old_contents: # Copyright 2017 Mycroft AI Inc.
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #    http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  #
  import time
  
  from mycroft.util.signal import check_for_signal, create_signal
  
  
  def is_speaking():
      """Determine if Text to Speech is occurring
  
      Returns:
          bool: True while still speaking
      """
      return check_for_signal("isSpeaking", -1)
  
  
  def wait_while_speaking():
      """Pause as long as Text to Speech is still happening
  
      Pause while Text to Speech is still happening.  This always pauses
      briefly to ensure that any preceeding request to speak has time to
      begin.
      """
      time.sleep(0.3)  # Wait briefly in for any queued speech to begin
      while is_speaking():
          time.sleep(0.1)
  
  
  def stop_speaking():
      # TODO: Less hacky approach to this once Audio Manager is implemented
      # Skills should only be able to stop speech they've initiated
      from mycroft.messagebus.send import send
      create_signal('stoppingTTS')
      send('mycroft.audio.speech.stop')
  
      # Block until stopped
      while check_for_signal("isSpeaking", -1):
          time.sleep(0.25)
  
      # This consumes the signal
      check_for_signal('stoppingTTS')
  
new_contents: # Copyright 2017 Mycroft AI Inc.
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #    http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  #
  import time
  
  from mycroft.util.signal import check_for_signal
  
  
  def is_speaking():
      """Determine if Text to Speech is occurring
  
      Returns:
          bool: True while still speaking
      """
      return check_for_signal("isSpeaking", -1)
  
  
  def wait_while_speaking():
      """Pause as long as Text to Speech is still happening
  
      Pause while Text to Speech is still happening.  This always pauses
      briefly to ensure that any preceeding request to speak has time to
      begin.
      """
      time.sleep(0.3)  # Wait briefly in for any queued speech to begin
      while is_speaking():
          time.sleep(0.1)
  
  
  def stop_speaking():
      # TODO: Less hacky approach to this once Audio Manager is implemented
      # Skills should only be able to stop speech they've initiated
      from mycroft.messagebus.send import send
      send('mycroft.audio.speech.stop')
  
      # Block until stopped
      while check_for_signal("isSpeaking", -1):
          time.sleep(0.25)
  
subject: Remove filesystem signal for stopping speech