/**
* Render a template html.
*
* @param string $template path of the template
* @param array $params parameters to pass to the template (using extract function)
* @param boolean $echo if true echo the content else return it
*
* @return string|void if echo
*/
public function render($template, $params = array(), $echo = false)
{
if (!is_file($template)) {
throw new \InvalidArgumentException('The $template parameter must be a valid file path.');
}
/*
* Template system to add in wordpress
*
$path = locate_template('facebook-awd/'.$template, false, false);
if(empty($path))
$path = dirname(__FILE__) . '/inc/templates/'.$template;
*/
$ptd = null;
extract($params);
if (!$ptd) {
$ptd = $this->container->getPtd();
}
ob_start();
include $template;
$content = ob_get_contents();
ob_end_clean();
if ($echo) {
echo $content;
}
return $content;
}
/**
* Get the parent identifier
*
* @return string
*/
public function getParent()
{
if (!$this->container) {
return null;
}
return $this->container->getSlug();
}
/**
* Determine the current provider that match the current request.
*
* @return FacebookRedirectLoginHelper
*/
protected function determineCurrentProvider()
{
$providers = $this->container->get($this->container->getSlug() . '.providers');
foreach ($providers as $provider) {
if ($provider instanceof FacebookSignedRequestFromInputHelper) {
/* if ($origin == 'https://apps.facebook.com' && $provider instanceof FacebookCanvasLoginHelper) {
}
if ($origin == 'https://apps.facebook.com' && $provider instanceof FacebookCanvasLoginHelper) {
} */
//choose between canvas and page tab.
//if this provider is a pagetab helper, without page data, pass it to the canvas.
if ($provider instanceof FacebookPageTabHelper && !$provider->getPageId()) {
continue;
}
$rs = $provider->getRawSignedRequest();
if ($rs) {
return $provider;
}
}
//this provider should always be default as last in the array
if ($provider instanceof FacebookRedirectLoginHelper) {
return $provider;
}
}
}
