зеркало из https://github.com/mozilla/gecko-dev.git
80 строки
2.6 KiB
C++
80 строки
2.6 KiB
C++
/* -*- 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 */
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