b38dea0597
Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.
88 lines
2.4 KiB
JavaScript
Executable file
88 lines
2.4 KiB
JavaScript
Executable file
'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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