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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// This file declares the ScopedClipboardWriter class, a wrapper around
// the Clipboard class which simplifies writing data to the system clipboard.
// Upon deletion the class atomically writes all data to the clipboard,
// avoiding any potential race condition with other processes that are also
// writing to the system clipboard.
#ifndef UI_BASE_CLIPBOARD_SCOPED_CLIPBOARD_WRITER_H_
#define UI_BASE_CLIPBOARD_SCOPED_CLIPBOARD_WRITER_H_
#include <string>
#include "base/macros.h"
#include "base/strings/string16.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "ui/base/clipboard/clipboard.h"
#include "ui/base/ui_base_export.h"
namespace base {
class Pickle;
}
namespace ui {
// This class is a wrapper for |Clipboard| that handles packing data
// into a Clipboard::ObjectMap.
class UI_BASE_EXPORT ScopedClipboardWriter {
public:
// Create an instance that is a simple wrapper around the clipboard of the
// given type.
explicit ScopedClipboardWriter(ClipboardType type);
~ScopedClipboardWriter();
// Converts |text| to UTF-8 and adds it to the clipboard.
void WriteText(const base::string16& text);
// Adds HTML to the clipboard. The url parameter is optional, but especially
// useful if the HTML fragment contains relative links.
void WriteHTML(const base::string16& markup, const std::string& source_url);
// Adds RTF to the clipboard.
void WriteRTF(const std::string& rtf_data);
// Adds a bookmark to the clipboard.
void WriteBookmark(const base::string16& bookmark_title,
const std::string& url);
// Adds an html hyperlink (<a href>) to the clipboard. |anchor_text| and
// |url| will be escaped as needed.
void WriteHyperlink(const base::string16& anchor_text,
const std::string& url);
// Used by WebKit to determine whether WebKit wrote the clipboard last
void WriteWebSmartPaste();
// Adds arbitrary pickled data to clipboard.
void WritePickledData(const base::Pickle& pickle,
const Clipboard::FormatType& format);
// Adds custom data to clipboard.
void WriteData(const std::string& type, const std::string& data);
void WriteImage(const SkBitmap& bitmap);
// Removes all objects that would be written to the clipboard.
void Reset();
void set_type(ClipboardType type) { type_ = type; }
private:
// We accumulate the data passed to the various targets in the |objects_|
// vector, and pass it to Clipboard::WriteObjects() during object destruction.
Clipboard::ObjectMap objects_;
// The type is set at construction, and can be changed before committing.
ClipboardType type_;
SkBitmap bitmap_;
DISALLOW_COPY_AND_ASSIGN(ScopedClipboardWriter);
};
} // namespace ui
#endif // UI_BASE_CLIPBOARD_SCOPED_CLIPBOARD_WRITER_H_
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