1 // Copyright (c) 2007-2009 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 //

    15 

    16 #ifndef EVENTOUTPUTHANDLER_H

    17 #define EVENTOUTPUTHANDLER_H

    18 

    19 #include <vector>

    20 

    21 class CTraceEventBase;

    22 

    23 class MEventOutputHandler

    24     {

    25     public:

    26         inline bool ShowContextInfo() const

    27             {

    28             return iShowContextInfo;

    29             }

    30 

    31         inline bool SetShowContextInfo(bool aShowContextInfo)

    32             {

    33             bool lastValue = iShowContextInfo;

    34             iShowContextInfo = aShowContextInfo;

    35             return lastValue;

    36             }

    37 

    38         inline bool NewLineEnabled() const

    39             {

    40 			return iNewLineEnabledStack.size()? iNewLineEnabledStack.back(): false;

    41             }

    42 

    43         inline void PushNewLineEnabled(bool aNewLineEnabled)

    44             {

    45             iNewLineEnabledStack.push_back(aNewLineEnabled);

    46             }

    47 

    48         inline void PopNewLineEnabled()

    49             {

    50             iNewLineEnabledStack.pop_back();

    51             }

    52 

    53         inline void SetNewLineEnabled(bool aNewLineEnabled)

    54             {

    55             while (!iNewLineEnabledStack.empty())

    56                 {

    57                 iNewLineEnabledStack.pop_back();

    58                 }

    59             iNewLineEnabledStack.push_back(aNewLineEnabled);

    60             }

    61 

    62         virtual unsigned int CurrentFrame() const = 0;

    63         virtual void WriteEvent(const CTraceEventBase& aEvent) const = 0;

    64 

    65     private:

    66         std::vector<bool> iNewLineEnabledStack;

    67         bool iShowContextInfo;

    68     };

    69 

    70 #endif

    71 // EVENTOUTPUTHANDLER_H

    72