gecko-dev/dom/time/DateCacheCleaner.cpp

62 lines
1.4 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 "mozilla/Hal.h"
#include "mozilla/ClearOnShutdown.h"
#include "DateCacheCleaner.h"
#include "nsIJSContextStack.h"
#include "mozilla/StaticPtr.h"
using namespace mozilla::hal;
namespace mozilla {
namespace dom {
namespace time {
class DateCacheCleaner : public SystemTimezoneChangeObserver
{
public:
DateCacheCleaner()
{
RegisterSystemTimezoneChangeObserver(this);
}
~DateCacheCleaner()
{
UnregisterSystemTimezoneChangeObserver(this);
}
void Notify(const SystemTimezoneChangeInformation& aSystemTimezoneChangeInfo)
{
nsCOMPtr<nsIThreadJSContextStack> stack =
do_GetService("@mozilla.org/js/xpc/ContextStack;1");
if (!stack) {
NS_WARNING("Failed to get JSContextStack");
}
JSContext *cx = stack->GetSafeJSContext();
if (!cx) {
NS_WARNING("Failed to GetSafeJSContext");
}
JSAutoRequest ar(cx);
JS_ClearDateCaches(cx);
}
};
StaticAutoPtr<DateCacheCleaner> sDateCacheCleaner;
void
InitializeDateCacheCleaner()
{
if (!sDateCacheCleaner) {
sDateCacheCleaner = new DateCacheCleaner();
ClearOnShutdown(&sDateCacheCleaner);
}
}
} // namespace time
} // namespace dom
} // namespace mozilla