/*

 * Copyright (C) 2007 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,

 * 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 "ClipboardQt.h"

#include "NotImplemented.h"

#include "DeprecatedString.h"

#include "Document.h"

#include "Frame.h"

#include "IntPoint.h"

#include "KURL.h"

#include "PlatformString.h"

#include "Range.h"

#include "StringHash.h"

#include <QList>

#include <QMimeData>

#include <QStringList>

#include <QUrl>

namespace WebCore {

ClipboardQt::ClipboardQt(ClipboardAccessPolicy policy, const QMimeData* readableClipboard, bool forDragging)

    : Clipboard(policy, forDragging)

    , m_readableData(readableClipboard)

    , m_writableData(0)

{

    ASSERT(m_readableData);

}    

ClipboardQt::ClipboardQt(ClipboardAccessPolicy policy, bool forDragging)

    : Clipboard(policy, forDragging)

{

    m_writableData = new QMimeData();

    m_readableData = m_writableData;    

}

ClipboardQt::~ClipboardQt()

{

    if (m_writableData)

        delete m_writableData;

    m_readableData = 0;

}

void ClipboardQt::clearData(const String& type)

{

    ASSERT(m_writableData);

    notImplemented();

}

void ClipboardQt::clearAllData() 

{

    ASSERT(m_writableData);

    m_writableData->clear();

}

String ClipboardQt::getData(const String& type, bool& success) const 

{

    ASSERT(m_writableData);

    QByteArray data = m_writableData->data(QString(type));

    success = !data.isEmpty();

    return String(data.data(), data.size());

}

bool ClipboardQt::setData(const String& type, const String& data) 

{

    ASSERT(m_writableData);

    QByteArray array(reinterpret_cast<const char*>(data.characters()),

                     data.length());

    m_writableData->setData(QString(type), array);

    return true;

}

// extensions beyond IE's API

HashSet<String> ClipboardQt::types() const

{

    HashSet<String> result;

    QStringList formats = m_writableData->formats();

    for (int i = 0; i < formats.count(); ++i) {

        String type(formats.at(i).toLatin1().data());

        result.add(type);

    }

    return result;

}

IntPoint ClipboardQt::dragLocation() const 

{ 

    notImplemented();

    return IntPoint(0,0);

}

CachedImage* ClipboardQt::dragImage() const 

{

    notImplemented();

    return 0; 

}

void ClipboardQt::setDragImage(CachedImage*, const IntPoint&) 

{

    notImplemented();

}

Node* ClipboardQt::dragImageElement() 

{

    notImplemented();

    return 0; 

}

void ClipboardQt::setDragImageElement(Node*, const IntPoint&)

{

    notImplemented();

}

DragImageRef ClipboardQt::createDragImage(IntPoint& dragLoc) const

{ 

    notImplemented();

    return 0;

}

void ClipboardQt::declareAndWriteDragImage(Element*, const KURL&, const String&, Frame*) 

{

    ASSERT(m_writableData);

    notImplemented();

}

void ClipboardQt::writeURL(const KURL& url, const String&, Frame* frame) 

{

    ASSERT(m_writableData);

    QList<QUrl> urls;

    urls.append(QUrl(frame->document()->completeURL(url.url())));

    m_writableData->setUrls(urls);

}

void ClipboardQt::writeRange(Range* range, Frame*) 

{

    ASSERT(m_writableData);

    m_writableData->setText(range->text());

    m_writableData->setHtml(range->toHTML());

}

bool ClipboardQt::hasData() 

{

    return m_readableData->formats().count() > 0;

}

}