PTN-Ninja/test-embed.html at master · gruppler/PTN-Ninja · GitHub

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<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1" />
    <title>Embed Test</title>

    <style media="screen">
      body {
        margin: 0;
        padding: 30px;
        font-family: sans-serif;
      }
      .row {
        width: 100%;
        display: flex;
        justify-content: space-between;
        align-items: stretch;
      }
      body > .row {
        flex-grow: 1;
        min-width: 200px;
        flex-wrap: wrap;
        margin-top: 1em;
      }
      body > .row > * {
        flex-grow: 1;
        min-width: 200px;
      }
      .row input,
      .row textarea {
        width: 100% !important;
        margin-bottom: 1em;
      }
      #sendMessage,
      #clearOutput {
        position: sticky;
        top: 1em;
      }
      #output {
        font-family: monospace;
        white-space: pre-wrap;
      }
    </style>
  </head>
  <body>
    <iframe
      id="ninja"
      src="http://localhost:8081/"
      width="100%"
      height="600px"
      style="width: 100%; height: 600px; max-height: 100vh"
      frameborder="0"
    ></iframe>
    <!-- Add 'allowfullscreen' above to show fullscreen toggle button -->

    <!-- Input/Output -->
    <div class="row">
      <fieldset>
        <legend>Send Message</legend>
        <form id="sendMessage" method="post">
          <input name="action" placeholder="Action" />
          <textarea name="value" placeholder="Value"></textarea>
          <div class="row">
            <input type="reset" value="Clear" />
            <input type="submit" value="Send" />
          </div>
        </form>
      </fieldset>

      <fieldset>
        <legend>Received Messages</legend>
        <input
          id="clearOutput"
          type="button"
          value="Clear"
          onclick="output.value = ''"
        />
        <output id="output"></output>
      </fieldset>
    </div>

    <script type="text/javascript">
      // Set up message receiver
      const ninja = document.getElementById("ninja").contentWindow;
      let ptnNinjaHasLoaded = false;
      window.addEventListener(
        "message",
        (event) => {
          // Filter out messages from browser extensions etc.
          if (event.source !== ninja) {
            return;
          }

          // Wait for PTN Ninja to finish loading
          if (!ptnNinjaHasLoaded) {
            if (event.data.action === "GAME_STATE") {
              ptnNinjaHasLoaded = true;
            } else {
              // Ignore other messages until fully loaded
              return;
            }
          }

          // Handle actions
          switch (event.data.action) {
            // case "ACTION":
            //  do something
            //  break;
            default:
              document.getElementById("output").value +=
                JSON.stringify(event.data, null, 2) + "\n";
          }
        },
        false
      );

      // Send messages from the textarea
      const form = document.getElementById("sendMessage");
      form.addEventListener(
        "submit",
        (event) => {
          event.preventDefault();
          const data = new FormData(event.target);
          const action = data.get("action");
          const valueString = data.get("value");
          let value;
          try {
            value = JSON.parse(valueString);
          } catch (error) {
            value = valueString;
          }
          try {
            ninja.postMessage({ action, value }, "*");
          } catch (error) {
            console.error(error);
          }
          return false;
        },
        true
      );
    </script>
  </body>
</html>