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1 /* | 1 /* |
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) | 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
3 * (C) 1999 Antti Koivisto (koivisto@kde.org) | 3 * (C) 1999 Antti Koivisto (koivisto@kde.org) |
4 * (C) 2007 David Smith (catfish.man@gmail.com) | 4 * (C) 2007 David Smith (catfish.man@gmail.com) |
5 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All r
ights reserved. | 5 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All r
ights reserved. |
6 * | 6 * |
7 * This library is free software; you can redistribute it and/or | 7 * This library is free software; you can redistribute it and/or |
8 * modify it under the terms of the GNU Library General Public | 8 * modify it under the terms of the GNU Library General Public |
9 * License as published by the Free Software Foundation; either | 9 * License as published by the Free Software Foundation; either |
10 * version 2 of the License, or (at your option) any later version. | 10 * version 2 of the License, or (at your option) any later version. |
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275 // </div> | 275 // </div> |
276 // </div> | 276 // </div> |
277 // </div> | 277 // </div> |
278 | 278 |
279 // Returns the nearest enclosing block (including this block) that contribut
es a first-line style to our first line. | 279 // Returns the nearest enclosing block (including this block) that contribut
es a first-line style to our first line. |
280 const LayoutBlock* enclosingFirstLineStyleBlock() const; | 280 const LayoutBlock* enclosingFirstLineStyleBlock() const; |
281 // Returns this block or the nearest inner block containing the actual first
line. | 281 // Returns this block or the nearest inner block containing the actual first
line. |
282 LayoutBlockFlow* nearestInnerBlockWithFirstLine(); | 282 LayoutBlockFlow* nearestInnerBlockWithFirstLine(); |
283 | 283 |
284 protected: | 284 protected: |
285 // Merge children of |siblingThatMayBeDeleted| into this object if possible,
and delete | |
286 // |siblingThatMayBeDeleted|. Returns true if we were able to merge. In that
case, | |
287 // |siblingThatMayBeDeleted| will be dead. We'll only be able to merge if bo
th blocks are | |
288 // anonymous. | |
289 // TODO(mstensho): This belongs in LayoutBlockFlow, but needs to live here u
ntil we have been | |
290 // able to move all callers down to LayoutBlockFlow. | |
291 bool mergeSiblingContiguousAnonymousBlock(LayoutBlockFlow* siblingThatMayBeD
eleted); | |
292 | |
293 // Reparent subsequent or preceding adjacent floating or out-of-flow sibling
s into this object. | |
294 // TODO(mstensho): This belongs in LayoutBlockFlow, but needs to live here u
ntil we have been | |
295 // able to move all callers down to LayoutBlockFlow first. | |
296 void reparentSubsequentFloatingOrOutOfFlowSiblings(); | |
297 void reparentPrecedingFloatingOrOutOfFlowSiblings(); | |
298 | |
299 void willBeDestroyed() override; | 285 void willBeDestroyed() override; |
300 | 286 |
301 void dirtyForLayoutFromPercentageHeightDescendants(SubtreeLayoutScope&); | 287 void dirtyForLayoutFromPercentageHeightDescendants(SubtreeLayoutScope&); |
302 | 288 |
303 void layout() override; | 289 void layout() override; |
304 | 290 |
305 enum PositionedLayoutBehavior { | 291 enum PositionedLayoutBehavior { |
306 DefaultLayout, | 292 DefaultLayout, |
307 LayoutOnlyFixedPositionedObjects, | 293 LayoutOnlyFixedPositionedObjects, |
308 ForcedLayoutAfterContainingBlockMoved | 294 ForcedLayoutAfterContainingBlockMoved |
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497 // FIXME: This is temporary as we move code that accesses block flow | 483 // FIXME: This is temporary as we move code that accesses block flow |
498 // member variables out of LayoutBlock and into LayoutBlockFlow. | 484 // member variables out of LayoutBlock and into LayoutBlockFlow. |
499 friend class LayoutBlockFlow; | 485 friend class LayoutBlockFlow; |
500 }; | 486 }; |
501 | 487 |
502 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutBlock, isLayoutBlock()); | 488 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutBlock, isLayoutBlock()); |
503 | 489 |
504 } // namespace blink | 490 } // namespace blink |
505 | 491 |
506 #endif // LayoutBlock_h | 492 #endif // LayoutBlock_h |
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