mirror of https://github.com/gorhill/uBlock.git
this fixes #452
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@ -48,7 +48,7 @@ var messager = vAPI.messaging.channel('contentscript-end.js');
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}
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var queriedSelectors = {};
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var injectedSelectors = vAPI.hideCosmeticFilters || {};
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var injectedSelectors = {};
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var classSelectors = null;
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var idSelectors = null;
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var highGenerics = null;
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@ -56,28 +56,36 @@ var messager = vAPI.messaging.channel('contentscript-end.js');
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var nullArray = { push: function(){} };
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var domLoaded = function() {
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idsFromNodeList(document.querySelectorAll('[id]'));
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classesFromNodeList(document.querySelectorAll('[class]'));
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retrieveGenericSelectors();
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};
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// https://github.com/gorhill/uBlock/issues/452
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// This needs to be executed *after* the response from our query is
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// received, not at `DOMContentLoaded` time, or else there is a good
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// likeliness to outrun contentscript-start.js, which may still be waiting
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// on a response from its own query.
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var firstRunHandler = function() {
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// https://github.com/gorhill/uBlock/issues/158
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// Ensure injected styles are enforced
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// rhill 2014-11-16: not sure this is needed anymore. Test case in
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// above issue was fine without the line below..
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var selectors = vAPI.hideCosmeticFilters;
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if ( typeof selectors === 'object' ) {
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injectedSelectors = selectors;
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hideElements(Object.keys(selectors).join(','));
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}
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// Add exception filters into injected filters collection, in order
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// to force them to be seen as "already injected".
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selectors = vAPI.donthideCosmeticFilters;
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if ( typeof selectors === 'object' ) {
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for ( var selector in selectors ) {
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for ( selector in selectors ) {
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if ( selectors.hasOwnProperty(selector) ) {
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injectedSelectors[selector] = true;
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}
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}
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}
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// Now scan content of page
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idsFromNodeList(document.querySelectorAll('[id]'));
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classesFromNodeList(document.querySelectorAll('[class]'));
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retrieveGenericSelectors();
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};
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var retrieveGenericSelectors = function() {
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@ -103,6 +111,12 @@ var messager = vAPI.messaging.channel('contentscript-end.js');
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};
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var retrieveHandler = function(selectors) {
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// https://github.com/gorhill/uBlock/issues/452
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// See above.
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if ( typeof firstRunHandler === 'function' ) {
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firstRunHandler();
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firstRunHandler = undefined;
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}
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//console.debug('µBlock> contextNodes = %o', contextNodes);
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if ( selectors && selectors.highGenerics ) {
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highGenerics = selectors.highGenerics;
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@ -216,7 +230,7 @@ var messager = vAPI.messaging.channel('contentscript-end.js');
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var selector;
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while ( i-- ) {
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selector = generics[i];
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if ( injectedSelectors[selector] !== undefined ) {
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if ( injectedSelectors.hasOwnProperty(selector) ) {
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continue;
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}
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injectedSelectors[selector] = true;
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@ -241,14 +255,14 @@ var messager = vAPI.messaging.channel('contentscript-end.js');
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if ( !attrValue ) { continue; }
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selector = '[' + attr + '="' + attrValue + '"]';
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if ( generics[selector] ) {
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if ( injectedSelectors[selector] === undefined ) {
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if ( injectedSelectors.hasOwnProperty(selector) === false ) {
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injectedSelectors[selector] = true;
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out.push(selector);
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}
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}
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selector = node.tagName.toLowerCase() + selector;
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if ( generics[selector] ) {
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if ( injectedSelectors[selector] === undefined ) {
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if ( injectedSelectors.hasOwnProperty(selector) === false ) {
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injectedSelectors[selector] = true;
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out.push(selector);
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}
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@ -277,7 +291,7 @@ var messager = vAPI.messaging.channel('contentscript-end.js');
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iSelector = selectors.length;
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while ( iSelector-- ) {
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selector = selectors[iSelector];
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if ( injectedSelectors[selector] === undefined ) {
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if ( injectedSelectors.hasOwnProperty(selector) === false ) {
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injectedSelectors[selector] = true;
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out.push(selector);
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}
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@ -293,7 +307,7 @@ var messager = vAPI.messaging.channel('contentscript-end.js');
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var processHighHighGenerics = function() {
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processHighHighGenericsTimer = null;
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if ( injectedSelectors['{{highHighGenerics}}'] !== undefined ) { return; }
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if ( injectedSelectors.hasOwnProperty('{{highHighGenerics}}') ) { return; }
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if ( document.querySelector(highGenerics.hideHigh) === null ) { return; }
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injectedSelectors['{{highHighGenerics}}'] = true;
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// We need to filter out possible exception cosmetic filters from
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@ -443,10 +457,10 @@ var messager = vAPI.messaging.channel('contentscript-end.js');
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}
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}
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if ( addedNodeListsTimer === null ) {
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// I arbitrarily chose 50 ms for now:
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// I arbitrarily chose 100 ms for now:
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// I have to compromise between the overhead of processing too few
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// nodes too often and the delay of many nodes less often.
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addedNodeListsTimer = setTimeout(mutationObservedHandler, 75);
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addedNodeListsTimer = setTimeout(mutationObservedHandler, 100);
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}
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};
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