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Bug 819275 - [Audio] The Usage of nsRefPtr for AudioChannelService is Wrong. r=roc, a=blocking-basecamp

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This commit is contained in:
Marco Chen 2012-12-07 19:31:57 +08:00
parent 4f25ab855f
commit 51cd2c8a1a
1 changed files with 10 additions and 10 deletions
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20
dom/audiochannel/AudioChannelAgent.cpp
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@ -10,20 +10,16 @@ using namespace mozilla::dom;
NS_IMPL_ISUPPORTS1(AudioChannelAgent, nsIAudioChannelAgent)
static nsRefPtr<AudioChannelService> gAudioChannelService;
AudioChannelAgent::AudioChannelAgent()
: mCallback(nullptr)
, mAudioChannelType(AUDIO_AGENT_CHANNEL_ERROR)
, mIsRegToService(false)
, mVisible(true)
{
gAudioChannelService = AudioChannelService::GetAudioChannelService();
}
AudioChannelAgent::~AudioChannelAgent()
{
gAudioChannelService = nullptr;
}
/* readonly attribute long audioChannelType; */
@ -68,14 +64,15 @@ NS_IMETHODIMP AudioChannelAgent::Init(int32_t channelType, nsIAudioChannelAgentC
/* boolean startPlaying (); */
NS_IMETHODIMP AudioChannelAgent::StartPlaying(bool *_retval)
{
AudioChannelService *service = AudioChannelService::GetAudioChannelService();
if (mAudioChannelType == AUDIO_AGENT_CHANNEL_ERROR ||
gAudioChannelService == nullptr) {
service == nullptr) {
return NS_ERROR_FAILURE;
}
gAudioChannelService->RegisterAudioChannelAgent(this,
service->RegisterAudioChannelAgent(this,
static_cast<AudioChannelType>(mAudioChannelType));
*_retval = !gAudioChannelService->GetMuted(static_cast<AudioChannelType>(mAudioChannelType), !mVisible);
*_retval = !service->GetMuted(static_cast<AudioChannelType>(mAudioChannelType), !mVisible);
mIsRegToService = true;
return NS_OK;
}
@ -88,7 +85,8 @@ NS_IMETHODIMP AudioChannelAgent::StopPlaying(void)
return NS_ERROR_FAILURE;
}
gAudioChannelService->UnregisterAudioChannelAgent(this);
AudioChannelService *service = AudioChannelService::GetAudioChannelService();
service->UnregisterAudioChannelAgent(this);
mIsRegToService = false;
return NS_OK;
}
@ -100,7 +98,8 @@ NS_IMETHODIMP AudioChannelAgent::SetVisibilityState(bool visible)
mVisible = visible;
if (mIsRegToService && oldVisibility != mVisible && mCallback != nullptr) {
mCallback->CanPlayChanged(!gAudioChannelService->GetMuted(static_cast<AudioChannelType>(mAudioChannelType),
AudioChannelService *service = AudioChannelService::GetAudioChannelService();
mCallback->CanPlayChanged(!service->GetMuted(static_cast<AudioChannelType>(mAudioChannelType),
!mVisible));
}
return NS_OK;
@ -109,7 +108,8 @@ NS_IMETHODIMP AudioChannelAgent::SetVisibilityState(bool visible)
void AudioChannelAgent::NotifyAudioChannelStateChanged()
{
if (mCallback != nullptr) {
mCallback->CanPlayChanged(!gAudioChannelService->GetMuted(static_cast<AudioChannelType>(mAudioChannelType),
AudioChannelService *service = AudioChannelService::GetAudioChannelService();
mCallback->CanPlayChanged(!service->GetMuted(static_cast<AudioChannelType>(mAudioChannelType),
!mVisible));
}
}