# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1411855935 -7200
# Node ID dc2dbe0697209edc72f1e7f9973bec05646463a3
# Parent  cb3fe97b64f689f79aa8b55d3ab0645ace5d4636
Added LDAP directory searching via the address book service, obtaining calFbUrl
from the directory, if available.

diff -r cb3fe97b64f6 -r dc2dbe069720 modules/fburl.js
--- a/modules/fburl.js	Sat Sep 27 17:43:21 2014 +0200
+++ b/modules/fburl.js	Sun Sep 28 00:12:15 2014 +0200
@@ -5,6 +5,8 @@
 const Cu = Components.utils;
 
 Cu.import("resource://calendar/modules/calUtils.jsm");
+Cu.import("resource:///modules/mailServices.js");
+Cu.import("resource://gre/modules/XPCOMUtils.jsm");
 
 if ("undefined" == typeof(fburl)) {
     var fburl = {};
@@ -13,12 +15,17 @@
 const calIFreeBusyInterval = Ci.calIFreeBusyInterval;
 const calIDateTime = Ci.calIDateTime;
 
-const fbUrlProviderClassID = Components.ID("{11291d94-b457-4322-bfba-ae9df4b6a3c1}");
-
-fburl.fbUrlProvider = function(cal) { this.cal = cal; };
+fburl.fbUrlProvider = function(cal) {
+    this.cal = cal;
+    this._query = null;
+    this._context = null;
+    this._result = null;
+    this._searched = false;
+    this._error = null;
+};
 
 fburl.fbUrlProvider.prototype = {
-    classID: fbUrlProviderClassID,
+    classID: Components.ID("{11291d94-b457-4322-bfba-ae9df4b6a3c1}"),
 
     getFreeBusyIntervals: function (aCalId, aRangeStart, aRangeEnd, aBusyTypes, aListener) {
 
@@ -32,9 +39,84 @@
                                         start, end);
         periods.push(interval);
         aListener.onResult(null, periods);
-    }
+    },
+
+    getLDAPAddressBooks: function () {
+
+        var abManager = Cc["@mozilla.org/abmanager;1"].getService(Ci.nsIAbManager);
+        var allAddressBooks = abManager.directories;
+        var books = [];
+
+        while (allAddressBooks.hasMoreElements()) {
+            var addressBook = allAddressBooks.getNext().QueryInterface(Ci.nsIAbDirectory);
+            if (addressBook instanceof Ci.nsIAbLDAPDirectory) {
+                books.push(addressBook);
+            }
+        }
+
+        return books;
+    },
+
+    startSearch: function (aCalId) {
+
+        var service = Cc["@mozilla.org/network/ldap-service;1"].getService(Ci.nsILDAPService);
+        var books = this.getLDAPAddressBooks();
+
+        this._result = null;
+        aCalId = aCalId.replace(/^mailto:/i, "");
+
+        for each (var book in books) {
+            var ldap = book.QueryInterface(Ci.nsIAbLDAPDirectory);
+            var attrmap = Cc["@mozilla.org/addressbook/ldap-attribute-map;1"].createInstance(Ci.nsIAbLDAPAttributeMap);
+            var args = Cc["@mozilla.org/addressbook/directory/query-arguments;1"].createInstance(Ci.nsIAbDirectoryQueryArguments);
+
+            attrmap.setAttributeList("PrimaryEmail", "mail", true);
+            attrmap.setAttributeList("FBURL", "calFbUrl", true);
+            args.filter = service.createFilter(aCalId.length * 2, "(%a=%v)", "", "", "mail", aCalId);
+            args.typeSpecificArg = attrmap;
+            args.querySubDirectories = true;
+
+            this._query = Cc["@mozilla.org/addressbook/ldap-directory-query;1"].createInstance(Ci.nsIAbDirectoryQuery);
+            this._context = this._query.doQuery(ldap, args, this, ldap.maxHits, 0);
+            this._searched = true;
+
+            // NOTE: Do only one query for now.
+
+            break;
+        }
+    },
+
+    stopSearch: function stopSearch() {
+        if (this._context) {
+            this._query.stopQuery(this._context);
+            this._context = null;
+        }
+    },
+
+    onSearchFinished: function (aResult, aErrorMsg) {
+        this._context = null;
+        this._error = aErrorMsg;
+    },
+
+    onSearchFoundCard: function (aCard) {
+
+        // NOTE: Will eventually use this to retrieve the free/busy document,
+        // NOTE: extract the intervals, and then notify the listener.
+
+        this._result = aCard;
+    },
+
+    QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver, Ci.nsIAbDirSearchListener])
 };
 
 fburl.initProvider = function() {
     cal.getFreeBusyService().addProvider(new fburl.fbUrlProvider(cal));
 }
+
+fburl.test = function(aCalId) {
+    var fbp = new fburl.fbUrlProvider(cal);
+    fbp.startSearch(aCalId);
+    return fbp;
+}
+
+const NSGetFactory = XPCOMUtils.generateNSGetFactory([fburl.fbUrlProvider]);