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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: set ts=8 sts=2 et sw=2 tw=80:
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef js_WrapperCallbacks_h
#define js_WrapperCallbacks_h
#include "js/TypeDecls.h"
/**
* Callback used to ask the embedding for the cross compartment wrapper handler
* that implements the desired prolicy for this kind of object in the
* destination compartment. |obj| is the object to be wrapped. If |existing| is
* non-nullptr, it will point to an existing wrapper object that should be
* re-used if possible. |existing| is guaranteed to be a cross-compartment
* wrapper with a lazily-defined prototype and the correct global. It is
* guaranteed not to wrap a function.
*/
using JSWrapObjectCallback = JSObject* (*)(JSContext*, JS::HandleObject,
JS::HandleObject);
/**
* Callback used by the wrap hook to ask the embedding to prepare an object
* for wrapping in a context. This might include unwrapping other wrappers
* or even finding a more suitable object for the new compartment. If |origObj|
* is non-null, then it is the original object we are going to swap into during
* a transplant.
*/
using JSPreWrapCallback = void (*)(JSContext*, JS::HandleObject,
JS::HandleObject, JS::HandleObject,
JS::HandleObject, JS::MutableHandleObject);
struct JSWrapObjectCallbacks {
JSWrapObjectCallback wrap;
JSPreWrapCallback preWrap;
};
#endif // js_WrapperCallbacks_h
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