mirror of https://github.com/gorhill/uBlock.git
Merge pull request #548 from chrisaljoudi/master
More fixes and performance improvements to Safari event handling and dispatching
This commit is contained in:
Raymond Hill
commit
965f3cfc29
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@ -188,33 +188,23 @@ vAPI.tabs = {
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/******************************************************************************/
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vAPI.tabs.registerListeners = function() {
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var onNavigation = this.onNavigation;
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safari.application.addEventListener('beforeNavigate', function(e) {
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if ( !e.target || !e.target.url || e.target.url === 'about:blank' ) {
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if ( !vAPI.tabs.popupCandidate || !e.target || e.url === 'about:blank' ) {
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return;
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}
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var url = e.target.url, tabId = vAPI.tabs.getTabId(e.target);
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if ( vAPI.tabs.popupCandidate ) {
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var details = {
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url: url,
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tabId: tabId,
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sourceTabId: vAPI.tabs.popupCandidate
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};
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vAPI.tabs.popupCandidate = false;
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if ( vAPI.tabs.onPopup(details) ) {
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e.preventDefault();
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if ( vAPI.tabs.stack[details.sourceTabId] ) {
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vAPI.tabs.stack[details.sourceTabId].activate();
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}
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return;
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var url = e.url, tabId = vAPI.tabs.getTabId(e.target);
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var details = {
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url: url,
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tabId: tabId,
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sourceTabId: vAPI.tabs.popupCandidate
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};
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vAPI.tabs.popupCandidate = false;
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if ( vAPI.tabs.onPopup(details) ) {
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e.preventDefault();
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if ( vAPI.tabs.stack[details.sourceTabId] ) {
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vAPI.tabs.stack[details.sourceTabId].activate();
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}
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}
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onNavigation({
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url: url,
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frameId: 0,
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tabId: tabId
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});
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}, true);
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// onClosed handled in the main tab-close event
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@ -586,9 +576,6 @@ vAPI.messaging.broadcast = function(message) {
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}
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};
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/******************************************************************************/
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/******************************************************************************/
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vAPI.net = {};
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@ -649,6 +636,14 @@ vAPI.net.registerListeners = function() {
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return;
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}
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if ( e.message.navigatedToNew ) {
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vAPI.tabs.onNavigation({
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url: e.message.url,
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frameId: 0,
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tabId: vAPI.tabs.getTabId(e.target)
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});
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return;
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}
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block = vAPI.net.onBeforeRequest;
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@ -191,95 +191,63 @@ if ( location.protocol === 'safari-extension:' ) {
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/******************************************************************************/
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var beforeLoadEvent = document.createEvent('Event');
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beforeLoadEvent.initEvent('beforeload');
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/******************************************************************************/
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var frameId = window === window.top ? 0 : Date.now() % 1E5;
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var parentFrameId = frameId ? 0 : -1;
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var beforeLoadEvent = new Event('beforeload'); // Helper event to message background
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// Inform that we've navigated
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if(frameId === 0) {
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safari.self.tab.canLoad(beforeLoadEvent, {
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url: location.href,
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type: 'main_frame',
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navigatedToNew: true
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});
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}
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var linkHelper = document.createElement('a');
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var onBeforeLoad = function(e, details) {
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if ( e.url && e.url.lastIndexOf('data:', 0) === 0 ) {
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return;
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}
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linkHelper.href = details ? details.url : e.url;
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var url = linkHelper.href;
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if ( url.lastIndexOf('http:', 0) === -1 && url.lastIndexOf('https:', 0) === -1) {
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return;
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}
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if ( details ) {
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details.url = url;
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} else {
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details = {
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url: url
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};
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switch ( e.target.nodeName.toLowerCase() ) {
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case 'frame':
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case 'iframe':
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details.type = 'sub_frame';
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break;
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case 'script':
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details.type = 'script';
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break;
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case 'img':
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case 'input': // type=image
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details.type = 'image';
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break;
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case 'object':
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case 'embed':
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details.type = 'object';
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break;
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case 'link':
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var rel = e.target.rel.trim().toLowerCase();
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if ( rel.indexOf('icon') !== -1 ) {
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details.type = 'image';
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break;
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} else if ( rel === 'stylesheet' ) {
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details.type = 'stylesheet';
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break;
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}
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default:
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details.type = 'other';
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}
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}
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// This can run even before the first DOMSubtreeModified event fired
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if ( firstMutation ) {
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firstMutation();
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}
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// tabId is determined in the background script
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// details.tabId = null;
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var nodeTypes = {
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'frame': 'sub_frame',
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'iframe': 'sub_frame',
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'script': 'script',
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'img': 'image',
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'input': 'image',
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'object': 'object',
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'embed': 'object',
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'link': 'stylesheet'
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};
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var shouldBlockDetailedRequest = function(details) {
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linkHelper.href = details.url;
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details.url = linkHelper.href;
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details.frameId = frameId;
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details.parentFrameId = parentFrameId;
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details.timeStamp = Date.now();
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var response = safari.self.tab.canLoad(e, details);
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if ( !response ) {
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if ( details.type === 'main_frame' ) {
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window.stop();
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} else {
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e.preventDefault();
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}
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return false;
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}
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// Local mirroring, response should be a data: URL here
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if ( typeof response !== 'string' ) {
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return !(safari.self.tab.canLoad(beforeLoadEvent, details));
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}
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var onBeforeLoad = function(e) {
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if(e.url.lastIndexOf('data:', 0) === 0) {
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return;
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}
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linkHelper.href = e.url;
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var url = linkHelper.href;
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var details = {
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url: url,
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type: nodeTypes[e.target.nodeName.toLowerCase()] || 'other',
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// tabId is determined in the background script
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frameId: frameId,
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parentFrameId: parentFrameId,
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timeStamp: Date.now()
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};
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var response = safari.self.tab.canLoad(e, details);
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if(!response) {
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e.preventDefault();
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return false;
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}
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// Local mirroring, response should be a data: URL here
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if(typeof response !== 'string') {
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return;
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}
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// Okay, we're mirroring...
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e.preventDefault();
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// Content Security Policy with disallowed inline scripts may break things
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details = document.createElement('script');
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details.textContent = atob(response.slice(response.indexOf(',', 20) + 1));
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@ -308,11 +276,9 @@ var firstMutation = function() {
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var randEventName = uniqueId();
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window.addEventListener(randEventName, function(e) {
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var result = onBeforeLoad(beforeLoadEvent, e.detail);
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if ( result === false ) {
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if(shouldBlockDetailedRequest(e.detail)) {
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e.detail.url = false;
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}
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};
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}, true);
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// the extension context is unable to reach the page context,
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@ -409,18 +375,8 @@ var onContextMenu = function(e) {
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self.addEventListener('contextmenu', onContextMenu, true);
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/******************************************************************************/
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// 'main_frame' simulation
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if ( frameId === 0 ) {
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onBeforeLoad(beforeLoadEvent, {
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url: location.href,
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type: 'main_frame'
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});
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}
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/******************************************************************************/
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})();
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/******************************************************************************/
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