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service_worker.js
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service_worker.js
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let curTabId = -1;
async function getTask(tabId) {
const key = String(tabId);
const items = await chrome.storage.local.get(key);
return items[key];
}
async function updateTask(tabId, options) {
const key = String(tabId);
const preOptions = await getTask(tabId);
const items = {
[key]: {
...preOptions,
...options,
},
};
await chrome.storage.local.set(items);
return new Promise((resolve, reject) => {
chrome.tabs.sendMessage(tabId, { type: 'DISPATCH', options: options }, (response) => {
if (response === undefined) {
reject(chrome.runtime.lastError);
} else {
resolve(response);
}
});
});
}
async function startTask(tabId, options) {
return updateTask(tabId, options);
}
async function stopTask(tabId) {
return updateTask(tabId, { started: false });
}
chrome.tabs.onActivated.addListener((info) => {
curTabId = info.tabId;
});
chrome.tabs.onRemoved.addListener((tabId) => {
console.info('remove config of tab:', tabId);
chrome.storage.local.remove(tabId + '');
});
chrome.runtime.onMessage.addListener((request, sender, sendResponse) => {
var tabId = (request.options && request.options.tabId) || (sender.tab && sender.tab.id);
console.info(tabId);
if (request.type === 'START' && tabId > 0) {
startTask(tabId, request.options)
.then(() => {
sendResponse('ok');
})
.catch((e) => {
console.error(e);
});
return true;
}
if (request.type === 'STOP' && tabId > 0) {
stopTask(tabId)
.then(() => {
sendResponse('ok');
})
.catch((e) => {
console.error(e);
});
return true;
}
if (request.type === 'QUERY' && sender.tab) {
getTask(sender.tab.id)
.then((options) => {
sendResponse({ options });
})
.catch((e) => {
console.error(e);
});
return true;
}
if (request.type === 'BADGE' && sender.tab) {
chrome.action.setBadgeText({
text: request.text + '',
tabId: sender.tab.id,
});
chrome.action.setBadgeBackgroundColor({
color: request.color,
tabId: sender.tab.id,
});
sendResponse('ok');
return true;
}
if (request.type === 'CLEAR_CACHE' && sender.tab) {
chrome.browsingData.remove({ since: 0 }, { cache: true }, () => {
console.info('remove cache completed');
sendResponse('ok');
});
return true;
}
if (request.type === 'NOTIFY' && sender.tab) {
if (!request.id) {
chrome.notifications.create(
{
type: 'basic',
iconUrl: 'image/icon128.png',
title: 'Free Auto Refresh',
message: request.message,
},
(nId) => {
sendResponse(nId);
},
);
} else {
chrome.notifications.update(
request.id,
{
type: 'basic',
iconUrl: 'image/icon128.png',
title: 'Free Auto Refresh',
message: request.message,
},
() => {
sendResponse(request.id);
},
);
}
return true;
}
});