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| 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. | |
| 4 // | |
| 5 // Some helper functions for working with the clipboard and IDataObjects. | |
| 6 | |
| 7 #ifndef UI_BASE_CLIPBOARD_CLIPBOARD_UTIL_WIN_H_ | |
| 8 #define UI_BASE_CLIPBOARD_CLIPBOARD_UTIL_WIN_H_ | |
| 9 | |
| 10 #include <shlobj.h> | |
| 11 #include <map> | |
| 12 #include <string> | |
| 13 #include <vector> | |
| 14 | |
| 15 #include "base/strings/string16.h" | |
| 16 #include "ui/base/ui_base_export.h" | |
| 17 | |
| 18 class GURL; | |
| 19 | |
| 20 namespace ui { | |
| 21 | |
| 22 class UI_BASE_EXPORT ClipboardUtil { | |
| 23 public: | |
| 24 ///////////////////////////////////////////////////////////////////////////// | |
| 25 // These methods check to see if |data_object| has the requested type. | |
| 26 // Returns true if it does. | |
| 27 static bool HasUrl(IDataObject* data_object, bool convert_filenames); | |
| 28 static bool HasFilenames(IDataObject* data_object); | |
| 29 static bool HasPlainText(IDataObject* data_object); | |
| 30 static bool HasFileContents(IDataObject* data_object); | |
| 31 static bool HasHtml(IDataObject* data_object); | |
| 32 | |
| 33 ///////////////////////////////////////////////////////////////////////////// | |
| 34 // Helper methods to extract information from an IDataObject. These methods | |
| 35 // return true if the requested data type is found in |data_object|. | |
| 36 | |
| 37 // Only returns true if url->is_valid() is true. | |
| 38 static bool GetUrl(IDataObject* data_object, | |
| 39 GURL* url, | |
| 40 base::string16* title, | |
| 41 bool convert_filenames); | |
| 42 static bool GetFilenames(IDataObject* data_object, | |
| 43 std::vector<base::string16>* filenames); | |
| 44 static bool GetPlainText(IDataObject* data_object, | |
| 45 base::string16* plain_text); | |
| 46 static bool GetHtml(IDataObject* data_object, | |
| 47 base::string16* text_html, | |
| 48 std::string* base_url); | |
| 49 static bool GetFileContents(IDataObject* data_object, | |
| 50 base::string16* filename, | |
| 51 std::string* file_contents); | |
| 52 // This represents custom MIME types a web page might set to transport its | |
| 53 // own types of data for drag and drop. It is sandboxed in its own CLIPFORMAT | |
| 54 // to avoid polluting the ::RegisterClipboardFormat() namespace with random | |
| 55 // strings from web content. | |
| 56 static bool GetWebCustomData( | |
| 57 IDataObject* data_object, | |
| 58 std::map<base::string16, base::string16>* custom_data); | |
| 59 | |
| 60 // Helper method for converting between MS CF_HTML format and plain | |
| 61 // text/html. | |
| 62 static std::string HtmlToCFHtml(const std::string& html, | |
| 63 const std::string& base_url); | |
| 64 static void CFHtmlToHtml(const std::string& cf_html, | |
| 65 std::string* html, | |
| 66 std::string* base_url); | |
| 67 static void CFHtmlExtractMetadata(const std::string& cf_html, | |
| 68 std::string* base_url, | |
| 69 size_t* html_start, | |
| 70 size_t* fragment_start, | |
| 71 size_t* fragment_end); | |
| 72 }; | |
| 73 | |
| 74 } | |
| 75 | |
| 76 #endif // UI_BASE_CLIPBOARD_CLIPBOARD_UTIL_WIN_H_ | |
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