libraries/btrace_parser/src/btrace_appstart.cpp
changeset 95 b3ffff030d5c
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94:8df58d8c99e8 95:b3ffff030d5c
       
     1 // btrace_appstart.cpp
       
     2 // 
       
     3 // Copyright (c) 2008 - 2010 Accenture. All rights reserved.
       
     4 // This component and the accompanying materials are made available
       
     5 // under the terms of the "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 // Accenture - Initial contribution
       
    11 //
       
    12 
       
    13 #include "btrace_parser.h"
       
    14 #include <fshell/common.mmh>
       
    15 
       
    16 
       
    17 //
       
    18 // CBtraceAppStart
       
    19 //
       
    20 
       
    21 EXPORT_C CBtraceAppStart* CBtraceAppStart::NewL(CBtraceReader& aReader, CBtraceContext& aContext)
       
    22 	{
       
    23 	CBtraceAppStart* self = new (ELeave) CBtraceAppStart(aReader, aContext);
       
    24 	CleanupStack::PushL(self);
       
    25 	self->ConstructL();
       
    26 	CleanupStack::Pop(self);
       
    27 	return self;
       
    28 	}
       
    29 
       
    30 CBtraceAppStart::CBtraceAppStart(CBtraceReader& aReader, CBtraceContext& aContext)
       
    31 	: iReader(aReader), iContext(aContext)
       
    32 	{
       
    33 	}
       
    34 
       
    35 EXPORT_C CBtraceAppStart::~CBtraceAppStart()
       
    36 	{
       
    37 	iReader.RemoveObserver(KAmTraceCategory, *this);
       
    38 	iNotifs.Close();
       
    39 	}
       
    40 
       
    41 void CBtraceAppStart::ConstructL()
       
    42 	{
       
    43 	iReader.AddObserverL(KAmTraceCategory, *this);
       
    44 	}
       
    45 
       
    46 void CBtraceAppStart::HandleBtraceFrameL(const TBtraceFrame& aFrame)
       
    47 	{
       
    48 	if (aFrame.iCategory != KAmTraceCategory) return;
       
    49 
       
    50 	switch (aFrame.iSubCategory)
       
    51 		{
       
    52 		case EAmTraceSubCategoryEvCapture:
       
    53 			{
       
    54 			const TUint32* data = reinterpret_cast<const TUint32*>(aFrame.iData.Ptr());
       
    55 			const TAmTraceEventEvCapture event = static_cast<TAmTraceEventEvCapture>(*data++);
       
    56 
       
    57 			switch (event)
       
    58 				{
       
    59 				case EAmTraceEventEvCaptureAppStart:
       
    60 					{
       
    61 					const TInt32 wgId = *data++;
       
    62 					SeenAppStartL(aFrame.iTickCount, wgId);
       
    63 					}
       
    64 				break;
       
    65 				
       
    66 				default:
       
    67 					// ignore the event
       
    68 				break;
       
    69 				};
       
    70 			}
       
    71 		break;
       
    72 
       
    73 		default:
       
    74 			// ignore anything we don't know about.
       
    75 		break;
       
    76 		};
       
    77 	}
       
    78 
       
    79 void CBtraceAppStart::SeenAppStartL(const TBtraceTickCount& aTickCount, TInt aWindowGroupId)
       
    80 	{
       
    81 	const TBtraceWindowGroupId* btraceWgId = iContext.FindWindowGroup(aWindowGroupId);
       
    82 	if (btraceWgId)
       
    83 		{
       
    84 		TInt ii = iNotifs.Count();
       
    85 		while (--ii >= 0)
       
    86 			{
       
    87 			TAppStartNotif& nt = iNotifs[ii];
       
    88 			if (iContext.WindowGroupName(*btraceWgId).MatchF(nt.iWindowGroupNamePattern) != KErrNotFound)
       
    89 				{
       
    90 				MBtraceAppStartObserver& observer = nt.iObserver;
       
    91 				if (nt.iPersistence == ENotificationOneShot)
       
    92 					{
       
    93 					iNotifs.Remove(ii);
       
    94 					}
       
    95 				observer.HandleAppStartL(aTickCount);
       
    96 				}
       
    97 			}	
       
    98 		}
       
    99 	}
       
   100 
       
   101 EXPORT_C void CBtraceAppStart::NotifyAppStartL(MBtraceAppStartObserver& aObserver, const TDesC& aWindowGroupNamePattern)
       
   102 	{
       
   103 	NotifyAppStartL(aObserver, aWindowGroupNamePattern, ENotificationOneShot);
       
   104 	}
       
   105 
       
   106 EXPORT_C void CBtraceAppStart::NotifyAppStartL(MBtraceAppStartObserver& aObserver, const TDesC& aWindowGroupNamePattern, TBtraceNotificationPersistence aPersistence)
       
   107 	{
       
   108 	TAppStartNotif notify(aObserver, aWindowGroupNamePattern, aPersistence);
       
   109 	User::LeaveIfError(iNotifs.Append(notify));
       
   110 	}
       
   111 
       
   112 EXPORT_C void CBtraceAppStart::CancelNotifyAppStart(MBtraceAppStartObserver& aObserver)
       
   113 	{
       
   114 	for (TInt i = (iNotifs.Count() - 1); i >= 0; --i)
       
   115 		{
       
   116 		if (&iNotifs[i].iObserver == &aObserver)
       
   117 			{
       
   118 			iNotifs.Remove(i);
       
   119 			}
       
   120 		}
       
   121 	}
       
   122 
       
   123 
       
   124 //
       
   125 // CBtraceAppStart::TAppStartNotif
       
   126 //
       
   127 
       
   128 CBtraceAppStart::TAppStartNotif::TAppStartNotif(MBtraceAppStartObserver& aObserver, const TDesC& aWindowGroupNamePattern, TBtraceNotificationPersistence aPersistence)
       
   129 	: iObserver(aObserver), iWindowGroupNamePattern(aWindowGroupNamePattern), iPersistence(aPersistence)
       
   130 	{
       
   131 	}