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79 lines
2.2 KiB
C++
79 lines
2.2 KiB
C++
/* 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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_system_nsvolumeservice_h__
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#define mozilla_system_nsvolumeservice_h__
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#include "mozilla/Monitor.h"
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#include "mozilla/RefPtr.h"
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#include "mozilla/StaticPtr.h"
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#include "nsCOMPtr.h"
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#include "nsIDOMWakeLockListener.h"
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#include "nsIVolume.h"
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#include "nsIVolumeService.h"
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#include "nsVolume.h"
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namespace mozilla {
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namespace dom {
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class VolumeInfo;
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} // dom
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namespace system {
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class Volume;
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/***************************************************************************
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* The nsVolumeData class encapsulates the data that is updated/maintained
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* on the main thread in order to support the nsIVolume and nsIVolumeService
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* classes.
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*/
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class nsVolumeService final : public nsIVolumeService,
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public nsIDOMMozWakeLockListener
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{
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public:
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NS_DECL_THREADSAFE_ISUPPORTS
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NS_DECL_NSIVOLUMESERVICE
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NS_DECL_NSIDOMMOZWAKELOCKLISTENER
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nsVolumeService();
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static already_AddRefed<nsVolumeService> GetSingleton();
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//static nsVolumeService* GetSingleton();
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static void Shutdown();
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void DumpNoLock(const char* aLabel);
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// To use this function, you have to create a new volume and pass it in.
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void UpdateVolume(nsVolume* aVolume, bool aNotifyObservers = true);
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void UpdateVolumeIOThread(const Volume* aVolume);
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void RecvVolumesFromParent(const nsTArray<dom::VolumeInfo>& aVolumes);
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void GetVolumesForIPC(nsTArray<dom::VolumeInfo>* aResult);
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void RemoveVolumeByName(const nsAString& aName);
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private:
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~nsVolumeService();
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void CheckMountLock(const nsAString& aMountLockName,
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const nsAString& aMountLockState);
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already_AddRefed<nsVolume> FindVolumeByMountLockName(const nsAString& aMountLockName);
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already_AddRefed<nsVolume> FindVolumeByName(const nsAString& aName,
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nsVolume::Array::index_type* aIndex = nullptr);
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Monitor mArrayMonitor;
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nsVolume::Array mVolumeArray;
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static StaticRefPtr<nsVolumeService> sSingleton;
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bool mGotVolumesFromParent;
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};
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} // system
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} // mozilla
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#endif // mozilla_system_nsvolumeservice_h__
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