predictivesearch/adapters/contacts/inc/cpcscontactstore.h
branchRCL_3
changeset 63 f4a778e096c2
child 64 c1e8ba0c2b16
child 85 38bb213f60ba
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/predictivesearch/adapters/contacts/inc/cpcscontactstore.h	Wed Sep 01 12:29:52 2010 +0100
@@ -0,0 +1,374 @@
+/*
+* Copyright (c) 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:  Active object that reads all the contacts/groups from vpbk
+*
+*/
+
+
+#ifndef C_PCS_CONTACT_STORE_H
+#define C_PCS_CONTACT_STORE_H
+
+// SYSTEM INCLUDES
+#include <f32file.h>
+#include <badesca.h>
+#include <e32std.h>
+#include <e32cmn.h>
+#include <MVPbkContactStoreListObserver.h>
+#include <MVPbkContactFindFromStoresObserver.h>
+#include <MVPbkSingleContactOperationObserver.h>
+#include <MVPbkContactViewObserver.h>
+#include <CVPbkContactManager.h>
+
+// USER INCLUDES
+#include "mdatastoreobserver.h"
+#include "PSContactsAdapterInternalCRKeys.h"
+
+// FORWARD DECLARATIONS
+class CPsData;
+class CVPbkContactManager;
+class CVPbkContactLinkArray;
+class MVPbkContactOperationBase;
+class MVPbkBaseContact;
+class CVPbkFieldTypeRefsList;
+class MVPbkContactViewObserver;
+class CPbk2SortOrderManager;
+
+/**
+ * States involved in fetching the contacts
+ */
+enum
+{
+    ECreateView,
+    EFetchAllLinks,
+    EFetchContactBlock,
+    EComplete
+};
+
+/**
+ *  This class represents the data store for the contacts
+ *  Each data store (phonecontacts, simcontact, group contacts) is an
+ *  instance of this class
+ *  @lib pscontactsadapter.lib
+ */
+class CPcsContactStore: public CActive,
+                        public MVPbkSingleContactOperationObserver,
+                        public MVPbkContactViewObserver
+
+{
+    public:
+
+        /**
+         * 2 phase construction
+         * @param aContactManager - the contact manager
+         * @param aObserver - observer for receiving data
+         * @param aUri - the data store uri
+         * @return returns pointer to the constructed object of type CPcsContactStore
+         */
+        static CPcsContactStore* NewL(CVPbkContactManager& aContactManager,
+                                      MDataStoreObserver& aObserver,
+                                      const TDesC& aUri);
+
+        /**
+         * Destructor
+         */
+        virtual ~CPcsContactStore();
+
+        /**
+         * Handles store events (contact/group addition/modification/deletion etc.)
+         * @param aContactStore - the contact store
+         * @param aStoreEvent - store event
+         */
+        void HandleStoreEventL(MVPbkContactStore& aContactStore,
+                               TVPbkContactStoreEvent aStoreEvent);
+
+        /**
+         * Gets the store Uri
+         * @return - the store uri supported by this instance
+         */
+        TDesC& GetStoreUri();
+
+    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 :
+
+        // From base class MVPbkContactViewObserver
+
+        void ContactViewReady(
+                    MVPbkContactViewBase& aView );
+
+        void ContactViewUnavailable(
+                    MVPbkContactViewBase& aView );
+
+        void ContactAddedToView(
+                    MVPbkContactViewBase& aView,
+                    TInt aIndex,
+                    const MVPbkContactLink& aContactLink );
+
+        void ContactRemovedFromView(
+                    MVPbkContactViewBase& aView,
+                    TInt aIndex,
+                    const MVPbkContactLink& aContactLink );
+
+        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.
+         * @param aError - The error code
+         */
+        TInt RunError( TInt aError );
+
+    private:
+
+        /**
+         * Constructor
+         */
+        CPcsContactStore();
+
+        /**
+         * 2nd phase constructor
+         */
+        void ConstructL(CVPbkContactManager& aContactManager, MDataStoreObserver& aObserver,const TDesC& aUri);
+
+        /**
+         * Check next state of state machine for contacts retrieval and perform transition 
+         */
+        void CheckNextState();
+
+        /**
+         * 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, CPsData* aPhoneData );
+
+        /**
+         * Add the data from contact fields
+         * @param aContact - The contact from database
+         * @param afieldtype - Field to be added
+         * @param aPhoneData - the contact data in PS format
+         */
+        void AddContactFieldsL(MVPbkBaseContact& aContact, TInt afieldtype, CPsData* aPhoneData);
+
+        /**
+         * Fetches the  data from contact links from the view
+         */
+        void FetchAllInitialContactLinksL();
+        void FetchContactsBlockL();
+
+        /**
+         * Reads the fields to cache from the central repository
+         */
+        void ReadFieldsToCacheFromCenrepL();
+
+        /**
+         * Creates a cacheId corresponding to sim Id Array Index
+         * @param - aSimId - The sim id
+         */
+        TInt CreateCacheIDfromSimArrayIndex(TInt aSimId);
+
+        /**
+         * Creates the contact fetch view
+         */
+        void CreateContactFetchViewL();
+
+        /**
+         * Issues request to active object to call RunL method
+         */
+        void IssueRequest( TInt aTimeDelay );
+
+        /**
+         * Creates a sort order depending on the fields specified in the cenrep
+         * @param aMasterList - aMasterList (i.e list containing all the vpbk fields)
+         */
+        void CreateSortOrderL(const MVPbkFieldTypeList& aMasterList);
+        
+        /**
+         * Checks if contact is my card
+         */
+        TBool IsMyCard( const MVPbkBaseContact& aContact );
+
+    private:
+
+        RPointerArray<MVPbkContactLink> iInitialContactLinks;
+
+        /**
+         * Flags for store operations
+         */
+        TInt iInitialContactCount; // Initial contact count in a view
+        TInt iFetchBlockLowerNumber;
+        TInt iFetchBlockUpperNumber;
+        TInt iVPbkCallbackCount;
+        TBool iContactViewReady;
+        TCachingStatus iOngoingCacheUpdate;
+
+        /**
+         * Variable to store the next state for the RunL to take appropriate action
+         */
+        TInt iNextState;
+
+        /**
+         * The contact manager for accessing the phone contacts
+         * Not Own.
+         */
+        CVPbkContactManager* iContactManager;
+
+        /**
+         * Holds a view base instance
+         * Own.
+         */
+        MVPbkContactViewBase* iContactViewBase;
+
+        /**
+         * Holds a contact operation
+         * Own.
+         */
+        MVPbkContactOperationBase* iOp;
+
+        /**
+         * Owns an instance of active scheduler wait
+         */
+        CActiveSchedulerWait *iWait;
+
+        /**
+         * data fields to be cached(read from the central repository)
+         */
+        RArray<TInt> iFieldsToCache;
+
+        /**
+         * Array of contact links
+         */
+        CVPbkContactLinkArray *iSimContactItems;
+
+        /**
+         * Holds the observer object to communicate add/modify/delete of contacts
+         * Not owned.
+         */
+        MDataStoreObserver* iObserver;
+
+        /**
+         * Contacts Database URI
+         */
+        HBufC* iUri;
+
+        /**
+         * File session
+         */
+        RFs iFs;
+
+        /**
+         * RTimer variable to set the timer before RunL calls any function.
+         * This is required to allow other threads to run since contact fetch
+         * is CPU intensive task.
+         */
+        RTimer iTimer;
+
+        /**
+         * Holds the sort order fields
+         */
+        CVPbkFieldTypeRefsList *iSortOrder;
+        
+        /**
+         * Holds MyCard supported status
+         */
+        TBool iMyCardSupported;
+		
+        /**
+		 * Own. Sort order for all contacts view
+		 */
+        CPbk2SortOrderManager* iSortOrderMan;
+};
+
+#endif // C_PCS_CONTACT_STORE_H