dom/bindings/Date.h
author Sylvestre Ledru <sledru@mozilla.com>
Fri, 24 Feb 2017 17:04:50 +0100
changeset 489671 05d9746016f47666c00390aacc9f9d62c8ffffb4
parent 489668 cbb8fdf1daf98a15f7d57f6b08d273bdf96aa1a0
permissions -rw-r--r--
Move to 99 chars instead of 80 MozReview-Commit-ID: 6NxbMuFVI7e

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

/* Representation for dates. */

#ifndef mozilla_dom_Date_h
#define mozilla_dom_Date_h

#include "js/Date.h"
#include "js/TypeDecls.h"

namespace mozilla {
namespace dom {

class Date
{
public:
  Date() {}
  explicit Date(JS::ClippedTime aMilliseconds)
    : mMsecSinceEpoch(aMilliseconds)
  {
  }

  bool IsUndefined() const { return !mMsecSinceEpoch.isValid(); }

  JS::ClippedTime TimeStamp() const { return mMsecSinceEpoch; }

  // Returns an integer in the range [-8.64e15, +8.64e15] (-0 excluded), *or*
  // returns NaN.  DO NOT ASSUME THIS IS FINITE!
  double ToDouble() const { return mMsecSinceEpoch.toDouble(); }

  void SetTimeStamp(JS::ClippedTime aMilliseconds) { mMsecSinceEpoch = aMilliseconds; }

  // Can return false if CheckedUnwrap fails.  This will NOT throw;
  // callers should do it as needed.
  bool SetTimeStamp(JSContext* aCx, JSObject* aObject);

  bool ToDateObject(JSContext* aCx, JS::MutableHandle<JS::Value> aRval) const;

private:
  JS::ClippedTime mMsecSinceEpoch;
};

} // namespace dom
} // namespace mozilla

#endif // mozilla_dom_Date_h