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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 "MessageSenderInlines.h"
#include "WebPage.h"
#include "WebPageProxyMessages.h"
#include <WebCore/DataTransfer.h>
#include <WebCore/DragData.h>
#include <WebCore/GraphicsContext.h>
#include <WebCore/Pasteboard.h>
#include <WebCore/SelectionData.h>
#include <WebCore/ShareableBitmap.h>
#if USE(CAIRO)
#include <WebCore/CairoOperations.h>
#include <cairo.h>
#endif
namespace WebKit {
using namespace WebCore;
#if USE(CAIRO)
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));
auto bitmap = ShareableBitmap::create({ imageSize });
auto graphicsContext = bitmap->createGraphicsContext();
ASSERT(graphicsContext->hasPlatformContext());
auto& state = graphicsContext->state();
Cairo::drawSurface(*graphicsContext->platformContext(), surface, IntRect(IntPoint(), imageSize), IntRect(IntPoint(), imageSize), state.imageInterpolationQuality(), state.alpha(), Cairo::ShadowState(state));
return bitmap;
}
#endif
#if USE(SKIA)
static RefPtr<ShareableBitmap> convertSkiaImageToShareableBitmap(SkImage* image)
{
if (!image)
return nullptr;
IntSize imageSize(image->width(), image->height());
RefPtr bitmap = ShareableBitmap::create({ imageSize });
auto graphicsContext = bitmap->createGraphicsContext();
ASSERT(graphicsContext->hasPlatformContext());
graphicsContext->platformContext()->drawImage(image, 0, 0);
return bitmap;
}
#endif
void WebDragClient::didConcludeEditDrag()
{
}
void WebDragClient::startDrag(DragItem dragItem, DataTransfer& dataTransfer, Frame&)
{
std::optional<ShareableBitmap::Handle> handle;
auto* dragSurface = dragItem.image.get().get();
RefPtr<ShareableBitmap> bitmap;
#if USE(CAIRO)
bitmap = convertCairoSurfaceToShareableBitmap(dragSurface);
#elif USE(SKIA)
bitmap = convertSkiaImageToShareableBitmap(dragSurface);
#endif
if (bitmap) {
handle = bitmap->createHandle();
// If we have a bitmap, but cannot create a handle to it, we fail early.
if (!handle)
return;
}
m_page->willStartDrag();
m_page->send(Messages::WebPageProxy::StartDrag(dataTransfer.pasteboard().selectionData(), dataTransfer.sourceOperationMask(), WTFMove(handle), dataTransfer.dragLocation()));
}
}; // namespace WebKit.
#endif // ENABLE(DRAG_SUPPORT)
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