1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  

    15 *

    16 */

    17 

    18 

    19 #ifndef __WRITERCONTROLLER_H__

    20 #define __WRITERCONTROLLER_H__

    21 

    22 // system includes

    23 #include <utf.h>

    24 #include <e32cmn.h>

    25 

    26 

    27 // The user-interface to the sampling device driver sued by the profiling engine

    28 // user includes

    29 #include <piprofiler/ProfilerConfig.h>

    30 #include <piprofiler/ProfilerVersion.h>

    31 #include <piprofiler/WriterPluginInterface.h>

    32 

    33 #include "WriterPluginLoader.h"

    34 

    35 /*

    36  *	Forward declarations

    37  */

    38 class TBapBuf;

    39 class CWriterPluginLoader;

    40 class CWriterPluginInterface;

    41 

    42 /**

    43  * The writer controller for handling the available Data writer plugins.

    44  */

    45   

    46 class CWriterController : public CBase, MWriterPluginLoadObserver

    47 	{

    48 	

    49 public:

    50 	static CWriterController* NewL(CProfilerSampleStream& aStream);

    51 	void ConstructL();

    52 	

    53 	CWriterController(CProfilerSampleStream& aStream);

    54     ~CWriterController();

    55 	

    56 	/** 

    57 	 * 

    58 	 * Methods for user mode sampling

    59 	 * 

    60 	 **/

    61 	

    62 	/** Initialise the user mode samplers **/					

    63 	void InitialiseWriterListL();

    64 	

    65 	/* Overrider of MSamplerPluginLoaderObserver class **/

    66 	void HandlePluginLoaded( KWriterPluginLoaderStatus /*aStatus*/ );

    67 	

    68 	/* returns the matching plugin Uid */

    69 	TUid GetPluginUID(TInt traceId);

    70 	

    71 	CWriterPluginInterface* GetActiveWriter();

    72 	

    73 	 /** Returns the sampler type (kernel/user) **/

    74 	TUint32 GetWriterType(TUint32 samplerId);

    75 

    76 	/** Set additional settings for a trace **/			

    77 	TInt AdditionalUserTraceSettings(TInt traceId, TInt settings);

    78 

    79 	/** Set data stream for samplers **/

    80 	//void SetSampleStream(RProfilerSampleStream* iStream);

    81 

    82 	TInt StartSelectedPlugin();

    83 

    84 	void StopSelectedPlugin();

    85 

    86 	/** Set selected plugin active **/

    87 	void SetPluginActive(TUid uid, const TWriterPluginValueKeys aKey);

    88 

    89 	TInt SetPluginSettings(TUid aUid, TDes& aDes);

    90 	

    91 	/** Get settings for a specific plugin **/

    92 	void GetPluginSettings(TUid uid, TDes& aVal);

    93 	

    94 	/** Request stream read **/

    95 	//void FillThisStreamBuffer(TBapBuf* aBuffer, TRequestStatus& aStatus);

    96 	

    97 	CWriterPluginInterface* GetPlugin(TUid aUid);

    98 	

    99 	CArrayPtrFlat<CWriterPluginInterface>* GetPluginList();

   100 	

   101 	void InitialisePluginStream();

   102 public:

   103     CArrayPtrFlat<CWriterPluginInterface>* iPluginArray;

   104     

   105     // Asynchronous loader for the writer plug-ins.

   106     CWriterPluginLoader* iPluginLoader;

   107     

   108     // UID of the selected plugin in the container's lbx.

   109     TUid iSelectedPluginUid;

   110     

   111     CProfilerSampleStream& iStream;

   112 };

   113 

   114 	

   115 #endif	// __WRITERCONTROLLER_H__