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/*
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* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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#include <e32svr.h>
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#include <stfeventsystemerrorcodes.h>
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#include "eventsystemserver.h"
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#include "eventsystemsession.h"
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/**
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First phase construction
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*/
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CEventSystemServer* CEventSystemServer::NewL(CActive::TPriority aActiveObjectPriority)
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{
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//RDebug::Print(_L("STF [ESS]: CEventSystemServer::NewL"));
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CEventSystemServer* self = NewLC(aActiveObjectPriority);
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CleanupStack::Pop();
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return self;
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}
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/**
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First phase construction
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*/
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CEventSystemServer* CEventSystemServer::NewLC(CActive::TPriority aActiveObjectPriority)
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{
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//RDebug::Print(_L("STF [ESS]: CEventSystemServer::NewLC"));
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CEventSystemServer* self = new (ELeave) CEventSystemServer(aActiveObjectPriority);
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CleanupStack::PushL(self);
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self->ConstructL();
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return self;
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}
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/**
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Creates and returns a new object container using the server's object container index.
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This is a service that is used by a session.
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*/
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CObjectCon* CEventSystemServer::NewContainerL()
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{
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//RDebug::Print(_L("STF [ESS]: CEventSystemServer::NewContainerL"));
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return iContainerIndex->CreateL();
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}
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/**
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Removes session object from container.
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*/
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void CEventSystemServer::RemoveContainer(CObjectCon *aObj)
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{
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//RDebug::Print(_L("STF [ESS]: CEventSystemServer::RemoveContainer aObj=[%x]"), aObj);
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iContainerIndex->Remove(aObj);
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}
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/**
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Constructor takes the server priority value.
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The server is an active object, and the priority value is the priority
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of this active object.
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It passes the priority value to the base class in the Ctor list.
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By default, the session is not sharable, which is what we want here
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so no second parameter is passed to the CServer2 constructor.
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*/
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CEventSystemServer::CEventSystemServer(CActive::TPriority aActiveObjectPriority)
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: CServer2(aActiveObjectPriority)
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{
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//RDebug::Print(_L("STF [ESS]: CEventSystemServer::CEventSystemServer"));
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}
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/**
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Second-phase constructor - creates the object container index.
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*/
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void CEventSystemServer::ConstructL()
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{
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//RDebug::Print(_L("STF [ESS]: CEventSystemServer::ConstructL"));
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StartL(KEventSystemServName);
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iContainerIndex = CObjectConIx::NewL();
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//RDebug::Print(_L("STF [ESS]: CEventSystemServer::ConstructL created iContainerIndex=[%x]"), iContainerIndex);
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iShutdown.ConstructL();
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iShutdown.Start();
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}
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/**
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Desctructor - deletes the object container index.
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*/
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CEventSystemServer::~CEventSystemServer()
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{
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//RDebug::Print(_L("STF [ESS]: CEventSystemServer::~CEventSystemServer iContainerIndex=[%x]"), iContainerIndex);
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delete iContainerIndex;
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iWaitingEvents.ResetAndDestroy();
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iWaitingEvents.Close();
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iStateEvents.ResetAndDestroy();
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iStateEvents.Close();
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}
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/**
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Creates a new session with the server.
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*/
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CSession2* CEventSystemServer::NewSessionL(const TVersion &aVersion, const RMessage2& /*aMessage*/) const
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{
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RDebug::Print(_L("STF [ESS]: CEventSystemServer::NewSessionL"));
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// Check that the version is OK
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TVersion version(KEventSystemServMajorVersionNumber, KEventSystemServMinorVersionNumber, KEventSystemServBuildVersionNumber);
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if(!User::QueryVersionSupported(version, aVersion))
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{
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User::Leave(EEventSystemVersionNotSupported);
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}
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// Create the session.
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CSession2* session = new (ELeave) CEventSystemSession;
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// Return session
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return session;
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}
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/**
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Adds session.
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*/
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void CEventSystemServer::AddSession(void)
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{
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//RDebug::Print(_L("STF [ESS]: CEventSystemServer::AddSession"));
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iSessionCounter++;
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RDebug::Print(_L("STF [ESS]: CEventSystemServer::AddSession iSessionCounter increased to %d"), iSessionCounter);
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iShutdown.Cancel();
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}
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/**
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Closes session and starts shutdown timer in case no more sessions are opened.
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*/
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void CEventSystemServer::RemoveSession(void)
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{
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//RDebug::Print(_L("STF [ESS]: CEventSystemServer::RemoveSession"));
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__ASSERT_ALWAYS((iSessionCounter > 0), PanicClass(EInvalidSessionCounter));
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iSessionCounter--;
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RDebug::Print(_L("STF [ESS]: CEventSystemServer::RemoveSession iSessionCounter decreased to %d"), iSessionCounter);
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CheckAndStartShutdownTimer();
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}
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/**
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Check condition and start shudown timer.
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*/
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void CEventSystemServer::CheckAndStartShutdownTimer(void)
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{
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RDebug::Print(_L("STF [ESS]: CEventSystemServer::CheckAndStartShutdownTimer counter=[%d] state count=[%d] waiting count=[%d]"), iSessionCounter, iStateEvents.Count(), iWaitingEvents.Count());
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// Timer can be started if there is no connected session and there are no state events set
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if(iSessionCounter == 0 && iStateEvents.Count() == 0 && iWaitingEvents.Count() == 0)
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{
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RDebug::Print(_L("STF [ESS]: starting shutdown timer"));
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iShutdown.Start();
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}
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}
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/**
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Panic class with given error code.
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*/
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void CEventSystemServer::PanicClass(const TInt aErrorCode)
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{
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RDebug::Print(_L("STF [ESS]: Panic class CEventSystemServer [%x] with code [%d]"), this, aErrorCode);
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_LIT(KMessage, "CEventSystemServer");
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User::Panic(KMessage, aErrorCode);
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}
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/**
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Search for state event and give its index.
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*/
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TInt CEventSystemServer::SearchForState(const TDesC& aEventName)
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{
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TInt i;
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for(i = 0; i < iStateEvents.Count(); i++)
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{
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// Check if this event matches
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if(iStateEvents[i]->IsMatchingEvent(aEventName))
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{
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return i;
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}
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}
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return KErrNotFound;
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}
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/**
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Search for waiting event, starting from given index.
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aIndex will show found position and method return true.
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*/
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TBool CEventSystemServer::SearchForWaiting(const TDesC& aEventName, const TInt aOwnerId, TInt& aIndex)
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{
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if(aIndex < 0)
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aIndex = 0;
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for(; aIndex < iWaitingEvents.Count(); aIndex++)
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{
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// Check if this event matches
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if(iWaitingEvents[aIndex]->IsMatchingEvent(aEventName, aOwnerId))
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{
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return ETrue;
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}
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}
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return EFalse;
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}
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/**
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Search for waiting event, starting from given index.
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aIndex will show found position and method return true.
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*/
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TBool CEventSystemServer::SearchForWaiting(const TDesC& aEventName, TInt& aIndex)
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{
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if(aIndex < 0)
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aIndex = 0;
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for(; aIndex < iWaitingEvents.Count(); aIndex++)
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{
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// Check if this event matches
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if(iWaitingEvents[aIndex]->IsMatchingEvent(aEventName))
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{
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return ETrue;
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}
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}
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return EFalse;
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}
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/**
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Constructor of shutdown class.
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*/
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inline CShutdown::CShutdown(): CTimer(-1)
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{
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//RDebug::Print(_L("STF [ESS]: CShutdown::CShutdown"));
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CActiveScheduler::Add(this);
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}
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/**
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2nd phase of object construction.
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*/
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inline void CShutdown::ConstructL()
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{
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//RDebug::Print(_L("STF [ESS]: CShutdown::ConstructL"));
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CTimer::ConstructL();
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}
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/**
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Start shutdown timer.
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*/
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inline void CShutdown::Start()
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{
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RDebug::Print(_L("STF [ESS]: CShutdown::Start"));
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After(KShutdownDelay);
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}
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/**
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Shutdown server.
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*/
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void CShutdown::RunL()
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{
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RDebug::Print(_L("STF [ESS]: CShutdown::RunL"));
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CActiveScheduler::Stop();
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}
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// EOF
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