1/*
2 * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
3 * Copyright (C) 2006 Alexey Proskuryakov (ap@nypop.com)
4 * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
16 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
18 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
19 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
22 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
23 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#import "config.h"
29#import "Frame.h"
30
31#import "Document.h"
32#import "FrameLoaderClient.h"
33#import "FrameSelection.h"
34#import "FrameSnapshottingMac.h"
35#import "FrameView.h"
36#import "RenderObject.h"
37
38namespace WebCore {
39
40DragImageRef Frame::nodeImage(Node* node)
41{
42    m_doc->updateLayout(); // forces style recalc
43
44    RenderObject* renderer = node->renderer();
45    if (!renderer)
46        return nil;
47    LayoutRect topLevelRect;
48    NSRect paintingRect = pixelSnappedIntRect(renderer->paintingRootRect(topLevelRect));
49
50    m_view->setNodeToDraw(node); // invoke special sub-tree drawing mode
51    NSImage* result = imageFromRect(this, paintingRect);
52    m_view->setNodeToDraw(0);
53
54    return result;
55}
56
57DragImageRef Frame::dragImageForSelection()
58{
59    if (!selection()->isRange())
60        return nil;
61    return selectionImage(this);
62}
63
64} // namespace WebCore
65