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https://gitlab.winehq.org/wine/wine-gecko.git
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86 lines
3.1 KiB
C++
86 lines
3.1 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* vim: set ts=4 sw=4 et tw=99 ft=cpp:
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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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#ifndef _xpc_WRAPPERFACTORY_H
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#define _xpc_WRAPPERFACTORY_H
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#include "jsapi.h"
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#include "jswrapper.h"
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namespace xpc {
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class WrapperFactory {
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public:
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enum { WAIVE_XRAY_WRAPPER_FLAG = js::Wrapper::LAST_USED_FLAG << 1,
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IS_XRAY_WRAPPER_FLAG = WAIVE_XRAY_WRAPPER_FLAG << 1,
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SCRIPT_ACCESS_ONLY_FLAG = IS_XRAY_WRAPPER_FLAG << 1,
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SOW_FLAG = SCRIPT_ACCESS_ONLY_FLAG << 1 };
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// Return true if any of any of the nested wrappers have the flag set.
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static bool HasWrapperFlag(JSObject *wrapper, unsigned flag) {
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unsigned flags = 0;
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js::UnwrapObject(wrapper, true, &flags);
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return !!(flags & flag);
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}
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static bool IsXrayWrapper(JSObject *wrapper) {
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return HasWrapperFlag(wrapper, IS_XRAY_WRAPPER_FLAG);
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}
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static bool HasWaiveXrayFlag(JSObject *wrapper) {
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return HasWrapperFlag(wrapper, WAIVE_XRAY_WRAPPER_FLAG);
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}
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static JSObject *GetXrayWaiver(JSObject *obj);
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static JSObject *CreateXrayWaiver(JSContext *cx, JSObject *obj);
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static JSObject *WaiveXray(JSContext *cx, JSObject *obj);
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static JSObject *DoubleWrap(JSContext *cx, JSObject *obj, unsigned flags);
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// Prepare a given object for wrapping in a new compartment.
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static JSObject *PrepareForWrapping(JSContext *cx,
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JSObject *scope,
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JSObject *obj,
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unsigned flags);
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// Rewrap an object that is about to cross compartment boundaries.
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static JSObject *Rewrap(JSContext *cx,
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JSObject *existing,
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JSObject *obj,
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JSObject *wrappedProto,
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JSObject *parent,
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unsigned flags);
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// Wrap an object for same-compartment access.
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static JSObject *WrapForSameCompartment(JSContext *cx,
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JSObject *obj);
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// Wrap wrapped object into a waiver wrapper and then re-wrap it.
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static bool WaiveXrayAndWrap(JSContext *cx, jsval *vp);
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// Wrap a (same compartment) object in a SOW.
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static JSObject *WrapSOWObject(JSContext *cx, JSObject *obj);
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// Return true if this is a Components object.
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static bool IsComponentsObject(JSObject *obj);
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// Wrap a (same compartment) Components object.
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static JSObject *WrapComponentsObject(JSContext *cx, JSObject *obj);
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// Wrap a same-compartment object for Xray inspection.
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static JSObject *WrapForSameCompartmentXray(JSContext *cx, JSObject *obj);
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// Returns true if the wrapper is in not shadowing mode for the id.
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static bool XrayWrapperNotShadowing(JSObject *wrapper, jsid id);
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};
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extern js::Wrapper XrayWaiver;
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}
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#endif /* _xpc_WRAPPERFACTORY_H */
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