OLD | NEW |
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, 2011 Apple Inc.
All rights reserved. | 5 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc.
All rights reserved. |
6 * Copyright (C) Research In Motion Limited 2010. All rights reserved. | 6 * Copyright (C) Research In Motion Limited 2010. All rights reserved. |
7 * | 7 * |
8 * This library is free software; you can redistribute it and/or | 8 * This library is free software; you can redistribute it and/or |
9 * modify it under the terms of the GNU Library General Public | 9 * modify it under the terms of the GNU Library General Public |
10 * License as published by the Free Software Foundation; either | 10 * License as published by the Free Software Foundation; either |
(...skipping 65 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
76 // the middle of recomputing the style so we can't rely on any of its | 76 // the middle of recomputing the style so we can't rely on any of its |
77 // information), which is why it's easier to just update it for every layout. | 77 // information), which is why it's easier to just update it for every layout. |
78 static TrackedDescendantsMap* gPositionedDescendantsMap = nullptr; | 78 static TrackedDescendantsMap* gPositionedDescendantsMap = nullptr; |
79 static TrackedContainerMap* gPositionedContainerMap = nullptr; | 79 static TrackedContainerMap* gPositionedContainerMap = nullptr; |
80 | 80 |
81 // This map keeps track of the descendants whose 'height' is percentage associat
ed | 81 // This map keeps track of the descendants whose 'height' is percentage associat
ed |
82 // with a containing block. Like |gPositionedDescendantsMap|, it is also recompu
ted | 82 // with a containing block. Like |gPositionedDescendantsMap|, it is also recompu
ted |
83 // for every layout (see the comment above about why). | 83 // for every layout (see the comment above about why). |
84 static TrackedDescendantsMap* gPercentHeightDescendantsMap = nullptr; | 84 static TrackedDescendantsMap* gPercentHeightDescendantsMap = nullptr; |
85 | 85 |
86 typedef WTF::HashSet<LayoutBlock*> DelayedUpdateScrollInfoSet; | |
87 static int gDelayUpdateScrollInfo = 0; | |
88 static DelayedUpdateScrollInfoSet* gDelayedUpdateScrollInfoSet = nullptr; | |
89 | |
90 LayoutBlock::LayoutBlock(ContainerNode* node) | 86 LayoutBlock::LayoutBlock(ContainerNode* node) |
91 : LayoutBox(node) | 87 : LayoutBox(node) |
92 , m_hasMarginBeforeQuirk(false) | 88 , m_hasMarginBeforeQuirk(false) |
93 , m_hasMarginAfterQuirk(false) | 89 , m_hasMarginAfterQuirk(false) |
94 , m_beingDestroyed(false) | 90 , m_beingDestroyed(false) |
95 , m_hasMarkupTruncation(false) | 91 , m_hasMarkupTruncation(false) |
96 , m_widthAvailableToChildrenChanged(false) | 92 , m_widthAvailableToChildrenChanged(false) |
97 , m_heightAvailableToChildrenChanged(false) | 93 , m_heightAvailableToChildrenChanged(false) |
98 , m_isSelfCollapsing(false) | 94 , m_isSelfCollapsing(false) |
99 , m_descendantsWithFloatsMarkedForLayout(false) | 95 , m_descendantsWithFloatsMarkedForLayout(false) |
(...skipping 27 matching lines...) Expand all Loading... |
127 LayoutBlock::~LayoutBlock() | 123 LayoutBlock::~LayoutBlock() |
128 { | 124 { |
129 removeFromGlobalMaps(); | 125 removeFromGlobalMaps(); |
130 } | 126 } |
131 | 127 |
132 void LayoutBlock::willBeDestroyed() | 128 void LayoutBlock::willBeDestroyed() |
133 { | 129 { |
134 if (!documentBeingDestroyed() && parent()) | 130 if (!documentBeingDestroyed() && parent()) |
135 parent()->dirtyLinesFromChangedChild(this); | 131 parent()->dirtyLinesFromChangedChild(this); |
136 | 132 |
137 if (UNLIKELY(gDelayedUpdateScrollInfoSet != 0)) | |
138 gDelayedUpdateScrollInfoSet->remove(this); | |
139 | |
140 if (TextAutosizer* textAutosizer = document().textAutosizer()) | 133 if (TextAutosizer* textAutosizer = document().textAutosizer()) |
141 textAutosizer->destroy(this); | 134 textAutosizer->destroy(this); |
142 | 135 |
143 LayoutBox::willBeDestroyed(); | 136 LayoutBox::willBeDestroyed(); |
144 } | 137 } |
145 | 138 |
146 void LayoutBlock::styleWillChange(StyleDifference diff, const ComputedStyle& new
Style) | 139 void LayoutBlock::styleWillChange(StyleDifference diff, const ComputedStyle& new
Style) |
147 { | 140 { |
148 const ComputedStyle* oldStyle = style(); | 141 const ComputedStyle* oldStyle = style(); |
149 | 142 |
(...skipping 186 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
336 if (child->parent()->isLayoutGrid()) | 329 if (child->parent()->isLayoutGrid()) |
337 toLayoutGrid(child->parent())->dirtyGrid(); | 330 toLayoutGrid(child->parent())->dirtyGrid(); |
338 | 331 |
339 // Now remove the leftover anonymous block from the tree, and destroy it. We
'll rip it out | 332 // Now remove the leftover anonymous block from the tree, and destroy it. We
'll rip it out |
340 // manually from the tree before destroying it, because we don't want to tri
gger any tree | 333 // manually from the tree before destroying it, because we don't want to tri
gger any tree |
341 // adjustments with regards to anonymous blocks (or any other kind of undesi
red chain-reaction). | 334 // adjustments with regards to anonymous blocks (or any other kind of undesi
red chain-reaction). |
342 children()->removeChildNode(this, child, false); | 335 children()->removeChildNode(this, child, false); |
343 child->destroy(); | 336 child->destroy(); |
344 } | 337 } |
345 | 338 |
346 void LayoutBlock::startDelayUpdateScrollInfo() | |
347 { | |
348 if (gDelayUpdateScrollInfo == 0) { | |
349 ASSERT(!gDelayedUpdateScrollInfoSet); | |
350 gDelayedUpdateScrollInfoSet = new DelayedUpdateScrollInfoSet; | |
351 } | |
352 ASSERT(gDelayedUpdateScrollInfoSet); | |
353 ++gDelayUpdateScrollInfo; | |
354 } | |
355 | |
356 bool LayoutBlock::finishDelayUpdateScrollInfo(SubtreeLayoutScope* layoutScope, S
crollPositionMap* scrollMap) | |
357 { | |
358 bool childrenMarkedForRelayout = false; | |
359 | |
360 --gDelayUpdateScrollInfo; | |
361 ASSERT(gDelayUpdateScrollInfo >= 0); | |
362 if (gDelayUpdateScrollInfo == 0) { | |
363 ASSERT(gDelayedUpdateScrollInfoSet); | |
364 | |
365 OwnPtr<DelayedUpdateScrollInfoSet> infoSet(adoptPtr(gDelayedUpdateScroll
InfoSet)); | |
366 gDelayedUpdateScrollInfoSet = nullptr; | |
367 | |
368 for (auto* block : *infoSet) { | |
369 if (block->hasOverflowClip()) { | |
370 PaintLayerScrollableArea* scrollableArea = block->layer()->getSc
rollableArea(); | |
371 if (scrollMap) | |
372 scrollMap->add(scrollableArea, scrollableArea->scrollPositio
nDouble()); | |
373 childrenMarkedForRelayout |= scrollableArea->updateAfterLayout(l
ayoutScope); | |
374 } | |
375 } | |
376 } | |
377 return childrenMarkedForRelayout; | |
378 } | |
379 | |
380 void LayoutBlock::updateAfterLayout() | 339 void LayoutBlock::updateAfterLayout() |
381 { | 340 { |
382 invalidateStickyConstraints(); | 341 invalidateStickyConstraints(); |
383 | 342 |
384 // Update our scroll information if we're overflow:auto/scroll/hidden now th
at we know if | 343 // Update our scroll information if we're overflow:auto/scroll/hidden now th
at we know if |
385 // we overflow or not. | 344 // we overflow or not. |
386 if (hasOverflowClip()) { | 345 if (hasOverflowClip()) |
387 if (style()->isFlippedBlocksWritingMode()) { | 346 layer()->getScrollableArea()->updateAfterLayout(); |
388 // FIXME: https://bugs.webkit.org/show_bug.cgi?id=97937 | |
389 // Workaround for now. We cannot delay the scroll info for overflow | |
390 // for items with opposite writing directions, as the contents needs | |
391 // to overflow in that direction | |
392 layer()->getScrollableArea()->updateAfterLayout(); | |
393 return; | |
394 } | |
395 | |
396 if (gDelayUpdateScrollInfo) | |
397 gDelayedUpdateScrollInfoSet->add(this); | |
398 else | |
399 layer()->getScrollableArea()->updateAfterLayout(); | |
400 } | |
401 } | 347 } |
402 | 348 |
403 void LayoutBlock::layout() | 349 void LayoutBlock::layout() |
404 { | 350 { |
405 LayoutAnalyzer::Scope analyzer(*this); | 351 LayoutAnalyzer::Scope analyzer(*this); |
406 | 352 |
407 bool needsScrollAnchoring = RuntimeEnabledFeatures::scrollAnchoringEnabled()
&& hasOverflowClip(); | 353 bool needsScrollAnchoring = RuntimeEnabledFeatures::scrollAnchoringEnabled()
&& hasOverflowClip(); |
408 if (needsScrollAnchoring) | 354 if (needsScrollAnchoring) |
409 getScrollableArea()->scrollAnchor().save(); | 355 getScrollableArea()->scrollAnchor().save(); |
410 | 356 |
(...skipping 1484 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
1895 for (TrackedLayoutBoxListHashSet::const_iterator it = positionedDescenda
ntSet->begin(); it != end; ++it) { | 1841 for (TrackedLayoutBoxListHashSet::const_iterator it = positionedDescenda
ntSet->begin(); it != end; ++it) { |
1896 LayoutBox* currBox = *it; | 1842 LayoutBox* currBox = *it; |
1897 ASSERT(!currBox->needsLayout()); | 1843 ASSERT(!currBox->needsLayout()); |
1898 } | 1844 } |
1899 } | 1845 } |
1900 } | 1846 } |
1901 | 1847 |
1902 #endif | 1848 #endif |
1903 | 1849 |
1904 } // namespace blink | 1850 } // namespace blink |
OLD | NEW |