gecko/content/media/gmp/GMPTimerParent.cpp

132 lines
3.0 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 "GMPTimerParent.h"
#include "nsComponentManagerUtils.h"
#include "mozilla/unused.h"
namespace mozilla {
#ifdef LOG
#undef LOG
#endif
#ifdef PR_LOGGING
extern PRLogModuleInfo* GetGMPLog();
#define LOGD(msg) PR_LOG(GetGMPLog(), PR_LOG_DEBUG, msg)
#define LOG(level, msg) PR_LOG(GetGMPLog(), (level), msg)
#else
#define LOGD(msg)
#define LOG(level, msg)
#endif
#ifdef __CLASS__
#undef __CLASS__
#endif
#define __CLASS__ "GMPParent"
namespace gmp {
GMPTimerParent::GMPTimerParent(nsIThread* aGMPThread)
: mGMPThread(aGMPThread)
, mIsOpen(true)
{
}
bool
GMPTimerParent::RecvSetTimer(const uint32_t& aTimerId,
const uint32_t& aTimeoutMs)
{
LOGD(("%s::%s: %p mIsOpen=%d", __CLASS__, __FUNCTION__, this, mIsOpen));
MOZ_ASSERT(mGMPThread == NS_GetCurrentThread());
if (!mIsOpen) {
return true;
}
nsresult rv;
nsAutoPtr<Context> ctx(new Context());
ctx->mTimer = do_CreateInstance("@mozilla.org/timer;1", &rv);
NS_ENSURE_SUCCESS(rv, true);
ctx->mId = aTimerId;
rv = ctx->mTimer->SetTarget(mGMPThread);
NS_ENSURE_SUCCESS(rv, true);
ctx->mParent = this;
rv = ctx->mTimer->InitWithFuncCallback(&GMPTimerParent::GMPTimerExpired,
ctx,
aTimeoutMs,
nsITimer::TYPE_ONE_SHOT);
NS_ENSURE_SUCCESS(rv, true);
mTimers.PutEntry(ctx.forget());
return true;
}
void
GMPTimerParent::Shutdown()
{
LOGD(("%s::%s: %p mIsOpen=%d", __CLASS__, __FUNCTION__, this, mIsOpen));
MOZ_ASSERT(mGMPThread == NS_GetCurrentThread());
mTimers.EnumerateEntries(GMPTimerParent::CancelTimers, nullptr);
mTimers.Clear();
mIsOpen = false;
}
/*static */
PLDHashOperator
GMPTimerParent::CancelTimers(nsPtrHashKey<Context>* aContext, void* aClosure)
{
auto context = aContext->GetKey();
context->mTimer->Cancel();
delete context;
return PL_DHASH_NEXT;
}
void
GMPTimerParent::ActorDestroy(ActorDestroyReason aWhy)
{
LOGD(("%s::%s: %p mIsOpen=%d", __CLASS__, __FUNCTION__, this, mIsOpen));
Shutdown();
}
/* static */
void
GMPTimerParent::GMPTimerExpired(nsITimer *aTimer, void *aClosure)
{
MOZ_ASSERT(aClosure);
nsAutoPtr<Context> ctx(static_cast<Context*>(aClosure));
MOZ_ASSERT(ctx->mParent);
if (ctx->mParent) {
ctx->mParent->TimerExpired(ctx);
}
}
void
GMPTimerParent::TimerExpired(Context* aContext)
{
LOGD(("%s::%s: %p mIsOpen=%d", __CLASS__, __FUNCTION__, this, mIsOpen));
MOZ_ASSERT(mGMPThread == NS_GetCurrentThread());
if (!mIsOpen) {
return;
}
uint32_t id = aContext->mId;
mTimers.RemoveEntry(aContext);
if (id) {
unused << SendTimerExpired(id);
}
}
} // namespace gmp
} // namespace mozilla