/*

 * Copyright (C) 2006, 2008 Apple 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,

 * 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 "PluginDocument.h"

#include "DocumentLoader.h"

#include "Element.h"

#include "Frame.h"

#include "FrameLoader.h"

#include "FrameLoaderClient.h"

#include "HTMLEmbedElement.h"

#include "HTMLNames.h"

#include "MainResourceLoader.h"

#include "Page.h"

#include "RenderWidget.h"

#include "SegmentedString.h"

#include "Settings.h"

#include "Text.h"

#include "XMLTokenizer.h"

namespace WebCore {

using namespace HTMLNames;

class PluginTokenizer : public Tokenizer {

public:

    PluginTokenizer(Document* doc) : m_doc(doc), m_embedElement(0) {}

private:

    virtual void write(const SegmentedString&, bool appendData);

    virtual void stopParsing();

    virtual void finish();

    virtual bool isWaitingForScripts() const;

    virtual bool wantsRawData() const { return true; }

    virtual bool writeRawData(const char* data, int len);

    void createDocumentStructure();

    Document* m_doc;

    HTMLEmbedElement* m_embedElement;

};

void PluginTokenizer::write(const SegmentedString&, bool)

{

    ASSERT_NOT_REACHED();

}

void PluginTokenizer::createDocumentStructure()

{

    ExceptionCode ec;

    RefPtr<Element> rootElement = m_doc->createElement(htmlTag, false);

    m_doc->appendChild(rootElement, ec);

    RefPtr<Element> body = m_doc->createElement(bodyTag, false);

    body->setAttribute(marginwidthAttr, "0");

    body->setAttribute(marginheightAttr, "0");

    body->setAttribute(bgcolorAttr, "rgb(38,38,38)");

    rootElement->appendChild(body, ec);

    RefPtr<Element> embedElement = m_doc->createElement(embedTag, false);

    m_embedElement = static_cast<HTMLEmbedElement*>(embedElement.get());

    m_embedElement->setAttribute(widthAttr, "100%");

    m_embedElement->setAttribute(heightAttr, "100%");

    m_embedElement->setAttribute(nameAttr, "plugin");

    m_embedElement->setAttribute(srcAttr, m_doc->url().string());

    m_embedElement->setAttribute(typeAttr, m_doc->frame()->loader()->responseMIMEType());

    body->appendChild(embedElement, ec);    

}

bool PluginTokenizer::writeRawData(const char*, int)

{

    ASSERT(!m_embedElement);

    if (m_embedElement)

        return false;

    createDocumentStructure();

    if (Frame* frame = m_doc->frame()) {

        Settings* settings = frame->settings();

        if (settings && settings->arePluginsEnabled()) {

            m_doc->updateLayout();

            if (RenderWidget* renderer = toRenderWidget(m_embedElement->renderer())) {

                frame->loader()->client()->redirectDataToPlugin(renderer->widget());

                frame->loader()->activeDocumentLoader()->mainResourceLoader()->setShouldBufferData(false);

            }

            finish();

        }

    }

    return false;

}

void PluginTokenizer::stopParsing()

{

    Tokenizer::stopParsing();        

}

void PluginTokenizer::finish()

{

    if (!m_parserStopped) 

        m_doc->finishedParsing();            

}

bool PluginTokenizer::isWaitingForScripts() const

{

    // A plugin document is never waiting for scripts

    return false;

}

PluginDocument::PluginDocument(Frame* frame)

    : HTMLDocument(frame)

{

    setParseMode(Compat);

}

Tokenizer* PluginDocument::createTokenizer()

{

    return new PluginTokenizer(this);

}

}