The Tor Browser: js/xpconnect/wrappers/WaiveXrayWrapper.cpp@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

     2 /* vim: set ts=8 sts=4 et sw=4 tw=99: */

     3 /* This Source Code Form is subject to the terms of the Mozilla Public

     4  * License, v. 2.0. If a copy of the MPL was not distributed with this

     5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     7 #include "WaiveXrayWrapper.h"

     8 #include "WrapperFactory.h"

     9 #include "jsapi.h"

    11 using namespace JS;

    13 namespace xpc {

    15 static bool

    16 WaiveAccessors(JSContext *cx, JS::MutableHandle<JSPropertyDescriptor> desc)

    17 {

    18     if (desc.hasGetterObject() && desc.getterObject()) {

    19         RootedValue v(cx, JS::ObjectValue(*desc.getterObject()));

    20         if (!WrapperFactory::WaiveXrayAndWrap(cx, &v))

    21             return false;

    22         desc.setGetterObject(&v.toObject());

    23     }

    25     if (desc.hasSetterObject() && desc.setterObject()) {

    26         RootedValue v(cx, JS::ObjectValue(*desc.setterObject()));

    27         if (!WrapperFactory::WaiveXrayAndWrap(cx, &v))

    28             return false;

    29         desc.setSetterObject(&v.toObject());

    30     }

    31     return true;

    32 }

    34 WaiveXrayWrapper::WaiveXrayWrapper(unsigned flags) : js::CrossCompartmentWrapper(flags)

    35 {

    36 }

    38 WaiveXrayWrapper::~WaiveXrayWrapper()

    39 {

    40 }

    42 bool

    43 WaiveXrayWrapper::getPropertyDescriptor(JSContext *cx, HandleObject wrapper,

    44                                         HandleId id, JS::MutableHandle<JSPropertyDescriptor> desc)

    45 {

    46     return CrossCompartmentWrapper::getPropertyDescriptor(cx, wrapper, id, desc) &&

    47            WrapperFactory::WaiveXrayAndWrap(cx, desc.value()) && WaiveAccessors(cx, desc);

    48 }

    50 bool

    51 WaiveXrayWrapper::getOwnPropertyDescriptor(JSContext *cx, HandleObject wrapper,

    52                                            HandleId id, JS::MutableHandle<JSPropertyDescriptor> desc)

    53 {

    54     return CrossCompartmentWrapper::getOwnPropertyDescriptor(cx, wrapper, id, desc) &&

    55            WrapperFactory::WaiveXrayAndWrap(cx, desc.value()) && WaiveAccessors(cx, desc);

    56 }

    58 bool

    59 WaiveXrayWrapper::get(JSContext *cx, HandleObject wrapper,

    60                       HandleObject receiver, HandleId id,

    61                       MutableHandleValue vp)

    62 {

    63     return CrossCompartmentWrapper::get(cx, wrapper, receiver, id, vp) &&

    64            WrapperFactory::WaiveXrayAndWrap(cx, vp);

    65 }

    67 bool

    68 WaiveXrayWrapper::call(JSContext *cx, HandleObject wrapper, const JS::CallArgs &args)

    69 {

    70     return CrossCompartmentWrapper::call(cx, wrapper, args) &&

    71            WrapperFactory::WaiveXrayAndWrap(cx, args.rval());

    72 }

    74 bool

    75 WaiveXrayWrapper::construct(JSContext *cx, HandleObject wrapper, const JS::CallArgs &args)

    76 {

    77     return CrossCompartmentWrapper::construct(cx, wrapper, args) &&

    78            WrapperFactory::WaiveXrayAndWrap(cx, args.rval());

    79 }

    81 // NB: This is important as the other side of a handshake with FieldGetter. See

    82 // nsXBLProtoImplField.cpp.

    83 bool

    84 WaiveXrayWrapper::nativeCall(JSContext *cx, JS::IsAcceptableThis test,

    85                              JS::NativeImpl impl, JS::CallArgs args)

    86 {

    87     return CrossCompartmentWrapper::nativeCall(cx, test, impl, args) &&

    88            WrapperFactory::WaiveXrayAndWrap(cx, args.rval());

    89 }

    91 bool

    92 WaiveXrayWrapper::getPrototypeOf(JSContext *cx, HandleObject wrapper, MutableHandleObject protop)

    93 {

    94     return CrossCompartmentWrapper::getPrototypeOf(cx, wrapper, protop) &&

    95            (!protop || WrapperFactory::WaiveXrayAndWrap(cx, protop));

    96 }

    98 }

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