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background.js
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background.js
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// background.js
import './browser-polyfill.js';
// chrome / firefox compatibility
if (typeof browser.action === "undefined")
browser.action = browser.browserAction;
// this is just so we can trigger a full pass from the browser button
// depends on polyfill for cross-browser compatibility
function statusString(status)
{
if (status==1)
return "On Everywhere";
else if (status==2)
return "On Temporarily";
else if (status==3)
return "On for Selected Text";
else // status == 4
return "Off";
}
function statusIcon(status)
{
if (status==1)
return "button.png";
else if (status==2)
return "button-temp.png";
else if (status==3)
return "button-partial.png";
else // status == 4
return "button-grey.png";
}
function onError(error)
{
console.log("Error: "+JSON.stringify(error));
browser.action.setTitle(
{title :"Localise: Unresponsive, try reloading."}
);
browser.action.setIcon(
{path: statusIcon(0)}
).catch(
()=>{console.log("Error setting error icon");}
);
}
function messageContentScript(tab_id, message)
{
browser.tabs.sendMessage(
tab_id,
{greeting: message}
).then(response => {
browser.action.setTitle(
{title :"Localise: " + statusString(response.response)}
);
browser.action.setIcon(
{tabId: tab_id, path: statusIcon(response.response)}
).catch(onError);
}).catch(onError);
}
browser.action.onClicked.addListener((tab) => {
messageContentScript(tab.id, "toggle");
});
browser.tabs.onActivated.addListener((activeInfo) => {
messageContentScript(activeInfo.tabId, "check");
});
browser.tabs.onUpdated.addListener((tabId) => {
messageContentScript(tabId, "check");
});