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background.js
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background.js
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// 监听来自content-script的消息
chrome.runtime.onMessage.addListener(function (request, sender, sendResponse) {
console.log('收到来自content-script的消息:')
handle(request, sender, sendResponse)
})
chrome.runtime.onMessageExternal.addListener(function (request, sender, sendResponse) {
console.log('收到来自未知页的消息:')
handle(request, sender, sendResponse)
})
function handle(request, sender, sendResponse) {
// 动态注入手动选择框css
if (request && request.dialogCSS === 'insert') {
chrome.scripting.insertCSS({
origin: 'AUTHOR',
target: { tabId: sender.tab.id, allFrames: true },
files: ['style/interception.css']
})
} else if (request && request.dialogCSS === 'remove') {
chrome.scripting.removeCSS({
origin: 'AUTHOR',
target: { tabId: sender.tab.id, allFrames: true },
files: ['style/interception.css']
})
}
// 动态注入纯净模式css
if (request && request.insertCSS) {
if (request.insertCSS === 'insert') {
chrome.scripting.insertCSS({
origin: 'AUTHOR',
target: { tabId: sender.tab.id, allFrames: true },
files: ['style/page.css']
})
} else if (request && request.insertCSS === 'remove') {
chrome.scripting.removeCSS({
origin: 'AUTHOR',
target: { tabId: sender.tab.id, allFrames: true },
files: ['style/page.css']
})
}
sendResponse({ text: '--处理--', tabId: sender.tab.id }, request)
}
if (request && request.shieldNumber && request.shieldNumber !== '0') {
chrome.action.setBadgeText({ text: request.shieldNumber + '' || '99', tabId: sender.tab.id })
sendResponse({ text: '--处理--', tabId: sender.tab.id }, request)
}
}
function sendMessage(id, data, cbk) {
chrome.tabs.sendMessage(id, data, function (response) {
if (cbk) {
cbk(response)
}
})
}