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 //

    15 

    16 #include "LogViewWindowChangeObserver.h"

    17 

    18 // Constants

    19 const TInt KLogViewIgnoreStackGranularity = 3;

    20 

    21 

    22 /////////////////////////////////////////////////////////////////////////////////////////

    23 // -----> CLogViewWindowChangeObserver (source)

    24 /////////////////////////////////////////////////////////////////////////////////////////

    25 

    26 CLogViewWindowChangeObserver::CLogViewWindowChangeObserver(MLogViewChangeObserverInternal& aObserver)

    27 :	iObserver(aObserver), iIgnoreStack(KLogViewIgnoreStackGranularity)

    28 	{

    29 	}

    30 

    31 CLogViewWindowChangeObserver::~CLogViewWindowChangeObserver()

    32 	{

    33 	iIgnoreStack.Close();

    34 	}

    35 

    36 /////////////////////////////////////////////////////////////////////////////////////////

    37 /////////////////////////////////////////////////////////////////////////////////////////

    38 /////////////////////////////////////////////////////////////////////////////////////////

    39 

    40 void CLogViewWindowChangeObserver::IgnoreNextEventL(TLogId aId, TType aType)

    41 	{

    42 	TIgnoreEvent event(aId, aType);

    43 	User::LeaveIfError(iIgnoreStack.Append(event));

    44 	}

    45 

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

    47 /////////////////////////////////////////////////////////////////////////////////////////

    48 /////////////////////////////////////////////////////////////////////////////////////////

    49 

    50 void CLogViewWindowChangeObserver::HandleLogViewChangeEventAddedL(TLogId aId, TInt aViewIndex, TInt aChangeIndex, TInt aTotalChangeCount)

    51 	{

    52 	const TInt index = Find(aId, ELogEventTypeAdd);

    53 	if	(index == KErrNotFound)

    54 		iObserver.HandleLogViewChangeEventAddedL(aId, aViewIndex, aChangeIndex, aTotalChangeCount);

    55 	else

    56 		iIgnoreStack.Remove(index);

    57 	}

    58 

    59 void CLogViewWindowChangeObserver::HandleLogViewChangeEventChangedL(TLogId aId, TInt aViewIndex, TInt aChangeIndex, TInt aTotalChangeCount)

    60 	{

    61 	const TInt index = Find(aId, ELogEventTypeChange);

    62 	if	(index == KErrNotFound)

    63 		iObserver.HandleLogViewChangeEventChangedL(aId, aViewIndex, aChangeIndex, aTotalChangeCount);

    64 	else

    65 		iIgnoreStack.Remove(index);

    66 	}

    67 

    68 void CLogViewWindowChangeObserver::HandleLogViewChangeEventDeletedL(TLogId aId, TInt aViewIndex, TInt aChangeIndex, TInt aTotalChangeCount)

    69 	{

    70 	const TInt index = Find(aId, ELogEventTypeDelete);

    71 	if	(index == KErrNotFound)

    72 		iObserver.HandleLogViewChangeEventDeletedL(aId, aViewIndex, aChangeIndex, aTotalChangeCount);

    73 	else

    74 		iIgnoreStack.Remove(index);

    75 	}

    76 

    77 /////////////////////////////////////////////////////////////////////////////////////////

    78 /////////////////////////////////////////////////////////////////////////////////////////

    79 /////////////////////////////////////////////////////////////////////////////////////////

    80 

    81 void CLogViewWindowChangeObserver::HandleLogViewChangeEventLogClearedL()

    82 	{

    83 	iObserver.HandleLogViewChangeEventLogClearedL();

    84 	}

    85 

    86 /////////////////////////////////////////////////////////////////////////////////////////

    87 /////////////////////////////////////////////////////////////////////////////////////////

    88 /////////////////////////////////////////////////////////////////////////////////////////

    89 

    90 TInt CLogViewWindowChangeObserver::Find(TLogId aId, TType aType) const

    91 	{

    92 	const TInt count = iIgnoreStack.Count();

    93 	for(TInt i=0; i<count; i++)

    94 		{

    95 		const TIgnoreEvent& event = iIgnoreStack[i];

    96 		if	(event.iId == aId && event.iType == aType)

    97 			return i;

    98 		}

    99 	return KErrNotFound;

   100 	}