gecko/js/xpconnect/wrappers/WaiveXrayWrapper.cpp

101 lines
3.4 KiB
C++

/* -*- 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;
}
WaiveXrayWrapper::WaiveXrayWrapper(unsigned flags) : js::CrossCompartmentWrapper(flags)
{
}
WaiveXrayWrapper::~WaiveXrayWrapper()
{
}
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::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::getPrototypeOf(JSContext *cx, HandleObject wrapper, MutableHandleObject protop) const
{
return CrossCompartmentWrapper::getPrototypeOf(cx, wrapper, protop) &&
(!protop || WrapperFactory::WaiveXrayAndWrap(cx, protop));
}
}