Coverage Report

Created: 2018-09-25 14:53

/src/mozilla-central/dom/base/WindowNamedPropertiesHandler.h
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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 mozilla_dom_WindowNamedPropertiesHandler_h
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#define mozilla_dom_WindowNamedPropertiesHandler_h
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#include "mozilla/dom/DOMJSProxyHandler.h"
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namespace mozilla {
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namespace dom {
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class WindowNamedPropertiesHandler : public BaseDOMProxyHandler
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{
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public:
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  constexpr WindowNamedPropertiesHandler()
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    : BaseDOMProxyHandler(nullptr, /* hasPrototype = */ true)
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  {
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  }
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  virtual bool
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  getOwnPropDescriptor(JSContext* aCx, JS::Handle<JSObject*> aProxy,
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                       JS::Handle<jsid> aId,
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                       bool /* unused */,
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                       JS::MutableHandle<JS::PropertyDescriptor> aDesc)
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                       const override;
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  virtual bool
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  defineProperty(JSContext* aCx, JS::Handle<JSObject*> aProxy,
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                 JS::Handle<jsid> aId,
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                 JS::Handle<JS::PropertyDescriptor> aDesc,
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                 JS::ObjectOpResult &result) const override;
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  virtual bool
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  ownPropNames(JSContext* aCx, JS::Handle<JSObject*> aProxy, unsigned flags,
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               JS::AutoIdVector& aProps) const override;
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  virtual bool
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  delete_(JSContext* aCx, JS::Handle<JSObject*> aProxy, JS::Handle<jsid> aId,
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          JS::ObjectOpResult &aResult) const override;
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  // No need for getPrototypeIfOrdinary here: window named-properties objects
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  // have static prototypes, so the version inherited from BaseDOMProxyHandler
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  // will do the right thing.
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  virtual bool
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  preventExtensions(JSContext* aCx, JS::Handle<JSObject*> aProxy,
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                    JS::ObjectOpResult& aResult) const override
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  {
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    return aResult.failCantPreventExtensions();
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  }
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  virtual bool
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  isExtensible(JSContext* aCx, JS::Handle<JSObject*> aProxy,
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               bool* aIsExtensible) const override
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  {
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    *aIsExtensible = true;
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    return true;
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  }
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  virtual const char*
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  className(JSContext *aCx, JS::Handle<JSObject*> aProxy) const override
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  {
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    return "WindowProperties";
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  }
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  static const WindowNamedPropertiesHandler*
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  getInstance()
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  {
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    static const WindowNamedPropertiesHandler instance;
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    return &instance;
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  }
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  // For Create, aProto is the parent of the interface prototype object of the
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  // Window we're associated with.
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  static JSObject*
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  Create(JSContext *aCx, JS::Handle<JSObject*> aProto);
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};
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} // namespace dom
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} // namespace mozilla
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#endif /* mozilla_dom_WindowNamedPropertiesHandler_h */