customization/ScreenSaverAdapter/inc/ScreenSaverAdapter.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 14 Sep 2010 20:57:05 +0300
branchRCL_3
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/*
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* Copyright (c) 2002 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:  DM Screensaver Adapter
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*
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*/
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#ifndef __NSMLScreenSaverAdapter_H__
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#define __NSMLScreenSaverAdapter_H__
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#include "TARMDmAdapter.h"
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const TUint KNSmlDMScreenSaverAdapterImplUid = 0x1020782E;
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// the DDF version must be changed if any changes in DDF structure ( built in DDFStructureL() function )
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_LIT8( KNSmlSCDDFVersion, "1.0" ); 
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_LIT8( KNSmlSCTextPlain, "text/plain" );
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_LIT8( KNSmlCustomizationNodeName, "Customization" );
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_LIT8( KNSmlSCDescription, "The interior object holds all customization objects" );
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_LIT8( KNSmlSCScreenSavers, "ScreenSavers" );
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_LIT8( KNSmlSCScreenSaversNodeDescription, "ScreenSavers is a common parent node for nodes managing screen savers");
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_LIT8( KNSmlSCAvailableScreenSaversNodeName, "AvailableScreenSavers" );
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_LIT8( KNSmlSCAvailableScreenSaversNodeDescription, "This node holds the available screen saver placeholders");
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_LIT8( KNSmlSCActiveScNodeName, "ActiveSc" );
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_LIT8( KNSmlSCActiveScNodeDescription, "This node is a link to the currently active screen saver");
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_LIT8( KNSmlSCDynamicDescription, "This is a placeholder to screen saver ID identifying a screen saver");
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_LIT8( KNSmlSCDataNodeName, "Data" );
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_LIT8( KNSmlSCDataNodeDescription, "Replace command will install a screen saver that's in the data field of the command");
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_LIT8( KNSmlSCIDNodeName, "ID" );
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_LIT8( KNSmlSCIDNodeDescription, "This leaf node holds the ID of the screen saver");
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_LIT8( KNSmlSCNameNodeName, "Name" );
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_LIT8( KNSmlSCNameNodeDescription, "This leaf node holds the name of the screen saver");
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_LIT8( KNSmlSCDescriptionNodeName, "Description" );
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_LIT8( KNSmlSCDescriptionNodeDescription, "This leaf node holds the description of the screen saver");
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_LIT8( KNSmlSCCustomPropertyNodeName, "CustomProperty" );
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_LIT8( KNSmlSCCustomPropertyNodeDescription, "This leaf node holds the custom property value of the screen saver");
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_LIT8( KNSmlSCVersionNodeName, "Version" );
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_LIT8( KNSmlSCVersionNodeDescription, "This leaf node holds the version of the screen saver");
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_LIT8( KNSmlSCInstallOptionsNodeName, "InstallOptions" );
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_LIT8( KNSmlSCInstallOptionsNodeDescription, "Holds the install options for next install");
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_LIT8( KNSmlSCActiveScRef, "Customization/ScreenSavers/AvailableScreenSavers/" );
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_LIT8( KSlash, "/" );
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class CScreenSaverList;
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// ------------------------------------------------------------------------------------------------
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// CNSmlDmEmailAdapter 
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// ------------------------------------------------------------------------------------------------
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class CScreenSaverAdapter : public CTARMDmAdapter
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	{
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public:
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	static CScreenSaverAdapter* NewL(MSmlDmCallback* aDmCallback );
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	static CScreenSaverAdapter* NewLC(MSmlDmCallback* aDmCallback );
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	virtual ~CScreenSaverAdapter();
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	// Implementation of MSmlDmAdapter interface
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	// =========================================
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	void DDFVersionL( CBufBase& aVersion );
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	void DDFStructureL( MSmlDmDDFObject& aDDF );
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	void _UpdateLeafObjectL( const TDesC8& aURI, const TDesC8& aLUID, const TDesC8& aObject, const TDesC8& aType, TInt aStatusRef );
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	void _UpdateLeafObjectL( const TDesC8& aURI, const TDesC8& aLUID, RWriteStream*& aStream, const TDesC8& aType, TInt aStatusRef );
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	void _DeleteObjectL( const TDesC8& aURI, const TDesC8& aLUID, TInt aStatusRef );
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	void _FetchLeafObjectL( const TDesC8& aURI, const TDesC8& aLUID, const TDesC8& aType, TInt aResultsRef, TInt aStatusRef );
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	void _FetchLeafObjectSizeL( const TDesC8& aURI, const TDesC8& aLUID, const TDesC8& aType, TInt aResultsRef, TInt aStatusRef );
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	void _ChildURIListL( const TDesC8& aURI, const TDesC8& aLUID, const CArrayFix<TSmlDmMappingInfo>& aPreviousURISegmentList, TInt aResultsRef, TInt aStatusRef );
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	void _AddNodeObjectL( const TDesC8& aURI, const TDesC8& aParentLUID, TInt aStatusRef );
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	void _ExecuteCommandL( const TDesC8& aURI, const TDesC8& aLUID, const TDesC8& aArgument, const TDesC8& aType, TInt aStatusRef );
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	void _ExecuteCommandL( const TDesC8& aURI, const TDesC8& aLUID, RWriteStream*& aStream, const TDesC8& aType, TInt aStatusRef );
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	void _CopyCommandL( const TDesC8& aTargetURI, const TDesC8& aTargetLUID, const TDesC8& aSourceURI, const TDesC8& aSourceLUID, const TDesC8& aType, TInt aStatusRef );
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	void StartAtomicL();
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	void CommitAtomicL();
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	void RollbackAtomicL();
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	TBool StreamingSupport( TInt& aItemSize );
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#ifdef __TARM_SYMBIAN_CONVERGENCY	
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		virtual void StreamCommittedL( RWriteStream& aStream );
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#else
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		virtual void StreamCommittedL();
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#endif	
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	void CompleteOutstandingCmdsL();
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	// PolicyCheck, resource name
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//#ifdef __SAP_POLICY_MANAGEMENT	
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	TPtrC8 PolicyRequestResourceL( const TDesC8& aURI );
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//#endif
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protected:
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	// Other
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	void GetLeafObjectL( const TDesC8& aURI, const TDesC8& aLUID, const TDesC8& aType, CBufBase& aResult, TError& aRet );
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private:
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	void ConstructL( );
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	CScreenSaverAdapter( MSmlDmCallback* aDmCallback );
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	enum TNodeId
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		{
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		ENodeUnknown,
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		ENodeCustomization,
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		ENodeScreenSavers,
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		ENodeAvailableScreenSavers,
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		ENodeActiveSc,
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		ENodeAvailableScreenSaversX,
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		ENodeData,
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		ENodeID,
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		ENodeName,
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		ENodeDescription,
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		ENodeCustomProperty,
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		ENodeVersion,
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		ENodeInstallOptions,
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		ENodeLast
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		};
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	TNodeId NodeId( const TDesC8& aURI );
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	void FillNodeInfoL( MSmlDmDDFObject& aNode,TSmlDmAccessTypes aAccTypes,MSmlDmDDFObject::TOccurence aOccurrence, MSmlDmDDFObject::TScope aScope, MSmlDmDDFObject::TDFFormat aFormat,const TDesC8& aDescription );
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	TBool IsImage(const TDesC8& aMime) ;
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	void InstalledPackagesL( RArray< TUid >& aUids );
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//	void InstalledScreenSaversL( RArray< TUid >& aUids );
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	void InstalledScreenSaversL( CDesCArray& aIds );
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private:
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	MSmlDmCallback* iCallBack;
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	CScreenSaverList* iScreenSavers;
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	TBool iScreensaverOff;
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};
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#endif // __NSMLScreenSaverAdapter_H__