mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
822b2ca3bc
Except for the changes in: layout/generic/nsIFrame.h (part) layout/style/nsComputedDOMStyle.h (all) layout/style/nsRuleNode.cpp (part) layout/style/nsStyleContext.cpp (part) layout/style/nsStyleContext.h (part) (see patch 3b in the bug), this patch was written with the sed script: s/\<GetStyle\(Font\|Color\|List\|Text\|Visibility\|Quotes\|UserInterface\|TableBorder\|SVG\|Background\|Position\|TextReset\|Display\|Content\|UIReset\|Table\|Margin\|Padding\|Border\|Outline\|XUL\|SVGReset\|Column\)\>/Style\1/g
347 lines
12 KiB
C++
347 lines
12 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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// Main header first:
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#include "nsSVGContainerFrame.h"
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// Keep others in (case-insensitive) order:
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#include "nsSVGEffects.h"
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#include "nsSVGElement.h"
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#include "nsSVGUtils.h"
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#include "SVGAnimatedTransformList.h"
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using namespace mozilla;
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NS_QUERYFRAME_HEAD(nsSVGContainerFrame)
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NS_QUERYFRAME_ENTRY(nsSVGContainerFrame)
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NS_QUERYFRAME_TAIL_INHERITING(nsSVGContainerFrameBase)
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NS_QUERYFRAME_HEAD(nsSVGDisplayContainerFrame)
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NS_QUERYFRAME_ENTRY(nsSVGDisplayContainerFrame)
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NS_QUERYFRAME_ENTRY(nsISVGChildFrame)
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NS_QUERYFRAME_TAIL_INHERITING(nsSVGContainerFrame)
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nsIFrame*
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NS_NewSVGContainerFrame(nsIPresShell* aPresShell,
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nsStyleContext* aContext)
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{
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nsIFrame *frame = new (aPresShell) nsSVGContainerFrame(aContext);
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// If we were called directly, then the frame is for a <defs> or
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// an unknown element type. In both cases we prevent the content
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// from displaying directly.
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frame->AddStateBits(NS_STATE_SVG_NONDISPLAY_CHILD);
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return frame;
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}
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NS_IMPL_FRAMEARENA_HELPERS(nsSVGContainerFrame)
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NS_IMPL_FRAMEARENA_HELPERS(nsSVGDisplayContainerFrame)
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NS_IMETHODIMP
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nsSVGContainerFrame::AppendFrames(ChildListID aListID,
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nsFrameList& aFrameList)
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{
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return InsertFrames(aListID, mFrames.LastChild(), aFrameList);
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}
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NS_IMETHODIMP
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nsSVGContainerFrame::InsertFrames(ChildListID aListID,
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nsIFrame* aPrevFrame,
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nsFrameList& aFrameList)
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{
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NS_ASSERTION(aListID == kPrincipalList, "unexpected child list");
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NS_ASSERTION(!aPrevFrame || aPrevFrame->GetParent() == this,
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"inserting after sibling frame with different parent");
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mFrames.InsertFrames(this, aPrevFrame, aFrameList);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsSVGContainerFrame::RemoveFrame(ChildListID aListID,
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nsIFrame* aOldFrame)
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{
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NS_ASSERTION(aListID == kPrincipalList, "unexpected child list");
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mFrames.DestroyFrame(aOldFrame);
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return NS_OK;
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}
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bool
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nsSVGContainerFrame::UpdateOverflow()
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{
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if (mState & NS_STATE_SVG_NONDISPLAY_CHILD) {
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// We don't maintain overflow rects.
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// XXX It would have be better if the restyle request hadn't even happened.
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return false;
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}
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return nsSVGContainerFrameBase::UpdateOverflow();
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}
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NS_IMETHODIMP
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nsSVGDisplayContainerFrame::Init(nsIContent* aContent,
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nsIFrame* aParent,
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nsIFrame* aPrevInFlow)
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{
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if (!(GetStateBits() & NS_STATE_IS_OUTER_SVG)) {
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AddStateBits(aParent->GetStateBits() &
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(NS_STATE_SVG_NONDISPLAY_CHILD | NS_STATE_SVG_CLIPPATH_CHILD));
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}
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nsresult rv = nsSVGContainerFrame::Init(aContent, aParent, aPrevInFlow);
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return rv;
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}
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void
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nsSVGDisplayContainerFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
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const nsRect& aDirtyRect,
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const nsDisplayListSet& aLists)
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{
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if (mContent->IsSVG() &&
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!static_cast<const nsSVGElement*>(mContent)->HasValidDimensions()) {
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return;
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}
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return BuildDisplayListForNonBlockChildren(aBuilder, aDirtyRect, aLists);
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}
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NS_IMETHODIMP
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nsSVGDisplayContainerFrame::InsertFrames(ChildListID aListID,
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nsIFrame* aPrevFrame,
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nsFrameList& aFrameList)
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{
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// memorize first old frame after insertion point
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// XXXbz once again, this would work a lot better if the nsIFrame
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// methods returned framelist iterators....
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nsIFrame* firstOldFrame = aPrevFrame ?
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aPrevFrame->GetNextSibling() : GetChildList(aListID).FirstChild();
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nsIFrame* firstNewFrame = aFrameList.FirstChild();
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// Insert the new frames
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nsSVGContainerFrame::InsertFrames(aListID, aPrevFrame, aFrameList);
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// If we are not a non-display SVG frame and we do not have a bounds update
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// pending, then we need to schedule one for our new children:
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if (!(GetStateBits() &
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(NS_FRAME_IS_DIRTY | NS_FRAME_HAS_DIRTY_CHILDREN |
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NS_STATE_SVG_NONDISPLAY_CHILD))) {
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for (nsIFrame* kid = firstNewFrame; kid != firstOldFrame;
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kid = kid->GetNextSibling()) {
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nsISVGChildFrame* SVGFrame = do_QueryFrame(kid);
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if (SVGFrame) {
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NS_ABORT_IF_FALSE(!(kid->GetStateBits() & NS_STATE_SVG_NONDISPLAY_CHILD),
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"Check for this explicitly in the |if|, then");
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bool isFirstReflow = (kid->GetStateBits() & NS_FRAME_FIRST_REFLOW);
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// Remove bits so that ScheduleBoundsUpdate will work:
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kid->RemoveStateBits(NS_FRAME_FIRST_REFLOW | NS_FRAME_IS_DIRTY |
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NS_FRAME_HAS_DIRTY_CHILDREN);
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// No need to invalidate the new kid's old bounds, so we just use
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// nsSVGUtils::ScheduleBoundsUpdate.
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nsSVGUtils::ScheduleReflowSVG(kid);
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if (isFirstReflow) {
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// Add back the NS_FRAME_FIRST_REFLOW bit:
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kid->AddStateBits(NS_FRAME_FIRST_REFLOW);
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}
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}
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}
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsSVGDisplayContainerFrame::RemoveFrame(ChildListID aListID,
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nsIFrame* aOldFrame)
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{
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nsSVGUtils::InvalidateBounds(aOldFrame);
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nsresult rv = nsSVGContainerFrame::RemoveFrame(aListID, aOldFrame);
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if (!(GetStateBits() & (NS_STATE_SVG_NONDISPLAY_CHILD | NS_STATE_IS_OUTER_SVG))) {
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nsSVGUtils::NotifyAncestorsOfFilterRegionChange(this);
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}
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return rv;
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}
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bool
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nsSVGDisplayContainerFrame::IsSVGTransformed(gfxMatrix *aOwnTransform,
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gfxMatrix *aFromParentTransform) const
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{
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bool foundTransform = false;
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// Check if our parent has children-only transforms:
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nsIFrame *parent = GetParent();
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if (parent &&
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parent->IsFrameOfType(nsIFrame::eSVG | nsIFrame::eSVGContainer)) {
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foundTransform = static_cast<nsSVGContainerFrame*>(parent)->
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HasChildrenOnlyTransform(aFromParentTransform);
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}
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if (mContent->IsSVG()) {
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nsSVGElement *content = static_cast<nsSVGElement*>(mContent);
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if (content->GetAnimatedTransformList() ||
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content->GetAnimateMotionTransform()) {
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if (aOwnTransform) {
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*aOwnTransform = content->PrependLocalTransformsTo(gfxMatrix(),
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nsSVGElement::eUserSpaceToParent);
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}
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foundTransform = true;
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}
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}
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return foundTransform;
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}
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//----------------------------------------------------------------------
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// nsISVGChildFrame methods
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NS_IMETHODIMP
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nsSVGDisplayContainerFrame::PaintSVG(nsRenderingContext* aContext,
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const nsIntRect *aDirtyRect)
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{
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NS_ASSERTION(!NS_SVGDisplayListPaintingEnabled() ||
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(mState & NS_STATE_SVG_NONDISPLAY_CHILD) ||
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PresContext()->IsGlyph(),
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"If display lists are enabled, only painting of non-display "
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"SVG should take this code path");
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const nsStyleDisplay *display = StyleDisplay();
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if (display->mOpacity == 0.0)
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return NS_OK;
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for (nsIFrame* kid = mFrames.FirstChild(); kid;
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kid = kid->GetNextSibling()) {
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nsSVGUtils::PaintFrameWithEffects(aContext, aDirtyRect, kid);
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}
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return NS_OK;
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}
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NS_IMETHODIMP_(nsIFrame*)
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nsSVGDisplayContainerFrame::GetFrameForPoint(const nsPoint &aPoint)
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{
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NS_ASSERTION(!NS_SVGDisplayListHitTestingEnabled() ||
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(mState & NS_STATE_SVG_NONDISPLAY_CHILD),
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"If display lists are enabled, only hit-testing of a "
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"clipPath's contents should take this code path");
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return nsSVGUtils::HitTestChildren(this, aPoint);
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}
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NS_IMETHODIMP_(nsRect)
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nsSVGDisplayContainerFrame::GetCoveredRegion()
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{
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return nsSVGUtils::GetCoveredRegion(mFrames);
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}
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void
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nsSVGDisplayContainerFrame::ReflowSVG()
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{
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NS_ASSERTION(nsSVGUtils::OuterSVGIsCallingReflowSVG(this),
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"This call is probably a wasteful mistake");
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NS_ABORT_IF_FALSE(!(GetStateBits() & NS_STATE_SVG_NONDISPLAY_CHILD),
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"ReflowSVG mechanism not designed for this");
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NS_ABORT_IF_FALSE(GetType() != nsGkAtoms::svgOuterSVGFrame,
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"Do not call on outer-<svg>");
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if (!nsSVGUtils::NeedsReflowSVG(this)) {
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return;
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}
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// If the NS_FRAME_FIRST_REFLOW bit has been removed from our parent frame,
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// then our outer-<svg> has previously had its initial reflow. In that case
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// we need to make sure that that bit has been removed from ourself _before_
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// recursing over our children to ensure that they know too. Otherwise, we
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// need to remove it _after_ recursing over our children so that they know
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// the initial reflow is currently underway.
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bool outerSVGHasHadFirstReflow =
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(GetParent()->GetStateBits() & NS_FRAME_FIRST_REFLOW) == 0;
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if (outerSVGHasHadFirstReflow) {
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mState &= ~NS_FRAME_FIRST_REFLOW; // tell our children
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}
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nsOverflowAreas overflowRects;
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for (nsIFrame* kid = mFrames.FirstChild(); kid;
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kid = kid->GetNextSibling()) {
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nsISVGChildFrame* SVGFrame = do_QueryFrame(kid);
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if (SVGFrame) {
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NS_ABORT_IF_FALSE(!(kid->GetStateBits() & NS_STATE_SVG_NONDISPLAY_CHILD),
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"Check for this explicitly in the |if|, then");
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kid->AddStateBits(mState & NS_FRAME_IS_DIRTY);
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SVGFrame->ReflowSVG();
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// We build up our child frame overflows here instead of using
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// nsLayoutUtils::UnionChildOverflow since SVG frame's all use the same
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// frame list, and we're iterating over that list now anyway.
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ConsiderChildOverflow(overflowRects, kid);
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}
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}
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// <svg> can create an SVG viewport with an offset due to its
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// x/y/width/height attributes, and <use> can introduce an offset with an
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// empty mRect (any width/height is copied to an anonymous <svg> child).
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// Other than that containers should not set mRect since all other offsets
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// come from transforms, which are accounted for by nsDisplayTransform.
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// Note that we rely on |overflow:visible| to allow display list items to be
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// created for our children.
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NS_ABORT_IF_FALSE(mContent->Tag() == nsGkAtoms::svg ||
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(mContent->Tag() == nsGkAtoms::use &&
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mRect.Size() == nsSize(0,0)) ||
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mRect.IsEqualEdges(nsRect()),
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"Only inner-<svg>/<use> is expected to have mRect set");
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if (mState & NS_FRAME_FIRST_REFLOW) {
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// Make sure we have our filter property (if any) before calling
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// FinishAndStoreOverflow (subsequent filter changes are handled off
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// nsChangeHint_UpdateEffects):
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nsSVGEffects::UpdateEffects(this);
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}
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FinishAndStoreOverflow(overflowRects, mRect.Size());
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// Remove state bits after FinishAndStoreOverflow so that it doesn't
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// invalidate on first reflow:
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mState &= ~(NS_FRAME_FIRST_REFLOW | NS_FRAME_IS_DIRTY |
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NS_FRAME_HAS_DIRTY_CHILDREN);
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}
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void
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nsSVGDisplayContainerFrame::NotifySVGChanged(uint32_t aFlags)
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{
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NS_ABORT_IF_FALSE(aFlags & (TRANSFORM_CHANGED | COORD_CONTEXT_CHANGED),
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"Invalidation logic may need adjusting");
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nsSVGUtils::NotifyChildrenOfSVGChange(this, aFlags);
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}
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SVGBBox
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nsSVGDisplayContainerFrame::GetBBoxContribution(
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const gfxMatrix &aToBBoxUserspace,
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uint32_t aFlags)
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{
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SVGBBox bboxUnion;
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nsIFrame* kid = mFrames.FirstChild();
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while (kid) {
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nsISVGChildFrame* svgKid = do_QueryFrame(kid);
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if (svgKid) {
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gfxMatrix transform = aToBBoxUserspace;
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nsIContent *content = kid->GetContent();
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if (content->IsSVG()) {
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transform = static_cast<nsSVGElement*>(content)->
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PrependLocalTransformsTo(aToBBoxUserspace);
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}
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// We need to include zero width/height vertical/horizontal lines, so we have
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// to use UnionEdges.
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bboxUnion.UnionEdges(svgKid->GetBBoxContribution(transform, aFlags));
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}
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kid = kid->GetNextSibling();
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}
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return bboxUnion;
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}
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