diff options
Diffstat (limited to 'layout/generic/nsFrame.cpp')
| -rw-r--r-- | layout/generic/nsFrame.cpp | 220 |
1 files changed, 144 insertions, 76 deletions
diff --git a/layout/generic/nsFrame.cpp b/layout/generic/nsFrame.cpp index 8d4ea8754..ab264dd76 100644 --- a/layout/generic/nsFrame.cpp +++ b/layout/generic/nsFrame.cpp @@ -1794,6 +1794,13 @@ void nsFrame::DisplayOutlineUnconditional(nsDisplayListBuilder* aBuilder, const nsDisplayListSet& aLists) { + // Per https://drafts.csswg.org/css-tables-3/#global-style-overrides: + // "All css properties of table-column and table-column-group boxes are + // ignored, except when explicitly specified by this specification." + // CSS outlines fall into this category, so we skip them on these boxes. + + MOZ_ASSERT(GetType() != nsGkAtoms::tableColGroupFrame && GetType() != nsGkAtoms::tableColFrame); + if (StyleOutline()->mOutlineStyle == NS_STYLE_BORDER_STYLE_NONE) { return; } @@ -1814,7 +1821,7 @@ nsFrame::DisplayOutline(nsDisplayListBuilder* aBuilder, void nsIFrame::DisplayCaret(nsDisplayListBuilder* aBuilder, - const nsRect& aDirtyRect, nsDisplayList* aList) + nsDisplayList* aList) { if (!IsVisibleForPainting(aBuilder)) return; @@ -1840,7 +1847,9 @@ nsFrame::DisplayBackgroundUnconditional(nsDisplayListBuilder* aBuilder, if (aBuilder->IsForEventDelivery() || aForceBackground || !StyleBackground()->IsTransparent() || StyleDisplay()->mAppearance) { return nsDisplayBackgroundImage::AppendBackgroundItemsToTop( - aBuilder, this, GetRectRelativeToSelf(), aLists.BorderBackground()); + aBuilder, this, + GetRectRelativeToSelf() + aBuilder->ToReferenceFrame(this), + aLists.BorderBackground()); } return false; } @@ -1873,7 +1882,9 @@ nsFrame::DisplayBorderBackgroundOutline(nsDisplayListBuilder* aBuilder, // If there's a themed background, we should not create a border item. // It won't be rendered. - if (!bgIsThemed && StyleBorder()->HasBorder()) { + // Don't paint borders for tables here, since they paint them in a different + // order. + if (!bgIsThemed && StyleBorder()->HasBorder() && GetType() != nsGkAtoms::tableFrame) { aLists.BorderBackground()->AppendNewToTop(new (aBuilder) nsDisplayBorder(aBuilder, this)); } @@ -2073,13 +2084,12 @@ ItemParticipatesIn3DContext(nsIFrame* aAncestor, nsDisplayItem* aItem) static void WrapSeparatorTransform(nsDisplayListBuilder* aBuilder, nsIFrame* aFrame, - nsRect& aDirtyRect, nsDisplayList* aSource, nsDisplayList* aTarget, int aIndex) { if (!aSource->IsEmpty()) { nsDisplayTransform *sepIdItem = new (aBuilder) nsDisplayTransform(aBuilder, aFrame, aSource, - aDirtyRect, Matrix4x4(), aIndex); + aBuilder->GetDirtyRect(), Matrix4x4(), aIndex); sepIdItem->SetNoExtendContext(); aTarget->AppendToTop(sepIdItem); } @@ -2087,7 +2097,6 @@ WrapSeparatorTransform(nsDisplayListBuilder* aBuilder, nsIFrame* aFrame, void nsIFrame::BuildDisplayListForStackingContext(nsDisplayListBuilder* aBuilder, - const nsRect& aDirtyRect, nsDisplayList* aList) { if (GetStateBits() & NS_FRAME_TOO_DEEP_IN_FRAME_TREE) return; @@ -2131,13 +2140,14 @@ nsIFrame::BuildDisplayListForStackingContext(nsDisplayListBuilder* aBuilder, autoPreserves3DContext.emplace(aBuilder); // Save dirty rect on the builder to avoid being distorted for // multiple transforms along the chain. - aBuilder->SetPreserves3DDirtyRect(aDirtyRect); + aBuilder->SavePreserves3DRects(); } // For preserves3d, use the dirty rect already installed on the // builder, since aDirtyRect maybe distorted for transforms along // the chain. - nsRect dirtyRect = aDirtyRect; + nsRect visibleRect = aBuilder->GetVisibleRect(); + nsRect dirtyRect = aBuilder->GetDirtyRect(); bool inTransform = aBuilder->IsInTransform(); bool isTransformed = IsTransformed(); @@ -2148,7 +2158,7 @@ nsIFrame::BuildDisplayListForStackingContext(nsDisplayListBuilder* aBuilder, AutoSaveRestoreContainsBlendMode autoRestoreBlendMode(*aBuilder); aBuilder->SetContainsBlendMode(false); - nsRect dirtyRectOutsideTransform = dirtyRect; + nsRect visibleRectOutsideTransform = visibleRect; if (isTransformed) { const nsRect overflow = GetVisualOverflowRectRelativeToSelf(); if (nsDisplayTransform::ShouldPrerenderTransformedContent(aBuilder, @@ -2162,17 +2172,19 @@ nsIFrame::BuildDisplayListForStackingContext(nsDisplayListBuilder* aBuilder, // If we're in preserve-3d then grab the dirty rect that was given to the root // and transform using the combined transform. if (Combines3DTransformWithAncestors()) { - dirtyRect = aBuilder->GetPreserves3DDirtyRect(this); + dirtyRect = aBuilder->GetPreserves3DRects(&visibleRect); } nsRect untransformedDirtyRect; if (nsDisplayTransform::UntransformRect(dirtyRect, overflow, this, &untransformedDirtyRect)) { dirtyRect = untransformedDirtyRect; + nsDisplayTransform::UntransformRect(visibleRect, overflow, this, &visibleRect); } else { NS_WARNING("Unable to untransform dirty rect!"); // This should only happen if the transform is singular, in which case nothing is visible anyway dirtyRect.SetEmpty(); + visibleRect.SetEmpty(); } } inTransform = true; @@ -2181,11 +2193,13 @@ nsIFrame::BuildDisplayListForStackingContext(nsDisplayListBuilder* aBuilder, bool usingMask = nsSVGIntegrationUtils::UsingMaskOrClipPathForFrame(this); bool usingSVGEffects = usingFilter || usingMask; - nsRect dirtyRectOutsideSVGEffects = dirtyRect; + nsRect visibleRectOutsideSVGEffects = visibleRect; nsDisplayList hoistedScrollInfoItemsStorage; if (usingSVGEffects) { dirtyRect = nsSVGIntegrationUtils::GetRequiredSourceForInvalidArea(this, dirtyRect); + visibleRect = + nsSVGIntegrationUtils::GetRequiredSourceForInvalidArea(this, visibleRect); aBuilder->EnterSVGEffectsContents(&hoistedScrollInfoItemsStorage); } @@ -2205,7 +2219,7 @@ nsIFrame::BuildDisplayListForStackingContext(nsDisplayListBuilder* aBuilder, bool useFixedPosition = nsLayoutUtils::IsFixedPosFrameInDisplayPort(this); nsDisplayListBuilder::AutoBuildingDisplayList - buildingDisplayList(aBuilder, this, dirtyRect, true); + buildingDisplayList(aBuilder, this, visibleRect, dirtyRect, true); // Depending on the effects that are applied to this frame, we can create // multiple container display items and wrap them around our contents. @@ -2270,7 +2284,7 @@ nsIFrame::BuildDisplayListForStackingContext(nsDisplayListBuilder* aBuilder, clipState.EnterStackingContextContents(clearClip); - nsDisplayListCollection set; + nsDisplayListCollection set(aBuilder); { DisplayListClipState::AutoSaveRestore nestedClipState(aBuilder); nsDisplayListBuilder::AutoInTransformSetter @@ -2282,7 +2296,8 @@ nsIFrame::BuildDisplayListForStackingContext(nsDisplayListBuilder* aBuilder, Maybe<nsRect> clipPropClip = GetClipPropClipRect(disp, effects, GetSize()); if (clipPropClip) { - dirtyRect.IntersectRect(dirtyRect, *clipPropClip); + aBuilder->IntersectDirtyRect(*clipPropClip); + aBuilder->IntersectVisibleRect(*clipPropClip); nestedClipState.ClipContentDescendants( *clipPropClip + aBuilder->ToReferenceFrame(this)); } @@ -2295,7 +2310,7 @@ nsIFrame::BuildDisplayListForStackingContext(nsDisplayListBuilder* aBuilder, aBuilder->MarkPreserve3DFramesForDisplayList(this); } - MarkAbsoluteFramesForDisplayList(aBuilder, dirtyRect); + MarkAbsoluteFramesForDisplayList(aBuilder); nsDisplayLayerEventRegions* eventRegions = nullptr; if (aBuilder->IsBuildingLayerEventRegions()) { @@ -2304,7 +2319,7 @@ nsIFrame::BuildDisplayListForStackingContext(nsDisplayListBuilder* aBuilder, aBuilder->SetLayerEventRegions(eventRegions); } aBuilder->AdjustWindowDraggingRegion(this); - BuildDisplayList(aBuilder, dirtyRect, set); + BuildDisplayList(aBuilder, set); if (eventRegions) { // If the event regions item ended up empty, throw it away rather than // adding it to the display list. @@ -2410,7 +2425,7 @@ nsIFrame::BuildDisplayListForStackingContext(nsDisplayListBuilder* aBuilder, clipState.ExitStackingContextContents(&containerItemScrollClip); } // Revert to the post-filter dirty rect. - buildingDisplayList.SetDirtyRect(dirtyRectOutsideSVGEffects); + aBuilder->SetVisibleRect(visibleRectOutsideSVGEffects); // Skip all filter effects while generating glyph mask. if (usingFilter && !aBuilder->IsForGenerateGlyphMask()) { @@ -2443,7 +2458,7 @@ nsIFrame::BuildDisplayListForStackingContext(nsDisplayListBuilder* aBuilder, /* If the list is non-empty and there is CSS group opacity without SVG * effects, wrap it up in an opacity item. */ - if (useOpacity && !resultList.IsEmpty()) { + if (useOpacity) { // Don't clip nsDisplayOpacity items. We clip their descendants instead. // The clip we would set on an element with opacity would clip // all descendant content, but some should not be clipped. @@ -2465,7 +2480,7 @@ nsIFrame::BuildDisplayListForStackingContext(nsDisplayListBuilder* aBuilder, * We also traverse into sublists created by nsDisplayWrapList, so that we find all the * correct children. */ - if (isTransformed && !resultList.IsEmpty() && extend3DContext) { + if (isTransformed && extend3DContext) { // Install dummy nsDisplayTransform as a leaf containing // descendants not participating this 3D rendering context. nsDisplayList nonparticipants; @@ -2475,8 +2490,7 @@ nsIFrame::BuildDisplayListForStackingContext(nsDisplayListBuilder* aBuilder, while (nsDisplayItem* item = resultList.RemoveBottom()) { if (ItemParticipatesIn3DContext(this, item) && !item->GetClip().HasClip()) { // The frame of this item participates the same 3D context. - WrapSeparatorTransform(aBuilder, this, dirtyRect, - &nonparticipants, &participants, index++); + WrapSeparatorTransform(aBuilder, this, &nonparticipants, &participants, index++); participants.AppendToTop(item); } else { // The frame of the item doesn't participate the current @@ -2489,19 +2503,18 @@ nsIFrame::BuildDisplayListForStackingContext(nsDisplayListBuilder* aBuilder, nonparticipants.AppendToTop(item); } } - WrapSeparatorTransform(aBuilder, this, dirtyRect, - &nonparticipants, &participants, index++); + WrapSeparatorTransform(aBuilder, this, &nonparticipants, &participants, index++); resultList.AppendToTop(&participants); } - if (isTransformed && !resultList.IsEmpty()) { + if (isTransformed) { if (clipCapturedBy == ContainerItemType::eTransform) { // Restore clip state now so nsDisplayTransform is clipped properly. clipState.ExitStackingContextContents(&containerItemScrollClip); } // Revert to the dirtyrect coming in from the parent, without our transform // taken into account. - buildingDisplayList.SetDirtyRect(dirtyRectOutsideTransform); + aBuilder->SetVisibleRect(visibleRectOutsideTransform); // Revert to the outer reference frame and offset because all display // items we create from now on are outside the transform. nsPoint toOuterReferenceFrame; @@ -2514,10 +2527,10 @@ nsIFrame::BuildDisplayListForStackingContext(nsDisplayListBuilder* aBuilder, GetOffsetToCrossDoc(outerReferenceFrame)); bool isFullyVisible = - dirtyRectOutsideSVGEffects.Contains(GetVisualOverflowRectRelativeToSelf()); + visibleRectOutsideSVGEffects.Contains(GetVisualOverflowRectRelativeToSelf()); nsDisplayTransform *transformItem = new (aBuilder) nsDisplayTransform(aBuilder, this, - &resultList, dirtyRect, 0, + &resultList, visibleRect, 0, isFullyVisible); resultList.AppendNewToTop(transformItem); @@ -2561,7 +2574,7 @@ nsIFrame::BuildDisplayListForStackingContext(nsDisplayListBuilder* aBuilder, * not affected by foreground opacity (only background alpha). */ - if (useBlendMode && !resultList.IsEmpty()) { + if (useBlendMode) { DisplayListClipState::AutoSaveRestore mixBlendClipState(aBuilder); mixBlendClipState.Clear(); resultList.AppendNewToTop( @@ -2602,10 +2615,80 @@ WrapInWrapList(nsDisplayListBuilder* aBuilder, return item; } + static bool DescendIntoChild(nsDisplayListBuilder* aBuilder, + const nsIFrame* aChild, const nsRect& aVisible, + const nsRect& aDirty) { + if (aChild->GetStateBits() & NS_FRAME_FORCE_DISPLAY_LIST_DESCEND_INTO) { + return true; + } + // No need to descend into child to catch placeholders for visible + // positioned stuff. So see if we can short-circuit frame traversal here. + + // We can stop if child's frame subtree's intersection with the + // dirty area is empty. + // If the child is a scrollframe that we want to ignore, then we need + // to descend into it because its scrolled child may intersect the dirty + // area even if the scrollframe itself doesn't. + // There are cases where the "ignore scroll frame" on the builder is not set + // correctly, and so we additionally want to catch cases where the child is + // a root scrollframe and we are ignoring scrolling on the viewport. + + // If the child is a scrollframe that we want to ignore, then we need + // to descend into it because its scrolled child may intersect the dirty + // area even if the scrollframe itself doesn't. + if (aChild == aBuilder->GetIgnoreScrollFrame()) { + return true; + } + + + // There are cases where the "ignore scroll frame" on the builder is not set + // correctly, and so we additionally want to catch cases where the child is + // a root scrollframe and we are ignoring scrolling on the viewport. + if (aChild == aBuilder->GetPresShellIgnoreScrollFrame()) { + return true; + } + + const nsRect overflow = aChild->GetVisualOverflowRect(); + + if (aDirty.Intersects(overflow)) { + return true; + } + + if (aChild->ForceDescendIntoIfVisible() && aVisible.Intersects(overflow)) { + return true; + } + + if (aChild->IsFrameOfType(nsIFrame::eTablePart)) { + // Relative positioning and transforms can cause table parts to move, but we + // will still paint the backgrounds for their ancestor parts under them at + // their 'normal' position. That means that we must consider the overflow + // rects at both positions. + + // We convert the overflow rect into the nsTableFrame's coordinate + // space, applying the normal position offset at each step. Then we + // compare that against the builder's cached dirty rect in table + // coordinate space. + const nsIFrame* f = aChild; + nsRect normalPositionOverflowRelativeToTable = overflow; + + while (f->IsFrameOfType(nsIFrame::eTablePart)) { + normalPositionOverflowRelativeToTable += f->GetNormalPosition(); + f = f->GetParent(); + } + + nsDisplayTableBackgroundSet* tableBGs = aBuilder->GetTableBackgroundSet(); + if (tableBGs && + tableBGs->GetDirtyRect().Intersects(normalPositionOverflowRelativeToTable)) { + return true; + } + } + + return false; +} + void nsIFrame::BuildDisplayListForChild(nsDisplayListBuilder* aBuilder, nsIFrame* aChild, - const nsRect& aDirtyRect, const nsDisplayListSet& aLists, uint32_t aFlags) { // If painting is restricted to just the background of the top level frame, @@ -2638,12 +2721,16 @@ nsIFrame::BuildDisplayListForChild(nsDisplayListBuilder* aBuilder, pseudoStackingContext = true; } - // dirty rect in child-relative coordinates - nsRect dirty = aDirtyRect - child->GetOffsetTo(this); - nsIAtom* childType = child->GetType(); nsDisplayListBuilder::OutOfFlowDisplayData* savedOutOfFlowData = nullptr; bool isPlaceholder = false; + + // dirty rect in child-relative coordinates + NS_ASSERTION(aBuilder->GetCurrentFrame() == this, "Wrong coord space!"); + const nsPoint offset = child->GetOffsetTo(this); + nsRect visible = aBuilder->GetVisibleRect() - offset; + nsRect dirty = aBuilder->GetDirtyRect() - offset; + if (childType == nsGkAtoms::placeholderFrame) { isPlaceholder = true; nsPlaceholderFrame* placeholder = static_cast<nsPlaceholderFrame*>(child); @@ -2673,15 +2760,25 @@ nsIFrame::BuildDisplayListForChild(nsDisplayListBuilder* aBuilder, return; savedOutOfFlowData = nsDisplayListBuilder::GetOutOfFlowData(child); if (savedOutOfFlowData) { + visible = savedOutOfFlowData->mVisibleRect; dirty = savedOutOfFlowData->mDirtyRect; } else { // The out-of-flow frame did not intersect the dirty area. We may still // need to traverse into it, since it may contain placeholders we need // to enter to reach other out-of-flow frames that are visible. + visible.SetEmpty(); dirty.SetEmpty(); } pseudoStackingContext = true; } + + if (aBuilder->GetIncludeAllOutOfFlows() && + (child->GetStateBits() & NS_FRAME_OUT_OF_FLOW)) { + visible = child->GetVisualOverflowRect(); + dirty = child->GetVisualOverflowRect(); + } else if (!DescendIntoChild(aBuilder, child, visible, dirty)) { + return; + } NS_ASSERTION(childType != nsGkAtoms::placeholderFrame, "Should have dealt with placeholders already"); @@ -2691,36 +2788,6 @@ nsIFrame::BuildDisplayListForChild(nsDisplayListBuilder* aBuilder, return; } - if (aBuilder->GetIncludeAllOutOfFlows() && - (child->GetStateBits() & NS_FRAME_OUT_OF_FLOW)) { - dirty = child->GetVisualOverflowRect(); - } else if (!(child->GetStateBits() & NS_FRAME_FORCE_DISPLAY_LIST_DESCEND_INTO)) { - // No need to descend into child to catch placeholders for visible - // positioned stuff. So see if we can short-circuit frame traversal here. - - // We can stop if child's frame subtree's intersection with the - // dirty area is empty. - // If the child is a scrollframe that we want to ignore, then we need - // to descend into it because its scrolled child may intersect the dirty - // area even if the scrollframe itself doesn't. - // There are cases where the "ignore scroll frame" on the builder is not set - // correctly, and so we additionally want to catch cases where the child is - // a root scrollframe and we are ignoring scrolling on the viewport. - nsIPresShell* shell = PresContext()->PresShell(); - bool keepDescending = child == aBuilder->GetIgnoreScrollFrame() || - (shell->IgnoringViewportScrolling() && child == shell->GetRootScrollFrame()); - if (!keepDescending) { - nsRect childDirty; - if (!childDirty.IntersectRect(dirty, child->GetVisualOverflowRect())) - return; - // Usually we could set dirty to childDirty now but there's no - // benefit, and it can be confusing. It can especially confuse - // situations where we're going to ignore a scrollframe's clipping; - // we wouldn't want to clip the dirty area to the scrollframe's - // bounds in that case. - } - } - // XXX need to have inline-block and inline-table set pseudoStackingContext const nsStyleDisplay* ourDisp = StyleDisplay(); @@ -2771,7 +2838,8 @@ nsIFrame::BuildDisplayListForChild(nsDisplayListBuilder* aBuilder, "Stacking contexts must also be pseudo-stacking-contexts"); nsDisplayListBuilder::AutoBuildingDisplayList - buildingForChild(aBuilder, child, dirty, pseudoStackingContext); + buildingForChild(aBuilder, child, visible, dirty, pseudoStackingContext); + DisplayListClipState::AutoClipMultiple clipState(aBuilder); CheckForApzAwareEventHandlers(aBuilder, child); @@ -2784,7 +2852,7 @@ nsIFrame::BuildDisplayListForChild(nsDisplayListBuilder* aBuilder, savedOutOfFlowData->mContainingBlockScrollClip); } else if (GetStateBits() & NS_FRAME_FORCE_DISPLAY_LIST_DESCEND_INTO && isPlaceholder) { - NS_ASSERTION(dirty.IsEmpty(), "should have empty dirty rect"); + NS_ASSERTION(visible.IsEmpty(), "should have empty visible rect"); // Every item we build from now until we descent into an out of flow that // does have saved out of flow data should be invisible. This state gets // restored when AutoBuildingDisplayList gets out of scope. @@ -2820,18 +2888,19 @@ nsIFrame::BuildDisplayListForChild(nsDisplayListBuilder* aBuilder, // True stacking context. // For stacking contexts, BuildDisplayListForStackingContext handles // clipping and MarkAbsoluteFramesForDisplayList. - child->BuildDisplayListForStackingContext(aBuilder, dirty, &list); - aBuilder->DisplayCaret(child, dirty, &list); + child->BuildDisplayListForStackingContext(aBuilder, &list); + aBuilder->DisplayCaret(child, &list); } else { Maybe<nsRect> clipPropClip = child->GetClipPropClipRect(disp, effects, child->GetSize()); if (clipPropClip) { - dirty.IntersectRect(dirty, *clipPropClip); + aBuilder->IntersectVisibleRect(*clipPropClip); + aBuilder->IntersectDirtyRect(*clipPropClip); clipState.ClipContentDescendants( *clipPropClip + aBuilder->ToReferenceFrame(child)); } - child->MarkAbsoluteFramesForDisplayList(aBuilder, dirty); + child->MarkAbsoluteFramesForDisplayList(aBuilder); if (aBuilder->IsBuildingLayerEventRegions()) { // If this frame has a different animated geometry root than its parent, @@ -2863,8 +2932,8 @@ nsIFrame::BuildDisplayListForChild(nsDisplayListBuilder* aBuilder, // return early. aBuilder->AdjustWindowDraggingRegion(child); - child->BuildDisplayList(aBuilder, dirty, aLists); - aBuilder->DisplayCaret(child, dirty, aLists.Content()); + child->BuildDisplayList(aBuilder, aLists); + aBuilder->DisplayCaret(child, aLists.Content()); #ifdef DEBUG DisplayDebugBorders(aBuilder, child, aLists); #endif @@ -2875,10 +2944,10 @@ nsIFrame::BuildDisplayListForChild(nsDisplayListBuilder* aBuilder, // We allow positioned descendants of the child to escape to our parent // stacking context's positioned descendant list, because they might be // z-index:non-auto - nsDisplayListCollection pseudoStack; + nsDisplayListCollection pseudoStack(aBuilder); aBuilder->AdjustWindowDraggingRegion(child); - child->BuildDisplayList(aBuilder, dirty, pseudoStack); - aBuilder->DisplayCaret(child, dirty, pseudoStack.Content()); + child->BuildDisplayList(aBuilder, pseudoStack); + aBuilder->DisplayCaret(child, pseudoStack.Content()); list.AppendToTop(pseudoStack.BorderBackground()); list.AppendToTop(pseudoStack.BlockBorderBackgrounds()); @@ -2928,11 +2997,10 @@ nsIFrame::BuildDisplayListForChild(nsDisplayListBuilder* aBuilder, } void -nsIFrame::MarkAbsoluteFramesForDisplayList(nsDisplayListBuilder* aBuilder, - const nsRect& aDirtyRect) +nsIFrame::MarkAbsoluteFramesForDisplayList(nsDisplayListBuilder* aBuilder) { if (IsAbsoluteContainer()) { - aBuilder->MarkFramesForDisplayList(this, GetAbsoluteContainingBlock()->GetChildList(), aDirtyRect); + aBuilder->MarkFramesForDisplayList(this, GetAbsoluteContainingBlock()->GetChildList()); } } |