dom/bindings/Date.cpp

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/dom/bindings/Date.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,59 @@
     1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* vim: set ts=8 sts=2 et sw=2 tw=80: */
     1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.9 +
    1.10 +#include "mozilla/dom/Date.h"
    1.11 +
    1.12 +#include "jsapi.h" // for JS_ObjectIsDate, JS_NewDateObjectMsec
    1.13 +#include "jsfriendapi.h" // for js_DateGetMsecSinceEpoch
    1.14 +#include "js/RootingAPI.h" // for Rooted, MutableHandle
    1.15 +#include "js/Value.h" // for Value
    1.16 +#include "jswrapper.h" // for CheckedUnwrap
    1.17 +#include "mozilla/FloatingPoint.h" // for IsNaN, UnspecifiedNaN
    1.18 +
    1.19 +namespace mozilla {
    1.20 +namespace dom {
    1.21 +
    1.22 +Date::Date()
    1.23 +  : mMsecSinceEpoch(UnspecifiedNaN<double>())
    1.24 +{
    1.25 +}
    1.26 +
    1.27 +bool
    1.28 +Date::IsUndefined() const
    1.29 +{
    1.30 +  return IsNaN(mMsecSinceEpoch);
    1.31 +}
    1.32 +
    1.33 +bool
    1.34 +Date::SetTimeStamp(JSContext* aCx, JSObject* aObject)
    1.35 +{
    1.36 +  JS::Rooted<JSObject*> obj(aCx, aObject);
    1.37 +  MOZ_ASSERT(JS_ObjectIsDate(aCx, obj));
    1.38 +
    1.39 +  obj = js::CheckedUnwrap(obj);
    1.40 +  // This really sucks: even if JS_ObjectIsDate, CheckedUnwrap can _still_ fail.
    1.41 +  if (!obj) {
    1.42 +    return false;
    1.43 +  }
    1.44 +
    1.45 +  mMsecSinceEpoch = js_DateGetMsecSinceEpoch(obj);
    1.46 +  return true;
    1.47 +}
    1.48 +
    1.49 +bool
    1.50 +Date::ToDateObject(JSContext* aCx, JS::MutableHandle<JS::Value> aRval) const
    1.51 +{
    1.52 +  JSObject* obj = JS_NewDateObjectMsec(aCx, mMsecSinceEpoch);
    1.53 +  if (!obj) {
    1.54 +    return false;
    1.55 +  }
    1.56 +
    1.57 +  aRval.setObject(*obj);
    1.58 +  return true;
    1.59 +}
    1.60 +
    1.61 +} // namespace dom
    1.62 +} // namespace mozilla

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