b38dea0597
Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.
88 lines
2.4 KiB
JavaScript
88 lines
2.4 KiB
JavaScript
'use strict';
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(function(exports) {
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/**
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* Creates an object used for refreshing the charging string UI element.
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* @class LockScreenChargingStatus
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*/
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function LockScreenChargingStatus() {
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this.elements = {
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charging: document.getElementById('lockscreen-charging')
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};
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// Create a text node so we can access its data later for updating the status.
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if (!this.elements.charging.firstChild) {
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this.elements.charging.appendChild(document.createTextNode(''));
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}
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}
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LockScreenChargingStatus.listenEvents = [
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'chargingchange',
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'levelchange',
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'chargingtimechange'
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];
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LockScreenChargingStatus.prototype.start = function cs_start() {
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this.refresh();
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LockScreenChargingStatus.listenEvents.forEach(
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ename => navigator.battery.addEventListener(ename, this));
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};
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LockScreenChargingStatus.prototype.stop = function cs_stop() {
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LockScreenChargingStatus.listenEvents.forEach(
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ename => navigator.battery.removeEventListener(ename, this));
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};
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LockScreenChargingStatus.prototype.handleEvent = function cs_handleEvent(evt) {
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this.refresh();
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};
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LockScreenChargingStatus.prototype.refresh = function cs_refresh() {
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if (!navigator.battery.charging) {
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if (!this.elements.charging.hasAttribute('hidden')) {
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this.elements.charging.setAttribute('hidden', '');
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}
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return;
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}
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var l10nAttrs = {
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id: null,
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args: {
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level: parseInt(navigator.battery.level * 100)
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}
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};
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var chargingTime = navigator.battery.chargingTime;
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if (chargingTime === Infinity ||
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chargingTime < 60) { // less than a minute remaining
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l10nAttrs.id = 'charging-no-time';
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} else {
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var timeLeft = new Date(0, 0, 0, 0, 0, chargingTime);
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l10nAttrs.args.hours = timeLeft.getHours();
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l10nAttrs.args.minutes = timeLeft.getMinutes();
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if (l10nAttrs.args.hours > 0) {
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l10nAttrs.id = 'charging-hours';
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} else {
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l10nAttrs.id = 'charging-minutes';
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}
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}
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// Update data here since changing textContent will replace the text node and
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// could cause flickering while transitioning docshell.isActive to true.
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navigator.mozL10n.formatValue(l10nAttrs.id, l10nAttrs.args).then((value) => {
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this.elements.charging.firstChild.data = value;
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});
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if (this.elements.charging.hasAttribute('hidden')) {
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this.elements.charging.removeAttribute('hidden');
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}
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};
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/** @exports LockScreenChargingStatus */
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exports.LockScreenChargingStatus = LockScreenChargingStatus;
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})(window);
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