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/*
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* Copyright (c) 2007 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: This is the client side interface declaration for the
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* predictive search server.
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*
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*/
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#ifndef __CPSREQUESTHANDLER_H__
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#define __CPSREQUESTHANDLER_H__
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// INCLUDE FILES
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// SYSTEM INCLUDES
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#include <e32base.h>
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#include <e32svr.h>
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#include <s32mem.h>
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#include <e32property.h>
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#include <MVPbkContactLink.h>
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#include <CVPbkContactManager.h>
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#include <CVPbkContactStoreUriArray.h>
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#include <TVPbkContactStoreUriPtr.h>
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#include <MVPbkContactStoreList.h>
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#include <MVPbkContactStore.h>
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#include <CVPbkContactIdConverter.h>
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#include <VPbkContactStoreUris.h>
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#include <badesca.h>
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// USER INCLUDES
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#include <CPcsDefs.h>
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#include <CPsClientData.h>
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#include <CPsQuery.h>
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#include <CPsSettings.h>
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#include <CPsPattern.h>
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#include <RPsSession.h>
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// FORWARD DECLARATIONS
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class MPsResultsObserver;
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class CPsPropertyHandler;
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class CPsUpdateHandler;
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// CLASS DECLARATION
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/**
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* CPSRequestHandler
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* An instance of the request handler object for the Predicitve Search application
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*
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* @lib PsServerClientAPI.lib
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* @since S60 v3.2
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*/
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class CPSRequestHandler : public CActive
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{
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public: // Constructors and destructors
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/**
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* NewL.
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* Two-phased constructor.
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* Creates a CPSRequestHandler object using two phase construction,
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* and return a pointer to the created object.
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*
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* @return A pointer to the created instance of CPSRequestHandler.
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*/
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IMPORT_C static CPSRequestHandler* NewL();
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/**
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* NewLC.
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* Two-phased constructor.
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* Creates a CPSRequestHandler object using two phase construction,
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* and return a pointer to the created object.
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*
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* @return A pointer to the created instance of CPSRequestHandler.
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*/
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IMPORT_C static CPSRequestHandler* NewLC();
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/**
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* ~CPSRequestHandler.
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* Destructor.
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* Destroys the object and release all memory objects.
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*/
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virtual ~CPSRequestHandler();
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public: // New functions
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/**
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* Version.
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* Returns the predictive search server version.
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*
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* @return The current version of predictive search server.
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*/
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IMPORT_C TVersion Version() const;
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/**
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* AddObserver.
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*
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* @param aObserver The object to be used to handle updates
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* from the server.
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*/
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IMPORT_C void AddObserverL( MPsResultsObserver* aObserver );
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/**
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* RemoveObserverL.
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*
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* @param aObserver The object used to handle updates from the server.
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* @return KErrNone if removed.
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* KErrNotFound if observer not added already.
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*/
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IMPORT_C TInt RemoveObserver( MPsResultsObserver* aObserver );
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/**
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* SetSearchSettingsL.
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* Set the databases and fields to be included in search.
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* Databases ids are mapped to virtual phone book URLs.
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* Fields to be searched are mapped to virutal phonebook identifiers.
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*
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* @param aSettings Holds the search settings.
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*/
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IMPORT_C void SetSearchSettingsL( const CPsSettings& aSettings );
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/**
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* GetAllContentsL.
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* Sends a request to the predictive search server to get all cached contents.
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* This is a asynchronous request.
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*/
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IMPORT_C void GetAllContentsL();
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/**
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* SearchL.
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* Sends a request to the predictive search server.
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* This is a asynchronous request.
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*
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* @param aSearchQuery The input search query.(Length of aSearchQuery <= KPsQueryMaxLen)
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* @param aStatus Holds the completion status of search request.
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*/
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IMPORT_C void SearchL( const CPsQuery& aSearchQuery );
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/**
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* SearchL.
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* Sends a request to the predictive search server.
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* This is a asynchronous request. It considers bookmarked contacts
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* while sending the results back to the client
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*
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* @param aSearchQuery The input search query.(Length of aSearchQuery <= KPsQueryMaxLen)
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* @param aMarkedContacts Array of marked contacts
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* @param aContactManager Contact manager instance
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*/
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IMPORT_C void SearchL( const CPsQuery& aSearchQuery,
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RPointerArray<CPsClientData>& aMarkedContacts,
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CVPbkContactManager* aContactManager );
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/**
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* CancelSearch.
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* Cancels ongoing search.
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*/
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IMPORT_C void CancelSearch();
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/**
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* LookupL.
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* Sends a request to the predictive search server.
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* Does a predictive search in aSearchData for aSearchQuery and return
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* the matches.
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* This is a synchronous request.
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*
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* @param aSearchQuery The input search query.(Length of aSearchQuery <= KPsQueryMaxLen)
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* @param aSearchData The input data to be searched.
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* @param aMatchSet The list of matches.
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* @param aMatchLocation The list matched index and length of match
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*/
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IMPORT_C void LookupL( const CPsQuery& aSearchQuery,
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const TDesC& aSearchData,
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CDesCArray& aMatchSet,
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RArray<TPsMatchLocation>& aMatchLocation );
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/**
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* LookupMatchL.
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* Sends a request to the predictive search server.
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* Does a predictive search in aSearchData for aSearchQuery and return
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* the match string in aMatch.
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* If there is no full match aMatch will be empty (Length()==0)
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* This is a synchronous request.
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*
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* @param aSearchQuery The input search query.(Length of aSearchQuery <= KPsQueryMaxLen)
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* @param aSearchData The input data to be searched.
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* @param aMatch The matched result
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*/
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IMPORT_C void LookupMatchL( const CPsQuery& aSearchQuery,
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const TDesC& aSearchData,
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TDes& aMatch );
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/**
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* IsLanguageSupportedL.
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* Checks if the language variant is supported by
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* the predictive search engine.
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* This is a synchronous request.
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*
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* @param aLanguage The language which has to be checked
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* @return ETrue if the language specified is supported by PS engine
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* EFalse otherwise
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*
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*/
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IMPORT_C TBool IsLanguageSupportedL( const TLanguage aLanguage );
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/**
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* GetCachingStatusL
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* Gets the status of the caching synchronously
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*
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* @param aResultsBuffer Pointer to the result buffer.
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*/
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IMPORT_C TInt GetCachingStatusL( TCachingStatus& aStatus );
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/**
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* ConvertToVpbkLinkLC.
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* Extract the VPBK contact link associated with the search result.
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* This is a synchronous request.
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*
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* @param aSearchResult PS result for which contact link is required.
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* @param aContactManager An instance of contact manager used for link extraction.
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* @return The contact link.
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*/
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IMPORT_C MVPbkContactLink* ConvertToVpbkLinkLC( const CPsClientData& aSearchResult,
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CVPbkContactManager& aContactManager );
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/**
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* GetDataOrderL.
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* This function returns the list of supported data fields (mapped to VPbk identifiers)
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* supported by a datastore.
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* This is a synchronous request.
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*
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* @param aDataStore The data store URI.
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* @param aDataOrder This array has the field identifiers returned from the server.
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*/
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IMPORT_C void GetDataOrderL( const TDesC& aDataStore, RArray<TInt>& aDataOrder );
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/**
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* GetSortOrderL.
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* This function returns the sort order of data fields (mapped to VPbk identifiers)
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* set on a datastore.
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* This is a synchronous request.
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*
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* @param aDataStore The data store URI.
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* @param aSortOrder This array has the field identifiers returned from the server.
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*/
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IMPORT_C void GetSortOrderL( const TDesC& aDataStore, RArray<TInt>& aSortOrder );
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/**
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* ChangeSortOrderL.
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* This function sets the sort order of data fields (mapped to VPbk identifiers)
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* on a datastore.
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* This is a synchronous request.
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*
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* @param aDataStore The data store URI.
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* @param aSortOrder This array has the field identifiers to be set for this store.
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*/
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IMPORT_C void ChangeSortOrderL( const TDesC& aDataStore, RArray<TInt>& aSortOrder );
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/**
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* GetAdaptiveGridCharactersL.
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* This is a support method for Adaptive Search functionality.
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* As Predictive Search Engine is well suited for keeping an maintaining data
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* structures related to contacts and updated according to contacts
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* additions/modifications/deletions, like it is done already in Predictive Search
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* Engine.
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*
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* @param aDataStores The data store URIs.
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* @param aSearchText The text in the find box.
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* @param aCompanyName The info if Company Name is required.
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* @param aAdaptiveGrid The returned Adaptive Grid.
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*/
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IMPORT_C void GetAdaptiveGridCharactersL( const MDesCArray& aDataStores,
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const TDesC& aSearchText,
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const TBool aCompanyName,
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TDes& aAdaptiveGrid );
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/**
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* ShutdownServerL
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* Shuts down the predictive search engine.
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*
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* CAUTION: Shutdown of predictive search server shouldn't be done for each
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* session. It should be done only when the search engine needs to be
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* completely shutdown.
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*/
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IMPORT_C void ShutdownServerL();
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protected: // Functions from base classes
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/**
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* From CActive, RunL.
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* Callback function.
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* Invoked to handle responses from the server.
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*/
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void RunL();
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/**
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* From CActive, DoCancel.
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* Cancels any outstanding operation.
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*/
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void DoCancel();
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public:
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/**
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* Notify observers about the cahcing status
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*/
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void NotifyCachingStatus( TCachingStatus aStatus, TInt aError );
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private: // Constructors and destructors
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/**
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* CPSRequestHandler.
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* Performs the first phase of two phase construction.
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*/
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CPSRequestHandler();
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/**
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* ConstructL.
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* Performs the second phase construction of a
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* CPSRequestHandler object.
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*/
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void ConstructL();
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private: // Internal data handlers
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/**
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* ParseResultsL.
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* Parses the results buffer and converts them to data elements.
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*/
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void HandleSearchResultsL();
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/**
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* HandleBufferOverFlowL.
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* Handles internal buffer overflow event.
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*/
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void HandleBufferOverFlowL();
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/**
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* HandleErrorL.
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* Handles error events.
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*/
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void HandleErrorL(TInt aErrorCode);
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/**
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* AddMarkedContacts
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* Filters the bookmark results and adds them to final search result set
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*/
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TInt AddMarkedContactsL(RPointerArray<CPsClientData>& searchResults);
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/**
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* RunSearchFromBufferL
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* Runs search if search query buffer ( iPendingSearchQueryBuffer ) is not empty
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*/
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void RunSearchFromBufferL();
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private: // Data
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/**
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* iSession, the predictive search server session.
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*/
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RPsSession iSession;
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/**
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* iObservers, observers which handles updates from the server.
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*/
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RPointerArray<MPsResultsObserver> iObservers;
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/**
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* iSearchQueryBuffer, the buffer that holds the search query.
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*/
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HBufC8* iSearchQueryBuffer;
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/**
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* iPendingSearchQueryBuffer, the buffer that holds the pending search query.
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*/
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HBufC8* iPendingSearchQueryBuffer;
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/**
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* iSearchDataBuffer, the buffer that holds the search data.
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*/
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HBufC8* iSearchDataBuffer;
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/**
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* iSearchResultsBuffer, the buffer that holds the search results.
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*/
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HBufC8* iSearchResultsBuffer;
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/**
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* iConverter, instance of contact id converter
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*/
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CVPbkContactIdConverter* iConverter;
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/**
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* iPropertyHandler, the handler to property which is asynchronously monitored
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*/
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CPsPropertyHandler* iPropertyHandler;
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/**
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* iContactAddedHandler, handler for reacting to contact being added to cache
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*/
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CPsUpdateHandler* iContactAddedHandler;
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/**
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* iContactRemovedHandler, handler for reacting to contact being removed from cache
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*/
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CPsUpdateHandler* iContactRemovedHandler;
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/**
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* iContactModifiedHandler, handler for reacting to contact being modified in cache
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*/
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CPsUpdateHandler* iContactModifiedHandler;
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/**
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* Not Owned
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* iBookMarkContactManager, contact manager reference received from the client
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* To be used only for handling marked contacts.
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*/
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CVPbkContactManager* iBookMarkContactManager;
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/**
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* iMarkedContacts, stores the bookmarked contacts if any, sent by the client
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*/
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RPointerArray<CPsClientData> iMarkedContacts;
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/**
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* ETrue, if search request was cancelled
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*/
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TBool iSearchRequestCancelled;
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};
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#endif //__CPSREQUESTHANDLER_H__
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// End of File
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