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0082f55dee
Differential Revision: https://phabricator.services.mozilla.com/D64888 --HG-- extra : moz-landing-system : lando
35 lines
1.2 KiB
C++
35 lines
1.2 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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#include "mozilla/dom/CallbackInterface.h"
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#include "jsapi.h"
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#include "js/CharacterEncoding.h"
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#include "mozilla/dom/BindingUtils.h"
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#include "nsPrintfCString.h"
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namespace mozilla {
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namespace dom {
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bool CallbackInterface::GetCallableProperty(
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BindingCallContext& cx, JS::Handle<jsid> aPropId,
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JS::MutableHandle<JS::Value> aCallable) {
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if (!JS_GetPropertyById(cx, CallbackKnownNotGray(), aPropId, aCallable)) {
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return false;
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}
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if (!aCallable.isObject() || !JS::IsCallable(&aCallable.toObject())) {
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JS::RootedString propId(cx, JSID_TO_STRING(aPropId));
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JS::UniqueChars propName = JS_EncodeStringToUTF8(cx, propId);
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nsPrintfCString description("Property '%s'", propName.get());
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cx.ThrowErrorMessage<MSG_NOT_CALLABLE>(description.get());
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return false;
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}
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return true;
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}
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} // namespace dom
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} // namespace mozilla
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