1 // Copyright (c) 1997-2009 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 // Send/Expect Algorithms

    15 // 

    16 //

    17 

    18 /**

    19  @file

    20  @internalAll 

    21 */

    22 

    23 #ifndef __SCHAT_H__

    24 #define __SCHAT_H__

    25 

    26 #include <e32base.h>

    27 /**

    28 @internalComponent

    29 */

    30 const TInt KChatBufferSize = 400; //increased from 200 to stop WrapCnt overrunning due to concatenated messages!!

    31 

    32 class CCommChatString;

    33 class MCommChatNotify

    34 /**

    35 @internalComponent

    36 */

    37 	{

    38 public:

    39 	virtual void ChatStringMatchL(CCommChatString* aCs)=0;

    40 	virtual void ChatTimeout()=0;

    41 	};

    42 

    43 class CCommChatter : public CTimer

    44 /**

    45 @internalComponent

    46 */

    47 	{

    48 public:

    49 	CCommChatter(MCommChatNotify* aNotify, TInt aPriority);

    50 	virtual ~CCommChatter();

    51 	void CreateL(TInt aBufferSize);

    52 	void AddCharL(TText8 aChar);

    53 	CCommChatString* AddStringL(const TDesC8& aString, TBool aPartLine);

    54 	void RemoveString(CCommChatString* aString);

    55 	TPtrC8 Buffer() const;

    56 	TPtrC8 CurrentLine() const;

    57 	void ClearBuffer();

    58 	void ClearCurrentLine();

    59 	void StartTimer(const TTimeIntervalMicroSeconds32 aTimeout);

    60 	void StopTimer();

    61 	void DeleteAllAndStop();

    62 protected:

    63 	virtual void RunL();

    64 protected:

    65 	MCommChatNotify* iNotify;

    66 	TDblQue<CCommChatString> iList;

    67 	TText8* iBuffer;

    68 	TText8* iBufferEnd;

    69 	TText8* iLastChar;			// Last character added

    70 	TText8* iLineStart;			// Start of \r\n delimited line

    71 	TBool iInDelimiter;

    72 	TInt iPartLineMatchers;		// count of CCommChatStrings which need partial line matches

    73 	};

    74 

    75 class CCommChatString : public CBase

    76 /**

    77 @internalComponent

    78 */

    79 	{

    80 public:

    81 	static CCommChatString* NewL(const TDesC8& aDes, TBool aIsPartialLine);

    82 	CCommChatString();

    83 	virtual ~CCommChatString();

    84 	void CreateL(const TDesC8& aDes, TBool aIsPartialLine);

    85 	inline const TPtrC8& Des() const {return iMatch;};

    86 protected:

    87 	TBool iIsPartialLine;

    88 	TPtrC8 iMatch;

    89 private:

    90 	friend class CCommChatter;

    91 	TDblQueLink iLink;

    92 	};

    93 

    94 #endif