/*

 * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.

 * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)

 * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)

 *

 * 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. 

 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of

 *     its contributors may be used to endorse or promote products derived

 *     from this software without specific prior written permission. 

 *

 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "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 OR ITS 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 "config.h"

#include "ResourceLoadNotifier.h"

#include "DocumentLoader.h"

#include "Frame.h"

#include "FrameLoader.h"

#include "FrameLoaderClient.h"

#include "InspectorController.h"

#include "Page.h"

#include "ProgressTracker.h"

#include "ResourceLoader.h"

namespace WebCore {

ResourceLoadNotifier::ResourceLoadNotifier(Frame* frame)

    : m_frame(frame)

{

}

void ResourceLoadNotifier::didReceiveAuthenticationChallenge(ResourceLoader* loader, const AuthenticationChallenge& currentWebChallenge)

{

    m_frame->loader()->client()->dispatchDidReceiveAuthenticationChallenge(loader->documentLoader(), loader->identifier(), currentWebChallenge);

}

void ResourceLoadNotifier::didCancelAuthenticationChallenge(ResourceLoader* loader, const AuthenticationChallenge& currentWebChallenge)

{

    m_frame->loader()->client()->dispatchDidCancelAuthenticationChallenge(loader->documentLoader(), loader->identifier(), currentWebChallenge);

}

void ResourceLoadNotifier::willSendRequest(ResourceLoader* loader, ResourceRequest& clientRequest, const ResourceResponse& redirectResponse)

{

    m_frame->loader()->applyUserAgent(clientRequest);

    dispatchWillSendRequest(loader->documentLoader(), loader->identifier(), clientRequest, redirectResponse);

}

void ResourceLoadNotifier::didReceiveResponse(ResourceLoader* loader, const ResourceResponse& r)

{

    loader->documentLoader()->addResponse(r);

    if (Page* page = m_frame->page())

        page->progress()->incrementProgress(loader->identifier(), r);

    dispatchDidReceiveResponse(loader->documentLoader(), loader->identifier(), r);

}

void ResourceLoadNotifier::didReceiveData(ResourceLoader* loader, const char* data, int length, int lengthReceived)

{

    if (Page* page = m_frame->page())

        page->progress()->incrementProgress(loader->identifier(), data, length);

    dispatchDidReceiveContentLength(loader->documentLoader(), loader->identifier(), lengthReceived);

}

void ResourceLoadNotifier::didFinishLoad(ResourceLoader* loader)

{    

    if (Page* page = m_frame->page())

        page->progress()->completeProgress(loader->identifier());

    dispatchDidFinishLoading(loader->documentLoader(), loader->identifier());

}

void ResourceLoadNotifier::didFailToLoad(ResourceLoader* loader, const ResourceError& error)

{

    if (Page* page = m_frame->page())

        page->progress()->completeProgress(loader->identifier());

    if (!error.isNull())

        m_frame->loader()->client()->dispatchDidFailLoading(loader->documentLoader(), loader->identifier(), error);

#if ENABLE(INSPECTOR)

    if (Page* page = m_frame->page())

        page->inspectorController()->didFailLoading(loader->identifier(), error);

#endif

}

void ResourceLoadNotifier::assignIdentifierToInitialRequest(unsigned long identifier, DocumentLoader* loader, const ResourceRequest& request)

{

    m_frame->loader()->client()->assignIdentifierToInitialRequest(identifier, loader, request);

#if ENABLE(INSPECTOR)

    if (Page* page = m_frame->page())

        page->inspectorController()->identifierForInitialRequest(identifier, loader, request);

#endif

}

void ResourceLoadNotifier::dispatchWillSendRequest(DocumentLoader* loader, unsigned long identifier, ResourceRequest& request, const ResourceResponse& redirectResponse)

{

    StringImpl* oldRequestURL = request.url().string().impl();

    m_frame->loader()->documentLoader()->didTellClientAboutLoad(request.url());

    m_frame->loader()->client()->dispatchWillSendRequest(loader, identifier, request, redirectResponse);

    // If the URL changed, then we want to put that new URL in the "did tell client" set too.

    if (!request.isNull() && oldRequestURL != request.url().string().impl())

        m_frame->loader()->documentLoader()->didTellClientAboutLoad(request.url());

#if ENABLE(INSPECTOR)

    if (Page* page = m_frame->page())

        page->inspectorController()->willSendRequest(identifier, request, redirectResponse);

#endif

}

void ResourceLoadNotifier::dispatchDidReceiveResponse(DocumentLoader* loader, unsigned long identifier, const ResourceResponse& r)

{

    m_frame->loader()->client()->dispatchDidReceiveResponse(loader, identifier, r);

#if ENABLE(INSPECTOR)

    if (Page* page = m_frame->page())

        page->inspectorController()->didReceiveResponse(identifier, r);

#endif

}

void ResourceLoadNotifier::dispatchDidReceiveContentLength(DocumentLoader* loader, unsigned long identifier, int length)

{

    m_frame->loader()->client()->dispatchDidReceiveContentLength(loader, identifier, length);

#if ENABLE(INSPECTOR)

    if (Page* page = m_frame->page())

        page->inspectorController()->didReceiveContentLength(identifier, length);

#endif

}

void ResourceLoadNotifier::dispatchDidFinishLoading(DocumentLoader* loader, unsigned long identifier)

{

    m_frame->loader()->client()->dispatchDidFinishLoading(loader, identifier);

#if ENABLE(INSPECTOR)

    if (Page* page = m_frame->page())

        page->inspectorController()->didFinishLoading(identifier);

#endif

}

void ResourceLoadNotifier::sendRemainingDelegateMessages(DocumentLoader* loader, unsigned long identifier, const ResourceResponse& response, int length, const ResourceError& error)

{

    if (!response.isNull())

        dispatchDidReceiveResponse(loader, identifier, response);

    if (length > 0)

        dispatchDidReceiveContentLength(loader, identifier, length);

    if (error.isNull())

        dispatchDidFinishLoading(loader, identifier);

    else

        m_frame->loader()->client()->dispatchDidFailLoading(loader, identifier, error);

}

} // namespace WebCore