/*

 * Copyright (C) 2009 Google 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:

 *

 *     * Redistributions of source code must retain the above copyright

 * notice, this list of conditions and the following disclaimer.

 *     * 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.

 *     * Neither the name of Google Inc. 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT

 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

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 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

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 */

#include "config.h"

#include "DragClientImpl.h"

#include "DragImageRef.h"

#include "ChromiumDataObject.h"

#include "ClipboardChromium.h"

#include "Frame.h"

#include "NativeImageSkia.h"

#include "WebCommon.h"

#include "WebDragData.h"

#include "WebImage.h"

#include "WebViewClient.h"

#include "WebViewImpl.h"

using namespace WebCore;

namespace WebKit {

void DragClientImpl::willPerformDragDestinationAction(DragDestinationAction, DragData*)

{

    // FIXME

}

void DragClientImpl::willPerformDragSourceAction(DragSourceAction, const IntPoint&, Clipboard*)

{

    // FIXME

}

DragDestinationAction DragClientImpl::actionMaskForDrag(DragData*)

{

    if (m_webView->client() && m_webView->client()->acceptsLoadDrops())

        return DragDestinationActionAny;

    return static_cast<DragDestinationAction>(

        DragDestinationActionDHTML | DragDestinationActionEdit);

}

DragSourceAction DragClientImpl::dragSourceActionMaskForPoint(const IntPoint& windowPoint)

{

    // We want to handle drag operations for all source types.

    return DragSourceActionAny;

}

void DragClientImpl::startDrag(DragImageRef dragImage,

                               const IntPoint& dragImageOrigin,

                               const IntPoint& eventPos,

                               Clipboard* clipboard,

                               Frame* frame,

                               bool isLinkDrag)

{

    // Add a ref to the frame just in case a load occurs mid-drag.

    RefPtr<Frame> frameProtector = frame;

    WebDragData dragData = static_cast<ClipboardChromium*>(clipboard)->dataObject();

    DragOperation dragOperationMask = clipboard->sourceOperation();

    IntSize offsetSize(eventPos - dragImageOrigin);

    WebPoint offsetPoint(offsetSize.width(), offsetSize.height());

    m_webView->startDragging(

        dragData, static_cast<WebDragOperationsMask>(dragOperationMask),

#if WEBKIT_USING_SKIA

        dragImage ? WebImage(*dragImage) : WebImage(),

#else

        dragImage ? WebImage(dragImage) : WebImage(),

#endif

        offsetPoint);

}

DragImageRef DragClientImpl::createDragImageForLink(KURL&, const String& label, Frame*)

{

    // FIXME

    return 0;

}

void DragClientImpl::dragControllerDestroyed()

{

    // Our lifetime is bound to the WebViewImpl.

}

} // namespace WebKit