void
nsSVGForeignObjectFrame::DoReflow()
{
// Skip reflow if we're zero-sized, unless this is our first reflow.
if (IsDisabled() &&
!(GetStateBits() & NS_FRAME_FIRST_REFLOW))
return;
nsPresContext *presContext = PresContext();
nsIFrame* kid = GetFirstPrincipalChild();
if (!kid)
return;
// initiate a synchronous reflow here and now:
nsIPresShell* presShell = presContext->PresShell();
NS_ASSERTION(presShell, "null presShell");
nsRefPtr<nsRenderingContext> renderingContext =
presShell->GetReferenceRenderingContext();
if (!renderingContext)
return;
mInReflow = true;
nsHTMLReflowState reflowState(presContext, kid,
renderingContext,
nsSize(mRect.width, NS_UNCONSTRAINEDSIZE));
nsHTMLReflowMetrics desiredSize;
nsReflowStatus status;
// We don't use mRect.height above because that tells the child to do
// page/column breaking at that height.
NS_ASSERTION(reflowState.mComputedBorderPadding == nsMargin(0, 0, 0, 0) &&
reflowState.mComputedMargin == nsMargin(0, 0, 0, 0),
"style system should ensure that :-moz-svg-foreign-content "
"does not get styled");
NS_ASSERTION(reflowState.ComputedWidth() == mRect.width,
"reflow state made child wrong size");
reflowState.SetComputedHeight(mRect.height);
ReflowChild(kid, presContext, desiredSize, reflowState, 0, 0,
NS_FRAME_NO_MOVE_FRAME, status);
NS_ASSERTION(mRect.width == desiredSize.width &&
mRect.height == desiredSize.height, "unexpected size");
FinishReflowChild(kid, presContext, &reflowState, desiredSize, 0, 0,
NS_FRAME_NO_MOVE_FRAME);
mInReflow = false;
if (!(GetStateBits() & NS_STATE_SVG_NONDISPLAY_CHILD)) {
FlushDirtyRegion(0);
}
}
nsresult
TableBackgroundPainter::PaintTable(nsTableFrame* aTableFrame,
const nsMargin& aDeflate,
bool aPaintTableBackground)
{
NS_PRECONDITION(aTableFrame, "null table frame");
nsTableFrame::RowGroupArray rowGroups;
aTableFrame->OrderRowGroups(rowGroups);
if (rowGroups.Length() < 1) { //degenerate case
if (aPaintTableBackground) {
PaintTableFrame(aTableFrame, nullptr, nullptr, nsMargin(0,0,0,0));
}
/* No cells; nothing else to paint */
return NS_OK;
}
if (aPaintTableBackground) {
PaintTableFrame(aTableFrame, rowGroups[0], rowGroups[rowGroups.Length() - 1],
aDeflate);
}
/*Set up column background/border data*/
if (mNumCols > 0) {
nsFrameList& colGroupList = aTableFrame->GetColGroups();
NS_ASSERTION(colGroupList.FirstChild(), "table should have at least one colgroup");
mCols = new ColData[mNumCols];
if (!mCols) return NS_ERROR_OUT_OF_MEMORY;
TableBackgroundData* cgData = nullptr;
nsMargin border;
/* BC left borders aren't stored on cols, but the previous column's
right border is the next one's left border.*/
//Start with table's left border.
nscoord lastLeftBorder = aTableFrame->GetContinuousLeftBCBorderWidth();
for (nsTableColGroupFrame* cgFrame = static_cast<nsTableColGroupFrame*>(colGroupList.FirstChild());
cgFrame; cgFrame = static_cast<nsTableColGroupFrame*>(cgFrame->GetNextSibling())) {
if (cgFrame->GetColCount() < 1) {
//No columns, no cells, so no need for data
continue;
}
/*Create data struct for column group*/
cgData = new TableBackgroundData;
if (!cgData) return NS_ERROR_OUT_OF_MEMORY;
cgData->SetFull(cgFrame);
if (mIsBorderCollapse && cgData->ShouldSetBCBorder()) {
border.left = lastLeftBorder;
cgFrame->GetContinuousBCBorderWidth(border);
nsresult rv = cgData->SetBCBorder(border, this);
if (NS_FAILED(rv)) {
cgData->Destroy(mPresContext);
delete cgData;
return rv;
}
}
// Boolean that indicates whether mCols took ownership of cgData
bool cgDataOwnershipTaken = false;
/*Loop over columns in this colgroup*/
for (nsTableColFrame* col = cgFrame->GetFirstColumn(); col;
col = static_cast<nsTableColFrame*>(col->GetNextSibling())) {
/*Create data struct for column*/
uint32_t colIndex = col->GetColIndex();
NS_ASSERTION(colIndex < mNumCols, "prevent array boundary violation");
if (mNumCols <= colIndex)
break;
mCols[colIndex].mCol.SetFull(col);
//Bring column mRect into table's coord system
mCols[colIndex].mCol.mRect.MoveBy(cgData->mRect.x, cgData->mRect.y);
//link to parent colgroup's data
mCols[colIndex].mColGroup = cgData;
cgDataOwnershipTaken = true;
if (mIsBorderCollapse) {
border.left = lastLeftBorder;
lastLeftBorder = col->GetContinuousBCBorderWidth(border);
if (mCols[colIndex].mCol.ShouldSetBCBorder()) {
nsresult rv = mCols[colIndex].mCol.SetBCBorder(border, this);
if (NS_FAILED(rv)) return rv;
}
}
}
if (!cgDataOwnershipTaken) {
cgData->Destroy(mPresContext);
delete cgData;
}
}
}
for (uint32_t i = 0; i < rowGroups.Length(); i++) {
nsTableRowGroupFrame* rg = rowGroups[i];
mRowGroup.SetFrame(rg);
// Need to compute the right rect via GetOffsetTo, since the row
// group may not be a child of the table.
mRowGroup.mRect.MoveTo(rg->GetOffsetTo(aTableFrame));
if (mRowGroup.mRect.Intersects(mDirtyRect - mRenderPt)) {
nsresult rv = PaintRowGroup(rg, rg->IsPseudoStackingContextFromStyle());
if (NS_FAILED(rv)) return rv;
}
}
return NS_OK;
}
void
nsSVGForeignObjectFrame::DoReflow()
{
NS_ASSERTION(!(nsSVGUtils::GetOuterSVGFrame(this)->
GetStateBits() & NS_FRAME_FIRST_REFLOW),
"Calling InitialUpdate too early - must not call DoReflow!!!");
// Skip reflow if we're zero-sized, unless this is our first reflow.
if (IsDisabled() &&
!(GetStateBits() & NS_FRAME_FIRST_REFLOW))
return;
if (GetStateBits() & NS_STATE_SVG_NONDISPLAY_CHILD)
return;
nsPresContext *presContext = PresContext();
nsIFrame* kid = GetFirstChild(nsnull);
if (!kid)
return;
// initiate a synchronous reflow here and now:
nsSize availableSpace(NS_UNCONSTRAINEDSIZE, NS_UNCONSTRAINEDSIZE);
nsIPresShell* presShell = presContext->PresShell();
NS_ASSERTION(presShell, "null presShell");
nsRefPtr<nsRenderingContext> renderingContext =
presShell->GetReferenceRenderingContext();
if (!renderingContext)
return;
nsSVGForeignObjectElement *fO = static_cast<nsSVGForeignObjectElement*>
(mContent);
float width =
fO->mLengthAttributes[nsSVGForeignObjectElement::WIDTH].GetAnimValue(fO);
float height =
fO->mLengthAttributes[nsSVGForeignObjectElement::HEIGHT].GetAnimValue(fO);
// Clamp height & width to be non-negative (to match UpdateCoveredRegion).
width = NS_MAX(width, 0.0f);
height = NS_MAX(height, 0.0f);
nsSize size(nsPresContext::CSSPixelsToAppUnits(width),
nsPresContext::CSSPixelsToAppUnits(height));
mInReflow = PR_TRUE;
nsHTMLReflowState reflowState(presContext, kid,
renderingContext,
nsSize(size.width, NS_UNCONSTRAINEDSIZE));
nsHTMLReflowMetrics desiredSize;
nsReflowStatus status;
// We don't use size.height above because that tells the child to do
// page/column breaking at that height.
NS_ASSERTION(reflowState.mComputedBorderPadding == nsMargin(0, 0, 0, 0) &&
reflowState.mComputedMargin == nsMargin(0, 0, 0, 0),
"style system should ensure that :-moz-svg-foreign content "
"does not get styled");
NS_ASSERTION(reflowState.ComputedWidth() == size.width,
"reflow state made child wrong size");
reflowState.SetComputedHeight(size.height);
ReflowChild(kid, presContext, desiredSize, reflowState, 0, 0,
NS_FRAME_NO_MOVE_FRAME, status);
NS_ASSERTION(size.width == desiredSize.width &&
size.height == desiredSize.height, "unexpected size");
FinishReflowChild(kid, presContext, &reflowState, desiredSize, 0, 0,
NS_FRAME_NO_MOVE_FRAME);
mInReflow = PR_FALSE;
FlushDirtyRegion(0);
}
void
StickyScrollContainer::ComputeStickyLimits(nsIFrame* aFrame, nsRect* aStick,
nsRect* aContain) const
{
NS_ASSERTION(nsLayoutUtils::IsFirstContinuationOrIBSplitSibling(aFrame),
"Can't sticky position individual continuations");
aStick->SetRect(nscoord_MIN/2, nscoord_MIN/2, nscoord_MAX, nscoord_MAX);
aContain->SetRect(nscoord_MIN/2, nscoord_MIN/2, nscoord_MAX, nscoord_MAX);
const nsMargin* computedOffsets = static_cast<nsMargin*>(
aFrame->Properties().Get(nsIFrame::ComputedOffsetProperty()));
if (!computedOffsets) {
// We haven't reflowed the scroll frame yet, so offsets haven't been
// computed. Bail.
return;
}
nsIFrame* scrolledFrame = mScrollFrame->GetScrolledFrame();
nsIFrame* cbFrame = aFrame->GetContainingBlock();
NS_ASSERTION(cbFrame == scrolledFrame ||
nsLayoutUtils::IsProperAncestorFrame(scrolledFrame, cbFrame),
"Scroll frame should be an ancestor of the containing block");
nsRect rect =
nsLayoutUtils::GetAllInFlowRectsUnion(aFrame, aFrame->GetParent());
// Containing block limits for the position of aFrame relative to its parent.
// The margin box of the sticky element stays within the content box of the
// contaning-block element.
if (cbFrame != scrolledFrame) {
*aContain = nsLayoutUtils::
GetAllInFlowRectsUnion(cbFrame, aFrame->GetParent(),
nsLayoutUtils::RECTS_USE_CONTENT_BOX);
nsRect marginRect = nsLayoutUtils::
GetAllInFlowRectsUnion(aFrame, aFrame->GetParent(),
nsLayoutUtils::RECTS_USE_MARGIN_BOX);
// Deflate aContain by the difference between the union of aFrame's
// continuations' margin boxes and the union of their border boxes, so that
// by keeping aFrame within aContain, we keep the union of the margin boxes
// within the containing block's content box.
aContain->Deflate(marginRect - rect);
// Deflate aContain by the border-box size, to form a constraint on the
// upper-left corner of aFrame and continuations.
aContain->Deflate(nsMargin(0, rect.width, rect.height, 0));
}
nsMargin sfPadding = scrolledFrame->GetUsedPadding();
nsPoint sfOffset = aFrame->GetParent()->GetOffsetTo(scrolledFrame);
// Top
if (computedOffsets->top != NS_AUTOOFFSET) {
aStick->SetTopEdge(mScrollPosition.y + sfPadding.top +
computedOffsets->top - sfOffset.y);
}
nsSize sfSize = scrolledFrame->GetContentRectRelativeToSelf().Size();
// Bottom
if (computedOffsets->bottom != NS_AUTOOFFSET &&
(computedOffsets->top == NS_AUTOOFFSET ||
rect.height <= sfSize.height - computedOffsets->TopBottom())) {
aStick->SetBottomEdge(mScrollPosition.y + sfPadding.top + sfSize.height -
computedOffsets->bottom - rect.height - sfOffset.y);
}
uint8_t direction = cbFrame->StyleVisibility()->mDirection;
// Left
if (computedOffsets->left != NS_AUTOOFFSET &&
(computedOffsets->right == NS_AUTOOFFSET ||
direction == NS_STYLE_DIRECTION_LTR ||
rect.width <= sfSize.width - computedOffsets->LeftRight())) {
aStick->SetLeftEdge(mScrollPosition.x + sfPadding.left +
computedOffsets->left - sfOffset.x);
}
// Right
if (computedOffsets->right != NS_AUTOOFFSET &&
(computedOffsets->left == NS_AUTOOFFSET ||
direction == NS_STYLE_DIRECTION_RTL ||
rect.width <= sfSize.width - computedOffsets->LeftRight())) {
aStick->SetRightEdge(mScrollPosition.x + sfPadding.left + sfSize.width -
computedOffsets->right - rect.width - sfOffset.x);
}
// These limits are for the bounding box of aFrame's continuations. Convert
// to limits for aFrame itself.
nsPoint frameOffset = aFrame->GetPosition() - rect.TopLeft();
aStick->MoveBy(frameOffset);
aContain->MoveBy(frameOffset);
}
