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1 /* | 1 /* |
2 * Copyright (C) 2007 Apple Inc. All rights reserved. | 2 * Copyright (C) 2007 Apple Inc. All rights reserved. |
3 * (C) 2008 Nikolas Zimmermann <zimmermann@kde.org> | 3 * (C) 2008 Nikolas Zimmermann <zimmermann@kde.org> |
4 * | 4 * |
5 * This library is free software; you can redistribute it and/or | 5 * This library is free software; you can redistribute it and/or |
6 * modify it under the terms of the GNU Library General Public | 6 * modify it under the terms of the GNU Library General Public |
7 * License as published by the Free Software Foundation; either | 7 * License as published by the Free Software Foundation; either |
8 * version 2 of the License, or (at your option) any later version. | 8 * version 2 of the License, or (at your option) any later version. |
9 * | 9 * |
10 * This library is distributed in the hope that it will be useful, | 10 * This library is distributed in the hope that it will be useful, |
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266 notifyNodeRemovedFromTree(toContainerNode(node)); | 266 notifyNodeRemovedFromTree(toContainerNode(node)); |
267 } | 267 } |
268 | 268 |
269 class ChildFrameDisconnector { | 269 class ChildFrameDisconnector { |
270 public: | 270 public: |
271 enum DisconnectPolicy { | 271 enum DisconnectPolicy { |
272 RootAndDescendants, | 272 RootAndDescendants, |
273 DescendantsOnly | 273 DescendantsOnly |
274 }; | 274 }; |
275 | 275 |
276 explicit ChildFrameDisconnector(Node* root) | 276 explicit ChildFrameDisconnector(Node& root) |
277 : m_root(root) | 277 : m_root(root) |
278 { | 278 { |
279 } | 279 } |
280 | 280 |
281 void disconnect(DisconnectPolicy = RootAndDescendants); | 281 void disconnect(DisconnectPolicy = RootAndDescendants); |
282 | 282 |
283 private: | 283 private: |
284 void collectFrameOwners(Node* root); | 284 void collectFrameOwners(Node& root); |
285 void collectFrameOwners(ElementShadow*); | 285 void collectFrameOwners(ElementShadow&); |
286 void disconnectCollectedFrameOwners(); | 286 void disconnectCollectedFrameOwners(); |
287 | 287 |
288 Vector<RefPtr<HTMLFrameOwnerElement>, 10> m_frameOwners; | 288 Vector<RefPtr<HTMLFrameOwnerElement>, 10> m_frameOwners; |
289 Node* m_root; | 289 Node& m_root; |
290 }; | 290 }; |
291 | 291 |
292 #ifndef NDEBUG | 292 #ifndef NDEBUG |
293 unsigned assertConnectedSubrameCountIsConsistent(Node*); | 293 unsigned assertConnectedSubrameCountIsConsistent(Node&); |
294 #endif | 294 #endif |
295 | 295 |
296 inline void ChildFrameDisconnector::collectFrameOwners(Node* root) | 296 inline void ChildFrameDisconnector::collectFrameOwners(Node& root) |
297 { | 297 { |
298 if (!root->connectedSubframeCount()) | 298 if (!root.connectedSubframeCount()) |
299 return; | 299 return; |
300 | 300 |
301 if (root->isHTMLElement() && root->isFrameOwnerElement()) | 301 if (root.isHTMLElement() && root.isFrameOwnerElement()) |
302 m_frameOwners.append(toHTMLFrameOwnerElement(root)); | 302 m_frameOwners.append(&toHTMLFrameOwnerElement(root)); |
303 | 303 |
304 for (Node* child = root->firstChild(); child; child = child->nextSibling()) | 304 for (Node* child = root.firstChild(); child; child = child->nextSibling()) |
305 collectFrameOwners(child); | 305 collectFrameOwners(*child); |
306 | 306 |
307 ElementShadow* shadow = root->isElementNode() ? toElement(root)->shadow() :
0; | 307 ElementShadow* shadow = root.isElementNode() ? toElement(root).shadow() : 0; |
308 if (shadow) | 308 if (shadow) |
309 collectFrameOwners(shadow); | 309 collectFrameOwners(*shadow); |
310 } | 310 } |
311 | 311 |
312 inline void ChildFrameDisconnector::disconnectCollectedFrameOwners() | 312 inline void ChildFrameDisconnector::disconnectCollectedFrameOwners() |
313 { | 313 { |
314 // Must disable frame loading in the subtree so an unload handler cannot | 314 // Must disable frame loading in the subtree so an unload handler cannot |
315 // insert more frames and create loaded frames in detached subtrees. | 315 // insert more frames and create loaded frames in detached subtrees. |
316 SubframeLoadingDisabler disabler(m_root); | 316 SubframeLoadingDisabler disabler(&m_root); |
317 | 317 |
318 for (unsigned i = 0; i < m_frameOwners.size(); ++i) { | 318 for (unsigned i = 0; i < m_frameOwners.size(); ++i) { |
319 HTMLFrameOwnerElement* owner = m_frameOwners[i].get(); | 319 HTMLFrameOwnerElement* owner = m_frameOwners[i].get(); |
320 // Don't need to traverse up the tree for the first owner since no | 320 // Don't need to traverse up the tree for the first owner since no |
321 // script could have moved it. | 321 // script could have moved it. |
322 if (!i || m_root->containsIncludingShadowDOM(owner)) | 322 if (!i || m_root.containsIncludingShadowDOM(owner)) |
323 owner->disconnectContentFrame(); | 323 owner->disconnectContentFrame(); |
324 } | 324 } |
325 } | 325 } |
326 | 326 |
327 inline void ChildFrameDisconnector::disconnect(DisconnectPolicy policy) | 327 inline void ChildFrameDisconnector::disconnect(DisconnectPolicy policy) |
328 { | 328 { |
329 #ifndef NDEBUG | 329 #ifndef NDEBUG |
330 assertConnectedSubrameCountIsConsistent(m_root); | 330 assertConnectedSubrameCountIsConsistent(m_root); |
331 #endif | 331 #endif |
332 | 332 |
333 if (!m_root->connectedSubframeCount()) | 333 if (!m_root.connectedSubframeCount()) |
334 return; | 334 return; |
335 | 335 |
336 if (policy == RootAndDescendants) | 336 if (policy == RootAndDescendants) |
337 collectFrameOwners(m_root); | 337 collectFrameOwners(m_root); |
338 else { | 338 else { |
339 for (Node* child = m_root->firstChild(); child; child = child->nextSibli
ng()) | 339 for (Node* child = m_root.firstChild(); child; child = child->nextSiblin
g()) |
340 collectFrameOwners(child); | 340 collectFrameOwners(*child); |
341 } | 341 } |
342 | 342 |
343 disconnectCollectedFrameOwners(); | 343 disconnectCollectedFrameOwners(); |
344 } | 344 } |
345 | 345 |
346 } // namespace WebCore | 346 } // namespace WebCore |
347 | 347 |
348 #endif // ContainerNodeAlgorithms_h | 348 #endif // ContainerNodeAlgorithms_h |
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