1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
|
/*
* 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 "ShareableBitmap.h"
#include "WebPage.h"
#include "WebPageProxyMessages.h"
#include <WebCore/CairoOperations.h>
#include <WebCore/DataTransfer.h>
#include <WebCore/DragData.h>
#include <WebCore/GraphicsContext.h>
#include <WebCore/Pasteboard.h>
#include <WebCore/SelectionData.h>
#include <cairo.h>
namespace WebKit {
using namespace WebCore;
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;
}
void WebDragClient::didConcludeEditDrag()
{
}
void WebDragClient::startDrag(DragItem item, DataTransfer& dataTransfer, LocalFrame&)
{
auto& dragImage = item.image;
RefPtr<ShareableBitmap> bitmap = convertCairoSurfaceToShareableBitmap(dragImage.get().get());
ShareableBitmap::Handle handle;
if (bitmap) {
if (auto imageHandle = bitmap->createHandle())
handle = WTFMove(*imageHandle);
else {
// If we have a bitmap, but cannot create a handle to it, we fail early.
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)
|
