mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-05 00:25:27 +00:00
269 lines
11 KiB
JavaScript
269 lines
11 KiB
JavaScript
/* -*- Mode: javascript; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
|
|
* ***** 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 Mozilla Calendar code.
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* Michiel van Leeuwen <mvl@exedo.nl>.
|
|
* Portions created by the Initial Developer are Copyright (C) 2005
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*
|
|
* 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 ***** */
|
|
|
|
// Import
|
|
|
|
function calIcsImporter() {
|
|
this.wrappedJSObject = this;
|
|
}
|
|
|
|
calIcsImporter.prototype.QueryInterface =
|
|
function QueryInterface(aIID) {
|
|
if (!aIID.equals(Components.interfaces.nsISupports) &&
|
|
!aIID.equals(Components.interfaces.calIImporter)) {
|
|
throw Components.results.NS_ERROR_NO_INTERFACE;
|
|
}
|
|
|
|
return this;
|
|
};
|
|
|
|
calIcsImporter.prototype.getFileTypes =
|
|
function getFileTypes(aCount) {
|
|
aCount.value = 1;
|
|
var sbs = Components.classes["@mozilla.org/intl/stringbundle;1"]
|
|
.getService(Components.interfaces.nsIStringBundleService);
|
|
var props = sbs.createBundle("chrome://calendar/locale/calendar.properties");
|
|
return([{defaultExtension:'ics',
|
|
extensionFilter:'*.ics',
|
|
description: props.GetStringFromName('icsDesc')}]);
|
|
};
|
|
|
|
calIcsImporter.prototype.importFromStream =
|
|
function ics_importFromStream(aStream, aCount) {
|
|
var items = new Array();
|
|
|
|
// Read in the string. Note that it isn't a real string at this point, because
|
|
// likely, the file is utf8. The multibyte chars show up as multiple 'chars'
|
|
// in this string. So call it an array of octets for now.
|
|
|
|
var octetArray = [];
|
|
var binaryInputStream = Components.classes["@mozilla.org/binaryinputstream;1"]
|
|
.createInstance(Components.interfaces.nsIBinaryInputStream);
|
|
binaryInputStream.setInputStream(aStream);
|
|
octetArray = binaryInputStream.readByteArray(binaryInputStream.available());
|
|
|
|
|
|
// Some other apps (most notably, sunbird 0.2) happily splits an utf8 character
|
|
// between the octets, and adds a newline and space between them, for ics
|
|
// folding. Unfold manually before parsing the file as utf8.
|
|
// This is utf8 safe, because octets with the first bit 0 are always one-octet
|
|
// characters. So the space or the newline never can be part of a multi-byte
|
|
// char.
|
|
for (var i=octetArray.length-2; i>=0; i--) {
|
|
if (octetArray[i] == "\n" && octetArray[i+1] == " ") {
|
|
octetArray = octetArray.splice(i, 2);
|
|
}
|
|
}
|
|
|
|
// Interpret the byte-array as an utf8 string, and convert into a
|
|
// javascript string.
|
|
var unicodeConverter = Components.classes["@mozilla.org/intl/scriptableunicodeconverter"]
|
|
.createInstance(Components.interfaces.nsIScriptableUnicodeConverter);
|
|
// ics files are always utf8
|
|
unicodeConverter.charset = "UTF-8";
|
|
var str = unicodeConverter.convertFromByteArray(octetArray, octetArray.length);
|
|
|
|
|
|
icssrv = Components.classes["@mozilla.org/calendar/ics-service;1"]
|
|
.getService(Components.interfaces.calIICSService);
|
|
|
|
var rootComp = icssrv.parseICS(str);
|
|
var calComp;
|
|
// libical returns the vcalendar component if there is just
|
|
// one vcalendar. If there are multiple vcalendars, it returns
|
|
// an xroot component, with those vcalendar childs. We need to
|
|
// handle both.
|
|
if (rootComp.componentType == 'VCALENDAR') {
|
|
calComp = rootComp;
|
|
} else {
|
|
calComp = rootComp.getFirstSubcomponent('VCALENDAR');
|
|
}
|
|
|
|
while (calComp) {
|
|
// XXX bug 354073:
|
|
// When Sunbird 0.2 (and earlier) creates EXDATEs, they are set to
|
|
// 00:00:00 floating rather than to the item's DTSTART. This fixes that.
|
|
//
|
|
// This should really be in the migration code found in bug 349586,
|
|
// but in the interest of getting 0.3 released, we're putting it here.
|
|
// When bug 349586 lands, please make sure moving this to the
|
|
// migrator is part of that checkin.
|
|
var prodId = calComp.getFirstProperty("PRODID");
|
|
var isFromOldSunbird;
|
|
if (prodId) {
|
|
isFromOldSunbird = (prodId.value.indexOf("NONSGML Mozilla Calendar V1.0") > -1);
|
|
LOG("Old Sunbird file found...");
|
|
}
|
|
|
|
// Helper function to deal with the busted exdates from Sunbird 0.2
|
|
function fixOldSunbirdExceptions(aItem) {
|
|
const kCalIRecurrenceDate = Components.interfaces.calIRecurrenceDate;
|
|
|
|
var ritems = aItem.recurrenceInfo.getRecurrenceItems({});
|
|
for (var i in ritems) {
|
|
var ritem = ritems[i];
|
|
|
|
// EXDATEs are represented as calIRecurrenceDates, which are
|
|
// negative and finite.
|
|
if (ritem instanceof kCalIRecurrenceDate &&
|
|
ritem.isNegative && ritem.isFinite)
|
|
{
|
|
// Only mess with the exception if its time is wrong.
|
|
var oldDate = aItem.startDate || aItem.entryDate;
|
|
if (ritem.date.compare(oldDate) != 0) {
|
|
var newRitem = ritem.clone();
|
|
// All we want from aItem is the time and timezone.
|
|
newRitem.date.timezone = oldDate.timezone;
|
|
newRitem.date.hour = oldDate.hour;
|
|
newRitem.date.minute = oldDate.minute;
|
|
newRitem.date.second = oldDate.second;
|
|
newRitem.date.normalize();
|
|
aItem.recurrenceInfo.appendRecurrenceItem(newRitem);
|
|
aItem.recurrenceInfo.deleteRecurrenceItem(ritem);
|
|
}
|
|
}
|
|
}
|
|
return aItem;
|
|
}
|
|
|
|
var subComp = calComp.getFirstSubcomponent("ANY");
|
|
while (subComp) {
|
|
switch (subComp.componentType) {
|
|
case "VEVENT":
|
|
var event = Components.classes["@mozilla.org/calendar/event;1"]
|
|
.createInstance(Components.interfaces.calIEvent);
|
|
event.icalComponent = subComp;
|
|
|
|
// Only try to fix ICS from Sunbird 0.2 (and earlier) if it
|
|
// has an EXDATE.
|
|
hasExdate = subComp.getFirstProperty("EXDATE");
|
|
if (isFromOldSunbird && hasExdate) {
|
|
event = fixOldSunbirdExceptions(event);
|
|
}
|
|
|
|
items.push(event);
|
|
break;
|
|
case "VTODO":
|
|
var todo = Components.classes["@mozilla.org/calendar/todo;1"]
|
|
.createInstance(Components.interfaces.calITodo);
|
|
todo.icalComponent = subComp;
|
|
|
|
// Only try to fix ICS from Sunbird 0.2 (and earlier) if it
|
|
// has an EXDATE.
|
|
hasExdate = subComp.getFirstProperty("EXDATE");
|
|
if (isFromOldSunbird && hasExdate) {
|
|
todo = fixOldSunbirdExceptions(todo);
|
|
}
|
|
|
|
items.push(todo);
|
|
break;
|
|
default:
|
|
// Nothing
|
|
}
|
|
subComp = calComp.getNextSubcomponent("ANY");
|
|
}
|
|
calComp = rootComp.getNextSubcomponent('VCALENDAR');
|
|
}
|
|
|
|
aCount.value = items.length;
|
|
return items;
|
|
};
|
|
|
|
|
|
// Export
|
|
|
|
function calIcsExporter() {
|
|
this.wrappedJSObject = this;
|
|
}
|
|
|
|
calIcsExporter.prototype.QueryInterface =
|
|
function QueryInterface(aIID) {
|
|
if (!aIID.equals(Components.interfaces.nsISupports) &&
|
|
!aIID.equals(Components.interfaces.calIExporter)) {
|
|
throw Components.results.NS_ERROR_NO_INTERFACE;
|
|
}
|
|
|
|
return this;
|
|
};
|
|
|
|
calIcsExporter.prototype.getFileTypes =
|
|
function getFileTypes(aCount) {
|
|
aCount.value = 1;
|
|
var sbs = Components.classes["@mozilla.org/intl/stringbundle;1"]
|
|
.getService(Components.interfaces.nsIStringBundleService);
|
|
var props = sbs.createBundle("chrome://calendar/locale/calendar.properties");
|
|
return([{defaultExtension:'ics',
|
|
extensionFilter:'*.ics',
|
|
description: props.GetStringFromName('icsDesc')}]);
|
|
};
|
|
|
|
// not prototype.export. export is reserved.
|
|
calIcsExporter.prototype.exportToStream =
|
|
function ics_exportToStream(aStream, aCount, aItems) {
|
|
icssrv = Components.classes["@mozilla.org/calendar/ics-service;1"]
|
|
.getService(Components.interfaces.calIICSService);
|
|
var calComp = icssrv.createIcalComponent("VCALENDAR");
|
|
calComp.version = "2.0";
|
|
calComp.prodid = "-//Mozilla.org/NONSGML Mozilla Calendar V1.1//EN";
|
|
|
|
for each (item in aItems) {
|
|
calComp.addSubcomponent(item.icalComponent);
|
|
var rec = item.recurrenceInfo;
|
|
if (rec != null) {
|
|
var exceptions = rec.getExceptionIds({});
|
|
for each ( var exid in exceptions ) {
|
|
var ex = rec.getExceptionFor(exid, false);
|
|
if (ex != null) {
|
|
calComp.addSubcomponent(ex.icalComponent);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
var str = calComp.serializeToICS();
|
|
|
|
// Convert the javascript string to an array of bytes, using the
|
|
// utf8 encoder
|
|
var convStream = Components.classes["@mozilla.org/intl/converter-output-stream;1"]
|
|
.getService(Components.interfaces.nsIConverterOutputStream);
|
|
convStream.init(aStream, 'UTF-8', 0, 0x0000);
|
|
|
|
convStream.writeString(str);
|
|
convStream.close();
|
|
|
|
return;
|
|
};
|