/* 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; }