tinypilot/app/templates/custom-elements/connection-indicator.html at master · tiny-pilot/tinypilot · GitHub

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<template id="connection-indicator-template">
  <style>
    @import "css/style.css";

    :host {
      position: relative;
    }

    .status-bar-tooltip {
      /* Slightly tweak the tooltip width, so that the “disconnected” text will
         break in an optimal way, without creating extra space on the right. */
      max-width: 23em;
    }

    :host(:hover) .status-bar-tooltip {
      display: block;
    }

    .status {
      display: flex;
      flex-direction: row;
      align-items: center;
    }

    .status-dot {
      height: 1rem;
      width: 1rem;
      margin-right: 0.5rem;
      border-radius: 50%;
      display: inline-block;
      /* Disconnected state */
      background-color: var(--brand-red-bright);
    }

    :host([connected="true"]) .status-dot {
      background-color: var(--brand-green-bright);
    }

    .connected-text,
    .label-connected {
      display: none;
    }

    :host([connected="true"]) .connected-text,
    :host([connected="true"]) .label-connected {
      display: block;
    }

    .disconnected-text,
    .label-disconnected {
      display: block;
    }

    :host([connected="true"]) .disconnected-text,
    :host([connected="true"]) .label-disconnected {
      display: none;
    }
  </style>
  <div class="status">
    <span class="status-dot"></span>
    <div>
      <span class="label-connected">Connected</span>
      <span class="label-disconnected">Disconnected</span>
    </div>
  </div>
  <div class="status-bar-tooltip">
    <p class="connected-text">
      Your browser is connected to your TinyPilot device.
    </p>
    <p class="disconnected-text">
      Your browser is currently unable to connect to your TinyPilot device over
      the network.
    </p>
    <p>
      See “System”&nbsp;&gt; “Networking”&nbsp;&gt; “Status” for more
      information.
    </p>
  </div>
</template>

<script type="module">
  (function () {
    const template = document.querySelector("#connection-indicator-template");

    customElements.define(
      "connection-indicator",
      class extends HTMLElement {
        connectedCallback() {
          this.attachShadow({ mode: "open" }).appendChild(
            template.content.cloneNode(true)
          );
        }

        get connected() {
          return this.getAttribute("connected");
        }

        set connected(isConnected) {
          this.setAttribute("connected", isConnected);
        }
      }
    );
  })();
</script>