зеркало из https://github.com/mozilla/gecko-dev.git
80 строки
2.3 KiB
C++
80 строки
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_SpeakerManagerService_h__
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#define mozilla_dom_SpeakerManagerService_h__
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#include "nsIObserver.h"
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#include "nsTArray.h"
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#include "SpeakerManager.h"
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#include "nsIAudioManager.h"
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#include "nsCheapSets.h"
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#include "nsHashKeys.h"
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namespace mozilla {
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namespace dom {
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class SpeakerManagerService : public nsIObserver
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIOBSERVER
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/*
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* Return null or instance which has been created.
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*/
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static SpeakerManagerService* GetSpeakerManagerService();
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/*
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* Return SpeakerManagerService instance.
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* If SpeakerManagerService is not exist, create and return new one.
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*/
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static SpeakerManagerService* GetOrCreateSpeakerManagerService();
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virtual void ForceSpeaker(bool aEnable, bool aVisible);
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virtual bool GetSpeakerStatus();
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virtual void SetAudioChannelActive(bool aIsActive);
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// Called by child
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void ForceSpeaker(bool enable, uint64_t aChildid);
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// Register the SpeakerManager to service for notify the speakerforcedchange event
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void RegisterSpeakerManager(SpeakerManager* aSpeakerManager)
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{
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mRegisteredSpeakerManagers.AppendElement(aSpeakerManager);
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}
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void UnRegisterSpeakerManager(SpeakerManager* aSpeakerManager)
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{
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mRegisteredSpeakerManagers.RemoveElement(aSpeakerManager);
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}
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protected:
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SpeakerManagerService();
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virtual ~SpeakerManagerService();
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// Notify to UA if device speaker status changed
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virtual void Notify();
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void TurnOnSpeaker(bool aEnable);
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/**
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* Shutdown the singleton.
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*/
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static void Shutdown();
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nsTArray<RefPtr<SpeakerManager> > mRegisteredSpeakerManagers;
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// Set for remember all the child speaker status
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nsCheapSet<nsUint64HashKey> mSpeakerStatusSet;
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// The Speaker status assign by UA
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bool mOrgSpeakerStatus;
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bool mVisible;
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// This is needed for IPC communication between
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// SpeakerManagerServiceChild and this class.
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friend class ContentParent;
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friend class ContentChild;
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};
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} // namespace dom
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} // namespace mozilla
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#endif
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