PLDHashOperator
AudioChannelService::WindowDestroyedEnumerator(AudioChannelAgent* aAgent,
nsAutoPtr<AudioChannelAgentData>& aData,
void* aPtr)
{
auto* data = static_cast<WindowDestroyedEnumeratorData*>(aPtr);
MOZ_ASSERT(data);
nsCOMPtr<nsPIDOMWindow> window = do_QueryInterface(aAgent->Window());
if (window && !window->IsInnerWindow()) {
window = window->GetCurrentInnerWindow();
}
if (!window || window->WindowID() != data->mInnerID) {
return PL_DHASH_NEXT;
}
AudioChannelService* service = AudioChannelService::GetAudioChannelService();
MOZ_ASSERT(service);
service->UnregisterType(aData->mChannel, aData->mElementHidden,
CONTENT_PROCESS_ID_MAIN, aData->mWithVideo);
data->mAgents.AppendElement(aAgent);
return PL_DHASH_REMOVE;
}
void AudioChannelAgent::NotifyAudioChannelStateChanged()
{
if (mCallback != nullptr) {
AudioChannelService *service = AudioChannelService::GetAudioChannelService();
mCallback->CanPlayChanged(!service->GetMuted(this, !mVisible));
}
}
void
AudioManager::HandleAudioChannelProcessChanged()
{
// Note: If the user answers a VoIP call (e.g. WebRTC calls) during the
// telephony call (GSM/CDMA calls) the audio manager won't set the
// PHONE_STATE_IN_COMMUNICATION audio state. Once the telephony call finishes
// the RIL plumbing sets the PHONE_STATE_NORMAL audio state. This seems to be
// an issue for the VoIP call but it is not. Once the RIL plumbing sets the
// the PHONE_STATE_NORMAL audio state the AudioManager::mPhoneAudioAgent
// member will call the StopPlaying() method causing that this function will
// be called again and therefore the audio manager sets the
// PHONE_STATE_IN_COMMUNICATION audio state.
if ((mPhoneState == PHONE_STATE_IN_CALL) ||
(mPhoneState == PHONE_STATE_RINGTONE)) {
return;
}
AudioChannelService *service = AudioChannelService::GetOrCreateAudioChannelService();
MOZ_ASSERT(service);
bool telephonyChannelIsActive = service->TelephonyChannelIsActive();
telephonyChannelIsActive ? SetPhoneState(PHONE_STATE_IN_COMMUNICATION) :
SetPhoneState(PHONE_STATE_NORMAL);
}
SpeakerManagerService::~SpeakerManagerService()
{
MOZ_COUNT_DTOR(SpeakerManagerService);
AudioChannelService* audioChannelService =
AudioChannelService::GetOrCreateAudioChannelService();
if (audioChannelService)
audioChannelService->UnregisterSpeakerManager(this);
}
void AudioChannelAgent::NotifyAudioChannelStateChanged()
{
nsCOMPtr<nsIAudioChannelAgentCallback> callback = GetCallback();
if (callback) {
AudioChannelService *service = AudioChannelService::GetAudioChannelService();
callback->CanPlayChanged(service->GetState(this, !mVisible));
}
}
SpeakerManagerServiceChild::SpeakerManagerServiceChild()
{
MOZ_ASSERT(NS_IsMainThread());
AudioChannelService* audioChannelService = AudioChannelService::GetOrCreateAudioChannelService();
if (audioChannelService) {
audioChannelService->RegisterSpeakerManager(this);
}
MOZ_COUNT_CTOR(SpeakerManagerServiceChild);
}
/* void setVisibilityState (in boolean visible); */
NS_IMETHODIMP AudioChannelAgent::SetVisibilityState(bool visible)
{
bool oldVisibility = mVisible;
mVisible = visible;
if (mIsRegToService && oldVisibility != mVisible && mCallback != nullptr) {
AudioChannelService *service = AudioChannelService::GetAudioChannelService();
mCallback->CanPlayChanged(!service->GetMuted(this, !mVisible));
}
return NS_OK;
}
/* void stopPlaying (); */
NS_IMETHODIMP AudioChannelAgent::StopPlaying(void)
{
if (mAudioChannelType == AUDIO_AGENT_CHANNEL_ERROR ||
mIsRegToService == false) {
return NS_ERROR_FAILURE;
}
AudioChannelService *service = AudioChannelService::GetAudioChannelService();
service->UnregisterAudioChannelAgent(this);
mIsRegToService = false;
return NS_OK;
}
/* void setVisibilityState (in boolean visible); */
NS_IMETHODIMP AudioChannelAgent::SetVisibilityState(bool visible)
{
bool oldVisibility = mVisible;
nsCOMPtr<nsIAudioChannelAgentCallback> callback = GetCallback();
mVisible = visible;
if (mIsRegToService && oldVisibility != mVisible && callback) {
AudioChannelService *service = AudioChannelService::GetAudioChannelService();
callback->CanPlayChanged(service->GetState(this, !mVisible));
}
return NS_OK;
}
/* boolean startPlaying (); */
NS_IMETHODIMP AudioChannelAgent::StartPlaying(bool *_retval)
{
AudioChannelService *service = AudioChannelService::GetAudioChannelService();
if (mAudioChannelType == AUDIO_AGENT_CHANNEL_ERROR ||
service == nullptr) {
return NS_ERROR_FAILURE;
}
service->RegisterAudioChannelAgent(this,
static_cast<AudioChannelType>(mAudioChannelType));
*_retval = !service->GetMuted(this, !mVisible);
mIsRegToService = true;
return NS_OK;
}
/* boolean startPlaying (); */
NS_IMETHODIMP AudioChannelAgent::StartPlaying(int32_t *_retval)
{
AudioChannelService *service = AudioChannelService::GetAudioChannelService();
if (mAudioChannelType == AUDIO_AGENT_CHANNEL_ERROR ||
service == nullptr || mIsRegToService) {
return NS_ERROR_FAILURE;
}
service->RegisterAudioChannelAgent(this,
static_cast<AudioChannel>(mAudioChannelType), mWithVideo);
*_retval = service->GetState(this, !mVisible);
mIsRegToService = true;
return NS_OK;
}
SpeakerManagerService::SpeakerManagerService()
: mOrgSpeakerStatus(false),
mVisible(false)
{
MOZ_COUNT_CTOR(SpeakerManagerService);
if (XRE_IsParentProcess()) {
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
if (obs) {
obs->AddObserver(this, "ipc:content-shutdown", false);
}
}
AudioChannelService* audioChannelService =
AudioChannelService::GetOrCreateAudioChannelService();
if (audioChannelService) {
audioChannelService->RegisterSpeakerManager(this);
}
}
PLDHashOperator
AudioChannelService::WindowDestroyedEnumerator(AudioChannelAgent* aAgent,
nsAutoPtr<AudioChannelAgentData>& aData,
void* aPtr)
{
uint64_t* innerID = static_cast<uint64_t*>(aPtr);
MOZ_ASSERT(innerID);
nsCOMPtr<nsPIDOMWindow> window = do_QueryInterface(aAgent->Window());
if (!window || window->WindowID() != *innerID) {
return PL_DHASH_NEXT;
}
AudioChannelService* service = AudioChannelService::GetAudioChannelService();
MOZ_ASSERT(service);
service->UnregisterType(aData->mChannel, aData->mElementHidden,
CONTENT_PROCESS_ID_MAIN, aData->mWithVideo);
return PL_DHASH_REMOVE;
}
NS_IMETHODIMP
SpeakerManager::HandleEvent(nsIDOMEvent* aEvent)
{
nsAutoString type;
aEvent->GetType(type);
if (!type.EqualsLiteral("visibilitychange")) {
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsIDocShell> docshell = do_GetInterface(GetOwner());
NS_ENSURE_TRUE(docshell, NS_ERROR_FAILURE);
docshell->GetIsActive(&mVisible);
// If an app that has called forcespeaker=true is switched
// from the background to the foreground 'speakerforced'
// switches to true in all apps. I.e. the app doesn't have to
// call forcespeaker=true again when it comes into foreground.
SpeakerManagerService *service =
SpeakerManagerService::GetOrCreateSpeakerManagerService();
MOZ_ASSERT(service);
if (mVisible && mForcespeaker) {
service->ForceSpeaker(mForcespeaker, mVisible);
}
// If an application that has called forcespeaker=true, but no audio is
// currently playing in the app itself, if application switch to
// the background, we switch 'speakerforced' to false.
if (!mVisible && mForcespeaker) {
AudioChannelService* audioChannelService =
AudioChannelService::GetOrCreateAudioChannelService();
if (audioChannelService && !audioChannelService->AnyAudioChannelIsActive()) {
service->ForceSpeaker(false, mVisible);
}
}
return NS_OK;
}