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71 lines
2.2 KiB
Plaintext
71 lines
2.2 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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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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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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