/*

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

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Library General Public

 * License as published by the Free Software Foundation; either

 * version 2 of the License, or (at your option) any later version.

 *

 * This library is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * Library General Public License for more details.

 *

 * You should have received a copy of the GNU Library General Public License

 * along with this library; see the file COPYING.LIB.  If not, write to

 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,

 * Boston, MA 02110-1301, USA.

 *

 */

#include "config.h"

#if ENABLE(WML)

#include "WMLDocument.h"

#include "BackForwardList.h"

#include "Frame.h"

#include "Page.h"

#include "DocumentParser.h"

#include "WMLCardElement.h"

#include "WMLErrorHandling.h"

#include "WMLPageState.h"

#include "WMLTemplateElement.h"

namespace WebCore {

WMLDocument::WMLDocument(Frame* frame)

    : Document(frame, false, false) 

    , m_activeCard(0)

{

    clearXMLVersion();

}

WMLDocument::~WMLDocument()

{

}

void WMLDocument::finishedParsing()

{

    if (DocumentParser* parser = this->parser()) {

        if (!parser->wellFormed()) {

            Document::finishedParsing();

            return;

        }

    }

    bool hasAccess = initialize(true);

    Document::finishedParsing();

    if (!hasAccess) {

        m_activeCard = 0;

        WMLPageState* wmlPageState = wmlPageStateForDocument(this);

        if (!wmlPageState)

            return;

        Page* page = wmlPageState->page();

        if (!page)

            return;

        BackForwardList* list = page->backForwardList();

        if (!list)

            return;

        HistoryItem* item = list->backItem();

        if (!item)

            return;

        page->goToItem(item, FrameLoadTypeBackWMLDeckNotAccessible);

        return;

    }

    if (m_activeCard)

        m_activeCard->handleIntrinsicEventIfNeeded();

}

bool WMLDocument::initialize(bool aboutToFinishParsing)

{

    WMLPageState* wmlPageState = wmlPageStateForDocument(this);

    if (!wmlPageState || !wmlPageState->canAccessDeck())

        return false;

    // Remember that we'e successfully entered the deck

    wmlPageState->resetAccessControlData();

    // Notify the existance of templates to all cards of the current deck

    WMLTemplateElement::registerTemplatesInDocument(this);

    // Set destination card

    m_activeCard = WMLCardElement::determineActiveCard(this);

    if (!m_activeCard) {

        reportWMLError(this, WMLErrorNoCardInDocument);

        return true;

    }

    // Handle deck-level task overrides

    m_activeCard->handleDeckLevelTaskOverridesIfNeeded();

    // Handle card-level intrinsic event

    if (!aboutToFinishParsing)

        m_activeCard->handleIntrinsicEventIfNeeded();

    return true;

}

WMLPageState* wmlPageStateForDocument(Document* doc)

{

    ASSERT(doc);

    Page* page = doc->page();

    ASSERT(page);

    return page->wmlPageState();

}

}

#endif