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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.
//
// Some helper functions for working with the clipboard and IDataObjects.
#include <shlobj.h>
#include <string>
#include <vector>
class ClipboardUtil {
public:
/////////////////////////////////////////////////////////////////////////////
// Clipboard formats.
static FORMATETC* GetUrlFormat();
static FORMATETC* GetUrlWFormat();
static FORMATETC* GetMozUrlFormat();
static FORMATETC* GetPlainTextFormat();
static FORMATETC* GetPlainTextWFormat();
static FORMATETC* GetFilenameFormat();
static FORMATETC* GetFilenameWFormat();
// MS HTML Format
static FORMATETC* GetHtmlFormat();
// Firefox text/html
static FORMATETC* GetTextHtmlFormat();
static FORMATETC* GetCFHDropFormat();
static FORMATETC* GetFileDescriptorFormat();
static FORMATETC* GetFileContentFormatZero();
static FORMATETC* GetWebKitSmartPasteFormat();
/////////////////////////////////////////////////////////////////////////////
// These methods check to see if |data_object| has the requested type.
// Returns true if it does.
static bool HasUrl(IDataObject* data_object);
static bool HasFilenames(IDataObject* data_object);
static bool HasPlainText(IDataObject* data_object);
/////////////////////////////////////////////////////////////////////////////
// Helper methods to extract information from an IDataObject. These methods
// return true if the requested data type is found in |data_object|.
static bool GetUrl(IDataObject* data_object,
std::wstring* url, std::wstring* title);
static bool GetFilenames(IDataObject* data_object,
std::vector<std::wstring>* filenames);
static bool GetPlainText(IDataObject* data_object, std::wstring* plain_text);
static bool GetHtml(IDataObject* data_object, std::wstring* text_html,
std::string* base_url);
static bool GetFileContents(IDataObject* data_object,
std::wstring* filename,
std::string* file_contents);
// A helper method for converting between MS CF_HTML format and plain
// text/html.
static std::string HtmlToCFHtml(const std::string& html,
const std::string& base_url);
static void CFHtmlToHtml(const std::string& cf_html, std::string* html,
std::string* base_url);
};
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