estade@chromium.org
425c7c749f
Writing a bitmap to the clipboard is a rather slow operation, as it involves piping it over IPC and then converting it to a PNG. Review URL: http://codereview.chromium.org/42592 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@12482 0039d316-1c4b-4281-b951-d872f2087c98
69 linhas
2.5 KiB
C++
69 linhas
2.5 KiB
C++
// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// This file declares the ScopedClipboardWriter class, a wrapper around
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// the Clipboard class which simplifies writing data to the system clipboard.
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// Upon deletion the class atomically writes all data to |clipboard_|,
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// avoiding any potential race condition with other processes that are also
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// writing to the system clipboard.
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#ifndef BASE_SCOPED_CLIPBOARD_WRITER_H_
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#define BASE_SCOPED_CLIPBOARD_WRITER_H_
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#include <string>
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#include <vector>
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#include "base/clipboard.h"
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#include "base/file_path.h"
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#include "base/string16.h"
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// This class is a wrapper for |Clipboard| that handles packing data
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// into a Clipboard::ObjectMap.
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// NB: You should probably NOT be using this class if you include
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// webkit_glue.h. Use ScopedClipboardWriterGlue instead.
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class ScopedClipboardWriter {
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public:
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// Create an instance that is a simple wrapper around clipboard.
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ScopedClipboardWriter(Clipboard* clipboard);
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~ScopedClipboardWriter();
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// Converts |text| to UTF-8 and adds it to the clipboard.
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void WriteText(const string16& text);
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// Adds HTML to the clipboard. The url parameter is optional, but especially
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// useful if the HTML fragment contains relative links.
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void WriteHTML(const string16& markup, const std::string& source_url);
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// Adds a bookmark to the clipboard.
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void WriteBookmark(const string16& bookmark_title,
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const std::string& url);
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// Adds both a bookmark and an HTML hyperlink to the clipboard. It is a
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// convenience wrapper around WriteBookmark and WriteHTML. |link_text| is
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// used as the bookmark title.
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void WriteHyperlink(const string16& link_text, const std::string& url);
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// Adds a file or group of files to the clipboard.
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void WriteFile(const FilePath& file);
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void WriteFiles(const std::vector<FilePath>& files);
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// Used by WebKit to determine whether WebKit wrote the clipboard last
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void WriteWebSmartPaste();
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// Adds a bitmap to the clipboard
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// Pixel format is assumed to be 32-bit BI_RGB.
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void WriteBitmapFromPixels(const void* pixels, const gfx::Size& size);
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protected:
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// We accumulate the data passed to the various targets in the |objects_|
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// vector, and pass it to Clipboard::WriteObjects() during object destruction.
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Clipboard::ObjectMap objects_;
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Clipboard* clipboard_;
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private:
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DISALLOW_COPY_AND_ASSIGN(ScopedClipboardWriter);
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};
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#endif // BASE_SCOPED_CLIPBOARD_WRITER_H_
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