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Delta Between Two Patch Sets: chrome/ext/background.js

Issue 29350213: Issue 4364 - Drop support for Chrome 29-40 and remove legacy code (Closed)
Left Patch Set: Got rid of init(), refactored element hiding code into a class Created Aug. 25, 2016, 3:10 p.m.
Right Patch Set: Rephrased comment Created Sept. 13, 2016, 3:20 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) 2006-2016 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
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103 onActivated: new ext._EventTarget(), 103 onActivated: new ext._EventTarget(),
104 onRemoved: new ext._EventTarget() 104 onRemoved: new ext._EventTarget()
105 }; 105 };
106 106
107 chrome.tabs.onUpdated.addListener(function(tabId, changeInfo, tab) 107 chrome.tabs.onUpdated.addListener(function(tabId, changeInfo, tab)
108 { 108 {
109 if (changeInfo.status == "loading") 109 if (changeInfo.status == "loading")
110 ext.pages.onLoading._dispatch(new Page(tab)); 110 ext.pages.onLoading._dispatch(new Page(tab));
111 }); 111 });
112 112
113 function createFrame(tabId, frameId)
114 {
115 var frames = framesOfTabs[tabId];
116 if (!frames)
117 frames = framesOfTabs[tabId] = Object.create(null);
118
119 var frame = frames[frameId];
120 if (!frame)
121 frame = frames[frameId] = {};
122
123 return frame;
124 }
125
113 chrome.webNavigation.onBeforeNavigate.addListener(function(details) 126 chrome.webNavigation.onBeforeNavigate.addListener(function(details)
127 {
128 // Capture parent frame here because onCommitted doesn't get this info.
129 var frame = createFrame(details.tabId, details.frameId);
130 frame.parent = framesOfTabs[details.tabId][details.parentFrameId] || null;
131 });
132
133 chrome.webNavigation.onCommitted.addListener(function(details)
114 { 134 {
115 if (details.frameId == 0) 135 if (details.frameId == 0)
116 { 136 {
117 ext._removeFromAllPageMaps(details.tabId); 137 ext._removeFromAllPageMaps(details.tabId);
118 138
119 chrome.tabs.get(details.tabId, function() 139 chrome.tabs.get(details.tabId, function()
120 { 140 {
121 // If the tab is prerendered, chrome.tabs.get() sets 141 // If the tab is prerendered, chrome.tabs.get() sets
122 // chrome.runtime.lastError and we have to dispatch the onLoading event, 142 // chrome.runtime.lastError and we have to dispatch the onLoading event,
123 // since the onUpdated event isn't dispatched for prerendered tabs. 143 // since the onUpdated event isn't dispatched for prerendered tabs.
124 // However, we have to keep relying on the unUpdated event for tabs that 144 // However, we have to keep relying on the unUpdated event for tabs that
125 // are already visible. Otherwise browser action changes get overridden 145 // are already visible. Otherwise browser action changes get overridden
126 // when Chrome automatically resets them on navigation. 146 // when Chrome automatically resets them on navigation.
127 if (chrome.runtime.lastError) 147 if (chrome.runtime.lastError)
128 { 148 {
129 ext.pages.onLoading._dispatch( 149 ext.pages.onLoading._dispatch(
130 new Page({ 150 new Page({
131 id: details.tabId, 151 id: details.tabId,
132 url: details.url 152 url: details.url
133 }) 153 })
134 ); 154 );
135 } 155 }
136 }); 156 });
137 } 157 }
138 158
139 // Add or update frame in frame structure 159 // Update frame URL in frame structure
140 var frames = framesOfTabs[details.tabId]; 160 var frame = createFrame(details.tabId, details.frameId);
141 if (!frames) 161 frame.url = new URL(details.url);
142 frames = framesOfTabs[details.tabId] = Object.create(null);
143
144 frames[details.frameId] = {
145 parent: frames[details.parentFrameId] || null,
146 url: new URL(details.url)
147 };
148 }); 162 });
149 163
150 function forgetTab(tabId) 164 function forgetTab(tabId)
151 { 165 {
152 ext.pages.onRemoved._dispatch(tabId); 166 ext.pages.onRemoved._dispatch(tabId);
153 167
154 ext._removeFromAllPageMaps(tabId); 168 ext._removeFromAllPageMaps(tabId);
155 delete framesOfTabs[tabId]; 169 delete framesOfTabs[tabId];
156 } 170 }
157 171
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462 if (parentFrameId != -1) 476 if (parentFrameId != -1)
463 frames[details[i].frameId].parent = frames[parentFrameId]; 477 frames[details[i].frameId].parent = frames[parentFrameId];
464 } 478 }
465 } 479 }
466 }); 480 });
467 }); 481 });
468 }); 482 });
469 483
470 chrome.webRequest.onBeforeRequest.addListener(function(details) 484 chrome.webRequest.onBeforeRequest.addListener(function(details)
471 { 485 {
472 // the high-level code isn't interested in requests that aren't 486 // The high-level code isn't interested in requests that aren't
473 // related to a tab or requests loading a top-level document, 487 // related to a tab or requests loading a top-level document,
474 // those should never be blocked 488 // those should never be blocked.
475 if (details.tabId == -1 || details.type == "main_frame") 489 if (details.tabId == -1 || details.type == "main_frame")
476 return; 490 return;
477 491
478 // we are looking for the frame that contains the element that 492 // We are looking for the frame that contains the element which
479 // is about to load, however if a frame is loading the surrounding 493 // has triggered this request. For most requests (e.g. images) we
480 // frame is indicated by parentFrameId instead of frameId 494 // can just use the request's frame ID, but for subdocument requests
495 // (e.g. iframes) we must instead use the request's parent frame ID.
481 var frameId; 496 var frameId;
482 var requestType; 497 var requestType;
483 if (details.type == "sub_frame") 498 if (details.type == "sub_frame")
484 { 499 {
485 frameId = details.parentFrameId; 500 frameId = details.parentFrameId;
486 requestType = "SUBDOCUMENT"; 501 requestType = "SUBDOCUMENT";
487 } 502 }
488 else 503 else
489 { 504 {
490 frameId = details.frameId; 505 frameId = details.frameId;
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612 ext.windows = { 627 ext.windows = {
613 create: function(createData, callback) 628 create: function(createData, callback)
614 { 629 {
615 chrome.windows.create(createData, function(createdWindow) 630 chrome.windows.create(createData, function(createdWindow)
616 { 631 {
617 afterTabLoaded(callback)(createdWindow.tabs[0]); 632 afterTabLoaded(callback)(createdWindow.tabs[0]);
618 }); 633 });
619 } 634 }
620 }; 635 };
621 })(); 636 })();
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