--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/locationtriggering/ltcontainer/src/lbttriggeridgenerator.cpp Tue Feb 02 01:06:48 2010 +0200
@@ -0,0 +1,118 @@
+/*
+* Copyright (c) 2006 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: This header file describes the class that handles the storage
+* of triggers in RAM Structures.
+*
+*/
+
+
+#include "lbttriggeridgenerator.h"
+
+_LIT(KLbtTriggerIdFile,"lbttriggeridgenerator.dat");
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// The Symbian 2 phase constructor
+// ---------------------------------------------------------------------------
+//
+CLbtTriggerIdGenerator* CLbtTriggerIdGenerator::NewL()
+ {
+ CLbtTriggerIdGenerator* self = new( ELeave ) CLbtTriggerIdGenerator;
+ CleanupStack::PushL( self );
+ self->ConstructL();
+ CleanupStack::Pop( self );
+ return self;
+ }
+
+
+// ---------------------------------------------------------------------------
+// Destructor
+// ---------------------------------------------------------------------------
+//
+CLbtTriggerIdGenerator::~CLbtTriggerIdGenerator()
+ {
+ iFileHandle.Close();
+ iFileServer.Close();
+ }
+
+
+
+
+// ---------------------------------------------------------------------------
+// Constructor
+// ---------------------------------------------------------------------------
+//
+CLbtTriggerIdGenerator::CLbtTriggerIdGenerator()
+ {
+ // Nothing to do now
+ }
+
+void CLbtTriggerIdGenerator::SetTriggerId(TInt64 aId)
+ {
+ HBufC8* trigId = NULL;
+ TRAP_IGNORE(trigId=HBufC8::NewL(sizeof(TInt64)));
+ TPtr8 ptr=trigId->Des();
+ ptr.AppendNum(aId);
+ TInt pos = 0;
+ iFileHandle.Seek(ESeekStart,pos);
+ iFileHandle.Write(ptr);
+ delete trigId;
+ }
+
+TInt64 CLbtTriggerIdGenerator::GetTriggerId()
+ {
+ HBufC8* trigId = NULL;
+ TRAP_IGNORE(trigId=HBufC8::NewL(sizeof(TInt64)));
+ TPtr8 ptr=trigId->Des();
+ TInt pos = 0;
+ iFileHandle.Seek(ESeekStart,pos);
+ iFileHandle.Read(ptr);
+ TLex8 lex(ptr);
+ TInt64 iD;
+ lex.Val(iD);
+ delete trigId;
+ return iD;
+ }
+
+// ---------------------------------------------------------------------------
+// The 2nd phase Symbian Constructor
+// ---------------------------------------------------------------------------
+//
+void CLbtTriggerIdGenerator::ConstructL()
+ {
+ User::LeaveIfError(iFileServer.Connect());
+ // Obtain the file path
+ TFileName trigIdFile;
+ iFileServer.SessionPath(trigIdFile);
+
+ // Create the Directory ie the private directory of the process
+ iFileServer.MkDirAll(trigIdFile);
+
+ // Generate the Db file
+ trigIdFile.Append(KLbtTriggerIdFile);
+ TInt createError=iFileHandle.Create(iFileServer,trigIdFile,EFileWrite);
+ if(createError==KErrAlreadyExists)
+ {
+ createError=iFileHandle.Open(iFileServer,trigIdFile,EFileWrite);
+ }
+ else if(createError==KErrNone)
+ {
+ SetTriggerId(0);
+ }
+ User::LeaveIfError(createError);
+ }
+
+// end of file
+