webapprt/WebRTCHandler.jsm
author Gaia Pushbot <release+gaiajson@mozilla.com>
Wed, 16 Oct 2013 00:55:23 -0700
changeset 164813 f51cabada67a543aed49ab4fc1b1ab3ccee9a3b8
parent 164323 562abc4f545e9db5cd855f7f4c5c27053688ad54
child 288816 00baa70421f03f8e8bb8be9276abed3207cb5a1c
permissions -rw-r--r--
Bumping gaia.json for 2 gaia-central revision(s) a=gaia-bump ======== https://hg.mozilla.org/integration/gaia-central/rev/e4a400ba036d Author: Cristian Rodriguez <crdlc@tid.es> Desc: Merge pull request #12811 from gitmai/bug-925355-export-url-fb-vcard Bug 925355 - VCARD not export FB url ======== https://hg.mozilla.org/integration/gaia-central/rev/98e5502931d7 Author: mai <mri@tid.es> Desc: Bug 925355 - VCARD not export FB url

/* 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";

this.EXPORTED_SYMBOLS = [];

let Cc = Components.classes;
let Ci = Components.interfaces;
let Cu = Components.utils;

Cu.import("resource://gre/modules/Services.jsm");
Cu.import("resource://gre/modules/XPCOMUtils.jsm");

function handleRequest(aSubject, aTopic, aData) {
  let { windowID, callID } = aSubject;
  let constraints = aSubject.getConstraints();
  let contentWindow = Services.wm.getOuterWindowWithId(windowID);

  contentWindow.navigator.mozGetUserMediaDevices(
    constraints,
    function (devices) {
      prompt(contentWindow, callID, constraints.audio,
             constraints.video || constraints.picture,
             devices);
    },
    function (error) {
      denyRequest(callID, error);
    });
}

function prompt(aWindow, aCallID, aAudioRequested, aVideoRequested, aDevices) {
  let audioDevices = [];
  let videoDevices = [];
  for (let device of aDevices) {
    device = device.QueryInterface(Ci.nsIMediaDevice);
    switch (device.type) {
      case "audio":
        if (aAudioRequested) {
          audioDevices.push(device);
        }
        break;

      case "video":
        if (aVideoRequested) {
          videoDevices.push(device);
        }
        break;
    }
  }

  if (audioDevices.length == 0 && videoDevices.length == 0) {
    denyRequest(aCallID);
    return;
  }

  let params = {
                 videoDevices: videoDevices,
                 audioDevices: audioDevices,
                 out: null
               };
  aWindow.openDialog("chrome://webapprt/content/getUserMediaDialog.xul", "",
                     "chrome, dialog, modal", params).focus();

  if (!params.out) {
    denyRequest(aCallID);
    return;
  }

  let allowedDevices = Cc["@mozilla.org/supports-array;1"].
                       createInstance(Ci.nsISupportsArray);
  let videoIndex = params.out.video;
  let audioIndex = params.out.audio;

  if (videoIndex != -1) {
    allowedDevices.AppendElement(videoDevices[videoIndex]);
  }

  if (audioIndex != -1) {
    allowedDevices.AppendElement(audioDevices[audioIndex]);
  }

  if (allowedDevices.Count()) {
    Services.obs.notifyObservers(allowedDevices, "getUserMedia:response:allow",
                                 aCallID);
  } else {
    denyRequest(aCallID);
  }
}

function denyRequest(aCallID, aError) {
  let msg = null;
  if (aError) {
    msg = Cc["@mozilla.org/supports-string;1"].
          createInstance(Ci.nsISupportsString);
    msg.data = aError;
  }

  Services.obs.notifyObservers(msg, "getUserMedia:response:deny", aCallID);
}

Services.obs.addObserver(handleRequest, "getUserMedia:request", false);