1/*
2 * Copyright (c) 2010 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 WritableDataObject_h
32#define WritableDataObject_h
33
34#include "Clipboard.h"
35#include "KURL.h"
36#include "PlatformString.h"
37#include "SharedBuffer.h"
38#include <wtf/HashMap.h>
39#include <wtf/RefCounted.h>
40#include <wtf/RefPtr.h>
41#include <wtf/text/StringHash.h>
42
43namespace WebCore {
44
45// Used for one way communication of drag/drop and copy/paste data from the
46// renderer to the browser. This is intenteded to be used in dragstart/copy/cut
47// events. Due to shortcomings, writes to the pasteboard cannot be performed
48// atomically.
49class WritableDataObject : public RefCounted<WritableDataObject> {
50public:
51    static PassRefPtr<WritableDataObject> create(Clipboard::ClipboardType);
52
53    void clearData(const String& type);
54    void clearAllExceptFiles();
55    void clearAll();
56    bool setData(const String& type, const String& data);
57
58    void setUrlTitle(const String& title) { m_urlTitle = title; }
59    void setHtmlBaseUrl(const KURL& baseURL) { m_htmlBaseURL = baseURL; }
60
61    // Used for transferring drag data from the renderer to the browser.
62    HashMap<String, String> dataMap() const { return m_dataMap; }
63    String urlTitle() const { return m_urlTitle; }
64    KURL htmlBaseURL() const { return m_htmlBaseURL; }
65
66    String fileExtension() const { return m_fileExtension; }
67    String fileContentFilename() const { return m_fileContentFilename; }
68    PassRefPtr<SharedBuffer> fileContent() const { return m_fileContent; }
69    void setFileExtension(const String& fileExtension) { m_fileExtension = fileExtension; }
70    void setFileContentFilename(const String& fileContentFilename) { m_fileContentFilename = fileContentFilename; }
71    void setFileContent(PassRefPtr<SharedBuffer> fileContent) { m_fileContent = fileContent; }
72
73private:
74    explicit WritableDataObject(Clipboard::ClipboardType);
75
76    Clipboard::ClipboardType m_clipboardType;
77
78    HashMap<String, String> m_dataMap;
79    String m_urlTitle;
80    KURL m_htmlBaseURL;
81    String m_fileExtension;
82    String m_fileContentFilename;
83    RefPtr<SharedBuffer> m_fileContent;
84};
85
86} // namespace WebCore
87
88#endif
89