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zerovue.html
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zerovue.html
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<!DOCTYPE html>
<html>
<head>
<style>
body {
// NOTE: We may need to update this dynamically
// to support imported body styles.
margin: 0;
padding: 0;
}
</style>
<!-- jQuery (https://jquery.com/) -->
<script src="https://cdn.0net.io/libs/jquery/3.3.1/js/jquery.min.js"></script>
<!-- Mutation Summary (https://github.com/rafaelw/mutation-summary) -->
<script src="./libs/mutation-summary.js"></script>
<script>
/* Initialize parent manager. */
let parent = null
/* Initialize origin manager. */
let origin = null
/**
* @notice Initialize the gateway.
*
* @dev We want to set the security to our parent to prevent any
* unauthorized communication with any "malicious" 3rd-parties
* who may be eavesdropping.
*/
const _init = function (_event) {
/* Validate the origin of our parent is ONLY one from an approved list. */
if (_event.origin === 'https://0net.io' || _event.origin === 'https://web.0net.io') {
/* Set security flag. */
// isSecure = true
/* Set the parent manager. */
parent = _event.source
/* Set the origin manager. */
origin = _event.origin
return true
} else {
return false
}
}
/**
* Post a message back to the Parent.
*/
const _postBack = function (_message) {
/* Validate the response. */
if (parent && origin && _message) {
parent.postMessage(_message, origin)
} else {
throw new Error('Oh no! Something smells wrong about this action.')
}
}
window.addEventListener('message', function (_event) {
// console.log('Gatekeeper received event', _event)
/* Initailize body. */
let body = null
/* Initailize data. */
let data = null
/* Initailize error. */
let error = null
/* Initialize message. */
let message = null
/* Initialize msg. */
let msg = null
/* Initialize pkg. */
let pkg = null
/* Initialize success. */
let success = null
/* Verify parent is authorized and set. */
if (!parent) {
/* Attempt to initialize the gateway. */
if (_init(_event)) {
/* Set success flag. */
success = true
/* Set message. */
msg = 'GATEKEEPER_IS_READY'
/* Build message. */
message = { success, msg }
/* Post back to parent. */
return _postBack(message)
} else {
/* Set error flag. */
error = true
/* Set message. */
msg = 'Authorization failed!'
/* Build message. */
message = { error, msg }
/* Post back to parent. */
return _postBack(message)
}
}
/* All messages should be JSON strings, so let's try to decode to an object. */
try {
/* Retrieve the data. */
data = _event.data
/* Validate data. */
if (!data) {
return
}
/* Retrieve html body. */
body = data.body
/* Validate body. */
if (!body) {
/* Set error flag. */
error = true
/* Set message. */
msg = 'There is NO <body> to render.'
/* Build error. */
pkg = { error, msg }
/* Post back to parent. */
// return _postBack(pkg)
return
}
console.log('BODY', body)
// FIXME Find a better (more consistent) element to replace BODY
if (data.prepend) {
/* Prepend the data to the frame's html body. */
$('body').prepend(body)
} else if (data.append) {
/* Append the data to the frame's html body. */
$('body').append(body)
} else {
/* Replace the data on the frame's html body. */
$('body').html(body)
}
/* Scroll to the top. */
try {
// $('html, body').scrollTop(0)
} catch (_err) {
// FIXME Ignore this error for now:
// Cannot read property 'html' of undefined??
}
} catch (_err) {
/* Set error flag. */
error = true
/* Set message. */
msg = _err.message
/* Build error. */
pkg = { error, msg }
/* Post back to parent. */
return _postBack(pkg)
}
})
</script>
</head>
<body></body>
<script>
const _handleMutations = function (_mutations) {
/* Set mutations. */
const mutations = _mutations[0]
mutations['added'].forEach((_newElem) => {
// do setup work on new elements with data-h-tweet
console.log('Element', _newElem)
})
}
var observer = new MutationSummary({
callback: _handleMutations,
queries: [
// { attribute: 'data-h-tweet' }
// { characterData: true }
{ all: true }
]
})
// // Select the node that will be observed for mutations
// const targetNode = document.getElementById('zerovue')
//
// // Options for the observer (which mutations to observe)
// const config = {
// attributes: true,
// childList: true,
// subtree: true
// }
//
// // Callback function to execute when mutations are observed
// const callback = function (mutationsList, observer) {
// console.log('MUTATION LIST', mutationsList)
//
// for (let mutation of mutationsList) {
// if (mutation.type === 'childList') {
// console.log('A child node has been added or removed.')
// }
// else if (mutation.type === 'attributes') {
// console.log('The ' + mutation.attributeName + ' attribute was modified.')
// }
// }
// }
//
// // Create an observer instance linked to the callback function
// const observer = new MutationObserver(callback)
//
// // Start observing the target node for configured mutations
// observer.observe(targetNode, config)
//
// // Later, you can stop observing
// // observer.disconnect()
</script>
</html>