1/*
2 * Copyright (C) 2006, 2007, 2009, 2012 Apple Inc. All rights reserved.
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12 * Library General Public License for more details.
13 *
14 * You should have received a copy of the GNU Library General Public License
15 * along with this library; see the file COPYING.LIB.  If not, write to
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
18 *
19 */
20
21#ifndef RenderFileUploadControl_h
22#define RenderFileUploadControl_h
23
24#include "RenderBlockFlow.h"
25
26namespace WebCore {
27
28class HTMLInputElement;
29
30// Each RenderFileUploadControl contains a RenderButton (for opening the file chooser), and
31// sufficient space to draw a file icon and filename. The RenderButton has a shadow node
32// associated with it to receive click/hover events.
33
34class RenderFileUploadControl final : public RenderBlockFlow {
35public:
36    RenderFileUploadControl(HTMLInputElement&, PassRef<RenderStyle>);
37    virtual ~RenderFileUploadControl();
38
39    String buttonValue();
40    String fileTextValue() const;
41
42    HTMLInputElement& inputElement() const;
43
44private:
45    void element() const = delete;
46
47    virtual bool isFileUploadControl() const override { return true; }
48
49    virtual const char* renderName() const override { return "RenderFileUploadControl"; }
50
51    virtual void updateFromElement() override;
52    virtual void computeIntrinsicLogicalWidths(LayoutUnit& minLogicalWidth, LayoutUnit& maxLogicalWidth) const override;
53    virtual void computePreferredLogicalWidths() override;
54    virtual void paintObject(PaintInfo&, const LayoutPoint&) override;
55
56    virtual bool requiresForcedStyleRecalcPropagation() const override { return true; }
57
58    int maxFilenameWidth() const;
59
60    virtual VisiblePosition positionForPoint(const LayoutPoint&, const RenderRegion*) override;
61
62    HTMLInputElement* uploadButton() const;
63
64    bool m_canReceiveDroppedFiles;
65};
66
67RENDER_OBJECT_TYPE_CASTS(RenderFileUploadControl, isFileUploadControl())
68
69} // namespace WebCore
70
71#endif // RenderFileUploadControl_h
72