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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.
//
// 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 GetCFHtml(IDataObject* data_object, std::wstring* cf_html);
static bool GetTextHtml(IDataObject* data_object, std::wstring* text_html);
static bool GetFileContents(IDataObject* data_object,
std::wstring* filename,
std::string* file_contents);
};
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