1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 // This file declares the ScopedClipboardWriter class, a wrapper around
6 // the Clipboard class which simplifies writing data to the system clipboard.
7 // Upon deletion the class atomically writes all data to the clipboard,
8 // avoiding any potential race condition with other processes that are also
9 // writing to the system clipboard.
11 #ifndef UI_BASE_CLIPBOARD_SCOPED_CLIPBOARD_WRITER_H_
12 #define UI_BASE_CLIPBOARD_SCOPED_CLIPBOARD_WRITER_H_
16 #include "base/strings/string16.h"
17 #include "ui/base/clipboard/clipboard.h"
18 #include "ui/base/ui_base_export.h"
24 // This class is a wrapper for |Clipboard| that handles packing data
25 // into a Clipboard::ObjectMap.
26 class UI_BASE_EXPORT ScopedClipboardWriter {
28 // Create an instance that is a simple wrapper around the clipboard of the
30 explicit ScopedClipboardWriter(ClipboardType type);
32 ~ScopedClipboardWriter();
34 // Converts |text| to UTF-8 and adds it to the clipboard.
35 void WriteText(const base::string16& text);
37 // Converts the text of the URL to UTF-8 and adds it to the clipboard, then
38 // notifies the Clipboard that we just wrote a URL.
39 void WriteURL(const base::string16& text);
41 // Adds HTML to the clipboard. The url parameter is optional, but especially
42 // useful if the HTML fragment contains relative links.
43 void WriteHTML(const base::string16& markup, const std::string& source_url);
45 // Adds RTF to the clipboard.
46 void WriteRTF(const std::string& rtf_data);
48 // Adds a bookmark to the clipboard.
49 void WriteBookmark(const base::string16& bookmark_title,
50 const std::string& url);
52 // Adds an html hyperlink (<a href>) to the clipboard. |anchor_text| and
53 // |url| will be escaped as needed.
54 void WriteHyperlink(const base::string16& anchor_text,
55 const std::string& url);
57 // Used by WebKit to determine whether WebKit wrote the clipboard last
58 void WriteWebSmartPaste();
60 // Adds arbitrary pickled data to clipboard.
61 void WritePickledData(const Pickle& pickle,
62 const Clipboard::FormatType& format);
64 // Removes all objects that would be written to the clipboard.
68 // Converts |text| to UTF-8 and adds it to the clipboard. If it's a URL, we
69 // also notify the clipboard of that fact.
70 void WriteTextOrURL(const base::string16& text, bool is_url);
72 // We accumulate the data passed to the various targets in the |objects_|
73 // vector, and pass it to Clipboard::WriteObjects() during object destruction.
74 Clipboard::ObjectMap objects_;
75 const ClipboardType type_;
77 // We keep around the UTF-8 text of the URL in order to pass it to
78 // Clipboard::DidWriteURL().
79 std::string url_text_;
82 DISALLOW_COPY_AND_ASSIGN(ScopedClipboardWriter);
87 #endif // UI_BASE_CLIPBOARD_SCOPED_CLIPBOARD_WRITER_H_