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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
// Storage flags. These are used in the Database |flags| column to give
// information about the item's features. For example, if the item has
// attachments, the HAS_ATTACHMENTS flag is added to the flags column.
export var CAL_ITEM_FLAG = {
PRIVATE: 1,
HAS_ATTENDEES: 2,
HAS_PROPERTIES: 4,
EVENT_ALLDAY: 8,
HAS_RECURRENCE: 16,
HAS_EXCEPTIONS: 32,
HAS_ATTACHMENTS: 64,
HAS_RELATIONS: 128,
HAS_ALARMS: 256,
RECURRENCE_ID_ALLDAY: 512,
};
// The cache of foreign timezones
var gForeignTimezonesCache = {};
/**
* Transforms the text representation of this date object to a calIDateTime
* object.
*
* @param text The text to transform.
* @returns The resulting calIDateTime.
*/
export function textToDate(text) {
let textval;
let timezone = "UTC";
if (text[0] == "Z") {
const strs = text.substr(2).split(":");
textval = parseInt(strs[0], 10);
timezone = strs[1].replace(/%:/g, ":").replace(/%%/g, "%");
} else {
textval = parseInt(text.substr(2), 10);
}
let date;
if (text[0] == "U" || text[0] == "Z") {
date = newDateTime(textval, timezone);
} else if (text[0] == "L") {
// is local time
date = newDateTime(textval, "floating");
}
if (text[1] == "D") {
date.isDate = true;
}
return date;
}
/**
* Gets the timezone for the given definition or identifier
*
* @param aTimezone The timezone data
* @returns The calITimezone object
*/
export function getTimezone(aTimezone) {
let timezone = null;
if (aTimezone.startsWith("BEGIN:VTIMEZONE")) {
timezone = gForeignTimezonesCache[aTimezone]; // using full definition as key
if (!timezone) {
timezone = new CalTimezone(
ICAL.Timezone.fromData({
component: aTimezone,
})
);
gForeignTimezonesCache[aTimezone] = timezone;
}
} else {
timezone = cal.timezoneService.getTimezone(aTimezone);
}
return timezone;
}
/**
* Creates a new calIDateTime from the given native time and optionally
* the passed timezone. The timezone can either be the TZID of the timezone (in
* this case the timezone service will be asked for the definition), or a string
* representation of the timezone component (i.e a VTIMEZONE component).
*
* @param aNativeTime The native time, in microseconds
* @param aTimezone The timezone identifier or definition.
*/
export function newDateTime(aNativeTime, aTimezone) {
let date = cal.createDateTime();
// Bug 751821 - Dates before 1970 were incorrectly stored with an unsigned nativeTime value, we need to
// convert back to a negative value
if (aNativeTime > 9223372036854776000) {
cal.WARN("[calStorageCalendar] Converting invalid native time value: " + aNativeTime);
aNativeTime = -9223372036854776000 + (aNativeTime - 9223372036854776000);
// Round to nearest second to fix microsecond rounding errors
aNativeTime = Math.round(aNativeTime / 1000000) * 1000000;
}
date.nativeTime = aNativeTime;
if (aTimezone) {
const timezone = getTimezone(aTimezone);
if (timezone) {
date = date.getInTimezone(timezone);
} else {
cal.ASSERT(false, "Timezone not available: " + aTimezone);
}
} else {
date.timezone = cal.dtz.floating;
}
return date;
}