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191 lines
7.5 KiB
Plaintext
191 lines
7.5 KiB
Plaintext
/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Communicator.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corp.
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* Portions created by the Initial Developer are Copyright (C) 1999
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Mike Pinkerton
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsISupports.idl"
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#include "nsISupportsArray.idl"
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#include "nsIFormatConverter.idl"
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%{ C++
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// these probably shouldn't live here, but in some central repository shared
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// by the entire app.
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#define kTextMime "text/plain"
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#define kUnicodeMime "text/unicode"
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#define kMozTextInternal "text/x-moz-text-internal" // text data which isn't suppoed to be parsed by other apps.
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#define kHTMLMime "text/html"
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#define kAOLMailMime "AOLMAIL"
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#define kPNGImageMime "image/png"
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#define kJPEGImageMime "image/jpg"
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#define kGIFImageMime "image/gif"
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#define kFileMime "application/x-moz-file"
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#define kURLMime "text/x-moz-url" // data contains url\ntitle
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#define kURLDataMime "text/x-moz-url-data" // data contains url only
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#define kURLDescriptionMime "text/x-moz-url-desc" // data contains description
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#define kURLPrivateMime "text/x-moz-url-priv" // same as kURLDataMime but for private uses
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#define kNativeImageMime "application/x-moz-nativeimage"
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#define kNativeHTMLMime "application/x-moz-nativehtml"
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// the source URL for a file promise
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#define kFilePromiseURLMime "application/x-moz-file-promise-url"
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// the destination filename for a file promise
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#define kFilePromiseDestFilename "application/x-moz-file-promise-dest-filename"
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// a dataless flavor used to interact with the OS during file drags
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#define kFilePromiseMime "application/x-moz-file-promise"
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// a synthetic flavor, put into the transferable once we know the destination directory of a file drag
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#define kFilePromiseDirectoryMime "application/x-moz-file-promise-dir"
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%}
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/**
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* nsIFlavorDataProvider allows a flavor to 'promise' data later,
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* supplying the data lazily.
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*
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* To use it, call setTransferData, passing the flavor string,
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* a nsIFlavorDataProvider QI'd to nsISupports, and a data size of 0.
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*
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* When someone calls getTransferData later, if the data size is
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* stored as 0, the nsISupports will be QI'd to nsIFlavorDataProvider,
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* and its getFlavorData called.
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*
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*/
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interface nsITransferable;
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[scriptable, uuid(7E225E5F-711C-11D7-9FAE-000393636592)]
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interface nsIFlavorDataProvider : nsISupports
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{
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/**
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* Retrieve the data from this data provider.
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*
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* @param aTransferable (in parameter) the transferable we're being called for.
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* @param aFlavor (in parameter) the flavor of data to retrieve
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* @param aData the data. Some variant of class in nsISupportsPrimitives.idl
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* @param aDataLen the length of the data
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*/
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void getFlavorData(in nsITransferable aTransferable, in string aFlavor, out nsISupports aData, out unsigned long aDataLen);
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};
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[scriptable, uuid(8B5314BC-DB01-11d2-96CE-0060B0FB9956)]
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interface nsITransferable : nsISupports
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{
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const long kFlavorHasDataProvider = 0;
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/**
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* Computes a list of flavors (mime types as nsISupportsCString) that the transferable
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* can export, either through intrinsic knowledge or output data converters.
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*
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* @param aDataFlavorList fills list with supported flavors. This is a copy of
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* the internal list, so it may be edited w/out affecting the transferable.
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*/
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nsISupportsArray flavorsTransferableCanExport ( ) ;
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/**
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* Given a flavor retrieve the data.
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*
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* @param aFlavor (in parameter) the flavor of data to retrieve
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* @param aData the data. Some variant of class in nsISupportsPrimitives.idl
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* @param aDataLen the length of the data
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*/
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void getTransferData ( in string aFlavor, out nsISupports aData, out unsigned long aDataLen ) ;
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/**
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* Returns the best flavor in the transferable, given those that have
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* been added to it with |AddFlavor()|
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*
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* @param aFlavor (out parameter) the flavor of data that was retrieved
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* @param aData the data. Some variant of class in nsISupportsPrimitives.idl
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* @param aDataLen the length of the data
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*/
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void getAnyTransferData ( out string aFlavor, out nsISupports aData, out unsigned long aDataLen ) ;
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/**
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* Returns true if the data is large.
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*/
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boolean isLargeDataSet ( ) ;
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///////////////////////////////
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// Setter part of interface
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///////////////////////////////
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/**
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* Computes a list of flavors (mime types as nsISupportsCString) that the transferable can
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* accept into it, either through intrinsic knowledge or input data converters.
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*
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* @param outFlavorList fills list with supported flavors. This is a copy of
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* the internal list, so it may be edited w/out affecting the transferable.
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*/
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nsISupportsArray flavorsTransferableCanImport ( ) ;
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/**
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* Sets the data in the transferable with the specified flavor. The transferable
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* will maintain its own copy the data, so it is not necessary to do that beforehand.
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*
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* @param aFlavor the flavor of data that is being set
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* @param aData the data, either some variant of class in nsISupportsPrimitives.idl,
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* an nsIFile, or an nsIFlavorDataProvider (see above)
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* @param aDataLen the length of the data, or 0 if passing a nsIFlavorDataProvider
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*/
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void setTransferData ( in string aFlavor, in nsISupports aData, in unsigned long aDataLen ) ;
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/**
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* Add the data flavor, indicating that this transferable
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* can receive this type of flavor
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*
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* @param aDataFlavor a new data flavor to handle
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*/
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void addDataFlavor ( in string aDataFlavor ) ;
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/**
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* Removes the data flavor matching the given one (string compare) and the data
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* that goes along with it.
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*
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* @param aDataFlavor a data flavor to remove
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*/
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void removeDataFlavor ( in string aDataFlavor ) ;
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attribute nsIFormatConverter converter;
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};
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