/usr/lib/thunderbird-addons/extensions/{e2fda1a4-762b-4020-b5ad-a41df1933103}/calendar-js/calCalendarManager.js is in xul-ext-lightning 1:24.4.0+build1-0ubuntu1.
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* 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://gre/modules/AddonManager.jsm");
Components.utils.import("resource://gre/modules/Services.jsm");
Components.utils.import("resource://calendar/modules/calUtils.jsm");
Components.utils.import("resource://calendar/modules/calProviderUtils.jsm");
const REGISTRY_BRANCH = "calendar.registry.";
const DB_SCHEMA_VERSION = 10;
function calCalendarManager() {
this.wrappedJSObject = this;
this.mObservers = new calListenerBag(Components.interfaces.calICalendarManagerObserver);
this.mCalendarObservers = new calListenerBag(Components.interfaces.calIObserver);
}
const calCalendarManagerClassID = Components.ID("{f42585e7-e736-4600-985d-9624c1c51992}");
const calCalendarManagerInterfaces = [
Components.interfaces.calICalendarManager,
Components.interfaces.calIStartupService,
Components.interfaces.nsIObserver,
];
calCalendarManager.prototype = {
classID: calCalendarManagerClassID,
QueryInterface: XPCOMUtils.generateQI(calCalendarManagerInterfaces),
classInfo: XPCOMUtils.generateCI({
classID: calCalendarManagerClassID,
contractID: "@mozilla.org/calendar/manager;1",
classDescription: "Calendar Manager",
interfaces: calCalendarManagerInterfaces,
flags: Components.interfaces.nsIClassInfo.SINGLETON
}),
get networkCalendarCount() this.mNetworkCalendarCount,
get readOnlyCalendarCount() this.mReadonlyCalendarCount,
get calendarCount() this.mCalendarCount,
// calIStartupService:
startup: function ccm_startup(aCompleteListener) {
AddonManager.addAddonListener(gCalendarManagerAddonListener);
this.checkAndMigrateDB();
this.mCache = null;
this.mCalObservers = null;
this.mRefreshTimer = {};
this.setupOfflineObservers();
if (cal.isSunbird()) {
this.loginMasterPassword();
}
this.mNetworkCalendarCount = 0;
this.mReadonlyCalendarCount = 0;
this.mCalendarCount = 0;
Services.obs.addObserver(this, "http-on-modify-request", false);
// We only add the observer if the pref is set and only check for the
// pref on startup to avoid checking for every http request
if (cal.getPrefSafe("calendar.network.multirealm", false)) {
Services.obs.addObserver(this, "http-on-examine-response", false);
}
aCompleteListener.onResult(null, Components.results.NS_OK);
},
shutdown: function ccm_shutdown(aCompleteListener) {
for each (var calendar in this.mCache) {
calendar.removeObserver(this.mCalObservers[calendar.id]);
}
this.cleanupOfflineObservers();
Services.obs.removeObserver(this, "http-on-modify-request");
AddonManager.removeAddonListener(gCalendarManagerAddonListener);
// Remove the observer if the pref is set. This might fail when the
// user flips the pref, but we assume he is going to restart anyway
// afterwards.
if (cal.getPrefSafe("calendar.network.multirealm", false)) {
Services.obs.removeObserver(this, "http-on-examine-response");
}
aCompleteListener.onResult(null, Components.results.NS_OK);
},
setupOfflineObservers: function ccm_setupOfflineObservers() {
Services.obs.addObserver(this, "network:offline-status-changed", false);
},
cleanupOfflineObservers: function ccm_cleanupOfflineObservers() {
Services.obs.removeObserver(this, "network:offline-status-changed");
},
loginMasterPassword: function ccm_loginMasterPassword() {
// Try to avoid the multiple master password prompts on startup scenario
// by prompting for the master password upfront.
let token = Components.classes["@mozilla.org/security/pk11tokendb;1"]
.getService(Components.interfaces.nsIPK11TokenDB)
.getInternalKeyToken();
// Only log in to the internal token if it is already initialized,
// otherwise we get a "Change Master Password" dialog.
try {
if (!token.needsUserInit) {
token.login(false);
}
} catch (ex) {
// If user cancels an exception is expected.
}
},
observe: function ccm_observe(aSubject, aTopic, aData) {
switch (aTopic) {
case "timer-callback":
// Refresh all the calendars that can be refreshed.
var cals = this.getCalendars({});
for each (var calendar in cals) {
if (!calendar.getProperty("disabled") && calendar.canRefresh) {
calendar.refresh();
}
}
break;
case "network:offline-status-changed":
for each (var calendar in this.mCache) {
if (calendar instanceof calCachedCalendar) {
calendar.onOfflineStatusChanged(aData == "offline");
}
}
break;
case "http-on-examine-response":
try {
let channel = aSubject.QueryInterface(Components.interfaces.nsIHttpChannel);
if (channel.notificationCallbacks) {
// We use the notification callbacks to get the calendar interface,
// which likely works for our requests since getInterface is called
// from the calendar provider context.
let authHeader = channel.getResponseHeader("WWW-Authenticate");
let calendar = channel.notificationCallbacks
.getInterface(Components.interfaces.calICalendar);
if (calendar && !calendar.getProperty("capabilities.realmrewrite.disabled")) {
// The provider may choose to explicitly disable the
// rewriting, for example if all calendars on a
// domain have the same credentials
let escapedName = calendar.name.replace('\\', '\\\\', 'g')
.replace('"','\\"', 'g');
authHeader = appendToRealm(authHeader, "(" + escapedName + ")");
channel.setResponseHeader("WWW-Authenticate", authHeader, false);
}
}
} catch (e if e.result == Components.results.NS_NOINTERFACE ||
e.result == Components.results.NS_ERROR_NOT_AVAILABLE) {
// Possible reasons we got here:
// - Its not a http channel (wtf? Oh well)
// - The owner is not a calICalendar (looks like its not our deal)
// - The WWW-Authenticate header is missing (thats ok)
}
break;
case "http-on-modify-request":
// Unfortunately, the ability to do this with a general pref has
// been removed. Calendar servers might still want to know what
// client is used for access, so add our UA String to each
// request.
let httpChannel = aSubject.QueryInterface(Components.interfaces.nsIHttpChannel);
try {
// NOTE: For some reason, this observer call doesn't have
// the "cal" namespace defined
let ua = httpChannel.getRequestHeader("User-Agent");
let calUAString = getPrefSafe("calendar.useragent.extra");
if (calUAString && ua.indexOf(calUAString) < 0) {
// User-Agent is not a mergeable header. We need to
// merge the user agent ourselves.
httpChannel.setRequestHeader("User-Agent",
ua + " " + calUAString,
false);
}
} catch (e if e.result == Components.results.NS_ERROR_NOT_AVAILABLE) {
// We swallow this error since it means the User Agent
// header is not set. We don't want to force it to be set.
}
break;
}
},
//
// DB migration code begins here
//
upgradeDB: function(oldVersion, db) {
// some common helpers
function addColumn(db_, tableName, colName, colType) {
db_.executeSimpleSQL("ALTER TABLE " + tableName + " ADD COLUMN " + colName + " " + colType);
}
if (oldVersion < 6) {
dump ("**** Upgrading calCalendarManager schema to 6\n");
// Schema changes in v6:
//
// - Change all STRING columns to TEXT to avoid SQLite's
// "feature" where it will automatically convert strings to
// numbers (ex: 10e4 -> 10000). See bug 333688.
// Create the new tables.
try {
db.executeSimpleSQL("DROP TABLE cal_calendars_v6; DROP TABLE cal_calendars_prefs_v6;");
} catch (e) {
// We should get exceptions for trying to drop tables
// that don't (shouldn't) exist.
}
db.executeSimpleSQL("CREATE TABLE cal_calendars_v6 " +
"(id INTEGER PRIMARY KEY," +
" type TEXT," +
" uri TEXT);");
db.executeSimpleSQL("CREATE TABLE cal_calendars_prefs_v6 " +
"(id INTEGER PRIMARY KEY," +
" calendar INTEGER," +
" name TEXT," +
" value TEXT);");
// Copy in the data.
var calendarCols = ["id", "type", "uri"];
var calendarPrefsCols = ["id", "calendar", "name", "value"];
db.executeSimpleSQL("INSERT INTO cal_calendars_v6(" + calendarCols.join(",") + ") " +
" SELECT " + calendarCols.join(",") +
" FROM cal_calendars");
db.executeSimpleSQL("INSERT INTO cal_calendars_prefs_v6(" + calendarPrefsCols.join(",") + ") " +
" SELECT " + calendarPrefsCols.join(",") +
" FROM cal_calendars_prefs");
// Delete each old table and rename the new ones to use the
// old tables' names.
var tableNames = ["cal_calendars", "cal_calendars_prefs"];
for (var i in tableNames) {
db.executeSimpleSQL("DROP TABLE " + tableNames[i] + ";" +
"ALTER TABLE " + tableNames[i] + "_v6 " +
" RENAME TO " + tableNames[i] + ";");
}
oldVersion = 8;
}
if (oldVersion < DB_SCHEMA_VERSION) {
dump ("**** Upgrading calCalendarManager schema to 9/10\n");
if (db.tableExists("cal_calmgr_schema_version")) {
// Set only once the last time to v10, so the version check works in calendar 0.8.
// In calendar 0.9 and following, the provider itself will check its version
// on initialization and notify the calendar whether it's usable or not.
db.executeSimpleSQL("UPDATE cal_calmgr_schema_version SET version = " + DB_SCHEMA_VERSION + ";");
} else {
// Schema changes in v9:
//
// - Decouple schema version from storage calendar
// Create the new tables.
db.executeSimpleSQL("CREATE TABLE cal_calmgr_schema_version (version INTEGER);");
db.executeSimpleSQL("INSERT INTO cal_calmgr_schema_version VALUES(" + DB_SCHEMA_VERSION + ")");
}
}
},
migrateDB: function calmgr_migrateDB(db) {
let selectCalendars = db.createStatement("SELECT * FROM cal_calendars");
let selectPrefs = db.createStatement("SELECT name, value FROM cal_calendars_prefs WHERE calendar = :calendar");
try {
let sortOrder = {};
while (selectCalendars.executeStep()) {
let id = cal.getUUID(); // use fresh uuids
cal.setPref(getPrefBranchFor(id) + "type", selectCalendars.row.type);
cal.setPref(getPrefBranchFor(id) + "uri", selectCalendars.row.uri);
// the former id served as sort position:
sortOrder[selectCalendars.row.id] = id;
// move over prefs:
selectPrefs.params.calendar = selectCalendars.row.id;
while (selectPrefs.executeStep()) {
let name = selectPrefs.row.name.toLowerCase(); // may come lower case, so force it to be
let value = selectPrefs.row.value;
switch (name) {
case "readonly":
cal.setPref(getPrefBranchFor(id) + "readOnly", value == "true");
break;
case "relaxedmode":
cal.setPref(getPrefBranchFor(id) + "relaxedMode", value == "true");
break;
case "suppressalarms":
cal.setPref(getPrefBranchFor(id) + "suppressAlarms", value == "true");
break;
case "disabled":
case "cache.supported":
case "auto-enabled":
case "cache.enabled":
case "lightning-main-in-composite":
case "calendar-main-in-composite":
case "lightning-main-default":
case "calendar-main-default":
cal.setPref(getPrefBranchFor(id) + name, value == "true");
break;
case "backup-time":
case "uniquenum":
cal.setPref(getPrefBranchFor(id) + name, Number(value));
break;
case "name":
cal.setLocalizedPref(getPrefBranchFor(id) + name, value);
break;
default: // keep as string
cal.setPref(getPrefBranchFor(id) + name, value);
break;
}
}
selectPrefs.reset();
}
let sortOrderAr = [];
for each (let s in sortOrder) {
sortOrderAr.push(s);
}
cal.setPref("calendar.list.sortOrder", sortOrderAr.join(" "));
flushPrefs();
} finally {
selectPrefs.reset();
selectCalendars.reset();
}
},
checkAndMigrateDB: function calmgr_checkAndMigrateDB() {
let storageSdb = Services.dirsvc.get("ProfD", Components.interfaces.nsILocalFile);
storageSdb.append("storage.sdb");
let db = Services.storage.openDatabase(storageSdb);
db.beginTransactionAs(Components.interfaces.mozIStorageConnection.TRANSACTION_EXCLUSIVE);
try {
if (db.tableExists("cal_calendars_prefs")) {
// Check if we need to upgrade:
let version = this.getSchemaVersion(db);
//cal.LOG("*** Calendar schema version is: " + version);
if (version < DB_SCHEMA_VERSION) {
this.upgradeDB(version, db);
}
this.migrateDB(db);
db.executeSimpleSQL("DROP TABLE cal_calendars; " +
"DROP TABLE cal_calendars_prefs; " +
"DROP TABLE cal_calmgr_schema_version;");
}
if (!db.tableExists("cal_calendars")) {
// create dummy cal_calendars, so previous versions (pre 1.0pre) run into the schema check:
db.createTable("cal_calendars", "id INTEGER");
// let schema checks always fail, we cannot take the shared cal_calendar_schema_version:
db.createTable("cal_calmgr_schema_version", "version INTEGER");
db.executeSimpleSQL("INSERT INTO cal_calmgr_schema_version VALUES(" + (DB_SCHEMA_VERSION + 1) + ")");
db.commitTransaction();
} else {
db.rollbackTransaction();
}
} catch (exc) {
db.rollbackTransaction();
throw exc;
} finally {
db.close();
}
},
/**
* @return db schema version
* @exception various, depending on error
*/
getSchemaVersion: function calMgrGetSchemaVersion(db) {
var stmt;
var version = null;
var table;
if (db.tableExists("cal_calmgr_schema_version")) {
table = "cal_calmgr_schema_version";
} else {
// Fall back to the old schema table
table = "cal_calendar_schema_version";
}
try {
stmt = db.createStatement("SELECT version FROM " + table + " LIMIT 1");
if (stmt.executeStep()) {
version = stmt.row.version;
}
stmt.reset();
if (version !== null) {
// This is the only place to leave this function gracefully.
return version;
}
} catch (e) {
if (stmt) {
stmt.reset();
}
cal.ERROR("++++++++++++ calMgrGetSchemaVersion() error: " + db.lastErrorString);
Components.utils.reportError("Error getting calendar schema version! DB Error: " + db.lastErrorString);
throw e;
}
throw table + " SELECT returned no results";
},
//
// / DB migration code ends here
//
alertAndQuit: function cmgr_alertAndQuit() {
// If we're Lightning, we want to include the extension name
// in the error message rather than blaming Thunderbird.
var errorBoxTitle;
var errorBoxText;
var errorBoxButtonLabel;
var hostAppName = calGetString("brand", "brandShortName", null, "branding");
if (isSunbird()) {
errorBoxTitle = calGetString("calendar", "tooNewSchemaErrorBoxTitle", [hostAppName]);
errorBoxText = calGetString("calendar", "tooNewSchemaErrorBoxTextSunbird", [hostAppName]);
errorBoxButtonLabel = calGetString("calendar", "tooNewSchemaButtonQuit", [hostAppName]);
} else {
var calAppName = calGetString("lightning", "brandShortName", null, "lightning");
errorBoxTitle = calGetString("calendar", "tooNewSchemaErrorBoxTitle", [calAppName]);
errorBoxText = calGetString("calendar", "tooNewSchemaErrorBoxTextLightning", [calAppName, hostAppName]);
errorBoxButtonLabel = calGetString("calendar", "tooNewSchemaButtonRestart", [hostAppName]);
}
var promptSvc = Services.prompt;
var errorBoxButtonFlags = (promptSvc.BUTTON_POS_0 *
promptSvc.BUTTON_TITLE_IS_STRING +
promptSvc.BUTTON_POS_0_DEFAULT);
var choice = promptSvc.confirmEx(null,
errorBoxTitle,
errorBoxText,
errorBoxButtonFlags,
errorBoxButtonLabel,
null, // No second button text
null, // No third button text
null, // No checkbox
{ value: false }); // Unnecessary checkbox state
if (isSunbird()) {
Services.startup.quit(Components.interfaces.nsIAppStartup.eForceQuit);
} else {
// Disable Lightning
AddonManager.getAddonByID("{e2fda1a4-762b-4020-b5ad-a41df1933103}", function getLightningExt(aAddon) {
aAddon.userDisabled = true;
Services.startup.quit(Components.interfaces.nsIAppStartup.eRestart |
Components.interfaces.nsIAppStartup.eForceQuit);
});
}
},
/**
* calICalendarManager interface
*/
createCalendar: function cmgr_createCalendar(type, uri) {
try {
if (!Components.classes["@mozilla.org/calendar/calendar;1?type=" + type]) {
// Don't notify the user with an extra dialog if the provider
// interface is missing.
return null;
}
let calendar = Components.classes["@mozilla.org/calendar/calendar;1?type=" + type]
.createInstance(Components.interfaces.calICalendar);
calendar.uri = uri;
return calendar;
} catch (ex) {
let rc = ex;
let uiMessage = ex;
if (ex instanceof Components.interfaces.nsIException) {
rc = ex.result;
uiMessage = ex.message;
}
switch (rc) {
case Components.interfaces.calIErrors.STORAGE_UNKNOWN_SCHEMA_ERROR:
// For now we alert and quit on schema errors like we've done before:
this.alertAndQuit();
return;
case Components.interfaces.calIErrors.STORAGE_UNKNOWN_TIMEZONES_ERROR:
uiMessage = calGetString("calendar", "unknownTimezonesError", [uri.spec]);
break;
default:
uiMessage = calGetString("calendar", "unableToCreateProvider", [uri.spec]);
break;
}
// Log the original exception via error console to provide more debug info
cal.ERROR(ex);
// Log the possibly translated message via the UI.
let paramBlock = Components.classes["@mozilla.org/embedcomp/dialogparam;1"]
.createInstance(Components.interfaces.nsIDialogParamBlock);
paramBlock.SetNumberStrings(3);
paramBlock.SetString(0, uiMessage);
paramBlock.SetString(1, "0x" + rc.toString(0x10));
paramBlock.SetString(2, ex);
Services.ww.openWindow(null,
"chrome://calendar/content/calendar-error-prompt.xul",
"_blank",
"chrome,dialog=yes,alwaysRaised=yes",
paramBlock);
return null;
}
},
registerCalendar: function(calendar) {
this.assureCache();
// If the calendar is already registered, bail out
cal.ASSERT(!calendar.id || !(calendar.id in this.mCache),
"[calCalendarManager::registerCalendar] calendar already registered!",
true);
if (!calendar.id) {
calendar.id = cal.getUUID();
}
cal.setPref(getPrefBranchFor(calendar.id) + "type", calendar.type);
cal.setPref(getPrefBranchFor(calendar.id) + "uri", calendar.uri.spec);
if ((calendar.getProperty("cache.supported") !== false) &&
(calendar.getProperty("cache.enabled") ||
calendar.getProperty("cache.always"))) {
calendar = new calCachedCalendar(calendar);
}
this.setupCalendar(calendar);
flushPrefs();
if (!calendar.getProperty("disabled") && calendar.canRefresh) {
calendar.refresh();
}
this.notifyObservers("onCalendarRegistered", [calendar]);
},
setupCalendar: function cmgr_setupCalendar(calendar) {
this.mCache[calendar.id] = calendar;
// Add an observer to track readonly-mode triggers
var newObserver = new calMgrCalendarObserver(calendar, this);
calendar.addObserver(newObserver);
this.mCalObservers[calendar.id] = newObserver;
// Set up statistics
if (calendar.getProperty("requiresNetwork") !== false) {
this.mNetworkCalendarCount++;
}
if (calendar.readOnly) {
this.mReadonlyCalendarCount++;
}
this.mCalendarCount++;
// Set up the refresh timer
this.setupRefreshTimer(calendar);
},
setupRefreshTimer: function setupRefreshTimer(aCalendar) {
// Add the refresh timer for this calendar
let refreshInterval = aCalendar.getProperty("refreshInterval");
if (refreshInterval === null) {
// Default to 30 minutes, in case the value is missing
refreshInterval = 30;
}
this.clearRefreshTimer(aCalendar);
if (refreshInterval > 0) {
this.mRefreshTimer[aCalendar.id] =
Components.classes["@mozilla.org/timer;1"]
.createInstance(Components.interfaces.nsITimer);
this.mRefreshTimer[aCalendar.id]
.initWithCallback(new timerCallback(aCalendar),
refreshInterval * 60000,
Components.interfaces.nsITimer.TYPE_REPEATING_SLACK);
}
},
clearRefreshTimer: function clearRefreshTimer(aCalendar) {
if (aCalendar.id in this.mRefreshTimer &&
this.mRefreshTimer[aCalendar.id]) {
this.mRefreshTimer[aCalendar.id].cancel();
delete this.mRefreshTimer[aCalendar.id]
}
},
unregisterCalendar: function(calendar) {
this.notifyObservers("onCalendarUnregistering", [calendar]);
// calendar may be a calICalendar wrapper:
if (calendar.wrappedJSObject instanceof calCachedCalendar) {
calendar.wrappedJSObject.onCalendarUnregistering();
}
calendar.removeObserver(this.mCalObservers[calendar.id]);
Services.prefs.deleteBranch(getPrefBranchFor(calendar.id));
flushPrefs();
if (this.mCache) {
delete this.mCache[calendar.id];
}
if (calendar.readOnly) {
this.mReadonlyCalendarCount--;
}
if (calendar.getProperty("requiresNetwork") !== false) {
this.mNetworkCalendarCount--;
}
this.mCalendarCount--;
this.clearRefreshTimer(calendar);
},
deleteCalendar: function(calendar) {
/* check to see if calendar is unregistered first... */
/* delete the calendar for good */
if (this.mCache && (calendar.id in this.mCache)) {
throw "Can't delete a registered calendar";
}
this.notifyObservers("onCalendarDeleting", [calendar]);
// XXX This is a workaround for bug 351499. We should remove it once
// we sort out the whole "delete" vs. "unsubscribe" UI thing.
//
// We only want to delete the contents of calendars from local
// providers (storage and memory). Otherwise we may nuke someone's
// calendar stored on a server when all they really wanted to do was
// unsubscribe.
let wrappedCalendar = cal.wrapInstance(calendar, Components.interfaces.calICalendarProvider);
if (wrappedCalendar &&
(wrappedCalendar.type == "storage" || wrappedCalendar.type == "memory")) {
try {
wrappedCalendar.deleteCalendar(calendar, null);
} catch (e) {
Components.utils.reportError("error purging calendar: " + e);
}
}
},
getCalendarById: function cmgr_getCalendarById(aId) {
if (aId in this.mCache) {
return this.mCache[aId];
} else {
return null;
}
},
getCalendars: function cmgr_getCalendars(count) {
this.assureCache();
var calendars = [];
for each (var calendar in this.mCache) {
calendars.push(calendar);
}
count.value = calendars.length;
return calendars;
},
assureCache: function cmgr_assureCache() {
if (!this.mCache) {
this.mCache = {};
this.mCalObservers = {};
let allCals = {};
for each (let key in Services.prefs.getChildList(REGISTRY_BRANCH)) { // merge down all keys
allCals[key.substring(0, key.indexOf(".", REGISTRY_BRANCH.length))] = true;
}
for (let calBranch in allCals) {
let id = calBranch.substring(REGISTRY_BRANCH.length);
let ctype = cal.getPrefSafe(calBranch + ".type", null);
let curi = cal.getPrefSafe(calBranch + ".uri", null);
try {
if (!ctype || !curi) { // sanity check
Services.prefs.deleteBranch(calBranch + ".");
continue;
}
let uri = cal.makeURL(curi);
let calendar = this.createCalendar(ctype, uri);
if (calendar) {
calendar.id = id;
if (calendar.getProperty("auto-enabled")) {
calendar.deleteProperty("disabled");
calendar.deleteProperty("auto-enabled");
}
if ((calendar.getProperty("cache.supported") !== false) &&
(calendar.getProperty("cache.enabled") ||
calendar.getProperty("cache.always"))) {
calendar = new calCachedCalendar(calendar);
}
} else { // create dummy calendar that stays disabled for this run:
calendar = new calDummyCalendar(ctype);
calendar.id = id;
calendar.uri = uri;
// try to enable on next startup if calendar has been enabled:
if (!calendar.getProperty("disabled")) {
calendar.setProperty("auto-enabled", true);
}
calendar.setProperty("disabled", true);
}
this.setupCalendar(calendar);
} catch (exc) {
cal.ERROR("Can't create calendar for " + id + " (" + ctype + ", " + curi + "): " + exc);
}
}
// do refreshing in a second step, when *all* calendars are already available
// via getCalendars():
for each (let calendar in this.mCache) {
if (!calendar.getProperty("disabled") && calendar.canRefresh) {
calendar.refresh();
}
}
}
},
getCalendarPref_: function(calendar, name) {
cal.ASSERT(calendar, "Invalid Calendar!");
cal.ASSERT(calendar.id !== null, "Calendar id needs to be set!");
cal.ASSERT(name && name.length > 0, "Pref Name must be non-empty!");
let branch = (getPrefBranchFor(calendar.id) + name);
if ( name === "name" ) {
return cal.getLocalizedPref(branch, null);
}
return cal.getPrefSafe(branch, null);
},
setCalendarPref_: function(calendar, name, value) {
cal.ASSERT(calendar, "Invalid Calendar!");
cal.ASSERT(calendar.id !== null, "Calendar id needs to be set!");
cal.ASSERT(name && name.length > 0, "Pref Name must be non-empty!");
let branch = (getPrefBranchFor(calendar.id) + name);
// Delete before to allow pref-type changes:
Services.prefs.deleteBranch(branch);
if ( name === "name" ) {
cal.setLocalizedPref(branch, value);
} else {
cal.setPref(branch, value);
}
},
deleteCalendarPref_: function(calendar, name) {
cal.ASSERT(calendar, "Invalid Calendar!");
cal.ASSERT(calendar.id !== null, "Calendar id needs to be set!");
cal.ASSERT(name && name.length > 0, "Pref Name must be non-empty!");
Services.prefs.deleteBranch(getPrefBranchFor(calendar.id) + name);
},
mObservers: null,
addObserver: function(aObserver) this.mObservers.add(aObserver),
removeObserver: function(aObserver) this.mObservers.remove(aObserver),
notifyObservers: function(functionName, args) this.mObservers.notify(functionName, args),
mCalendarObservers: null,
addCalendarObserver: function(aObserver) this.mCalendarObservers.add(aObserver),
removeCalendarObserver: function(aObserver) this.mCalendarObservers.remove(aObserver),
notifyCalendarObservers: function(functionName, args) this.mCalendarObservers.notify(functionName, args)
};
function equalMessage(msg1, msg2) {
if (msg1.GetString(0) == msg2.GetString(0) &&
msg1.GetString(1) == msg2.GetString(1) &&
msg1.GetString(2) == msg2.GetString(2)) {
return true;
}
return false;
}
function calMgrCalendarObserver(calendar, calMgr) {
this.calendar = calendar;
// We compare this to determine if the state actually changed.
this.storedReadOnly = calendar.readOnly;
this.announcedMessages = [];
this.calMgr = calMgr;
}
calMgrCalendarObserver.prototype = {
calendar: null,
storedReadOnly: null,
calMgr: null,
QueryInterface: XPCOMUtils.generateQI([
Components.interfaces.nsIWindowMediatorListener,
Components.interfaces.calIObserver
]),
// calIObserver:
onStartBatch: function() this.calMgr.notifyCalendarObservers("onStartBatch", arguments),
onEndBatch: function() this.calMgr.notifyCalendarObservers("onEndBatch", arguments),
onLoad: function(calendar) this.calMgr.notifyCalendarObservers("onLoad", arguments),
onAddItem: function(aItem) this.calMgr.notifyCalendarObservers("onAddItem", arguments),
onModifyItem: function(aNewItem, aOldItem) this.calMgr.notifyCalendarObservers("onModifyItem", arguments),
onDeleteItem: function(aDeletedItem) this.calMgr.notifyCalendarObservers("onDeleteItem", arguments),
onError: function(aCalendar, aErrNo, aMessage) {
this.calMgr.notifyCalendarObservers("onError", arguments);
this.announceError(aCalendar, aErrNo, aMessage);
},
onPropertyChanged: function(aCalendar, aName, aValue, aOldValue) {
this.calMgr.notifyCalendarObservers("onPropertyChanged", arguments);
switch (aName) {
case "requiresNetwork":
this.calMgr.mNetworkCalendarCount += (aValue ? 1 : -1);
break;
case "readOnly":
this.calMgr.mReadonlyCalendarCount += (aValue ? 1 : -1);
break;
case "refreshInterval":
this.calMgr.setupRefreshTimer(aCalendar);
break;
case "cache.enabled":
this.changeCalendarCache.apply(this, arguments);
break;
case "disabled":
if (!aValue && aCalendar.canRefresh) {
aCalendar.refresh();
}
break;
}
},
changeCalendarCache: function(aCalendar, aName, aValue, aOldValue) {
aOldValue = aOldValue || false;
aValue = aValue || false;
if (aOldValue != aValue) {
// Try to find the current sort order
let sortOrderPref = cal.getPrefSafe("calendar.list.sortOrder", "").split(" ");
let initialSortOrderPos = null;
for (let i = 0; i < sortOrderPref.length; ++i) {
if (sortOrderPref[i] == aCalendar.id) {
initialSortOrderPos = i;
}
}
// Enabling or disabling cache on a calendar re-creates
// it so the registerCalendar call can wrap/unwrap the
// calCachedCalendar facade saving the user the need to
// restart Thunderbird and making sure a new Id is used.
this.calMgr.unregisterCalendar(aCalendar);
this.calMgr.deleteCalendar(aCalendar);
var newCal = this.calMgr.createCalendar(aCalendar.type,aCalendar.uri);
newCal.name = aCalendar.name;
// TODO: if properties get added this list will need to be adjusted,
// ideally we should add a "getProperties" method to calICalendar.idl
// to retrieve all non-transient properties for a calendar.
let propsToCopy = [ "color",
"disabled",
"auto-enabled",
"cache.enabled",
"refreshInterval",
"suppressAlarms",
"calendar-main-in-composite",
"calendar-main-default",
"readOnly",
"imip.identity.key"];
for each (let prop in propsToCopy ) {
newCal.setProperty(prop,
aCalendar.getProperty(prop));
}
if (initialSortOrderPos != null) {
newCal.setProperty("initialSortOrderPos",
initialSortOrderPos);
}
this.calMgr.registerCalendar(newCal);
} else {
if (aCalendar.wrappedJSObject instanceof calCachedCalendar) {
// any attempt to switch this flag will reset the cached calendar;
// could be useful for users in case the cache may be corrupted.
aCalendar.wrappedJSObject.setupCachedCalendar();
}
}
},
onPropertyDeleting: function(aCalendar, aName) {
this.onPropertyChanged(aCalendar, aName, false, true);
},
// Error announcer specific functions
announceError: function(aCalendar, aErrNo, aMessage) {
var paramBlock = Components.classes["@mozilla.org/embedcomp/dialogparam;1"]
.createInstance(Components.interfaces.nsIDialogParamBlock);
var props = Services.strings.createBundle("chrome://calendar/locale/calendar.properties");
var errMsg;
paramBlock.SetNumberStrings(3);
if (!this.storedReadOnly && this.calendar.readOnly) {
// Major errors change the calendar to readOnly
errMsg = props.formatStringFromName("readOnlyMode", [this.calendar.name], 1);
} else if (!this.storedReadOnly && !this.calendar.readOnly) {
// Minor errors don't, but still tell the user something went wrong
errMsg = props.formatStringFromName("minorError", [this.calendar.name], 1);
} else {
// The calendar was already in readOnly mode, but still tell the user
errMsg = props.formatStringFromName("stillReadOnlyError", [this.calendar.name], 1);
}
// When possible, change the error number into its name, to
// make it slightly more readable.
var errCode = "0x"+aErrNo.toString(16);
const calIErrors = Components.interfaces.calIErrors;
// Check if it is worth enumerating all the error codes.
if (aErrNo & calIErrors.ERROR_BASE) {
for (var err in calIErrors) {
if (calIErrors[err] == aErrNo) {
errCode = err;
}
}
}
var message;
switch (aErrNo) {
case calIErrors.CAL_UTF8_DECODING_FAILED:
message = props.GetStringFromName("utf8DecodeError");
break;
case calIErrors.ICS_MALFORMEDDATA:
message = props.GetStringFromName("icsMalformedError");
break;
case calIErrors.MODIFICATION_FAILED:
errMsg = calGetString("calendar", "errorWriting", [aCalendar.name]);
default:
message = aMessage;
}
paramBlock.SetString(0, errMsg);
paramBlock.SetString(1, errCode);
paramBlock.SetString(2, message);
this.storedReadOnly = this.calendar.readOnly;
var errorCode = calGetString("calendar","errorCode", [errCode]);
var errorDescription = calGetString("calendar","errorDescription", [message]);
var summary = errMsg + " " + errorCode + ". " + errorDescription;
// Log warnings in error console.
// Report serious errors in both error console and in prompt window.
var isSerious = (aErrNo == calIErrors.MODIFICATION_FAILED);
if (!isSerious) {
WARN(summary);
} else {
// Write error to console.
Components.utils.reportError(summary);
// silently don't do anything if this message already has
// been announced without being acknowledged.
if (this.announcedMessages.some(
function(element, index, array) {
return equalMessage(paramBlock, element);
})) {
return;
}
// this message hasn't been announced recently, remember the
// details of the message for future reference.
this.announcedMessages.push(paramBlock);
// Display in prompt window.
var promptWindow =
Services.ww.openWindow
(null, "chrome://calendar/content/calendar-error-prompt.xul",
"_blank", "chrome,dialog=yes,alwaysRaised=yes",
paramBlock);
// Will remove paramBlock from announced messages when
// promptWindow is closed. (Closing fires unloaded event, but
// promptWindow is also unloaded [to clean it?] before loading,
// so wait for detected load event before detecting unload event
// that signifies user closed this prompt window.)
var observer = this;
function awaitLoad(event) {
// #2 loaded, remove load listener
promptWindow.removeEventListener("load", awaitLoad, false);
function awaitUnload(event) {
// #4 unloaded (user closed prompt window),
// remove paramBlock and unload listener.
try {
// remove the message that has been shown from
// the list of all announced messages.
observer.announcedMessages =
observer.announcedMessages.filter(function(msg) {
return !equalMessage(msg, paramBlock);
});
promptWindow.removeEventListener("unload", awaitUnload,
false);
} catch (e) {
Components.utils.reportError(e);
}
}
// #3 add unload listener (wait for user to close promptWindow)
promptWindow.addEventListener("unload", awaitUnload, false);
}
// #1 add load listener
promptWindow.addEventListener("load", awaitLoad, false);
}
}
};
function calDummyCalendar(type) {
this.initProviderBase();
this.type = type;
}
calDummyCalendar.prototype = {
__proto__: cal.ProviderBase.prototype,
getProperty: function calDummyCalendar_getProperty(aName) {
switch (aName) {
case "force-disabled":
return true;
default:
return this.__proto__.__proto__.getProperty.apply(this, arguments);
}
}
};
function getPrefBranchFor(id) {
return (REGISTRY_BRANCH + id + ".");
}
/**
* Helper function to flush the preferences file. If the application crashes
* after a calendar has been created using the prefs registry, then the calendar
* won't show up. Writing the prefs helps counteract.
*/
function flushPrefs() {
Services.prefs.savePrefFile(null);
}
/**
* Callback object for the refresh timer. Should be called as an object, i.e
* let foo = new timerCallback(calendar);
*
* @param aCalendar The calendar to refresh on notification
*/
function timerCallback(aCalendar) {
this.notify = function refreshNotify(aTimer) {
if (!aCalendar.getProperty("disabled") && aCalendar.canRefresh) {
aCalendar.refresh();
}
}
}
var gCalendarManagerAddonListener = {
onDisabling: function(aAddon, aNeedsRestart) {
if (!this.queryUninstallProvider(aAddon)) {
// If the addon should not be disabled, then re-enable it.
aAddon.userDisabled = false;
}
},
onUninstalling: function(aAddon, aNeedsRestart) {
if (!this.queryUninstallProvider(aAddon)) {
// If the addon should not be uninstalled, then cancel the uninstall.
aAddon.cancelUninstall();
}
},
queryUninstallProvider: function(aAddon) {
const uri = "chrome://calendar/content/calendar-providerUninstall-dialog.xul";
const features = "chrome,titlebar,resizable,modal";
let calMgr = cal.getCalendarManager();
let affectedCalendars =
[ calendar for each (calendar in calMgr.getCalendars({}))
if (calendar.providerID == aAddon.id) ];
if (!affectedCalendars.length) {
// If no calendars are affected, then everything is fine.
return true;
}
let args = { shouldUninstall: false, extension: aAddon };
// Now find a window. The best choice would be the most recent
// addons window, otherwise the most recent calendar window, or we
// create a new toplevel window.
let win = Services.wm.getMostRecentWindow("Extension:Manager") ||
cal.getCalendarWindow();
if (win) {
win.openDialog(uri, "CalendarProviderUninstallDialog", features, args);
} else {
// Use the window watcher to open a parentless window.
Services.ww.openWindow(null, uri, "CalendarProviderUninstallWindow", features, args);
}
// Now that we are done, check if the dialog was accepted or canceled.
return args.shouldUninstall;
}
};
function appendToRealm(authHeader, appendStr) {
let isEscaped = false;
let idx = authHeader.search(/realm="(.*?)(\\*)"/);
if (idx > -1) {
let remain = authHeader.substr(idx + 7); idx += 7;
while (remain.length && !isEscaped) {
let m = remain.match(/(.*?)(\\*)"/);
idx += m[0].length;
isEscaped = ((m[2].length % 2) == 0);
if (!isEscaped) {
remain = remain.substr(m[0].length);
}
}
return authHeader.substr(0, idx - 1) + " " +
appendStr + authHeader.substr(idx - 1);
} else {
return authHeader;
}
}
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