/*

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

 * Copyright (C) 2009 Torch Mobile Inc. 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 "WorkQueueItemQt.h"

QWebFrame* findFrameNamed(const QString& frameName, QWebFrame* frame)

{

    if (frame->frameName() == frameName)

        return frame;

    foreach (QWebFrame* childFrame, frame->childFrames())

        if (QWebFrame* f = findFrameNamed(frameName, childFrame))

            return f;

    return 0;

}

bool LoadItem::invoke() const

{

    //qDebug() << ">>>LoadItem::invoke";

    Q_ASSERT(m_webPage);

    QWebFrame* frame = 0;

    const QString t = target();

    if (t.isEmpty())

        frame = m_webPage->mainFrame();

    else

        frame = findFrameNamed(t, m_webPage->mainFrame());

    if (!frame)

        return false;

    frame->load(url());

    return true;

}

bool LoadHTMLStringItem::invoke() const

{

    Q_ASSERT(m_webPage);

    QWebFrame* frame = m_webPage->mainFrame();

    if (!frame)

        return false;

    frame->setHtml(m_content, QUrl(m_baseURL));

    return true;

}

bool ReloadItem::invoke() const

{

    //qDebug() << ">>>ReloadItem::invoke";

    Q_ASSERT(m_webPage);

    m_webPage->triggerAction(QWebPage::Reload);

    return true;

}

bool ScriptItem::invoke() const

{

    //qDebug() << ">>>ScriptItem::invoke";

    Q_ASSERT(m_webPage);

    m_webPage->mainFrame()->evaluateJavaScript(script());

    return true;

}

bool BackForwardItem::invoke() const

{

    //qDebug() << ">>>BackForwardItem::invoke";

    Q_ASSERT(m_webPage);

    if (!m_howFar)

        return false;

    if (m_howFar > 0) {

        for (int i = 0; i != m_howFar; ++i)

            m_webPage->triggerAction(QWebPage::Forward);

    } else {

        for (int i = 0; i != m_howFar; --i)

            m_webPage->triggerAction(QWebPage::Back);

    }

    return true;

}