diff options
| author | Zach Copley <zach@controlyourself.ca> | 2009-06-30 04:57:59 +0000 |
|---|---|---|
| committer | Zach Copley <zach@controlyourself.ca> | 2009-06-30 04:57:59 +0000 |
| commit | 13d5479a111ee31ac9747d36d6c7c905637f1d27 (patch) | |
| tree | 1e0e485ebd78300b0e590fd4d70892371c0d3ef2 /plugins/FBConnect | |
| parent | e00f433314722520871b0d42645909929223a662 (diff) | |
Only output Facebook namespace, scripts, css, etc. when strictly necessary
Diffstat (limited to 'plugins/FBConnect')
| -rw-r--r-- | plugins/FBConnect/FBConnectPlugin.php | 168 |
1 files changed, 112 insertions, 56 deletions
diff --git a/plugins/FBConnect/FBConnectPlugin.php b/plugins/FBConnect/FBConnectPlugin.php index 459a80282..ba5957974 100644 --- a/plugins/FBConnect/FBConnectPlugin.php +++ b/plugins/FBConnect/FBConnectPlugin.php @@ -69,84 +69,142 @@ class FBConnectPlugin extends Plugin // Add in xmlns:fb function onStartShowHTML($action) { - // XXX: Horrible hack to make Safari, FF2, and Chrome work with - // Facebook Connect. These browser cannot use Facebook's - // DOM parsing routines unless the mime type of the page is - // text/html even though Facebook Connect uses XHTML. This is - // A bug in Facebook Connect, and this is a temporary solution - // until they fix their JavaScript libs. - header('Content-Type: text/html'); - $action->extraHeaders(); + if ($this->requiresFB($action)) { - $action->startXML('html', - '-//W3C//DTD XHTML 1.0 Strict//EN', - 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd'); + // XXX: Horrible hack to make Safari, FF2, and Chrome work with + // Facebook Connect. These browser cannot use Facebook's + // DOM parsing routines unless the mime type of the page is + // text/html even though Facebook Connect uses XHTML. This is + // A bug in Facebook Connect, and this is a temporary solution + // until they fix their JavaScript libs. + header('Content-Type: text/html'); - $language = $action->getLanguage(); + $action->extraHeaders(); - $action->elementStart('html', - array('xmlns' => 'http://www.w3.org/1999/xhtml', - 'xmlns:fb' => 'http://www.facebook.com/2008/fbml', - 'xml:lang' => $language, - 'lang' => $language)); + $action->startXML('html', + '-//W3C//DTD XHTML 1.0 Strict//EN', + 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd'); - return false; + $language = $action->getLanguage(); + + $action->elementStart('html', + array('xmlns' => 'http://www.w3.org/1999/xhtml', + 'xmlns:fb' => 'http://www.facebook.com/2008/fbml', + 'xml:lang' => $language, + 'lang' => $language)); + + return false; + + } else { + + return true; + } } // Note: this script needs to appear in the <body> function onStartShowHeader($action) { - $apikey = common_config('facebook', 'apikey'); - $plugin_path = common_path('plugins/FBConnect'); - - $login_url = common_local_url('FBConnectAuth'); - $logout_url = common_local_url('logout'); - - // XXX: Facebook says we don't need this FB_RequireFeatures(), - // but we actually do, for IE and Safari. Gar. - - $html = sprintf('<script type="text/javascript"> - window.onload = function () { - FB_RequireFeatures( - ["XFBML"], - function() { - FB.Facebook.init("%s", "../xd_receiver.html"); - } - ); } - - function goto_login() { - window.location = "%s"; - } - - function goto_logout() { - window.location = "%s"; - } - </script>', $apikey, - $login_url, $logout_url); - - $action->raw($html); + if ($this->requiresFB($action)) { + + $apikey = common_config('facebook', 'apikey'); + $plugin_path = common_path('plugins/FBConnect'); + + $login_url = common_local_url('FBConnectAuth'); + $logout_url = common_local_url('logout'); + + // XXX: Facebook says we don't need this FB_RequireFeatures(), + // but we actually do, for IE and Safari. Gar. + + $html = sprintf('<script type="text/javascript"> + window.onload = function () { + FB_RequireFeatures( + ["XFBML"], + function() { + FB.Facebook.init("%s", "../xd_receiver.html"); + } + ); } + + function goto_login() { + window.location = "%s"; + } + + function goto_logout() { + window.location = "%s"; + } + </script>', $apikey, + $login_url, $logout_url); + + $action->raw($html); + } + } // Note: this script needs to appear as close as possible to </body> function onEndShowFooter($action) { + if ($this->requiresFB($action)) { - $action->element('script', - array('type' => 'text/javascript', - 'src' => 'http://static.ak.connect.facebook.com/js/api_lib/v0.4/FeatureLoader.js.php'), - ''); + $action->element('script', + array('type' => 'text/javascript', + 'src' => 'http://static.ak.connect.facebook.com/js/api_lib/v0.4/FeatureLoader.js.php'), + ''); + } } function onEndShowLaconicaStyles($action) { - $action->element('link', array('rel' => 'stylesheet', - 'type' => 'text/css', - 'href' => common_path('plugins/FBConnect/FBConnectPlugin.css'))); + + if ($this->requiresFB($action)) { + + $action->element('link', array('rel' => 'stylesheet', + 'type' => 'text/css', + 'href' => common_path('plugins/FBConnect/FBConnectPlugin.css'))); + } } + /** + * Does the Action we're plugged into require the FB Scripts? We only + * want to output FB namespace, scripts, CSS, etc. on the pages that + * really need them. + * + * @param Action the action in question + * + * @return boolean true + */ + + function requiresFB($action) { + + // If you're logged in w/FB Connect, you always need the FB stuff + + $fbuid = $this->loggedIn(); + + if (!empty($fbuid)) { + return true; + } + + // List of actions that require FB stuff + + $needy = array('FBConnectLoginAction', + 'FBConnectauthAction', + 'FBConnectSettingsAction'); + + if (in_array(get_class($action), $needy)) { + return true; + } + + return false; + + } + + /** + * Is the user currently logged in with FB Connect? + * + * @return mixed $fbuid the Facebook ID of the logged in user, or null + */ + function loggedIn() { $user = common_current_user(); @@ -170,8 +228,6 @@ class FBConnectPlugin extends Plugin $e->getMessage()); } - // Display Facebook Logged in indicator w/Facebook favicon - if ($fbuid > 0) { return $fbuid; } |