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this addresses #850

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gorhill 2015-11-01 11:25:36 -05:00
parent 2dee9a4c43
commit 71b967f452
1 changed files with 44 additions and 28 deletions
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72
src/js/contentscript-end.js
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@ -259,7 +259,7 @@ var uBlockCollapser = (function() {
if ( node.localName === 'iframe' ) {
addIFrame(node);
}
var iframes = node.querySelectorAll('iframe');
var iframes = node.getElementsByTagName('iframe');
var i = iframes.length;
while ( i-- ) {
addIFrame(iframes[i]);
@ -580,38 +580,47 @@ var uBlockCollapser = (function() {
// - [href^="http"]
var processHighMediumGenerics = function(generics, out) {
var nodeList = selectNodes('a[href^="http"]');
var iNode = nodeList.length;
var node, href, pos, hash, selectors, selector, iSelector;
var doc = document;
var i = contextNodes.length;
var aa = [ null ];
var node, nodes;
while ( i-- ) {
node = contextNodes[i];
if ( node.localName === 'a' ) {
aa[0] = node;
processHighMediumGenericsForNodes(aa, generics, out);
}
nodes = node.getElementsByTagName('a');
if ( nodes.length === 0 ) { continue; }
processHighMediumGenericsForNodes(nodes, generics, out);
if ( node === doc ) {
break;
}
}
};
while ( iNode-- ) {
node = nodeList[iNode];
var processHighMediumGenericsForNodes = function(nodes, generics, out) {
var i = nodes.length;
var node, href, pos, hash, selectors, j, selector;
var aa = [ '' ];
while ( i-- ) {
node = nodes[i];
href = node.getAttribute('href');
if ( !href ) { continue; }
pos = href.indexOf('://');
if ( pos === -1 ) { continue; }
hash = href.slice(pos + 3, pos + 11);
selectors = generics[hash];
if ( selectors === undefined ) { continue; }
// A string.
if ( typeof selectors === 'string' ) {
if (
href.lastIndexOf(selectors.slice(8, -2), 0) === 0 &&
injectedSelectors.hasOwnProperty(selectors) === false
) {
injectedSelectors[selectors] = true;
out.push(selectors);
}
continue;
aa[0] = selectors;
selectors = aa;
}
// An array of strings.
iSelector = selectors.length;
while ( iSelector-- ) {
selector = selectors[iSelector];
j = selectors.length;
while ( j-- ) {
selector = selectors[j];
if (
href.lastIndexOf(selector.slice(8, -2), 0) === 0 &&
injectedSelectors.hasOwnProperty(selector) === false
@ -687,8 +696,7 @@ var uBlockCollapser = (function() {
while ( i-- ) {
node = nodes[i];
if ( node.nodeType !== 1 ) { continue; }
// id
v = nodes[i].id;
v = node.id;
if ( typeof v !== 'string' ) { continue; }
v = v.trim();
if ( v === '' ) { continue; }
@ -891,20 +899,27 @@ var uBlockCollapser = (function() {
/******************************************************************************/
// https://github.com/chrisaljoudi/uBlock/issues/7
// Executed only once
// Executed only once.
// Preferring getElementsByTagName over querySelectorAll:
// http://jsperf.com/queryselectorall-vs-getelementsbytagname/145
(function() {
var collapser = uBlockCollapser;
var elems, i, elem;
elems = document.querySelectorAll('embed, object');
elems = document.getElementsByTagName('embed');
i = elems.length;
while ( i-- ) {
collapser.add(elems[i]);
}
elems = document.querySelectorAll('img');
elems = document.getElementsByTagName('object');
i = elems.length;
while ( i-- ) {
collapser.add(elems[i]);
}
elems = document.getElementsByTagName('img');
i = elems.length;
while ( i-- ) {
elem = elems[i];
@ -913,11 +928,12 @@ var uBlockCollapser = (function() {
}
}
elems = document.querySelectorAll('iframe');
elems = document.getElementsByTagName('iframe');
i = elems.length;
while ( i-- ) {
collapser.addIFrame(elems[i]);
}
collapser.process(0);
})();