Issue 6119 - Work in Progress use framAncestors in Firefox

ext/background.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-present eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 590 matching lines @@
     }
 
     // We are looking for the frame that contains the element which
     // has triggered this request. For most requests (e.g. images) we
     // can just use the request's frame ID, but for subdocument requests
     // (e.g. iframes) we must instead use the request's parent frame ID.
     let {frameId, type} = details;
     if (type == "sub_frame")
       frameId = details.parentFrameId;
 
+    let frame2 = null;
+    if (details.frameAncestors) {
+      for (let i = details.frameAncestors.length - 1; i >= 0; i--) {
+        frame2 = {id: details.frameAncestors[i].frameId,
+                  url: new URL(details.frameAncestors[i].url),
+                  parent: frame2};
+      }
+      
+      // the url here is not correct I think.
+      if (type != "sub_frame")
+        frame2 = {url: new URL(details.documentUrl), parent: frame2};
+    }
+
     // Sometimes requests are not associated with a browser tab and
     // in this case we want to still be able to view the url being called.
+    let page = null;
     let frame = null;
-    let page = null;
     if (details.tabId != -1)
     {
-      frame = ext.getFrame(details.tabId, frameId);
+      // Only Firefox supports frameAncestors, so we have to keep the list
+      // of frames ourself.
+      if (!frame)
+        frame = ext.getFrame(details.tabId, frameId);
+
+
+      let s = (f, a = []) => {
+        a.push(f.url.toString());
+        if (f.parent)
+          return s(f.parent, a)
+        return a;
+      }
+      
+      if (s(frame).length > 0)
+        console.log(url.toString(), s(frame), s(frame2))
+
       page = new Page({id: details.tabId});
     }
 
     if (ext.webRequest.onBeforeRequest._dispatch(
         url, type, page, frame).includes(false))
       return {cancel: true};
   }, {urls: ["<all_urls>"]}, ["blocking"]);
 
 
   /* Message passing */
@@ skipping 58 matching lines @@
   ext.windows = {
     create(createData, callback)
     {
       browser.windows.create(createData, createdWindow =>
       {
         afterTabLoaded(callback)(createdWindow.tabs[0]);
       });
     }
   };
 }