>
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class CSceneChecker : public CBase,
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public MWsScene,
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public MWsWindowTreeObserver
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{
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public:
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static CSceneChecker* NewL(MWsGraphicDrawerEnvironment& aEnv, MWsScreen& aScreen);
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~CSceneChecker();
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void SetScene(MWsScene* aScene);
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void OnEnd();
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public: // from MWsScene
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TAny* ResolveObjectInterface(TUint aTypeId);
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TInt SetSceneRotation(TSceneRotation aRotation);
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TSceneRotation SceneRotation() const;
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MWsElement* CreateSceneElementL();
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void DestroySceneElement(MWsElement* aLayer);
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void ComposePendingScene(TSurfaceId& aOffScreenTarget, TRequestStatus* aCompleted);
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TInt InsertSceneElement(MWsElement* aInsertElement, MWsElement* aSubordinateElement);
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TInt RemoveSceneElement(MWsElement* aRemoveElement);
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TInt RegisterSurface(const TSurfaceId& aSurface);
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TInt UnregisterSurface(const TSurfaceId& aSurface);
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public: // from MWsWindowTreeObserver
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void NodeCreated(const MWsWindowTreeNode& aWindowTreeNode, MWsWindowTreeNode const* aParent);
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void NodeReleased(const MWsWindowTreeNode& aWindowTreeNode);
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void NodeActivated(const MWsWindowTreeNode& aWindowTreeNode);
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void NodeExtentChanged(const MWsWindowTreeNode& aWindowTreeNode, const TRect& aRect);
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void SiblingOrderChanged(const MWsWindowTreeNode& aWindowTreeNode, TInt aNewPosition);
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void MovedToWindowGroup(const MWsWindowTreeNode& aWindowTreeNode, const MWsWindowTreeNode& aNewWindowGroup);
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void FlagChanged(const MWsWindowTreeNode& aWindowTreeNode, MWsWindowTreeObserver::TFlags aAttribute, TBool aNewValue);
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void AttributeChanged(const MWsWindowTreeNode& aWindowTreeNode, MWsWindowTreeObserver::TAttributes aAttribute);
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void TransparentRegionChanged(const MWsWindowTreeNode& aWindowTreeNode, const TRegion& aNewTransparentRegion, const TRegion* aNewOpaqueRegion);
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void ElementAdded(const MWsWindowTreeNode& aWindowTreeNode, const MWsElement& aLayer);
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void FadeCountChanged(const MWsWindowTreeNode& aWindowTreeNode, TInt aFadeCount);
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void FadeAllChildren(const MWsWindowTreeNode& aWindowTreeNode, TBool aFaded);
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void WindowGroupChained(const MWsWindowTreeNode& aParent, const MWsWindowTreeNode& aChild);
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void WindowGroupChainBrokenAfter(const MWsWindowTreeNode& aWindowGroup);
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private:
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CSceneChecker(MWsScreen& aScreen);
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private:
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MWsScreen& iScreen;
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MWsScene* iScene;
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MWsElement* iBottomElement;
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TInt iElementSetCount;
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TBool iElementSetChanged;
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RPointerArray<MWsElement> iElementsWithoutAssociatedWindow;
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};
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#endif //__SCENECHECKER_H__
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