modules/fb/fb_connect.js


Drupal.behaviors.fb_connect = function(context) {
  // Sanity check.  Not sure when this can happen, but if it does we can't expect anything to work.
  if (typeof FB_RequireFeatures == 'undefined') {
    return;
  }

  // Tell Facebook to parse any XFBML elements found in the context.
  FB_RequireFeatures(['XFBML'], function() {
      $(context).each(function() {
          if ($(this).html()) {
            var elem = $(this).get(0);
            //alert('fb_connect: ' + elem + $(elem).html()); // debug
            FB.XFBML.Host.parseDomElement(elem);

            // Respect fb_connect classes on new content.
            $('.fb_connect_show', context).show();
            $('.fb_connect_hide', context).hide();
          }
        });
    });

  // Support for easy fbml popup markup which degrades when javascript not enabled.
  // Markup is subject to change.  Currently...
  // <div class=fb_connect_fbml_popup_wrap><a title="POPUP TITLE">LINK MARKUP</a><div class=fb_connect_fbml_popup><fb:SOME FBML>...</fb:SOME FBML><div></div>
  $('.fb_connect_fbml_popup:not(.fb_connect_fbml_popup-processed)', context).addClass('fb_connect_fbml_popup-processed').prev().each(
    function() {
      this.fbml_popup = $(this).next().html();
      this.fbml_popup_width = parseInt($(this).next().attr('width'));
      this.fbml_popup_height = parseInt($(this).next().attr('height'));
      //alert("stored fbml_popup markup: " + this.fbml_popup); // debug
      $(this).next().remove(); // Remove FBML so facebook does not expand it.
    })
  // Handle clicks on the link element.
  .bind('click', 
        function (e) {
          //alert('Clicked!  Will show ' + this.fbml_popup); // debug
          popup = new FB.UI.FBMLPopupDialog($(this).attr('title'), this.fbml_popup);
          if (this.fbml_popup_width) {
            popup.setContentWidth(this.fbml_popup_width);
          }
          if (this.fbml_popup_height) {
            popup.setContentHeight(this.fbml_popup_height);
          }
          popup.set_placement(FB.UI.PopupPlacement.topCenter);
          popup.show();
          e.preventDefault();      
        })
  .parent().show();
  
};


// The following functions help us keep track of when a user is logged into Facebook Connect.
FB_Connect = function(){};

// Global to keep track of connected state.  Better than facebook's 'reloadIfSessionStateChanged' option.
FB_Connect.fbu = null;

FB_Connect.statusHandle = function(e, data) {
  if (data.changed) {
    // Status has changed, user has logged in or logged out.
    window.location.reload();
  }
};

FB_Connect.execute_javascript = function() {
  var url = '/fb_connect/js';
  $.post(url, null, function(eval_me) {
      if (eval_me) {
        eval(eval_me);
      }
    });
};

FB_Connect.on_connected = function(fbu) {
  //alert("FB_Connect.on_connected " + fbu + " settings fbu is " + Drupal.settings.fb_connect.fbu + " FB_Connect.fbu is " + FB_Connect.fbu);
  var status = {'changed': false, 'fbu': fbu};
  if (FB_Connect.fbu === 0 || Drupal.settings.fb_connect.fbu != fbu) {
    status.changed = true;
  }
  FB_Connect.fbu = fbu;
  $.event.trigger('fb_connect_status', status);
}

FB_Connect.on_not_connected = function() {
  //alert("FB_Connect.on_not_connected, settings fbu is " + Drupal.settings.fb_connect.fbu);
  var status = {'changed': false, 'fbu': 0};
  if (FB_Connect.fbu > 0 || Drupal.settings.fb_connect.fbu > 0) {
    // This code will not be reached if fb_connect_logout_onclick (below) calls logoutAndRedirect.
    // We've gone from connected to not connected.
    status.changed = true;
  }
  FB_Connect.fbu = 0;
  $.event.trigger('fb_connect_status', status);
}

FB_Connect.login_onclick = function() {
  // This will execute before the user fills out the login form.
  // More important is FB_Connect.on_connected, above.
}

FB_Connect.logout_onclick = function() {
  FB.ensureInit(function() {
      //alert('logout and redirect to ' + Drupal.settings.fb_connect.front_url);
      FB.Connect.logoutAndRedirect(Drupal.settings.fb_connect.front_url);
    });
}

// This function called after fbConnect is initialized
FB_Connect.init = function() {
  // Respond to connected events
  $(document).bind('fb_connect_status', FB_Connect.statusHandle);
}

1
2	Drupal.behaviors.fb_connect = function(context) {
3	// Sanity check. Not sure when this can happen, but if it does we can't expect anything to work.
4	if (typeof FB_RequireFeatures == 'undefined') {
5	return;
6	}
7
8	// Tell Facebook to parse any XFBML elements found in the context.
9	FB_RequireFeatures(['XFBML'], function() {
10	$(context).each(function() {
11	if ($(this).html()) {
12	var elem = $(this).get(0);
13	//alert('fb_connect: ' + elem + $(elem).html()); // debug
14	FB.XFBML.Host.parseDomElement(elem);
15
16	// Respect fb_connect classes on new content.
17	$('.fb_connect_show', context).show();
18	$('.fb_connect_hide', context).hide();
19	}
20	});
21	});
22
23	// Support for easy fbml popup markup which degrades when javascript not enabled.
24	// Markup is subject to change. Currently...
25	// <div class=fb_connect_fbml_popup_wrap><a title="POPUP TITLE">LINK MARKUP</a><div class=fb_connect_fbml_popup><fb:SOME FBML>...</fb:SOME FBML><div></div>
26	$('.fb_connect_fbml_popup:not(.fb_connect_fbml_popup-processed)', context).addClass('fb_connect_fbml_popup-processed').prev().each(
27	function() {
28	this.fbml_popup = $(this).next().html();
29	this.fbml_popup_width = parseInt($(this).next().attr('width'));
30	this.fbml_popup_height = parseInt($(this).next().attr('height'));
31	//alert("stored fbml_popup markup: " + this.fbml_popup); // debug
32	$(this).next().remove(); // Remove FBML so facebook does not expand it.
33	})
34	// Handle clicks on the link element.
35	.bind('click',
36	function (e) {
37	//alert('Clicked! Will show ' + this.fbml_popup); // debug
38	popup = new FB.UI.FBMLPopupDialog($(this).attr('title'), this.fbml_popup);
39	if (this.fbml_popup_width) {
40	popup.setContentWidth(this.fbml_popup_width);
41	}
42	if (this.fbml_popup_height) {
43	popup.setContentHeight(this.fbml_popup_height);
44	}
45	popup.set_placement(FB.UI.PopupPlacement.topCenter);
46	popup.show();
47	e.preventDefault();
48	})
49	.parent().show();
50
51	};
52
53
54	// The following functions help us keep track of when a user is logged into Facebook Connect.
55	FB_Connect = function(){};
56
57	// Global to keep track of connected state. Better than facebook's 'reloadIfSessionStateChanged' option.
58	FB_Connect.fbu = null;
59
60	FB_Connect.statusHandle = function(e, data) {
61	if (data.changed) {
62	// Status has changed, user has logged in or logged out.
63	window.location.reload();
64	}
65	};
66
67	FB_Connect.execute_javascript = function() {
68	var url = '/fb_connect/js';
69	$.post(url, null, function(eval_me) {
70	if (eval_me) {
71	eval(eval_me);
72	}
73	});
74	};
75
76	FB_Connect.on_connected = function(fbu) {
77	//alert("FB_Connect.on_connected " + fbu + " settings fbu is " + Drupal.settings.fb_connect.fbu + " FB_Connect.fbu is " + FB_Connect.fbu);
78	var status = {'changed': false, 'fbu': fbu};
79	if (FB_Connect.fbu === 0 \|\| Drupal.settings.fb_connect.fbu != fbu) {
80	status.changed = true;
81	}
82	FB_Connect.fbu = fbu;
83	$.event.trigger('fb_connect_status', status);
84	}
85
86	FB_Connect.on_not_connected = function() {
87	//alert("FB_Connect.on_not_connected, settings fbu is " + Drupal.settings.fb_connect.fbu);
88	var status = {'changed': false, 'fbu': 0};
89	if (FB_Connect.fbu > 0 \|\| Drupal.settings.fb_connect.fbu > 0) {
90	// This code will not be reached if fb_connect_logout_onclick (below) calls logoutAndRedirect.
91	// We've gone from connected to not connected.
92	status.changed = true;
93	}
94	FB_Connect.fbu = 0;
95	$.event.trigger('fb_connect_status', status);
96	}
97
98	FB_Connect.login_onclick = function() {
99	// This will execute before the user fills out the login form.
100	// More important is FB_Connect.on_connected, above.
101	}
102
103	FB_Connect.logout_onclick = function() {
104	FB.ensureInit(function() {
105	//alert('logout and redirect to ' + Drupal.settings.fb_connect.front_url);
106	FB.Connect.logoutAndRedirect(Drupal.settings.fb_connect.front_url);
107	});
108	}
109
110	// This function called after fbConnect is initialized
111	FB_Connect.init = function() {
112	// Respond to connected events
113	$(document).bind('fb_connect_status', FB_Connect.statusHandle);
114	}
115