# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1411832601 -7200
# Node ID cb3fe97b64f689f79aa8b55d3ab0645ace5d4636

Finally, an extension that wants to load itself into Thunderbird/Icedove.

diff -r 000000000000 -r cb3fe97b64f6 chrome.manifest
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/chrome.manifest	Sat Sep 27 17:43:21 2014 +0200
@@ -0,0 +1,3 @@
+resource fburl modules/
+content fburl chrome/content/
+overlay chrome://messenger/content/messenger.xul  chrome://fburl/content/fburl-overlay.xul
diff -r 000000000000 -r cb3fe97b64f6 chrome/content/fburl-overlay.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/chrome/content/fburl-overlay.js	Sat Sep 27 17:43:21 2014 +0200
@@ -0,0 +1,3 @@
+Components.utils.import("resource://fburl/fburl.js");
+
+fburl.initProvider();
diff -r 000000000000 -r cb3fe97b64f6 chrome/content/fburl-overlay.xul
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/chrome/content/fburl-overlay.xul	Sat Sep 27 17:43:21 2014 +0200
@@ -0,0 +1,9 @@
+<?xml version="1.0"?>
+
+<overlay id="fburl-browser-overlay"
+  xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
+
+  <script type="application/x-javascript"
+    src="chrome://fburl/content/fburl-overlay.js" />
+
+</overlay>
diff -r 000000000000 -r cb3fe97b64f6 install.rdf
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/install.rdf	Sat Sep 27 17:43:21 2014 +0200
@@ -0,0 +1,32 @@
+<?xml version="1.0"?>
+
+<RDF xmlns="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+     xmlns:em="http://www.mozilla.org/2004/em-rdf#">
+
+  <Description about="urn:mozilla:install-manifest">
+    <em:id>fburl@boddie.org.uk</em:id>
+    <em:type>2</em:type>
+    <em:name>fburl</em:name>
+    <em:version>0.1</em:version>
+    <em:creator>Paul Boddie</em:creator>
+  
+    <em:targetApplication>
+      <Description>
+        <!-- Thunderbird -->
+        <em:id>{3550f703-e582-4d05-9a08-453d09bdfdc6}</em:id>
+        <em:minVersion>31.0</em:minVersion>
+        <em:maxVersion>*</em:maxVersion>
+      </Description>
+    </em:targetApplication>
+
+    <em:requires>
+      <Description>
+        <!-- Lightning -->
+        <em:id>{e2fda1a4-762b-4020-b5ad-a41df1933103}</em:id>
+        <em:minVersion>3.3</em:minVersion>
+        <em:maxVersion>*</em:maxVersion>
+      </Description>
+    </em:requires>
+
+  </Description>      
+</RDF>
diff -r 000000000000 -r cb3fe97b64f6 modules/fburl.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/modules/fburl.js	Sat Sep 27 17:43:21 2014 +0200
@@ -0,0 +1,40 @@
+var EXPORTED_SYMBOLS = [ "fburl" ];
+
+const Cc = Components.classes;
+const Ci = Components.interfaces;
+const Cu = Components.utils;
+
+Cu.import("resource://calendar/modules/calUtils.jsm");
+
+if ("undefined" == typeof(fburl)) {
+    var fburl = {};
+};
+
+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.prototype = {
+    classID: fbUrlProviderClassID,
+
+    getFreeBusyIntervals: function (aCalId, aRangeStart, aRangeEnd, aBusyTypes, aListener) {
+
+        var start = this.cal.createDateTime("20140923T100000Z");
+        var end = this.cal.createDateTime("20140923T120000Z");
+
+        var periods = [];
+        var interval = new this.cal.FreeBusyInterval(
+                                        aCalId,
+                                        calIFreeBusyInterval.BUSY, // fbType
+                                        start, end);
+        periods.push(interval);
+        aListener.onResult(null, periods);
+    }
+};
+
+fburl.initProvider = function() {
+    cal.getFreeBusyService().addProvider(new fburl.fbUrlProvider(cal));
+}