/**
* Determines if the property specified has been ghosted by the client.
* A ghosted property 1) IS listed in the supported list and 2) NOT
* present in the current message. If it's IN the supported list and NOT
* in the current message, then it IS ghosted and the server should keep
* the field's current value when performing any change action due to this
* message.
*
* @param string $property The property to check
*
* @return boolean
*/
public function isGhosted($property)
{
$isGhosted = parent::isGhosted($property);
if (!$isGhosted && $property == self::PICTURE && $this->_device->hasQuirk(Horde_ActiveSYnc_Device::QUIRK_NEEDS_SUPPORTED_PICTURE_TAG)) {
return true;
}
return $isGhosted;
}
/**
* Determines if the property specified has been ghosted by the client.
* A property is ghosted if it is NOT listed in the SUPPORTED list sent
* by the client AND is NOT present in the request data.
*
* @param string $property The property to check
* @param array $options An array of options:
* - ignoreEmptyPictureTagCheck: boolean If true, will not check for the
* QUIRK_INCORRECTLY_SENDS_EMPTY_PICTURE_TAG quirk. @since 2.32.0
*
* @return boolean
*/
public function isGhosted($property, $options = array())
{
// MS-ASCMD 2.2.3.168:
// An empty SUPPORTED container indicates that ALL elements able to be
// ghosted ARE ghosted. A *missing* SUPPORTED tag indicates that NO
// fields are ghosted - any ghostable properties are always considered
// NOT ghosted. Some clients like iOS 4.x screw this up by not sending
// any SUPPORTED container and also not sending the picture field during
// edits.
if ($property == $this->_mapping[self::PICTURE][self::KEY_ATTRIBUTE]) {
if (empty($options['ignoreEmptyPictureTagCheck']) && $this->_device->hasQuirk(Horde_ActiveSync_Device::QUIRK_INCORRECTLY_SENDS_EMPTY_PICTURE_TAG) && (!empty($this->_exists[$property]) && $this->{$property} == '' || empty($this->_exists[$property]))) {
return true;
}
if (empty($this->_exists[$property]) && empty($this->_supported) && $this->_device->hasQuirk(Horde_ActiveSync_Device::QUIRK_NEEDS_SUPPORTED_PICTURE_TAG)) {
return true;
}
}
return parent::isGhosted($property);
}
/**
* Override parent class' method. In EAS 16.0, top level appointment
* properties are ALWAYS ghosted if they are not explicitly sent.
*
* @param string $property The property to check
*
* @return boolean
*/
public function isGhosted($property)
{
if ($this->_version >= Horde_ActiveSync::VERSION_SIXTEEN && empty($this->_exists[$property])) {
return true;
}
return parent::isGhosted($property);
}
