[Vimperator Plugin]about:memory のようなものを出力する

memory-reports.js

commands.addUserCommand(["memory[reports]"], "show memory reports",
  show,
  {},
  true);

function getMemoryInfo () {
  const MRM = Cc["@mozilla.org/memory-reporter-manager;1"].getService(Ci.nsIMemoryReporterManager);
  var data = [],
      reports = MRM.enumerateReporters();
  while (reports.hasMoreElements()) {
    var {description, path, memoryUsed} = reports.getNext().QueryInterface(Ci.nsIMemoryReporter);
    yield [description, path, memoryUsed];
  }
}

function show () {
  var x =
  <table width="100%">
    <tr highlight="Title">
      <th>Path</th>
      <th>Used</th>
      <th>Description</th>
    </tr>
  </table>
  for (let [desc, path, used] in getMemoryInfo()) {
    x.appendChild(<tr>
      <td>{path}</td>
      <td>{util.formatBytes(used, 1, true)}</td>
      <td>{desc}</td>
    </tr>);
  }
  liberator.echo(<><style type="text/css"><![CDATA[
    table { background-color: white; }
    th,td { border: thin solid gray; }
    td:nth-child(2) { text-align: right; }
    tr:nth-child(odd) { background-color: rgb(240, 248, 255); }
  ]]></style>
  {x}</>, true);
}

// vim: sw=2 ts=2 et: