gecko/js/xpconnect/wrappers/WrapperFactory.h
Bobby Holley 30bfce6ebe Bug 951948 - Remove Components wrappers. r=mrbkap
We fix up the tests here to test the new behavior, and fix some bugs in the test
while we're at it.
2014-01-14 18:49:30 -08:00

81 lines
2.9 KiB
C++

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