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// Any copyright is dedicated to the Public Domain.
// http://creativecommons.org/publicdomain/zero/1.0/
//
// Worker-side wrapper script for the worker_driver.js helper code.  See
// the comments at the top of worker_driver.js for more information.

function ok(a, msg) {
  dump("OK: " + !!a + "  =>  " + a + ": " + msg + "\n");
  postMessage({ type: "status", status: !!a, msg: a + ": " + msg });
}

function is(a, b, msg) {
  dump("IS: " + (a === b) + "  =>  " + a + " | " + b + ": " + msg + "\n");
  postMessage({
    type: "status",
    status: a === b,
    msg: a + " === " + b + ": " + msg,
  });
}

function workerTestArrayEquals(a, b) {
  if (!Array.isArray(a) || !Array.isArray(b) || a.length != b.length) {
    return false;
  }
  for (var i = 0, n = a.length; i < n; ++i) {
    if (a[i] !== b[i]) {
      return false;
    }
  }
  return true;
}

function workerTestDone() {
  postMessage({ type: "finish" });
}

function workerTestGetPermissions(permissions, cb) {
  addEventListener("message", function workerTestGetPermissionsCB(e) {
    if (
      e.data.type != "returnPermissions" ||
      !workerTestArrayEquals(permissions, e.data.permissions)
    ) {
      return;
    }
    removeEventListener("message", workerTestGetPermissionsCB);
    cb(e.data.result);
  });
  postMessage({
    type: "getPermissions",
    permissions,
  });
}

function workerTestGetHelperData(cb) {
  addEventListener("message", function workerTestGetHelperDataCB(e) {
    if (e.data.type !== "returnHelperData") {
      return;
    }
    removeEventListener("message", workerTestGetHelperDataCB);
    cb(e.data.result);
  });
  postMessage({
    type: "getHelperData",
  });
}

addEventListener("message", function workerWrapperOnMessage(e) {
  removeEventListener("message", workerWrapperOnMessage);
  var data = e.data;
  try {
    importScripts(data.script);
  } catch (ex) {
    postMessage({
      type: "status",
      status: false,
      msg: "worker failed to import " + data.script + "; error: " + ex.message,
    });
  }
});