javamanager/javainstaller/appinstuiplugin/src/asyncwaitcallback.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 03 May 2010 12:27:20 +0300
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/*
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* Copyright (c) 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:  This class implements general wait object for calling a desired
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 *                callback function after asynchronous notification
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 *
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*/
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#include "asyncwaitcallback.h"
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#include "logger.h"
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using namespace Java::Installer;
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// ============================ MEMBER FUNCTIONS ===============================
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CAsyncWaitCallBack* CAsyncWaitCallBack::NewL(TCallBack aCallBack)
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{
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    CAsyncWaitCallBack* self = new(ELeave) CAsyncWaitCallBack();
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    CleanupStack::PushL(self);
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    self->ConstructL(aCallBack);
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    CleanupStack::Pop(self);
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    return self;
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}
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CAsyncWaitCallBack::CAsyncWaitCallBack():
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        CActive(CActive::EPriorityStandard), iActivatingReasonCode(0)
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{
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}
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CAsyncWaitCallBack::~CAsyncWaitCallBack()
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{
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}
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void CAsyncWaitCallBack::ConstructL(TCallBack aCallBack)
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{
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    iCallBack = aCallBack;
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    CActiveScheduler::Add(this);
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}
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void CAsyncWaitCallBack::RunL()
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{
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    // Execute callback only if the request completed with correct
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    // status code
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    if (iStatus == iActivatingReasonCode)
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    {
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        iCallBack.CallBack();
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    }
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    else
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    {
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        WLOG1(EJavaInstaller,
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              "CAsyncWaitCallBack was called with unexpected notif code %d, reactivate",
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              iStatus.Int());
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        // Reactivate wait
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        iProcessToListen.Rendezvous(iStatus);
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        SetActive();
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    }
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}
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void CAsyncWaitCallBack::DoCancel()
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{
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    iProcessToListen.RendezvousCancel(iStatus);
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}
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void CAsyncWaitCallBack::Wait(RProcess aProcessToListen, TInt aActivatingReasonCode)
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{
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    iActivatingReasonCode = aActivatingReasonCode;
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    iProcessToListen = aProcessToListen;
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    iProcessToListen.Rendezvous(iStatus);
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    SetActive();
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}
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