SiteFocus.js

/**
 * SiteFocus, an enhanced version of the Blacklist Sites - Page Mods Demo.
 * Recommended for anyone who has this problem: http://xkcd.com/477/
 * Martin Owen - martinowenuk@gmail.com
 */

jetpack.future.import("storage.simple");
jetpack.future.import('menu');

function SiteFocus() {
  this.storage = jetpack.storage.simple;
  var defaults = [ "youtube.com", "facebook.com", "twitter.com", "last.fm", "digg.com" ];
  this.bannedSites = this.storage.bannedSites || defaults;
  this.updateMenu();
}

SiteFocus.prototype = {

  updateMenu: function() {
    var addCurrentSiteMenuItem = {
      label: "Add current site",
      command: this.addCurrentSite
    };

    var clearBannedSitesMenuItem = {
      label: "Clear banned sites",
      command: this.clearBannedSites
    };

    var bannedSitesMenuItem = {
      label: "Banned Sites",
      menu: new jetpack.Menu(this.bannedSites)
    };

    jetpack.menu.set({
      label: "Site Focus",
      menu: new jetpack.Menu([
        addCurrentSiteMenuItem,
        clearBannedSitesMenuItem,
        bannedSitesMenuItem
      ])
    });
  },

  isBannedSite: function(url) {
    for (var i=0; i<this.bannedSites.length; i++) {
      if (url.match(this.bannedSites[i])) {
        return true;
      }
    }
    return false;
  },

  addCurrentSite: function() {
    var currentURL = jetpack.tabs.focused.url;
    siteFocus.storage.bannedSites.push(currentURL);
    this.updateMenu();
  },

  clearBannedSites: function() {
    this.storage.bannedSites = [];
    this.updateMenu();
  },

  splatContent: function() {
    var doc = jetpack.tabs.focused.contentDocument;
    var win = jetpack.tabs.focused.contentWindow;

    // Modal window from http://www.queness.com/post/77/simple-jquery-modal-window-tutorial

    $(doc).find("body").prepend(
      '<div id="site-focus-modal"> \
        <div id="site-focus-banned-window" class="site-focus-window"> \
	  <p>This site is banned by SiteFocus.</p> \
        </div> \
        <div id="site-focus-mask"></div> \
       </div>');

    $(doc).find("#site-focus-mask").css(
      {
	"position": "absolute",
	"z-index": "9000",
	"background-color": "#000",
	"display": "none"
      }
    );

    $(doc).find(".site-focus-window").css(
      {
	"position": "absolute",
	"width": "440px",
	"height": "200px",
	"display": "none",
	"z-index": "9999",
	"padding": "20px"
      }
    );

    $(doc).find("#site-focus-banned-window").css(
      {
	"width": "375px",
	"height": "203px"
      }
    ).find("p").css(
      {
	"font-size": "1.5em",
	"font-weight": "bold",
	"color": "#fff",
	"text-align": "center"
      }
    );

    //Get the screen height and width
    var maskHeight = $(doc).height();
    var maskWidth = $(win).width();

    //Set height and width to mask to fill up the whole screen
    $(doc).find('#site-focus-mask').css({'width':maskWidth,'height':maskHeight});

    //transition effect
    $(doc).find('#site-focus-mask').fadeIn(1000);
    $(doc).find('#site-focus-mask').fadeTo("slow",0.8);

    //Get the window height and width
    var winH = $(win).height();
    var winW = $(win).width();

    //Set the popup window to center
    $('#site-focus-banned-window').css('top',  winH/2-$(id).height()/2);
    $('#site-focus-banned-window').css('left', winW/2-$(id).width()/2);

    //transition effect
    $('#site-focus-banned-window').fadeIn(2000);
  }

};

var siteFocus = new SiteFocus();

jetpack.tabs.onReady(function(){
  if (siteFocus.isBannedSite(this.url)) {
    siteFocus.splatContent();
  }
});