Break blink, end of day handling

easycal/easycal.css

@@ -14,6 +14,25 @@ body {
 	font-family: 'Roboto', sans-serif;
 }
 
+.blinkSlow {
+	animation: blink 1.0s infinite;
+}
+
+.blinkFast {
+	animation: blink 0.5s infinite;
+}
+
+@keyframes blink {
+	0% { filter: none; }
+	49% { filter: none; }
+	50% { filter: invert(); }
+	100% { filter: invert(); }
+}
+
+#current, #next {
+	visibility: hidden;
+}
+
 #current {
 	flex-grow: 4;
 	flex-shrink: 0;
@@ -53,6 +72,10 @@ body {
 	font-size: 10vmin;
 }
 
+.event, .break {
+	visibility: visible !important;
+}
+
 .event {
 	color: #e28659;
 }

easycal/easycal.js

@@ -2,6 +2,22 @@ function handleClientLoad() {
 	gapi.load('client:auth2', initClient);
 }
 
+function findPrevious(events) {
+	const now = Date.now();
+	let max = null;
+	let maxTime = 0;
+
+	for (const event of events) {
+		const end = new Date(event.end.dateTime).getTime();
+		if (end <= now && (!max || end >= maxTime)) {
+			max = event;
+			maxTime = end;
+		}
+	}
+
+	return max;
+}
+
 function findCurrent(events) {
 	const now = Date.now();
 	for (const event of events) {
@@ -15,6 +31,22 @@ function findCurrent(events) {
 	return null;
 }
 
+function anyRemaining(events) {
+	const current = findCurrent(events);
+	const currentEnd = current ? new Date(current.end.dateTime).getTime() : null;
+
+	const now = Date.now();
+	for (const event of events) {
+		const start = new Date(event.start.dateTime).getTime();
+		const end = new Date(event.end.dateTime).getTime();
+		if (start >= now) {
+			return true;
+		}
+	}
+
+	return false;
+}
+
 function findNext(events) {
 	const current = findCurrent(events);
 	const currentEnd = current ? new Date(current.end.dateTime).getTime() : null;
@@ -31,36 +63,106 @@ function findNext(events) {
 	return null;
 }
 
+function setText(elem, text) {
+	if (elem.innerText != text) {
+		elem.innerText = text;
+	}
+}
+
+function setLeft(elem, end) {
+	const now = Date.now();
+	const left = Math.round((new Date(end).getTime() - now) / 1000);
+	const hours = Math.floor(left / 3600);
+	const minutes = Math.floor((left % 3600) / 60);
+	const seconds = left % 60;
+
+	let text = `${minutes.toString().padStart(2, '0')}m${seconds.toString().padStart(2, '0')}s`;
+
+	if (hours > 0) {
+		text = `${hours.toString()}h${text}`;
+	}
+
+	setText(elem, text);
+
+	if (left < 30) {
+		document.body.classList.remove("blinkSlow");
+		document.body.classList.add("blinkFast");
+	} else if (left < 60) {
+		document.body.classList.remove("blinkFast");
+		document.body.classList.add("blinkSlow");
+	} else {
+		document.body.classList.remove("blinkSlow", "blinkFast");
+	}
+}
+
+function setProgress(elem, start, end) {
+	const elapsed = Date.now() - new Date(start).getTime();
+	const duration = new Date(end).getTime() - new Date(start).getTime();
+	const perc = Math.round(elapsed / duration * 100000) / 1000;
+	elem.style.background = `-webkit-linear-gradient(left, #e28659 ${perc.toString()}%, transparent ${perc.toString()}%)`;
+}
+
+function timezoneOffset() {
+	const offset = new Date().getTimezoneOffset();
+	return `${offset > 0 ? '-' : '+'}${Math.floor(offset / 60).toString().padStart(2, '0')}:${(offset % 60).toString().padStart(2, '0')}`;
+}
+
 function render(events) {
 	const curElem = document.getElementById("current");
 	const curName = document.getElementById("currentName");
 	const curLeft = document.getElementById("currentLeft");
-	curElem.classList.remove("break", "event");
-
-	const current = findCurrent(events);
-	if (current) {
-		curElem.classList.add("event");
-		curName.innerText = current.summary;
-		const elapsed = Date.now() - new Date(current.start.dateTime).getTime();
-		const duration = new Date(current.end.dateTime).getTime() - new Date(current.start.dateTime).getTime();
-		const perc = Math.round(elapsed / duration * 100000) / 1000;
-		curElem.style.background = `-webkit-linear-gradient(left, #e28659 ${perc.toString()}%, transparent ${perc.toString()}%)`;
-	} else {
-		curElem.classList.add("break");
-		curName.innerText = '😎 Break';
-	}
-
 	const nextElem = document.getElementById("next");
 	const nextName = document.getElementById("nextName");
-	nextElem.classList.remove("break", "event");
 
+	const current = findCurrent(events);
+	const prev = findPrevious(events);
 	const next = findNext(events);
-	if (next) {
+
-		nextElem.classList.add("event");
+	if (current) {
-		nextName.innerText = next.summary;
+		// Currently in an event
+		curElem.classList.remove("break");
+		curElem.classList.add("event");
+		setText(curName, current.summary);
+		setProgress(curElem, current.start.dateTime, current.end.dateTime);
+		setText(curLeft, "");
+		document.body.classList.remove("blinkSlow", "blinkFast");
 	} else {
+		// Currently between/before/after events
+		curElem.classList.remove("event");
+		curElem.classList.add("break");
+
+		if (prev && next) {
+			setText(curName, "😎 Break");
+			setProgress(curElem, prev.end.dateTime, next.start.dateTime);
+			setLeft(curLeft, next.start.dateTime);
+		} else if (next) {
+			setText(curName, "😎 Break");
+			curElem.style.background = null;
+			setLeft(curLeft, next.start.dateTime);
+		} else {
+			setText(curName, "✅ Done!");
+			curElem.style.background = null;
+			setText(curLeft, "");
+			document.body.classList.remove("blinkSlow", "blinkFast");
+		}
+	}
+
+	if (next) {
+		nextElem.classList.remove("break");
+		nextElem.classList.add("event");
+		setText(nextName, next.summary);
+	} else if (current) {
+		nextElem.classList.remove("event");
 		nextElem.classList.add("break");
-		nextName.innerText = '😎 Break';
+		if (anyRemaining(events)) {
+			setText(nextName, "😎 Break");
+		} else {
+			setText(nextName, "✅ Done!");
+		}
+	} else {
+		nextElem.classList.remove("break");
+		nextElem.classList.remove("event");
+		setText(nextName, "");
 	}
 }
 
@@ -73,9 +175,12 @@ function initClient() {
 		ux_mode: 'redirect',
 	}).then(() => {
 		if (gapi.auth2.getAuthInstance().isSignedIn.get()) {
+			const tz = timezoneOffset();
+			const date = new Date().toISOString().substring(0,10);
 			return gapi.client.calendar.events.list({
 				'calendarId': 'primary',
-				'timeMin': (new Date()).toISOString(),
+				'timeMin': `${date}T00:00:00${tz}`,
+				'timeMax': `${date}T23:59:59${tz}`,
 				'showDeleted': false,
 				'singleEvents': true,
 				'maxResults': 250,