Class: JsSpeechRecognition

Inherits:
Object
  • Object
show all
Defined in:
lib/jsspeech2019.rb

Instance Method Summary collapse

Constructor Details

#initialize(lang: 'en-GB') ⇒ JsSpeechRecognition

Returns a new instance of JsSpeechRecognition.



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# File 'lib/jsspeech2019.rb', line 13

def initialize(lang: 'en-GB')
  @lang = lang
end

Instance Method Details

#to_css ⇒ Object 



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# File 'lib/jsspeech2019.rb', line 69

def to_css()
  ''
end

#to_html ⇒ Object 



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# File 'lib/jsspeech2019.rb', line 17

def to_html()
  
<<HTML    
<button id="start-button">Start Listening</button>
<p><strong>You said:</strong> <em id="demo-echo">nothing yet</em>.</p>    
HTML
end

#to_js ⇒ Object 



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# File 'lib/jsspeech2019.rb', line 25

def to_js()
  
<<JS
	function startListening() {
var recognition = new (webkitSpeechRecognition || SpeechRecognition)();
recognition.lang = '#{@lang}';
recognition.interimResults = false;
recognition.maxAlternatives = 1;
recognition.start();

[
 'onaudiostart',
 'onaudioend',
 'onend',
 'onerror',
 'onnomatch',
 'onresult',
 'onsoundstart',
 'onsoundend',
 'onspeechend',
 'onstart'
].forEach(function(eventName) {
	recognition[eventName] = function(e) {
		console.log(eventName, e);
	};
});

document.querySelector('#start-button').innerHTML = 'Listening...';

recognition.onend = function() {
	document.querySelector('#start-button').innerHTML = 'Start Listening';
};
recognition.onresult = function() {
	document.querySelector('#demo-echo').textContent = event.results[0][0].transcript;
};
	};

	(function() {
document.querySelector('#start-button').addEventListener('click', startListening);
	})();
JS

end

#to_webpage ⇒ Object 



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# File 'lib/jsspeech2019.rb', line 73

def to_webpage()

  a = RexleBuilder.build do |xml|
    xml.html do 
      xml.head do
        xml.title 'Speech Recognition'
        xml.meta name: "viewport", content: \
            "width=device-width, initial-scale=1"
        xml.style "\nbody {font-family: Arial;}\n\n" + to_css()
      end
      xml.body
    end
  end

  doc = Rexle.new(a)
  e = Rexle.new("<html>%s</html>" % to_html()).root
  
  e.children.each {|child| doc.root.element('body').add child }
  
  doc.root.element('body').add \
      Rexle::Element.new('script').add_text "\n" + 
      to_js().gsub(/^ +\/\/[^\n]+\n/,'')
  
  "<!DOCTYPE html>\n" + doc.xml(pretty: true, declaration: false)\
      .gsub(/<\/div>/,'\0' + "\n").gsub(/\n *<!--[^>]+>/,'')
  
end