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fixed content script's clean shutdown
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1 changed files with 8 additions and 1 deletions
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@ -259,7 +259,7 @@ var collapser = (function() {
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}
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process();
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};
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var iframeSourceObserver = new MutationObserver(iframeSourceModified);
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var iframeSourceObserver = null;
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var iframeSourceObserverOptions = {
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attributes: true,
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attributeFilter: [ 'src' ]
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@ -269,6 +269,9 @@ var collapser = (function() {
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// https://github.com/gorhill/uBlock/issues/162
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// Be prepared to deal with possible change of src attribute.
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if ( dontObserve !== true ) {
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if ( iframeSourceObserver === null ) {
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iframeSourceObserver = new MutationObserver(iframeSourceModified);
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}
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iframeSourceObserver.observe(iframe, iframeSourceObserverOptions);
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}
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// https://github.com/chrisaljoudi/uBlock/issues/174
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@ -343,6 +346,10 @@ var collapser = (function() {
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clearTimeout(timer);
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timer = null;
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}
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if ( iframeSourceObserver !== null ) {
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iframeSourceObserver.disconnect();
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iframeSourceObserver = null;
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}
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document.removeEventListener('error', onResourceFailed, true);
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newRequests = [];
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pendingRequests = {};
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