dharb/appcues frame

## appcues frame
<!DOCTYPE html>
<html>
<head>
    <script type="text/javascript">
        (function(window) {
            // Allow listeners to subscribe to localStorage events.
            var isObject = function(obj) { return Object.prototype.toString.call(obj) === '[object Object]' },
                listeners = [];

            var postMessage = function(targetWindow, mesg, targetOrigin) {
                targetWindow.postMessage(JSON.stringify(mesg), targetOrigin);
            };

            // Listen for postMessages.
            window.addEventListener('message', function(e) {
                // If someone asks for a hotspotGroup, give it to them.
                // TODO: Figure out how to make this more secure.
                function getData(data) {
                    if (typeof data === 'string') {
                        try {
                            data = JSON.parse(data);
                        }
                        catch (e) {
                            // Got junk in the message, ignore.
                            data = {};
                        }
                    }
                    return data
                }

                var source = e.source,
                    origin = e.origin,
                    data = getData(e.data) || {},
                    action = data.action,
                    key = data.key,
                    value = data.value;

                switch (action) {
                    case 'get':
                        // Look it up in localStorage.
                        // Use getItem to avoid calling properties like `length`.
                        var cache = localStorage.getItem(key);
                        postMessage(source, {
                            action: 'set',
                            key: key,
                            value: (cache ? JSON.parse(cache) : null)
                        }, origin);
                        break;
                    case 'set':
                        if (value) {
                            localStorage.setItem(key, JSON.stringify(value));
                        }
                        break;
                    case 'update':
                        var cache = localStorage.getItem(key);
                        if (!cache) {
                            localStorage.setItem(key, JSON.stringify(value));
                        } else {
                            cache = JSON.parse(cache);
                            // Perform shallow merge if they're both objects.
                            if (isObject(cache) && isObject(value)) {
                                Object.keys(value).forEach(function(k) {
                                    cache[k] = value[k];
                                });
                                localStorage.setItem(key, JSON.stringify(cache));
                            }
                        }
                        break;
                    case 'listen':
                        listeners.push({
                            source: source,
                            origin: origin,
                            options: data
                        });
                        break;
                    //send accountId of currently logged in account
                    case 'checkLogin':
                        var accountId;
                        try {
                            accountId = localStorage.getItem('accountId');
                        }
                        catch (e) {
                            accountId = null;
                        }
                        postMessage(source, {
                            action: 'match',
                            value: accountId
                        }, origin);
                        break;
                }
            });

            // Post a message telling the parent we're ready.
            postMessage(parent, {action: 'ready'}, '*');

            // Listen for localStorage events and notify listeners.
            window.addEventListener('storage', function(e) {
                for (var i=0; i<listeners.length; i++) {
                    var listener = listeners[i];
                    if (listener.options.key === e.key) {
                        postMessage(listener.source, {
                            action: 'set',
                            key: listener.options.key,
                            value: JSON.parse(e.newValue)
                        }, listener.origin);
                    }
                }
            })

        })(window);
    </script>
</head>
</html>
	<!DOCTYPE html>
	<html>
	<head>
	<script type="text/javascript">
	(function(window) {
	// Allow listeners to subscribe to localStorage events.
	var isObject = function(obj) { return Object.prototype.toString.call(obj) === '[object Object]' },
	listeners = [];

	var postMessage = function(targetWindow, mesg, targetOrigin) {
	targetWindow.postMessage(JSON.stringify(mesg), targetOrigin);
	};

	// Listen for postMessages.
	window.addEventListener('message', function(e) {
	// If someone asks for a hotspotGroup, give it to them.
	// TODO: Figure out how to make this more secure.
	function getData(data) {
	if (typeof data === 'string') {
	try {
	data = JSON.parse(data);
	}
	catch (e) {
	// Got junk in the message, ignore.
	data = {};
	}
	}
	return data
	}

	var source = e.source,
	origin = e.origin,
	data = getData(e.data) \|\| {},
	action = data.action,
	key = data.key,
	value = data.value;

	switch (action) {
	case 'get':
	// Look it up in localStorage.
	// Use getItem to avoid calling properties like `length`.
	var cache = localStorage.getItem(key);
	postMessage(source, {
	action: 'set',
	key: key,
	value: (cache ? JSON.parse(cache) : null)
	}, origin);
	break;
	case 'set':
	if (value) {
	localStorage.setItem(key, JSON.stringify(value));
	}
	break;
	case 'update':
	var cache = localStorage.getItem(key);
	if (!cache) {
	localStorage.setItem(key, JSON.stringify(value));
	} else {
	cache = JSON.parse(cache);
	// Perform shallow merge if they're both objects.
	if (isObject(cache) && isObject(value)) {
	Object.keys(value).forEach(function(k) {
	cache[k] = value[k];
	});
	localStorage.setItem(key, JSON.stringify(cache));
	}
	}
	break;
	case 'listen':
	listeners.push({
	source: source,
	origin: origin,
	options: data
	});
	break;
	//send accountId of currently logged in account
	case 'checkLogin':
	var accountId;
	try {
	accountId = localStorage.getItem('accountId');
	}
	catch (e) {
	accountId = null;
	}
	postMessage(source, {
	action: 'match',
	value: accountId
	}, origin);
	break;
	}
	});

	// Post a message telling the parent we're ready.
	postMessage(parent, {action: 'ready'}, '*');

	// Listen for localStorage events and notify listeners.
	window.addEventListener('storage', function(e) {
	for (var i=0; i<listeners.length; i++) {
	var listener = listeners[i];
	if (listener.options.key === e.key) {
	postMessage(listener.source, {
	action: 'set',
	key: listener.options.key,
	value: JSON.parse(e.newValue)
	}, listener.origin);
	}
	}
	})

	})(window);
	</script>
	</head>
	</html>