Add base to the repository.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@8 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 126 insertions, 0 deletions

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+// Copyright 2008, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#ifndef BASE_CLIPBOARD_H__
+#define BASE_CLIPBOARD_H__
+
+#include <string>
+#include <vector>
+
+#include "base/basictypes.h"
+#include "base/gfx/size.h"
+#include "base/shared_memory.h"
+
+class Clipboard {
+ public:
+  Clipboard();
+  ~Clipboard();
+
+  // Clears the clipboard.  It is usually a good idea to clear the clipboard
+  // before writing content to the clipboard.
+  void Clear() const;
+
+  // Adds UNICODE and ASCII text to the clipboard.
+  void WriteText(const std::wstring& text) const;
+
+  // Adds HTML to the clipboard.  The url parameter is optional, but especially
+  // useful if the HTML fragment contains relative links
+  void WriteHTML(const std::wstring& markup, const std::string& src_url) const;
+
+  // Adds a bookmark to the clipboard
+  void WriteBookmark(const std::wstring& title, const std::string& url) const;
+
+  // Adds both a bookmark and an HTML hyperlink to the clipboard.  It is a
+  // convenience wrapper around WriteBookmark and WriteHTML.
+  void WriteHyperlink(const std::wstring& title, const std::string& url) const;
+
+  // 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 WriteBitmap(const void* pixels, const gfx::Size& size) const;
+
+  // Adds a bitmap to the clipboard
+  // This function requires read and write access to the bitmap, but does not
+  // actually modify the shared memory region.
+  // Pixel format is assumed to be 32-bit BI_RGB.
+  void WriteBitmapFromSharedMemory(const SharedMemory& bitmap,
+                                   const gfx::Size& size) const;
+
+  // Adds a bitmap to the clipboard
+  // This is the fastest way to copy a bitmap to the clipboard.  The HBITMAP
+  // may either be device-dependent or device-independent.
+  void WriteBitmapFromHandle(HBITMAP hbitmap, const gfx::Size& size) const;
+
+  // Used by WebKit to determine whether WebKit wrote the clipboard last
+  void WriteWebSmartPaste() const;
+
+  // Adds a file or group of files to the clipboard.
+  void WriteFile(const std::wstring& file) const;
+  void WriteFiles(const std::vector<std::wstring>& files) const;
+
+  // Tests whether the clipboard contains a certain format
+  bool IsFormatAvailable(unsigned int format) const;
+
+  // Reads UNICODE text from the clipboard, if available.
+  void ReadText(std::wstring* result) const;
+
+  // Reads ASCII text from the clipboard, if available.
+  void ReadAsciiText(std::string* result) const;
+
+  // Reads HTML from the clipboard, if available.
+  void ReadHTML(std::wstring* markup, std::string* src_url) const;
+
+  // Reads a bookmark from the clipboard, if available.
+  void ReadBookmark(std::wstring* title, std::string* url) const;
+
+  // Reads a file or group of files from the clipboard, if available, into the
+  // out paramter.
+  void ReadFile(std::wstring* file) const;
+  void ReadFiles(std::vector<std::wstring>* files) const;
+
+ private:
+  static void MarkupToHTMLClipboardFormat(const std::wstring& markup,
+                                          const std::string& src_url,
+                                          std::string* html_fragment);
+
+  static void ParseHTMLClipboardFormat(const std::string& html_fragment,
+                                       std::wstring* markup,
+                                       std::string* src_url);
+
+  static void ParseBookmarkClipboardFormat(const std::wstring& bookmark,
+                                           std::wstring* title,
+                                           std::string* url);
+
+  HWND clipboard_owner_;
+
+  DISALLOW_EVIL_CONSTRUCTORS(Clipboard);
+};
+
+#endif  // BASE_CLIPBOARD_H__