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- /* -*- 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 Oracle Corporation code.
- *
- * The Initial Developer of the Original Code is Oracle Corporation
- * Portions created by the Initial Developer are Copyright (C) 2005
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- * Stuart Parmenter <stuart.parmenter@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 ***** */
-
-
- const kStorageServiceContractID = "@mozilla.org/storage/service;1";
- const kStorageServiceIID = Components.interfaces.mozIStorageService;
-
- const kMozStorageStatementWrapperContractID = "@mozilla.org/storage/statement-wrapper;1";
- const kMozStorageStatementWrapperIID = Components.interfaces.mozIStorageStatementWrapper;
- var MozStorageStatementWrapper = null;
-
- function createStatement (dbconn, sql) {
- var stmt = dbconn.createStatement(sql);
- var wrapper = MozStorageStatementWrapper();
- wrapper.initialize(stmt);
- return wrapper;
- }
-
- function onCalCalendarManagerLoad() {
- MozStorageStatementWrapper = new Components.Constructor(kMozStorageStatementWrapperContractID, kMozStorageStatementWrapperIID);
- }
-
- function calCalendarManager() {
- this.wrappedJSObject = this;
- this.initDB();
- this.mCache = {};
- this.setUpReadOnlyObservers();
- }
-
- function makeURI(uriString)
- {
- var ioservice = Components.classes["@mozilla.org/network/io-service;1"].getService(Components.interfaces.nsIIOService);
- return ioservice.newURI(uriString, null, null);
- }
-
- var calCalendarManagerClassInfo = {
- getInterfaces: function (count) {
- var ifaces = [
- Components.interfaces.nsISupports,
- Components.interfaces.calICalendarManager,
- Components.interfaces.nsIClassInfo
- ];
- count.value = ifaces.length;
- return ifaces;
- },
-
- getHelperForLanguage: function (language) {
- return null;
- },
-
- contractID: "@mozilla.org/calendar/manager;1",
- classDescription: "Calendar Manager",
- classID: Components.ID("{f42585e7-e736-4600-985d-9624c1c51992}"),
- implementationLanguage: Components.interfaces.nsIProgrammingLanguage.JAVASCRIPT,
- flags: 0
- };
-
- calCalendarManager.prototype = {
- QueryInterface: function (aIID) {
- if (aIID.equals(Components.interfaces.nsIClassInfo))
- return calCalendarManagerClassInfo;
-
- if (!aIID.equals(Components.interfaces.nsISupports) &&
- !aIID.equals(Components.interfaces.calICalendarManager))
- {
- throw Components.results.NS_ERROR_NO_INTERFACE;
- }
-
- return this;
- },
-
- // When a calendar fails, its onError doesn't point back to the calendar.
- // Therefore, we add a new announcer for each calendar to tell the user that
- // a specific calendar has failed. The calendar itself is responsible for
- // putting itself in readonly mode.
- setUpReadOnlyObservers: function() {
- var calendars = this.getCalendars({});
- for each(calendar in calendars) {
- var newObserver = new errorAnnouncer(calendar);
- calendar.addObserver(newObserver.observer);
- }
- },
-
- initDB: function() {
- var sqlTables = { cal_calendars: "id INTEGER PRIMARY KEY, type STRING, uri STRING",
- cal_calendars_prefs: "id INTEGER PRIMARY KEY, calendar INTEGER, name STRING, value STRING"
- };
-
- var dbService = Components.classes[kStorageServiceContractID].getService(kStorageServiceIID);
-
- if ( "getProfileStorage" in dbService ) {
- // 1.8 branch
- this.mDB = dbService.getProfileStorage("profile");
- } else {
- // trunk
- this.mDB = dbService.openSpecialDatabase("profile");
- }
-
- for (table in sqlTables) {
- try {
- this.mDB.createTable(table, sqlTables[table]);
- } catch (ex) {
- dump("error creating table " + table + " -- probably already exists\n");
- }
- }
-
- this.mSelectCalendars = createStatement (
- this.mDB,
- "SELECT oid,* FROM cal_calendars");
-
- this.mFindCalendar = createStatement (
- this.mDB,
- "SELECT id FROM cal_calendars WHERE type = :type AND uri = :uri");
-
- this.mRegisterCalendar = createStatement (
- this.mDB,
- "INSERT INTO cal_calendars (type, uri) " +
- "VALUES (:type, :uri)"
- );
-
- this.mUnregisterCalendar = createStatement (
- this.mDB,
- "DELETE FROM cal_calendars WHERE id = :id"
- );
-
- this.mGetPref = createStatement (
- this.mDB,
- "SELECT value FROM cal_calendars_prefs WHERE calendar = :calendar AND name = :name");
-
- this.mDeletePref = createStatement (
- this.mDB,
- "DELETE FROM cal_calendars_prefs WHERE calendar = :calendar AND name = :name");
-
- this.mInsertPref = createStatement (
- this.mDB,
- "INSERT INTO cal_calendars_prefs (calendar, name, value) " +
- "VALUES (:calendar, :name, :value)");
-
- this.mDeletePrefs = createStatement (
- this.mDB,
- "DELETE FROM cal_calendars_prefs WHERE calendar = :calendar");
-
- },
-
- findCalendarID: function(calendar) {
- var stmt = this.mFindCalendar;
- stmt.reset();
- var pp = stmt.params;
- pp.type = calendar.type;
- pp.uri = calendar.uri.spec;
-
- var id = -1;
- if (stmt.step()) {
- id = stmt.row.id;
- }
- stmt.reset();
- return id;
- },
-
- notifyObservers: function(functionName, args) {
- function notify(obs) {
- try { obs[functionName].apply(obs, args); }
- catch (e) { }
- }
- this.mObservers.forEach(notify);
- },
-
- /**
- * calICalendarManager interface
- */
- createCalendar: function(type, uri) {
- var calendar = Components.classes["@mozilla.org/calendar/calendar;1?type=" + type].createInstance(Components.interfaces.calICalendar);
- calendar.uri = uri;
- return calendar;
- },
-
- registerCalendar: function(calendar) {
- // bail if this calendar (or one that looks identical to it) is already registered
- if (this.findCalendarID(calendar) > 0) {
- dump ("registerCalendar: calendar already registered\n");
- throw Components.results.NS_ERROR_FAILURE;
- }
-
- // Add an observer to track readonly-mode triggers
- var newObserver = new errorAnnouncer(calendar);
- calendar.addObserver(newObserver.observer);
-
- var pp = this.mRegisterCalendar.params;
- pp.type = calendar.type;
- pp.uri = calendar.uri.spec;
-
- this.mRegisterCalendar.step();
- this.mRegisterCalendar.reset();
- //dump("adding [" + this.mDB.lastInsertRowID + "]\n");
- //this.mCache[this.mDB.lastInsertRowID] = calendar;
- this.mCache[this.findCalendarID(calendar)] = calendar;
-
- this.notifyObservers("onCalendarRegistered", [calendar]);
- },
-
- unregisterCalendar: function(calendar) {
- this.notifyObservers("onCalendarUnregistering", [calendar]);
-
- var calendarID = this.findCalendarID(calendar);
-
- var pp = this.mUnregisterCalendar.params;
- pp.id = calendarID;
- this.mUnregisterCalendar.step();
- this.mUnregisterCalendar.reset();
-
- // delete prefs for the calendar too
- pp = this.mDeletePrefs.params;
- pp.calendar = calendarID;
- this.mDeletePrefs.step();
- this.mDeletePrefs.reset();
-
- delete this.mCache[calendarID];
- },
-
- deleteCalendar: function(calendar) {
- /* check to see if calendar is unregistered first... */
- /* delete the calendar for good */
-
- this.notifyObservers("onCalendarDeleting", [calendar]);
- },
-
- getCalendars: function(count) {
- var calendars = [];
-
- var stmt = this.mSelectCalendars;
- stmt.reset();
-
- var newCalendarData = [];
-
- while (stmt.step()) {
- var id = stmt.row.id;
- if (!(id in this.mCache)) {
- newCalendarData.push ({id: id, type: stmt.row.type, uri: stmt.row.uri });
- }
- }
- stmt.reset();
-
- for each (var caldata in newCalendarData) {
- try {
- this.mCache[caldata.id] = this.createCalendar(caldata.type, makeURI(caldata.uri));
- } catch (e) {
- dump("Can't create calendar for " + caldata.id + " (" + caldata.type + ", " +
- caldata.uri + "): " + e + "\n");
- continue;
- }
- }
-
- for each (var cal in this.mCache)
- calendars.push (cal);
-
- count.value = calendars.length;
- return calendars;
- },
-
- getCalendarPref: function(calendar, name) {
- // pref names must be lower case
- name = name.toLowerCase();
-
- var stmt = this.mGetPref;
- stmt.reset();
- var pp = stmt.params;
- pp.calendar = this.findCalendarID(calendar);
- pp.name = name;
-
- var value = null;
- if (stmt.step()) {
- value = stmt.row.value;
- }
- stmt.reset();
- return value;
- },
-
- setCalendarPref: function(calendar, name, value) {
- // pref names must be lower case
- name = name.toLowerCase();
-
- var calendarID = this.findCalendarID(calendar);
-
- this.mDB.beginTransaction();
-
- var pp = this.mDeletePref.params;
- pp.calendar = calendarID;
- pp.name = name;
- this.mDeletePref.step();
- this.mDeletePref.reset();
-
- pp = this.mInsertPref.params;
- pp.calendar = calendarID;
- pp.name = name;
- pp.value = value;
- this.mInsertPref.step();
- this.mInsertPref.reset();
-
- this.mDB.commitTransaction();
-
- this.notifyObservers("onCalendarPrefSet", [calendar, name, value])
- },
-
- deleteCalendarPref: function(calendar, name) {
- // pref names must be lower case
- name = name.toLowerCase();
-
- this.notifyObservers("onCalendarPrefDeleting", [calendar, name]);
-
- var calendarID = this.findCalendarID(calendar);
-
- var pp = this.mDeletePref.params;
- pp.calendar = calendarID;
- pp.name = name;
- this.mDeletePref.step();
- this.mDeletePref.reset();
- },
-
- mObservers: Array(),
- addObserver: function(aObserver) {
- if (this.mObservers.indexOf(aObserver) != -1)
- return;
-
- this.mObservers.push(aObserver);
- },
-
- removeObserver: function(aObserver) {
- function notThis(v) {
- return v != aObserver;
- }
-
- this.mObservers = this.mObservers.filter(notThis);
- }
- };
-
- // This is a prototype object for announcing the fact that a calendar error has
- // happened and that the calendar has therefore been put in readOnly mode. We
- // implement a new one of these for each calendar registered to the calmgr.
- function errorAnnouncer(calendar) {
- this.calendar = calendar;
- // We compare this to determine if the state actually changed.
- this.storedReadOnly = calendar.readOnly;
- var announcer = this;
- this.observer = {
- onStartBatch: function() {},
- onEndBatch: function() {},
- onLoad: function() {},
- onAddItem: function(aItem) {},
- onModifyItem: function(aNewItem, aOldItem) {},
- onDeleteItem: function(aDeletedItem) {},
- onAlarm: function(aAlarmItem) {},
- onError: function(aErrNo, aMessage) {
- announcer.announceError(aErrNo, aMessage);
- }
- }
- }
-
- errorAnnouncer.prototype.announceError = function(aErrNo, aMessage) {
- var paramBlock = Components.classes["@mozilla.org/embedcomp/dialogparam;1"]
- .createInstance(Components.interfaces.nsIDialogParamBlock);
- var sbs = Components.classes["@mozilla.org/intl/stringbundle;1"]
- .getService(Components.interfaces.nsIStringBundleService);
- var props = sbs.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);
- }
- paramBlock.SetString(0, errMsg);
- paramBlock.SetString(1, "0x"+aErrNo.toString(16));
- paramBlock.SetString(2, aMessage);
-
- this.storedReadOnly = this.calendar.readOnly;
-
- var wWatcher = Components.classes["@mozilla.org/embedcomp/window-watcher;1"]
- .getService(Components.interfaces.nsIWindowWatcher);
- wWatcher.openWindow(null,
- "chrome://calendar/content/calErrorPrompt.xul",
- "_blank",
- "chrome,dialog=yes",
- paramBlock);
- }
-