--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/appfw/apparchitecture/aplist/aplapplist.cpp	Tue Feb 02 10:12:00 2010 +0200
@@ -0,0 +1,1767 @@
+// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// aplapplist.cpp
+//
+
+#include "aplapplist.h"
+#include "APGAPLST.H"			// KDefaultAppIconMbm
+#include "aplapplistitem.h"
+#include "../apgrfx/APGSTD.H"	// EPanicNullPointer
+#include "APFDEF.H"
+#include "../apparc/TRACE.H"
+#include "apgnotif.h"			// MApaAppListServObserver
+#include "aplappregfinder.h"	// CApaAppRegFinder
+#include <bautils.h>			// BaflUtils::NearestLanguageFile()
+#include <s32mem.h>				// RBufWriteStream
+#include "aplappinforeader.h"
+#include "apsiconcaptionoverride.h"
+#ifdef SYMBIAN_BAFL_SYSUTIL
+#include <bafl/sysutil.h>
+#endif
+
+
+// Delays in the pseudo idle object that builds the application list
+//
+
+const TInt KIdleStartDelay=0;
+const TInt KBufferExpansionGranularity = 0x100;
+const TInt KNumberOfIconsInDefaultMbm = 3;
+const TInt KAppListToFileStartDelay = 60000000;
+#ifdef SYMBIAN_BAFL_SYSUTIL
+const TInt KInfoBufLength=KSysUtilVersionTextLength;
+//This file is used for storing the rom version. If actual rom version differs from the one stored here the applist is not restored.
+//This file is versioned to avoid a data compatability break on adding further information to this file.
+//On adding further info to this file, KROMVersionCacheFileMajorVersion or KROMVersionCacheFileMinorVersion or KROMVersionCacheFileBuildVersion needs to be incremented appropriately.
+_LIT(KROMVersionStringCacheFileName, "ROMVersionCache.bin");
+const TInt8 KROMVersionCacheFileMajorVersion=1;
+const TInt8 KROMVersionCacheFileMinorVersion=0;
+const TInt16 KROMVersionCacheFileBuildVersion=0;
+#endif
+
+
+GLDEF_C void Panic(TApgPanic aPanic)
+	{
+	_LIT(KApGrfxPanic,"APGRFX");
+	User::Panic(KApGrfxPanic,aPanic);
+	}
+
+
+//
+// Class CApaLangChangeMonitor
+//
+
+/**
+Utility class used to monitor locale/language change event.
+@internalComponent
+*/
+NONSHARABLE_CLASS(CApaAppList::CApaLangChangeMonitor) : public CActive
+	{
+public:
+	static CApaLangChangeMonitor* NewL(CApaAppList& aAppList);
+	~CApaLangChangeMonitor();
+	void Start();
+private:
+	CApaLangChangeMonitor(CApaAppList& aAppList);
+	void ConstructL();
+private:	//from CActive
+	void RunL();
+	void DoCancel();
+	TInt RunError(TInt aError);
+private:
+	RChangeNotifier iLangNotifier;
+	CApaAppList& iAppList;
+	TLanguage iPrevLanguage;
+	};
+
+		
+//
+// Local functions
+//
+
+void CleanupServiceArray(TAny* aServiceArray)
+	{
+	__ASSERT_DEBUG(aServiceArray, Panic(EPanicNullPointer));
+	CArrayFixFlat<TApaAppServiceInfo>* serviceArray = static_cast<CArrayFixFlat<TApaAppServiceInfo>*>(aServiceArray);
+	const TInt serviceCount = serviceArray->Count();
+	
+	for (TInt i = serviceCount - 1; i >= 0; i--)
+		(*serviceArray)[i].Release();
+
+	delete serviceArray;
+	serviceArray = 0;
+	}
+
+
+//
+// Class CApaAppList
+//
+
+EXPORT_C CApaAppList* CApaAppList::NewL(RFs& aFs, TBool aLoadMbmIconsOnDemand, TInt aIdlePeriodicDelay)
+	{
+	CApaAppList* self=new (ELeave) CApaAppList(aFs, aLoadMbmIconsOnDemand, aIdlePeriodicDelay);
+	CleanupStack::PushL(self);
+	self->ConstructL();
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+CApaAppList::CApaAppList(RFs& aFs, TBool aLoadMbmIconsOnDemand, TInt aIdlePeriodicDelay)
+	:iFs(aFs),
+	iFlags(0),
+	iIdlePeriodicDelay(aIdlePeriodicDelay),
+	iLoadMbmIconsOnDemand(aLoadMbmIconsOnDemand),
+    iUninstalledApps(NULL)	
+	{
+	}
+
+void CApaAppList::ConstructL()
+	{
+	iAppRegFinder = CApaAppRegFinder::NewL(iFs);
+	
+	User::LeaveIfError(iFsShareProtected.Connect());
+	User::LeaveIfError(iFsShareProtected.ShareProtected());
+	User::LeaveIfError(Dll::SetTls(this));
+	
+	//Start language change monitor.
+	iAppLangMonitor = CApaLangChangeMonitor::NewL(*this);
+	const TInt KArrayGranularity = 128;
+	iForcedRegistrations = new (ELeave) CDesCArraySeg(KArrayGranularity);
+	
+	// Init the AppsList cache paths
+	_LIT(KAppsListCacheFileName, ":\\private\\10003a3f\\AppsListCache\\AppsList.bin");
+	_LIT(KAppsListCacheBackUpFileName, ":\\private\\10003a3f\\AppsListCache\\AppsList_Backup.bin");
+	_LIT(KAppsListCachePath, ":\\private\\10003a3f\\AppsListCache\\");
+
+	const TChar sysDrive = RFs::GetSystemDriveChar();
+	TInt maxSizeofFileName = KAppsListCacheFileName().Length() + 1;
+	iAppsListCacheFileName.CreateL(maxSizeofFileName);
+	iAppsListCacheFileName.Append(sysDrive);
+	iAppsListCacheFileName.Append(KAppsListCacheFileName());
+	
+	maxSizeofFileName = KAppsListCacheBackUpFileName().Length() + 1;
+	iAppsListCacheBackUpFileName.CreateL(maxSizeofFileName);
+	iAppsListCacheBackUpFileName.Append(sysDrive);
+	iAppsListCacheBackUpFileName.Append(KAppsListCacheBackUpFileName());
+	
+	maxSizeofFileName = KAppsListCachePath().Length() + 1;
+	iAppsListCachePath.CreateL(maxSizeofFileName);
+	iAppsListCachePath.Append(sysDrive);
+	iAppsListCachePath.Append(KAppsListCachePath());
+	
+	iIconCaptionOverrides = new(ELeave) CApaIconCaptionOverrides();
+	iIconCaptionObserver = CApaIconCaptionCenrepObserver::NewL(*iIconCaptionOverrides);
+	iIconCaptionObserver->LoadOverridesL();
+	}
+	
+EXPORT_C CApaAppList::~CApaAppList()
+/** Frees all resources prior to destruction, including the application data list. */
+	{
+	iValidFirstAppData = NULL;
+	DeleteAppData();
+
+	iAppData = NULL;
+	iObserver = NULL;
+	iFsShareProtected.Close();
+
+	delete iDefaultIconArray;
+	delete iDefaultAppIconMbmFileName;
+	delete iAppRegFinder;
+	delete iAppIdler;
+	delete iAppListStorer;
+	delete iAppIconLoader;
+	delete iAppLangMonitor;
+	delete iForcedRegistrations;
+	delete iIconCaptionObserver;
+	delete iIconCaptionOverrides;
+	iAppsListCacheFileName.Close();
+	iAppsListCacheBackUpFileName.Close();
+	iAppsListCachePath.Close();
+	
+	iCustomAppList.ResetAndDestroy();
+	iCustomAppList.Close();
+	}
+
+// Stop scanning applications if installation or uninstallation has started	
+EXPORT_C void CApaAppList::StopScan(TBool aNNAInstall)
+	{
+	if (aNNAInstall)
+		{
+		iNNAInstallation = ETrue;
+		}
+	if (iAppIdler)
+		{
+		delete iAppIdler;
+		iAppIdler=NULL;
+		}
+	UndoSetPending(iAppData);
+	}
+	
+// Allow scanning when installation or uninstallation is complete
+EXPORT_C void CApaAppList::RestartScanL()
+	{
+	TRAP_IGNORE(PurgeL());
+	StartIdleUpdateL();
+	}
+
+EXPORT_C TBool CApaAppList::AppListUpdatePending()
+	{
+	return iNNAInstallation;
+	}
+
+void CApaAppList::UndoSetPending(CApaAppData* aAppData)
+	// Reset all apps to pevious pending state so they don't get purged
+	{
+  	for (; aAppData; aAppData = aAppData->iNext)
+		{
+		if (aAppData->iIsPresent == CApaAppData::EPresentPendingUpdate)
+			{
+			aAppData->iIsPresent = CApaAppData::EIsPresent;
+			}
+		}
+	}
+
+EXPORT_C void CApaAppList::StartIdleUpdateL()
+/** Updates the list asynchronously, using an idle time active object, 
+and no observer. When the update is finished, the resulting app 
+list is stored. */
+	{
+	// find the default icons (.mbm file) for applications, wrt current locale
+	CreateDefaultAppIconFileNameL();
+
+	// File operation is abandoned if it is in progress.
+	if (iAppListStorer && iAppListStorer->IsActive())
+		{
+		delete iAppListStorer;
+		iAppListStorer = NULL;
+		}
+
+	// Stops icon loading if it is in progress.
+	if (iAppIconLoader && iAppIconLoader->IsActive())
+		{
+		delete iAppIconLoader;
+		iAppIconLoader = NULL;
+		}
+
+	// DEF076594 - if changing locale, need to update the default icons here
+	// If updating the default icons array fails, the array is left in the state
+	// it was in before the call.
+	if(iDefaultIconArray)
+		{
+		TRAP_IGNORE(UpdateDefaultIconsL());
+		}
+
+	// start to scan.
+	if (iAppIdler)
+		{
+		delete iAppIdler;
+		iAppIdler=NULL;
+		}
+		
+	// DEF072701
+	// When performing the update scan let the idle object have lower priority.
+	if (IsFirstScanComplete())
+		{
+		iAppIdler=CPeriodic::NewL(CActive::EPriorityLow);
+		}
+	else
+		{
+		iAppIdler=CPeriodic::NewL(CActive::EPriorityStandard);
+		}
+	SetPending(iAppData);
+	iAppRegFinder->FindAllAppsL(CApaAppRegFinder::EScanAllDrives);
+ 
+ 	// DEF072701
+ 	// If this is the first scan i.e the boot scan then it may take some time. Thus
+ 	// the periodic delay value should be used so that this process will stop periodically 
+ 	// to allow time for other processes.
+ 	// If this is just a re-scan it should take much less time. Therefore it should just
+ 	// be completed in one go rather than periodically delayed. Thus the delay value
+ 	// should be set to 0.
+	iAppIdler->Start(KIdleStartDelay, IsFirstScanComplete()? 0 : iIdlePeriodicDelay, TCallBack(IdleUpdateCallbackL, this));
+	}
+
+EXPORT_C void CApaAppList::StartIdleUpdateL(MApaAppListObserver* aObserver)
+/** Updates the list asynchronously, using an idle time active object 
+and an observer. When the update is finished, the resulting app list 
+is stored and the observer is notified with an MApaAppListServObserver::EAppListChanged 
+message, if the list changed.
+@param aObserver Observer to be notified when the update has finished. */
+	{
+	iObserver=aObserver;
+
+	// Rename Appslist.bin file to AppsList_Backup.bin, so that it can be renamed back, if rescan/update scan does not change applist.
+	TInt replaceError = iFs.Replace(iAppsListCacheFileName, iAppsListCacheBackUpFileName);
+	if (replaceError != KErrNone)
+		{
+		iFs.Delete(iAppsListCacheFileName);
+		}
+	StartIdleUpdateL();
+	}
+
+void CApaAppList::CreateDefaultAppIconFileNameL()
+	{
+	TFileName tempFileName(KDefaultAppIconMbm);
+	TLanguage language;
+	BaflUtils::NearestLanguageFileV2(iFs, tempFileName, language);
+	(void)language;
+	delete iDefaultAppIconMbmFileName;
+	iDefaultAppIconMbmFileName = NULL;
+	iDefaultAppIconMbmFileName = tempFileName.AllocL();
+	}
+
+EXPORT_C void CApaAppList::InitListL(MApaAppListObserver* aObserver)
+/** It Restores the data present in the AppsList.bin file and updates the applist. 
+ * If Restore operation fails then it 
+ * starts updating the list asynchronously, by calling StartIdleUpdateL().
+
+@param aObserver Observer to be notified when the update has finished. */
+	{
+	DeleteAppsListBackUpAndTempFiles();
+	TInt ret = KErrGeneral;
+#ifndef __WINS__ // on the emulator, don't read app list from file, as doing so means apps
+                 // built while the emulator isn't running won't appear in the list
+	TRAP(ret, RestoreL());
+#endif
+	if (ret != KErrNone)
+		{
+		// There was an error during restore, so update the list asynchronously.
+		DeleteAppData();
+		iFs.Delete(iAppsListCacheFileName);
+		StartIdleUpdateL(aObserver);
+		}
+	else
+		{
+		iObserver = aObserver;
+		if (iLoadMbmIconsOnDemand)
+			{
+			InitiateStoringOfAppList();
+			}
+		else
+			{
+			StartIconLoadingL();
+			}
+		}
+	}
+
+void CApaAppList::StartIconLoadingL()
+	{
+	iAppIconLoader = new(ELeave) CApaIdleIconLoader(iAppData, iFs, *this);
+	iAppIconLoader->Start();
+	}
+
+void CApaAppList::ScanRemovableDrivesAndUpdateL()
+/** Rename Appslist.bin file to AppsList_Backup.bin, so that it can be renamed back, 
+     if the update scan on removable media drives does not change applist. */
+	{
+	const TArray<const TDriveUnitInfo> listOfRemovableMediaDrives = iAppRegFinder->DriveList();
+	const TInt count = listOfRemovableMediaDrives.Count();
+
+	// Removable media scan would take place only if removable drives are present.
+	if (count)
+		{
+		CApaAppData* appData = iAppData;
+		while (appData)
+			{
+			for (TInt driveIndex = 0; driveIndex < count; ++driveIndex)
+				{
+				if (TParsePtrC(*appData->iRegistrationFile).Drive() == listOfRemovableMediaDrives[driveIndex].iUnit.Name())
+					{
+					appData->SetAppPending();
+					break;
+					}
+				}
+			appData = appData->iNext;
+			}
+
+		while (IdleUpdateL())
+			{ // It updates the removable media apps present in AppList if it has changed.
+
+			};
+		}
+	}
+
+void CApaAppList::DeleteAppsListBackUpAndTempFiles()
+/** Deletes all files inside AppsListCache folder except AppsList.bin */
+	{
+	_LIT(KTemp, "AppsList.bin");
+	CDir* cache = NULL;
+	TInt ret = iFs.GetDir(iAppsListCachePath, KEntryAttNormal, ESortNone, cache);
+	if (ret == KErrNone)
+		{
+		const TInt count = cache->Count();
+		TBufC<KMaxFileName> cacheFileName;
+		TEntry entry;
+		for (TInt i = 0; i < count; ++i)
+			{
+			entry=(*cache)[i];
+			cacheFileName=entry.iName;
+	#if defined (SYMBIAN_BAFL_SYSUTIL)
+			if ((cacheFileName.Match(KTemp) == KErrNotFound) && (cacheFileName.Match(KROMVersionStringCacheFileName) == KErrNotFound)) 
+	#else
+			if ((cacheFileName.Match(KTemp) == KErrNotFound)) 
+	#endif
+				{
+				TFileName fileNameToDelete;
+				fileNameToDelete.Append(iAppsListCachePath);
+				fileNameToDelete.Append(cacheFileName);
+				iFs.Delete(fileNameToDelete);
+				}
+			}
+		delete cache;
+		}
+	}
+
+void CApaAppList::RestoreL()
+/** It restores the data present in the AppsList.bin file */
+	{
+	RFileReadStream theReadStream;
+	User::LeaveIfError(theReadStream.Open(iFs, iAppsListCacheFileName, EFileRead));
+	CleanupClosePushL(theReadStream);
+	
+	TLanguage appListFileLanguage = (TLanguage)theReadStream.ReadInt32L();
+	if (appListFileLanguage != User::Language())
+		{
+		User::Leave(KErrNotSupported);
+		}
+	
+#if defined (SYMBIAN_BAFL_SYSUTIL)
+	//Build the filename for the cache file
+	TInt maxSizeofFileName = iAppsListCachePath.Length() + KROMVersionStringCacheFileName().Length();
+	RBuf romVersionCacheFileName;
+	romVersionCacheFileName.CreateL(maxSizeofFileName);
+	romVersionCacheFileName.CleanupClosePushL();
+	romVersionCacheFileName.Append(iAppsListCachePath);
+	romVersionCacheFileName.Append(KROMVersionStringCacheFileName());
+	
+	RFileReadStream romVerStream;
+	User::LeaveIfError(romVerStream.Open(iFs,romVersionCacheFileName,EFileRead));
+	CleanupClosePushL(romVerStream);
+	
+	TVersion actualROMVersionCacheFileVersion(KROMVersionCacheFileMajorVersion, KROMVersionCacheFileMinorVersion, KROMVersionCacheFileBuildVersion);
+	TVersionName actualROMVersionCacheFileVersionName = actualROMVersionCacheFileVersion.Name();
+	
+	//read the rom file version
+	TInt8 romVersionCacheFileMajorVersion = romVerStream.ReadInt8L();
+	TInt8 romVersionCacheFileMinorVersion = romVerStream.ReadInt8L();
+	TInt16 romVersionCacheFileBuildVersion = romVerStream.ReadInt16L();
+	TVersion romVersionCacheFileVersion(romVersionCacheFileMajorVersion, romVersionCacheFileMinorVersion, romVersionCacheFileBuildVersion);
+	TVersionName romVersionCacheFileVersionName = romVersionCacheFileVersion.Name();
+	
+	//If persisted file version differs from what apparc can handle, recreate rom version file and applist.bin
+	if (romVersionCacheFileVersionName.Compare(actualROMVersionCacheFileVersionName) != 0)
+		{
+		User::Leave(KErrGeneral);
+		}
+		
+	//Read the length & value of software version from it.
+	TBuf<KInfoBufLength> softwareVersion;
+	TUint32 length = romVerStream.ReadUint32L();
+	if (length>KInfoBufLength)
+		{
+		//File must be corrupt, an attempt to read will panic
+		User::Leave(KErrCorrupt);
+		}	
+	romVerStream.ReadL(softwareVersion, length);
+
+	//the persisted version has been successfully read
+	//read the actual current version string
+	TBuf<KInfoBufLength> actualSoftwareVersion;
+	TInt err = SysUtil::GetSWVersion(actualSoftwareVersion); //use the SysUtil implementation
+	if(err == KErrNone)
+		{
+		if (softwareVersion.Compare(actualSoftwareVersion) != 0)
+			{
+			//Leave if the current version is different from the previous stored version and recreate applist.
+#ifdef _DEBUG
+			RDebug::Print(_L("!!Firmware update detected!! Rebuilding AppList"));
+#endif
+			User::Leave(KErrGeneral);
+			}
+		}
+	else
+		{
+		//Leave if any error reading the version information, except if file is not present
+		if (err != KErrPathNotFound && err != KErrNotFound)
+			{
+#ifdef _DEBUG
+			RDebug::Print(_L("!!Error %d reading Firmware version.  Rebuilding AppList"),err);
+#endif
+			User::Leave(err);
+			}
+		}
+	CleanupStack::PopAndDestroy(2); //romVerStream, romVersionCacheFileName
+#endif
+		
+	// Create Default Icon File Name
+	CreateDefaultAppIconFileNameL();
+	
+	TInt ret = KErrNone;
+	while (ret == KErrNone)
+		{
+		CApaAppData* const pApp = new (ELeave) CApaAppData(iFs);
+		CleanupStack::PushL(pApp);
+
+		// Restore entries till we leave
+		TRAP(ret, pApp->InternalizeL(theReadStream));
+		
+		if (ret != KErrNone && ret != KErrEof)
+			{
+			User::Leave(ret);
+			}
+		// Check that the app has not been added to the list twice
+		if (ret == KErrNone && !AppDataByUid(pApp->iUidType[2]))
+			{
+			AddToList(pApp);
+			CleanupStack::Pop(pApp);
+			}
+		else
+			{ // Delete pApp if an End of File condition is reached or the app has been added to the list twice
+			CleanupStack::PopAndDestroy(pApp);
+			}
+		}	
+	// Close the stream;
+	CleanupStack::PopAndDestroy(&theReadStream);
+
+	iFs.Rename(iAppsListCacheFileName, iAppsListCacheBackUpFileName);
+	iAppRegFinder->FindAllAppsL(CApaAppRegFinder::EScanRemovableDrives);	// Builds the Removable Media Drive List
+
+	iFlags |= ENotifyUpdateOnFirstScanComplete;
+
+	// It runs an update scan on removable media apps.
+	ScanRemovableDrivesAndUpdateL();
+	}
+
+EXPORT_C TBool CApaAppList::IsLanguageChangePending() const
+/** Returns ETrue if a language change event is received and a re-scan is in progress otherwise EFalse. */
+	{
+	return (iFlags & ELangChangePending);
+	}
+
+
+TInt CApaAppList::IdleUpdateCallbackL(TAny* aObject)
+	{
+	CApaAppList* self=REINTERPRET_CAST(CApaAppList*,aObject);
+	const TBool moreToCome=self->IdleUpdateL();
+	if (moreToCome==EFalse)
+		{
+		//Reset language change flag if scanning is over.
+		if (self->IsLanguageChangePending())
+			self->iFlags &= ~ELangChangePending;
+
+		self->StopIdler();
+		if (self->iLoadMbmIconsOnDemand)
+			{
+			self->InitiateStoringOfAppList();
+			}
+		else
+			{
+			self->StartIconLoadingL();
+			}
+		}
+	return moreToCome;
+	}
+
+void CApaAppList::StoreL()
+	{
+	iAppListStorer = CApaAppListStorer::NewL(iAppData, iFs, *this);
+	iAppListStorer->StartL(KAppListToFileStartDelay);
+	}
+
+void CApaAppList::NotifyObserver()
+	{
+	if (iObserver)
+		{
+		if (iFlags & EAppListHasChanged || iFlags & ENotifyUpdateOnFirstScanComplete)
+			iObserver->NotifyUpdate(MApaAppListServObserver::EAppListChanged);	// NotifyUpdate will notify clients for both list update and scan complete.
+		else
+			iObserver->NotifyScanComplete();	// NotifyScanComplete will notify clients for scan complete.
+
+		iObserver=NULL;
+		}
+	}
+
+void CApaAppList::StopIdler()
+	{
+ 	delete iAppIdler;
+	iAppIdler=NULL;
+	}
+
+TInt CApaAppList::IdleUpdateL()
+// returns ETrue if there is more scanning to be done.
+	{
+	TBool more=EFalse;
+	TApaAppEntry currentApp = TApaAppEntry();
+	TRAPD(err, more = iAppRegFinder->NextL(currentApp, *iForcedRegistrations));
+	if (err!=KErrNone)
+		{
+		if (iFlags & ENotifyUpdateOnFirstScanComplete)
+			User::Leave(err);
+
+		return more;
+		}
+	TBool hasChanged=EFalse;
+	if (more)
+		{
+		TRAPD(err,UpdateNextAppL(currentApp,hasChanged));
+		if (err!=KErrNone)
+			{
+			SetNotFound(iAppData,hasChanged);
+			if (iFlags & ENotifyUpdateOnFirstScanComplete)
+				User::Leave(err);
+
+			more=EFalse; // abandon ship
+			}
+		}
+	else
+		{
+		SetNotFound(iAppData,hasChanged);
+		PurgeL();
+		}
+
+	if (hasChanged)
+		iFlags |= EAppListHasChanged;
+
+	return more;
+	}
+
+EXPORT_C TBool CApaAppList::IsIdleUpdateComplete() const
+/** Tests whether an asynchronous update of the list is currently in progress.
+
+@return True if no asynchronous update of the list is currently in progress, 
+otherwise false. */
+	{
+	return iAppIdler == NULL;
+	}
+
+void CApaAppList::SetPending(CApaAppData* aAppData)
+	// set all apps to pending update - we'll find them again as we scan
+	{
+  	for (; aAppData; aAppData = aAppData->iNext)
+		aAppData->SetAppPending();
+	}
+
+void CApaAppList::SetNotFound(CApaAppData* aAppData, TBool& aHasChanged)
+	// mark any unfound apps not present
+	{
+	while (aAppData)
+		{
+		if (aAppData->IsPending())
+			{
+			aAppData->iIsPresent = CApaAppData::ENotPresent;
+			aHasChanged = ETrue;
+			}
+		aAppData = aAppData->iNext;
+		}
+	}
+
+void CApaAppList::AddToList( CApaAppData* aAppData )
+	{
+	__ASSERT_DEBUG(aAppData, Panic(EPanicNullPointer));
+	aAppData->iNext=iAppData;
+	iAppData=aAppData;
+	}
+
+void CApaAppList::UpdateNextAppL(const TApaAppEntry& aAppEntry,TBool& aHasChanged)
+	{
+	CApaAppData* appData=AppDataByUid(aAppEntry.iUidType[2]);
+	if (appData==NULL)
+		{// not in list, so add it at the start
+		TRAPD(err,appData=CApaAppData::NewL(aAppEntry, iFs));
+		if (err==KErrNone)
+			{
+			AddToList( appData );
+			aHasChanged=ETrue;
+			}
+		}
+	else if (appData->IsPending())
+		{ // not found yet during current scan - we may need to override this one
+		
+		// On a system which scans for registration .RSC files (V2 apps) first, followed by
+		// .APP files (V1 apps), it's valid for a V1 app to override a V2 app (if the V2 app
+		// has just been removed). If this is the case, assume it's ok to compare the V1 .APP filename,
+		// with the V2 .RSC filename as their filenames will never match (which is what we want in this case).
+		TPtrC currentFileName;
+		if (appData->RegistrationFileUsed())
+			currentFileName.Set(*appData->iRegistrationFile);
+		else
+			currentFileName.Set(*appData->iFullName);
+	
+		if (aAppEntry.iFullName.CompareF(currentFileName)!=0)
+			{
+			delete appData->iSuccessor;
+			appData->iSuccessor = NULL;
+			appData->iSuccessor = CApaAppEntry::NewL(aAppEntry);
+
+			appData->iIsPresent = CApaAppData::ESuperseded;
+			aHasChanged=ETrue;
+			}
+		else
+			{
+			if (appData->Update() || appData->iIsPresent==CApaAppData::ENotPresentPendingUpdate) 
+				aHasChanged=ETrue; 
+
+			appData->iIsPresent = CApaAppData::EIsPresent;
+			}
+		}
+	}
+
+/**
+@internalComponent
+*/
+EXPORT_C CApaAppData* CApaAppList::FindAndAddSpecificAppL(CApaAppRegFinder* aFinder, TUid aAppUid)
+	{
+//Scans and adds the specified application to the app list if found
+	__ASSERT_DEBUG(aFinder, Panic(EPanicNullPointer));
+	TBool found = EFalse;
+	TApaAppEntry appEntry;
+	aFinder->FindAllAppsL(CApaAppRegFinder::EScanAllDrives);
+	while (aFinder->NextL(appEntry, *iForcedRegistrations))
+		{
+		if (appEntry.iUidType[2] == aAppUid)
+			{
+			found = ETrue;
+			break;
+			}
+		}
+	
+	CApaAppData* app = NULL;
+	if (found)
+		{
+		// add the app to the list
+		TBool hasChanged = EFalse;
+		CApaAppData* prevFirstAppInList = iAppData;
+		UpdateNextAppL(appEntry, hasChanged);
+		if (iAppData != prevFirstAppInList)
+			app = iAppData;		// assume the new app was added to the list
+
+		if (hasChanged)
+			iFlags |= EAppListHasChanged;
+		}
+
+	return app;
+	}
+
+EXPORT_C void CApaAppList::PurgeL()
+/** Removes any applications from the list if they are no longer present 
+on the phone. It updates applications that have been 
+superceded. */
+	{
+	CApaAppData* appData=iAppData;
+	CApaAppData* prev=NULL;
+	while (appData)
+		{
+		CApaAppData* next=appData->iNext;
+		if (appData->iIsPresent==CApaAppData::ENotPresent)
+			{
+			if (prev)
+				prev->iNext=next;
+			else
+				iAppData=next;
+			
+            //Add uninstalled application UID to a list
+            if(iUninstalledApps==NULL)
+                iUninstalledApps=new(ELeave) CArrayFixFlat<TUid>(1);
+            
+            iUninstalledApps->AppendL(appData->AppEntry().iUidType[2]);
+			
+			delete appData;
+			}
+		else if (appData->iIsPresent==CApaAppData::ESuperseded)
+			{
+			CApaAppData* newApp=NULL;
+			TApaAppEntry appEntry;
+			appData->iSuccessor->Get(appEntry);
+			TRAPD(err,newApp=CApaAppData::NewL(appEntry, iFs));
+			if (err==KErrNone)
+				{
+				// remove the old one and add the new one in its place
+				if (prev)
+					prev->iNext=newApp;
+				else
+					iAppData=newApp;
+		
+				newApp->iNext = appData->iNext;
+				delete appData;
+				// increment the iterator
+				prev = newApp;
+				}
+			}
+		else
+			prev=appData;
+		
+		appData=next;
+		}
+	}
+
+EXPORT_C TInt CApaAppList::Count() const
+/** Gets the count of applications present in the app list.
+
+@return The number of applications in the list. */
+
+	{
+	TInt count=0;
+	CApaAppData* appData=iAppData;
+	while (appData)
+		{
+		count++;
+		appData=appData->iNext;
+		}
+	
+	return count;
+	}
+
+EXPORT_C CApaAppData* CApaAppList::FirstApp() const
+/** Gets a pointer to the first application in the list 
+that can use the default screen mode.
+
+@return A pointer to the first application. */
+	{
+	return FirstApp(0);
+	}
+
+EXPORT_C CApaAppData* CApaAppList::FirstApp(TInt aScreenMode) const
+/** Gets a pointer to the first application in the list 
+that can use the specified screen mode.
+
+@param aScreenMode The index of the screen mode. Specifying 
+KIgnoreScreenMode returns the first application in the list, 
+regardless of screen mode.
+@return A pointer to the first application that can use the 
+specified screen mode. */
+	{
+
+	CApaAppData* appData=iValidFirstAppData;
+
+	if(aScreenMode!=KIgnoreScreenMode)
+		{
+		while (appData && !appData->CanUseScreenMode(aScreenMode))
+			appData = appData->iNext;
+		}
+
+	return appData;
+	}
+
+EXPORT_C CApaAppData* CApaAppList::NextApp(const CApaAppData* aApp) const
+/** Gets a pointer to the next application after aApp in the list 
+that can use the default screen mode.
+
+@param aApp A pointer to an application in the list.
+@return A pointer to the next application after aApp in the list 
+that can use the default screen mode.
+@panic APGRFX 12 aApp is NULL. */
+	{
+	return NextApp(aApp,0);
+	}
+
+EXPORT_C CApaAppData* CApaAppList::NextApp(const CApaAppData* aApp, TInt aScreenMode) const
+/** Gets a pointer to the next application after aApp in the list 
+that can use the specified screen mode.
+
+@param aApp A pointer to an application in the list. 
+@param aScreenMode The index of the screen mode. Specifying 
+KIgnoreScreenMode returns the next application in the list, 
+regardless of screen mode.
+@return A pointer to the next application after aApp in the list 
+that can use the specified screen mode.
+@panic APGRFX 12 aApp is NULL. */
+
+	{
+	__ASSERT_ALWAYS(aApp,Panic(EPanicNoAppDataSupplied));
+	//
+	CApaAppData* iApp=aApp->iNext; //lint !e613 Suppress possible use of null pointer - asserted above
+
+	if(aScreenMode!=KIgnoreScreenMode)
+		while (iApp && !iApp->CanUseScreenMode(aScreenMode))
+			iApp = iApp->iNext;
+
+	return iApp;
+	}
+
+EXPORT_C CApaAppData* CApaAppList::AppDataByUid(TUid aAppUid) const
+/** Gets a pointer to the application in the list whose third 
+UID matches the specified UID.
+
+@param aAppUid An application's third UID. 
+@return A pointer to the application, if successful. Null, 
+if no match is found or if KNullUid was specified. */
+	{
+	if (aAppUid==KNullUid)
+		return NULL; // never match null UID as it represents an un-UIDed file
+	
+	CApaAppData* appData=iAppData;
+	while (appData)
+		{
+		if (appData->AppEntry().iUidType[2]==aAppUid)
+			return appData;
+		appData=appData->iNext;
+		}
+	
+	return NULL;
+	}
+
+EXPORT_C CApaAppData* CApaAppList::AppDataByFileName(const TDesC& aFullFileName) const
+/** Gets a pointer to the application in the list whose application
+file name matches the one specified
+
+@param aFullFileName a file name. 
+@return A pointer to the application, if successful. Null, 
+if no match is found or if KNullDesC was specified.
+@internalTechnology
+*/
+	{
+	if (aFullFileName.Length()==0)
+		return NULL; // never match null UID as it represents an un-UIDed file
+
+	CApaAppData* appData=iAppData;
+	while (appData)
+		{
+		if (appData->AppEntry().iFullName.CompareF(aFullFileName)==0)
+			return appData;
+
+		appData=appData->iNext;
+		}
+
+	return NULL;
+	}
+	
+/**
+Adds a registration file to the iForcedRegistrations array.
+
+@param aRegistrationFile The function takes ownership of the HBufC.
+@internalComponent
+*/
+EXPORT_C void CApaAppList::AddForcedRegistrationL(const TDesC& aRegistrationFile)
+	{
+	TInt err = iForcedRegistrations->InsertIsqL(aRegistrationFile, ECmpFolded);
+	if (err != KErrAlreadyExists) // We silently ignore attempts to insert duplicates
+		User::LeaveIfError(err);
+	
+	} //lint !e818 Suppress pointer parameter 'aRegistrationFile' could be declared as pointing to const
+	
+EXPORT_C void CApaAppList::ResetForcedRegistrations()
+	{
+	if(iForcedRegistrations)
+		iForcedRegistrations->Reset();
+	}
+
+/** Finds the preferred application to handle the specified data type.
+
+@param aDataType The data type of interest.
+@return The third UID of the application in the list which has the 
+highest priority for handling the specified data type. A null UID is 
+returned if no application in the list can handle the specified data type. */
+EXPORT_C TUid CApaAppList::PreferredDataHandlerL(const TDataType& aDataType) const
+	{
+	TInt dummy;
+	return PreferredDataHandlerL(aDataType, NULL, dummy);
+	}
+	
+/** Finds the preferred application to handle the specified data type.
+
+@param aDataType The data type of interest.
+@param aServiceUid The optional service UID.
+@param aPriority The priority associated with the returned app.
+@return The third UID of the application in the list which has the 
+highest priority for handling a combination of the specified data type
+and service. A null UID is returned if no application in the list can
+handle the combination of specified data type and service.
+@internalComponent
+*/
+EXPORT_C TUid CApaAppList::PreferredDataHandlerL(const TDataType& aDataType, const TUid* aServiceUid, TInt& aPriority) const
+	{
+	// If there is a service UID then first try to use the service specific list
+	// of datatypes
+	if (aServiceUid)
+		{
+		CApaAppData* appData = iAppData;
+		aPriority = KDataTypePriorityNotSupported;
+		TUid uid = KNullUid; 
+
+		while (appData)
+			{
+			TInt priority = appData->ImplementsServiceWithDataType(*aServiceUid, aDataType);
+			if (priority > aPriority)
+				{
+				aPriority=priority;
+				uid=appData->AppEntry().iUidType[2];
+				}
+
+			appData=appData->iNext;
+			}
+
+		if (aPriority != KDataTypePriorityNotSupported)
+			return uid;
+		}
+	
+	CApaAppData* appData = iAppData;
+	aPriority = KDataTypePriorityNotSupported;
+	TUid uid = KNullUid;
+
+	// Run through all of the linked list of app-data to locate the application 
+	// with the highest priority that can handle the given data type
+	while (appData)
+		{
+		const TInt priority = appData->DataType(aDataType);
+		if ((priority > aPriority) && (!aServiceUid || (aServiceUid && appData->ImplementsService(*aServiceUid))))
+			{
+			aPriority = priority;
+			uid = appData->AppEntry().iUidType[2];
+			}
+			
+		appData=appData->iNext;
+		}
+		
+	return uid;
+	}
+  
+void CApaAppList::DeleteAppData()
+	{
+	iValidFirstAppData = NULL;
+	iFlags &= ~EFirstScanComplete;
+	iFlags &= ~EAppListHasChanged;
+	iFlags &= ~ELangChangePending;
+	
+	CApaAppData* next = NULL;
+	for (CApaAppData* appData=iAppData; appData; appData = next)
+		{
+		next = appData->iNext;
+		delete appData;
+		}
+	iAppData = NULL;
+	}
+
+void CApaAppList::ScanComplete()
+	{
+	if (!(iFlags & EFirstScanComplete) && iObserver)
+		iObserver->InitialListPopulationComplete();
+	iValidFirstAppData = iAppData;
+	iFlags|=EFirstScanComplete;
+	iNNAInstallation = EFalse;
+	}
+
+/**
+ *
+ * Tests whether the first scan for list of Apps has completed.
+ *
+ * @return   "TBool"
+ *            True, if the first scan for list of Apps has completed; false, otherwise.
+ * @internalComponent
+ */
+EXPORT_C TBool CApaAppList::IsFirstScanComplete() const
+	{
+	return iFlags&EFirstScanComplete;
+	}
+
+EXPORT_C TBool CApaAppList::AppScanInProgress() const
+/** @internalComponent */
+	{
+	return (iAppIdler!=NULL) && iAppIdler->IsActive();
+	}
+
+/**
+@internalComponent
+*/
+EXPORT_C CBufFlat* CApaAppList::ServiceArrayBufferL(TUid aAppUid) const
+	{
+	CApaAppData* app = FirstApp(KIgnoreScreenMode);
+	while (app && app->AppEntry().iUidType[2] != aAppUid)
+		app = NextApp(app, KIgnoreScreenMode);
+
+	if (app)
+		{
+		if (!app->RegistrationFileUsed())
+			User::Leave(KErrNotSupported);
+
+		if (app->iServiceArray)
+			{
+			CBufFlat* const buf = CBufFlat::NewL(KBufferExpansionGranularity);
+			CleanupStack::PushL(buf);
+			RBufWriteStream writeStream(*buf);
+			writeStream << *(app->iServiceArray);
+			writeStream.CommitL();
+			writeStream.Release();
+			CleanupStack::Pop(buf);
+			return buf;
+			}
+		}
+
+	User::Leave(KErrNotFound);
+	return NULL; // to keep compiler happy
+	}
+
+/**
+@internalComponent
+*/
+EXPORT_C CBufFlat* CApaAppList::ServiceUidBufferL(TUid aAppUid) const
+	{
+	CApaAppData* app = FirstApp(KIgnoreScreenMode);
+	while (app && app->AppEntry().iUidType[2] != aAppUid)
+		app = NextApp(app, KIgnoreScreenMode);
+
+	if (app)
+		{
+		if (!app->RegistrationFileUsed())
+			User::Leave(KErrNotSupported);
+
+		if (app->iServiceArray)
+			{
+			CArrayFixFlat<TApaAppServiceInfo>& serviceArray = *(app->iServiceArray);
+			CArrayFixFlat<TUid>* uidArray = new(ELeave) CArrayFixFlat<TUid>(4);
+			CleanupStack::PushL(uidArray);
+			for (TInt i = serviceArray.Count()-1; i >= 0; i--)
+				uidArray->AppendL(serviceArray[i].Uid());
+
+			CBufFlat* const buf = CBufFlat::NewL(KBufferExpansionGranularity);
+			CleanupStack::PushL(buf);
+			RBufWriteStream writeStream(*buf);
+			writeStream << *uidArray;
+			writeStream.CommitL();
+			writeStream.Release();
+			CleanupStack::Pop(buf);
+			CleanupStack::PopAndDestroy(uidArray);
+			return buf;
+			}
+		}
+
+	User::Leave(KErrNotFound);
+	return NULL; // to keep compiler happy
+	}
+
+/**
+@internalComponent
+*/
+EXPORT_C CBufFlat* CApaAppList::ServiceOpaqueDataBufferL(TUid aAppUid, TUid aServiceUid) const
+	{
+	CApaAppData* app = FirstApp(KIgnoreScreenMode);
+	while (app && app->AppEntry().iUidType[2] != aAppUid)
+		app = NextApp(app, KIgnoreScreenMode);
+
+	if (app)
+		{
+		if (!app->RegistrationFileUsed())
+			User::Leave(KErrNotSupported);
+
+		if (app->iServiceArray)
+			{
+			CArrayFixFlat<TApaAppServiceInfo>* implArray = NULL;
+			CArrayFixFlat<TApaAppServiceInfo>& serviceArray = *(app->iServiceArray);
+			for (TInt i = serviceArray.Count()-1; i >= 0; i--)
+				{
+				const TApaAppServiceInfo& infoRef = serviceArray[i];
+				if (infoRef.Uid() == aServiceUid)
+					{
+					if (!implArray)
+						{
+						implArray = new(ELeave) CArrayFixFlat<TApaAppServiceInfo>(4);
+						CleanupStack::PushL(TCleanupItem(CleanupServiceArray, implArray));
+						}
+
+					CArrayFixFlat<TDataTypeWithPriority>* dummy = new(ELeave) CArrayFixFlat<TDataTypeWithPriority>(1);
+					CleanupStack::PushL(dummy);					
+					TApaAppServiceInfo info(aServiceUid, dummy, infoRef.OpaqueData().AllocLC());
+					implArray->AppendL(info);
+					CleanupStack::Pop(CONST_CAST(TDesC8*,&info.OpaqueData()));
+					CleanupStack::Pop(dummy);
+					}
+				}
+				
+			if (implArray)
+				{
+				CBufFlat* const buf = CBufFlat::NewL(KBufferExpansionGranularity);
+				CleanupStack::PushL(buf);
+				RBufWriteStream writeStream(*buf);
+				writeStream << *implArray;
+				writeStream.CommitL();
+				writeStream.Release();
+				CleanupStack::Pop(buf);
+				CleanupStack::PopAndDestroy(implArray);
+				return buf;
+				}
+			}
+		}
+	User::Leave(KErrNotFound);
+	return NULL; // to keep compiler happy
+	}
+
+/**
+@internalComponent
+*/
+EXPORT_C CBufFlat* CApaAppList::ServiceImplArrayBufferL(TUid aServiceUid) const
+	{
+	CApaAppData* app = FirstApp(KIgnoreScreenMode);
+	// build an array containing all implementations of the service identified by aServiceUid
+	CArrayFixFlat<TApaAppServiceInfo>* implArray = NULL;
+	while (app)
+		{
+		if (app->iServiceArray)
+			{
+			for (TInt i = app->iServiceArray->Count()-1; i >= 0; i--)
+				{
+				const TApaAppServiceInfo& infoRef = (*app->iServiceArray)[i];
+				if (infoRef.Uid() == aServiceUid)
+					{
+					if (!implArray)
+						{
+						implArray = new(ELeave) CArrayFixFlat<TApaAppServiceInfo>(4);
+						CleanupStack::PushL(TCleanupItem(CleanupServiceArray, implArray));
+						}
+				
+					CArrayFixFlat<TDataTypeWithPriority>* datatypes = DataTypeArrayDeepCopyLC(infoRef.DataTypes());
+					HBufC8* data = infoRef.OpaqueData().AllocLC();
+					TApaAppServiceInfo info(app->AppEntry().iUidType[2], datatypes, data);
+					implArray->AppendL(info);
+					CleanupStack::Pop(data);
+					CleanupStack::Pop(datatypes);
+					}
+				}
+			}
+		app = NextApp(app, KIgnoreScreenMode);
+		}
+
+	if (implArray)
+		{
+		CBufFlat* const buf = CBufFlat::NewL(KBufferExpansionGranularity);
+		CleanupStack::PushL(buf);
+		RBufWriteStream writeStream(*buf);
+		writeStream << *(implArray);
+		writeStream.CommitL();
+		writeStream.Release();
+		CleanupStack::Pop(buf);
+		CleanupStack::PopAndDestroy(implArray);
+		return buf;
+		}
+		
+	User::Leave(KErrNotFound);
+	return NULL; // to keep compiler happy
+	}
+
+EXPORT_C CBufFlat* CApaAppList::ServiceImplArrayBufferL(TUid aServiceUid, const TDataType& aDataType) const
+	{
+	CApaAppData* app = FirstApp(KIgnoreScreenMode);
+	// build an array containing all implementations of the service identified by aServiceUid
+	CArrayFixFlat<TApaAppServiceInfo>* implArray = NULL;
+	while (app)
+		{
+		if (app->iServiceArray)
+			{
+			for (TInt i = app->iServiceArray->Count()-1; i >= 0; i--)
+				{
+				const TApaAppServiceInfo& infoRef = (*app->iServiceArray)[i];
+				if (infoRef.Uid() == aServiceUid)
+					{
+				 	if (KDataTypePriorityNotSupported != app->DataType(aDataType, infoRef.DataTypes()))
+						{
+						if (!implArray)
+							{
+							implArray = new(ELeave) CArrayFixFlat<TApaAppServiceInfo>(4);
+							CleanupStack::PushL(TCleanupItem(CleanupServiceArray, implArray));
+							}
+						CArrayFixFlat<TDataTypeWithPriority>* datatypes = DataTypeArrayDeepCopyLC(infoRef.DataTypes());
+						HBufC8* data = infoRef.OpaqueData().AllocLC();
+						TApaAppServiceInfo info(app->AppEntry().iUidType[2], datatypes, data);
+						implArray->AppendL(info);
+						CleanupStack::Pop(data);
+						CleanupStack::Pop(datatypes);
+						}
+					}
+				}
+			}
+		app = NextApp(app, KIgnoreScreenMode);
+		}
+
+	if (implArray)
+		{
+		CBufFlat* const buf = CBufFlat::NewL(KBufferExpansionGranularity);
+		CleanupStack::PushL(buf);
+		RBufWriteStream writeStream(*buf);
+		writeStream << *(implArray);
+		writeStream.CommitL();
+		writeStream.Release();
+		CleanupStack::Pop(buf);
+		CleanupStack::PopAndDestroy(implArray);
+		return buf;
+		}
+		
+	User::Leave(KErrNotFound);
+	return NULL; // to keep compiler happy
+	}
+	
+CArrayFixFlat<TDataTypeWithPriority>* CApaAppList::DataTypeArrayDeepCopyLC(const CArrayFixFlat<TDataTypeWithPriority>& aOriginal) const
+	{
+	CArrayFixFlat<TDataTypeWithPriority>* result = new(ELeave) CArrayFixFlat<TDataTypeWithPriority>(1);
+	CleanupStack::PushL(result);
+	TInt ii = 0;
+	TInt end = aOriginal.Count();
+	while (ii < end)
+		{
+		result->AppendL(aOriginal[ii]);
+		ii++;
+		}
+		
+	return result;
+	}
+	
+EXPORT_C CApaAppList* CApaAppList::Self()
+	{ // static
+	return STATIC_CAST(CApaAppList*,Dll::Tls());
+	}
+	
+/*EXPORT_C*/ RFs& CApaAppList::ShareProtectedFileServer()
+	{
+	return iFsShareProtected; //lint !e1536 Exposing low access member - need to consider a redesign or design clarification here(iFsShareProtected should be owned be the one that needs it) but postpone for now as that may require large changes
+	}
+	
+CApaAppIconArray* CApaAppList::LoadDefaultIconsL() const
+	{
+	CApaIconLoader* iconLoader = CApaIconLoader::NewLC(iFs);
+	CApaAppIconArray* icons = CApaAppIconArray::NewRealDefaultIconsLC(KNumberOfIconsInDefaultMbm,*iDefaultAppIconMbmFileName, *iconLoader);
+	const TBool badMbmEntryInfo = !icons->LoadIconsL();
+	if(badMbmEntryInfo)
+		{
+		CleanupStack::PopAndDestroy(2,iconLoader);
+		return CApaAppIconArray::NewL();
+		}
+	else
+		{
+		CleanupStack::Pop(icons);
+		CleanupStack::PopAndDestroy(iconLoader);
+		}
+		
+	return icons;
+	}
+
+void CApaAppList::AcquireDefaultIconArrayL() const
+	{
+	ASSERT(iDefaultIconUsageCount >= 0);
+	if (iDefaultIconUsageCount == 0)
+		iDefaultIconArray = LoadDefaultIconsL();
+
+	++iDefaultIconUsageCount;
+	}
+
+// Should NEVER be called by an object that does not call AcquireDefaultIconArrayL and
+// ReleaseDefaultIconArray at the beginning and end of its lifetime respectively
+const CApaAppIconArray& CApaAppList::DefaultIconArray() const
+	{
+	__ASSERT_ALWAYS(iDefaultIconArray, Panic(EPanicNullPointer));
+	return *iDefaultIconArray;
+	}
+
+void CApaAppList::ReleaseDefaultIconArray() const
+	{
+	ASSERT(iDefaultIconUsageCount > 0);
+	if(0 == --iDefaultIconUsageCount)
+		{
+		delete iDefaultIconArray;
+		iDefaultIconArray = NULL;		
+		}
+	}
+	
+// DEF077478 - Required to update the default icons that the app list holds.
+void CApaAppList::UpdateDefaultIconsL()
+	{
+	CApaAppIconArray* iconArray = LoadDefaultIconsL();
+	if (iconArray)
+		{
+		delete iDefaultIconArray;
+		iDefaultIconArray = iconArray;
+		}
+	}
+
+void CApaAppList::DeleteAppListStorer()
+	{
+	delete iAppListStorer;
+	iAppListStorer = NULL;
+	}
+
+void CApaAppList::DeleteAppIconLoader()
+	{
+	delete iAppIconLoader;
+	iAppIconLoader = NULL;
+	}
+
+void CApaAppList::InitiateStoringOfAppList()
+	{
+	ScanComplete();	
+	NotifyObserver();
+	iFlags &= ~ENotifyUpdateOnFirstScanComplete;
+	// now that the scan is finished, iDefaultAppIconMbmFileName is deleted
+	delete iDefaultAppIconMbmFileName;
+	iDefaultAppIconMbmFileName=NULL;
+	// if applist has not changed and AppsList_Backup.bin file exists then it is replaced back to AppsList.bin
+	if (!(iFlags & EAppListHasChanged) && BaflUtils::FileExists(iFs, iAppsListCacheBackUpFileName))
+		{
+		TInt replaceError = iFs.Replace(iAppsListCacheBackUpFileName, iAppsListCacheFileName);
+		if (replaceError == KErrNone)
+			return;
+		}
+
+    iFlags &= ~EAppListHasChanged;
+	iFs.Delete(iAppsListCacheBackUpFileName);
+	TInt err = iFs.MkDir(iAppsListCachePath);
+	if (err == KErrNone || err == KErrAlreadyExists)
+		{
+		TRAP(err, StoreL());
+		if (err)
+			DeleteAppListStorer();
+		}
+	}
+
+
+EXPORT_C void CApaAppList::AddCustomAppInfoInListL(TUid aAppUid, TLanguage aLanguage, const TDesC& aShortCaption)
+	{
+	TBool replaced=EFalse;
+	for (TInt i=iCustomAppList.Count()-1; i>=0; --i)
+		{
+		if (aAppUid == iCustomAppList[i]->Uid() && aLanguage == iCustomAppList[i]->Language())
+			{
+			CCustomAppInfoData* oldAppInfo = iCustomAppList[i];
+			iCustomAppList[i] = CCustomAppInfoData::NewL(aAppUid, aLanguage, aShortCaption);;
+			delete oldAppInfo;
+			replaced=ETrue;
+			break;
+			}
+		}
+	//Add ELangNone items at the end and others at the beginning
+	if(!replaced)
+		{
+		CCustomAppInfoData* appInfo = CCustomAppInfoData::NewL(aAppUid, aLanguage, aShortCaption);
+		CleanupStack::PushL(appInfo);
+		
+		if(aLanguage == ELangNone)
+			iCustomAppList.AppendL(appInfo);
+		else
+			iCustomAppList.InsertL(appInfo,0);
+		
+		CleanupStack::Pop(appInfo);
+		}
+	
+	} //lint !e818 Suppress pointer parameter could be declared as pointing to const - this method takes ownership
+
+
+EXPORT_C void CApaAppList::UpdateAppListByShortCaptionL()
+	{
+	//Items with ELangNone are always found at the end and other languages at the beginning
+	//While iterating from end to beginning, we overwrite short caption set by ELangNone if there is any provided for the application language
+	for (TInt i=iCustomAppList.Count()-1; i>=0; --i)
+		{
+		const CCustomAppInfoData* const customAppInfo=iCustomAppList[i];
+		CApaAppData* app = AppDataByUid(customAppInfo->Uid());
+		
+		if ( app && (app->ApplicationLanguage()==customAppInfo->Language() || customAppInfo->Language()==ELangNone))
+			app->SetShortCaptionL(*customAppInfo->ShortCaption());
+		}
+	}
+
+EXPORT_C void CApaAppList::UpdateAppListByIconCaptionOverridesL()
+	{
+	// get the language downgrade path, so that most appropriate language can be used
+	RArray<TLanguage> languageDowngradePath;
+	CleanupClosePushL(languageDowngradePath);
+	BaflUtils::GetDowngradePathL(iFs, User::Language(), languageDowngradePath);
+	for (CApaAppData* app = FirstApp(); app; app = NextApp(app))
+		{
+		CApaIconCaptionOverridesForApp* appOverride = iIconCaptionOverrides->OverrideForApp(app->AppEntry().iUidType[2]);
+		if (appOverride)
+			{
+			TApaIconCaptionOverrideReader overrideReader = appOverride->Reader(languageDowngradePath);
+			const TDesC* shortCaption = overrideReader.ShortCaption();
+			if (shortCaption)
+				app->SetShortCaptionL(*shortCaption);
+			const TDesC* caption = overrideReader.Caption();
+			if (caption)
+				app->SetCaptionL(*caption);
+			const TDesC* iconFileName = overrideReader.IconFileName();
+			if (overrideReader.NumIconsSet() && iconFileName)
+				app->SetIconsL(*iconFileName, overrideReader.NumIcons());
+			}
+		}
+	CleanupStack::PopAndDestroy(&languageDowngradePath);
+	}
+
+//
+// Class CApaAppListStorer
+//
+
+CApaAppList::CApaAppListStorer::CApaAppListStorer(CApaAppData* aFirstAppData, RFs& aFs, CApaAppList& aAppList) : CActive(EPriorityIdle), iCurrentAppData(aFirstAppData), iFs(aFs), iAppList(aAppList)
+	{
+	}
+
+CApaAppList::CApaAppListStorer::~CApaAppListStorer()
+	{
+	Cancel();
+	iWriteStream.Close();
+	iFs.Delete(iTempFilename);
+	iTimer.Close();
+	iCurrentAppData = NULL;
+	}
+
+CApaAppList::CApaAppListStorer* CApaAppList::CApaAppListStorer::NewL(CApaAppData* aFirstAppData, RFs& aFs, CApaAppList& aAppList)
+	{
+	CApaAppListStorer* self = new(ELeave) CApaAppListStorer(aFirstAppData, aFs, aAppList);
+	CleanupStack::PushL(self);
+	self->ConstructL();
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+void CApaAppList::CApaAppListStorer::ConstructL()
+	{
+	User::LeaveIfError(iTimer.CreateLocal());
+	CActiveScheduler::Add(this);
+	}
+
+void CApaAppList::CApaAppListStorer::StartL(const TTimeIntervalMicroSeconds32& aDelay)
+	{
+	User::LeaveIfError(iWriteStream.Temp(iFs, iAppList.iAppsListCachePath, iTempFilename, EFileWrite));
+	iWriteStream.WriteInt32L(User::Language());
+	
+#if defined (SYMBIAN_BAFL_SYSUTIL)
+	//Write a cache of the ROM version to a separate stream
+	//Build the filename for the cache file
+	TInt maxSizeofFileName = iAppList.iAppsListCachePath.Length() + KROMVersionStringCacheFileName().Length();
+	RBuf romVersionCacheFileName;
+	romVersionCacheFileName.CreateL(maxSizeofFileName);
+	romVersionCacheFileName.CleanupClosePushL();
+	romVersionCacheFileName.Append(iAppList.iAppsListCachePath);
+	romVersionCacheFileName.Append(KROMVersionStringCacheFileName());
+	
+	RFileWriteStream romVerStream;
+	User::LeaveIfError(romVerStream.Replace(iFs,romVersionCacheFileName,EFileWrite));
+	CleanupClosePushL(romVerStream);
+	
+	// Write the file version that apparc can handle.
+	romVerStream.WriteInt8L(KROMVersionCacheFileMajorVersion);
+	romVerStream.WriteInt8L(KROMVersionCacheFileMinorVersion);
+	romVerStream.WriteInt16L(KROMVersionCacheFileBuildVersion);
+		
+	TBuf<KInfoBufLength> version;
+	SysUtil::GetSWVersion(version);
+	
+	// Write the software version even if SysUtil returns err since all conditions are taken care during restore.
+	romVerStream.WriteUint32L(version.Length());
+	romVerStream.WriteL(version, version.Length());
+	CleanupStack::PopAndDestroy(2); //romVerStream, romVersionCacheFileName
+#endif //(SYMBIAN_BAFL_SYSUTIL)
+	
+	iTimer.After(iStatus, aDelay);
+	SetActive();
+	}
+
+void CApaAppList::CApaAppListStorer::RunL()
+	{ 
+	// iStatus could be KErrNone or negative when timer completes, irrespective of its status we need to re-queue the request.
+	if (iCurrentAppData)
+		{
+		StoreEntryL(iWriteStream, *iCurrentAppData);
+		iCurrentAppData = iCurrentAppData->Next();
+		SetActive();
+		TRequestStatus* status = &iStatus;
+		User::RequestComplete(status, KErrNone);
+		}
+	else
+		{
+		iWriteStream.CommitL();
+		iWriteStream.Close();
+
+		TInt err = iFs.Replace(iTempFilename, iAppList.iAppsListCacheFileName);
+		if (err != KErrNone)
+			iFs.Delete(iTempFilename);
+
+		iAppList.DeleteAppListStorer();
+		}
+	}
+
+void CApaAppList::CApaAppListStorer::StoreEntryL(RWriteStream& aWriteStream, const CApaAppData& aApp)
+	{
+	aWriteStream << aApp;
+	}
+
+void CApaAppList::CApaAppListStorer::DoCancel()
+	{
+	iTimer.Cancel();
+	}
+
+TInt CApaAppList::CApaAppListStorer::RunError(TInt /*aError*/)
+	{
+	iAppList.DeleteAppListStorer();
+	return KErrNone;
+	}
+
+//
+// Class CApaIdleIconLoader
+//
+
+CApaAppList::CApaIdleIconLoader::CApaIdleIconLoader(CApaAppData* aFirstAppData, RFs& aFs, CApaAppList& aAppList) : CActive(EPriorityLow), iCurrentAppData(aFirstAppData), iFs(aFs), iAppList(aAppList)
+	{ // Priority is less than KAppListServerPriority, to maintain server responsiveness.
+	CActiveScheduler::Add(this);
+	}
+
+CApaAppList::CApaIdleIconLoader::~CApaIdleIconLoader()
+	{
+	Cancel();
+	iCurrentAppData = NULL;
+	}
+
+void CApaAppList::CApaIdleIconLoader::Start()
+	{
+	SetActive();
+	TRequestStatus* status = &iStatus;
+	User::RequestComplete(status, KErrNone);
+	}
+
+void CApaAppList::CApaIdleIconLoader::RunL()
+/** if the icons are not already loaded on demand then it would be loaded here. */
+	{
+	while (iCurrentAppData && !iCurrentAppData->MbmIconsRequireLoading())
+		iCurrentAppData = iCurrentAppData->Next();
+
+	if(iCurrentAppData)
+		{
+		Start();
+		CApaAppData* const appData = iCurrentAppData;
+		iCurrentAppData = iCurrentAppData->Next();
+		appData->LoadIconsL();
+		}
+	else
+		{
+		iAppList.InitiateStoringOfAppList();
+		iAppList.DeleteAppIconLoader();
+		}
+	}
+
+void CApaAppList::CApaIdleIconLoader::DoCancel()
+	{
+	}
+
+TInt CApaAppList::CApaIdleIconLoader::RunError(TInt /*aError*/)
+	{
+	return KErrNone;
+	}
+
+
+//
+// Class CApaLangChangeMonitor
+//
+
+CApaAppList::CApaLangChangeMonitor::~CApaLangChangeMonitor()
+	{	
+	Cancel();
+	iLangNotifier.Close();
+	}
+
+CApaAppList::CApaLangChangeMonitor* CApaAppList::CApaLangChangeMonitor::NewL(CApaAppList& aAppList)
+	{ // static	
+	CApaLangChangeMonitor* self=new(ELeave) CApaLangChangeMonitor(aAppList);
+	self->ConstructL();
+	return self;
+	}
+
+CApaAppList::CApaLangChangeMonitor::CApaLangChangeMonitor(CApaAppList& aAppList)
+	: CActive(EPriorityNormal),
+	iAppList(aAppList)
+	{	
+	iPrevLanguage = User::Language();
+	CActiveScheduler::Add(this);
+	}
+
+void CApaAppList::CApaLangChangeMonitor::ConstructL()
+	{
+	User::LeaveIfError(iLangNotifier.Create());
+	Start();
+	}
+ 
+void CApaAppList::CApaLangChangeMonitor::Start()
+	{
+	iLangNotifier.Logon(iStatus);
+	SetActive();
+	}
+
+void CApaAppList::CApaLangChangeMonitor::DoCancel()
+	{
+	iLangNotifier.LogonCancel();
+	}
+
+void CApaAppList::CApaLangChangeMonitor::RunL()
+	{
+	// Logon to get further events before handling current request.
+	TRequestStatus status = iStatus;
+	Start();
+	
+	// if it is a language change event, start a rescan on app-list.
+	if (status.Int() == EChangesLocale && iPrevLanguage != User::Language())
+		{		
+		iPrevLanguage = User::Language();
+		iAppList.iFlags |= CApaAppList::ELangChangePending;
+		iAppList.StartIdleUpdateL(iAppList.iObserver);
+		}
+	}
+
+TInt CApaAppList::CApaLangChangeMonitor::RunError(TInt /*aError*/)
+	{
+	// Reset ELangChangePending flag if RunL leaves.
+	iAppList.iFlags &= ~CApaAppList::ELangChangePending;
+	// Reset iPrevLanguage to ELangNone if RunL leaves.
+	iPrevLanguage = ELangNone;
+	return KErrNone;
+	}
+
+//
+// CCustomAppInfoData
+//
+
+CApaAppList::CCustomAppInfoData* CApaAppList::CCustomAppInfoData::NewL(TUid aAppUid, TLanguage aLanguage, const TDesC& aShortCaption)
+	{
+	CCustomAppInfoData* self=new(ELeave) CCustomAppInfoData(aAppUid, aLanguage);
+    CleanupStack::PushL(self);
+	self->ConstructL(aShortCaption);
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+CApaAppList::CCustomAppInfoData::~CCustomAppInfoData()
+	{
+	delete iShortCaption;
+	}
+
+CApaAppList::CCustomAppInfoData::CCustomAppInfoData(TUid aAppUid, TLanguage aLanguage)
+	:iUid(aAppUid),
+	iLanguage(aLanguage)
+	{
+	}
+
+void CApaAppList::CCustomAppInfoData::ConstructL(const TDesC& aShortCaption)
+	{
+	iShortCaption=aShortCaption.AllocL();
+	}
+
+TUid CApaAppList::CCustomAppInfoData::Uid() const
+	{ return iUid; }
+	
+TLanguage CApaAppList::CCustomAppInfoData::Language() const
+	{ return iLanguage; }
+	
+HBufC* CApaAppList::CCustomAppInfoData::ShortCaption() const
+	{ return iShortCaption; }
+
+// The function transfers ownership of the pointer owned by a CApaAppList to the caller
+// to avoid copying the array.
+
+EXPORT_C CArrayFixFlat<TUid>* CApaAppList::UninstalledAppArray()
+    {
+    CArrayFixFlat<TUid>* uninstalledApps=iUninstalledApps;
+    iUninstalledApps=NULL;
+    return uninstalledApps;
+    }
+