/usr/lib/thunderbird-addons/extensions/{a62ef8ec-5fdc-40c2-873c-223b8a6925cc}/js/calGoogleUtils.js is in xul-ext-gdata-provider 1:24.4.0+build1-0ubuntu1.
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1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 | /* 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
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
Components.utils.import("resource://calendar/modules/calUtils.jsm");
Components.utils.import("resource://calendar/modules/calXMLUtils.jsm");
Components.utils.import("resource://calendar/modules/calIteratorUtils.jsm");
Components.utils.import("resource://calendar/modules/calProviderUtils.jsm");
const atomNS = "http://www.w3.org/2005/Atom";
const gdNS = "http://schemas.google.com/g/2005";
const gcalNS = "http://schemas.google.com/gCal/2005";
function gdataNSResolver(prefix) {
const ns = {
atom: atomNS,
gd: gdNS,
gCal: gcalNS
};
return ns[prefix] || atomNS;
}
function gdataXPath(aNode, aExpr, aType) {
return cal.xml.evalXPath(aNode, aExpr, gdataNSResolver, aType);
}
function gdataXPathFirst(aNode, aExpr, aType) {
// Different than the caldav/ics functions, this one will return an empty string on null
return cal.xml.evalXPathFirst(aNode, aExpr, gdataNSResolver, aType) || "";
}
/**
* getGoogleSessionManager
* Shortcut to the google session manager
*/
function getGoogleSessionManager() {
if (this.mObject === undefined) {
this.mObject =
Components.classes["@mozilla.org/calendar/providers/gdata/session-manager;1"]
.createInstance(Components.interfaces.calIGoogleSessionManager);
}
return this.mObject;
}
/**
* setCalendarPref
* Helper to set an independant Calendar Preference, since I cannot use the
* calendar manager because of early initialization Problems.
*
* @param aCalendar The Calendar to set the pref for
* @param aPrefName The Preference name
* @param aPrefType The type of the preference ("BOOL", "INT", "CHAR")
* @param aPrefValue The Preference value
*
* @return The value of aPrefValue
*
* @require aCalendar.googleCalendarName
*/
function setCalendarPref(aCalendar, aPrefName, aPrefType, aPrefValue) {
cal.setPref("calendar.google.calPrefs." + aCalendar.googleCalendarName + "." +
aPrefName, aPrefValue, aPrefType);
return aPrefValue;
}
/**
* getCalendarPref
* Helper to get an independant Calendar Preference, since I cannot use the
* calendar manager because of early initialization Problems.
*
* @param aCalendar The calendar to set the pref for
* @param aPrefName The preference name
*
* @return The preference value
*
* @require aCalendar.googleCalendarName
*/
function getCalendarPref(aCalendar, aPrefName) {
return cal.getPrefSafe("calendar.google.calPrefs." +
aCalendar.googleCalendarName + "." + aPrefName);
}
/**
* getFormattedString
* Returns the string from the properties file, formatted with args
*
* @param aBundleName The .properties file to access
* @param aStringName The property to access
* @param aFormatArgs An array of arguments to format the string
* @param aComponent Optionally, the stringbundle component name
* @return The formatted string
*/
function getFormattedString(aBundleName, aStringName, aFormatArgs, aComponent) {
return calGetString(aBundleName, aStringName, aFormatArgs, aComponent || "gdata-provider");
}
/**
* getCalendarCredentials
* Tries to get the username/password combination of a specific calendar name
* from the password manager or asks the user.
*
* @param in aCalendarName The calendar name to look up. Can be null.
* @param out aUsername The username that belongs to the calendar.
* @param out aPassword The password that belongs to the calendar.
* @param out aSavePassword Should the password be saved?
* @return Could a password be retrieved?
*/
function getCalendarCredentials(aCalendarName,
aUsername,
aPassword,
aSavePassword) {
return cal.auth.getCredentials(getFormattedString("gdata", "loginDialogTitle"),
aCalendarName,
aUsername,
aPassword,
aSavePassword);
}
/**
* Gets the date and time that Google's http server last sent us. Note the
* passed argument is modified. This might not be the exact server time (i.e it
* may be off by network latency), but it does give a good guess when syncing.
*
* @param aDate The date to modify
*/
function getCorrectedDate(aDate) {
if (!getCorrectedDate.mClockSkew) {
return aDate;
}
aDate.second += getCorrectedDate.mClockSkew;
return aDate;
}
/**
* The timezone service to translate Google timezones.
*/
var gdataTimezoneService = {
ctz: cal.getTimezoneService(),
get floating() {
return this.ctz.floating;
},
get UTC() {
return this.ctz.UTC;
},
get version() {
return this.ctz.version;
},
get defaultTimezone() {
return this.ctz.defaultTimezone;
},
getTimezone: function gTS_getTimezone(aTzid) {
if (aTzid == "Etc/GMT") {
// Most timezones are covered by the timezone service, there is one
// exception I've found out about. GMT without DST is pretty close
// to UTC, lets take it.
return UTC();
}
let baseTZ = this.ctz.getTimezone(aTzid);
ASSERT(baseTZ, "Unknown Timezone requested: " + aTzid);
return baseTZ;
}
};
/**
* passwordManagerSave
* Helper to insert an entry to the password manager.
*
* @param aUserName The username to search
* @param aPassword The corresponding password
*/
function passwordManagerSave(aUsername, aPassword) {
cal.auth.passwordManagerSave(aUsername, aPassword, aUsername, "Google Calendar");
}
/**
* passwordManagerGet
* Helper to retrieve an entry from the password manager
*
* @param in aUsername The username to search
* @param out aPassword The corresponding password
* @return Does an entry exist in the password manager
*/
function passwordManagerGet(aUsername, aPassword) {
return cal.auth.passwordManagerGet(aUsername, aPassword, aUsername, "Google Calendar");
}
/**
* passwordManagerRemove
* Helper to remove an entry from the password manager
*
* @param aUsername The username to remove.
* @return Could the user be removed?
*/
function passwordManagerRemove(aUsername) {
return cal.auth.passwordManagerRemove(aUsername, aUsername, "Google Calendar");
}
/**
* If the operation has signaled that a conflict occurred, then prompt the user
* to overwrite. If the user chooses to overwrite, restart the request with the
* right parameters so the request succeeds.
*
* @param aOperation The operation to check
* @param aItem The updated item from the response
* @return False if further processing should be cancelled
*/
function resolveConflicts(aOperation, aItem) {
if (aItem && (aOperation.status == kGOOGLE_CONFLICT_DELETED ||
aOperation.status == kGOOGLE_CONFLICT_MODIFY)) {
if (aItem == "SEQUENCE-HACK") {
// Working around a Google issue here, see what happens on a 400
// code in calGoogleRequest.js. This will cause a new request
// without the sequence number. In return, we get a new item with
// the correct sequence number.
let newItem = aOperation.newItem.clone();
let session = aOperation.calendar.session;
newItem.deleteProperty("SEQUENCE");
let xmlEntry = ItemToXMLEntry(newItem, aOperation.calendar,
session.userName, session.fullName);
aOperation.newItem = newItem;
aOperation.setUploadData("application/atom+xml; charset=UTF-8", cal.xml.serializeDOM(xmlEntry));
session.asyncItemRequest(aOperation);
return false;
} else if (aOperation.status == kGOOGLE_CONFLICT_DELETED &&
aOperation.type == aOperation.DELETE) {
// Deleted on the server and deleted locally. Great!
return true;
} else {
// If a conflict occurred, then prompt
let method = (aOperation.type == aOperation.DELETE ? "delete" : "modify")
let inputItem = aOperation.oldItem || aOperation.newItem;
let overwrite = cal.promptOverwrite(method, inputItem);
if (overwrite) {
if (aOperation.status == kGOOGLE_CONFLICT_DELETED &&
aOperation.type == aOperation.MODIFY) {
// The item was deleted on the server, but modified locally.
// Add it again
aOperation.type = aOperation.ADD;
aOperation.uri = aOperation.calendar.fullUri.spec;
aOperation.calendar.session.asyncItemRequest(aOperation);
return false;
} else if (aOperation.status == kGOOGLE_CONFLICT_MODIFY &&
aOperation.type == aOperation.MODIFY) {
// The item was modified in both places, repeat the current
// request with the edit uri of the updated event
aOperation.uri = getItemEditURI(aItem);
aOperation.calendar.session.asyncItemRequest(aOperation);
return false;
} else if (aOperation.status == kGOOGLE_CONFLICT_MODIFY &&
aOperation.type == aOperation.DELETE) {
// Modified on the server, deleted locally. Just repeat the
// delete request with the updated edit uri.
aOperation.uri = getItemEditURI(aItem);
aOperation.calendar.session.asyncItemRequest(aOperation);
return false;
}
}
}
// Otherwise, we can just continue using the item that was parsed, it
// is the newest version on the server.
}
return true;
}
/**
* Helper function to convert raw data directly into a calIItemBase. If the
* passed operation signals an error, then throw an exception
*
* @param aOperation The operation to check for errors
* @param aData The result from the response
* @param aGoogleCalendar The calIGoogleCalendar to operate on
* @param aReferenceItem The reference item to apply the information to
* @return The parsed item
* @throws An exception on a parsing or request error
*/
function DataToItem(aOperation, aData, aGoogleCalendar, aReferenceItem) {
if (aOperation.status == kGOOGLE_CONFLICT_DELETED ||
aOperation.status == kGOOGLE_CONFLICT_MODIFY ||
Components.isSuccessCode(aOperation.status)) {
let item;
if (aData == "SEQUENCE-HACK") {
// Working around a Google issue here, see what happens on a 400
// code in calGoogleRequest.js. This will be processed in
// resolveConflicts().
return "SEQUENCE-HACK";
}
if (aData && aData.length) {
let xml = cal.xml.parseString(aData);
cal.LOG("[calGoogleCalendar] Parsing entry:\n" + aData + "\n");
// Get the local timezone from the preferences
let timezone = calendarDefaultTimezone();
// Parse the Item with the given timezone
item = XMLEntryToItem(xml.documentElement, timezone,
aGoogleCalendar,
aReferenceItem);
} else {
cal.LOG("[calGoogleCalendar] No content, using reference item instead ");
// No data happens for example on delete. Just assume the reference
// item.
item = aReferenceItem.clone();
}
LOGitem(item);
item.calendar = aGoogleCalendar.superCalendar;
return item;
} else {
throw new Components.Exception(aData, aOperation.status);
}
}
/**
* ItemToXMLEntry
* Converts a calIEvent to a string of xml data.
*
* @param aItem The item to convert
* @param aCalendar The calendar to use, this must be a calIGoogleCalendar
* @param aAuthorEmail The email of the author of the event
* @param aAuthorName The full name of the author of the event
* @return The xml data of the item
*/
function ItemToXMLEntry(aItem, aCalendar, aAuthorEmail, aAuthorName) {
let selfIsOrganizer = (!aItem.organizer ||
aItem.organizer.id == "mailto:" + aCalendar.googleCalendarName);
function addExtendedProperty(aName, aValue) {
if (!selfIsOrganizer || !aValue) {
// We can't set extended properties if we are not the organizer,
// discard. Also, if the value is null/false, we can delete the
// extended property by not adding it.
return;
}
let gdExtendedProp = document.createElementNS(gdNS, "extendedProperty");
gdExtendedProp.setAttribute("name", aName);
gdExtendedProp.setAttribute("value", aValue || "");
entry.appendChild(gdExtendedProp);
}
if (!aItem) {
throw new Components.Exception("", Components.results.NS_ERROR_INVALID_ARG);
}
const kEVENT_SCHEMA = "http://schemas.google.com/g/2005#event.";
// Document creation
let document = cal.xml.parseString('<entry xmlns="' + atomNS + '" xmlns:gd="' + gdNS + '" xmlns:gCal="' + gcalNS + '"/>');
let entry = document.documentElement;
// Helper functions
function elemNS(ns, name) document.createElementNS(ns, name);
function addElemNS(ns, name, parent) (parent || entry).appendChild(elemNS(ns, name));
// Basic elements
let kindElement = addElemNS(atomNS, "category");
kindElement.setAttribute("scheme", "http://schemas.google.com/g/2005#kind");
kindElement.setAttribute("term", "http://schemas.google.com/g/2005#event");
let titleElement = addElemNS(atomNS, "title");
titleElement.setAttribute("type", "text");
titleElement.textContent = aItem.title;
// atom:content
let contentElement = addElemNS(atomNS, "content");
contentElement.setAttribute("type", "text");
contentElement.textContent = aItem.getProperty("DESCRIPTION") || "";
// atom:author
let authorElement = addElemNS(atomNS, "author");
addElemNS(atomNS, "name", authorElement).textContent = aAuthorName || aAuthorEmail;
addElemNS(atomNS, "email", authorElement).textContent = aAuthorEmail;
// gd:transparency
let transpElement = addElemNS(gdNS, "transparency");
let transpValue = aItem.getProperty("TRANSP") || "opaque";
transpElement.setAttribute("value", kEVENT_SCHEMA + transpValue.toLowerCase());
// gd:eventStatus
let status = aItem.status || "confirmed";
if (status == "CANCELLED") {
// If the status is canceled, then the event will be deleted. Since the
// user didn't choose to delete the event, we will protect him and not
// allow this status to be set
throw new Components.Exception("",
Components.results.NS_ERROR_LOSS_OF_SIGNIFICANT_DATA);
} else if (status == "NONE") {
status = "CONFIRMED";
}
addElemNS(gdNS, "eventStatus").setAttribute("value", kEVENT_SCHEMA + status.toLowerCase());
// gd:where
addElemNS(gdNS, "where").setAttribute("valueString", aItem.getProperty("LOCATION") || "");
// gd:who
if (cal.getPrefSafe("calendar.google.enableAttendees", false)) {
// XXX Only parse attendees if they are enabled, due to bug 407961
let attendees = aItem.getAttendees({});
if (aItem.organizer) {
// Taking care of the organizer is the same as taking care of any other
// attendee. Add the organizer to the local attendees list.
attendees.push(aItem.organizer);
}
const attendeeStatusMap = {
"REQ-PARTICIPANT": "required",
"OPT-PARTICIPANT": "optional",
"NON-PARTICIPANT": null,
"CHAIR": null,
"NEEDS-ACTION": "invited",
"ACCEPTED": "accepted",
"DECLINED": "declined",
"TENTATIVE": "tentative",
"DELEGATED": "tentative"
};
for each (let attendee in attendees) {
if (attendee.userType && attendee.userType != "INDIVIDUAL") {
// We can only take care of individuals.
continue;
}
let xmlAttendee = addElemNS(gdNS, "who");
// Strip "mailto:" part
xmlAttendee.setAttribute("email", attendee.id.replace(/^mailto:/, ""));
if (attendee.isOrganizer) {
xmlAttendee.setAttribute("rel", kEVENT_SCHEMA + "organizer");
} else {
xmlAttendee.setAttribute("rel", kEVENT_SCHEMA + "attendee");
}
if (attendee.commonName) {
xmlAttendee.setAttribute("valueString", attendee.commonName);
}
if (attendeeStatusMap[attendee.role]) {
let attendeeTypeElement = addElemNS(gdNS, "attendeeType", xmlAttendee);
let attendeeTypeValue = kEVENT_SCHEMA + attendeeStatusMap[attendee.role];
attendeeTypeElement.setAttribute("value", attendeeTypeValue);
}
if (attendeeStatusMap[attendee.participationStatus]) {
let attendeeStatusElement = addElemNS(gdNS, "attendeeStatus", xmlAttendee);
let attendeeStatusValue = kEVENT_SCHEMA + attendeeStatusMap[attendee.participationStatus];
attendeeStatusElement.setAttribute("value", attendeeStatusValue);
}
}
}
// Don't notify attendees by default. Use a preference in case the user
// wants this to be turned on.
let notify = cal.getPrefSafe("calendar.google.sendEventNotifications", false);
addElemNS(gcalNS, "sendEventNotifications").setAttribute("value", notify ? "true" : "false");
// gd:when
let duration = aItem.endDate.subtractDate(aItem.startDate);
let whenElement;
if (!aItem.recurrenceInfo) {
// gd:when isn't allowed for recurring items where gd:recurrence is set
whenElement = addElemNS(gdNS, "when");
whenElement.setAttribute("startTime", cal.toRFC3339(aItem.startDate));
whenElement.setAttribute("endTime", cal.toRFC3339(aItem.endDate));
}
// gd:reminder
let alarms = aItem.getAlarms({});
let actionMap = {
DISPLAY: "alert",
EMAIL: "email",
SMS: "sms"
};
if (selfIsOrganizer) {
for (let i = 0; i < 5 && i < alarms.length; i++) {
let alarm = alarms[i];
let gdReminder;
if (aItem.recurrenceInfo) {
// On recurring items, set the reminder directly in the <entry> tag.
gdReminder = addElemNS(gdNS, "reminder");
} else {
// Otherwise, its a child of the gd:when element
gdReminder = addElemNS(gdNS, "reminder", whenElement);
}
if (alarm.related == alarm.ALARM_RELATED_ABSOLUTE) {
// Setting an absolute date can be done directly. Google will take
// care of calculating the offset.
gdReminder.setAttribute("absoluteTime", cal.toRFC3339(alarm.alarmDate));
} else {
let alarmOffset = alarm.offset;
if (alarm.related == alarm.ALARM_RELATED_END) {
// Google always uses an alarm offset related to the start time
// for relative alarms.
alarmOffset = alarmOffset.clone();
alarmOffset.addDuration(duration);
}
gdReminder.setAttribute("minutes", -alarmOffset.inSeconds / 60);
gdReminder.setAttribute("method", actionMap[alarm.action] || "alert");
}
}
} else if (alarms.length) {
// We need to reset this so the item gets returned correctly.
aItem.clearAlarms();
}
// gd:extendedProperty (alarmLastAck)
addExtendedProperty("X-MOZ-LASTACK", cal.toRFC3339(aItem.alarmLastAck));
// XXX While Google now supports multiple alarms and alarm values, we still
// need to fix bug 353492 first so we can better take care of finding out
// what alarm is used for snoozing.
// gd:extendedProperty (snooze time)
let itemSnoozeTime = aItem.getProperty("X-MOZ-SNOOZE-TIME");
let icalSnoozeTime = null;
if (itemSnoozeTime) {
// The propery is saved as a string, translate back to calIDateTime.
icalSnoozeTime = cal.createDateTime();
icalSnoozeTime.icalString = itemSnoozeTime;
}
addExtendedProperty("X-MOZ-SNOOZE-TIME", cal.toRFC3339(icalSnoozeTime));
// gd:extendedProperty (snooze recurring alarms)
let snoozeValue = "";
if (aItem.recurrenceInfo) {
// This is an evil workaround since we don't have a really good system
// to save the snooze time for recurring alarms or even retrieve them
// from the event. This should change when we have multiple alarms
// support.
let snoozeObj = {};
let enumerator = aItem.propertyEnumerator;
while (enumerator.hasMoreElements()) {
let prop = enumerator.getNext().QueryInterface(Components.interfaces.nsIProperty);
if (prop.name.substr(0, 18) == "X-MOZ-SNOOZE-TIME-") {
// We have a snooze time for a recurring event, add it to our object
snoozeObj[prop.name.substr(18)] = prop.value;
}
}
snoozeValue = JSON.stringify(snoozeObj);
}
// Now save the snooze object in source format as an extended property. Do
// so always, since its currently impossible to unset extended properties.
addExtendedProperty("X-GOOGLE-SNOOZE-RECUR", snoozeValue);
// gd:visibility
let privacy = aItem.privacy || "default";
addElemNS(gdNS, "visibility").setAttribute("value", kEVENT_SCHEMA + privacy.toLowerCase());
// categories
// Google does not support categories natively, but allows us to store data
// as an "extendedProperty", so we do here
addExtendedProperty("X-MOZ-CATEGORIES",
categoriesArrayToString(aItem.getCategories({})));
// gd:recurrence
if (aItem.recurrenceInfo) {
try {
const kNEWLINE = "\r\n";
let icalString;
let recurrenceItems = aItem.recurrenceInfo.getRecurrenceItems({});
// Dates of the master event
let startTZID = aItem.startDate.timezone.tzid;
let endTZID = aItem.endDate.timezone.tzid;
icalString = "DTSTART;TZID=" + startTZID
+ ":" + aItem.startDate.icalString + kNEWLINE
+ "DTEND;TZID=" + endTZID
+ ":" + aItem.endDate.icalString + kNEWLINE;
// Add all recurrence items to the ical string
for each (let ritem in recurrenceItems) {
let prop = ritem.icalProperty;
let wrappedRItem = cal.wrapInstance(wrappedRItem, Components.interfaces.calIRecurrenceDate);
if (wrappedRItem) {
// EXDATES require special casing, since they might contain
// a TZID. To avoid the need for conversion of TZID strings,
// convert to UTC before serialization.
prop.valueAsDatetime = wrappedRItem.date.getInTimezone(cal.UTC());
}
icalString += prop.icalString;
}
// Put the ical string in a <gd:recurrence> tag
addElemNS(gdNS, "recurrence").textContent = icalString + kNEWLINE;
} catch (e) {
cal.ERROR("[calGoogleCalendar] Error: " + e);
}
}
// gd:originalEvent
if (aItem.recurrenceId) {
let originalEvent = addElemNS(gdNS, "originalEvent");
originalEvent.setAttribute("id", aItem.parentItem.id);
let origWhen = addElemNS(gdNS, "when", originalEvent)
origWhen.setAttribute("startTime", cal.toRFC3339(aItem.recurrenceId.getInTimezone(cal.UTC())));
}
// While it may sometimes not work out, we can always try to set the uid and
// sequence properties
let sequence = aItem.getProperty("SEQUENCE");
if (sequence) {
addElemNS(gcalNS, "sequence").setAttribute("value", sequence);
}
addElemNS(gcalNS, "uid").setAttribute("value", aItem.id || "");
// XXX Google currently has no priority support. See
// http://code.google.com/p/google-gdata/issues/detail?id=52
// for details.
return document;
}
/**
* relevantFieldsMatch
* Tests if all google supported fields match
*
* @param a The reference item
* @param b The comparing item
* @return true if all relevant fields match, otherwise false
*/
function relevantFieldsMatch(a, b) {
// flat values
if (a.id != b.id ||
a.title != b.title ||
a.status != b.status ||
a.privacy != b.privacy) {
return false;
}
function compareNotNull(prop) {
let ap = a[prop];
let bp = b[prop];
return (ap && !bp || !ap && bp ||
(typeof(ap) == 'object' && ap && bp &&
ap.compare && ap.compare(bp)));
}
// Object flat values
if (compareNotNull("recurrenceInfo") ||
compareNotNull("alarmLastAck") ||
/* Compare startDate and endDate */
compareNotNull("startDate") ||
compareNotNull("endDate") ||
(a.startDate.isDate != b.startDate.isDate) ||
(a.endDate.isDate != b.endDate.isDate)) {
return false;
}
// Properties
const kPROPERTIES = ["DESCRIPTION", "TRANSP", "X-GOOGLE-EDITURL",
"LOCATION", "X-MOZ-SNOOZE-TIME"];
for each (let p in kPROPERTIES) {
// null and an empty string should be handled as non-relevant
if ((a.getProperty(p) || "") != (b.getProperty(p) || "")) {
return false;
}
}
// categories
let aCat = a.getCategories({});
let bCat = b.getCategories({});
if ((aCat.length != bCat.length) ||
aCat.some(function notIn(cat) { return (bCat.indexOf(cat) == -1); })) {
return false;
}
// attendees and organzier
let aa = a.getAttendees({});
let ab = b.getAttendees({});
if (aa.length != ab.length) {
return false;
}
if ((a.organizer && !b.organizer) ||
(!a.organizer && b.organizer) ||
(a.organizer && b.organizer && a.organizer.id != b.organizer.id)) {
return false;
}
// go through attendees in a, check if its id is in b
for each (let attendee in aa) {
let ba = b.getAttendeeById(attendee.id);
if (!ba ||
ba.participationStatus != attendee.participationStatus ||
ba.commonName != attendee.commonName ||
ba.isOrganizer != attendee.isOrganizer ||
ba.role != attendee.role) {
return false;
}
}
// Alarms
aa = a.getAlarms({});
ab = b.getAlarms({});
if (aa.length != ab.length) {
return false;
}
let alarmMap = {};
for each (let alarm in aa) {
alarmMap[alarm.icalString] = true;
}
let found = 0;
for each (let alarm in ab) {
if (alarm.icalString in alarmMap) {
found++;
}
}
if (found != ab.length) {
return false;
}
// Recurrence Items
if (a.recurrenceInfo) {
let ra = a.recurrenceInfo.getRecurrenceItems({});
let rb = b.recurrenceInfo.getRecurrenceItems({});
// If we have more or less, it definitly changed.
if (ra.length != rb.length) {
return false;
}
// I assume that if the recurrence pattern has not changed, the order
// of the recurrence items should not change. Anything more will be
// very expensive.
for (let i = 0; i < ra.length; i++) {
if (ra[i].icalProperty.icalString !=
rb[i].icalProperty.icalString) {
return false;
}
}
}
return true;
}
/**
* getItemEditURI
* Helper to get the item's edit URI
*
* @param aItem The item to get it from
* @return The edit URI
*/
function getItemEditURI(aItem) {
ASSERT(aItem);
let edituri = aItem.getProperty("X-GOOGLE-EDITURL");
if (!edituri) {
// If the item has no edit uri, it is read-only
throw new Components.Exception("The item is readonly", Components.interfaces.calIErrors.CAL_IS_READONLY);
}
return edituri;
}
function getIdFromEntry(aXMLEntry) {
let id = gdataXPathFirst(aXMLEntry, 'gCal:uid/@value');
return id.replace(/@google.com/,"");
}
function getRecurrenceIdFromEntry(aXMLEntry, aTimezone) {
let rId = gdataXPathFirst(aXMLEntry, 'gd:originalEvent/gd:when/@startTime');
return (rId ? cal.fromRFC3339(rId.toString(), aTimezone) : null);
}
/**
* XMLEntryToItem
* Converts a string of xml data to a calIEvent.
*
* @param aXMLEntry The xml data of the item
* @param aTimezone The timezone the event is most likely in
* @param aCalendar The calendar this item will belong to. This needs to
* be a calIGoogleCalendar instance.
* @param aReferenceItem The item to apply the information from the xml to.
* If null, a new item will be used.
* @return The calIEvent with the item data.
*/
function XMLEntryToItem(aXMLEntry, aTimezone, aCalendar, aReferenceItem) {
function getExtendedProperty(x) gdataXPathFirst(aXMLEntry, 'gd:extendedProperty[@name="' + x + '"]/@value');
if (!aXMLEntry) {
throw new Components.Exception("", Components.results.NS_ERROR_FAILURE);
} else if (typeof aXMLEntry == "string") {
aXMLEntry = cal.xml.parseString(aXMLEntry);
}
let item = (aReferenceItem ? aReferenceItem.clone() : cal.createEvent());
try {
// id
item.id = getIdFromEntry(aXMLEntry);
// sequence
item.setProperty("SEQUENCE", gdataXPathFirst(aXMLEntry, 'gCal:sequence/@value') || 0);
// link (edit url)
// Since Google doesn't set the edit url to be https if the request is
// https, we need to work around this here.
let editUrl = gdataXPathFirst(aXMLEntry, 'atom:link[@rel="edit"]/@href');
if (aCalendar.uri.schemeIs("https")) {
editUrl = editUrl.replace(/^http:/, "https:");
}
item.setProperty("X-GOOGLE-EDITURL", editUrl);
// link (alternative representation, html)
let htmlUrl = gdataXPathFirst(aXMLEntry, 'atom:link[@rel="alternate"]/@href');
if (aCalendar.uri.schemeIs("https")) {
htmlUrl = htmlUrl.replace(/^http:/, "https:");
}
item.setProperty("URL", htmlUrl);
// title
item.title = gdataXPathFirst(aXMLEntry, 'atom:title[@type="text"]/text()');
// content
item.setProperty("DESCRIPTION", gdataXPathFirst(aXMLEntry, 'atom:content[@type="text"]/text()'));
// gd:transparency
item.setProperty("TRANSP", gdataXPathFirst(aXMLEntry, 'gd:transparency/@value').substring(39).toUpperCase());
// gd:eventStatus
item.status = gdataXPathFirst(aXMLEntry, 'gd:eventStatus/@value').substring(39).toUpperCase();
// gd:reminder (preparation)
// If a reference item was passed, it may already contain alarms. Since
// we have no alarm id or such and the alarms are contained in every
// feed, we can go ahead and clear the alarms here.
item.clearAlarms();
/**
* Helper function to parse all reminders in a tagset.
*
* @param reminderTags The tagset to parse.
*/
function parseReminders(reminderTags) {
let organizerEmail = gdataXPathFirst(aXMLEntry, 'gd:who[@rel="http://schemas.google.com/g/2005#event.organizer"]/@email');
if (organizerEmail != aCalendar.googleCalendarName) {
// We are not the organizer, so its not smart to set alarms on
// this event.
return;
}
const actionMap = {
email: "EMAIL",
alert: "DISPLAY",
sms: "SMS"
};
for each (let reminderTag in reminderTags) {
let alarm = cal.createAlarm();
alarm.action = actionMap[reminderTag.getAttribute("method")] || "DISPLAY";
let absoluteTime = reminderTag.getAttribute("absoluteTime");
if (absoluteTime) {
alarm.related = Components.interfaces.calIAlarm.ALARM_RELATED_ABSOLUTE;
alarm.alarmDate = cal.fromRFC3339(absoluteTime, aTimezone);
} else {
alarm.related = Components.interfaces.calIAlarm.ALARM_RELATED_START;
let alarmOffset = cal.createDuration();
let days = reminderTag.getAttribute("days");
let hours = reminderTag.getAttribute("hours");
let minutes = reminderTag.getAttribute("minutes");
if (days) {
alarmOffset.days = -days;
} else if (hours) {
alarmOffset.hours = -hours;
} else if (minutes) {
alarmOffset.minutes = -minutes;
} else {
// Invalid alarm, skip it
continue;
}
alarmOffset.normalize();
alarm.offset = alarmOffset;
}
item.addAlarm(alarm);
}
}
// gd:when
let recurrenceInfo = gdataXPathFirst(aXMLEntry, 'gd:recurrence/text()');
if (!recurrenceInfo || recurrenceInfo.length == 0) {
// If no recurrence information is given, then there will only be
// one gd:when tag. Otherwise, we will be parsing the startDate from
// the recurrence information.
item.startDate = cal.fromRFC3339(gdataXPathFirst(aXMLEntry, 'gd:when/@startTime'), aTimezone);
item.endDate = cal.fromRFC3339(gdataXPathFirst(aXMLEntry, 'gd:when/@endTime'), aTimezone);
if (!item.endDate) {
// We have a zero-duration event
item.endDate = item.startDate.clone();
}
// gd:reminder
parseReminders(gdataXPath(aXMLEntry, 'gd:when/gd:reminder'));
} else {
if (!item.recurrenceInfo) {
item.recurrenceInfo = cal.createRecurrenceInfo(item);
} else {
item.recurrenceInfo.clearRecurrenceItems();
}
// We don't really care about google's timezone info for
// now. This may change when bug 314339 is fixed. Split out
// the timezone information so we only have the first bit
let vevent = recurrenceInfo;
let splitpos = recurrenceInfo.indexOf("BEGIN:VTIMEZONE");
if (splitpos > -1) {
// Sometimes (i.e if only DATE values are specified), no
// timezone info is contained. Only remove it if it shows up.
vevent = recurrenceInfo.substring(0, splitpos);
}
vevent = "BEGIN:VEVENT\n" + vevent + "END:VEVENT";
let icsService = cal.getIcsService();
let rootComp = icsService.parseICS(vevent, gdataTimezoneService);
let i = 0;
let hasRecurringRules = false;
for (let prop in cal.ical.propertyIterator(rootComp)) {
switch (prop.propertyName) {
case "EXDATE":
let recItem = Components.classes["@mozilla.org/calendar/recurrence-date;1"]
.createInstance(Components.interfaces.calIRecurrenceDate);
try {
recItem.icalProperty = prop;
item.recurrenceInfo.appendRecurrenceItem(recItem);
hasRecurringRules = true;
} catch (e) {
Components.utils.reportError(e);
}
break;
case "RRULE":
let recRule = cal.createRecurrenceRule();
try {
recRule.icalProperty = prop;
item.recurrenceInfo.appendRecurrenceItem(recRule);
hasRecurringRules = true;
} catch (e) {
Components.utils.reportError(e);
}
break;
case "DTSTART":
item.startDate = prop.valueAsDatetime;
break;
case "DTEND":
item.endDate = prop.valueAsDatetime;
break;
}
}
if (!hasRecurringRules) {
// Sometimes Google gives us events that have <gd:recurrence>
// but contain no recurrence rules. Treat the event as a normal
// event. See gdata issue 353.
item.recurrenceInfo = null;
}
// gd:reminder (for recurring events)
// This element is supplied as a direct child to the <entry> element
// for recurring items.
parseReminders(gdataXPath(aXMLEntry, 'gd:reminder'));
}
// gd:recurrenceException
let exceptions = gdataXPath(aXMLEntry, 'gd:recurrenceException[@specialized="true"]/gd:entryLink/atom:entry');
for each (let exception in exceptions) {
// We only want specialized exceptions, mainly becuase I haven't
// quite found out if a non-specialized exception also corresponds
// to a normal exception as libical knows it.
let excItem = XMLEntryToItem(exception, aTimezone, aCalendar);
// Google uses the status field to reflect negative exceptions.
if (excItem.status == "CANCELED") {
item.recurrenceInfo.removeOccurrenceAt(excItem.recurrenceId);
} else {
excItem.calendar = aCalendar.superCalendar;
item.recurrenceInfo.modifyException(excItem, true);
}
}
// gd:extendedProperty (alarmLastAck)
item.alarmLastAck = cal.fromRFC3339(getExtendedProperty("X-MOZ-LASTACK"), aTimezone);
// gd:extendedProperty (snooze time)
let dtSnoozeTime = cal.fromRFC3339(getExtendedProperty("X-MOZ-SNOOZE-TIME"), aTimezone);
let snoozeProperty = (dtSnoozeTime ? dtSnoozeTime.icalString : null);
item.setProperty("X-MOZ-SNOOZE-TIME", snoozeProperty);
// gd:extendedProperty (snooze recurring alarms)
if (item.recurrenceInfo) {
// Transform back the string into our snooze properties
let snoozeObj;
try {
let snoozeString = getExtendedProperty("X-GOOGLE-SNOOZE-RECUR");
snoozeObj = JSON.parse(snoozeString);
} catch (e) {
// Just swallow parsing errors, not so important.
}
if (snoozeObj) {
for (let rid in snoozeObj) {
item.setProperty("X-MOZ-SNOOZE-TIME-" + rid,
snoozeObj[rid]);
}
}
}
// gd:where
item.setProperty("LOCATION", gdataXPathFirst(aXMLEntry, 'gd:where/@valueString'));
// gd:who
if (cal.getPrefSafe("calendar.google.enableAttendees", false)) {
// XXX Only parse attendees if they are enabled, due to bug 407961
// This object can easily translate Google's values to our values.
const attendeeStatusMap = {
// role
"event.optional": "OPT-PARTICIPANT",
"event.required": "REQ-PARTICIPANT",
// Participation Statii
"event.accepted": "ACCEPTED",
"event.declined": "DECLINED",
"event.invited": "NEEDS-ACTION",
"event.tentative": "TENTATIVE"
};
// Clear all attendees in case a reference item was passed
item.removeAllAttendees();
// Iterate all attendee tags.
for each (let who in gdataXPath(aXMLEntry, 'gd:who')) {
let attendee = cal.createAttendee();
let rel = who.getAttribute("rel").substring(33);
let type = gdataXPathFirst(who, 'gd:attendeeType/@value').substring(33);
let status = gdataXPathFirst(who, 'gd:attendeeStatus/@value').substring(33);
attendee.id = "mailto:" + who.getAttribute("email")
attendee.commonName = who.getAttribute("valueString");
attendee.rsvp = "FALSE";
attendee.userType = "INDIVIDUAL";
attendee.isOrganizer = (rel == "event.organizer");
attendee.participationStatus = attendeeStatusMap[status];
attendee.role = attendeeStatusMap[type]
attendee.makeImmutable();
if (attendee.isOrganizer) {
item.organizer = attendee;
} else {
item.addAttendee(attendee);
}
}
}
// gd:originalEvent
item.recurrenceId = getRecurrenceIdFromEntry(aXMLEntry, aTimezone);
// gd:visibility
item.privacy = gdataXPathFirst(aXMLEntry, "gd:visibility/@value").substring(39).toUpperCase();
// category
// Google does not support categories natively, but allows us to store
// data as an "extendedProperty", and here it's going to be retrieved
// again
let categories = cal.categoriesStringToArray(getExtendedProperty("X-MOZ-CATEGORIES"));
item.setCategories(categories.length, categories);
// published
let createdText = gdataXPathFirst(aXMLEntry, 'atom:published/text()');
item.setProperty("CREATED", cal.fromRFC3339(createdText, aTimezone).getInTimezone(cal.UTC()));
// updated (This must be set last!)
let lastmodText = gdataXPathFirst(aXMLEntry, 'atom:updated/text()');
item.setProperty("LAST-MODIFIED", cal.fromRFC3339(lastmodText, aTimezone).getInTimezone(cal.UTC()));
// XXX Google currently has no priority support. See
// http://code.google.com/p/google-gdata/issues/detail?id=52
// for details.
} catch (e) {
cal.ERROR("Error parsing XML stream" + e);
throw e;
}
return item;
}
/**
* Expand an item to occurrences, if the operation's item filter requests it.
* Otherwise returns the item in an array.
*
* @param aItem The item to expand
* @param aOperation The calIGoogleRequest that contains the filter and
* ranges.
* @return The (possibly expanded) items in an array.
*/
function expandItems(aItem, aOperation) {
let expandedItems;
if (aOperation.itemFilter &
Components.interfaces.calICalendar.ITEM_FILTER_CLASS_OCCURRENCES) {
expandedItems = aItem.getOccurrencesBetween(aOperation.itemRangeStart,
aOperation.itemRangeEnd,
{});
cal.LOG("[calGoogleCalendar] Expanded item " + aItem.title + " to " +
expandedItems.length + " items");
}
return expandedItems || [aItem];
}
/**
* Returns true if the exception passed is one that should cause the cache
* layer to retry the operation. This is usually a network error or other
* temporary error
*
* @param e The exception to check
*/
function isCacheException(e) {
// Stolen from nserror.h
const NS_ERROR_MODULE_NETWORK = 6;
function NS_ERROR_GET_MODULE(code) {
return (((code >> 16) - 0x45) & 0x1fff);
}
if (NS_ERROR_GET_MODULE(e.result) == NS_ERROR_MODULE_NETWORK &&
!Components.isSuccessCode(e.result)) {
// This is a network error, which most likely means we should
// retry it some time.
return true;
}
// Other potential errors we want to retry with
switch (e.result) {
case Components.results.NS_ERROR_NOT_AVAILABLE:
return true;
default:
return false;
}
}
/**
* Helper prototype to set a certain variable to the first item passed via get
* listener. Cleans up code.
*/
function syncSetter(aObj) {
this.mObj = aObj
}
syncSetter.prototype = {
onGetResult: function syncSetter_onGetResult(aCal,
aStatus,
aIID,
aDetail,
aCount,
aItems) {
this.mObj.value = aItems[0];
},
onOperationComplete: function syncSetter_onOperationComplete(aCal,
aStatus,
aOpType,
aId,
aDetail) {
if (!Components.isSuccessCode(aStatus)) {
this.mObj.value = null;
}
}
};
/**
* Helper function to create a timer in a context where window.setTimeout is not
* available
*
* @param aFunc The function to call when the timer fires
* @param aTimeout The timeout in milliseconds.
* @param aThis (optional) The |this| object to call the function with.
*/
function setTimeout(aFunc, aTimeout, aThis) {
let timerCallback = {
notify: function setTimeout_notify() {
aFunc.call(aThis);
}
};
let timer = Components.classes["@mozilla.org/timer;1"]
.createInstance(Components.interfaces.nsITimer);
timer.initWithCallback(timerCallback, aTimeout, timer.TYPE_ONE_SHOT);
}
/**
* LOGitem
* Custom logging functions
*/
function LOGitem(item) {
if (!item) {
return;
}
let attendees = item.getAttendees({});
let attendeeString = "";
for each (let a in attendees) {
attendeeString += "\n" + LOGattendee(a);
}
let rstr = "\n";
if (item.recurrenceInfo) {
let ritems = item.recurrenceInfo.getRecurrenceItems({});
for each (let ritem in ritems) {
rstr += "\t\t" + ritem.icalProperty.icalString;
}
rstr += "\tExceptions:\n";
let exids = item.recurrenceInfo.getExceptionIds({});
for each (let exc in exids) {
rstr += "\t\t" + exc + "\n";
}
}
let astr = "\n";
let alarms = item.getAlarms({});
for each (let alarm in alarms) {
astr += "\t\t" + LOGalarm(alarm) + "\n";
}
cal.LOG("[calGoogleCalendar] Logging calIEvent:" +
"\n\tid:" + item.id +
"\n\tediturl:" + item.getProperty("X-GOOGLE-EDITURL") +
"\n\tcreated:" + item.getProperty("CREATED") +
"\n\tupdated:" + item.getProperty("LAST-MODIFIED") +
"\n\ttitle:" + item.title +
"\n\tcontent:" + item.getProperty("DESCRIPTION") +
"\n\ttransparency:" + item.getProperty("TRANSP") +
"\n\tstatus:" + item.status +
"\n\tstartTime:" + item.startDate.toString() +
"\n\tendTime:" + item.endDate.toString() +
"\n\tlocation:" + item.getProperty("LOCATION") +
"\n\tprivacy:" + item.privacy +
"\n\tsequence:" + item.getProperty("SEQUENCE") +
"\n\talarmLastAck:" + item.alarmLastAck +
"\n\tsnoozeTime:" + item.getProperty("X-MOZ-SNOOZE-TIME") +
"\n\tisOccurrence: " + (item.recurrenceId != null) +
"\n\tOrganizer: " + LOGattendee(item.organizer) +
"\n\tAttendees: " + attendeeString +
"\n\trecurrence: " + (rstr.length > 1 ? "yes: " + rstr : "no") +
"\n\talarms: " + (astr.length > 1 ? "yes: " + astr : "no"));
}
function LOGattendee(aAttendee, asString) {
return aAttendee &&
("\n\t\tID: " + aAttendee.id +
"\n\t\t\tName: " + aAttendee.commonName +
"\n\t\t\tRsvp: " + aAttendee.rsvp +
"\n\t\t\tIs Organizer: " + (aAttendee.isOrganizer ? "yes" : "no") +
"\n\t\t\tRole: " + aAttendee.role +
"\n\t\t\tStatus: " + aAttendee.participationStatus);
}
function LOGalarm(aAlarm) {
if (!aAlarm) {
return "";
}
let enumerator = aAlarm.propertyEnumerator;
let xpropstr = "";
while (enumerator.hasMoreElements()) {
let el = enumerator.getNext();
xpropstr += "\n\t\t\t" + el.key + ":" + el.value;
}
return ("\n\t\tAction: " + aAlarm.action +
"\n\t\tOffset: " + (aAlarm.offset && aAlarm.offset.toString()) +
"\n\t\talarmDate: " + (aAlarm.alarmDate && aAlarm.alarmDate.toString()) +
"\n\t\trelated: " + aAlarm.related +
"\n\t\trepeat: " + aAlarm.repeat +
"\n\t\trepeatOffset: " + (aAlarm.repeatOffset && aAlarm.repeatOffset.toString()) +
"\n\t\trepeatDate: " + (aAlarm.repeatDate && aAlarm.repeatDate.toString()) +
"\n\t\tdescription: " + aAlarm.description +
"\n\t\tsummary: " + aAlarm.summary +
"\n\t\tproperties: " + (xpropstr.length > 0 ? "yes:" + xpropstr : "no"));
}
function LOGinterval(aInterval) {
const fbtypes = Components.interfaces.calIFreeBusyInterval;
if (aInterval.freeBusyType == fbtypes.FREE) {
type = "FREE";
} else if (aInterval.freeBusyType == fbtypes.BUSY) {
type = "BUSY";
} else {
type = aInterval.freeBusyType + "(UNKNOWN)";
}
cal.LOG("[calGoogleCalendar] Interval from " +
aInterval.interval.start + " to " + aInterval.interval.end +
" is " + type);
}
|