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Issue 29329742: Issue 3251 - Simplify messaging from child scripts to parent (Closed)
Patch Set: Created Nov. 4, 2015, 2:58 p.m.
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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) 2006-2015 Eyeo GmbH 3 * Copyright (C) 2006-2015 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 /** 18 /**
19 * @fileOverview Stores Adblock Plus data to be attached to a window. 19 * @fileOverview Stores Adblock Plus data to be attached to a window.
20 */ 20 */
21 21
22 let {Utils} = require("utils");
23
22 let windowSelection = new WeakMap(); 24 let windowSelection = new WeakMap();
23 let requestNotifierMaxId = 0; 25 let requestNotifierMaxId = 0;
24 26
25 /** 27 /**
26 * Active RequestNotifier instances by their ID 28 * Active RequestNotifier instances by their ID
27 * @type Map.<number,RequestNotifier> 29 * @type Map.<number,RequestNotifier>
28 */ 30 */
29 let notifiers = new Map(); 31 let notifiers = new Map();
30 32
31 let messageManager = Cc["@mozilla.org/parentprocessmessagemanager;1"] 33 let messageManager = Cc["@mozilla.org/parentprocessmessagemanager;1"]
32 .getService(Ci.nsIMessageListenerManager) 34 .getService(Ci.nsIMessageListenerManager)
33 .QueryInterface(Ci.nsIMessageBroadcaster); 35 .QueryInterface(Ci.nsIMessageBroadcaster);
34 messageManager.addMessageListener("AdblockPlus:FoundNodeData", onNodeData);
35 messageManager.addMessageListener("AdblockPlus:ScanComplete", onScanComplete);
36 36
37 onShutdown.add(() => { 37 Utils.addChildMessageListener("AdblockPlus:FoundNodeData", onNodeData);
38 messageManager.removeMessageListener("AdblockPlus:FoundNodeData", onNodeData); 38 Utils.addChildMessageListener("AdblockPlus:ScanComplete", onScanComplete);
39 messageManager.removeMessageListener("AdblockPlus:ScanComplete", onScanComplet e);
40 });
41 39
42 function onNodeData(message) 40 function onNodeData({notifierID, data})
43 { 41 {
44 let {notifierID, data} = message.data;
45 let notifier = notifiers.get(notifierID); 42 let notifier = notifiers.get(notifierID);
46 if (notifier) 43 if (notifier)
47 notifier.notifyListener(data); 44 notifier.notifyListener(data);
48 } 45 }
49 46
50 function onScanComplete(message) 47 function onScanComplete(notifierID)
51 { 48 {
52 let notifier = notifiers.get(message.data); 49 let notifier = notifiers.get(notifierID);
53 if (notifier) 50 if (notifier)
54 notifier.onComplete(); 51 notifier.onComplete();
55 } 52 }
56 53
57 /** 54 /**
58 * Creates a notifier object for a particular window. After creation the window 55 * Creates a notifier object for a particular window. After creation the window
59 * will first be scanned for previously saved requests. Once that scan is 56 * will first be scanned for previously saved requests. Once that scan is
60 * complete only new requests for this window will be reported. 57 * complete only new requests for this window will be reported.
61 * @param {Integer} outerWindowID ID of the window to attach the notifier to 58 * @param {Integer} outerWindowID ID of the window to attach the notifier to
62 * @param {Function} listener listener to be called whenever a new request is f ound 59 * @param {Function} listener listener to be called whenever a new request is f ound
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190 node = node.parentNode; 187 node = node.parentNode;
191 } 188 }
192 else 189 else
193 { 190 {
194 node = null; 191 node = null;
195 } 192 }
196 } 193 }
197 194
198 return null; 195 return null;
199 }; 196 };
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