From c8b9bf7e68308af7f23daae660efeaa5f9dfe90b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Lehrke?= <jlehrke@noc.de>
Date: Sun, 15 Aug 2010 06:37:34 +0000
Subject: [PATCH] Improve iPhone iCal support

---
 calendar/inc/class.calendar_groupdav.inc.php | 13 +++++++++++--
 calendar/inc/class.calendar_hooks.inc.php    | 10 ++++++++++
 calendar/inc/class.calendar_ical.inc.php     | 15 +++++++++++++--
 phpgwapi/inc/class.groupdav_handler.inc.php  |  4 ++++
 4 files changed, 38 insertions(+), 4 deletions(-)

diff --git a/calendar/inc/class.calendar_groupdav.inc.php b/calendar/inc/class.calendar_groupdav.inc.php
index f2658e6acd..e4da86a4ff 100644
--- a/calendar/inc/class.calendar_groupdav.inc.php
+++ b/calendar/inc/class.calendar_groupdav.inc.php
@@ -867,6 +867,15 @@ error_log(__METHOD__."($path,,".array2string($start).") filter=".array2string($f
 	 */
 	static function extra_properties(array $props=array(), $displayname, $base_uri=null)
 	{
+		if (strlen($GLOBALS['egw_info']['user']['preferences']['calendar']['display_color']) == 9 &&
+			$GLOBALS['egw_info']['user']['preferences']['calendar']['display_color'][0] == '#')
+		{
+			$display_color = $GLOBALS['egw_info']['user']['preferences']['calendar']['display_color'];
+		}
+		else
+		{
+			$display_color = '#0040A0FF';
+		}
 		// calendar description
 		$props[] = HTTP_WebDAV_Server::mkprop(groupdav::CALDAV,'calendar-description',$displayname);
 		/*
@@ -903,7 +912,7 @@ error_log(__METHOD__."($path,,".array2string($start).") filter=".array2string($f
 		$props[] = HTTP_WebDAV_Server::mkprop(groupdav::CALDAV,'supported-calendar-data',array(
 			HTTP_WebDAV_Server::mkprop(groupdav::CALDAV,'calendar-data', array('content-type' => 'text/calendar', 'version'=> '2.0')),
 			HTTP_WebDAV_Server::mkprop(groupdav::CALDAV,'calendar-data', array('content-type' => 'text/x-calendar', 'version'=> '1.0'))));
-		$props[] = HTTP_WebDAV_Server::mkprop(groupdav::ICAL,'calendar-color','#0040A0FF'); // TODO: make it configurable
+		$props[] = HTTP_WebDAV_Server::mkprop(groupdav::ICAL,'calendar-color',$display_color);
 		//$props[] = HTTP_WebDAV_Server::mkprop(groupdav::CALENDARSERVER,'publish-url',array(
 		//	HTTP_WebDAV_Server::mkprop('href',$base_uri.'/calendar/')));
 
@@ -920,7 +929,7 @@ error_log(__METHOD__."($path,,".array2string($start).") filter=".array2string($f
 	{
 		$handler = new calendar_ical();
 		$handler->setSupportedFields('GroupDAV',$this->agent);
-		if ($this->debug > 1) error_log("ical Handler called:" . $this->agent);
+		if ($this->debug > 1) error_log("ical Handler called: " . $this->agent);
 		return $handler;
 	}
 }
diff --git a/calendar/inc/class.calendar_hooks.inc.php b/calendar/inc/class.calendar_hooks.inc.php
index 83970b3aa1..3b43983f11 100644
--- a/calendar/inc/class.calendar_hooks.inc.php
+++ b/calendar/inc/class.calendar_hooks.inc.php
@@ -409,6 +409,16 @@ class calendar_hooks
 				'xmlrpc' => True,
 				'admin'  => False
 			),
+			'display_color' => array(
+				'type'   => 'input',
+				'size'   => 9,
+				'label'  => 'Select a color for this calendar',
+				'name'   => 'display_color',
+				'help'   => 'The Apple iCal Apps use this color to display events from this calendar.',
+				'forced' => '#0040A0FF',
+				'xmlrpc' => True,
+				'admin'  => False
+			),
 			'default_private' => array(
 				'type'  => 'check',
 				'label' => 'Set new events to private',
diff --git a/calendar/inc/class.calendar_ical.inc.php b/calendar/inc/class.calendar_ical.inc.php
index 968a818c12..2cbc9b9e6c 100644
--- a/calendar/inc/class.calendar_ical.inc.php
+++ b/calendar/inc/class.calendar_ical.inc.php
@@ -619,8 +619,19 @@ class calendar_ical extends calendar_boupdate
 						$rrule = $rriter->generate_rrule($version);
 						if ($event['recur_enddate'])
 						{
-							$length = ($event['end'] - $event['start']) / 2;
-							$rrule['UNTIL']->modify($length . ' second');
+							if ($this->productManufacturer == 'groupdav' && $this->productName == 'iphone')
+							{
+								// Fix iPhone issue
+								$length = ($event['end'] - $event['start']);
+								$rrule['UNTIL']->modify($length . ' second');
+								$rrule['UNTIL']->setTime(23, 59, 59);
+							}
+							else
+							{
+								$length = ($event['end'] - $event['start']) / 2;
+								$rrule['UNTIL']->modify($length . ' second');
+							}
+							
 							if (!$tzid || $version != '1.0')
 							{
 								if (!isset(self::$tz_cache['UTC']))
diff --git a/phpgwapi/inc/class.groupdav_handler.inc.php b/phpgwapi/inc/class.groupdav_handler.inc.php
index 473398e5e5..b797699ab2 100644
--- a/phpgwapi/inc/class.groupdav_handler.inc.php
+++ b/phpgwapi/inc/class.groupdav_handler.inc.php
@@ -341,6 +341,7 @@ abstract class groupdav_handler
 			// identify the agent (GroupDAV client) from the HTTP_USER_AGENT header
 			$user_agent = strtolower($_SERVER['HTTP_USER_AGENT']);
 			foreach(array(
+				'iphone'			=> 'iphone',	// Apple iPhone iCal
 				'davkit'            => 'davkit',	// Apple iCal
 				'cfnetwork'			=> 'cfnetwork', // Apple Addressbook
 				'bionicmessage.net' => 'funambol',	// funambol GroupDAV connector from bionicmessage.net
@@ -372,6 +373,9 @@ abstract class groupdav_handler
 				}
 			}
 		}
+		
+		if ($debug) error_log(__METHOD__."GroupDAV client: $agent");
+		
 		return $agent;
 	}
 }