/* * Copyright (C) 1999 Lars Knoll (knoll@kde.org) * Copyright (C) 2000 Dirk Mueller (mueller@kde.org) * Copyright (C) 2004, 2006, 2007 Apple Inc. All rights reserved. * Copyright (C) Research In Motion Limited 2011-2012. All rights reserved. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public License * along with this library; see the file COPYING.LIB. If not, write to * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, * Boston, MA 02110-1301, USA. * */ #include "config.h" #include "core/rendering/RenderReplaced.h" #include "RuntimeEnabledFeatures.h" #include "core/rendering/GraphicsContextAnnotator.h" #include "core/rendering/LayoutRectRecorder.h" #include "core/rendering/LayoutRepainter.h" #include "core/rendering/RenderBlock.h" #include "core/rendering/RenderImage.h" #include "core/rendering/RenderLayer.h" #include "core/rendering/RenderView.h" #include "platform/graphics/GraphicsContext.h" using namespace std; namespace WebCore { const int cDefaultWidth = 300; const int cDefaultHeight = 150; RenderReplaced::RenderReplaced(Element* element) : RenderBox(element) , m_intrinsicSize(cDefaultWidth, cDefaultHeight) { setReplaced(true); } RenderReplaced::RenderReplaced(Element* element, const LayoutSize& intrinsicSize) : RenderBox(element) , m_intrinsicSize(intrinsicSize) { setReplaced(true); } RenderReplaced::~RenderReplaced() { } void RenderReplaced::willBeDestroyed() { if (!documentBeingDestroyed() && parent()) parent()->dirtyLinesFromChangedChild(this); RenderBox::willBeDestroyed(); } void RenderReplaced::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle) { RenderBox::styleDidChange(diff, oldStyle); bool hadStyle = (oldStyle != 0); float oldZoom = hadStyle ? oldStyle->effectiveZoom() : RenderStyle::initialZoom(); if (style() && style()->effectiveZoom() != oldZoom) intrinsicSizeChanged(); } void RenderReplaced::layout() { ASSERT(needsLayout()); LayoutRectRecorder recorder(*this); LayoutRepainter repainter(*this, checkForRepaintDuringLayout()); setHeight(minimumReplacedHeight()); updateLogicalWidth(); updateLogicalHeight(); m_overflow.clear(); addVisualEffectOverflow(); updateLayerTransform(); invalidateBackgroundObscurationStatus(); repainter.repaintAfterLayout(); clearNeedsLayout(); } void RenderReplaced::intrinsicSizeChanged() { int scaledWidth = static_cast(cDefaultWidth * style()->effectiveZoom()); int scaledHeight = static_cast(cDefaultHeight * style()->effectiveZoom()); m_intrinsicSize = IntSize(scaledWidth, scaledHeight); setNeedsLayoutAndPrefWidthsRecalc(); } void RenderReplaced::paint(PaintInfo& paintInfo, const LayoutPoint& paintOffset) { ANNOTATE_GRAPHICS_CONTEXT(paintInfo, this); if (!shouldPaint(paintInfo, paintOffset)) return; LayoutPoint adjustedPaintOffset = paintOffset + location(); if (hasBoxDecorations() && (paintInfo.phase == PaintPhaseForeground || paintInfo.phase == PaintPhaseSelection)) paintBoxDecorations(paintInfo, adjustedPaintOffset); if (paintInfo.phase == PaintPhaseMask) { paintMask(paintInfo, adjustedPaintOffset); return; } if (paintInfo.phase == PaintPhaseClippingMask && (!hasLayer() || !layer()->hasCompositedClippingMask())) return; LayoutRect paintRect = LayoutRect(adjustedPaintOffset, size()); if ((paintInfo.phase == PaintPhaseOutline || paintInfo.phase == PaintPhaseSelfOutline) && style()->outlineWidth()) paintOutline(paintInfo, paintRect); if (paintInfo.phase != PaintPhaseForeground && paintInfo.phase != PaintPhaseSelection && !canHaveChildren() && paintInfo.phase != PaintPhaseClippingMask) return; if (!paintInfo.shouldPaintWithinRoot(this)) return; bool drawSelectionTint = selectionState() != SelectionNone && !document().printing(); if (paintInfo.phase == PaintPhaseSelection) { if (selectionState() == SelectionNone) return; drawSelectionTint = false; } bool completelyClippedOut = false; if (style()->hasBorderRadius()) { LayoutRect borderRect = LayoutRect(adjustedPaintOffset, size()); if (borderRect.isEmpty()) completelyClippedOut = true; else { // Push a clip if we have a border radius, since we want to round the foreground content that gets painted. paintInfo.context->save(); RoundedRect roundedInnerRect = style()->getRoundedInnerBorderFor(paintRect, paddingTop() + borderTop(), paddingBottom() + borderBottom(), paddingLeft() + borderLeft(), paddingRight() + borderRight(), true, true); clipRoundedInnerRect(paintInfo.context, paintRect, roundedInnerRect); } } if (!completelyClippedOut) { if (paintInfo.phase == PaintPhaseClippingMask) { paintClippingMask(paintInfo, adjustedPaintOffset); } else { paintReplaced(paintInfo, adjustedPaintOffset); } if (style()->hasBorderRadius()) paintInfo.context->restore(); } // The selection tint never gets clipped by border-radius rounding, since we want it to run right up to the edges of // surrounding content. if (drawSelectionTint) { LayoutRect selectionPaintingRect = localSelectionRect(); selectionPaintingRect.moveBy(adjustedPaintOffset); paintInfo.context->fillRect(pixelSnappedIntRect(selectionPaintingRect), selectionBackgroundColor()); } } bool RenderReplaced::shouldPaint(PaintInfo& paintInfo, const LayoutPoint& paintOffset) { if (paintInfo.phase != PaintPhaseForeground && paintInfo.phase != PaintPhaseOutline && paintInfo.phase != PaintPhaseSelfOutline && paintInfo.phase != PaintPhaseSelection && paintInfo.phase != PaintPhaseMask && paintInfo.phase != PaintPhaseClippingMask) return false; if (!paintInfo.shouldPaintWithinRoot(this)) return false; // if we're invisible or haven't received a layout yet, then just bail. if (style()->visibility() != VISIBLE) return false; LayoutPoint adjustedPaintOffset = paintOffset + location(); // Early exit if the element touches the edges. LayoutUnit top = adjustedPaintOffset.y() + visualOverflowRect().y(); LayoutUnit bottom = adjustedPaintOffset.y() + visualOverflowRect().maxY(); if (isSelected() && m_inlineBoxWrapper) { LayoutUnit selTop = paintOffset.y() + m_inlineBoxWrapper->root()->selectionTop(); LayoutUnit selBottom = paintOffset.y() + selTop + m_inlineBoxWrapper->root()->selectionHeight(); top = min(selTop, top); bottom = max(selBottom, bottom); } LayoutRect localRepaintRect = paintInfo.rect; localRepaintRect.inflate(maximalOutlineSize(paintInfo.phase)); if (adjustedPaintOffset.x() + visualOverflowRect().x() >= localRepaintRect.maxX() || adjustedPaintOffset.x() + visualOverflowRect().maxX() <= localRepaintRect.x()) return false; if (top >= localRepaintRect.maxY() || bottom <= localRepaintRect.y()) return false; return true; } static inline RenderBlock* firstContainingBlockWithLogicalWidth(const RenderReplaced* replaced) { // We have to lookup the containing block, which has an explicit width, which must not be equal to our direct containing block. // If the embedded document appears _after_ we performed the initial layout, our intrinsic size is 300x150. If our containing // block doesn't provide an explicit width, it's set to the 300 default, coming from the initial layout run. RenderBlock* containingBlock = replaced->containingBlock(); if (!containingBlock) return 0; for (; !containingBlock->isRenderView() && !containingBlock->isBody(); containingBlock = containingBlock->containingBlock()) { if (containingBlock->style()->logicalWidth().isSpecified()) return containingBlock; } return 0; } bool RenderReplaced::hasReplacedLogicalWidth() const { if (style()->logicalWidth().isSpecified()) return true; if (style()->logicalWidth().isAuto()) return false; return firstContainingBlockWithLogicalWidth(this); } bool RenderReplaced::hasReplacedLogicalHeight() const { if (style()->logicalHeight().isAuto()) return false; if (style()->logicalHeight().isSpecified()) { if (hasAutoHeightOrContainingBlockWithAutoHeight()) return false; return true; } if (style()->logicalHeight().isIntrinsic()) return true; return false; } bool RenderReplaced::needsPreferredWidthsRecalculation() const { // If the height is a percentage and the width is auto, then the containingBlocks's height changing can cause // this node to change it's preferred width because it maintains aspect ratio. return hasRelativeLogicalHeight() && style()->logicalWidth().isAuto() && !hasAutoHeightOrContainingBlockWithAutoHeight(); } static inline bool rendererHasAspectRatio(const RenderObject* renderer) { ASSERT(renderer); return renderer->isImage() || renderer->isCanvas() || renderer->isVideo(); } void RenderReplaced::computeAspectRatioInformationForRenderBox(RenderBox* contentRenderer, FloatSize& constrainedSize, double& intrinsicRatio, bool& isPercentageIntrinsicSize) const { FloatSize intrinsicSize; if (contentRenderer) { contentRenderer->computeIntrinsicRatioInformation(intrinsicSize, intrinsicRatio, isPercentageIntrinsicSize); if (intrinsicRatio) ASSERT(!isPercentageIntrinsicSize); // Handle zoom & vertical writing modes here, as the embedded document doesn't know about them. if (!isPercentageIntrinsicSize) { intrinsicSize.scale(style()->effectiveZoom()); if (isRenderImage()) intrinsicSize.scale(toRenderImage(this)->imageDevicePixelRatio()); } if (rendererHasAspectRatio(this) && isPercentageIntrinsicSize) intrinsicRatio = 1; // Update our intrinsic size to match what the content renderer has computed, so that when we // constrain the size below, the correct intrinsic size will be obtained for comparison against // min and max widths. if (intrinsicRatio && !isPercentageIntrinsicSize && !intrinsicSize.isEmpty()) m_intrinsicSize = LayoutSize(intrinsicSize); if (!isHorizontalWritingMode()) { if (intrinsicRatio) intrinsicRatio = 1 / intrinsicRatio; intrinsicSize = intrinsicSize.transposedSize(); } } else { computeIntrinsicRatioInformation(intrinsicSize, intrinsicRatio, isPercentageIntrinsicSize); if (intrinsicRatio) { ASSERT(!isPercentageIntrinsicSize); if (!intrinsicSize.isEmpty()) m_intrinsicSize = LayoutSize(isHorizontalWritingMode() ? intrinsicSize : intrinsicSize.transposedSize()); } } // Now constrain the intrinsic size along each axis according to minimum and maximum width/heights along the // opposite axis. So for example a maximum width that shrinks our width will result in the height we compute here // having to shrink in order to preserve the aspect ratio. Because we compute these values independently along // each axis, the final returned size may in fact not preserve the aspect ratio. // FIXME: In the long term, it might be better to just return this code more to the way it used to be before this // function was added, since all it has done is make the code more unclear. constrainedSize = intrinsicSize; if (intrinsicRatio && !isPercentageIntrinsicSize && !intrinsicSize.isEmpty() && style()->logicalWidth().isAuto() && style()->logicalHeight().isAuto()) { // We can't multiply or divide by 'intrinsicRatio' here, it breaks tests, like fast/images/zoomed-img-size.html, which // can only be fixed once subpixel precision is available for things like intrinsicWidth/Height - which include zoom! constrainedSize.setWidth(RenderBox::computeReplacedLogicalHeight() * intrinsicSize.width() / intrinsicSize.height()); constrainedSize.setHeight(RenderBox::computeReplacedLogicalWidth() * intrinsicSize.height() / intrinsicSize.width()); } } LayoutRect RenderReplaced::replacedContentRect(const LayoutSize* overriddenIntrinsicSize) const { LayoutRect contentRect = contentBoxRect(); ObjectFit objectFit = style()->objectFit(); if (objectFit == ObjectFitFill && style()->objectPosition() == RenderStyle::initialObjectPosition()) { if (!isVideo() || RuntimeEnabledFeatures::objectFitPositionEnabled()) return contentRect; objectFit = ObjectFitContain; } LayoutSize intrinsicSize = overriddenIntrinsicSize ? *overriddenIntrinsicSize : this->intrinsicSize(); if (!intrinsicSize.width() || !intrinsicSize.height()) return contentRect; LayoutRect finalRect = contentRect; switch (objectFit) { case ObjectFitContain: case ObjectFitScaleDown: case ObjectFitCover: finalRect.setSize(finalRect.size().fitToAspectRatio(intrinsicSize, objectFit == ObjectFitCover ? AspectRatioFitGrow : AspectRatioFitShrink)); if (objectFit != ObjectFitScaleDown || finalRect.width() <= intrinsicSize.width()) break; // fall through case ObjectFitNone: finalRect.setSize(intrinsicSize); break; case ObjectFitFill: break; default: ASSERT_NOT_REACHED(); } LayoutUnit xOffset = minimumValueForLength(style()->objectPosition().x(), contentRect.width() - finalRect.width(), view()); LayoutUnit yOffset = minimumValueForLength(style()->objectPosition().y(), contentRect.height() - finalRect.height(), view()); finalRect.move(xOffset, yOffset); return finalRect; } void RenderReplaced::computeIntrinsicRatioInformation(FloatSize& intrinsicSize, double& intrinsicRatio, bool& isPercentageIntrinsicSize) const { // If there's an embeddedContentBox() of a remote, referenced document available, this code-path should never be used. ASSERT(!embeddedContentBox()); isPercentageIntrinsicSize = false; intrinsicSize = FloatSize(intrinsicLogicalWidth(), intrinsicLogicalHeight()); // Figure out if we need to compute an intrinsic ratio. if (intrinsicSize.isEmpty() || !rendererHasAspectRatio(this)) return; intrinsicRatio = intrinsicSize.width() / intrinsicSize.height(); } LayoutUnit RenderReplaced::computeReplacedLogicalWidth(ShouldComputePreferred shouldComputePreferred) const { if (style()->logicalWidth().isSpecified() || style()->logicalWidth().isIntrinsic()) return computeReplacedLogicalWidthRespectingMinMaxWidth(computeReplacedLogicalWidthUsing(style()->logicalWidth()), shouldComputePreferred); RenderBox* contentRenderer = embeddedContentBox(); // 10.3.2 Inline, replaced elements: http://www.w3.org/TR/CSS21/visudet.html#inline-replaced-width bool isPercentageIntrinsicSize = false; double intrinsicRatio = 0; FloatSize constrainedSize; computeAspectRatioInformationForRenderBox(contentRenderer, constrainedSize, intrinsicRatio, isPercentageIntrinsicSize); if (style()->logicalWidth().isAuto()) { bool heightIsAuto = style()->logicalHeight().isAuto(); bool hasIntrinsicWidth = !isPercentageIntrinsicSize && constrainedSize.width() > 0; // If 'height' and 'width' both have computed values of 'auto' and the element also has an intrinsic width, then that intrinsic width is the used value of 'width'. if (heightIsAuto && hasIntrinsicWidth) return computeReplacedLogicalWidthRespectingMinMaxWidth(constrainedSize.width(), shouldComputePreferred); bool hasIntrinsicHeight = !isPercentageIntrinsicSize && constrainedSize.height() > 0; if (intrinsicRatio || isPercentageIntrinsicSize) { // If 'height' and 'width' both have computed values of 'auto' and the element has no intrinsic width, but does have an intrinsic height and intrinsic ratio; // or if 'width' has a computed value of 'auto', 'height' has some other computed value, and the element does have an intrinsic ratio; then the used value // of 'width' is: (used height) * (intrinsic ratio) if (intrinsicRatio && ((heightIsAuto && !hasIntrinsicWidth && hasIntrinsicHeight) || !heightIsAuto)) { LayoutUnit logicalHeight = computeReplacedLogicalHeight(); return computeReplacedLogicalWidthRespectingMinMaxWidth(roundToInt(round(logicalHeight * intrinsicRatio)), shouldComputePreferred); } // If 'height' and 'width' both have computed values of 'auto' and the element has an intrinsic ratio but no intrinsic height or width, then the used value of // 'width' is undefined in CSS 2.1. However, it is suggested that, if the containing block's width does not itself depend on the replaced element's width, then // the used value of 'width' is calculated from the constraint equation used for block-level, non-replaced elements in normal flow. if (heightIsAuto && !hasIntrinsicWidth && !hasIntrinsicHeight) { // The aforementioned 'constraint equation' used for block-level, non-replaced elements in normal flow: // 'margin-left' + 'border-left-width' + 'padding-left' + 'width' + 'padding-right' + 'border-right-width' + 'margin-right' = width of containing block LayoutUnit logicalWidth; if (RenderBlock* blockWithWidth = firstContainingBlockWithLogicalWidth(this)) logicalWidth = blockWithWidth->computeReplacedLogicalWidthRespectingMinMaxWidth(blockWithWidth->computeReplacedLogicalWidthUsing(blockWithWidth->style()->logicalWidth()), shouldComputePreferred); else logicalWidth = containingBlock()->availableLogicalWidth(); // This solves above equation for 'width' (== logicalWidth). LayoutUnit marginStart = minimumValueForLength(style()->marginStart(), logicalWidth); LayoutUnit marginEnd = minimumValueForLength(style()->marginEnd(), logicalWidth); logicalWidth = max(0, logicalWidth - (marginStart + marginEnd + (width() - clientWidth()))); if (isPercentageIntrinsicSize) logicalWidth = logicalWidth * constrainedSize.width() / 100; return computeReplacedLogicalWidthRespectingMinMaxWidth(logicalWidth, shouldComputePreferred); } } // Otherwise, if 'width' has a computed value of 'auto', and the element has an intrinsic width, then that intrinsic width is the used value of 'width'. if (hasIntrinsicWidth) return computeReplacedLogicalWidthRespectingMinMaxWidth(constrainedSize.width(), shouldComputePreferred); // Otherwise, if 'width' has a computed value of 'auto', but none of the conditions above are met, then the used value of 'width' becomes 300px. If 300px is too // wide to fit the device, UAs should use the width of the largest rectangle that has a 2:1 ratio and fits the device instead. // Note: We fall through and instead return intrinsicLogicalWidth() here - to preserve existing WebKit behavior, which might or might not be correct, or desired. // Changing this to return cDefaultWidth, will affect lots of test results. Eg. some tests assume that a blank tag (which implies width/height=auto) // has no intrinsic size, which is wrong per CSS 2.1, but matches our behavior since a long time. } return computeReplacedLogicalWidthRespectingMinMaxWidth(intrinsicLogicalWidth(), shouldComputePreferred); } LayoutUnit RenderReplaced::computeReplacedLogicalHeight() const { // 10.5 Content height: the 'height' property: http://www.w3.org/TR/CSS21/visudet.html#propdef-height if (hasReplacedLogicalHeight()) return computeReplacedLogicalHeightRespectingMinMaxHeight(computeReplacedLogicalHeightUsing(style()->logicalHeight())); RenderBox* contentRenderer = embeddedContentBox(); // 10.6.2 Inline, replaced elements: http://www.w3.org/TR/CSS21/visudet.html#inline-replaced-height bool isPercentageIntrinsicSize = false; double intrinsicRatio = 0; FloatSize constrainedSize; computeAspectRatioInformationForRenderBox(contentRenderer, constrainedSize, intrinsicRatio, isPercentageIntrinsicSize); bool widthIsAuto = style()->logicalWidth().isAuto(); bool hasIntrinsicHeight = !isPercentageIntrinsicSize && constrainedSize.height() > 0; // If 'height' and 'width' both have computed values of 'auto' and the element also has an intrinsic height, then that intrinsic height is the used value of 'height'. if (widthIsAuto && hasIntrinsicHeight) return computeReplacedLogicalHeightRespectingMinMaxHeight(constrainedSize.height()); // Otherwise, if 'height' has a computed value of 'auto', and the element has an intrinsic ratio then the used value of 'height' is: // (used width) / (intrinsic ratio) if (intrinsicRatio) return computeReplacedLogicalHeightRespectingMinMaxHeight(roundToInt(round(availableLogicalWidth() / intrinsicRatio))); // Otherwise, if 'height' has a computed value of 'auto', and the element has an intrinsic height, then that intrinsic height is the used value of 'height'. if (hasIntrinsicHeight) return computeReplacedLogicalHeightRespectingMinMaxHeight(constrainedSize.height()); // Otherwise, if 'height' has a computed value of 'auto', but none of the conditions above are met, then the used value of 'height' must be set to the height // of the largest rectangle that has a 2:1 ratio, has a height not greater than 150px, and has a width not greater than the device width. return computeReplacedLogicalHeightRespectingMinMaxHeight(intrinsicLogicalHeight()); } void RenderReplaced::computeIntrinsicLogicalWidths(LayoutUnit& minLogicalWidth, LayoutUnit& maxLogicalWidth) const { minLogicalWidth = maxLogicalWidth = intrinsicLogicalWidth(); } void RenderReplaced::computePreferredLogicalWidths() { ASSERT(preferredLogicalWidthsDirty()); // We cannot resolve any percent logical width here as the available logical // width may not be set on our containing block. if (style()->logicalWidth().isPercent()) computeIntrinsicLogicalWidths(m_minPreferredLogicalWidth, m_maxPreferredLogicalWidth); else m_minPreferredLogicalWidth = m_maxPreferredLogicalWidth = computeReplacedLogicalWidth(ComputePreferred); RenderStyle* styleToUse = style(); if (styleToUse->logicalWidth().isPercent() || styleToUse->logicalMaxWidth().isPercent() || hasRelativeIntrinsicLogicalWidth()) m_minPreferredLogicalWidth = 0; if (styleToUse->logicalMinWidth().isFixed() && styleToUse->logicalMinWidth().value() > 0) { m_maxPreferredLogicalWidth = max(m_maxPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(styleToUse->logicalMinWidth().value())); m_minPreferredLogicalWidth = max(m_minPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(styleToUse->logicalMinWidth().value())); } if (styleToUse->logicalMaxWidth().isFixed()) { m_maxPreferredLogicalWidth = min(m_maxPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(styleToUse->logicalMaxWidth().value())); m_minPreferredLogicalWidth = min(m_minPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(styleToUse->logicalMaxWidth().value())); } LayoutUnit borderAndPadding = borderAndPaddingLogicalWidth(); m_minPreferredLogicalWidth += borderAndPadding; m_maxPreferredLogicalWidth += borderAndPadding; clearPreferredLogicalWidthsDirty(); } PositionWithAffinity RenderReplaced::positionForPoint(const LayoutPoint& point) { // FIXME: This code is buggy if the replaced element is relative positioned. InlineBox* box = inlineBoxWrapper(); RootInlineBox* rootBox = box ? box->root() : 0; LayoutUnit top = rootBox ? rootBox->selectionTop() : logicalTop(); LayoutUnit bottom = rootBox ? rootBox->selectionBottom() : logicalBottom(); LayoutUnit blockDirectionPosition = isHorizontalWritingMode() ? point.y() + y() : point.x() + x(); LayoutUnit lineDirectionPosition = isHorizontalWritingMode() ? point.x() + x() : point.y() + y(); if (blockDirectionPosition < top) return createPositionWithAffinity(caretMinOffset(), DOWNSTREAM); // coordinates are above if (blockDirectionPosition >= bottom) return createPositionWithAffinity(caretMaxOffset(), DOWNSTREAM); // coordinates are below if (node()) { if (lineDirectionPosition <= logicalLeft() + (logicalWidth() / 2)) return createPositionWithAffinity(0, DOWNSTREAM); return createPositionWithAffinity(1, DOWNSTREAM); } return RenderBox::positionForPoint(point); } LayoutRect RenderReplaced::selectionRectForRepaint(const RenderLayerModelObject* repaintContainer, bool clipToVisibleContent) { ASSERT(!needsLayout()); if (!isSelected()) return LayoutRect(); LayoutRect rect = localSelectionRect(); if (clipToVisibleContent) computeRectForRepaint(repaintContainer, rect); else rect = localToContainerQuad(FloatRect(rect), repaintContainer).enclosingBoundingBox(); return rect; } LayoutRect RenderReplaced::localSelectionRect(bool checkWhetherSelected) const { if (checkWhetherSelected && !isSelected()) return LayoutRect(); if (!m_inlineBoxWrapper) // We're a block-level replaced element. Just return our own dimensions. return LayoutRect(LayoutPoint(), size()); RootInlineBox* root = m_inlineBoxWrapper->root(); LayoutUnit newLogicalTop = root->block()->style()->isFlippedBlocksWritingMode() ? m_inlineBoxWrapper->logicalBottom() - root->selectionBottom() : root->selectionTop() - m_inlineBoxWrapper->logicalTop(); if (root->block()->style()->isHorizontalWritingMode()) return LayoutRect(0, newLogicalTop, width(), root->selectionHeight()); return LayoutRect(newLogicalTop, 0, root->selectionHeight(), height()); } void RenderReplaced::setSelectionState(SelectionState state) { // The selection state for our containing block hierarchy is updated by the base class call. RenderBox::setSelectionState(state); if (m_inlineBoxWrapper && canUpdateSelectionOnRootLineBoxes()) if (RootInlineBox* root = m_inlineBoxWrapper->root()) root->setHasSelectedChildren(isSelected()); } bool RenderReplaced::isSelected() const { SelectionState s = selectionState(); if (s == SelectionNone) return false; if (s == SelectionInside) return true; int selectionStart, selectionEnd; selectionStartEnd(selectionStart, selectionEnd); if (s == SelectionStart) return selectionStart == 0; int end = node()->hasChildNodes() ? node()->childNodeCount() : 1; if (s == SelectionEnd) return selectionEnd == end; if (s == SelectionBoth) return selectionStart == 0 && selectionEnd == end; ASSERT(0); return false; } LayoutRect RenderReplaced::clippedOverflowRectForRepaint(const RenderLayerModelObject* repaintContainer) const { if (style()->visibility() != VISIBLE && !enclosingLayer()->hasVisibleContent()) return LayoutRect(); // The selectionRect can project outside of the overflowRect, so take their union // for repainting to avoid selection painting glitches. LayoutRect r = unionRect(localSelectionRect(false), visualOverflowRect()); RenderView* v = view(); if (v) { // FIXME: layoutDelta needs to be applied in parts before/after transforms and // repaint containers. https://bugs.webkit.org/show_bug.cgi?id=23308 r.move(v->layoutDelta()); } if (style()) { if (v) r.inflate(style()->outlineSize()); } computeRectForRepaint(repaintContainer, r); return r; } }