Exemplos de GetMainThreadEventTarget em C++ (Cpp)

Exemplo n.º 1

Arquivo: VideoUtils.cpp Projeto: artines1/gecko-dev

nsresult
SimpleTimer::Init(nsIRunnable* aTask, uint32_t aTimeoutMs, nsIEventTarget* aTarget)
{
  nsresult rv;

  // Get target thread first, so we don't have to cancel the timer if it fails.
  nsCOMPtr<nsIEventTarget> target;
  if (aTarget) {
    target = aTarget;
  } else {
    target = GetMainThreadEventTarget();
    if (!target) {
      return NS_ERROR_NOT_AVAILABLE;
    }
  }

  rv = NS_NewTimerWithCallback(getter_AddRefs(mTimer),
                               this, aTimeoutMs, nsITimer::TYPE_ONE_SHOT,
                               target);
  if (NS_FAILED(rv)) {
    return rv;
  }

  mTask = aTask;
  return NS_OK;
}

Exemplo n.º 2

Arquivo: PDMFactory.cpp Projeto: bgrins/gecko-dev

void
PDMFactory::EnsureInit() const
{
  {
    StaticMutexAutoLock mon(sMonitor);
    if (sInstance) {
      // Quick exit if we already have an instance.
      return;
    }
    if (NS_IsMainThread()) {
      // On the main thread and holding the lock -> Create instance.
      sInstance = new PDMFactoryImpl();
      ClearOnShutdown(&sInstance);
      return;
    }
  }

  // Not on the main thread -> Sync-dispatch creation to main thread.
  nsCOMPtr<nsIEventTarget> mainTarget = GetMainThreadEventTarget();
  nsCOMPtr<nsIRunnable> runnable =
    NS_NewRunnableFunction("PDMFactory::EnsureInit", []() {
      StaticMutexAutoLock mon(sMonitor);
      if (!sInstance) {
        sInstance = new PDMFactoryImpl();
        ClearOnShutdown(&sInstance);
      }
    });
  SyncRunnable::DispatchToThread(mainTarget, runnable);
}

Exemplo n.º 3

Arquivo: U2FTokenManager.cpp Projeto: marcoscaceres/gecko-dev

template<typename ...T> void
U2FTokenManager::SendPromptNotification(const char16_t* aFormat, T... aArgs)
{
  mozilla::ipc::AssertIsOnBackgroundThread();

  nsAutoString json;
  nsTextFormatter::ssprintf(json, aFormat, aArgs...);

  nsCOMPtr<nsIRunnable> r(NewRunnableMethod<nsString>(
      "U2FTokenManager::RunSendPromptNotification", this,
      &U2FTokenManager::RunSendPromptNotification, json));

  MOZ_ALWAYS_SUCCEEDS(
    GetMainThreadEventTarget()->Dispatch(r.forget(), NS_DISPATCH_NORMAL));
}

Exemplo n.º 4

Arquivo: VideoUtils.cpp Projeto: bgrins/gecko-dev

nsresult
SimpleTimer::Init(nsIRunnable* aTask, uint32_t aTimeoutMs, nsIEventTarget* aTarget)
{
  nsresult rv;

  // Get target thread first, so we don't have to cancel the timer if it fails.
  nsCOMPtr<nsIEventTarget> target;
  if (aTarget) {
    target = aTarget;
  } else {
    target = GetMainThreadEventTarget();
    if (!target) {
      return NS_ERROR_NOT_AVAILABLE;
    }
  }

  nsCOMPtr<nsITimer> timer = do_CreateInstance(NS_TIMER_CONTRACTID, &rv);
  if (NS_FAILED(rv)) {
    return rv;
  }
  // Note: set target before InitWithCallback in case the timer fires before
  // we change the event target.
  rv = timer->SetTarget(target);
  if (NS_FAILED(rv)) {
    timer->Cancel();
    return rv;
  }
  rv = timer->InitWithCallback(this, aTimeoutMs, nsITimer::TYPE_ONE_SHOT);
  if (NS_FAILED(rv)) {
    return rv;
  }

  mTimer = timer.forget();
  mTask = aTask;
  return NS_OK;
}