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1 /* | 1 /* |
2 * This file is part of Adblock Plus <https://adblockplus.org/>, | 2 * This file is part of Adblock Plus <https://adblockplus.org/>, |
3 * Copyright (C) 2006-2016 Eyeo GmbH | 3 * Copyright (C) 2006-2016 Eyeo GmbH |
4 * | 4 * |
5 * Adblock Plus is free software: you can redistribute it and/or modify | 5 * Adblock Plus is free software: you can redistribute it and/or modify |
6 * it under the terms of the GNU General Public License version 3 as | 6 * it under the terms of the GNU General Public License version 3 as |
7 * published by the Free Software Foundation. | 7 * published by the Free Software Foundation. |
8 * | 8 * |
9 * Adblock Plus is distributed in the hope that it will be useful, | 9 * Adblock Plus is distributed in the hope that it will be useful, |
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
12 * GNU General Public License for more details. | 12 * GNU General Public License for more details. |
13 * | 13 * |
14 * You should have received a copy of the GNU General Public License | 14 * You should have received a copy of the GNU General Public License |
15 * along with Adblock Plus. If not, see <http://www.gnu.org/licenses/>. | 15 * along with Adblock Plus. If not, see <http://www.gnu.org/licenses/>. |
16 */ | 16 */ |
17 | 17 |
18 /* globals Services, XPCOMUtils */ | |
19 | |
20 "use strict"; | 18 "use strict"; |
21 | 19 |
22 /** | 20 /** |
23 * @fileOverview Component synchronizing filter storage with Matcher | 21 * @fileOverview Component synchronizing filter storage with Matcher |
24 * instances and ElemHide. | 22 * instances and ElemHide. |
25 */ | 23 */ |
26 | 24 |
27 Cu.import("resource://gre/modules/XPCOMUtils.jsm"); | 25 const {Services} = Cu.import("resource://gre/modules/Services.jsm", {}); |
28 Cu.import("resource://gre/modules/Services.jsm"); | 26 const {XPCOMUtils} = Cu.import("resource://gre/modules/XPCOMUtils.jsm", {}); |
29 | 27 |
30 let {FilterStorage} = require("filterStorage"); | 28 const {FilterStorage} = require("filterStorage"); |
31 let {FilterNotifier} = require("filterNotifier"); | 29 const {FilterNotifier} = require("filterNotifier"); |
32 let {ElemHide} = require("elemHide"); | 30 const {ElemHide} = require("elemHide"); |
33 let {ElemHideEmulation} = require("elemHideEmulation"); | 31 const {ElemHideEmulation} = require("elemHideEmulation"); |
34 let {defaultMatcher} = require("matcher"); | 32 const {defaultMatcher} = require("matcher"); |
35 let {ActiveFilter, RegExpFilter, ElemHideBase, ElemHideEmulationFilter} = | 33 const {ActiveFilter, RegExpFilter, |
36 require("filterClasses"); | 34 ElemHideBase, ElemHideEmulationFilter} = require("filterClasses"); |
37 let {Prefs} = require("prefs"); | 35 const {Prefs} = require("prefs"); |
38 | 36 |
39 /** | 37 /** |
40 * Increases on filter changes, filters will be saved if it exceeds 1. | 38 * Increases on filter changes, filters will be saved if it exceeds 1. |
41 * @type {Integer} | 39 * @type {number} |
42 */ | 40 */ |
43 let isDirty = 0; | 41 let isDirty = 0; |
44 | 42 |
45 /** | 43 /** |
46 * This object can be used to change properties of the filter change listeners. | 44 * This object can be used to change properties of the filter change listeners. |
47 * @class | 45 * @class |
48 */ | 46 */ |
49 let FilterListener = { | 47 let FilterListener = { |
50 /** | 48 /** |
51 * Increases "dirty factor" of the filters and calls | 49 * Increases "dirty factor" of the filters and calls |
52 * FilterStorage.saveToDisk() if it becomes 1 or more. Save is | 50 * FilterStorage.saveToDisk() if it becomes 1 or more. Save is |
53 * executed delayed to prevent multiple subsequent calls. If the | 51 * executed delayed to prevent multiple subsequent calls. If the |
54 * parameter is 0 it forces saving filters if any changes were | 52 * parameter is 0 it forces saving filters if any changes were |
55 * recorded after the previous save. | 53 * recorded after the previous save. |
56 * @param {Integer} factor | 54 * @param {number} factor |
57 */ | 55 */ |
58 setDirty(factor) | 56 setDirty(factor) |
59 { | 57 { |
60 if (factor == 0 && isDirty > 0) | 58 if (factor == 0 && isDirty > 0) |
61 isDirty = 1; | 59 isDirty = 1; |
62 else | 60 else |
63 isDirty += factor; | 61 isDirty += factor; |
64 if (isDirty >= 1) | 62 if (isDirty >= 1) |
65 { | 63 { |
66 isDirty = 0; | 64 isDirty = 0; |
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202 // filters applying there. We have ten prime numbers to use as iteration step, | 200 // filters applying there. We have ten prime numbers to use as iteration step, |
203 // any of those can be chosen as long as the array length isn't divisible by | 201 // any of those can be chosen as long as the array length isn't divisible by |
204 // it. | 202 // it. |
205 let len = filters.length; | 203 let len = filters.length; |
206 if (!len) | 204 if (!len) |
207 return; | 205 return; |
208 | 206 |
209 let current = (Math.random() * len) | 0; | 207 let current = (Math.random() * len) | 0; |
210 let step; | 208 let step; |
211 do | 209 do |
| 210 { |
212 step = primes[(Math.random() * primes.length) | 0]; | 211 step = primes[(Math.random() * primes.length) | 0]; |
213 while (len % step == 0); | 212 } while (len % step == 0); |
214 | 213 |
215 for (let i = 0; i < len; i++, current = (current + step) % len) | 214 for (let i = 0; i < len; i++, current = (current + step) % len) |
216 addFilter(filters[current]); | 215 addFilter(filters[current]); |
217 } | 216 } |
218 | 217 |
219 function onSubscriptionAdded(subscription) | 218 function onSubscriptionAdded(subscription) |
220 { | 219 { |
221 FilterListener.setDirty(1); | 220 FilterListener.setDirty(1); |
222 | 221 |
223 if (!subscription.disabled) | 222 if (!subscription.disabled) |
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312 { | 311 { |
313 if (!subscription.disabled) | 312 if (!subscription.disabled) |
314 addFilters(subscription.filters); | 313 addFilters(subscription.filters); |
315 } | 314 } |
316 } | 315 } |
317 | 316 |
318 function onSave() | 317 function onSave() |
319 { | 318 { |
320 isDirty = 0; | 319 isDirty = 0; |
321 } | 320 } |
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