Module: FacebookRailsHelper

Defined in:
app/helpers/facebook_rails_helper.rb

Instance Method Summary collapse

Instance Method Details

#facebook_initialization(options = {}) ⇒ Object 



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# File 'app/helpers/facebook_rails_helper.rb', line 20

def facebook_initialization options = {}
  options[:resize] = :auto unless options.has_key?(:resize)
  options[:init] ||= {}
  options[:init][:appId] ||= FACEBOOK['app_id'].to_s
  options[:init][:status] = true unless options.has_key?(:status)
  options[:init][:cookie] = true unless options.has_key?(:cookie)
  begin
    options[:user_f8id] = current_user_f8id
  rescue Exception => e
    logger.info "current_user_f8id exception #{ e.to_s }"
  end unless options.has_key?(:user_f8id)
  onload_resize = %{
      var domLoaded = false;
      var facebookLoaded = false;
      var pageLoaded = false;

      function pageLoad() {
        if (domLoaded && facebookLoaded) {
          if (!pageLoaded) {
            pageLoaded = true;
            $(document).trigger('page_loaded');
          }
          sizeToMain();
        }
      }

      function sizeToMain() {
        if (domLoaded && facebookLoaded) {
          if (typeof adjustCanvasSize == "function") {
            adjustCanvasSize();
          } else {
            var height = $('#main').outerHeight();
            if (height > 100) {
              FB.Canvas.setSize({ width: 760, height: height + 200 });
            }
          }
        }
      }

      $(document).ready(function () {
        domLoaded = true;
        pageLoad();
      });
      $(window).load(function() {
        domLoaded = true; //not neccessary
        pageLoad();
      });
  }

   = if options[:user_f8id]
    %{
        FB.getLoginStatus(function(response) {
          if ((response.authResponse && response.authResponse.userID == '#{ options[:user_f8id] }') ||
              (response.session && response.session.uid == '#{ options[:user_f8id] }')) {
            // logged in and connected user - continue
            $(document).trigger('got_facebook_status');
          } else {
            // no user session available or new user - clear old user's session
            window.location.href = window.location.href + (window.location.href.indexOf('?') >= 0 ? '&' : '?') + 'clear_users_session=true';
          }
        }, true); //force session status reloading
    }
  else
    %{
        FB.getLoginStatus(function(response) {
          $(document).trigger('got_facebook_status');
        });
    }
  end

  %{
    <div id="fb-root"></div>
    <script type="text/javascript">
      #{ onload_resize if options[:resize] == :onload }
      window.fbAsyncInit = function() {
        FB.init({ #{ options[:init].collect{ |key, value| "#{ key }: #{ value }" }.join(', ') } });
        $(document).trigger('facebook_init');
        #{ 'facebookLoaded = true; pageLoad();' if options[:resize] == :onload }
        #{ 'FB.Canvas.setAutoGrow();' if options[:resize] == :auto }
        #{  }
      };

      (function() {
        var e = document.createElement('script'); e.async = true;
        e.src = document.location.protocol +
          '//connect.facebook.net/#{ get_facebook_locale }/all.js';
        document.getElementById('fb-root').appendChild(e);
      }());
    </script>
  }.html_safe
end

#reload_back_to_facebook_if_needed_js ⇒ Object 



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# File 'app/helpers/facebook_rails_helper.rb', line 2

def reload_back_to_facebook_if_needed_js
  return '<script>' +
      'if (top == self)' +
      '{' +
      "top.location = '#{facebook_href(url_for({ :controller => controller.controller_name, :action => controller.action_name }.merge params.reject{ |k,v| k == 'signed_request' }))}';" +
      '}' +
      '</script>'
end

#reload_back_to_microsite_if_needed_js ⇒ Object 



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# File 'app/helpers/facebook_rails_helper.rb', line 11

def reload_back_to_microsite_if_needed_js
  return '<script>' +
      'if (top != self)' +
      '{' +
      "top.location = '#{microsite_href(url_for({ :controller => controller.controller_name, :action => controller.action_name }.merge params.reject{ |k,v| k == 'signed_request' }))}';" +
      '}' +
      '</script>'
end