qBittorrent/src/webui/www/private/scripts/prop-webseeds.js

/*
 * Bittorrent Client using Qt and libtorrent.
 * Copyright (C) 2015  Diego de las Heras <ngosang@hotmail.es>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 * In addition, as a special exception, the copyright holders give permission to
 * link this program with the OpenSSL project's "OpenSSL" library (or with
 * modified versions of it that use the same license as the "OpenSSL" library),
 * and distribute the linked executables. You must obey the GNU General Public
 * License in all respects for all of the code used other than "OpenSSL".  If you
 * modify file(s), you may extend this exception to your version of the file(s),
 * but you are not obligated to do so. If you do not wish to do so, delete this
 * exception statement from your version.
 */

'use strict';

const webseedsDynTable = new Class({

    initialize: function() {},

    setup: function(table) {
        this.table = $(table);
        this.rows = new Hash();
    },

    removeRow: function(url) {
        if (this.rows.has(url)) {
            const tr = this.rows.get(url);
            tr.dispose();
            this.rows.erase(url);
            return true;
        }
        return false;
    },

    removeAllRows: function() {
        this.rows.each(function(tr, url) {
            this.removeRow(url);
        }.bind(this));
    },

    updateRow: function(tr, row) {
        const tds = tr.getElements('td');
        for (let i = 0; i < row.length; ++i) {
            tds[i].set('html', row[i]);
        }
        return true;
    },

    insertRow: function(row) {
        const url = row[0];
        if (this.rows.has(url)) {
            const tableRow = this.rows.get(url);
            this.updateRow(tableRow, row);
            return;
        }
        //this.removeRow(id);
        const tr = new Element('tr');
        this.rows.set(url, tr);
        for (let i = 0; i < row.length; ++i) {
            const td = new Element('td');
            td.set('html', row[i]);
            td.injectInside(tr);
        }
        tr.injectInside(this.table);
    },
});

this.current_hash = "";

let loadWebSeedsDataTimer;
const loadWebSeedsData = function() {
    if ($('prop_webseeds').hasClass('invisible')
        || $('propertiesPanel_collapseToggle').hasClass('panel-expand')) {
        // Tab changed, don't do anything
        return;
    }
    const new_hash = torrentsTable.getCurrentTorrentHash();
    if (new_hash === "") {
        wsTable.removeAllRows();
        clearTimeout(loadWebSeedsDataTimer);
        loadWebSeedsDataTimer = loadWebSeedsData.delay(10000);
        return;
    }
    if (new_hash != current_hash) {
        wsTable.removeAllRows();
        current_hash = new_hash;
    }
    const url = new URI('api/v2/torrents/webseeds?hash=' + current_hash);
    new Request.JSON({
        url: url,
        noCache: true,
        method: 'get',
        onFailure: function() {
            $('error_div').set('html', 'QBT_TR(qBittorrent client is not reachable)QBT_TR[CONTEXT=HttpServer]');
            clearTimeout(loadWebSeedsDataTimer);
            loadWebSeedsDataTimer = loadWebSeedsData.delay(20000);
        },
        onSuccess: function(webseeds) {
            $('error_div').set('html', '');
            if (webseeds) {
                // Update WebSeeds data
                webseeds.each(function(webseed) {
                    const row = [];
                    row.length = 1;
                    row[0] = webseed.url;
                    wsTable.insertRow(row);
                });
            }
            else {
                wsTable.removeAllRows();
            }
            clearTimeout(loadWebSeedsDataTimer);
            loadWebSeedsDataTimer = loadWebSeedsData.delay(10000);
        }
    }).send();
};

updateWebSeedsData = function() {
    clearTimeout(loadWebSeedsDataTimer);
    loadWebSeedsData();
};

const wsTable = new webseedsDynTable();
wsTable.setup($('webseedsTable'));