1/*
2 * Copyright (C) 2010 Google Inc. All rights reserved.
3 * Copyright (C) 2011 Apple Inc. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met:
8 *
9 *     * Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *     * Redistributions in binary form must reproduce the above
12 * copyright notice, this list of conditions and the following disclaimer
13 * in the documentation and/or other materials provided with the
14 * distribution.
15 *     * Neither the name of Google Inc. nor the names of its
16 * contributors may be used to endorse or promote products derived from
17 * this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#ifndef FileInputType_h
33#define FileInputType_h
34
35#include "BaseClickableWithKeyInputType.h"
36#include "FileChooser.h"
37#include "FileIconLoader.h"
38#include <wtf/RefPtr.h>
39
40namespace WebCore {
41
42class DragData;
43class FileList;
44
45class FileInputType : public BaseClickableWithKeyInputType, private FileChooserClient, private FileIconLoaderClient {
46public:
47    static PassOwnPtr<InputType> create(HTMLInputElement*);
48    virtual ~FileInputType();
49
50    static Vector<FileChooserFileInfo> filesFromFormControlState(const FormControlState&);
51
52private:
53    FileInputType(HTMLInputElement*);
54
55    virtual const AtomicString& formControlType() const OVERRIDE;
56    virtual FormControlState saveFormControlState() const OVERRIDE;
57    virtual void restoreFormControlState(const FormControlState&) OVERRIDE;
58    virtual bool appendFormData(FormDataList&, bool) const OVERRIDE;
59    virtual bool valueMissing(const String&) const OVERRIDE;
60    virtual String valueMissingText() const OVERRIDE;
61    virtual void handleDOMActivateEvent(Event*) OVERRIDE;
62    virtual RenderObject* createRenderer(RenderArena*, RenderStyle*) const OVERRIDE;
63    virtual bool canSetStringValue() const OVERRIDE;
64    virtual bool canChangeFromAnotherType() const OVERRIDE;
65    virtual FileList* files() OVERRIDE;
66    virtual void setFiles(PassRefPtr<FileList>) OVERRIDE;
67    virtual bool canSetValue(const String&) OVERRIDE;
68    virtual bool getTypeSpecificValue(String&) OVERRIDE; // Checked first, before internal storage or the value attribute.
69    virtual void setValue(const String&, bool valueChanged, TextFieldEventBehavior) OVERRIDE;
70    virtual bool receiveDroppedFiles(const DragData*) OVERRIDE;
71#if ENABLE(FILE_SYSTEM)
72    virtual String droppedFileSystemId() OVERRIDE;
73#endif
74    virtual Icon* icon() const OVERRIDE;
75    virtual bool isFileUpload() const OVERRIDE;
76    virtual void createShadowSubtree() OVERRIDE;
77    virtual void disabledAttributeChanged() OVERRIDE;
78    virtual void multipleAttributeChanged() OVERRIDE;
79    virtual String defaultToolTip() const OVERRIDE;
80
81    // FileChooserClient implementation.
82    virtual void filesChosen(const Vector<FileChooserFileInfo>&) OVERRIDE;
83
84    // FileIconLoaderClient implementation.
85    virtual void updateRendering(PassRefPtr<Icon>) OVERRIDE;
86
87    PassRefPtr<FileList> createFileList(const Vector<FileChooserFileInfo>& files) const;
88#if ENABLE(DIRECTORY_UPLOAD)
89    void receiveDropForDirectoryUpload(const Vector<String>&);
90#endif
91    void requestIcon(const Vector<String>&);
92
93    void applyFileChooserSettings(const FileChooserSettings&);
94
95    RefPtr<FileChooser> m_fileChooser;
96    RefPtr<FileIconLoader> m_fileIconLoader;
97
98    RefPtr<FileList> m_fileList;
99    RefPtr<Icon> m_icon;
100
101#if ENABLE(FILE_SYSTEM)
102    String m_droppedFileSystemId;
103#endif
104};
105
106} // namespace WebCore
107
108#endif // FileInputType_h
109