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var previousVideoID = null
//the id of this user, randomly generated once per install
var userID = null;
chrome.tabs.onUpdated.addListener( // On tab update
function(tabId, changeInfo, tab) {
if (changeInfo != undefined && changeInfo.url != undefined) {
let id = getYouTubeVideoID(changeInfo.url);
if (changeInfo.url && id) { // If URL changed and is youtube video message contentScript the video id
videoIDChange(id);
chrome.tabs.sendMessage( tabId, {
message: 'ytvideoid',
id: id
});
}
}
}
);
chrome.runtime.onMessage.addListener(function (request, sender, callback) {
if (request.message == "submitTimes") {
submitTimes(request.videoID);
callback({
success: true
});
} else if (request.message == "ytvideoid") {
if (previousVideoID != request.videoID) {
videoIDChange(request.videoID);
}
} else if (request.message == "addSponsorTime") {
addSponsorTime(request.time);
} else if (request.message == "getSponsorTimes") {
getSponsorTimes(request.videoID, function(sponsorTimes) {
callback({
sponsorTimes: sponsorTimes
})
});
//this allows the callback to be called later
return true;
}
});
//gets the sponsor times from memory
function getSponsorTimes(videoID, callback) {
let sponsorTimes = [];
let sponsorTimeKey = "sponsorTimes" + videoID;
chrome.storage.local.get([sponsorTimeKey], function(result) {
let sponsorTimesStorage = result[sponsorTimeKey];
if (sponsorTimesStorage != undefined && sponsorTimesStorage.length > 0) {
sponsorTimes = sponsorTimesStorage;
}
callback(sponsorTimes)
});
}
function addSponsorTime(time) {
getSponsorTimes(previousVideoID, function(sponsorTimes) {
//add to sponsorTimes
if (sponsorTimes.length > 0 && sponsorTimes[sponsorTimes.length - 1].length < 2) {
//it is an end time
sponsorTimes[sponsorTimes.length - 1][1] = parseInt(time);
} else {
//it is a start time
let sponsorTimesIndex = sponsorTimes.length;
sponsorTimes[sponsorTimesIndex] = [];
sponsorTimes[sponsorTimesIndex][0] = parseInt(time);
}
//save this info
let sponsorTimeKey = "sponsorTimes" + previousVideoID;
chrome.storage.local.set({[sponsorTimeKey]: sponsorTimes});
});
}
function submitTimes(videoID) {
//get the video times from storage
let sponsorTimeKey = 'sponsorTimes' + videoID;
chrome.storage.local.get([sponsorTimeKey], function(result) {
let sponsorTimes = result[sponsorTimeKey];
if (sponsorTimes != undefined && sponsorTimes.length > 0) {
//submit these times
for (let i = 0; i < sponsorTimes.length; i++) {
let xmlhttp = new XMLHttpRequest();
let userIDStorage = getUserID(function(userIDStorage) {
//submit the sponsorTime
xmlhttp.open('GET', 'http://localhost/api/postVideoSponsorTimes?videoID=' + videoID + "&startTime=" + sponsorTimes[i][0] + "&endTime=" + sponsorTimes[i][1]
+ "&userID=" + userIDStorage, true);
xmlhttp.send();
});
}
}
});
}
function videoIDChange(currentVideoID) {
//warn them if they had unsubmitted times
if (previousVideoID != null) {
//get the sponsor times from storage
let sponsorTimeKey = 'sponsorTimes' + previousVideoID;
chrome.storage.local.get([sponsorTimeKey], function(result) {
let sponsorTimes = result[sponsorTimeKey];
if (sponsorTimes != undefined && sponsorTimes.length > 0) {
//warn them that they have unsubmitted sponsor times
chrome.notifications.create("stillThere" + Math.random(), {
type: "basic",
title: "Do you want to submit the sponsor times for watch?v=" + previousVideoID + "?",
message: "You seem to have left some sponsor times unsubmitted. Go back to that page to submit them (they are not deleted).",
iconUrl: "./icons/LogoSponsorBlocker256px.png"
});
}
//set the previous video id to the currentID
previousVideoID = currentVideoID;
});
} else {
previousVideoID = currentVideoID;
}
}
function getUserID(callback) {
if (userID != null) {
callback(userID);
}
//if it is not cached yet, grab it from storage
chrome.storage.local.get(["userID"], function(result) {
let userIDStorage = result.userID;
if (userIDStorage != undefined) {
userID = userIDStorage;
callback(userID);
} else {
//generate a userID
userID = generateUUID();
//save this UUID
chrome.storage.local.set({"userID": userID});
callback(userID);
}
});
}
function getYouTubeVideoID(url) { // Return video id or false
var regExp = /^.*((youtu.be\/)|(v\/)|(\/u\/\w\/)|(embed\/)|(watch\?))\??v?=?([^#\&\?]*).*/;
var match = url.match(regExp);
return (match && match[7].length == 11) ? match[7] : false;
}
//uuid generator function from https://gist.github.com/jed/982883
function generateUUID(a){return a?(a^Math.random()*16>>a/4).toString(16):([1e7]+-1e3+-4e3+-8e3+-1e11).replace(/[018]/g,generateUUID)}
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