From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- dom/audiochannel/AudioChannelAgent.h | 79 ++++++++++++++++++++++++++++++++++++ 1 file changed, 79 insertions(+) create mode 100644 dom/audiochannel/AudioChannelAgent.h (limited to 'dom/audiochannel/AudioChannelAgent.h') diff --git a/dom/audiochannel/AudioChannelAgent.h b/dom/audiochannel/AudioChannelAgent.h new file mode 100644 index 0000000000..9682219844 --- /dev/null +++ b/dom/audiochannel/AudioChannelAgent.h @@ -0,0 +1,79 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef mozilla_dom_audio_channel_agent_h__ +#define mozilla_dom_audio_channel_agent_h__ + +#include "nsIAudioChannelAgent.h" +#include "nsCycleCollectionParticipant.h" +#include "nsCOMPtr.h" +#include "nsIWeakReferenceUtils.h" + +class nsPIDOMWindowInner; +class nsPIDOMWindowOuter; + +namespace mozilla::dom { + +class AudioPlaybackConfig; + +/* Header file */ +class AudioChannelAgent : public nsIAudioChannelAgent { + public: + NS_DECL_CYCLE_COLLECTING_ISUPPORTS + NS_DECL_NSIAUDIOCHANNELAGENT + + NS_DECL_CYCLE_COLLECTION_CLASS(AudioChannelAgent) + + AudioChannelAgent(); + + // nsIAudioChannelAgentCallback MUST call this function after calling + // NotifyStartedPlaying() to require the initial update for + // volume/suspend/audio-capturing which might set before starting the agent. + // Ex. starting the agent in a tab which has been muted before, so the agent + // should apply mute state to its callback. + void PullInitialUpdate(); + + uint64_t WindowID() const; + + bool IsWindowAudioCapturingEnabled() const; + bool IsPlayingStarted() const; + + private: + virtual ~AudioChannelAgent(); + + friend class AudioChannelService; + void WindowVolumeChanged(float aVolume, bool aMuted); + void WindowSuspendChanged(nsSuspendedTypes aSuspend); + void WindowAudioCaptureChanged(uint64_t aInnerWindowID, bool aCapture); + + nsPIDOMWindowOuter* Window() const { return mWindow; } + uint64_t InnerWindowID() const; + AudioPlaybackConfig GetMediaConfig() const; + + // Returns mCallback if that's non-null, or otherwise tries to get an + // nsIAudioChannelAgentCallback out of mWeakCallback. + already_AddRefed GetCallback(); + + nsresult InitInternal(nsPIDOMWindowInner* aWindow, + nsIAudioChannelAgentCallback* aCallback, + bool aUseWeakRef); + + void Shutdown(); + + nsresult FindCorrectWindow(nsPIDOMWindowInner* aWindow); + + nsCOMPtr mWindow; + nsCOMPtr mCallback; + + nsWeakPtr mWeakCallback; + + uint64_t mInnerWindowID; + bool mIsRegToService; +}; + +} // namespace mozilla::dom + +#endif -- cgit v1.2.3