void RenderSVGRoot::layout() { ASSERT(needsLayout()); // Arbitrary affine transforms are incompatible with LayoutState. LayoutStateDisabler layoutStateDisabler(view()); bool needsLayout = selfNeedsLayout(); LayoutRepainter repainter(*this, checkForRepaintDuringLayout() && needsLayout); IntSize oldSize(width(), height()); negotiateSizeWithHostDocumentIfNeeded(); computeLogicalWidth(); computeLogicalHeight(); calcViewport(); SVGSVGElement* svg = static_cast<SVGSVGElement*>(node()); m_isLayoutSizeChanged = svg->hasRelativeLengths() && oldSize != size(); SVGRenderSupport::layoutChildren(this, needsLayout); m_isLayoutSizeChanged = false; // At this point LayoutRepainter already grabbed the old bounds, // recalculate them now so repaintAfterLayout() uses the new bounds. if (m_needsBoundariesOrTransformUpdate) { updateCachedBoundaries(); m_needsBoundariesOrTransformUpdate = false; } repainter.repaintAfterLayout(); setNeedsLayout(false); }
void RenderGrid::layoutBlock(bool relayoutChildren, LayoutUnit) { ASSERT(needsLayout()); if (!relayoutChildren && simplifiedLayout()) return; // FIXME: Much of this method is boiler plate that matches RenderBox::layoutBlock and Render*FlexibleBox::layoutBlock. // It would be nice to refactor some of the duplicate code. LayoutRepainter repainter(*this, checkForRepaintDuringLayout()); LayoutStateMaintainer statePusher(view(), this, locationOffset(), hasTransform() || hasReflection() || style()->isFlippedBlocksWritingMode()); if (inRenderFlowThread()) { // Regions changing widths can force us to relayout our children. if (logicalWidthChangedInRegions()) relayoutChildren = true; } computeInitialRegionRangeForBlock(); LayoutSize previousSize = size(); setLogicalHeight(0); computeLogicalWidth(); m_overflow.clear(); layoutGridItems(); LayoutUnit oldClientAfterEdge = clientLogicalBottom(); computeLogicalHeight(); if (size() != previousSize) relayoutChildren = true; layoutPositionedObjects(relayoutChildren || isRoot()); computeRegionRangeForBlock(); computeOverflow(oldClientAfterEdge); statePusher.pop(); updateLayerTransform(); // Update our scroll information if we're overflow:auto/scroll/hidden now that we know if // we overflow or not. if (hasOverflowClip()) layer()->updateScrollInfoAfterLayout(); repainter.repaintAfterLayout(); setNeedsLayout(false); }
void RenderSlider::layout() { ASSERT(needsLayout()); SliderThumbElement* thumbElement = shadowSliderThumb(); RenderBox* thumb = thumbElement ? toRenderBox(thumbElement->renderer()) : 0; IntSize baseSize(borderAndPaddingWidth(), borderAndPaddingHeight()); if (thumb) { // Allow the theme to set the size of the thumb. if (thumb->style()->hasAppearance()) { // FIXME: This should pass the style, not the renderer, to the theme. theme()->adjustSliderThumbSize(thumb); } baseSize.expand(thumb->style()->width().calcMinValue(0), thumb->style()->height().calcMinValue(0)); } LayoutRepainter repainter(*this, checkForRepaintDuringLayout()); IntSize oldSize = size(); setSize(baseSize); computeLogicalWidth(); computeLogicalHeight(); updateLayerTransform(); if (thumb) { if (oldSize != size()) thumb->setChildNeedsLayout(true, false); LayoutStateMaintainer statePusher(view(), this, IntSize(x(), y()), style()->isFlippedBlocksWritingMode()); IntRect oldThumbRect = thumb->frameRect(); thumb->layoutIfNeeded(); IntRect rect = thumbRect(); thumb->setFrameRect(rect); if (thumb->checkForRepaintDuringLayout()) thumb->repaintDuringLayoutIfMoved(oldThumbRect); statePusher.pop(); addOverflowFromChild(thumb); } repainter.repaintAfterLayout(); setNeedsLayout(false); }
void RenderReplaced::layout() { ASSERT(needsLayout()); LayoutRepainter repainter(*this, checkForRepaintDuringLayout()); setHeight(minimumReplacedHeight()); computeLogicalWidth(); computeLogicalHeight(); m_overflow.clear(); addShadowOverflow(); repainter.repaintAfterLayout(); setNeedsLayout(false); }
void RenderSVGRoot::layout() { ASSERT(needsLayout()); m_resourcesNeedingToInvalidateClients.clear(); // Arbitrary affine transforms are incompatible with LayoutState. LayoutStateDisabler layoutStateDisabler(view()); bool needsLayout = selfNeedsLayout(); LayoutRepainter repainter(*this, checkForRepaintDuringLayout() && needsLayout); LayoutSize oldSize(width(), height()); computeLogicalWidth(); computeLogicalHeight(); buildLocalToBorderBoxTransform(); SVGSVGElement* svg = static_cast<SVGSVGElement*>(node()); m_isLayoutSizeChanged = needsLayout || (svg->hasRelativeLengths() && oldSize != size()); SVGRenderSupport::layoutChildren(this, needsLayout || SVGRenderSupport::filtersForceContainerLayout(this)); m_isLayoutSizeChanged = false; if (!m_resourcesNeedingToInvalidateClients.isEmpty()) { // Invalidate resource clients, which may mark some nodes for layout. HashSet<RenderSVGResourceContainer*>::iterator end = m_resourcesNeedingToInvalidateClients.end(); for (HashSet<RenderSVGResourceContainer*>::iterator it = m_resourcesNeedingToInvalidateClients.begin(); it != end; ++it) (*it)->removeAllClientsFromCache(); m_isLayoutSizeChanged = false; SVGRenderSupport::layoutChildren(this, false); } // At this point LayoutRepainter already grabbed the old bounds, // recalculate them now so repaintAfterLayout() uses the new bounds. if (m_needsBoundariesOrTransformUpdate) { updateCachedBoundaries(); m_needsBoundariesOrTransformUpdate = false; } repainter.repaintAfterLayout(); setNeedsLayout(false); }
void RenderSVGRoot::layout() { ASSERT(needsLayout()); // Arbitrary affine transforms are incompatible with LayoutState. LayoutStateDisabler layoutStateDisabler(view()); bool needsLayout = selfNeedsLayout(); LayoutRepainter repainter(*this, checkForRepaintDuringLayout() && needsLayout); LayoutSize oldSize(width(), height()); computeLogicalWidth(); computeLogicalHeight(); SVGSVGElement* svg = static_cast<SVGSVGElement*>(node()); m_isLayoutSizeChanged = needsLayout || (svg->hasRelativeLengths() && oldSize != size()); if (view() && view()->frameView() && view()->frameView()->embeddedContentBox()) { if (!m_needsSizeNegotiationWithHostDocument) m_needsSizeNegotiationWithHostDocument = !m_everHadLayout || oldSize != size(); } else ASSERT(!m_needsSizeNegotiationWithHostDocument); SVGRenderSupport::layoutChildren(this, needsLayout || SVGRenderSupport::filtersForceContainerLayout(this)); m_isLayoutSizeChanged = false; // At this point LayoutRepainter already grabbed the old bounds, // recalculate them now so repaintAfterLayout() uses the new bounds. if (m_needsBoundariesOrTransformUpdate) { updateCachedBoundaries(); m_needsBoundariesOrTransformUpdate = false; } repainter.repaintAfterLayout(); setNeedsLayout(false); }
void RenderFlowThread::layout() { bool regionsChanged = m_regionsInvalidated && everHadLayout(); if (m_regionsInvalidated) { m_regionsInvalidated = false; m_hasValidRegions = false; m_regionsHaveUniformLogicalWidth = true; m_regionsHaveUniformLogicalHeight = true; m_regionRangeMap.clear(); LayoutUnit previousRegionLogicalWidth = 0; LayoutUnit previousRegionLogicalHeight = 0; if (hasRegions()) { for (RenderRegionList::iterator iter = m_regionList.begin(); iter != m_regionList.end(); ++iter) { RenderRegion* region = *iter; if (!region->isValid()) continue; ASSERT(!region->needsLayout()); region->deleteAllRenderBoxRegionInfo(); LayoutUnit regionLogicalWidth; LayoutUnit regionLogicalHeight; if (isHorizontalWritingMode()) { regionLogicalWidth = region->contentWidth(); regionLogicalHeight = region->contentHeight(); } else { regionLogicalWidth = region->contentHeight(); regionLogicalHeight = region->contentWidth(); } if (!m_hasValidRegions) m_hasValidRegions = true; else { if (m_regionsHaveUniformLogicalWidth && previousRegionLogicalWidth != regionLogicalWidth) m_regionsHaveUniformLogicalWidth = false; if (m_regionsHaveUniformLogicalHeight && previousRegionLogicalHeight != regionLogicalHeight) m_regionsHaveUniformLogicalHeight = false; } previousRegionLogicalWidth = regionLogicalWidth; } computeLogicalWidth(); // Called to get the maximum logical width for the region. LayoutUnit logicalHeight = 0; for (RenderRegionList::iterator iter = m_regionList.begin(); iter != m_regionList.end(); ++iter) { RenderRegion* region = *iter; if (!region->isValid()) continue; LayoutRect regionRect; if (isHorizontalWritingMode()) { regionRect = LayoutRect(style()->direction() == LTR ? zeroLayoutUnit : logicalWidth() - region->contentWidth(), logicalHeight, region->contentWidth(), region->contentHeight()); logicalHeight += regionRect.height(); } else { regionRect = LayoutRect(logicalHeight, style()->direction() == LTR ? zeroLayoutUnit : logicalWidth() - region->contentHeight(), region->contentWidth(), region->contentHeight()); logicalHeight += regionRect.width(); } region->setRegionRect(regionRect); } } } CurrentRenderFlowThreadMaintainer currentFlowThreadSetter(this); LayoutStateMaintainer statePusher(view(), this, regionsChanged); RenderBlock::layout(); statePusher.pop(); if (document()->hasListenerType(Document::REGIONLAYOUTUPDATE_LISTENER) && !m_regionLayoutUpdateEventTimer.isActive()) for (RenderRegionList::iterator iter = m_regionList.begin(); iter != m_regionList.end(); ++iter) { RenderRegion* region = *iter; if (region->shouldDispatchRegionLayoutUpdateEvent()) { // at least one region needs to dispatch the event m_regionLayoutUpdateEventTimer.startOneShot(0); break; } } }