palemoon-dev/platform/devtools/shared/gcli/commands/media.js

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

"use strict";

const {Ci} = require("chrome");
const l10n = require("gcli/l10n");

function getContentViewer(context) {
  let {window} = context.environment;
  return window.QueryInterface(Ci.nsIInterfaceRequestor)
               .getInterface(Ci.nsIDocShell)
               .contentViewer;
}

exports.items = [
  {
    name: "media",
    description: l10n.lookup("mediaDesc")
  },
  {
    item: "command",
    runAt: "server",
    name: "media emulate",
    description: l10n.lookup("mediaEmulateDesc"),
    manual: l10n.lookup("mediaEmulateManual"),
    params: [
      {
        name: "type",
        description: l10n.lookup("mediaEmulateType"),
        type: {
          name: "selection",
          data: [
            "braille", "embossed", "handheld", "print", "projection",
            "screen", "speech", "tty", "tv"
          ]
        }
      }
    ],
    exec: function(args, context) {
      let contentViewer = getContentViewer(context);
      contentViewer.emulateMedium(args.type);
    }
  },
  {
    item: "command",
    runAt: "server",
    name: "media reset",
    description: l10n.lookup("mediaResetDesc"),
    exec: function(args, context) {
      let contentViewer = getContentViewer(context);
      contentViewer.stopEmulatingMedium();
    }
  }
];