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50 lines
1.6 KiB
C++
50 lines
1.6 KiB
C++
/* -*- Mode: C++; tab-width: 50; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "LoadManager.h"
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#include "LoadManagerFactory.h"
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#include "MainThreadUtils.h"
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#include "nsIObserverService.h"
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#include "mozilla/Preferences.h"
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namespace mozilla {
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// Assume stored in an nsAutoPtr<>
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LoadManager *
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LoadManagerBuild(void)
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{
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return new LoadManager(LoadManagerSingleton::Get());
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}
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/* static */ LoadManagerSingleton*
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LoadManagerSingleton::Get() {
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if (!sSingleton) {
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MOZ_ASSERT(NS_IsMainThread());
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int loadMeasurementInterval =
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mozilla::Preferences::GetInt("media.navigator.load_adapt.measure_interval", 1000);
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int averagingSeconds =
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mozilla::Preferences::GetInt("media.navigator.load_adapt.avg_seconds", 3);
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float highLoadThreshold =
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mozilla::Preferences::GetFloat("media.navigator.load_adapt.high_load", 0.90f);
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float lowLoadThreshold =
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mozilla::Preferences::GetFloat("media.navigator.load_adapt.low_load", 0.40f);
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sSingleton = new LoadManagerSingleton(loadMeasurementInterval,
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averagingSeconds,
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highLoadThreshold,
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lowLoadThreshold);
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nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
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if (obs) {
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obs->AddObserver(sSingleton, "xpcom-shutdown", false);
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}
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}
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return sSingleton;
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}
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}; // namespace
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