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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 package org.chromium.distiller; | 5 package org.chromium.distiller; |
6 | 6 |
7 import com.google.gwt.core.client.JsArray; | 7 import com.google.gwt.core.client.JsArray; |
8 import com.google.gwt.core.client.JsArrayString; | 8 import com.google.gwt.core.client.JsArrayString; |
9 import com.google.gwt.dom.client.AnchorElement; | 9 import com.google.gwt.dom.client.AnchorElement; |
10 import com.google.gwt.dom.client.Document; | 10 import com.google.gwt.dom.client.Document; |
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206 return ""; | 206 return ""; |
207 } | 207 } |
208 | 208 |
209 NodeTree expanded = NodeListExpander.expand(outputNodes); | 209 NodeTree expanded = NodeListExpander.expand(outputNodes); |
210 Node clonedSubtree = expanded.cloneSubtreeRetainDirection(); | 210 Node clonedSubtree = expanded.cloneSubtreeRetainDirection(); |
211 | 211 |
212 if (clonedSubtree.getNodeType() != Node.ELEMENT_NODE) return ""; | 212 if (clonedSubtree.getNodeType() != Node.ELEMENT_NODE) return ""; |
213 | 213 |
214 stripIds(clonedSubtree); | 214 stripIds(clonedSubtree); |
215 makeAllLinksAbsolute(clonedSubtree); | 215 makeAllLinksAbsolute(clonedSubtree); |
| 216 stripTargetAttributes(clonedSubtree); |
216 stripFontColorAttributes(clonedSubtree); | 217 stripFontColorAttributes(clonedSubtree); |
217 stripTableBackgroundColorAttributes(clonedSubtree); | 218 stripTableBackgroundColorAttributes(clonedSubtree); |
218 stripStyleAttributes(clonedSubtree); | 219 stripStyleAttributes(clonedSubtree); |
219 stripImageElements(clonedSubtree); | 220 stripImageElements(clonedSubtree); |
220 | 221 |
221 if (textOnly) { | 222 if (textOnly) { |
222 return DomUtil.getTextFromTree(clonedSubtree); | 223 return DomUtil.getTextFromTree(clonedSubtree); |
223 } | 224 } |
224 return Element.as(clonedSubtree).getString(); | 225 return Element.as(clonedSubtree).getString(); |
225 } | 226 } |
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395 } | 396 } |
396 | 397 |
397 /** | 398 /** |
398 * Strips all "style" attributes from all nodes in the tree rooted at |rootN
ode| | 399 * Strips all "style" attributes from all nodes in the tree rooted at |rootN
ode| |
399 */ | 400 */ |
400 public static void stripStyleAttributes(Node rootNode) { | 401 public static void stripStyleAttributes(Node rootNode) { |
401 stripAttributeFromTags(rootNode, "STYLE", new String[]{"*"}); | 402 stripAttributeFromTags(rootNode, "STYLE", new String[]{"*"}); |
402 } | 403 } |
403 | 404 |
404 /** | 405 /** |
| 406 * Strips all "target" attributes from anchor nodes in the tree rooted at |r
ootNode| |
| 407 */ |
| 408 public static void stripTargetAttributes(Node rootNode) { |
| 409 stripAttributeFromTags(rootNode, "TARGET", new String[]{"A"}); |
| 410 } |
| 411 |
| 412 /** |
405 * Get a list of relevant nodes from a subtree. | 413 * Get a list of relevant nodes from a subtree. |
406 * @param root The root of the subtree. | 414 * @param root The root of the subtree. |
407 * @return A list of relevant nodes. | 415 * @return A list of relevant nodes. |
408 */ | 416 */ |
409 public static List<Node> getOutputNodes(Node root) { | 417 public static List<Node> getOutputNodes(Node root) { |
410 final List<Node> nodes = new ArrayList<>(); | 418 final List<Node> nodes = new ArrayList<>(); |
411 new DomWalker(new DomWalker.Visitor() { | 419 new DomWalker(new DomWalker.Visitor() { |
412 @Override | 420 @Override |
413 public boolean visit(Node n) { | 421 public boolean visit(Node n) { |
414 switch (n.getNodeType()) { | 422 switch (n.getNodeType()) { |
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465 }-*/; | 473 }-*/; |
466 | 474 |
467 public static native Document createHTMLDocument(Document doc) /*-{ | 475 public static native Document createHTMLDocument(Document doc) /*-{ |
468 return doc.implementation.createHTMLDocument(); | 476 return doc.implementation.createHTMLDocument(); |
469 }-*/; | 477 }-*/; |
470 | 478 |
471 public static native Element getFirstElementChild(Document document) /*-{ | 479 public static native Element getFirstElementChild(Document document) /*-{ |
472 return document.firstElementChild; | 480 return document.firstElementChild; |
473 }-*/; | 481 }-*/; |
474 } | 482 } |
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