1<script> 2 3chrome.cookies.onChanged.addListener(function(info) { 4 console.log("onChanged" + JSON.stringify(info)); 5}); 6 7function focusOrCreateTab(url) { 8 chrome.windows.getAll({"populate":true}, function(windows) { 9 var existing_tab = null; 10 for (var i in windows) { 11 var tabs = windows[i].tabs; 12 for (var j in tabs) { 13 var tab = tabs[j]; 14 if (tab.url == url) { 15 existing_tab = tab; 16 break; 17 } 18 } 19 } 20 if (existing_tab) { 21 chrome.tabs.update(existing_tab.id, {"selected":true}); 22 } else { 23 chrome.tabs.create({"url":url, "selected":true}); 24 } 25 }); 26} 27 28chrome.browserAction.onClicked.addListener(function(tab) { 29 var manager_url = chrome.extension.getURL("manager.html"); 30 focusOrCreateTab(manager_url); 31}); 32 33</script> 34