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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, 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 |
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145 bool m_hadHorizontalLayoutOverflow; | 145 bool m_hadHorizontalLayoutOverflow; |
146 bool m_hadVerticalLayoutOverflow; | 146 bool m_hadVerticalLayoutOverflow; |
147 }; | 147 }; |
148 | 148 |
149 RenderBlock::RenderBlock(ContainerNode* node) | 149 RenderBlock::RenderBlock(ContainerNode* node) |
150 : RenderBox(node) | 150 : RenderBox(node) |
151 , m_hasMarginBeforeQuirk(false) | 151 , m_hasMarginBeforeQuirk(false) |
152 , m_hasMarginAfterQuirk(false) | 152 , m_hasMarginAfterQuirk(false) |
153 , m_beingDestroyed(false) | 153 , m_beingDestroyed(false) |
154 , m_hasMarkupTruncation(false) | 154 , m_hasMarkupTruncation(false) |
155 , m_hasBorderOrPaddingLogicalWidthChanged(false) | 155 , m_widthAvailableToChildrenChanged(false) |
156 , m_hasOnlySelfCollapsingChildren(false) | 156 , m_hasOnlySelfCollapsingChildren(false) |
157 , m_descendantsWithFloatsMarkedForLayout(false) | 157 , m_descendantsWithFloatsMarkedForLayout(false) |
158 { | 158 { |
159 // RenderBlockFlow calls setChildrenInline(true). | 159 // RenderBlockFlow calls setChildrenInline(true). |
160 // By default, subclasses do not have inline children. | 160 // By default, subclasses do not have inline children. |
161 } | 161 } |
162 | 162 |
163 void RenderBlock::trace(Visitor* visitor) | 163 void RenderBlock::trace(Visitor* visitor) |
164 { | 164 { |
165 visitor->trace(m_children); | 165 visitor->trace(m_children); |
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360 } | 360 } |
361 } | 361 } |
362 | 362 |
363 if (TextAutosizer* textAutosizer = document().textAutosizer()) | 363 if (TextAutosizer* textAutosizer = document().textAutosizer()) |
364 textAutosizer->record(this); | 364 textAutosizer->record(this); |
365 | 365 |
366 propagateStyleToAnonymousChildren(true); | 366 propagateStyleToAnonymousChildren(true); |
367 | 367 |
368 // It's possible for our border/padding to change, but for the overall logic
al width of the block to | 368 // It's possible for our border/padding to change, but for the overall logic
al width of the block to |
369 // end up being the same. We keep track of this change so in layoutBlock, we
can know to set relayoutChildren=true. | 369 // end up being the same. We keep track of this change so in layoutBlock, we
can know to set relayoutChildren=true. |
370 m_hasBorderOrPaddingLogicalWidthChanged = oldStyle && diff.needsFullLayout()
&& needsLayout() && borderOrPaddingLogicalWidthChanged(oldStyle, newStyle); | 370 m_widthAvailableToChildrenChanged = oldStyle && diff.needsFullLayout() && ne
edsLayout() && borderOrPaddingLogicalWidthChanged(oldStyle, newStyle); |
| 371 |
| 372 // Include CustomScrollbars to calculate width available to children changed
. |
| 373 m_widthAvailableToChildrenChanged |= needsLayout() && customScrollbarThickne
ssChanged(); |
371 | 374 |
372 // If the style has unloaded images, want to notify the ResourceLoadPriority
Optimizer so that | 375 // If the style has unloaded images, want to notify the ResourceLoadPriority
Optimizer so that |
373 // network priorities can be set. | 376 // network priorities can be set. |
374 Vector<ImageResource*> images; | 377 Vector<ImageResource*> images; |
375 appendImagesFromStyle(images, *newStyle); | 378 appendImagesFromStyle(images, *newStyle); |
376 if (images.isEmpty()) | 379 if (images.isEmpty()) |
377 ResourceLoadPriorityOptimizer::resourceLoadPriorityOptimizer()->removeRe
nderObject(this); | 380 ResourceLoadPriorityOptimizer::resourceLoadPriorityOptimizer()->removeRe
nderObject(this); |
378 else | 381 else |
379 ResourceLoadPriorityOptimizer::resourceLoadPriorityOptimizer()->addRende
rObject(this); | 382 ResourceLoadPriorityOptimizer::resourceLoadPriorityOptimizer()->addRende
rObject(this); |
380 } | 383 } |
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1427 } | 1430 } |
1428 | 1431 |
1429 for (Vector<ImageResource*>::iterator it = images.begin(), end = images.end(
); it != end; ++it) | 1432 for (Vector<ImageResource*>::iterator it = images.begin(), end = images.end(
); it != end; ++it) |
1430 ResourceLoadPriorityOptimizer::resourceLoadPriorityOptimizer()->notifyIm
ageResourceVisibility(*it, status, screenArea); | 1433 ResourceLoadPriorityOptimizer::resourceLoadPriorityOptimizer()->notifyIm
ageResourceVisibility(*it, status, screenArea); |
1431 | 1434 |
1432 return true; | 1435 return true; |
1433 } | 1436 } |
1434 | 1437 |
1435 bool RenderBlock::widthAvailableToChildrenHasChanged() | 1438 bool RenderBlock::widthAvailableToChildrenHasChanged() |
1436 { | 1439 { |
1437 bool widthAvailableToChildrenHasChanged = m_hasBorderOrPaddingLogicalWidthCh
anged; | 1440 bool widthAvailableToChildrenHasChanged = m_widthAvailableToChildrenChanged; |
1438 m_hasBorderOrPaddingLogicalWidthChanged = false; | 1441 m_widthAvailableToChildrenChanged = false; |
| 1442 setCustomScrollbarThicknessChanged(false); |
1439 | 1443 |
1440 // If we use border-box sizing, have percentage padding, and our parent has
changed width then the width available to our children has changed even | 1444 // If we use border-box sizing, have percentage padding, and our parent has
changed width then the width available to our children has changed even |
1441 // though our own width has remained the same. | 1445 // though our own width has remained the same. |
1442 widthAvailableToChildrenHasChanged |= style()->boxSizing() == BORDER_BOX &&
needsPreferredWidthsRecalculation() && view()->layoutState()->containingBlockLog
icalWidthChanged(); | 1446 widthAvailableToChildrenHasChanged |= style()->boxSizing() == BORDER_BOX &&
needsPreferredWidthsRecalculation() && view()->layoutState()->containingBlockLog
icalWidthChanged(); |
1443 | 1447 |
1444 return widthAvailableToChildrenHasChanged; | 1448 return widthAvailableToChildrenHasChanged; |
1445 } | 1449 } |
1446 | 1450 |
1447 bool RenderBlock::updateLogicalWidthAndColumnWidth() | 1451 bool RenderBlock::updateLogicalWidthAndColumnWidth() |
1448 { | 1452 { |
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4410 void RenderBlock::showLineTreeAndMark(const InlineBox* markedBox1, const char* m
arkedLabel1, const InlineBox* markedBox2, const char* markedLabel2, const Render
Object* obj) const | 4414 void RenderBlock::showLineTreeAndMark(const InlineBox* markedBox1, const char* m
arkedLabel1, const InlineBox* markedBox2, const char* markedLabel2, const Render
Object* obj) const |
4411 { | 4415 { |
4412 showRenderObject(); | 4416 showRenderObject(); |
4413 for (const RootInlineBox* root = firstRootBox(); root; root = root->nextRoot
Box()) | 4417 for (const RootInlineBox* root = firstRootBox(); root; root = root->nextRoot
Box()) |
4414 root->showLineTreeAndMark(markedBox1, markedLabel1, markedBox2, markedLa
bel2, obj, 1); | 4418 root->showLineTreeAndMark(markedBox1, markedLabel1, markedBox2, markedLa
bel2, obj, 1); |
4415 } | 4419 } |
4416 | 4420 |
4417 #endif | 4421 #endif |
4418 | 4422 |
4419 } // namespace blink | 4423 } // namespace blink |
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