Hi guys,
I am learning how to make chrome add-on and was just checking how
message passing thing works, but I am facing a problem in making it
work. I am taking the simple example from
http://code.google.com/chrome/extensions/messaging.html
page but it's not working.
I want to My background.html page to send a request to content.js file
only when someone click on the browser button. for that i have done
something like this
background.html page
======================
<html>
<script>
function getPageandSelectedTextIndex() {
chrome.tabs.getSelected(null, function(tab) {
chrome.tabs.sendRequest(tab.id, {greeting: "hello"}, function
(response) {
console.log(response.farewell);
});
});
}
chrome.browserAction.onClicked.addListener(function(tab) {
getPageandSelectedTextIndex();
});
</script>
</html>
content.js
=========================================
chrome.extension.onRequest.addListener(
function(request, sender, sendResponse) {
console.log(sender.tab ?
"from a content script:" + sender.tab.url :
"from the extension");
if (request.greeting == "hello")
sendResponse({farewell: "goodbye"});
else
sendResponse({}); // snub them.
});
i was thinking message will be logged in console when i will click on
the button. but i m not able to see any message there.
can anybody please tell me what's wrong going on here ??
Thanks in advance
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