iov2-demo/cashbomb.html at master · szager-chromium/iov2-demo · GitHub

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<!DOCTYPE html>
<head>
  <meta http-equiv="origin-trial" content="MAGIC_TOKEN">
</head>
<style>
html, body {
  height: 100%;
  margin: 0;
}
.screen {
  border-radius: 30px;
  border: 2px outset gray;
  min-width: 296px;
  min-height: 146px;
  height: calc(100% - 4px);
}
#first-screen {
  text-align: center;
  background-image: url(img/cashbomb.png);
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
}
#second-screen {
}
#second-container {
  margin: 10px;
  font-size: 24px;
}
#amount, #requester {
  color: red;
}
#accept-screen {
  color: green;
  font-size: 24px;
}
#reject-screen {
  color: red;
  font-size: 24px;
}
#accept-screen > div, #reject-screen > div {
  margin: 10px;
  text-align: center;
}
#second-button-container {
  margin-top: 10px;
  display: flex;
  flex-direction: row;
}
#yes-button {
  text-align: center;
  corner-radius: 10px;
  margin: 0 5px;
  background-color: green;
}
#no-button {
  text-align: center;
  corner-radius: 10px;
  margin: 0 5px;
  background-color: red;
}

</style>
<div class=screen id=first-screen></div>

<div class=screen id=second-screen style='display:none'>
  <div id=second-container>
    Drop a cash bomb for <span id=amount></span> on <span id=requester></span>?
    <div id=second-button-container>
      <div id=yes-button>Bombs Away!</div>
      <div id=no-button>Abort Mission!</div>
    </div>
  </div>
</div>

<div class=screen id=accept-screen style='display:none'>
  <div>Bomb dropped!</div>
</div>

<div class=screen id=reject-screen style='display:none'>
  <div>Mission aborted!</div>
</div>

<script>
// Toggle this value to enable/disable IOv2
var visibilityCheckingEnabled = true;

var requesterWindow;
var requesterName = "";
var requestedDollars = 0;

var visibleSince = -1;
var minimumVisibleTime = 1000;

function hasBeenVisibleLongEnoughToAcceptClick() {
  return (visibleSince != -1 && performance.now() - visibleSince > minimumVisibleTime)
}

function handleMessage(event) {
  requesterWindow = event.source;
  requesterName = event.data['requester'];
  requestedDollars = event.data['requestedDollars'];
}

function handleMoneyRequest(event) {
  if (visibilityCheckingEnabled && !hasBeenVisibleLongEnoughToAcceptClick()) {
    rejectMoneyRequest();
    return;
  }
  if (requestedDollars == 0)
    return;
  document.getElementById('first-screen').style.display = 'none';
  document.getElementById('second-screen').style.display = '';
  document.getElementById('amount').textContent = '$' + String(requestedDollars);
  document.getElementById('requester').textContent = requesterName;
}

function acceptMoneyRequest() {
  if (visibilityCheckingEnabled && !hasBeenVisibleLongEnoughToAcceptClick()) {
    rejectMoneyRequest();
    return;
  }
  document.getElementById('first-screen').style.display = 'none';
  document.getElementById('second-screen').style.display = 'none';
  document.getElementById('reject-screen').style.display = 'none';
  document.getElementById('accept-screen').style.display = '';
  requesterWindow.postMessage({
    status: 'accept',
    dollars: requestedDollars
  }, '*');
}

function rejectMoneyRequest() {
  document.getElementById('first-screen').style.display = 'none';
  document.getElementById('second-screen').style.display = 'none';
  document.getElementById('accept-screen').style.display = 'none';
  document.getElementById('reject-screen').style.display = '';
  requesterWindow.postMessage({
    status: 'reject',
    dollars: requestedDollars
  }, '*');
}

(function() {
  document.getElementById('first-screen').addEventListener('click', handleMoneyRequest);
  document.getElementById('yes-button').addEventListener('click', acceptMoneyRequest);
  document.getElementById('no-button').addEventListener('click', rejectMoneyRequest);
  window.addEventListener('message', handleMessage);

  function handleObservation(entries) {
    for (let i = 0; i < entries.length; i++) {
      if (entries[i].isVisible) {
        visibleSince = entries[i].time;
      } else {
        visibleSince = -1;
      }
    }
  }

  let observer = new IntersectionObserver(handleObservation, {
    trackVisibility: true,
    threshold: [1]
  });
  observer.observe(document.body);
})();
</script>