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dom/audiochannel/AudioChannelServiceChild.cpp@a63d609f5ebe (annotated)

dom/audiochannel/AudioChannelServiceChild.cpp

Thu, 15 Jan 2015 15:55:04 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Thu, 15 Jan 2015 15:55:04 +0100

branch

TOR_BUG_9701

changeset 9

a63d609f5ebe

permissions

-rw-r--r--

Back out 97036ab72558 which inappropriately compared turds to third parties.

michael@0	1	/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
michael@0	2	/* vim: set ts=2 et sw=2 tw=80: */
michael@0	3	/* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	4	* License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0	5	* You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	6
michael@0	7	#include "AudioChannelServiceChild.h"
michael@0	8
michael@0	9	#include "base/basictypes.h"
michael@0	10
michael@0	11	#include "mozilla/Services.h"
michael@0	12	#include "mozilla/StaticPtr.h"
michael@0	13	#include "mozilla/unused.h"
michael@0	14	#include "mozilla/dom/ContentChild.h"
michael@0	15	#include "mozilla/dom/ContentParent.h"
michael@0	16	#include "nsIObserverService.h"
michael@0	17	#include "nsThreadUtils.h"
michael@0	18
michael@0	19	#ifdef MOZ_WIDGET_GONK
michael@0	20	#include "SpeakerManagerService.h"
michael@0	21	#endif
michael@0	22
michael@0	23	using namespace mozilla;
michael@0	24	using namespace mozilla::dom;
michael@0	25	using namespace mozilla::hal;
michael@0	26
michael@0	27	StaticRefPtr<AudioChannelServiceChild> gAudioChannelServiceChild;
michael@0	28
michael@0	29	// static
michael@0	30	AudioChannelService*
michael@0	31	AudioChannelServiceChild::GetAudioChannelService()
michael@0	32	{
michael@0	33	MOZ_ASSERT(NS_IsMainThread());
michael@0	34
michael@0	35	// If we already exist, exit early
michael@0	36	if (gAudioChannelServiceChild) {
michael@0	37	return gAudioChannelServiceChild;
michael@0	38	}
michael@0	39
michael@0	40	// Create new instance, register, return
michael@0	41	nsRefPtr<AudioChannelServiceChild> service = new AudioChannelServiceChild();
michael@0	42	NS_ENSURE_TRUE(service, nullptr);
michael@0	43
michael@0	44	gAudioChannelServiceChild = service;
michael@0	45	return gAudioChannelServiceChild;
michael@0	46	}
michael@0	47
michael@0	48	void
michael@0	49	AudioChannelServiceChild::Shutdown()
michael@0	50	{
michael@0	51	if (gAudioChannelServiceChild) {
michael@0	52	gAudioChannelServiceChild = nullptr;
michael@0	53	}
michael@0	54	}
michael@0	55
michael@0	56	AudioChannelServiceChild::AudioChannelServiceChild()
michael@0	57	{
michael@0	58	}
michael@0	59
michael@0	60	AudioChannelServiceChild::~AudioChannelServiceChild()
michael@0	61	{
michael@0	62	}
michael@0	63
michael@0	64	AudioChannelState
michael@0	65	AudioChannelServiceChild::GetState(AudioChannelAgent* aAgent, bool aElementHidden)
michael@0	66	{
michael@0	67	AudioChannelAgentData* data;
michael@0	68	if (!mAgents.Get(aAgent, &data)) {
michael@0	69	return AUDIO_CHANNEL_STATE_MUTED;
michael@0	70	}
michael@0	71
michael@0	72	AudioChannelState state = AUDIO_CHANNEL_STATE_MUTED;
michael@0	73	bool oldElementHidden = data->mElementHidden;
michael@0	74
michael@0	75	UpdateChannelType(data->mChannel, CONTENT_PROCESS_ID_MAIN, aElementHidden,
michael@0	76	oldElementHidden);
michael@0	77
michael@0	78	// Update visibility.
michael@0	79	data->mElementHidden = aElementHidden;
michael@0	80
michael@0	81	ContentChild* cc = ContentChild::GetSingleton();
michael@0	82	cc->SendAudioChannelGetState(data->mChannel, aElementHidden, oldElementHidden,
michael@0	83	&state);
michael@0	84	data->mState = state;
michael@0	85	cc->SendAudioChannelChangedNotification();
michael@0	86
michael@0	87	return state;
michael@0	88	}
michael@0	89
michael@0	90	void
michael@0	91	AudioChannelServiceChild::RegisterAudioChannelAgent(AudioChannelAgent* aAgent,
michael@0	92	AudioChannel aChannel,
michael@0	93	bool aWithVideo)
michael@0	94	{
michael@0	95	AudioChannelService::RegisterAudioChannelAgent(aAgent, aChannel, aWithVideo);
michael@0	96
michael@0	97	ContentChild::GetSingleton()->SendAudioChannelRegisterType(aChannel, aWithVideo);
michael@0	98
michael@0	99	nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
michael@0	100	if (obs) {
michael@0	101	obs->NotifyObservers(nullptr, "audio-channel-agent-changed", nullptr);
michael@0	102	}
michael@0	103	}
michael@0	104
michael@0	105	void
michael@0	106	AudioChannelServiceChild::UnregisterAudioChannelAgent(AudioChannelAgent* aAgent)
michael@0	107	{
michael@0	108	AudioChannelAgentData *pData;
michael@0	109	if (!mAgents.Get(aAgent, &pData)) {
michael@0	110	return;
michael@0	111	}
michael@0	112
michael@0	113	// We need to keep a copy because unregister will remove the
michael@0	114	// AudioChannelAgentData object from the hashtable.
michael@0	115	AudioChannelAgentData data(*pData);
michael@0	116
michael@0	117	AudioChannelService::UnregisterAudioChannelAgent(aAgent);
michael@0	118
michael@0	119	ContentChild::GetSingleton()->SendAudioChannelUnregisterType(
michael@0	120	data.mChannel, data.mElementHidden, data.mWithVideo);
michael@0	121
michael@0	122	nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
michael@0	123	if (obs) {
michael@0	124	obs->NotifyObservers(nullptr, "audio-channel-agent-changed", nullptr);
michael@0	125	}
michael@0	126	#ifdef MOZ_WIDGET_GONK
michael@0	127	bool active = AnyAudioChannelIsActive();
michael@0	128	for (uint32_t i = 0; i < mSpeakerManager.Length(); i++) {
michael@0	129	mSpeakerManager[i]->SetAudioChannelActive(active);
michael@0	130	}
michael@0	131	#endif
michael@0	132	}
michael@0	133
michael@0	134	void
michael@0	135	AudioChannelServiceChild::SetDefaultVolumeControlChannel(int32_t aChannel,
michael@0	136	bool aHidden)
michael@0	137	{
michael@0	138	ContentChild *cc = ContentChild::GetSingleton();
michael@0	139	if (cc) {
michael@0	140	cc->SendAudioChannelChangeDefVolChannel(aChannel, aHidden);
michael@0	141	}
michael@0	142	}