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/*
* Copyright (C) 2011 Igalia S.L.
*
* 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 INC. 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 INC. 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 "WebDragClient.h"
#if ENABLE(DRAG_SUPPORT)
#include "ArgumentCodersGtk.h"
#include "ShareableBitmap.h"
#include "WebPage.h"
#include "WebPageProxyMessages.h"
#include "WebSelectionData.h"
#include <WebCore/DataTransfer.h>
#include <WebCore/DragData.h>
#include <WebCore/GraphicsContext.h>
#include <WebCore/Pasteboard.h>
#include <WebCore/PlatformContextCairo.h>
using namespace WebCore;
namespace WebKit {
static RefPtr<ShareableBitmap> convertCairoSurfaceToShareableBitmap(cairo_surface_t* surface)
{
if (!surface)
return nullptr;
IntSize imageSize(cairo_image_surface_get_width(surface), cairo_image_surface_get_height(surface));
RefPtr<ShareableBitmap> bitmap = ShareableBitmap::createShareable(imageSize, ShareableBitmap::SupportsAlpha);
auto graphicsContext = bitmap->createGraphicsContext();
graphicsContext->platformContext()->drawSurfaceToContext(surface, IntRect(IntPoint(), imageSize), IntRect(IntPoint(), imageSize), *graphicsContext);
return bitmap;
}
void WebDragClient::startDrag(DragImage dragImage, const IntPoint& clientPosition, const IntPoint& globalPosition, const FloatPoint&, DataTransfer& dataTransfer, Frame&, DragSourceAction)
{
RefPtr<ShareableBitmap> bitmap = convertCairoSurfaceToShareableBitmap(dragImage.get().get());
ShareableBitmap::Handle handle;
// If we have a bitmap, but cannot create a handle to it, we fail early.
if (bitmap && !bitmap->createHandle(handle))
return;
m_page->willStartDrag();
WebSelectionData selection(dataTransfer.pasteboard().selectionData());
m_page->send(Messages::WebPageProxy::StartDrag(selection, dataTransfer.sourceOperation(), handle));
}
}; // namespace WebKit.
#endif // ENABLE(DRAG_SUPPORT)
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