gecko/media/mtransport/nr_timer.cpp

100 lines
2.3 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=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/. */
/* 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/. */
// Original code by: ekr@rtfm.com
// Implementation of the NR timer interface
#include "nsCOMPtr.h"
#include "nsComponentManagerUtils.h"
#include "nsIEventTarget.h"
#include "nsITimer.h"
#include "nsNetCID.h"
extern "C" {
#include "nr_api.h"
#include "async_timer.h"
}
namespace mozilla {
class nrappkitTimerCallback : public nsITimerCallback
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSITIMERCALLBACK
nrappkitTimerCallback(NR_async_cb cb, void *cb_arg) : cb_(cb), cb_arg_(cb_arg) {}
private:
virtual ~nrappkitTimerCallback() {}
protected:
/* additional members */
NR_async_cb cb_;
void *cb_arg_;
};
NS_IMPL_ISUPPORTS1(nrappkitTimerCallback, nsITimerCallback)
NS_IMETHODIMP nrappkitTimerCallback::Notify(nsITimer *timer) {
r_log(LOG_GENERIC, LOG_DEBUG, "Timer callback fired");
cb_(0, 0, cb_arg_);
// Allow the timer to go away.
timer->Release();
return NS_OK;
}
} // close namespace
using namespace mozilla;
int NR_async_timer_set(int timeout, NR_async_cb cb, void *arg, char *func,
int l, void **handle) {
nsresult rv;
nsCOMPtr<nsITimer> timer = do_CreateInstance(NS_TIMER_CONTRACTID, &rv);
if (NS_FAILED(rv)) {
return(R_FAILED);
}
rv = timer->InitWithCallback(new nrappkitTimerCallback(cb, arg),
timeout, nsITimer::TYPE_ONE_SHOT);
if (NS_FAILED(rv)) {
return R_FAILED;
}
// We need an AddRef here to keep the timer alive, per the spec.
timer->AddRef();
if (handle)
*handle = timer.get();
return 0;
}
int NR_async_schedule(NR_async_cb cb, void *arg, char *func, int l) {
return NR_async_timer_set(0, cb, arg, func, l, nullptr);
}
int NR_async_timer_cancel(void *handle) {
nsITimer *timer = static_cast<nsITimer *>(handle);
timer->Cancel();
// Allow the timer to go away.
timer->Release();
return 0;
}