Cancel composition when focused node was changed
[framework/web/webkit-efl.git] / Source / WebKit2 / WebProcess / WebCoreSupport / gtk / WebDragClientGtk.cpp
1 /*
2  * Copyright (C) 2011 Igalia S.L.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23  * THE POSSIBILITY OF SUCH DAMAGE.
24  */
25
26 #include "config.h"
27 #include "WebDragClient.h"
28
29 #include "ArgumentCodersGtk.h"
30 #include "ShareableBitmap.h"
31 #include "WebPage.h"
32 #include "WebPageProxyMessages.h"
33 #include <WebCore/ClipboardGtk.h>
34 #include <WebCore/DragData.h>
35 #include <WebCore/GraphicsContext.h>
36 #include <WebCore/PlatformContextCairo.h>
37
38 using namespace WebCore;
39
40 namespace WebKit {
41
42 static PassRefPtr<ShareableBitmap> convertCairoSurfaceToShareableBitmap(cairo_surface_t* surface)
43 {
44     if (!surface)
45         return 0;
46
47     IntSize imageSize(cairo_image_surface_get_width(surface), cairo_image_surface_get_height(surface));
48     RefPtr<ShareableBitmap> bitmap = ShareableBitmap::createShareable(imageSize, ShareableBitmap::SupportsAlpha);
49     OwnPtr<GraphicsContext> graphicsContext = bitmap->createGraphicsContext();
50
51     graphicsContext->platformContext()->drawSurfaceToContext(surface, IntRect(IntPoint(), imageSize), IntRect(IntPoint(), imageSize), graphicsContext.get());
52     return bitmap.release();
53 }
54
55 void WebDragClient::startDrag(DragImageRef dragImage, const IntPoint& clientPosition, const IntPoint& globalPosition, Clipboard* clipboard, Frame*, bool)
56 {
57     RefPtr<ShareableBitmap> bitmap = convertCairoSurfaceToShareableBitmap(dragImage);
58     ShareableBitmap::Handle handle;
59
60     // If we have a bitmap, but cannot create a handle to it, we fail early.
61     if (bitmap && !bitmap->createHandle(handle))
62         return;
63
64     RefPtr<DataObjectGtk> dataObject = reinterpret_cast<ClipboardGtk*>(clipboard)->dataObject();
65     DragData dragData(dataObject.get(), clientPosition, globalPosition, clipboard->sourceOperation());
66     m_page->send(Messages::WebPageProxy::StartDrag(dragData, handle));
67 }
68
69 }; // namespace WebKit.