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 "core/rendering/RenderBlockFlow.h"
25
26namespace blink {
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*);
37    virtual ~RenderFileUploadControl();
38
39    virtual bool isFileUploadControl() const OVERRIDE { return true; }
40
41    String buttonValue();
42    String fileTextValue() const;
43
44private:
45    virtual const char* renderName() const OVERRIDE { return "RenderFileUploadControl"; }
46
47    virtual void updateFromElement() OVERRIDE;
48    virtual void computeIntrinsicLogicalWidths(LayoutUnit& minLogicalWidth, LayoutUnit& maxLogicalWidth) const OVERRIDE;
49    virtual void computePreferredLogicalWidths() OVERRIDE;
50    virtual void paintObject(PaintInfo&, const LayoutPoint&) OVERRIDE;
51
52    int maxFilenameWidth() const;
53
54    virtual PositionWithAffinity positionForPoint(const LayoutPoint&) OVERRIDE;
55
56    HTMLInputElement* uploadButton() const;
57
58    bool m_canReceiveDroppedFiles;
59};
60
61DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderFileUploadControl, isFileUploadControl());
62
63} // namespace blink
64
65#endif // RenderFileUploadControl_h
66