1 // Copyright 2017 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 (function linkClickerBackgroundScript() { 6 7 // time in ms. 8 let minInterval = 1*1000; 9 let maxInterval = 20*1000; 10 let pattern = /.*/; 11 let enabled = false; 12 13 let animateIconIntervalId; 14 15 // =========================================================================== 16 17 chrome.runtime.onMessage.addListener(function(msg, sender, response) { 18 let result; 19 if (msg.type == 'update') result = updateFromMessage(msg); 20 if (msg.type == 'get') result = getValues(); 21 response(result); 22 }); 23 24 // =========================================================================== 25 function updateFromMessage(msg) { 26 console.log(msg); 27 minInterval = Number(msg.minInterval) 28 maxInterval = Number(msg.maxInterval); 29 if (maxInterval < minInterval) { 30 let tmpMin = Math.min(minInterval, maxInterval); 31 maxInterval = Math.max(minInterval, maxInterval); 32 minInterval = tmpMin; 33 } 34 pattern = new RegExp(msg.pattern); 35 enabled = Boolean(msg.enabled); 36 updateTabs(); 37 scheduleIconAnimation(); 38 return getValues(); 39 } 40 41 function getValues() { 42 return { 43 type: 'update', 44 minInterval: minInterval, 45 maxInterval: maxInterval, 46 pattern: pattern.source, 47 enabled: enabled 48 } 49 } 50 51 function updateTabs() { 52 chrome.tabs.query({active: true, currentWindow: true}, function(tabs) { 53 let message = getValues(); 54 for (let i = 0; i < tabs.length; ++i) { 55 chrome.tabs.sendMessage(tabs[i].id, message); 56 } 57 }); 58 } 59 60 let animationIndex = 0; 61 function animateIcon() { 62 animationIndex = (animationIndex + 1) % 4; 63 chrome.browserAction.setBadgeText( { text: ".".repeat(animationIndex) } ); 64 } 65 66 function scheduleIconAnimation() { 67 chrome.browserAction.setBadgeText( { text: "" } ); 68 clearInterval(animateIconIntervalId); 69 if (enabled) { 70 animateIconIntervalId = setInterval(animateIcon, 500); 71 } 72 } 73 74 })(); 75
