Symaptic: os/persistentdata/loggingservices/eventlogger/LogCli/inc/LogViewWindowFetcher.h@260cb5ec6c19

     1 // Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

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

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    16 #ifndef __LOGVIEWWINDOWFETCHER_H__

    17 #define __LOGVIEWWINDOWFETCHER_H__

    19 // System includes

    20 #include <e32base.h>

    22 // User includes

    23 #include <logwrap.h>

    24 #include "LogCliServShared.h"

    25 #include <logviewchangeobserver.h>

    27 // Classes referenced

    28 class RLogSession;

    31 /////////////////////////////////////////////////////////////////////////////////////////

    32 // -----> MLogViewWindowFetcherObserver (header)

    33 /////////////////////////////////////////////////////////////////////////////////////////

    34 class MLogViewWindowFetcherObserver

    35 /**

    36 @internalComponent

    37 */

    38 	{

    39 public:

    40 	virtual void HandleFetchedWindowItemL(TInt aItemIndex, CLogEvent* aEvent) = 0;

    41 	};

    44 /////////////////////////////////////////////////////////////////////////////////////////

    45 // -----> CLogViewWindowFetcher (header)

    46 /////////////////////////////////////////////////////////////////////////////////////////

    47 NONSHARABLE_CLASS(CLogViewWindowFetcher) : public CActive

    48 /**

    49 @internalComponent

    50 */

    51 	{

    52 public:

    53 	CLogViewWindowFetcher(RLogSession& aSession, TLogViewId aViewId, MLogViewWindowFetcherObserver& aObserver, TInt aPriority);

    54 	~CLogViewWindowFetcher();

    55 	void ConstructL();

    57 public:

    59 	/**

    60 	 * Fetch the specified window.

    61 	 */

    62 	void PrepareToFetchWindowL(const TLogWindowAndCursor& aRequestedWindow);

    64 	/**

    65 	 * Start the asynchronous fetch

    66 	 */

    67 	void Start(TRequestStatus& aObserver);

    69 	/**

    70 	 * Cancel any fetch operation but without notifying the observer

    71 	 */

    72 	void SilentCancel();

    74 	/**

    75 	 * Access the window & cursor for the requested window

    76 	 */

    77 	inline const TLogWindowAndCursor& RequestedWindow() const;

    79 private:

    80 	void Fetch(const TLogWindow& aWindow);

    81 	void CompleteObserver(TInt aError);

    83 private: // FROM CActive

    84 	void RunL();

    85 	void DoCancel();

    86 	TInt RunError(TInt aError);

    88 private:

    89 	RLogSession& iSession;

    90 	const TLogViewId iViewId;

    91 	MLogViewWindowFetcherObserver& iObserver;

    93 private:

    94 	TLogWindowAndCursor iRequestedWindow;

    95 	//

    96 	TRequestStatus* iObserverRequestStatus;

    97 	CBufBase* iBuffer;

    98 	TPtr8 iBufferPointer;

    99 	TPckgBuf<TLogTransferWindow> iFetchWindowData;

   100 	TPckgBuf<TLogClientServerData> iData;

   101 	TLogWindowAndCursor iWindowReq;

   102 	};

   105 /////////////////////////////////////////////////////////////////////////////////////////

   106 // -----> CLogViewWindowFetcher (inline)

   107 /////////////////////////////////////////////////////////////////////////////////////////

   108 inline const TLogWindowAndCursor& CLogViewWindowFetcher::RequestedWindow() const

   109 	{

   110 	return iRequestedWindow;

   111 	}

   113 #endif

author	sl
	Tue, 10 Jun 2014 14:32:02 +0200
changeset 1	260cb5ec6c19
permissions	-rw-r--r--