js/xpconnect/wrappers/WaiveXrayWrapper.cpp
author Jan de Mooij <jdemooij@mozilla.com>
Sat, 28 Mar 2015 23:22:11 +0100
changeset 236396 02f2f4c75007651c63bbc0791d9a58dea88f545f
parent 236377 5b892d8ef4538ea84378ebe4a352c49d8b9aa366
child 252629 91d6e262b662a0b4e47358665e222d3927337af9
permissions -rw-r--r--
Bug 1144366 - Switch SpiderMonkey and XPConnect style from |T *t| to |T* t|. r=jorendorff

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim: set ts=8 sts=4 et sw=4 tw=99: */
/* 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/. */

#include "WaiveXrayWrapper.h"
#include "WrapperFactory.h"
#include "jsapi.h"

using namespace JS;

namespace xpc {

static bool
WaiveAccessors(JSContext* cx, JS::MutableHandle<JSPropertyDescriptor> desc)
{
    if (desc.hasGetterObject() && desc.getterObject()) {
        RootedValue v(cx, JS::ObjectValue(*desc.getterObject()));
        if (!WrapperFactory::WaiveXrayAndWrap(cx, &v))
            return false;
        desc.setGetterObject(&v.toObject());
    }

    if (desc.hasSetterObject() && desc.setterObject()) {
        RootedValue v(cx, JS::ObjectValue(*desc.setterObject()));
        if (!WrapperFactory::WaiveXrayAndWrap(cx, &v))
            return false;
        desc.setSetterObject(&v.toObject());
    }
    return true;
}

bool
WaiveXrayWrapper::getPropertyDescriptor(JSContext* cx, HandleObject wrapper,
                                        HandleId id, JS::MutableHandle<JSPropertyDescriptor> desc)
                                        const
{
    return CrossCompartmentWrapper::getPropertyDescriptor(cx, wrapper, id, desc) &&
           WrapperFactory::WaiveXrayAndWrap(cx, desc.value()) && WaiveAccessors(cx, desc);
}

bool
WaiveXrayWrapper::getOwnPropertyDescriptor(JSContext* cx, HandleObject wrapper,
                                           HandleId id, JS::MutableHandle<JSPropertyDescriptor> desc)
                                           const
{
    return CrossCompartmentWrapper::getOwnPropertyDescriptor(cx, wrapper, id, desc) &&
           WrapperFactory::WaiveXrayAndWrap(cx, desc.value()) && WaiveAccessors(cx, desc);
}

bool
WaiveXrayWrapper::get(JSContext* cx, HandleObject wrapper,
                      HandleObject receiver, HandleId id,
                      MutableHandleValue vp) const
{
    return CrossCompartmentWrapper::get(cx, wrapper, receiver, id, vp) &&
           WrapperFactory::WaiveXrayAndWrap(cx, vp);
}

bool
WaiveXrayWrapper::enumerate(JSContext* cx, HandleObject proxy,
                            MutableHandleObject objp) const
{
    return CrossCompartmentWrapper::enumerate(cx, proxy, objp) &&
           WrapperFactory::WaiveXrayAndWrap(cx, objp);
}

bool
WaiveXrayWrapper::call(JSContext* cx, HandleObject wrapper, const JS::CallArgs& args) const
{
    return CrossCompartmentWrapper::call(cx, wrapper, args) &&
           WrapperFactory::WaiveXrayAndWrap(cx, args.rval());
}

bool
WaiveXrayWrapper::construct(JSContext* cx, HandleObject wrapper, const JS::CallArgs& args) const
{
    return CrossCompartmentWrapper::construct(cx, wrapper, args) &&
           WrapperFactory::WaiveXrayAndWrap(cx, args.rval());
}

// NB: This is important as the other side of a handshake with FieldGetter. See
// nsXBLProtoImplField.cpp.
bool
WaiveXrayWrapper::nativeCall(JSContext* cx, JS::IsAcceptableThis test,
                             JS::NativeImpl impl, JS::CallArgs args) const
{
    return CrossCompartmentWrapper::nativeCall(cx, test, impl, args) &&
           WrapperFactory::WaiveXrayAndWrap(cx, args.rval());
}

bool
WaiveXrayWrapper::getPrototype(JSContext* cx, HandleObject wrapper, MutableHandleObject protop) const
{
    return CrossCompartmentWrapper::getPrototype(cx, wrapper, protop) &&
           (!protop || WrapperFactory::WaiveXrayAndWrap(cx, protop));
}

}