NS_IMETHODIMP
nsMathMLmoFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
const nsRect& aDirtyRect,
const nsDisplayListSet& aLists)
{
nsresult rv = NS_OK;
PRBool useMathMLChar = UseMathMLChar();
if (!useMathMLChar) {
// let the base class do everything
rv = nsMathMLTokenFrame::BuildDisplayList(aBuilder, aDirtyRect, aLists);
NS_ENSURE_SUCCESS(rv, rv);
} else {
rv = DisplayBorderBackgroundOutline(aBuilder, aLists);
NS_ENSURE_SUCCESS(rv, rv);
// make our char selected if our inner child text frame is selected
PRBool isSelected = PR_FALSE;
nsRect selectedRect;
nsIFrame* firstChild = mFrames.FirstChild();
if (IsFrameInSelection(firstChild)) {
selectedRect = firstChild->GetRect();
isSelected = PR_TRUE;
}
rv = mMathMLChar.Display(aBuilder, this, aLists, isSelected ? &selectedRect : nsnull);
NS_ENSURE_SUCCESS(rv, rv);
#if defined(NS_DEBUG) && defined(SHOW_BOUNDING_BOX)
// for visual debug
rv = DisplayBoundingMetrics(aBuilder, this, mReference, mBoundingMetrics, aLists);
#endif
}
return rv;
}
void
nsMathMLmoFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
const nsRect& aDirtyRect,
const nsDisplayListSet& aLists)
{
bool useMathMLChar = UseMathMLChar();
if (!useMathMLChar) {
// let the base class do everything
nsMathMLTokenFrame::BuildDisplayList(aBuilder, aDirtyRect, aLists);
} else {
DisplayBorderBackgroundOutline(aBuilder, aLists);
// make our char selected if our inner child text frame is selected
bool isSelected = false;
nsRect selectedRect;
nsIFrame* firstChild = mFrames.FirstChild();
if (IsFrameInSelection(firstChild)) {
mMathMLChar.GetRect(selectedRect);
// add a one pixel border (it renders better for operators like minus)
selectedRect.Inflate(nsPresContext::CSSPixelsToAppUnits(1));
isSelected = true;
}
mMathMLChar.Display(aBuilder, this, aLists, 0, isSelected ? &selectedRect : nullptr);
#if defined(DEBUG) && defined(SHOW_BOUNDING_BOX)
// for visual debug
DisplayBoundingMetrics(aBuilder, this, mReference, mBoundingMetrics, aLists);
#endif
}
}
NS_IMETHODIMP
nsComboboxControlFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
const nsRect& aDirtyRect,
const nsDisplayListSet& aLists)
{
#ifdef NOISY
printf("%p paint at (%d, %d, %d, %d)\n", this,
aDirtyRect.x, aDirtyRect.y, aDirtyRect.width, aDirtyRect.height);
#endif
if (aBuilder->IsForEventDelivery()) {
// Don't allow children to receive events.
// REVIEW: following old GetFrameForPoint
nsresult rv = DisplayBorderBackgroundOutline(aBuilder, aLists);
NS_ENSURE_SUCCESS(rv, rv);
} else {
// REVIEW: Our in-flow child frames are inline-level so they will paint in our
// content list, so we don't need to mess with layers.
nsresult rv = nsBlockFrame::BuildDisplayList(aBuilder, aDirtyRect, aLists);
NS_ENSURE_SUCCESS(rv, rv);
}
nsPresContext *presContext = PresContext();
const nsStyleDisplay *disp = GetStyleDisplay();
if ((!IsThemed(disp) ||
!presContext->GetTheme()->ThemeDrawsFocusForWidget(presContext, this, disp->mAppearance)) &&
mDisplayFrame && IsVisibleForPainting(aBuilder)) {
nsresult rv = aLists.Content()->AppendNewToTop(new (aBuilder)
nsDisplayComboboxFocus(this));
NS_ENSURE_SUCCESS(rv, rv);
}
return DisplaySelectionOverlay(aBuilder, aLists);
}
// Only paint the selected child...
NS_IMETHODIMP
nsMathMLmactionFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
const nsRect& aDirtyRect,
const nsDisplayListSet& aLists)
{
// Report an error if something wrong was found in this frame.
// We can't call nsDisplayMathMLError from here,
// so ask nsMathMLContainerFrame to do the work for us.
if (NS_MATHML_HAS_ERROR(mPresentationData.flags)) {
return nsMathMLContainerFrame::BuildDisplayList(aBuilder, aDirtyRect, aLists);
}
nsresult rv = DisplayBorderBackgroundOutline(aBuilder, aLists);
NS_ENSURE_SUCCESS(rv, rv);
nsIFrame* childFrame = GetSelectedFrame();
if (childFrame) {
// Put the child's background directly onto the content list
nsDisplayListSet set(aLists, aLists.Content());
// The children should be in content order
rv = BuildDisplayListForChild(aBuilder, childFrame, aDirtyRect, set);
NS_ENSURE_SUCCESS(rv, rv);
}
#if defined(DEBUG) && defined(SHOW_BOUNDING_BOX)
// visual debug
rv = DisplayBoundingMetrics(aBuilder, this, mReference, mBoundingMetrics, aLists);
#endif
return rv;
}
nsresult
nsRootBoxFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
const nsRect& aDirtyRect,
const nsDisplayListSet& aLists)
{
// root boxes don't need a debug border/outline or a selection overlay...
// They *may* have a background propagated to them, so force creation
// of a background display list element.
nsresult rv = DisplayBorderBackgroundOutline(aBuilder, aLists, true);
NS_ENSURE_SUCCESS(rv, rv);
return BuildDisplayListForChildren(aBuilder, aDirtyRect, aLists);
}
NS_IMETHODIMP
nsSimplePageSequenceFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
const nsRect& aDirtyRect,
const nsDisplayListSet& aLists)
{
nsresult rv = DisplayBorderBackgroundOutline(aBuilder, aLists);
NS_ENSURE_SUCCESS(rv, rv);
rv = aLists.Content()->AppendNewToTop(new (aBuilder)
nsDisplayGeneric(this, ::PaintPageSequence, "PageSequence"));
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
void
nsLeafBoxFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
const nsRect& aDirtyRect,
const nsDisplayListSet& aLists)
{
// REVIEW: GetFrameForPoint used to not report events for the background
// layer, whereas this code will put an event receiver for this frame in the
// BlockBorderBackground() list. But I don't see any need to preserve
// that anomalous behaviour. The important thing I'm preserving is that
// leaf boxes continue to receive events in the foreground layer.
DisplayBorderBackgroundOutline(aBuilder, aLists);
if (!aBuilder->IsForEventDelivery() || !IsVisibleForPainting(aBuilder))
return;
aLists.Content()->AppendNewToTop(new (aBuilder)
nsDisplayEventReceiver(aBuilder, this));
}
NS_IMETHODIMP
nsColumnSetFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
const nsRect& aDirtyRect,
const nsDisplayListSet& aLists) {
nsresult rv = DisplayBorderBackgroundOutline(aBuilder, aLists);
NS_ENSURE_SUCCESS(rv, rv);
aLists.BorderBackground()->AppendNewToTop(new (aBuilder)
nsDisplayGeneric(aBuilder, this, ::PaintColumnRule, "ColumnRule",
nsDisplayItem::TYPE_COLUMN_RULE));
nsIFrame* kid = mFrames.FirstChild();
// Our children won't have backgrounds so it doesn't matter where we put them.
while (kid) {
nsresult rv = BuildDisplayListForChild(aBuilder, kid, aDirtyRect, aLists);
NS_ENSURE_SUCCESS(rv, rv);
kid = kid->GetNextSibling();
}
return NS_OK;
}
NS_IMETHODIMP
nsVideoFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
const nsRect& aDirtyRect,
const nsDisplayListSet& aLists)
{
if (!IsVisibleForPainting(aBuilder))
return NS_OK;
DO_GLOBAL_REFLOW_COUNT_DSP("nsVideoFrame");
nsresult rv = DisplayBorderBackgroundOutline(aBuilder, aLists);
NS_ENSURE_SUCCESS(rv, rv);
if (!ShouldDisplayPoster() && HasVideoData()) {
rv = aLists.Content()->AppendNewToTop(
new (aBuilder) nsDisplayGeneric(this, ::PaintVideo, "Video"));
NS_ENSURE_SUCCESS(rv, rv);
}
// Add child frames to display list. We expect up to two children, an image
// frame for the poster, and the box frame for the video controls.
for (nsIFrame *child = mFrames.FirstChild();
child;
child = child->GetNextSibling()) {
if (child->GetType() == nsGkAtoms::imageFrame && ShouldDisplayPoster()) {
rv = child->BuildDisplayListForStackingContext(aBuilder,
aDirtyRect - child->GetOffsetTo(this),
aLists.Content());
NS_ENSURE_SUCCESS(rv,rv);
} else if (child->GetType() == nsGkAtoms::boxFrame) {
rv = child->BuildDisplayListForStackingContext(aBuilder,
aDirtyRect - child->GetOffsetTo(this),
aLists.Content());
NS_ENSURE_SUCCESS(rv,rv);
}
}
return NS_OK;
}
// Only paint the selected child...
NS_IMETHODIMP
nsMathMLmactionFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
const nsRect& aDirtyRect,
const nsDisplayListSet& aLists)
{
nsresult rv = DisplayBorderBackgroundOutline(aBuilder, aLists);
NS_ENSURE_SUCCESS(rv, rv);
nsIFrame* childFrame = GetSelectedFrame();
if (childFrame) {
// Put the child's background directly onto the content list
nsDisplayListSet set(aLists, aLists.Content());
// The children should be in content order
rv = BuildDisplayListForChild(aBuilder, childFrame, aDirtyRect, set);
NS_ENSURE_SUCCESS(rv, rv);
}
#if defined(NS_DEBUG) && defined(SHOW_BOUNDING_BOX)
// visual debug
rv = DisplayBoundingMetrics(aBuilder, this, mReference, mBoundingMetrics, aLists);
#endif
return rv;
}
NS_IMETHODIMP
nsSubDocumentFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
const nsRect& aDirtyRect,
const nsDisplayListSet& aLists)
{
if (!IsVisibleForPainting(aBuilder))
return NS_OK;
if (aBuilder->IsForEventDelivery() &&
GetStyleVisibility()->mPointerEvents == NS_STYLE_POINTER_EVENTS_NONE)
return NS_OK;
nsresult rv = DisplayBorderBackgroundOutline(aBuilder, aLists);
NS_ENSURE_SUCCESS(rv, rv);
if (!mInnerView)
return NS_OK;
nsIView* subdocView = mInnerView->GetFirstChild();
if (!subdocView)
return NS_OK;
nsCOMPtr<nsIPresShell> presShell;
nsIFrame* f = static_cast<nsIFrame*>(subdocView->GetClientData());
if (f) {
presShell = f->PresContext()->PresShell();
} else {
// If we don't have a frame we use this roundabout way to get the pres shell.
if (!mFrameLoader)
return NS_OK;
nsCOMPtr<nsIDocShell> docShell;
mFrameLoader->GetDocShell(getter_AddRefs(docShell));
if (!docShell)
return NS_OK;
docShell->GetPresShell(getter_AddRefs(presShell));
if (!presShell)
return NS_OK;
}
PRBool suppressed = PR_TRUE;
presShell->IsPaintingSuppressed(&suppressed);
nsDisplayList childItems;
nsRect dirty;
if (f) {
dirty = aDirtyRect - f->GetOffsetTo(this);
aBuilder->EnterPresShell(f, dirty);
}
// Get the bounds of subdocView relative to the reference frame.
nsRect shellBounds = subdocView->GetBounds() +
mInnerView->GetPosition() +
GetOffsetTo(aBuilder->ReferenceFrame());
if (!aBuilder->IsForEventDelivery()) {
// Add the canvas background color.
nsCOMPtr<nsIPresShell_MOZILLA_1_9_2> presShell192 =
do_QueryInterface(presShell);
if (presShell192) {
rv = presShell192->AddCanvasBackgroundColorItem2(
*aBuilder, childItems, f ? f : this, &shellBounds,
NS_RGBA(0,0,0,0), PR_TRUE);
}
}
if (f && NS_SUCCEEDED(rv)) {
rv = f->BuildDisplayListForStackingContext(aBuilder, dirty, &childItems);
}
if (NS_SUCCEEDED(rv)) {
// Clip children to the child root frame's rectangle
rv = aLists.Content()->AppendNewToTop(
new (aBuilder) nsDisplayClip(this, this, &childItems, shellBounds));
}
// delete childItems in case of OOM
childItems.DeleteAll();
if (f) {
aBuilder->LeavePresShell(f, dirty);
}
return rv;
}
//------------------------------------------------------------------------------
NS_IMETHODIMP
nsPageFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
const nsRect& aDirtyRect,
const nsDisplayListSet& aLists)
{
nsDisplayListCollection set;
nsresult rv;
if (PresContext()->IsScreen()) {
rv = DisplayBorderBackgroundOutline(aBuilder, aLists);
NS_ENSURE_SUCCESS(rv, rv);
}
nsDisplayList content;
nsIFrame *child = mFrames.FirstChild();
rv = child->BuildDisplayListForStackingContext(aBuilder, aDirtyRect - child->GetOffsetTo(this), &content);
NS_ENSURE_SUCCESS(rv, rv);
// We may need to paint out-of-flow frames whose placeholders are
// on other pages. Add those pages to our display list. Note that
// out-of-flow frames can't be placed after their placeholders so
// we don't have to process earlier pages. The display lists for
// these extra pages are pruned so that only display items for the
// page we currently care about (which we would have reached by
// following placeholders to their out-of-flows) end up on the list.
nsIFrame* page = child;
nscoord y = child->GetSize().height;
while ((page = GetNextPage(page)) != nullptr) {
rv = BuildDisplayListForExtraPage(aBuilder, page, y, &content);
if (NS_FAILED(rv))
break;
y += page->GetSize().height;
}
float scale = PresContext()->GetPageScale();
nsRect clipRect(nsPoint(0, 0), child->GetSize());
// Note: this computation matches how we compute maxSize.height
// in nsPageFrame::Reflow
nscoord expectedPageContentHeight =
NSToCoordCeil((GetSize().height - mPD->mReflowMargin.TopBottom()) / scale);
if (clipRect.height > expectedPageContentHeight) {
// We're doing print-selection, with one long page-content frame.
// Clip to the appropriate page-content slice for the current page.
NS_ASSERTION(mPageNum > 0, "page num should be positive");
// Note: The pageContentFrame's y-position has been set such that a zero
// y-value matches the top edge of the current page. So, to clip to the
// current page's content (in coordinates *relative* to the page content
// frame), we just negate its y-position and add the top margin.
clipRect.y = NSToCoordCeil((-child->GetRect().y +
mPD->mReflowMargin.top) / scale);
clipRect.height = expectedPageContentHeight;
NS_ASSERTION(clipRect.y < child->GetSize().height,
"Should be clipping to region inside the page content bounds");
}
clipRect += aBuilder->ToReferenceFrame(child);
rv = content.AppendNewToTop(new (aBuilder) nsDisplayClip(aBuilder, child, &content, clipRect));
NS_ENSURE_SUCCESS(rv, rv);
rv = content.AppendNewToTop(new (aBuilder) nsDisplayTransform(aBuilder, child, &content, ::ComputePageTransform));
NS_ENSURE_SUCCESS(rv, rv);
set.Content()->AppendToTop(&content);
if (PresContext()->IsRootPaginatedDocument()) {
rv = set.Content()->AppendNewToTop(new (aBuilder)
nsDisplayGeneric(aBuilder, this, ::PaintHeaderFooter,
"HeaderFooter",
nsDisplayItem::TYPE_HEADER_FOOTER));
NS_ENSURE_SUCCESS(rv, rv);
}
set.MoveTo(aLists);
return NS_OK;
}
