kwqresourceloader.cpp

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/*
 * Copyright (C) 2003 Apple Computer, Inc.  All rights reserved.
 * Portions Copyright (c) 2005 Nokia Corporation, Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
#include "KWQResourceLoader.h"

#include "KWQAssertions.h"
#include "KWQKJobClasses.h"
#include "loader.h"

using khtml::Loader;
using KIO::TransferJob;

KWQResourceLoader::KWQResourceLoader(KIO::TransferJob *job)
    : _job(job)
    , _handle(0)
{
// todo
    // ASSERT(job);

    job->setLoader(this);
    job->addMetaData("expire-date","0");
}


KWQResourceLoader::~KWQResourceLoader()
{
    finishJobAndHandle(KNullDesC8);
}

void KWQResourceLoader::setHandle(MWebCoreResourceHandle* handle)
{
//    ASSERT(!_handle);
    // handle->retain();
    _handle = handle;
}

void KWQResourceLoader::ReceivedResponse(MWebCoreUrlResponseHeaderInfo* response)
{
//    ASSERT(response);
//    ASSERT(_job);
    _job->emitReceivedResponse(response);
}

void KWQResourceLoader::RedirectedToURL( const TDesC& aUrl )
{
    //ASSERT(_job);
    _job->emitRedirection( KURL(QString::FromDes(aUrl) ) );
}

void KWQResourceLoader::AddData(const TDesC8& aData)
{
    //ASSERT(data);
    //ASSERT(_job);
    _job->emitData((const char*)aData.Ptr(), aData.Length());
}

void KWQResourceLoader::jobWillBeDeallocated(void)
{
    MWebCoreResourceHandle * handle = _handle;
    _handle = 0;
    _job = 0;

    if (handle) {
        handle->Cancel();
        delete handle;
    }
}

void KWQResourceLoader::finishJobAndHandle(const TDesC8& aData)
{
    TransferJob *job = _job;
    MWebCoreResourceHandle *handle = _handle;

    _job = 0;
    _handle = 0;

    if (job) {
        job->emitResult(aData);
    }

    delete job;
    delete handle;
}

void KWQResourceLoader::Cancel(void)
{
    if (_job) {
        _job->setError(1);
    }
    finishJobAndHandle(KNullDesC8);
}

void KWQResourceLoader::ReportError(void)
{
    //ASSERT(_job);
    _job->setError(1);
    finishJobAndHandle(KNullDesC8);
}

void KWQResourceLoader::FinishWithData(const TDesC8& aData)
{
    //ASSERT(_job);
    //ASSERT(_handle);
    finishJobAndHandle(aData);
}