mirror of https://github.com/espruino/BangleApps
104 lines
3.6 KiB
JavaScript
104 lines
3.6 KiB
JavaScript
(() => {
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require("Font5x9Numeric7Seg").add(Graphics);
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const config = Object.assign({
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maxhours: 24,
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drawBell: false,
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showSeconds: 0, // 0=never, 1=only when display is unlocked, 2=for less than a minute
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}, require("Storage").readJSON("widalarmeta.json",1) || {});
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function getNextAlarm(date) {
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const alarms = (require("Storage").readJSON("sched.json",1) || []).filter(alarm => alarm.on && alarm.hidden !== true);
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WIDGETS["widalarmeta"].numActiveAlarms = alarms.length;
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if (alarms.length > 0) {
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const times = alarms.map(alarm => require("sched").getTimeToAlarm(alarm, date) || Number.POSITIVE_INFINITY);
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const eta = Math.min.apply(null, times);
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if (eta !== Number.POSITIVE_INFINITY) {
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const idx = times.indexOf(eta);
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const alarm = alarms[idx];
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delete alarm.msg; delete alarm.id; delete alarm.data; // free some memory
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return alarm;
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}
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}
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} // getNextAlarm
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function draw(fromInterval) {
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if (this.nextAlarm === undefined) {
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let alarm = getNextAlarm();
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if (alarm === undefined) {
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// try again with next hour
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const nextHour = new Date();
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nextHour.setHours(nextHour.getHours()+1);
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alarm = getNextAlarm(nextHour);
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}
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if (alarm !== undefined) {
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this.nextAlarm = alarm;
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}
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}
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const next = this.nextAlarm !== undefined ? require("sched").getTimeToAlarm(this.nextAlarm) : 0;
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let calcWidth = 0;
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let drawSeconds = false;
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if (next > 0 && next <= config.maxhours*60*60*1000) {
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const hours = Math.floor((next-1) / 3600000).toString();
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const minutes = Math.floor(((next-1) % 3600000) / 60000).toString();
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const seconds = Math.floor(((next-1) % 60000) / 1000).toString();
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drawSeconds = (config.showSeconds & 0b01 && !Bangle.isLocked()) || (config.showSeconds & 0b10 && next <= 1000*60);
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g.reset(); // reset the graphics context to defaults (color/font/etc)
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g.setFontAlign(0,0); // center fonts
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g.clearRect(this.x, this.y, this.x+this.width-1, this.y+23);
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var text = hours.padStart(2, '0') + ":" + minutes.padStart(2, '0');
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if (drawSeconds) {
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text += ":" + seconds.padStart(2, '0');
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}
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g.setFont("5x9Numeric7Seg:1x2");
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g.drawString(text, this.x+this.width/2, this.y+12);
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calcWidth = 5*5+2;
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if (drawSeconds) {
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calcWidth += 3*5;
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}
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this.bellVisible = false;
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} else if (config.drawBell && this.numActiveAlarms > 0) {
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calcWidth = 24;
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// next alarm too far in future, draw only widalarm bell
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if (this.bellVisible !== true || fromInterval !== true) {
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g.reset().drawImage(atob("GBgBAAAAAAAAABgADhhwDDwwGP8YGf+YMf+MM//MM//MA//AA//AA//AA//AA//AA//AB//gD//wD//wAAAAADwAABgAAAAAAAAA"),this.x,this.y);
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this.bellVisible = true;
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}
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}
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if (this.width !== calcWidth) {
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// width changed, re-layout
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this.width = calcWidth;
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Bangle.drawWidgets();
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}
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// redraw next hour when no alarm else full minute or second
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const period = next === 0 ? 3600000 : (drawSeconds ? 1000 : 60000);
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let timeout = next > 0 ? next % period : period - (Date.now() % period);
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if (timeout === 0) {
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timeout += period;
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}
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if (this.timeoutId !== undefined) {
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clearTimeout(this.timeoutId);
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}
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this.timeoutId = setTimeout(()=>{
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WIDGETS["widalarmeta"].timeoutId = undefined;
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WIDGETS["widalarmeta"].draw(true);
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}, timeout);
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} /* draw */
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if (config.maxhours > 0) {
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// add your widget
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WIDGETS["widalarmeta"]={
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area:"tl",
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width: 0, // hide by default = assume no timer
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draw:draw
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};
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}
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})();
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