MCL/sf/app/organizer: comparison searchfw/plugins/contactsplugin/inc/contactssearcher.h

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+/*
+* Copyright (c) 2006-2007 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "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:   ECom search interface definition
+*
+*/
+#ifndef C_CCONTACTSSEARCHER_H
+#define C_CCONTACTSSEARCHER_H
+//SYSTEM INCLUDES
+#include <f32file.h>
+#include <badesca.h>
+#include <searchcontentsearcher.h>
+#include <searchcondition.h>
+#include <MVPbkContactStoreListObserver.h>
+#include <MVPbkSingleContactOperationObserver.h>
+#include <MVPbkContactViewObserver.h>
+// FORWARD DECLARATIONS
+class CSearchCondition;
+class CVPbkContactManager;
+class CVPbkContactStoreUriArray;
+class CVPbkContactLinkArray;
+class MVPbkContactOperationBase;
+class MVPbkContactLinkArray;
+class MVPbkBaseContact;
+class CSearchFScanRegistryEntry;
+class CSearchTextSearcher;
+class MSearchPluginObserver;
+class CVPbkFieldTypeRefsList;
+class MVPbkContactViewBase;
+/**
+*  This class is the searcher class for the contacts
+*
+*  This class searches the contacts using the virtual phonebook2 apis
+*
+*  @lib contactssearchplugin.lib
+*/
+class CContactsSearcher : public CActive,
+public MSearchContentSearcher,
+	                      public MVPbkContactStoreListObserver,
+public MVPbkSingleContactOperationObserver,
+public MVPbkContactViewObserver
+{
+public:
+/**
+* 1st phase constructor
+*
+	* @param aContentIdArray - content id
+	* @param aCondition - condition
+	* @param aPluginId - Implementation id
+	* @return returns pointer to the constructed object of type CContactsSearcher
+	*/
+	static CContactsSearcher* NewL( const RArray<TUid>& aContentIdArray,
+const CSearchCondition& aCondition,
+const TUid& aPluginId,
+MSearchPluginObserver& aObserver );
+/**
+* Destructor
+*/
+virtual ~CContactsSearcher();
+/**
+* A function that returns the contact link at given index
+* of the iContactLinkArray
+*
+*
+* @param aIndex
+*/
+MVPbkContactLink* GetContactLinkAtIndexLC(TInt aIndex);
+public: //from base class MSearchContentSearcher
+/**
+* From MSearchContentSearcher
+* Releses the object.
+*
+*/
+void Destroy();
+/**
+* From MSearchContentSearcher
+* Starts the search. Progress of the search is notified through aObserver.
+* Notice that this call must be asynchronous.
+*
+* @param aObserver Observer for search progress.
+*/
+void SearchL();
+/**
+* From MSearchContentSearcher
+* Function returning ETrue when a search is ongoing.  EFalse otherwise.
+*
+* @return ETrue when a search is ongoing.  EFalse otherwise.
+*/
+TBool IsSearching();
+/**
+* From MSearchContentSearcher
+* Cancels the ongoing search. This call must complete synchronously and no calls for
+* observers must be made after this call.
+*
+*/
+void CancelSearch();
+/**
+* From MSearchContentSearcher
+* Gets the results indicated by the given document ids. Asynchronous. Results will be given
+* through callback in MSearchPlugInObserver given in Search request.
+*
+* @param aResults Results of the search process. Ownership transfers to caller.
+*/
+void GetResultsL( const RPointerArray<CSearchDocumentId>& aDocumentIdArray );
+/**
+* From MSearchContentSearcher
+* Cancels the result retrieval process.
+*
+*/
+void CancelResultsRetrieve();
+/**
+* From MSearchContentSearcher
+* Gets the current search progress.
+*
+* @param aContentClassId On return contains the content class id, which is currently searched.
+* @param aCurrentDocument On return contains the index document that is currently being searched.
+* @param aTotalDocuments On return contains the total count of documents to be searched.
+*/
+void GetSearchProgressL( TUid& aContentClassId, TInt& aCurrentDocument, TInt& aTotalDocuments );
+/**
+* From MSearchContentSearcher , through MSearchTextSearcherObserver
+* Called when all search criteria are met.
+*
+* @param aCharPos The character position of the keyword match within the original text.
+*/
+void HitL( TInt aCharPos );
+HBufC8* LaunchInfoL( const CSearchDocumentId& aDocumentID );
+public:
+// from base class MVPbkContactStoreListObserver
+/**
+* From MVPbkContactStoreListObserver
+* Called when the opening process is complete, ie. all stores have been reported
+* either failed or successful open.
+*
+*/
+void OpenComplete();
+/**
+* From MVPbkContactStoreListObserver
+* Called when a contact store is ready to use.
+*/
+void StoreReady(MVPbkContactStore& aContactStore);
+/**
+* From MVPbkContactStoreListObserver
+* Called when a contact store becomes unavailable.
+* Client may inspect the reason of the unavailability and decide whether or not
+* it will keep the store opened (ie. listen to the store events).
+*
+*
+* @param aContactStore The store that became unavailable.
+* @param aReason The reason why the store is unavailable.
+*                This is one of the system wide error codes.
+*/
+void StoreUnavailable(MVPbkContactStore& aContactStore, TInt aReason);
+/**
+* From MVPbkContactStoreListObserver
+* Called when changes occur in the contact store.
+* @see TVPbkContactStoreEvent
+* @param aContactStore The store the event occurred in.
+* @param aStoreEvent   Event that has occured.
+*/
+void HandleStoreEventL(
+MVPbkContactStore& aContactStore,
+TVPbkContactStoreEvent aStoreEvent);
+public:
+// From base class MVPbkSingleContactOperationObserver
+/**
+* From MVPbkSingleContactOperationObserver
+* Called when operation is completed.
+*
+*
+* @param aOperation the completed operation.
+* @param aContact  the contact returned by the operation.
+*                  Client must take the ownership immediately.
+*
+*                  !!! NOTICE !!!
+*                  If you use Cleanupstack for MVPbkStoreContact
+*                  Use MVPbkStoreContact::PushL or
+*                  CleanupDeletePushL from e32base.h.
+*                  (Do Not Use CleanupStack::PushL(TAny*) because
+*                  then the virtual destructor of the M-class
+*                  won't be called when the object is deleted).
+*/
+void VPbkSingleContactOperationComplete(
+MVPbkContactOperationBase& aOperation,
+MVPbkStoreContact* aContact );
+/**
+* From MVPbkSingleContactOperationObserver
+* Called if the operation fails.
+*
+* @param aOperation    the failed operation.
+* @param aError        error code of the failure.
+*/
+void VPbkSingleContactOperationFailed(
+MVPbkContactOperationBase& aOperation,
+TInt aError );
+public:
+void ContactViewReadyL(
+MVPbkContactViewBase& aView );
+//From MVPbkContactViewObserver
+/**
+* Called when a view is ready for use.
+*
+* This function may also be called if view is already ready. Then
+* it means that the view has been updated and the observer have
+* to take this into account.
+*
+* @param aView A contact view sending the event.
+*/
+void ContactViewReady(
+MVPbkContactViewBase& aView );
+/**
+* Called when a view is unavailable for a while.
+*
+* When the view is again available ContactViewReady will be called.
+* The contents of the view may change completely while it is
+* unavailable.
+*
+* @param aView A contact view sending the event.
+*/
+void ContactViewUnavailable(
+MVPbkContactViewBase& aView );
+/**
+* Called when a contact has been added to the view.
+*
+* @param aView A contact view sending the event.
+* @param aIndex An index of the contact in the view.
+* @param aContactLink A link to the added contact that is
+*                     valid only during the functio call.
+*/
+void ContactAddedToView(
+MVPbkContactViewBase& aView,
+TInt aIndex,
+const MVPbkContactLink& aContactLink );
+/**
+* Called when a contact has been removed from a view.
+*
+* @param aView A contact view sending the event.
+* @param aIndex An index of the removed contact.
+* @param aContactLink A link to the removed contact that is
+*                      valid only during this function call.
+*/
+void ContactRemovedFromView(
+MVPbkContactViewBase& aView,
+TInt aIndex,
+const MVPbkContactLink& aContactLink );
+/**
+* Called when an error occurs in the view.
+*
+* If client decides to destroy the view then it should do
+* it asynchronously because the view can access member data
+* after a call to this.
+*
+* @param aView A contact view sending the event.
+* @param aError An error code of the failure.
+* @param aErrorNotified  ETrue if the implementation has already
+*                        notified user about the error using e.g
+*                        an ECOM plug-in, EFalse otherwise.
+*/
+void ContactViewError(
+MVPbkContactViewBase& aView,
+TInt aError,
+TBool aErrorNotified );
+protected: // From base class CActive
+/**
+* From CActive
+* Implements cancellation of an outstanding request.
+	*
+	* This function is called as part of the active object's Cancel().
+	*/
+	void DoCancel() ;
+/**
+* From CActive
+	* Handles an active object's request completion event.
+	*
+	* The function is called by the active scheduler when a request
+	* completion event occurs, i.e. after the active scheduler's
+	* WaitForAnyRequest() function completes.
+	*
+	* Before calling this active object's RunL() function, the active scheduler
+	* has:
+*
+	* 1. decided that this is the highest priority active object with
+	*   a completed request
+	*
+* 2. marked this active object's request as complete (i.e. the request is no
+	*   longer outstanding)
+	*
+	* RunL() runs under a trap harness in the active scheduler. If it leaves,
+	* then the active scheduler calls RunError() to handle the leave.
+	*
+	* Note that once the active scheduler's Start() function has been called,
+	* all user code is run under one of the program's active object's RunL() or
+	* RunError() functions.
+	*
+	*/
+	void RunL();
+/**
+	* From CActive
+	* If the RunL function leaves,
+	* then the active scheduler calls RunError() to handle the leave.
+	*
+	*/
+	TInt RunError( TInt aError );
+private:
+/**
+* Constructor
+*
+*
+* @param aPluginId
+*/
+CContactsSearcher( const TUid& aPluginId );
+/**
+* 2nd phase constructor
+*
+* @param aContentIdArray
+* @param aCondition
+*/
+void ConstructL( const RArray<TUid>& aContentIdArray,
+	                 const CSearchCondition& aCondition,
+	                 MSearchPluginObserver& aObserver );
+/**
+* Notifies the observer about the search complete
+*
+*/
+void ReportFinishedL();
+/**
+* Cleans up the memory held
+*
+*/
+void CleanUp();
+	/**
+	* Does actual search
+	*
+	*
+	*/
+	TBool DoActualSearchL();
+	/**
+* Fetches the contact items from the database.
+*
+*/
+	void FetchContactItemsFromDbAndSearchL();
+/**
+* Handles the operations for a single contact after it is fetched
+*
+	*
+	* @param aContact - The contact from database
+*/
+void HandleRetrievedContactL(MVPbkStoreContact* aContact );
+/**
+* Fetches the data from a particular contact
+*
+*
+	* @param aContact - The contact from database
+*
+*/
+void  GetDataForSingleContactL ( MVPbkBaseContact& aContact );
+/**
+* Add the data from contact fields
+*
+	*
+	* @param aContact - The contact from database
+* @param afieldtype- Field to be added
+*/
+void AddContactFieldsL(MVPbkBaseContact& aContact,TInt afieldtype);
+private: // Data
+/**
+*PluginId of contacts plugin
+*/
+TUid iPluginId;
+/**
+* Number of contacts searched
+*/
+TInt iTotalNumOfContactsSearched;
+/**
+*Total Number of matches
+*/
+TInt iTotalHits;
+/**
+* Flags for  store operations
+*/
+TBool iStoreReadyForAccessing ;
+TBool iAtLeastOneStoreReady;
+TBool iAllContactsSearched;
+TBool iNoContactStoreAvailable;
+TBool iSearchStarted;
+TBool iSearchCancelled;
+/**
+* Text searcher
+* Own.
+*/
+CSearchTextSearcher* iTextSearcher; // Text searcher
+/**
+* Search Plugin Observer
+* Own.
+*/
+MSearchPluginObserver*      iObserver;
+/**
+* Contact Link array containing the contact links of all the contacts in the database
+* Own.
+*/
+CVPbkContactLinkArray* iAllContactItemsFromDb;
+/**
+* The contact manager for accessing the phone contacts
+* Own.
+*/
+CVPbkContactManager*  iContactManager;
+/**
+* The contact Uri Array
+* Own.
+*/
+CVPbkContactStoreUriArray* iCurrentlyOpenStores;
+/**
+* The contact operation. Used during Find operation
+* Own.
+*/
+MVPbkContactOperationBase* iVPbkOperation;
+/**
+* The Field types to be searched.Used during Find operation
+* Own.
+*/
+CVPbkFieldTypeRefsList* iFieldTypeRefList ;
+/**
+* The contact data to be searched
+* Own.
+*/
+HBufC* iContactsDataTobeSearched ;
+/**
+* The file session
+*/
+	RFs ifSession;
+	/**
+* Title,snippet,current contact data buffers
+*/
+HBufC* iCurrentTitle;
+HBufC8* iCurrentSnippet;
+HBufC* iCurrentContactDataString;
+HBufC* iBufferForQuery;
+/**
+* The contact link currently being accessed
+* Own
+*/
+TInt iCurrentContactLinkIndex;
+/**
+* The array containing the heavy results data
+* Own
+*/
+RPointerArray<CSearchResult> iHeavyResultsArray;
+/**
+* The search strings used for searching in the contacts database
+* Own
+*/
+CDesCArrayFlat* iSearchStrings;
+/**
+* The array containing the map data from iHeavyResultsArray to
+* iAllContactItemsFromDb
+*
+*/
+RArray<TInt>    iContactArrayMapper;
+/**
+* The array containing data for deleted contacts
+*
+*/
+RArray<TBool> iCotnactDeletedList;
+/**
+* The current database item in use
+*
+*/
+TBool iIsFilterView;
+MVPbkContactViewBase* iContactViewBase;
+MVPbkContactViewBase* iFilterView;
+TInt iCurrentDatatBaseItemIndex;
+};
+#endif //C_CCONTACTSSEARCHER_H