gecko-dev/dom/time/TimeManager.cpp

58 lines
1.5 KiB
C++

/* 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/. */
#include "jsapi.h"
#include "mozilla/Hal.h"
#include "nsDOMEvent.h"
#include "nsDOMEventTargetHelper.h"
#include "nsIDOMClassInfo.h"
#include "prtime.h"
#include "TimeManager.h"
using namespace mozilla::hal;
DOMCI_DATA(MozTimeManager, mozilla::dom::time::TimeManager)
namespace mozilla {
namespace dom {
namespace time {
NS_INTERFACE_MAP_BEGIN(TimeManager)
NS_INTERFACE_MAP_ENTRY(nsIDOMMozTimeManager)
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(MozTimeManager)
NS_INTERFACE_MAP_END
NS_IMPL_ADDREF(TimeManager)
NS_IMPL_RELEASE(TimeManager)
nsresult
TimeManager::Set(const JS::Value& date, JSContext* ctx) {
double nowMSec = JS_Now() / 1000;
double dateMSec;
if (date.isObject()) {
JSObject* dateObj = JSVAL_TO_OBJECT(date);
if (JS_ObjectIsDate(ctx, dateObj) && js_DateIsValid(ctx, dateObj)) {
dateMSec = js_DateGetMsecSinceEpoch(ctx, dateObj);
}
else {
NS_WARN_IF_FALSE(JS_ObjectIsDate(ctx, dateObj), "This is not a Date object");
NS_WARN_IF_FALSE(js_DateIsValid(ctx, dateObj), "Date is not valid");
return NS_ERROR_INVALID_ARG;
}
} else if (date.isNumber()) {
dateMSec = date.toNumber();
} else {
return NS_ERROR_INVALID_ARG;
}
hal::AdjustSystemClock(JS_DoubleToInt32(dateMSec - nowMSec));
return NS_OK;
}
} // namespace time
} // namespace dom
} // namespace mozilla