webduino/wa-led.html at master · lloydhuang/webduino · GitHub

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<html>

<head>
  <script type="text/javascript" src="../webduino-js/src/module/Led.js"></script>
</head>

<body>
  <script>
  (function() {
    var proto = Object.create(HTMLElement.prototype, {
      pin: {
        get: function() {
          return this.getAttribute('pin');
        },
        set: function(val) {
          this.setAttribute('pin', val);
        }
      },
      intensity: {
        get: function() {
          return this.getAttribute('intensity');
        },
        set: function(val) {
          this.setAttribute('intensity', val);
        }
      },
      gnd: {
        get: function() {
          return this.getAttribute('gnd');
        },
        set: function(val) {
          this.setAttribute('gnd', val);
        }
      },
      state: {
        get: function() {
          return this.getAttribute('state');
        },
        set: function(val) {
          this.setAttribute('state', val);
        }
      }
    });

    proto.init_ = function(board) {
      var observer, config,
        Led = webduino.module.Led;

      this.led = new Led(board, board.getDigitalPin(this.pin));

      if (this.state === 'on') {
        this.on();
      }
    };

    proto.createGnd_ = function() {
      var gndLed;

      if (this.gnd) {
        if (this.gndLed) {
          this.gndLed.parentNode.removeChild(this.gndLed);
        }
        gndLed = document.createElement('wa-led');
        gndLed.setAttribute('pin', this.gnd);
        this.parentNode.appendChild(gndLed);
        this.gndLed = gndLed;
      }
    };

    proto.on = function() {
      this.led.on();
    };

    proto.off = function() {
      this.led.off();
    };

    proto.toggle = function() {
      this.led.toggle();
    };

    proto.attributeChangedCallback = function(attrName, oldVal, newVal) {
      if (this.led) {
        switch (attrName) {
          case 'state':
            newVal === "on" ? this.on() : this.off();
            break;
          case 'gnd':
            this.createGnd_();
            break;
          case 'intensity':
            this.led.intensity = newVal;
            break;
        }
      }
    };

    proto.createdCallback = function() {
      this.createGnd_();
    };

    proto.detachedCallback = function() {
      if (this.gndLed) {
        this.gndLed.parentNode.removeChild(this.gndLed);
      }
    };

    document.registerElement('wa-led', {
      prototype: proto
    });

  })();
  </script>
</body>

</html>