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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) 2005 Allan Sandfeld Jensen (kde@carewolf.com) | 4 * (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com) |
5 * (C) 2005, 2006 Samuel Weinig (sam.weinig@gmail.com) | 5 * (C) 2005, 2006 Samuel Weinig (sam.weinig@gmail.com) |
6 * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserv
ed. | 6 * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserv
ed. |
7 * Copyright (C) 2013 Adobe Systems Incorporated. All rights reserved. | 7 * Copyright (C) 2013 Adobe Systems Incorporated. All rights reserved. |
8 * | 8 * |
9 * This library is free software; you can redistribute it and/or | 9 * This library is free software; you can redistribute it and/or |
10 * modify it under the terms of the GNU Library General Public | 10 * modify it under the terms of the GNU Library General Public |
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1387 // during DeprecatedPaintLayerScrollableArea::invalidateScrollbarRec
t(). However, for now we still need to | 1387 // during DeprecatedPaintLayerScrollableArea::invalidateScrollbarRec
t(). However, for now we still need to |
1388 // invalidate the rectangles to trigger repaints. | 1388 // invalidate the rectangles to trigger repaints. |
1389 if (area->hasVerticalBarDamage()) | 1389 if (area->hasVerticalBarDamage()) |
1390 invalidatePaintRectangleNotInvalidatingDisplayItemClients(Layout
Rect(area->verticalBarDamage())); | 1390 invalidatePaintRectangleNotInvalidatingDisplayItemClients(Layout
Rect(area->verticalBarDamage())); |
1391 if (area->hasHorizontalBarDamage()) | 1391 if (area->hasHorizontalBarDamage()) |
1392 invalidatePaintRectangleNotInvalidatingDisplayItemClients(Layout
Rect(area->horizontalBarDamage())); | 1392 invalidatePaintRectangleNotInvalidatingDisplayItemClients(Layout
Rect(area->horizontalBarDamage())); |
1393 } | 1393 } |
1394 } | 1394 } |
1395 | 1395 |
1396 // This is for the next invalidatePaintIfNeeded so must be at the end. | 1396 // This is for the next invalidatePaintIfNeeded so must be at the end. |
1397 savePreviousBoxSizesIfNeeded(newPaintInvalidationContainer); | 1397 savePreviousBoxSizesIfNeeded(); |
1398 return reason; | 1398 return reason; |
1399 } | 1399 } |
1400 | 1400 |
1401 void LayoutBox::clearPaintInvalidationState(const PaintInvalidationState& paintI
nvalidationState) | 1401 void LayoutBox::clearPaintInvalidationState(const PaintInvalidationState& paintI
nvalidationState) |
1402 { | 1402 { |
1403 LayoutBoxModelObject::clearPaintInvalidationState(paintInvalidationState); | 1403 LayoutBoxModelObject::clearPaintInvalidationState(paintInvalidationState); |
1404 | 1404 |
1405 if (ScrollableArea* area = scrollableArea()) | 1405 if (ScrollableArea* area = scrollableArea()) |
1406 area->resetScrollbarDamage(); | 1406 area->resetScrollbarDamage(); |
1407 } | 1407 } |
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4565 return containerBlock->offsetFromLogicalTopOfFirstPage() + logicalTop(); | 4565 return containerBlock->offsetFromLogicalTopOfFirstPage() + logicalTop(); |
4566 } | 4566 } |
4567 | 4567 |
4568 void LayoutBox::setPageLogicalOffset(LayoutUnit offset) | 4568 void LayoutBox::setPageLogicalOffset(LayoutUnit offset) |
4569 { | 4569 { |
4570 if (!m_rareData && !offset) | 4570 if (!m_rareData && !offset) |
4571 return; | 4571 return; |
4572 ensureRareData().m_pageLogicalOffset = offset; | 4572 ensureRareData().m_pageLogicalOffset = offset; |
4573 } | 4573 } |
4574 | 4574 |
4575 bool LayoutBox::needToSavePreviousBoxSizes(const LayoutBoxModelObject& paintInva
lidationContainer) | 4575 bool LayoutBox::needToSavePreviousBoxSizes() |
4576 { | 4576 { |
4577 // If m_rareData is already created, always save. | 4577 // If m_rareData is already created, always save. |
4578 if (m_rareData) | 4578 if (m_rareData) |
4579 return true; | 4579 return true; |
4580 | 4580 |
4581 LayoutSize paintInvalidationSize = previousPaintInvalidationRectIncludingCom
positedScrolling(paintInvalidationContainer).size(); | 4581 LayoutSize paintInvalidationSize = previousPaintInvalidationRectSize(); |
4582 // Don't save old box sizes if the paint rect is empty because we'll | 4582 // Don't save old box sizes if the paint rect is empty because we'll |
4583 // full invalidate once the paint rect becomes non-empty. | 4583 // full invalidate once the paint rect becomes non-empty. |
4584 if (paintInvalidationSize.isEmpty()) | 4584 if (paintInvalidationSize.isEmpty()) |
4585 return false; | 4585 return false; |
4586 | 4586 |
4587 // We need the old box sizes only when the box has background, decorations,
or masks. | 4587 // We need the old box sizes only when the box has background, decorations,
or masks. |
4588 // Main LayoutView paints base background, thus interested in box size. | 4588 // Main LayoutView paints base background, thus interested in box size. |
4589 if (!isLayoutView() && !style()->hasBackground() && !style()->hasBoxDecorati
ons() && !style()->hasMask()) | 4589 if (!isLayoutView() && !style()->hasBackground() && !style()->hasBoxDecorati
ons() && !style()->hasMask()) |
4590 return false; | 4590 return false; |
4591 | 4591 |
4592 // No need to save old border box size if we can use size of the old paint | 4592 // No need to save old border box size if we can use size of the old paint |
4593 // rect as the old border box size in the next invalidation. | 4593 // rect as the old border box size in the next invalidation. |
4594 if (paintInvalidationSize != size()) | 4594 if (paintInvalidationSize != size()) |
4595 return true; | 4595 return true; |
4596 | 4596 |
4597 // Background and mask layers can depend on other boxes than border box. See
crbug.com/490533 | 4597 // Background and mask layers can depend on other boxes than border box. See
crbug.com/490533 |
4598 if (style()->backgroundLayers().thisOrNextLayersUseContentBox() || style()->
backgroundLayers().thisOrNextLayersHaveLocalAttachment() | 4598 if (style()->backgroundLayers().thisOrNextLayersUseContentBox() || style()->
backgroundLayers().thisOrNextLayersHaveLocalAttachment() |
4599 || style()->maskLayers().thisOrNextLayersUseContentBox()) | 4599 || style()->maskLayers().thisOrNextLayersUseContentBox()) |
4600 return true; | 4600 return true; |
4601 | 4601 |
4602 return false; | 4602 return false; |
4603 } | 4603 } |
4604 | 4604 |
4605 void LayoutBox::savePreviousBoxSizesIfNeeded(const LayoutBoxModelObject& paintIn
validationContainer) | 4605 void LayoutBox::savePreviousBoxSizesIfNeeded() |
4606 { | 4606 { |
4607 if (!needToSavePreviousBoxSizes(paintInvalidationContainer)) | 4607 if (!needToSavePreviousBoxSizes()) |
4608 return; | 4608 return; |
4609 | 4609 |
4610 LayoutBoxRareData& rareData = ensureRareData(); | 4610 LayoutBoxRareData& rareData = ensureRareData(); |
4611 rareData.m_previousBorderBoxSize = size(); | 4611 rareData.m_previousBorderBoxSize = size(); |
4612 rareData.m_previousContentBoxRect = contentBoxRect(); | 4612 rareData.m_previousContentBoxRect = contentBoxRect(); |
4613 rareData.m_previousLayoutOverflowRect = layoutOverflowRect(); | 4613 rareData.m_previousLayoutOverflowRect = layoutOverflowRect(); |
4614 } | 4614 } |
4615 | 4615 |
4616 LayoutSize LayoutBox::computePreviousBorderBoxSize(const LayoutSize& previousBou
ndsSize) const | 4616 LayoutSize LayoutBox::computePreviousBorderBoxSize(const LayoutSize& previousBou
ndsSize) const |
4617 { | 4617 { |
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4734 StyleImage* borderImage = style()->borderImage().image(); | 4734 StyleImage* borderImage = style()->borderImage().image(); |
4735 return borderImage && borderImage->canRender(*this, style()->effectiveZoom()
) && borderImage->isLoaded(); | 4735 return borderImage && borderImage->canRender(*this, style()->effectiveZoom()
) && borderImage->isLoaded(); |
4736 } | 4736 } |
4737 | 4737 |
4738 ShapeOutsideInfo* LayoutBox::shapeOutsideInfo() const | 4738 ShapeOutsideInfo* LayoutBox::shapeOutsideInfo() const |
4739 { | 4739 { |
4740 return ShapeOutsideInfo::isEnabledFor(*this) ? ShapeOutsideInfo::info(*this)
: nullptr; | 4740 return ShapeOutsideInfo::isEnabledFor(*this) ? ShapeOutsideInfo::info(*this)
: nullptr; |
4741 } | 4741 } |
4742 | 4742 |
4743 } // namespace blink | 4743 } // namespace blink |
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