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// Copyright (c) 2006-2008 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 |clipboard_|,
// avoiding any potential race condition with other processes that are also
// writing to the system clipboard.
#ifndef BASE_SCOPED_CLIPBOARD_WRITER_H_
#define BASE_SCOPED_CLIPBOARD_WRITER_H_
#include <string>
#include <vector>
#include "base/clipboard.h"
#include "base/file_path.h"
#include "base/string16.h"
// This class is a wrapper for |Clipboard| that handles packing data
// into a Clipboard::ObjectMap.
// NB: You should probably NOT be using this class if you include
// webkit_glue.h. Use ScopedClipboardWriterGlue instead.
class ScopedClipboardWriter {
public:
// Create an instance that is a simple wrapper around clipboard.
ScopedClipboardWriter(Clipboard* clipboard);
~ScopedClipboardWriter();
// Converts |text| to UTF-8 and adds it to the clipboard.
void WriteText(const 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 string16& markup, const std::string& source_url);
// Adds a bookmark to the clipboard.
void WriteBookmark(const string16& bookmark_title,
const std::string& url);
// Adds both a bookmark and an HTML hyperlink to the clipboard. It is a
// convenience wrapper around WriteBookmark and WriteHTML. |link_text| is
// used as the bookmark title.
void WriteHyperlink(const string16& link_text, const std::string& url);
// Adds a file or group of files to the clipboard.
void WriteFile(const FilePath& file);
void WriteFiles(const std::vector<FilePath>& files);
// Used by WebKit to determine whether WebKit wrote the clipboard last
void WriteWebSmartPaste();
#if defined(OS_WIN)
// Adds a bitmap to the clipboard
// This is the slowest way to copy a bitmap to the clipboard as we must first
// memcpy the pixels into GDI and the blit the bitmap to the clipboard.
// Pixel format is assumed to be 32-bit BI_RGB.
void WriteBitmapFromPixels(const void* pixels, const gfx::Size& size);
#endif // defined(OS_WIN)
protected:
// 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_;
Clipboard* clipboard_;
private:
DISALLOW_COPY_AND_ASSIGN(ScopedClipboardWriter);
};
#endif // SCOPED_CLIPBOARD_WRITER_H_
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