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102 lines
3.6 KiB
Plaintext
102 lines
3.6 KiB
Plaintext
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* vim: set ts=8 sw=2 et tw=80:
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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 Initial Developer of the Original Code is the Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2011
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Justin Lebar <justin.lebar@gmail.com>
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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 of the GNU General Public License Version 2 or later (the "GPL"),
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* or 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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interface nsIVariant;
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interface nsIDocument;
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%{C++
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struct JSContext;
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%}
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/**
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* This interface acts as a container for an object serialized using the
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* structured clone algorithm.
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*
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* You can copy an object into an nsIStructuredCloneContainer using
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* initFromVariant or initFromBase64. It's an error to initialize an
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* nsIStructuredCloneContainer more than once.
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*
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* Once you've initialized the container, you can get a copy of the object it
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* stores by calling deserializeToVariant. You can also get a base-64-encoded
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* string containing a copy of the container's serialized data, using
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* getDataAsBase64.
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*/
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[scriptable, uuid(400a282d-7157-4ed0-85b4-8bdc2fa634cd)]
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interface nsIStructuredCloneContainer : nsISupports
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{
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/**
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* Initialize this structured clone container so it contains a clone of the
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* given variant. aData must be backed by a jsval.
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*/
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[implicit_jscontext]
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void initFromVariant(in nsIVariant aData);
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/**
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* Initialize this structured clone container from a base-64-encoded byte
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* stream, stored in aData. aFormatVersion should be the version of the
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* structured clone algorithm which was used to generate aData.
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*/
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[implicit_jscontext]
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void initFromBase64(in AString aData,in unsigned long aFormatVersion);
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/**
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* Deserialize the object this conatiner holds, returning it wrapped as
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* an nsIVariant.
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*/
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[implicit_jscontext]
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nsIVariant deserializeToVariant();
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/**
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* Get this structured clone container's data as a base-64-encoded string.
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*/
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AString getDataAsBase64();
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/**
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* Get the size in bytes of this container's serialized data.
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*/
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readonly attribute unsigned long long serializedNBytes;
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/**
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* Get the version of the structured clone algorithm which was used to
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* generate this container's serialized buffer.
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*/
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readonly attribute unsigned long formatVersion;
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};
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