activity.js

'use strict';

class Activity {
    addTab(tab) {
        if (this.isValidPage(tab) === true) {
            if (tab.id && (tab.id != 0)) {
                tabs = tabs || [];
                var domain = this.extractHostname(tab.url);
                if (this.isNewUrl(domain)) {
                    var newTab = new Tab(domain, tab.favIconUrl);
                    tabs.push(newTab);
                }
            }
        }
    }

    isValidPage(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;
    }

    isNewUrl(domain) {
        if (tabs.length > 0)
            return tabs.find(o => o.url === domain) === undefined;
        else return true;
    }

    getTab(domain) {
        return tabs.find(o => o.url === domain);
    }

    extractHostname(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;
    }

    loadDataFromStorage(){
        var tabs = storage.load(STORAGE_TABS);
    }
};