/*

 * Copyright (C) 2007 Apple Inc.  All rights reserved.

 * Copyright (C) 2008, 2009 Google Inc.

 *

 * 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. 

 */

// Modified from DragDataWin.cpp to not directly call any windows methods as

// they may not be available to us in the multiprocess 

#include "config.h"

#include "DragData.h"

#include "ChromiumBridge.h"

#include "ChromiumDataObject.h"

#include "Clipboard.h"

#include "ClipboardChromium.h"

#include "DocumentFragment.h"

#include "FileSystem.h"

#include "KURL.h"

#include "markup.h"

#include "NotImplemented.h"

#include "PlatformString.h"

namespace WebCore {

static bool containsHTML(const ChromiumDataObject* dropData)

{

    return dropData->textHtml.length() > 0;

}

PassRefPtr<Clipboard> DragData::createClipboard(ClipboardAccessPolicy policy) const

{

    RefPtr<ClipboardChromium> clipboard = ClipboardChromium::create(true,

        m_platformDragData, policy);

    return clipboard.release();

}

bool DragData::containsURL(FilenameConversionPolicy filenamePolicy) const

{

    return !asURL(filenamePolicy).isEmpty();

}

String DragData::asURL(FilenameConversionPolicy filenamePolicy, String* title) const

{

    String url;

    if (m_platformDragData->hasValidURL())

        url = m_platformDragData->getURL().string();

    else if (filenamePolicy == ConvertFilenames && !m_platformDragData->filenames.isEmpty()) {

        String fileName = m_platformDragData->filenames[0];

        fileName = ChromiumBridge::getAbsolutePath(fileName);

        url = ChromiumBridge::filePathToURL(fileName).string();

    }

    // |title| can be NULL

    if (title)

        *title = m_platformDragData->urlTitle;

    return url;

}

bool DragData::containsFiles() const

{

    return !m_platformDragData->filenames.isEmpty();

}

void DragData::asFilenames(Vector<String>& result) const

{

    for (size_t i = 0; i < m_platformDragData->filenames.size(); ++i)

        result.append(m_platformDragData->filenames[i]);

}

bool DragData::containsPlainText() const

{

    return !m_platformDragData->plainText.isEmpty();

}

String DragData::asPlainText() const

{

    return m_platformDragData->plainText;

}

bool DragData::containsColor() const

{

    notImplemented();

    return false;

}

bool DragData::canSmartReplace() const

{

    // Mimic the situations in which mac allows drag&drop to do a smart replace.

    // This is allowed whenever the drag data contains a 'range' (ie.,

    // ClipboardWin::writeRange is called).  For example, dragging a link

    // should not result in a space being added.

    return !m_platformDragData->plainText.isEmpty()

        && !m_platformDragData->hasValidURL();

}

bool DragData::containsCompatibleContent() const

{

    return containsPlainText()

        || containsURL()

        || containsHTML(m_platformDragData)

        || containsColor()

        || containsFiles();

}

PassRefPtr<DocumentFragment> DragData::asFragment(Document* doc) const

{     

    /*

     * Order is richest format first. On OSX this is:

     * * Web Archive

     * * Filenames

     * * HTML

     * * RTF

     * * TIFF

     * * PICT

     */

    if (containsFiles()) {

        // FIXME: Implement this.  Should be pretty simple to make some HTML

        // and call createFragmentFromMarkup.

        //if (RefPtr<DocumentFragment> fragment = createFragmentFromMarkup(doc,

        //    ?, KURL()))

        //    return fragment;

    }

    if (!m_platformDragData->textHtml.isEmpty()) {

        RefPtr<DocumentFragment> fragment = createFragmentFromMarkup(doc,

            m_platformDragData->textHtml, m_platformDragData->htmlBaseUrl, FragmentScriptingNotAllowed);

        return fragment.release();

    }

    return 0;

}

Color DragData::asColor() const

{

    notImplemented();

    return Color();

}

} // namespace WebCore