PBS GA LivePlayer Parent Message

pbsLlsParentMessage.js

const inIframe = () => {
	try {
		return window.self !== window.top;
	} catch (e) {
		return true;
	}
}
window.addEventListener('DOMContentLoaded', (event) => {
	if ( inIframe() ) {
		console.log( 'loading in iframe' );
		let channelTitle = window.livePlayerContextBridge.feed_name;
		let channelId = window.livePlayerContextBridge.feed_cid;
		window.parent.postMessage({'message': 'iframeload', 'payload': {'channelTitle':channelTitle,'channelId':channelId}, 'sender': 'pbslls'},'*');
		let channelSelect = document.querySelectorAll('select.multi-livestream-overlay__channel-select');
		Array.from(channelSelect).forEach( (cs) => {
			cs.addEventListener('change', function() {
				let channelTitle = this.options[this.selectedIndex].text;
				let channelId = this.value;
				window.parent.postMessage({'message': 'channelChange','payload': {'channelTitle':channelTitle,'channelId':channelId}, 'sender': 'pbslls'},'*');
			});
		});
	}
});