web-activity-time-tracker/scripts/background.js at c7bb455663e73259c8e18dda9036d097c3b2b0d0 · rubycoder/web-activity-time-tracker · GitHub

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window.onload = function () {
    window.timer = new WebTimer();
    chrome.tabs.onActivated.addListener(function (info) {
        chrome.tabs.get(info.tabId, function (tab) {
            window.timer.addTab(tab);
        });
    });
};

var WebTimer = function () { };

WebTimer.prototype = {
    tabs: [],
    activeTab: {},

    addTab: function (tab) {
        if (this.isValidPage(tab) === true) {
            if (tab.id && (tab.id != 0)) {
                this.tabs = this.tabs || [];
                var domain = this.extractRootDomain(tab.url);
                if (!this.tabs.includes(domain)){
                    this.tabs.push(domain);
                }
                this.activeTab = domain;
            }
        }
    },

    extractRootDomain: function (url) {
        var domain = this.extractHostname(url),
            splitArr = domain.split('.'),
            arrLen = splitArr.length;

        if (arrLen > 2) {
            domain = splitArr[arrLen - 2] + '.' + splitArr[arrLen - 1];
            if (splitArr[arrLen - 2].length == 2 && splitArr[arrLen - 1].length == 2) {
                domain = splitArr[arrLen - 3] + '.' + domain;
            }
        }
        return domain;
    },

    extractHostname: function(url) {
        var hostname;

        if (url.indexOf("//") > -1) {
            hostname = url.split('/')[2];
        }
        else {
            hostname = url.split('/')[0];
        }

        hostname = hostname.split(':')[0];
        hostname = hostname.split('?')[0];

        return hostname;
    },

    isValidPage: function (tab) {
        if (!tab || !tab.url || (tab.url.indexOf('http:') == -1 && tab.url.indexOf('https:') == -1)
            || tab.url.indexOf('chrome://') !== -1
            || tab.url.indexOf('chrome-extension://') !== -1)
            return false;
        return true;
    }
};