logsui/logsserviceextension/inc/clogsextpresentityidfetcher.h
changeset 0 e686773b3f54
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/logsui/logsserviceextension/inc/clogsextpresentityidfetcher.h	Tue Feb 02 10:12:17 2010 +0200
@@ -0,0 +1,320 @@
+/*
+* 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:  Fetches the presence id of a certain contact link
+*
+*/
+
+
+#ifndef C_CLOGSEXTPRESENTITYIDFETCHER_H
+#define C_CLOGSEXTPRESENTITYIDFETCHER_H
+
+#include <e32base.h>
+#include <MVPbkSingleContactOperationObserver.h>
+#include <MVPbkContactStoreObserver.h>
+
+#include "logwrap.h"
+
+class MLogsExtPresentityIdFetcherObserver;
+class MVPbkContactOperationBase;
+class MVPbkContactLinkArray;
+class CVPbkContactManager;
+class MVPbkContactStore;
+class CSPSettings;
+
+/**
+ * Presentity Id fetcher class.
+ *
+ * @since S60 v3.2
+ */
+NONSHARABLE_CLASS(CLogsExtPresentityIdFetcher) : 
+        public CBase,
+        public MVPbkSingleContactOperationObserver,        
+        public MVPbkContactStoreObserver
+    {
+    
+    friend class ut_clogsextfetchdonelistener;
+    
+public:     
+        
+    /**
+     * Creates a new CLogsExtPresentityIdFetcher.
+     *
+     * @since S60 v3.2
+     * @param aServiceId a service id
+     * @param aCntLink a contact link
+     * @param aLogId the log id of the log event that this presentity id is 
+     *        fetched for
+     * @param aObserver the observer of this fetching process
+     * @return a new CLogsExtPresentityIdFetcher instance
+     */       
+    static CLogsExtPresentityIdFetcher* NewL( 
+        const TUint32 aServiceId, 
+        const TDesC8& aCntLink,
+        const TLogId aLogId,
+        MLogsExtPresentityIdFetcherObserver& aObserver );
+
+    /**
+     * Creates a new CLogsExtPresentityIdFetcher.
+     *
+     * @since S60 v3.2
+     * @param aServiceId a service id
+     * @param aCntLink a contact link 
+     * @param aLogId the log id of the log event that this presentity id is 
+     *        fetched for
+     * @param aObserver the observer of this fetching process
+     * @return a new CLogsExtPresentityIdFetcher instance
+     */        
+    static CLogsExtPresentityIdFetcher* NewLC( 
+        const TUint32 aServiceId,
+        const TDesC8& aCntLink,
+        const TLogId aLogId,
+        MLogsExtPresentityIdFetcherObserver& aObserver );
+        
+    /**
+     * Destructor.
+     */
+    ~CLogsExtPresentityIdFetcher();        
+
+public: 
+    
+    /**
+     * Starts the fetching of the presentity id.
+     *
+     * @since S60 v3.2
+     * @return system-wide error code
+     */           
+    TInt Fetch();
+
+    /**
+     * Returns the service id.
+     *
+     * @since S60 v3.2
+     * @return the service id
+     */ 
+    TUint32 ServiceId();
+    
+    /**
+     * Returns the unique log event id the presentity id is fetched for.
+     *
+     * @since S60 v3.2
+     * @return the unique log event id
+     */
+    TLogId LogId();
+    
+    /**
+     * Returns the presentity id.
+     *
+     * @since S60 v3.2
+     * @return the presentity id
+     */
+    const TDesC& PresentityId();    
+
+private:
+
+// from base class MVPbkSingleContactOperationObserver
+
+    /**
+     * From MVPbkSingleContactOperationObserver
+     * Called when the operation is completed.
+     *
+     * @since S60 v3.2
+     * @param aOperation The completed operation.
+     * @param aContact The contact returned by the operation.
+     *                 A client must take the ownership immediately.
+     *
+     */
+    void VPbkSingleContactOperationComplete(
+            MVPbkContactOperationBase& aOperation,
+            MVPbkStoreContact* aContact );
+
+    /** 
+     * From MVPbkSingleContactOperationObserver
+     * Called if the operation fails.
+     *
+     * @since S60 v3.2
+     * @param aOperation The failed operation.
+     * @param aError An error code of the failure.
+     */
+    void VPbkSingleContactOperationFailed(
+            MVPbkContactOperationBase& aOperation, 
+            TInt aError );
+
+private:
+
+// from base class MVPbkContactStoreObserver
+
+    /** 
+     * From MVPbkContactStoreObserver
+     * Called when a contact store is ready to use.
+     *
+     * @since S60 v3.2
+     * @param aContactStore The store that is ready.
+     */
+    void StoreReady( MVPbkContactStore& aContactStore );
+
+    /** 
+     * From MVPbkContactStoreObserver
+     * 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).
+     *
+     * @since S60 v3.2
+     * @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 MVPbkContactStoreObserver
+     * Called when changes occur in the contact store.
+     *
+     * @since S60 v3.2
+     * @see TVPbkContactStoreEvent
+     * @param aContactStore A store whose event it is.
+     * @param aStoreEvent The event that has occurred.
+     */
+    void HandleStoreEventL(
+            MVPbkContactStore& aContactStore, 
+            TVPbkContactStoreEvent aStoreEvent );
+    
+private:
+
+    /**
+     * Symbian second-phase constructor
+     *
+     * @since S60 v3.2
+     * @param aCntLink a contact link
+     */                    
+    void ConstructL( const TDesC8& aCntLink );
+    
+    /**
+     * Constructor.
+     *
+     * @since S60 v3.2
+     * @param aServiceId a service id
+     * @param aLogId a unique log event id
+     * @param aObserver observer of this fetcher
+     */
+    CLogsExtPresentityIdFetcher( 
+        const TUint32 aServiceId,
+        const TLogId aLogId,                               
+        MLogsExtPresentityIdFetcherObserver& aObserver );
+        
+    /**
+     * Starts the fetching. 
+     *
+     * @since S60 v3.2
+     */           
+    void DoPresenceIdFetchL();        
+      
+    /**
+     * Retrieves the contact store id of a certain service from the service
+     * provider settings table. 
+     *
+     * @since S60 v3.2
+     * @param aSPSettings Service provider settings API      
+     */      
+    void GetContactStoreIdL( CSPSettings& aSPSettings );
+    
+    /**
+     * Retrieves the FieldType of a certain service from the service
+     * provider settings table.
+     *
+     * @since S60 v3.2
+     * @param aSPSettings Service provider settings API 
+     */     
+    void GetPresentityIDFieldTypeL( CSPSettings& aSPSettings );
+    
+    /**
+     * Handles the completion of an operation.
+     *
+     * @since S60 v3.2
+     * @param aContact The contact returned by the operation.
+     *                 A client must take the ownership immediately.
+     */
+    void HandleRetrievedContactL( MVPbkStoreContact* aContact );
+
+    
+private: // data
+        
+    /**
+     * Service id
+     */
+    TUint32 iServiceId;
+    
+    /**
+     * Field type resource id.
+     */
+    TInt iFieldTypeResId;
+    
+    /**
+     * Unique event ID associated with a log event.
+     */
+    TLogId iLogId;
+    
+    /**
+     * The observer of this fetcher. 
+     * Not own.
+     */
+    MLogsExtPresentityIdFetcherObserver* iObserver;
+    
+    /**
+     * Contact store.
+     * Not own.
+     */
+    MVPbkContactStore* iCntStore;
+    
+    /**
+     * Contact link. Note: this contact link descriptor should have been 
+     * obtained using the MVPbkStreamable interface of the virtual phonebook
+     * Own.
+     */
+    HBufC8* iCntLink;
+    
+    /**
+     * Presentity Id.
+     * Own.
+     */
+    HBufC* iPresentityId;
+    
+    /**
+     * Contact store id.
+     * Own.
+     */
+    HBufC* iContactStoreId;    
+            
+    /**
+     * Contact Manager.
+     * Own.
+     */
+    CVPbkContactManager* iContactManager;
+    
+    /**
+     * Contact link array.
+     * Own.
+     */
+    MVPbkContactLinkArray* iContactLinkArray;
+    
+    /**
+     * Contact operation base.
+     * Own.
+     */
+    MVPbkContactOperationBase* iContactOperationBase;
+    
+    };
+
+#endif // C_CLOGSEXTPRESENTITYIDFETCHER_H