michael@0: /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* vim: set ts=8 sts=2 et sw=2 tw=80: */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "mozilla/dom/Date.h"
michael@0: 
michael@0: #include "jsapi.h" // for JS_ObjectIsDate, JS_NewDateObjectMsec
michael@0: #include "jsfriendapi.h" // for js_DateGetMsecSinceEpoch
michael@0: #include "js/RootingAPI.h" // for Rooted, MutableHandle
michael@0: #include "js/Value.h" // for Value
michael@0: #include "jswrapper.h" // for CheckedUnwrap
michael@0: #include "mozilla/FloatingPoint.h" // for IsNaN, UnspecifiedNaN
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace dom {
michael@0: 
michael@0: Date::Date()
michael@0:   : mMsecSinceEpoch(UnspecifiedNaN<double>())
michael@0: {
michael@0: }
michael@0: 
michael@0: bool
michael@0: Date::IsUndefined() const
michael@0: {
michael@0:   return IsNaN(mMsecSinceEpoch);
michael@0: }
michael@0: 
michael@0: bool
michael@0: Date::SetTimeStamp(JSContext* aCx, JSObject* aObject)
michael@0: {
michael@0:   JS::Rooted<JSObject*> obj(aCx, aObject);
michael@0:   MOZ_ASSERT(JS_ObjectIsDate(aCx, obj));
michael@0: 
michael@0:   obj = js::CheckedUnwrap(obj);
michael@0:   // This really sucks: even if JS_ObjectIsDate, CheckedUnwrap can _still_ fail.
michael@0:   if (!obj) {
michael@0:     return false;
michael@0:   }
michael@0: 
michael@0:   mMsecSinceEpoch = js_DateGetMsecSinceEpoch(obj);
michael@0:   return true;
michael@0: }
michael@0: 
michael@0: bool
michael@0: Date::ToDateObject(JSContext* aCx, JS::MutableHandle<JS::Value> aRval) const
michael@0: {
michael@0:   JSObject* obj = JS_NewDateObjectMsec(aCx, mMsecSinceEpoch);
michael@0:   if (!obj) {
michael@0:     return false;
michael@0:   }
michael@0: 
michael@0:   aRval.setObject(*obj);
michael@0:   return true;
michael@0: }
michael@0: 
michael@0: } // namespace dom
michael@0: } // namespace mozilla