Side by Side Diff: include.preload.js
Issue 29714555:
Issue 6441 - Avoid unnecessary shadow root (Closed)
Base URL: https://hg.adblockplus.org/adblockpluschrome/
Patch Set:
Created March 5, 2018, 9:47 a.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-present eyeo GmbH | 3 * Copyright (C) 2006-present 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 |
| (...skipping 323 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
| 334 disconnect() | 334 disconnect() |
| 335 { | 335 { |
| 336 document.removeEventListener("DOMContentLoaded", this.trace); | 336 document.removeEventListener("DOMContentLoaded", this.trace); |
| 337 this.observer.disconnect(); | 337 this.observer.disconnect(); |
| 338 clearTimeout(this.timeout); | 338 clearTimeout(this.timeout); |
| 339 } | 339 } |
| 340 }; | 340 }; |
| 341 | 341 |
| 342 function ElemHide() | 342 function ElemHide() |
| 343 { | 343 { |
| 344 this.shadow = this.createShadowTree(); | 344 this.shadow = null; |
| 345 this.styles = new Map(); | 345 this.styles = new Map(); |
| 346 this.tracer = null; | 346 this.tracer = null; |
| 347 this.inline = true; | 347 this.inline = true; |
| 348 this.inlineEmulated = true; | 348 this.inlineEmulated = true; |
| 349 this.emulatedPatterns = null; | 349 this.emulatedPatterns = null; |
| 350 | 350 |
| 351 this.elemHideEmulation = new ElemHideEmulation( | 351 this.elemHideEmulation = new ElemHideEmulation( |
| 352 this.addSelectors.bind(this), | 352 this.addSelectors.bind(this), |
| 353 this.hideElements.bind(this) | 353 this.hideElements.bind(this) |
| 354 ); | 354 ); |
| (...skipping 33 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
| 388 { | 388 { |
| 389 while (style.sheet.cssRules.length > 0) | 389 while (style.sheet.cssRules.length > 0) |
| 390 style.sheet.deleteRule(0); | 390 style.sheet.deleteRule(0); |
| 391 } | 391 } |
| 392 | 392 |
| 393 if (selectors.length == 0) | 393 if (selectors.length == 0) |
| 394 return; | 394 return; |
| 395 | 395 |
| 396 if (!style) | 396 if (!style) |
| 397 { | 397 { |
| 398 if (!this.shadow) | |
| 399 this.shadow = this.createShadowTree(); | |
| 400 | |
| 398 // Create <style> element lazily, only if we add styles. Add it to | 401 // Create <style> element lazily, only if we add styles. Add it to |
| 399 // the shadow DOM if possible. Otherwise fallback to the <head> or | 402 // the shadow DOM if possible. Otherwise fallback to the <head> or |
| 400 // <html> element. If we have injected a style element before that | 403 // <html> element. If we have injected a style element before that |
| 401 // has been removed (the sheet property is null), create a new one. | 404 // has been removed (the sheet property is null), create a new one. |
| 402 style = document.createElement("style"); | 405 style = document.createElement("style"); |
| 403 (this.shadow || document.head || | 406 (this.shadow || document.head || |
| 404 document.documentElement).appendChild(style); | 407 document.documentElement).appendChild(style); |
| 405 | 408 |
| 406 // It can happen that the frame already navigated to a different | 409 // It can happen that the frame already navigated to a different |
| 407 // document while we were waiting for the background page to respond. | 410 // document while we were waiting for the background page to respond. |
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| 537 let element = event.target; | 540 let element = event.target; |
| 538 if (/^i?frame$/.test(element.localName)) | 541 if (/^i?frame$/.test(element.localName)) |
| 539 checkCollapse(element); | 542 checkCollapse(element); |
| 540 }, true); | 543 }, true); |
| 541 } | 544 } |
| 542 | 545 |
| 543 window.checkCollapse = checkCollapse; | 546 window.checkCollapse = checkCollapse; |
| 544 window.elemhide = elemhide; | 547 window.elemhide = elemhide; |
| 545 window.typeMap = typeMap; | 548 window.typeMap = typeMap; |
| 546 window.getURLsFromElement = getURLsFromElement; | 549 window.getURLsFromElement = getURLsFromElement; |
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