1 /*
2 * Copyright (C) 2006, 2007, 2009 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 "FileChooser.h"
25 #include "RenderBlock.h"
26
27 namespace WebCore {
28
29 class Chrome;
30 class HTMLInputElement;
31
32 // Each RenderFileUploadControl contains a RenderButton (for opening the file chooser), and
33 // sufficient space to draw a file icon and filename. The RenderButton has a shadow node
34 // associated with it to receive click/hover events.
35
36 class RenderFileUploadControl : public RenderBlock, private FileChooserClient {
37 public:
38 RenderFileUploadControl(HTMLInputElement*);
39 virtual ~RenderFileUploadControl();
40
isFileUploadControl()41 virtual bool isFileUploadControl() const { return true; }
42
43 void click();
44
45 void receiveDroppedFiles(const Vector<String>&);
46
47 String buttonValue();
48 String fileTextValue() const;
49
50 private:
renderName()51 virtual const char* renderName() const { return "RenderFileUploadControl"; }
52
53 virtual void updateFromElement();
54 virtual void computePreferredLogicalWidths();
55 virtual void paintObject(PaintInfo&, int tx, int ty);
56
57 virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle);
58
requiresForcedStyleRecalcPropagation()59 virtual bool requiresForcedStyleRecalcPropagation() const { return true; }
60
61 // FileChooserClient methods.
62 void valueChanged();
repaint()63 void repaint() { RenderBlock::repaint(); }
64 bool allowsMultipleFiles();
65 #if ENABLE(DIRECTORY_UPLOAD)
66 bool allowsDirectoryUpload();
67 void receiveDropForDirectoryUpload(const Vector<String>&);
68 #endif
69 String acceptTypes();
70 void chooseIconForFiles(FileChooser*, const Vector<String>&);
71
72 Chrome* chrome() const;
73 int maxFilenameWidth() const;
74 PassRefPtr<RenderStyle> createButtonStyle(const RenderStyle* parentStyle) const;
75
76 virtual VisiblePosition positionForPoint(const IntPoint&);
77
78 RefPtr<HTMLInputElement> m_button;
79 RefPtr<FileChooser> m_fileChooser;
80 };
81
toRenderFileUploadControl(RenderObject * object)82 inline RenderFileUploadControl* toRenderFileUploadControl(RenderObject* object)
83 {
84 ASSERT(!object || object->isFileUploadControl());
85 return static_cast<RenderFileUploadControl*>(object);
86 }
87
toRenderFileUploadControl(const RenderObject * object)88 inline const RenderFileUploadControl* toRenderFileUploadControl(const RenderObject* object)
89 {
90 ASSERT(!object || object->isFileUploadControl());
91 return static_cast<const RenderFileUploadControl*>(object);
92 }
93
94 // This will catch anyone doing an unnecessary cast.
95 void toRenderFileUploadControl(const RenderFileUploadControl*);
96
97 } // namespace WebCore
98
99 #endif // RenderFileUploadControl_h
100