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Issue 9615013: Crawler, first version (Closed)
Patch Set: Created March 6, 2013, 4:05 a.m.
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1 /*
2 * This Source Code is subject to the terms of the Mozilla Public License
3 * version 2.0 (the "License"). You can obtain a copy of the License at
4 * http://mozilla.org/MPL/2.0/.
5 */
6
7 const Cu = Components.utils;
8
9 Cu.import("resource://gre/modules/Services.jsm");
10
11 let crawling = false;
12
13 function require(module)
14 {
15 let result = {};
16 result.wrappedJSObject = result;
17 Services.obs.notifyObservers(result, "abpcrawler-require", module);
18 return result.exports;
19 }
20
21 let {Crawler} = require("crawler");
22
23 function onUnload()
24 {
25 const fields = ["backend-url", "parallel-tabs"];
26 fields.forEach(function(field)
27 {
28 let control = document.getElementById(field);
29 control.setAttribute("value", control.value);
30 });
31 }
32
33 function getBackendUrl()
34 {
35 let backendUrlTextBox = document.getElementById("backend-url");
36 return backendUrlTextBox.value;
37 }
38
39 function getParallelTabs()
40 {
41 let parallelTabsTextBox = document.getElementById("parallel-tabs");
42 return parseInt(parallelTabsTextBox.value);
43 }
44
45 function onAccept()
46 {
47 let backendUrl = getBackendUrl();
48 let parallelTabs = getParallelTabs();
49 let dialog = document.documentElement;
50 let acceptButton = dialog.getButton("accept");
51 crawling = acceptButton.disabled = true;
52
53 let mainWindow = window.opener;
54 if (!mainWindow || mainWindow.closed)
55 {
56 alert( "Unable to find the main window, aborting.");
57 crawling = acceptButton.disabled = false;
58 }
59 else
60 Crawler.crawl(backendUrl, parallelTabs, mainWindow, function()
61 {
62 crawling = acceptButton.disabled = false;
63 });
64
65 return false;
66 }
67
68 function onCancel()
69 {
70 let closingPossible = !crawling;
71 if (!closingPossible)
72 alert("Crawling still in progress.");
73 return closingPossible;
74 }
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