gecko-dev/content/base/public/nsCopySupport.h

74 lines
3.0 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Netscape Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
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* ***** END LICENSE BLOCK ***** */
#include "nscore.h"
#include "nsCOMPtr.h"
class nsISelection;
class nsIDocument;
class nsIDOMNode;
class nsIDOMHTMLImageElement;
class nsIContent;
class nsIPresContext;
class nsIPresShell;
class nsIImageFrame;
class nsIImage;
class nsITransferable;
class nsCopySupport
{
// class of static helper functions for copy support
public:
static nsresult HTMLCopy(nsISelection *aSel, nsIDocument *aDoc, PRInt16 aClipboardID);
static nsresult DoHooks(nsIDocument *aDoc, nsITransferable *aTrans,
PRBool *aDoPutOnClipboard);
static nsresult IsPlainTextContext(nsISelection *aSel, nsIDocument *aDoc, PRBool *aIsPlainTextContext);
// Get the selection, or entire document, in the format specified by the mime type
// (text/html or text/plain). If aSel is non-null, use it, otherwise get the entire
// doc.
static nsresult GetContents(const nsACString& aMimeType, PRUint32 aFlags, nsISelection *aSel, nsIDocument *aDoc, nsAString& outdata);
static nsresult ImageCopy(nsIDOMHTMLImageElement* imageElement, PRInt16 aClipboardID);
protected:
// these are ripped from nsContentAreaDragDrop. This so needs factoring.
static nsresult GetImageFromDOMNode(nsIDOMNode* inNode, nsIImage**outImage);
};