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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 <e32std.h>
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#include <e32svr.h>
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#include <stfeventsystemerrorcodes.h>
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#include "stfasynceventactive.h"
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#include <stfasynceventlist.h>
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// Implementation of asynchronous event Active Object
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/**
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* NewL is first phase of two-phased constructor.
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*/
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EXPORT_C CAsyncEventActive* CAsyncEventActive::NewL(const TInt aOwnerId)
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{
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//RDebug::Print(_L("STF [ESC]: CAsyncEventActive::NewL()"));
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CAsyncEventActive* self = new (ELeave) CAsyncEventActive(aOwnerId);
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CleanupStack::PushL(self);
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// Construct the object
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self->ConstructL();
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// Remove from cleanup stack
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CleanupStack::Pop(self);
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return self;
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}
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/**
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* C++ default constructor.
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*/
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CAsyncEventActive::CAsyncEventActive(const TInt aOwnerId): CActive(CActive::EPriorityStandard), iOwnerId(aOwnerId)
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{
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CActiveScheduler::Add(this);
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RDebug::Print(_L("STF [ESC]: CAsyncEventActive::CAsyncEventActive() creating active object [%x]"), this);
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}
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/**
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* By default Symbian OS constructor is private.
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*/
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void CAsyncEventActive::ConstructL()
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{
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//RDebug::Print(_L("STF [ESC]: CAsyncEventActive::ConstructL()"));
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}
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/**
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* Destructor.
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*/
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CAsyncEventActive::~CAsyncEventActive()
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{
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Cancel();
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iEventSystem.Close();
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delete iEventName;
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RDebug::Print(_L("STF [ESC]: CAsyncEventActive::~CAsyncEventActive() deleting active object [%x]"), this);
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}
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/**
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* Start active object.
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* If list is provided, active object will cooperate with it adding and deleting itself from the list.
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* Also active object will delete itself if it's on the list.
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*/
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EXPORT_C void CAsyncEventActive::StartL(TRequestStatus* aStatus, TThreadId aStatusThreadId, const TDesC& aEventName, CAsyncEventList* aAsyncEventList)
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{
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RDebug::Print(_L("STF [ESC]: CAsyncEventActive::StartL() eventName=[%S]"), &aEventName);
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// Check if list of asynchronous objects and event name are not set.
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// It would mean that method StartL was already called.
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__ASSERT_ALWAYS(iAsyncEventList == NULL, User::Panic(_L("CAsyncEventActive1"), EEventSystemListAlreadySet));
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__ASSERT_ALWAYS(iEventName == NULL, User::Panic(_L("CAsyncEventActive2"), EEventSystemListAlreadySet));
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// Set caller's status and other data
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RDebug::Print(_L("STF [ESC]: CAsyncEventActive::StartL() registering status [%x]"), aStatus);
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iCallerStatus = aStatus;
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*iCallerStatus = KRequestPending;
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iStatusThreadId = aStatusThreadId;
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iAsyncEventList = aAsyncEventList;
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iEventName = aEventName.AllocL();
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// Open connection to server
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User::LeaveIfError(iEventSystem.Connect());
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// Add object to list
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if(iAsyncEventList)
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{
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iAsyncEventList->AddAsyncEventL(this);
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}
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// Call wait event
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RDebug::Print(_L("STF [ESC]: CAsyncEventActive::StartL() SendReceive eventName=[%S]"), iEventName);
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TIpcArgs args(iEventName, iOwnerId);
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iEventSystem.SendReceive(EEventSystemWaitEvent, args, iStatus);
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// Activate object
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SetActive();
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}
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/**
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* Handles active object and deletes itself!
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*/
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void CAsyncEventActive::RunL()
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{
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RDebug::Print(_L("STF [ESC]: CAsyncEventActive::RunL()"));
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// Complete request from caller
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RDebug::Print(_L("STF [ESC]: CAsyncEventActive::RunL() completing status [%x] with [%d]"), iCallerStatus, iStatus.Int());
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User::LeaveIfError(CompleteCallerStatus(iStatus.Int()));
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// Remove from list
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if(iAsyncEventList)
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{
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iAsyncEventList->RemoveAsyncEventL(this);
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iAsyncEventList = NULL;
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}
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// Close connection to server, as it's not longer required
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iEventSystem.Close();
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}
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/**
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* DoCancel
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*/
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void CAsyncEventActive::DoCancel()
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{
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RDebug::Print(_L("STF [ESC]: CAsyncEventActive::DoCancel()"));
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// Cancelling wait event on the event server
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TIpcArgs args(iEventName, iOwnerId);
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if(iEventSystem.Handle())
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{
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TInt ret = iEventSystem.SendReceive(EEventSystemCancelWaitEvent, args);
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}
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// Complete request from caller
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RDebug::Print(_L("STF [ESC]: CAsyncEventActive::DoCancel() completing (KErrCancel) status [%x]"), iCallerStatus);
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CompleteCallerStatus(KErrCancel);
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// Remove from list
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if(iAsyncEventList)
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{
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iAsyncEventList->RemoveAsyncEventL(this);
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iAsyncEventList = NULL;
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}
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}
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/**
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* RunError
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*/
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TInt CAsyncEventActive::RunError(TInt aError)
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{
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RDebug::Print(_L("STF [ESC]: CAsyncEventActive::RunError() aError=[%d]"), aError);
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return aError;
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}
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/**
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* Checks if request to event server is in pending state
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*/
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EXPORT_C TBool CAsyncEventActive::IsPending()
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{
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return (iCallerStatus != NULL);
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}
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/**
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* Complete caller status with specified code
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*/
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TInt CAsyncEventActive::CompleteCallerStatus(TInt aCode)
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{
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RThread thread;
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TInt ret = thread.Open(iStatusThreadId);
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if(ret == KErrNone)
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{
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thread.RequestComplete(iCallerStatus, aCode);
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iCallerStatus = NULL;
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thread.Close();
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}
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return ret;
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}
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