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<!DOCTYPE HTML>
<html>
<head>
  <script type="application/javascript" src="pc.js"></script>
  <script type="application/javascript" src="/tests/dom/canvas/test/captureStream_common.js"></script>
</head>
<body>
<pre id="test">
<script type="application/javascript;version=1.8">
createHTML({
  bug: "1219711",
  title: "Disabling locally should be reflected remotely"
});

runNetworkTest(() => {
  var test = new PeerConnectionTest();

  // Always use fake tracks since we depend on video to be somewhat green and
  // audio to have a large 1000Hz component (or 440Hz if using fake devices).
  test.setMediaConstraints([{audio: true, video: true, fake: true}], []);
  test.chain.append([
    function CHECK_ASSUMPTIONS() {
      is(test.pcLocal.localMediaElements.length, 2,
         "pcLocal should have one media element");
      is(test.pcRemote.remoteMediaElements.length, 2,
         "pcRemote should have one media element");
      is(test.pcLocal._pc.getLocalStreams().length, 1,
         "pcLocal should have one stream");
      is(test.pcRemote._pc.getRemoteStreams().length, 1,
         "pcRemote should have one stream");
    },
    function CHECK_VIDEO() {
      var h = new CaptureStreamTestHelper2D();
      var localVideo = test.pcLocal.localMediaElements
        .find(e => e instanceof HTMLVideoElement);
      var remoteVideo = test.pcRemote.remoteMediaElements
        .find(e => e instanceof HTMLVideoElement);
      // We check a pixel somewhere away from the top left corner since
      // MediaEngineDefault puts semi-transparent time indicators there.
      const offsetX = 50;
      const offsetY = 50;
      const threshold = 128;

      // We're regarding black as disabled here, and we're setting the alpha
      // channel of the pixel to 255 to disregard alpha when testing.
      var checkVideoEnabled = video =>
        h.waitForPixel(video, offsetX, offsetY,
                       px => (px[3] = 255, h.isPixelNot(px, h.black, threshold)));
      var checkVideoDisabled = video =>
        h.waitForPixel(video, offsetX, offsetY,
                       px => (px[3] = 255, h.isPixel(px, h.black, threshold, offsetX*2, offsetY*2)));
      return Promise.resolve()
        .then(() => info("Checking local video enabled"))
        .then(() => checkVideoEnabled(localVideo))
        .then(() => info("Checking remote video enabled"))
        .then(() => checkVideoEnabled(remoteVideo))

        .then(() => info("Disabling original"))
        .then(() => test.pcLocal._pc.getLocalStreams()[0].getVideoTracks()[0].enabled = false)

        .then(() => info("Checking local video disabled"))
        .then(() => checkVideoDisabled(localVideo))
        .then(() => info("Checking remote video disabled"))
        .then(() => checkVideoDisabled(remoteVideo))
    },
    function CHECK_AUDIO() {
      var ac = new AudioContext();
      var localAnalyser = new AudioStreamAnalyser(ac, test.pcLocal._pc.getLocalStreams()[0]);
      var remoteAnalyser = new AudioStreamAnalyser(ac, test.pcRemote._pc.getRemoteStreams()[0]);

      var checkAudio = (analyser, fun) => analyser.waitForAnalysisSuccess(fun);

      var freq1k = localAnalyser.binIndexForFrequency(1000);
      var checkAudioEnabled = analyser =>
        checkAudio(analyser, array => array[freq1k] > 200);
      var checkAudioDisabled = analyser =>
        checkAudio(analyser, array => array[freq1k] < 50);

      return Promise.resolve()
        .then(() => info("Checking local audio enabled"))
        .then(() => checkAudioEnabled(localAnalyser))
        .then(() => info("Checking remote audio enabled"))
        .then(() => checkAudioEnabled(remoteAnalyser))

        .then(() => test.pcLocal._pc.getLocalStreams()[0].getAudioTracks()[0].enabled = false)

        .then(() => info("Checking local audio disabled"))
        .then(() => checkAudioDisabled(localAnalyser))
        .then(() => info("Checking remote audio disabled"))
        .then(() => checkAudioDisabled(remoteAnalyser))
    }
  ]);
  test.run();
});
</script>
</pre>
</body>
</html>