Remote Synchronization (CardDAV) improvements:

now it supports address book url auto detection (and works with Google contacts, icloud and etc.)

rainloop/v/0.0.0/app/libraries/SabreForRainLoop/CardDAV/Property/SupportedAddressData.php

@@ -0,0 +1,72 @@
+<?php
+
+namespace SabreForRainLoop\CardDAV\Property;
+
+use SabreForRainLoop\DAV;
+use SabreForRainLoop\CardDAV;
+
+/**
+ * Supported-address-data property
+ *
+ * This property is a representation of the supported-address-data property
+ * in the CardDAV namespace.
+ *
+ * @copyright Copyright (C) 2007-2013 fruux GmbH (https://fruux.com/).
+ * @author Evert Pot (http://evertpot.com/)
+ * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
+ */
+class SupportedAddressData extends DAV\Property {
+
+    /**
+     * supported versions
+     *
+     * @var array
+     */
+    protected $supportedData = array();
+
+    /**
+     * Creates the property
+     *
+     * @param array|null $supportedData
+     */
+    public function __construct(array $supportedData = null) {
+
+        if (is_null($supportedData)) {
+            $supportedData = array(
+                array('contentType' => 'text/vcard', 'version' => '3.0'),
+                // array('contentType' => 'text/vcard', 'version' => '4.0'),
+            );
+        }
+
+       $this->supportedData = $supportedData;
+
+    }
+
+    /**
+     * Serializes the property in a DOMDocument
+     *
+     * @param DAV\Server $server
+     * @param \DOMElement $node
+     * @return void
+     */
+    public function serialize(DAV\Server $server,\DOMElement $node) {
+
+        $doc = $node->ownerDocument;
+
+        $prefix =
+            isset($server->xmlNamespaces[CardDAV\Plugin::NS_CARDDAV]) ?
+            $server->xmlNamespaces[CardDAV\Plugin::NS_CARDDAV] :
+            'card';
+
+        foreach($this->supportedData as $supported) {
+
+            $caldata = $doc->createElementNS(CardDAV\Plugin::NS_CARDDAV, $prefix . ':address-data-type');
+            $caldata->setAttribute('content-type',$supported['contentType']);
+            $caldata->setAttribute('version',$supported['version']);
+            $node->appendChild($caldata);
+
+        }
+
+    }
+
+}