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Delta Between Two Patch Sets: background.js

Issue 29410607: Issue 5090 - Use user stylesheets for element hiding if possible (Closed)
Left Patch Set: Check platform and platform version for user stylesheet support Created April 20, 2017, 12:42 p.m.
Right Patch Set: Update message and file names Created July 9, 2017, 12:07 p.m.
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LEFTRIGHT
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) 2006-2017 eyeo GmbH 3 * Copyright (C) 2006-2017 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 "use strict"; 18 "use strict";
19 19
20 const {RegExpFilter} = require("filterClasses");
21 const {ElemHide} = require("elemHide");
22 const {checkWhitelisted} = require("whitelisting");
23 const {extractHostFromFrame} = require("url");
24 const {userStylesheetsSupported, hideElements} = require("css");
25 const {port} = require("messaging"); 20 const {port} = require("messaging");
26 const devtools = require("devtools");
27
28 port.on("get-selectors", (msg, sender) =>
29 {
30 let selectors;
31 let trace = devtools && devtools.hasPanel(sender.page);
32
33 if (!checkWhitelisted(sender.page, sender.frame,
34 RegExpFilter.typeMap.DOCUMENT |
35 RegExpFilter.typeMap.ELEMHIDE))
36 {
37 let specificOnly = checkWhitelisted(sender.page, sender.frame,
38 RegExpFilter.typeMap.GENERICHIDE);
39 selectors = ElemHide.getSelectorsForDomain(
40 extractHostFromFrame(sender.frame),
41 specificOnly ? ElemHide.SPECIFIC_ONLY : ElemHide.ALL_MATCHING
42 );
43 }
44 else
45 {
46 selectors = [];
47 }
48
49 if (!userStylesheetsSupported)
50 return {selectors, trace, inject: true};
51
52 return new Promise(resolve =>
53 {
54 hideElements(sender.page.id, sender.frame.id, selectors, error =>
55 {
56 let response = {trace, inject: !!error};
57
58 if (trace || error)
59 response.selectors = selectors;
60
61 resolve(response);
62 });
63 });
64 });
65
66 port.on("hide-elements", (msg, sender) =>
67 {
68 return new Promise(resolve =>
69 {
70 hideElements(sender.page.id, sender.frame.id, msg.selectors, error =>
71 {
72 resolve({success: !error});
73 });
74 });
75 });
76 21
77 port.on("forward", (msg, sender) => 22 port.on("forward", (msg, sender) =>
78 { 23 {
79 let targetPage; 24 let targetPage;
80 if (msg.targetPageId) 25 if (msg.targetPageId)
81 targetPage = ext.getPage(msg.targetPageId); 26 targetPage = ext.getPage(msg.targetPageId);
82 else 27 else
83 targetPage = sender.page; 28 targetPage = sender.page;
84 29
85 if (targetPage) 30 if (targetPage)
86 { 31 {
87 msg.payload.sender = sender.page.id; 32 msg.payload.sender = sender.page.id;
88 if (msg.expectsResponse) 33 if (msg.expectsResponse)
89 return new Promise(targetPage.sendMessage.bind(targetPage, msg.payload)); 34 return new Promise(targetPage.sendMessage.bind(targetPage, msg.payload));
90 targetPage.sendMessage(msg.payload); 35 targetPage.sendMessage(msg.payload);
91 } 36 }
92 }); 37 });
LEFTRIGHT
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