how to display icon only when you are within the site using page action by url

[Weiller Santos]

I'm writing a chrome extension page action that works on certain URLs, more I realized that the URL specifies the icon shows in situations like this www.google.com/urlespecifies, I want the icon to appear only when the User is within the site.

My background file is thus

chrome.tabs.onUpdated.addListener(function(tabId, changeInfo, tab) {

if (~tab.url.indexOf('urlespecifies.com')) {
chrome.pageAction.show(tabId);
}

});

my manifest

{
  "name": "Compra Protegida",
  "version": "1.6",
  "description": "Alerta usuários ao acessar sites de compras virtuais não recomendado pelo Reclame Aqui ou presentes na Lista do Procon. ",
  "background" :  { 
  "scripts" :  [ "background.js" ] 
} , 
  "page_action": {
  "default_icon": "19.png",
  "default_title":"Site não recomendado",
  "default_popup":"popup.html"
},
  "permissions" : [
     "tabs"
],
  "icons" : {
    "48" : "48.png",
    "128" : "128.png"
},
"manifest_version": 2
}

[Wolf War]

I think you also need to declare path to your icon, something like this:

chrome.tabs.onUpdated.addListener(function(tabId, changeInfo, tab) {

if (tab.url.indexOf('urlespecifies.com') > -1) {

chrome.pageAction.setIcon({tabId: tabId, path:"myExtensionIcon.png"});

chrome.pageAction.setTitle({tabId: tabId, title: "my page action text"});

chrome.pageAction.show(tabId);

}

});

[Mats David Vincent Patzke]

Hey, I'm not sure if I unterstand you completly but you should also check the activated tab with chrome.tabs.onActivated

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