messagingfw/wappushfw/pushutils/src/PluginKiller.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 26 Jan 2010 12:18:06 +0200
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// Copyright (c) 2000-2009 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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#include <push/pluginkiller.h>
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#include <push/cpushhandlerbase.h>
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/**
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Constructor.
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@param aPushPlugin The plugin owner to be deleted
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@internalComponent
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*/
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CPluginKiller::CPluginKiller(CPushHandlerBase* aPushPlugin)
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: CActive(EPriorityStandard), iPushPlugin(aPushPlugin), iDeletePushPlugin(EFalse)
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	{
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	CActiveScheduler::Add(this);
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	}
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/** 
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Destructor. 
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*/
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CPluginKiller::~CPluginKiller()
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	{
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	// Responsible for Deleting Plugin Owners.
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	Cancel();
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	__ASSERT_DEBUG(iDeletePushPlugin, User::Invariant());
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	delete iPushPlugin;
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	}
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/** 
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Deletes the plug-in.
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*/
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EXPORT_C void CPluginKiller::KillPushPlugin()
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	{
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	//Starts a completed asynchronous request to delete the plug-in.
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	//When RunL() runs, it deletes the plug-in and the plug-in killer object itself. 
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	TRequestStatus* pS=&iStatus;
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	User::RequestComplete(pS,KErrNone);
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	SetActive();
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	}
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/**
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Cancel the request 
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*/
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void CPluginKiller::DoCancel()
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	{
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	}
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/**
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Handles the completion of an asynchronous request. RunL() will only be called by the plug-in
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killer completing its own request in KillPushPlugin(). This method sets a flag to indicate
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that it is safe to delete the plugin owner in the destructor. This ensures that the plug-in
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killer object is only deleted if the push plugin is deleted.
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*/
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void CPluginKiller::RunL()
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	{
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	iDeletePushPlugin = ETrue;
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	delete this;
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	}