The Tor Browser: dom/base/WindowNamedPropertiesHandler.h@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* vim: set ts=2 sw=2 et tw=78: */

     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 #ifndef mozilla_dom_WindowNamedPropertiesHandler_h

     8 #define mozilla_dom_WindowNamedPropertiesHandler_h

    10 #include "mozilla/dom/DOMJSProxyHandler.h"

    12 namespace mozilla {

    13 namespace dom {

    15 class WindowNamedPropertiesHandler : public BaseDOMProxyHandler

    16 {

    17 public:

    18   WindowNamedPropertiesHandler() : BaseDOMProxyHandler(nullptr)

    19   {

    20     setHasPrototype(true);

    21   }

    22   virtual bool

    23   preventExtensions(JSContext* aCx, JS::Handle<JSObject*> aProxy) MOZ_OVERRIDE

    24   {

    25     // Throw a TypeError, per WebIDL.

    26     JS_ReportErrorNumber(aCx, js_GetErrorMessage, nullptr,

    27                          JSMSG_CANT_CHANGE_EXTENSIBILITY);

    28     return false;

    29   }

    30   virtual bool

    31   getOwnPropDescriptor(JSContext* aCx, JS::Handle<JSObject*> aProxy,

    32                        JS::Handle<jsid> aId,

    33                        bool /* unused */,

    34                        JS::MutableHandle<JSPropertyDescriptor> aDesc) MOZ_OVERRIDE;

    35   virtual bool

    36   defineProperty(JSContext* aCx, JS::Handle<JSObject*> aProxy,

    37                  JS::Handle<jsid> aId,

    38                  JS::MutableHandle<JSPropertyDescriptor> aDesc) MOZ_OVERRIDE;

    39   virtual bool

    40   ownPropNames(JSContext* aCx, JS::Handle<JSObject*> aProxy, unsigned flags,

    41                JS::AutoIdVector& aProps) MOZ_OVERRIDE;

    42   virtual bool

    43   delete_(JSContext* aCx, JS::Handle<JSObject*> aProxy, JS::Handle<jsid> aId,

    44           bool* aBp) MOZ_OVERRIDE;

    45   virtual bool

    46   isExtensible(JSContext* aCx, JS::Handle<JSObject*> aProxy,

    47                bool* aIsExtensible) MOZ_OVERRIDE

    48   {

    49     *aIsExtensible = true;

    50     return true;

    51   }

    52   virtual const char*

    53   className(JSContext *aCx, JS::Handle<JSObject*> aProxy) MOZ_OVERRIDE

    54   {

    55     return "WindowProperties";

    56   }

    58   static WindowNamedPropertiesHandler*

    59   getInstance()

    60   {

    61     static WindowNamedPropertiesHandler instance;

    62     return &instance;

    63   }

    65   // For Install, aProto is the proto of the Window we're associated with.

    66   static void

    67   Install(JSContext *aCx, JS::Handle<JSObject*> aProto);

    68 };

    70 } // namespace dom

    71 } // namespace mozilla

    73 #endif /* mozilla_dom_WindowNamedPropertiesHandler_h */

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