pjs/calendar/base/public/calIDateTime.idl

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/* -*- Mode: idl; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Oracle Corporation code.
*
* The Initial Developer of the Original Code is
* Oracle Corporation
* Portions created by the Initial Developer are Copyright (C) 2004
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Vladimir Vukicevic <vladimir.vukicevic@oracle.com>
* Dan Mosedale <dan.mosedale@oracle.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsISupports.idl"
interface calIDuration;
[ptr] native icaltimetypeptr(struct icaltimetype);
[scriptable, uuid(5678d4a3-2543-4ece-afbb-079292f2866e)]
interface calIDateTime : nsISupports
{
/**
* isMutable is true if this instance is modifiable.
* If isMutable is false, any attempts to modify
* the object will throw CAL_ERROR_ITEM_IS_MUTABLE.
*/
readonly attribute boolean isMutable;
/**
* Make this calIDateTime instance immutable.
*/
void makeImmutable();
/**
* Clone this calIDateTime instance into a new
* mutable object.
*/
calIDateTime clone();
/**
* valid is true if this object contains a valid
* time/date.
*/
// true if this thing is set/valid
readonly attribute boolean isValid;
/**
* nativeTime contains this instance's PRTime value relative
* to the UTC epoch, regardless of the timezone that's set
* on this instance. If nativeTime is set, the given UTC PRTime
* value is exploded into year/month/etc, taking into account
* the timezone setting.
*
* @warning: When the timezone is set to 'floating', this will return
* the nativeTime as-if the timezone was UTC. Take this into account
* when comparing values.
*
* @note on objects that are pinned to a timezone and have isDate set,
* nativeTime will be 00:00:00 in the timezone of that date, not 00:00:00 in
* UTC.
*/
attribute PRTime nativeTime;
/**
* Full 4-digit year value (e.g. "1989", "2004")
*/
attribute short year;
/**
* Month, 0-11, 0 = January
*/
attribute short month;
/**
* Day of month, 1-[28,29,31]
*/
attribute short day;
/**
* Hour, 0-23
*/
attribute short hour;
/**
* Minute, 0-59
*/
attribute short minute;
/**
* Second, 0-59
*/
attribute short second;
/**
* Gets or sets the timezone of this calIDateTime instance.
* Setting the timezone does not change the actual date/time components;
* to convert between timezones, use getInTimezone().
*
* Valid values are:
*
* - "UTC" (or "utc", "UTC" preferred)
* - the object refers to a time in UTC.
* - a TZID string, understood by the ICS Service
* - the object refers to a time in that tz
* - "floating"
* - the object is in floating time and does not have an
* associated timezone.
*
* @throws NS_ERROR_INVALID_ARG if an invalid timezone is passed in.
*/
attribute AUTF8String timezone;
/**
* The offset of the timezone this datetime is in, relative to UTC, in
* seconds. A positive number means that the timezone is ahead of UTC.
*/
readonly attribute long timezoneOffset;
/**
* isDate indicates that this calIDateTime instance represents a date
* (a whole day), and not a specific time on that day. If isDate is set,
* accessing the hour/minute/second fields will return 0, and and setting
* them is an illegal operation.
*/
attribute PRBool isDate;
/*
* computed values
*/
/**
* Day of the week. 0-6, with Sunday = 0.
*/
readonly attribute short weekday;
/**
* Day of the year, 0-365/366.
*/
readonly attribute short yearday;
/*
* Methods
*/
/**
* Reset this instance to an invalid state.
*/
void reset();
/**
* Return a string representation of this instance.
*/
AUTF8String toString();
// normalize and validate the expanded-out values
// XXX going away soon
void normalize();
/**
* Set the value of this calIDateTime instance
* to aTime milliseconds since the epoch in the
* given timezone. Valid values for the aTimezone
* are either a known TZID or "UTC"; null/empty string
* is not valid.
*/
void setTimeInTimezone (in PRTime aTime, in AUTF8String aTimezone);
/**
* Return a new calIDateTime instance that's the result of
* converting this one into the given timezone. Valid values
* for aTimezone are the same as the timezone field. If
* the "floating" timezone is given, then this object
* is just cloned, and the timezone is set to floating.
*/
calIDateTime getInTimezone (in AUTF8String aTimezone);
// add the given calIDateTime, treating it as a duration, to
// this item.
// XXX will change
void addDuration (in calIDuration aDuration);
// Subtract two dates and return a duration
// returns duration of this - aOtherDate
// if aOtherDate is > this the duration will be negative
calIDuration subtractDate (in calIDateTime aOtherDate);
/**
* Compare this calIDateTime instance to aOther. Returns -1, 0, 1 to
* indicate if this < aOther, this == aOther, or this > aOther,
* respectively.
*
* This comparison is timezone-aware; the given values are converted
* to a common timezone before comparing. If either this or aOther is
* floating, both objects are treated as floating for the comparison.
*
* If either this or aOther has isDate set, then only the date portion is
* compared.
*
* @exception calIErrors.INVALID_TIMEZONE bad timezone on this object
* (not the argument object)
*/
long compare (in calIDateTime aOther);
//
// Some helper getters for calculating useful ranges
//
// the start/end of the current object's week
readonly attribute calIDateTime startOfWeek;
readonly attribute calIDateTime endOfWeek;
// the start/end of the current object's month
readonly attribute calIDateTime startOfMonth;
readonly attribute calIDateTime endOfMonth;
// the start/end of the current object's year
readonly attribute calIDateTime startOfYear;
readonly attribute calIDateTime endOfYear;
[noscript,notxpcom] void toIcalTime(in icaltimetypeptr itt);
/**
* This object as either an iCalendar DATE or DATETIME string, as
* appropriate.
*/
attribute ACString icalString;
/* JS only:
* // Setting jsDate via a JavaScript Date object will set
* // the calIDateTime to the jsDate's time ***in UTC***.
* // There's no way for us to recover TZ info from a jsDate,
* // so we always pull it out as UTC, and force the calIDateTime's
* // timezone to UTC.
* attribute Date jsDate;
*
*/
};