logsui/logsserviceextension/inc/clogsextensioncchhandler.h
changeset 0 e686773b3f54
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/logsui/logsserviceextension/inc/clogsextensioncchhandler.h	Tue Feb 02 10:12:17 2010 +0200
@@ -0,0 +1,159 @@
+/*
+* Copyright (c) 2008 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:  Class handling CCH connection
+*
+*/
+
+
+#ifndef     C_LOGSEXTENSIONCCHHANDLER_H
+#define     C_LOGSEXTENSIONCCHHANDLER_H
+
+#include <e32base.h>
+#include <cchclientserver.h>
+
+#include "mlogsextensioncchhandlerobserver.h"
+
+class RCCHServer;
+class RCCHClient;
+
+// CLASS DECLARATION
+
+NONSHARABLE_CLASS( CLogsExtensionCchHandler ) : public CActive
+    {
+public:
+
+    /**
+     * Two-phased constructor.
+     *
+     * @param aObserver Observer for CCH events
+     * @param aServiceId, service id to monitor
+     */
+    static CLogsExtensionCchHandler* NewL( 
+        MLogsExtensionCchHandlerObserver* aObserver,
+        TUint aServiceId );
+
+    /**
+     * Two-phased constructor
+     *
+     * @param aObserver Observer for CCH events
+     * @param aServiceId, service id to monitor
+     */
+    static CLogsExtensionCchHandler* NewLC( 
+        MLogsExtensionCchHandlerObserver* aObserver,
+        TUint aServiceId );
+        
+    /**
+     * Standard C++ destructor
+     */    
+    ~CLogsExtensionCchHandler();
+        
+    /**
+     * Resolves sub service state for given service id
+     *
+     * @since S60 3.2
+     * @param aServiceId, service id
+     * @param aCchErr, service error is stored here
+     */                                    
+    void ResolveSubServiceState( TUint aServiceId, TInt& aCchErr );
+        
+private: // From CActive
+
+    /**
+     * From CActive
+     * Called when asynchronous event occures
+     *
+     * @since S60 3.2
+     */
+    void RunL();
+
+    /**
+     * From CActive
+     * Called when this active object is cancelled.
+     *
+     * @since S60 3.2
+     */
+    void DoCancel();
+
+    /**
+     * From CActive
+     * Asynchronous error
+     *
+     * @since S60 3.2
+     * @param aError, error code
+     * @return TInt, error 
+     */
+    TInt RunError( TInt aError );
+    
+private: // Implementation
+
+    /**
+     * Standard C++ constructor
+     */    
+    CLogsExtensionCchHandler();
+        
+    /**
+     * Performs the 2nd phase of construction.
+     *
+     * @param aObserver, Observer
+     * @param aServiceId, serviceId
+     */        
+    void ConstructL( 
+        MLogsExtensionCchHandlerObserver* aObserver,
+        TUint aServiceId );
+
+    /**
+     * Gets service state
+     *
+     * @since S60 3.2
+     * @param aServiceSelection service selection for query
+     * @param aServiceState service state (result)
+     * @return TInt Standard Symbian error code
+     */
+    TInt GetServiceState( 
+        TServiceSelection aServiceSelection, 
+        TCCHSubserviceState& aServiceState );
+
+private: // Data
+    
+    /** 
+     * NOT OWNED
+     */
+    MLogsExtensionCchHandlerObserver* iObserver;
+
+    /**
+     * Own: CCH Server
+     */
+    RCCHServer* iCchServer;
+        
+    /**
+     * Own: CCH Client
+     */
+    RCCHClient* iCchClient;
+        
+    /**
+     * Stores service status information
+     */
+    TPckgBuf<TServiceStatus> iServiceStatus;
+        
+    /**
+     * Stores service selection (ie. sub services we are
+     * interested in
+     */
+    TServiceSelection iServiceSelection;
+
+    };
+
+#endif // C_LOGSEXTENSIONCCHHANDLER_H
+
+// End of file