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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
/* global addMenuItem */ // From ../calendar-ui-utils.js
window.addEventListener("load", onLoad);
/**
* Sets up the timezone dialog from the window arguments, also setting up all
* dialog controls from the window's dates.
*/
function onLoad() {
const args = window.arguments[0];
window.time = args.time;
window.onAcceptCallback = args.onOk;
let menulist = document.getElementById("timezone-menulist");
const tzMenuPopup = document.getElementById("timezone-menupopup");
// floating and UTC (if supported) at the top:
if (args.calendar.getProperty("capabilities.timezones.floating.supported") !== false) {
addMenuItem(tzMenuPopup, cal.dtz.floating.displayName, cal.dtz.floating.tzid);
}
if (args.calendar.getProperty("capabilities.timezones.UTC.supported") !== false) {
addMenuItem(tzMenuPopup, cal.dtz.UTC.displayName, cal.dtz.UTC.tzid);
}
const tzids = {};
const displayNames = [];
for (const timezoneId of cal.timezoneService.timezoneIds) {
const timezone = cal.timezoneService.getTimezone(timezoneId);
if (timezone && !timezone.isFloating && !timezone.isUTC) {
const displayName = timezone.displayName;
displayNames.push(displayName);
tzids[displayName] = timezone.tzid;
}
}
// the display names need to be sorted
displayNames.sort((a, b) => a.localeCompare(b));
for (let i = 0; i < displayNames.length; ++i) {
const displayName = displayNames[i];
addMenuItem(tzMenuPopup, displayName, tzids[displayName]);
}
let index = findTimezone(window.time.timezone);
if (index < 0) {
index = findTimezone(cal.dtz.defaultTimezone);
if (index < 0) {
index = 0;
}
}
menulist = document.getElementById("timezone-menulist");
menulist.selectedIndex = index;
updateTimezone();
opener.setCursor("auto");
}
/**
* Find the index of the timezone menuitem corresponding to the given timezone.
*
* @param timezone The calITimezone to look for.
* @returns The index of the childnode below "timezone-menulist"
*/
function findTimezone(timezone) {
const tzid = timezone.tzid;
const menulist = document.getElementById("timezone-menulist");
const numChilds = menulist.children[0].children.length;
for (let i = 0; i < numChilds; i++) {
const menuitem = menulist.children[0].children[i];
if (menuitem.getAttribute("value") == tzid) {
return i;
}
}
return -1;
}
/**
* Handler function to call when the timezone selection has changed. Updates the
* timezone-time field and the timezone-stack.
*/
function updateTimezone() {
const menulist = document.getElementById("timezone-menulist");
const menuitem = menulist.selectedItem;
const timezone = cal.timezoneService.getTimezone(menuitem.getAttribute("value"));
// convert the date/time to the currently selected timezone
// and display the result in the appropriate control.
// before feeding the date/time value into the control we need
// to set the timezone to 'floating' in order to avoid the
// automatic conversion back into the OS timezone.
const datetime = document.getElementById("timezone-time");
const time = window.time.getInTimezone(timezone);
time.timezone = cal.dtz.floating;
datetime.value = cal.dtz.dateTimeToJsDate(time);
// don't highlight any timezone in the map by default
let standardTZOffset = "none";
if (timezone.isUTC) {
standardTZOffset = "+0000";
} else if (!timezone.isFloating) {
const standard = timezone.icalComponent.getFirstSubcomponent("STANDARD");
// any reason why valueAsIcalString is used instead of plain value? xxx todo: ask mickey
standardTZOffset = standard.getFirstProperty("TZOFFSETTO").valueAsIcalString;
}
const image = document.getElementById("highlighter");
image.setAttribute("tzid", standardTZOffset);
}
/**
* Handler function to be called when the accept button is pressed.
*/
document.addEventListener("dialogaccept", () => {
const menulist = document.getElementById("timezone-menulist");
const menuitem = menulist.selectedItem;
const timezoneString = menuitem.getAttribute("value");
const timezone = cal.timezoneService.getTimezone(timezoneString);
const datetime = window.time.getInTimezone(timezone);
window.onAcceptCallback(datetime);
});