xref: /external/webkit/Source/WebKit/chromium/src/DragClientImpl.cpp

/*
 * Copyright (C) 2009 Google Inc. All rights reserved.
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 * 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.
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 * in the documentation and/or other materials provided with the
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 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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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);
}

void DragClientImpl::dragControllerDestroyed()
{
    // Our lifetime is bound to the WebViewImpl.
}

} // namespace WebKit