Issue 2595 - Use the core code from adblockpluscore

chrome/content/cssProperties.js

-function CSSPropertyFilters(window, addSelectorsFunc) {
-  this.window = window;
-  this.addSelectorsFunc = addSelectorsFunc;
-}
-
-CSSPropertyFilters.prototype = {
-  stringifyStyle: function(style)
-  {
-    var styles = [];
-    for (var i = 0; i < style.length; i++)
-    {
-      var property = style.item(i);
-      var value    = style.getPropertyValue(property);
-      var priority = style.getPropertyPriority(property);
-      styles.push(property + ": " + value + (priority ? " !" + priority : "") + ";");
-    }
-    styles.sort();
-    return styles.join(" ");
-  },
-
-  findSelectors: function(stylesheet, selectors)
-  {
-    var rules = stylesheet.cssRules;
-    if (!rules)
-      return;
-
-    for (var i = 0; i < rules.length; i++)
-    {
-      var rule = rules[i];
-      if (rule.type != this.window.CSSRule.STYLE_RULE)
-        continue;
-
-      var style = this.stringifyStyle(rule.style);
-      for (var j = 0; j < this.patterns.length; j++)
-      {
-        var pattern = this.patterns[j];
-        var regexp = pattern.regexp;
-
-        if (typeof regexp == "string")
-          regexp = pattern.regexp = new RegExp(regexp);
-
-        if (regexp.test(style))
-          selectors.push(pattern.prefix + rule.selectorText + pattern.suffix);
-      }
-    }
-  },
-
-  addSelectors: function(stylesheets)
-  {
-    var selectors = [];
-    for (var i = 0; i < stylesheets.length; i++)
-      this.findSelectors(stylesheets[i], selectors);
-    this.addSelectorsFunc(selectors);
-  },
-
-  onLoad: function(event)
-  {
-    var stylesheet = event.target.sheet;
-    if (stylesheet)
-      this.addSelectors([stylesheet]);
-  },
-
-  load: function(callback)
-  {
-    ext.backgroundPage.sendMessage(
-      {
-        type: "filters.get",
-        what: "cssproperties"
-      },
-      function(patterns)
-      {
-        this.patterns = patterns;
-        callback();
-      }.bind(this)
-    );
-  },
-
-  apply: function()
-  {
-    if (this.patterns.length > 0)
-    {
-      var document = this.window.document;
-      this.addSelectors(document.styleSheets);
-      document.addEventListener("load", this.onLoad.bind(this), true);
-    }
-  }
-};