sub_capture_main.html | Explore in Territory

<html>
  <head>
    <!-- The test scans for which source to share according to the title. -->
    <title>Region/Element Capture Test - Page 1 (Main)</title>
    <link rel="icon" href="data:," />
    <script src="sub_capture_helpers.js"></script>
    <script>
      "use strict";

      setRole("top-level");

      async function startCaptureFromEmbeddedFrame() {
        const waiter = waitForMessage("start-capture-complete");
        document
          .getElementById("embedded_frame")
          .contentWindow.postMessage({messageType: "start-capture"}, "*");
        const message = await waiter;
        return message.result;
      }

      async function applySubCaptureByIndex(targetIndex, targetType,
                                            targetFrame, targetTrack) {
        return applySubCapture(getSubCaptureTarget(targetIndex), targetType,
                                                   targetFrame, targetTrack);
      }

      // Clones |track| into |trackClone|.
      function clone() {
        if (!track || !!trackClone) {
          return "clone-track-failure";
        }
        trackClone = track.clone();
        return "clone-track-success";
      }

      function deallocate(targetTrack) {
        if (targetTrack == "original") {
          track = undefined;
          gc();
          return "deallocate-success";
        } else if (targetTrack == "clone") {
          trackClone = undefined;
          gc();
          return "deallocate-success";
        } else {
          return "deallocate-failure";
        }
      }

      function hideElement(elementId) {
        const element = document.getElementById(elementId);
        if (!element) {
          return "hide-element-failure";
        }
        element.hidden = true;
        return "hide-element-success";
      }
    </script>
  </head>
  <body onload="onLoad();">
    <div id="div">
      <!-- This DIV is just a convenient target. -->
      <p id="p_id">0</p>
    </div>
    <br />
    <iframe id="embedded_frame" allow="display-capture *"></iframe>
    <iframe id="mailman_frame" hidden></iframe>
    <script>
      function onLoad() {
        animate(document.getElementById('p_id'));
      }
    </script>
  </body>
</html>
chromium/chrome/test/data/webrtc/sub_capture_main.html
