1/*
2 * Copyright (c) 2008, 2009, Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *
8 *     * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *     * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 *     * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#ifndef ChromiumDataObject_h
32#define ChromiumDataObject_h
33
34#include "Clipboard.h"
35#include "KURL.h"
36#include "PlatformString.h"
37#include "SharedBuffer.h"
38#include <wtf/HashSet.h>
39#include <wtf/RefPtr.h>
40#include <wtf/Vector.h>
41#include <wtf/text/StringHash.h>
42
43namespace WebCore {
44
45// A data object for holding data that would be in a clipboard or moved
46// during a drag-n-drop operation.  This is the data that WebCore is aware
47// of and is not specific to a platform.
48class ChromiumDataObject : public RefCounted<ChromiumDataObject> {
49public:
50    static PassRefPtr<ChromiumDataObject> create(Clipboard::ClipboardType clipboardType)
51    {
52        return adoptRef(new ChromiumDataObject(clipboardType));
53    }
54
55    PassRefPtr<ChromiumDataObject> copy() const
56    {
57        return adoptRef(new ChromiumDataObject(*this));
58    }
59
60    void clearData(const String& type);
61    void clearAll();
62    void clearAllExceptFiles();
63
64    bool hasData() const;
65
66    HashSet<String> types() const;
67    String getData(const String& type, bool& success);
68    bool setData(const String& type, const String& data);
69
70    // Special handlers for URL/HTML metadata.
71    String urlTitle() const { return m_urlTitle; }
72    void setUrlTitle(const String& urlTitle) { m_urlTitle = urlTitle; }
73    KURL htmlBaseUrl() const { return m_htmlBaseUrl; }
74    void setHtmlBaseUrl(const KURL& url) { m_htmlBaseUrl = url; }
75
76    // Used to handle files being dragged in.
77    bool containsFilenames() const;
78    Vector<String> filenames() const { return m_filenames; }
79    void setFilenames(const Vector<String>& filenames) { m_filenames = filenames; }
80
81    // Used to handle files (images) being dragged out.
82    String fileExtension() const { return m_fileExtension; }
83    void setFileExtension(const String& fileExtension) { m_fileExtension = fileExtension; }
84    String fileContentFilename() const { return m_fileContentFilename; }
85    void setFileContentFilename(const String& fileContentFilename) { m_fileContentFilename = fileContentFilename; }
86    PassRefPtr<SharedBuffer> fileContent() const { return m_fileContent; }
87    void setFileContent(PassRefPtr<SharedBuffer> fileContent) { m_fileContent = fileContent; }
88
89private:
90    ChromiumDataObject(Clipboard::ClipboardType);
91    ChromiumDataObject(const ChromiumDataObject&);
92
93    Clipboard::ClipboardType m_clipboardType;
94
95    String m_urlTitle;
96
97    String m_downloadMetadata;
98
99    String m_fileExtension;
100    Vector<String> m_filenames;
101
102    String m_plainText;
103
104    String m_textHtml;
105    KURL m_htmlBaseUrl;
106
107    String m_fileContentFilename;
108    RefPtr<SharedBuffer> m_fileContent;
109
110    // These two are linked. Setting m_url will set m_uriList to the same
111    // string value; setting m_uriList will cause its contents to be parsed
112    // according to RFC 2483 and the first URL found will be set in m_url.
113    KURL m_url;
114    String m_uriList;
115};
116
117} // namespace WebCore
118
119#endif
120
121