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63 lines
2.0 KiB
C++
63 lines
2.0 KiB
C++
/* -*- Mode: C++; tab-width: 50; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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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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#ifndef _LOADMANAGER_H_
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#define _LOADMANAGER_H_
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#include "LoadMonitor.h"
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#include "webrtc/common_types.h"
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#include "webrtc/video_engine/include/vie_base.h"
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#include "mozilla/TimeStamp.h"
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#include "nsTArray.h"
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extern PRLogModuleInfo *gLoadManagerLog;
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namespace mozilla {
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class LoadManager : public LoadNotificationCallback,
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public webrtc::CPULoadStateCallbackInvoker,
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public webrtc::CpuOveruseObserver
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{
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public:
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LoadManager(int aLoadMeasurementInterval,
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int aAveragingMeasurements,
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float aHighLoadThreshold,
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float aLowLoadThreshold);
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~LoadManager();
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// LoadNotificationCallback interface
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virtual void LoadChanged(float aSystemLoad, float aProcessLoad) MOZ_OVERRIDE;
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// CpuOveruseObserver interface
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// Called as soon as an overuse is detected.
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virtual void OveruseDetected() MOZ_OVERRIDE;
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// Called periodically when the system is not overused any longer.
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virtual void NormalUsage() MOZ_OVERRIDE;
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// CPULoadStateCallbackInvoker interface
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virtual void AddObserver(webrtc::CPULoadStateObserver * aObserver) MOZ_OVERRIDE;
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virtual void RemoveObserver(webrtc::CPULoadStateObserver * aObserver) MOZ_OVERRIDE;
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private:
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void LoadHasChanged();
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nsRefPtr<LoadMonitor> mLoadMonitor;
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float mLoadSum;
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int mLoadSumMeasurements;
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// Set when overuse was signaled to us, and hasn't been un-signaled yet.
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bool mOveruseActive;
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// Load measurement settings
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int mLoadMeasurementInterval;
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int mAveragingMeasurements;
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float mHighLoadThreshold;
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float mLowLoadThreshold;
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webrtc::CPULoadState mCurrentState;
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nsTArray<webrtc::CPULoadStateObserver*> mObservers;
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};
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} //namespace
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#endif /* _LOADMANAGER_H_ */
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