author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 27 May 2010 13:59:44 +0300 | |
changeset 3 | ae3f1779f6da |
parent 0 | 671dee74050a |
child 8 | 6547bf8ca13a |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2010 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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*/ |
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#ifndef CCPIXSEARCH_H_ |
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#define CCPIXSEARCH_H_ |
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#include <e32base.h> |
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#include <stdio.h> |
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#include <wchar.h> |
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#include <glib.h> |
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#include "cpixsearch.h" |
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#include "cpix_async.h" |
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#include "indevicecfg.h" |
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// FORWARD DECLARATIONS |
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class CSearchDocument; |
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class CCPixAsyncronizer; |
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class MCPixAsyncronizerObserver; |
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_LIT(KCpixDefaultSearchField, CPIX_DEFAULT_FIELD); |
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/** |
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* Symbian C++ wrapper for OpenC CPixSearch interface. |
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*/ |
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class CCPixSearch : public CBase |
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{ |
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public: |
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/** |
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* @return Pointer to new CCPixIdxDb instance. |
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*/ |
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static CCPixSearch* NewL(); |
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/** |
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* @return Pointer to new CCPixIdxDb instance. |
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*/ |
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static CCPixSearch* NewLC(); |
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/** |
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* Releases databasehandle and frees resources. CPix does it own reference counting and doesn't release |
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* all resources until all handles to given database are closed. |
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*/ |
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virtual ~CCPixSearch(); |
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public: |
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/** |
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* Cancel any incomplete asyncronous operation |
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* @param aMessage RMessage2 of CancelAll request |
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*/ |
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void CancelAll(const RMessage2& aMessage); |
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/** |
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* Search given terms from the default field. |
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* @param aSearchTerms Terms to look for. |
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* @param aObserver Observing object for this asyncronous call |
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* @param aMessage The requesting message |
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* @return ETrue if search was commited, EFalse if it was stop word for example and search was not commited |
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*/ |
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TBool SearchL(const TDesC& aSearchTerms, MCPixAsyncronizerObserver* aObserver, const RMessage2& aMessage); |
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/** |
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* Complete previous call to SearchL |
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* @return Count of result documents. |
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*/ |
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TInt SearchCompleteL(); |
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/** |
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* Search given terms from the default field. |
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* @param aSearchTerms Terms to look for. |
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* @return Count of result documents. |
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*/ |
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TInt SuggestL(const TDesC& aWildCard, const TDesC& aField, TInt aMaxHits); |
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/** |
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* Gets document from the current search results. |
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* @param aObserver Observing object for this asyncronous call |
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* @param aMessage The requesting message |
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* @parma aIndex index of the requested document |
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*/ |
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void GetDocumentL(TInt aIndex, MCPixAsyncronizerObserver* aObserver, const RMessage2& aMessage); |
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/** |
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* Complete the previous GetDocumentL |
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* @return Document. Ownership is transferred to the caller of this function. |
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*/ |
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CSearchDocument* GetDocumentCompleteL(); |
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/** |
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* Creates new database (and destroys existing) if path is given. Otherwise, opens existing database. |
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* @param aDefaultSearchField Default field to which query results are looked from. |
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* @param aBaseAppClass Application class of this database handle. |
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* Defines which database this handle connects to. |
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*/ |
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void OpenDatabaseL(const TDesC& aBaseAppClass, const TDesC& aDefaultSearchField = KCpixDefaultSearchField); |
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/** |
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* IsOpen |
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* @returns ETrue if the database is currently open |
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*/ |
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TBool IsOpen(); |
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void SetAnalyzerL(const TDesC& aAnalyzer); |
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static void InitializeL(); |
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static void Shutdown(); |
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private: // Contructors |
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/** |
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* Standard C++ constructor |
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*/ |
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CCPixSearch(); |
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|
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/** |
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* Symbian 2nd phase constructor |
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*/ |
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void ConstructL(); |
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|
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/* |
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* Callback from CCPixAsyncronizer, called when asynchronous operations complete |
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*/ |
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static void CompletionCallback(void *aCookie, cpix_JobId aJobId); |
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private: |
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/** |
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* Log cancel action code |
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* @param aCancelAction Cancel action for CPix cancel |
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*/ |
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void LogCancelAction(cpix_CancelAction aCancelAction); |
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private: |
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enum TPendingTask |
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{ |
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EPendingTaskNone = 0, |
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EPendingTaskSearch, |
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EPendingTaskDocument |
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}; |
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private: |
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/** |
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* Base application class of this database instance |
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*/ |
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HBufC8* iBaseAppClass; |
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|
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/** |
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* Default search field |
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*/ |
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HBufC* iDefaultSearchFieldZ; |
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|
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/** |
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* Searcher handle |
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*/ |
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cpix_IdxSearcher* iIdxDb; |
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|
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/** |
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* Query analyzer. |
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*/ |
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cpix_Analyzer* iAnalyzer; |
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|
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/** |
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* Query parser. |
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*/ |
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cpix_QueryParser* iQueryParser; |
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|
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/** |
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* Current query instance. |
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*/ |
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cpix_Query* iQuery; |
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|
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/** |
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* Results of the last query. |
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*/ |
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cpix_Hits* iHits; |
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|
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/** |
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* Count of documents returned by last query. |
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*/ |
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TInt iDocumentCount; |
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|
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/** |
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* Asynchronizer object for search and getdocument |
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*/ |
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CCPixAsyncronizer* iAsyncronizer; |
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cpix_JobId iPendingJobId; |
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TPendingTask iPendingTask; |
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|
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/** |
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* Needed until the cpix is changed so that the docResults gives out the document |
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*/ |
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cpix_Document iCurrentCpixDocument; |
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}; |
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#endif /* CCPIXSEARCH_H_ */ |