X-Git-Url: http://juplo.de/gitweb/?a=blobdiff_plain;f=openx.js;h=34993451a2c565b79b037c439fb8db975c658927;hb=bcf3be2e38ab96a41118a23e7e96db59655de733;hp=68cc43171f7d6fcb4f5c04131a23b7940f6cf261;hpb=b8397395da614ad3cb031d54f285ad6441dcf748;p=openx

diff --git a/openx.js b/openx.js
index 68cc431..3499345 100644
--- a/openx.js
+++ b/openx.js
@@ -4,68 +4,160 @@
 
 (function( openx, $, undefined ) {
 
-  var count = 0;
-  var slots = {};
-  var ads = new Array();
+  var
 
+  id,
+  node,
 
-  openx.fetch_ads = function(server, zones) {
+  count = 0,
+  slots = {},
+  queue = [],
+  ads = [],
+  output = [];
 
-    var spc;
 
-    spc  = "<script type='text/javascript' src='";
-    spc += location.protocol == 'https:' ? 'https://' + server + ':8443':'http://' + server;
-    spc += "/www/delivery/spc.php?zones=";
+  openx.show_ads = function(server, zones) {
+
+    var
+    domain = document.location.protocol == 'https:' ? 'https://' + server + ':8443':'http://' + server,
+    name,
+    src = domain;
+
+    document.write = document_write;
+    document.writeln = document_write;
+
+    src += "/www/delivery/spc.php?zones=";
 
     /** Only fetch banners, that are really included in this page */
-    $('.oa').each(function() {
-      var node = $(this);
-      for(var name in zones) {
+    for(name in zones) {
+      $('.oa').each(function() {
+        var
+        node = $(this),
+        id;
         if (node.hasClass(name)) {
-          var id = 'oa_' + ++count;
+          id = 'oa_' + ++count;
           slots[id] = node;
-          spc += escape(id + '=' + zones[name] + "|");
+          queue.push(id);
+          src += escape(id + '=' + zones[name] + "|");
         }
-      }
-    });
+      });
+    }
 
-    spc += "&amp;nz=1&amp;source=" + escape(OA_source);
-    spc += "&amp;r=" + Math.floor(Math.random()*99999999);
-    spc += "&amp;block=1&amp;charset=UTF-8";
+    src += "&nz=1&source=" + escape(OA_source);
+    src += "&r=" + Math.floor(Math.random()*99999999);
+    src += "&block=1&charset=UTF-8";
 
-    if (window.location)   spc += "&amp;loc=" + escape(window.location);
-    if (document.referrer) spc += "&amp;referer=" + escape(document.referrer);
+    if (window.location)   src += "&loc=" + escape(window.location);
+    if (document.referrer) src += "&referer=" + escape(document.referrer);
 
-    spc+="'></script>";
+    $.getScript(src, init_ads);
 
-    document.write(spc);
-    document.write("<script type='text/javascript' src='http://" + server + "/www/delivery/fl.js'></script>");
-  }
+    src = domain + '/www/delivery/fl.js';
+    $.getScript(src);
 
+  }
 
-  openx.render_ads = function() {
+  function init_ads() {
 
-    /** Render the fetched ad-banners... */
-    for (var id in slots) {
-      // alert(id + ": " + OA_output[id]);
-      if (typeof(OA_output[id]) != 'undefined' && OA_output[id] != '') {
-        document.write("<div id='" + id + "'>");
-        document.write(OA_output[id]);
-        document.write("</div>");
+    var i, id;
+    for (i=0; i<queue.length; i++) {
+      id = queue[i];
+      if (typeof(OA_output[id]) != 'undefined' && OA_output[id] != '')
         ads.push(id);
-        // alert('Banner ' + id + ': ' + OA_output[id]);
-      }
     }
 
+    render_ads();
+
   }
 
-  openx.show_ads = function() {
+  function render_ads() {
+
+    while (ads.length > 0) {
+
+      var result, src, inline, i;
+
+      id = ads.shift();
+      node = slots[id];
+
+      node.slideDown();
+
+      // node.append(id + ": " + node.attr('class'));
 
-    /** Show the rendered banners */
-    for (var i=0; i<ads.length; i++) {
-      var ad = $('#'+ads[i]).detach();
-      slots[ads[i]].append(ad);
+      /**
+       * If output was added via document.write(), this output must be
+       * rendered before other banner-code from the OpenX-server is rendered!
+       */
+      if (output.length > 0) {
+        output.push(OA_output[id]);
+        OA_output[id] = "";
+        for (i=0; i<output.length; i++)
+          OA_output[id] += output[i];
+        output = [];
+      }
+
+      while ((result = /<script/i.exec(OA_output[id])) != null) {
+        node.append(OA_output[id].slice(0,result.index));
+        /** Strip all text before "<script" from OA_output[id] */
+        OA_output[id] = OA_output[id].slice(result.index,OA_output[id].length);
+        result = /^([^>]*)>([\s\S]*?)<\\?\/script>/i.exec(OA_output[id]);
+        if (result == null) {
+          /** Invalid syntax in delivered banner-code: ignoring the rest of this banner-code! */
+          // alert(OA_output[id]);
+          OA_output[id] = "";
+        }
+        else {
+          /** Remember iinline-code, if present */
+          src = result[1]
+          inline = result[2];
+          /** Strip all text up to and including "</script>" from OA_output[id] */
+          OA_output[id] = OA_output[id].slice(result[0].length,OA_output[id].length);
+          result = /src\s*=\s*['"]([^'"]*)['"]/i.exec(src);
+          if (result == null) {
+            /** script-tag with inline-code: execute inline-code! */
+            result = /^\s*<.*$/m.exec(inline);
+            if (result != null) {
+              /** Remove leading HTML-comments, because IE will stumble otherwise */
+              inline = inline.slice(result[0].length,inline.length);
+            }
+            $.globalEval(inline);
+          }
+          else {
+            /** script-tag with src-URL! */
+            ads.unshift(id); // << The banner might not be rendered fully, or include more calls to document.write().
+            /** Load the script and halt all work until the script is loaded and executed... */
+            $.getScript(result[1], render_ads); // << jQuery.getScript() generates onload-Handler for _all_ browsers ;)
+            return;
+          }
+        }
+      }
+
+      node.append(OA_output[id]);
+      OA_output[id] = "";
     }
+
+    /** All entries from OA_output were rendered */
+
+    id = undefined;
+    node = undefined;
+  }
+
+  function document_write() {
+
+    for (var i=0; i<arguments.length; i++)
+      output.push(arguments[i]);
+
+    if (id != ads[0])
+      /**
+       * Re-Add the last banner-code to the working-queue, because included
+       * scripts had added markup via document.write(), which is not
+       * proccessed yet.
+       * Otherwise the added markup would be falsely rendered together with
+       * the markup from the following banner-code.
+       */
+      ads.unshift(id);
+
   }
 
 } ( window.openx = window.openx || {}, jQuery ));
+
+var OA_output = {}; // << Needed, because IE will complain loudly otherwise!