/*

* Copyright (c) 2003-2005 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 "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:       Implementation class for CLiwServiceHandler. 

*                See also LiwServiceHandler.h.

*

*/

#ifndef LIW_SERVICE_HANDLER_IMPL_H

#define LIW_SERVICE_HANDLER_IMPL_H

// INCLUDES

#include <ecom/ecom.h>

#include <barsread.h> 

#include <liwcommon.h>

#include "liwtlsdata.h"

#include <eikmobs.h> 

#include <e32capability.h>

// CONSTANTS

// MACROS

// FUNCTION PROTOTYPES

// FORWARD DECLARATIONS

class CLiwMenuBinding;

class CLiwMenuPane;

class CLiwServiceIfMenu;

class CLiwServiceIfBase;

class CLiwEcomMonitor;

class CRTSecMgrScriptSession;

// CLASS DECLARATION

/**

* Internal implementation class for CLiwServiceHandler. 

*

* Contains the actual implementation logic for Service Handler, whereas the

* CLiwServiceHandler class provides only the public API. 

*

* @see CLiwServiceHandler for API documentation.

* @since Series 60 2.6

*/

NONSHARABLE_CLASS(CLiwServiceHandlerImpl) :

    public CBase,

    public MLiwNotifyCallback,

    public MEikMenuObserver,

    public MLiwMenuLaunchObserver

    {

    public:  // Construction & destruction

        /**

        * Constructs CLiwServiceHandlerImpl instance.

        *

        * @return Pointer to the new instance.

        */

        static CLiwServiceHandlerImpl* NewL();

        /** 

        * Destructor.

        */

        virtual ~CLiwServiceHandlerImpl();

    public:  // Management

        /**

        * @see CLiwServiceHandler::Reset()

        */

        void Reset();

        /**

        * @see CLiwServiceHandler::NbrOfProviders() 

        */

        TInt NbrOfProviders(const CLiwCriteriaItem* aCriteria);

    public:  // Interest handling

        /**

        * @see CLiwServiceHandler::AttachL() 

        */

        void AttachL(TInt aInterestResourceId);

        /**

        * @see CLiwServiceHandler::AttachL() 

        */

        TInt AttachL(const RCriteriaArray& aInterest);

        TInt AttachL(const RCriteriaArray& aInterest,CRTSecMgrScriptSession* aSecMgrScriptSession);

        /**

        * @see CLiwServiceHandler::QueryImplementationL() 

        */

        void QueryImplementationL(CLiwCriteriaItem* aItem, RCriteriaArray& aProviderList);

		void GetCapabilitiesL(RArray<TCapability>& secMgrCapList,CLiwGenericParamList* pMetaData);

        /**

        * @see CLiwServiceHandler::GetProviderResourceFile() 

        */

        void GetProviderResourceFile(TDes& aFilePath, CLiwGenericParamList* pMetaData);

        /**

        * @see CLiwServiceHandler::GetInterest()

        */

        void GetInterest(RCriteriaArray& aInterest);

        /**

        * @see CLiwServiceHandler::DetachL()

        */

        void DetachL(const RCriteriaArray& aInterest);

        /**

        * @see CLiwServiceHandler::DetachL()

        */

        void DetachL(TInt aInterestResourceId); 

        /**

        * @see CLiwServiceHandler::GetCriteria()

        */

        const CLiwCriteriaItem* GetCriteria(TInt aId);

        /**

        * @see CLiwServiceHandler::InParamListL()

        */

        CLiwGenericParamList& InParamListL();

        /**

        * @see CLiwServiceHandler::OutParamListL()

        */

        CLiwGenericParamList& OutParamListL();

    public:  // Menu handling

        /**

        * @see CLiwServiceHandler::InitializeMenuPaneL()

        */

        void InitializeMenuPaneL(

            CEikMenuPane& aMenuPane,

            TInt aMenuResourceId,

            TInt aBaseMenuCmdId,

            const CLiwGenericParamList& aInParamList);

        /**

        * @see CLiwServiceHandler::InitializeMenuPaneL()

        */

        void InitializeMenuPaneL(

            CEikMenuPane& aMenuPane,

            TInt aMenuResourceId,

            TInt aBaseMenuCmdId,

            const CLiwGenericParamList& aInParamList,

            TBool aUseSubmenuTextsIfAvailable);            

        /**

        * @see CLiwServiceHandler::ServiceCmdByMenuCmd()

        */

        TInt ServiceCmdByMenuCmd(TInt aMenuCmdId) const;

        /**

        * @see CLiwServiceHandler::ExecuteMenuCmdL()

        */

        void ExecuteMenuCmdL(

            TInt aMenuCmdId,

            const CLiwGenericParamList& aInParamList,

            CLiwGenericParamList& aOutParamList,

            TUint aCmdOptions = 0,

            MLiwNotifyCallback* aCallback= NULL);

        /**

        * @see CLiwServiceHandler::AttachMenuL()

        */

        void AttachMenuL(TInt aMenuResourceId, TInt aInterestResourceId);

        /**

        * @see CLiwServiceHandler::AttachMenuL()

        */

        void AttachMenuL(TInt aMenuResourceId, TResourceReader& aReader);

        /**

        * @see CLiwServiceHandler::AttachMenuL()

        */

        void AttachMenuL(TInt aMenuResourceId, const RCriteriaArray& aInterest);

        /**

        * Attach menu related criteria items to given menu.

        *

        * @param aMenuEntries     List of menu command ids.

        * @param aMenuResourceId  Menu to be attached.

        * @param aInterest        Interest list.

        */

        void AttachMenuL(RArray<TInt>& aMenuEntries, TInt aMenuResourceId, RCriteriaArray& aInterest);        

        /**

        * Attach menu related criteria items to given menu.

        *

        * @param aMenuResourceId    Resource reader pointing

        *                           to menu to be attached.

        */

        //void AttachMenuL(TResourceReader& aReader, TInt aMenuId, RCriteriaArray& aInterest);

        /**

        * @see CLiwServiceHandler::DetachMenu()

        */

        void DetachMenu(TInt aMenuResourceId, TInt aInterestResourceId);

        /**

        * @see CLiwServiceHandler::IsSubMenuEmpty()

        */

        TBool IsSubMenuEmpty(TInt aSubMenuId);

        /**

        * @see CLiwServiceHandler::IsLiwMenu()

        */

        TBool IsLiwMenu(TInt aMenuResourceId);

        /**

        * @see CLiwServiceHandler::HandleSubmenuL()

        */

        TBool HandleSubmenuL(CEikMenuPane& aPane);

    public:  // Generic service command handling

        /**

        * @see CLiwServiceHandler::ExecuteServiceCmdL()

        */

        void ExecuteServiceCmdL(

            const TInt& aCmdId,

            const CLiwGenericParamList& aInParamList,

            CLiwGenericParamList& aOutParamList,

            TUint aCmdOptions = 0,

            MLiwNotifyCallback* aCallback = 0);

        /**

        * @see CLiwServiceHandler::ExecuteServiceCmdL()

        */

        void ExecuteServiceCmdL(                        

            const CLiwCriteriaItem& aCmd,

            const CLiwGenericParamList& aInParamList,

            CLiwGenericParamList& aOutParamList,

            TUint aCmdOptions = 0,

            MLiwNotifyCallback* aCallback = 0);

        /**

        * @see CLiwServiceHandler::MenuCmdId()

        */

        TInt MenuCmdId(TInt aMenuCmdId) const;            

    public:  // Other new methods

        /** 

        * Called by CLiwEcomMonitor.

        *

        * @param aImpl An object representing this class.

        * @return An error code. KErrNone if successful.

        */ 

        static TInt SynchronizeCallBack(TAny* aImpl);

    public: // From MLiwNotifyCallback

        TInt HandleNotifyL(

            TInt aCmdId,

            TInt aEventId,

            CLiwGenericParamList& aEventParamList,

            const CLiwGenericParamList& aInParamList);

    public: // From MEikMenuObserver

        void SetEmphasis(CCoeControl* aMenuControl,TBool aEmphasis);

    public: // From MEikCommandObserver (via MEikMenuObserver)

        void ProcessCommandL(TInt aCommandId);

	    void GetProviderCapability(CLiwCriteriaItem* aItem,RCriteriaArray& aOutItem);

    private: // From MLiwMenuLaunchObserver

        void MenuLaunched();

    private:

        // Possible placeholder types.

        enum TLiwPlaceholderType

            {

            ELiwPlaceholderNormal,

            ELiwPlaceholderCascade,     

            ELiwPlaceholderIntelligentCascade

            };

    private:

        CLiwServiceHandlerImpl();

        void ConstructL();

        // Attach menu related criteria items to given menu. 

        void DoAttachMenuL(TResourceReader& aReader, TInt aMenuId, RCriteriaArray& aInterest);

        TInt DoAttachL(const RCriteriaArray& aInterest,CRTSecMgrScriptSession* aScriptSession);

        void DoAttachL(const RCriteriaArray& aInterest);

        void ReadInterestListL(TResourceReader& aReader, RPointerArray<CLiwCriteriaItem>& aResult);

        TInt ResolveProvidersL(CLiwBinding* aBinding, CLiwCriteriaItem* aItem, CRTSecMgrScriptSession* aScriptSession);

        TInt ResolveProvidersL(CLiwBinding* aBinding, CLiwCriteriaItem* aItem);

        TBool IsCached(CLiwServiceIfBase* aProvider);

        CLiwMenuPane* CreateEmptyLiwMenuPaneL(TInt aBaseMenuCmdId, TInt aResourceId);

        void DeleteLiwMenuPane(CLiwMenuPane* aLiwPane);

        TInt ResourceIdForNextFreeSlot();

        void CopyMenuItemsL(CLiwMenuPane* aSource, CEikMenuPane& aDest, TInt aStartIndex, 

            TBool aIsSubmenu);

        TInt SlotItemCmd(CEikMenuPane& aPane);

        CLiwMenuPane* MenuPaneForSlotCmd(TInt aCmdId);

        TLiwPlaceholderType PlaceholderType(CEikMenuPane& aPane, TInt aCmd, TBool& aTitleLocked);

        void ConvertPlaceholderL(CEikMenuPane& aPane, TInt aCmd, CLiwMenuPane& aLiwPane, 

            const TDesC& aTitle);

        void UnCascadeL(CEikMenuPane& aPane, TInt aCmd, CLiwMenuPane& aLiwPane);

        void SkipMenuFields(TResourceReader& aReader);

        TBool IsInLastInitialized(CLiwMenuPane* liwPane) const;

        TBool GetSubmenuTitle(CEikMenuPane& aPane, TDes& aResult);

        TBool IsCriteriaAlreadyInInterest(CLiwCriteriaItem& aItem, 

            RPointerArray<CLiwCriteriaItem>& aInterest) const;

        CLiwCriteriaItem* ConvertCriteriaItemPointerL(CLiwCriteriaItem* aCandidate);

        void FilterInterestListL(RPointerArray<CLiwCriteriaItem>& aOrginal,

            RPointerArray<CLiwCriteriaItem>& aFiltered);

        void FilterInfoArray(RImplInfoPtrArray& aArray, RArray<TInt32>& aArrayPlugin,

            CLiwCriteriaItem* aItem);   

        CLiwMenuBinding* AlreadyBound(TInt aMenuId, TInt aMenuCmd, TInt aMenuItemIndex) const;

        void SynchronizeDbL();

        void ListProvidersForCriteriaL(RArray<TInt>& aResult, CLiwCriteriaItem& aItem);

        void HandleRemovedProviders(RArray<TInt>& aInMemory, RImplInfoPtrArray& aOnSystem);

        void HandleNewProvidersL(RArray<TInt>& aInMemory, RImplInfoPtrArray& aOnSystem, 

            CLiwCriteriaItem* aItem);

        void RemoveProvider(TInt aImplUid);

        void AddProviderL(TUid aImplUid, CLiwCriteriaItem* aItem);

        inline void ClearMenuPaneArray();

        void AttachServiceManagerPluginsL();

        void ServiceManagerPlugin_ListImplementationsL(RArray<TInt32>& aArray, CLiwCriteriaItem* aItem);

        CLiwServiceIfBase* ServiceManagerPlugin_CreateImplementationL(TInt32 aImplUid);

        TInt NumAlreadyInitializedPaneIdsL() const;

        // Leaving helper method. Handler cleanupstack issues and calls ReadInterestListL().

        void ReadInterestL(RCriteriaArray& aInterest, TInt aInterestResourceId);

        // Detaches all items from given menu.        

        void DoDetachMenu(TInt aMenuResourceId);

        // Detaches only those items from a given menu, which match the given interest.

        void DoDetachMenu(TInt aMenuResourceId, RCriteriaArray& aInterest);

        // Removes unnecessary criteria items from Service Handler.

        void RemoveObsoleteCriteriaItems();

        // Removes unnecessary providers from Service Handler.

        void RemoveObsoleteProviders();

        /* Parses the metadata information stored in the opaque_data field

		 * of service provider registration information \c REGISTRY_INFO.

		 *

		 * The metadata information is seprated from the service command definition 

		 * in the opaque_data field using a separator "::".

		 *

		 * @param aOpaque	the opaque_data values specified in the registration information

		 * @param aMetaData the parsed metadata entries will be stored in this variable

		 * 

		 */

		void ParseMetaData(const TDesC8& aOpaque, TDes8& aMetaData);

		//To fetch the infoArray

        void QueryImplementationL(CLiwCriteriaItem* aItem, RImplInfoPtrArray& aInfoArray);

  		TCapability GetServiceCapability(const TDesC& aCapName);

		//To fetch the version range specified by the consumer while creating Criteria

		TBool GetVersionRange(CLiwCriteriaItem* aItem,TReal& aMinVersion, TReal& aMaxVersion);

		//To fetch the version range specified by the consumer while creating Criteria

		TBool GetVersion (CLiwCriteriaItem* aItem,TReal& aVersion);

		//To fetch the implementation version specified in provider metadata

		void ComputeIntfVersion(CLiwServiceData* pProvMetaData,TReal& aIntfVersion);

    private:

        // Pointer to the control environment.

        CCoeEnv* iCoeEnv;

        // Owns all the attached criteria items.

        RPointerArray<CLiwCriteriaItem> iInterestList;  

        // Criteria -> provider bindings for base service providers.

        RPointerArray<CLiwBinding>      iBaseBindings;  

        // Criteria -> provider bindings for menu service providers.

        RPointerArray<CLiwMenuBinding>  iMenuBindings;  

        // Contains the LIW menu panes.

        RPointerArray<CLiwMenuPane>     iMenuPanes;     

        // Input parameter list which can be given to the consumer application.

        CLiwGenericParamList* iInParams;

        // Output parameter list which can be given to the consumer application.

        CLiwGenericParamList* iOutParams; 

        // Resource offset for LiwServiceHandler.rsc.

        TInt iResourceOffset;

        // Owns all the providers currently in memory.

        RPointerArray<CLiwServiceIfBase> iProviders;  

        TInt                             iNextFreeSlot;

        RPointerArray<CLiwMenuPane>      iLastInitialized;

        CLiwMenuPane*                    iSubmenu;

        TInt                             iSubmenuCmd;

        CLiwEcomMonitor*                 iEcomMonitor;

        TBool                            iTlsDataOpened;

    };

inline void CLiwServiceHandlerImpl::ClearMenuPaneArray()

    {

    iMenuPanes.ResetAndDestroy();

    }

#endif // LIW_SERVICE_HANDLER_IMPL_H

// END of File