Changed view creation to occur when frame initialization occurs

This commit is contained in:
troy%netscape.com 1998-12-04 05:56:06 +00:00
Родитель ca7d6e5f44
Коммит 80545a3bd4
6 изменённых файлов: 199 добавлений и 64 удалений

Просмотреть файл

@ -42,6 +42,7 @@
#include "nsTableOuterFrame.h"
#include "nsIXMLDocument.h"
#include "nsIWebShell.h"
#include "nsHTMLContainerFrame.h"
static NS_DEFINE_IID(kIHTMLStyleSheetIID, NS_IHTML_STYLE_SHEET_IID);
static NS_DEFINE_IID(kIStyleSheetIID, NS_ISTYLE_SHEET_IID);
@ -1088,7 +1089,12 @@ HTMLStyleSheetImpl::ConstructTableFrame(nsIPresContext* aPresContext,
// Create an anonymous table outer frame which holds the caption and the
// table frame
NS_NewTableOuterFrame(aNewFrame);
// Init the table outer frame and see if we need to create a view, e.g.
// the frame is absolutely positioned
aNewFrame->Init(*aPresContext, aContent, aParentFrame, aStyleContext);
nsHTMLContainerFrame::CreateViewForFrame(*aPresContext, aNewFrame,
aStyleContext, PR_FALSE);
// Create the inner table frame
NS_NewTableFrame(innerFrame);
@ -1358,7 +1364,7 @@ HTMLStyleSheetImpl::ConstructRootFrame(nsIPresContext* aPresContext,
nsIFrame* scrollFrame;
nsIFrame* pageSequenceFrame;
// XXX This isn't the correct style context pseudo element to use...
// XXX This isn't the correct pseudo element style context to use...
nsIStyleContext* pseudoStyle;
pseudoStyle = aPresContext->ResolvePseudoStyleContextFor(aContent,
nsHTMLAtoms::columnPseudo, aStyleContext);
@ -1374,9 +1380,11 @@ HTMLStyleSheetImpl::ConstructRootFrame(nsIPresContext* aPresContext,
if (NS_SUCCEEDED(rv)) {
nsIFrame* childList;
// Initialize the frame
// Initialize the frame and force it to have a view
pageSequenceFrame->Init(*aPresContext, aContent, scrollFrame, pseudoStyle);
NS_RELEASE(pseudoStyle);
nsHTMLContainerFrame::CreateViewForFrame(*aPresContext, pageSequenceFrame,
pseudoStyle, PR_TRUE);
// Process the child content, and set the page sequence frame's initial
// child list
@ -1422,13 +1430,13 @@ HTMLStyleSheetImpl::ConstructXMLRootDescendants(nsIPresContext* aPresContext,
rv = NS_NewScrollFrame(scrollFrame);
if (NS_SUCCEEDED(rv)) {
// The scroll frame gets the root pseudo style context, and the scrolled
// frame gets a SCROLLED-CONTENT pseudo element style context.
// XXX We should probably use a different pseudo style context...
// Initialize the scroll frame
scrollFrame->Init(*aPresContext, nsnull, aParentFrame, aRootPseudoStyle);
// The scroll frame gets the root pseudo style context, and the scrolled
// frame gets a SCROLLED-CONTENT pseudo element style context.
nsIStyleContext* scrolledPseudoStyle;
nsIFrame* wrapperFrame;
nsIFrame* wrapperFrame;
scrolledPseudoStyle = aPresContext->ResolvePseudoStyleContextFor
(nsnull, nsHTMLAtoms::scrolledContentPseudo,
@ -1436,7 +1444,11 @@ HTMLStyleSheetImpl::ConstructXMLRootDescendants(nsIPresContext* aPresContext,
// Create a body frame to wrap the document element
NS_NewBodyFrame(wrapperFrame, NS_BODY_THE_BODY|NS_BODY_SHRINK_WRAP);
// Initialize it and force it to have a view
wrapperFrame->Init(*aPresContext, nsnull, scrollFrame, scrolledPseudoStyle);
nsHTMLContainerFrame::CreateViewForFrame(*aPresContext, wrapperFrame,
scrolledPseudoStyle, PR_TRUE);
// Construct a frame for the document element and process its children
nsIFrame* docElementFrame;
@ -1601,6 +1613,10 @@ HTMLStyleSheetImpl::ConstructFrameByTag(nsIPresContext* aPresContext,
if (NS_SUCCEEDED(rv) && (nsnull != aNewFrame)) {
aNewFrame->Init(*aPresContext, aContent, aParentFrame, aStyleContext);
// See if we need to create a view, e.g. the frame is absolutely positioned
nsHTMLContainerFrame::CreateViewForFrame(*aPresContext, aNewFrame,
aStyleContext, PR_FALSE);
// Process the child content if requested
nsIFrame* childList = nsnull;
if (processChildren) {
@ -1716,6 +1732,10 @@ HTMLStyleSheetImpl::ConstructFrameByDisplayType(nsIPresContext* aPresConte
if (NS_SUCCEEDED(rv) && (nsnull != aNewFrame)) {
aNewFrame->Init(*aPresContext, aContent, aParentFrame, aStyleContext);
// See if we need to create a view, e.g. the frame is absolutely positioned
nsHTMLContainerFrame::CreateViewForFrame(*aPresContext, aNewFrame,
aStyleContext, PR_FALSE);
// Process the child content if requested
nsIFrame* childList = nsnull;
if (processChildren) {
@ -1923,11 +1943,15 @@ HTMLStyleSheetImpl::ConstructFrame(nsIPresContext* aPresContext,
aContent->CanContainChildren(isContainer);
if (isContainer && (tag != nsHTMLAtoms::body)) {
NS_NewBodyFrame(wrapperFrame, NS_BODY_SHRINK_WRAP);
// Initialize the frame and force it to have a view
wrapperFrame->Init(*aPresContext, aContent, scrollFrame, scrolledPseudoStyle);
nsHTMLContainerFrame::CreateViewForFrame(*aPresContext, wrapperFrame,
scrolledPseudoStyle, PR_TRUE);
// The wrapped frame also gets a pseudo style context, but it doesn't
// inherit any background properties. It does inherit the 'display'
// property (very important that it does)
// property (it's very important that it does)
nsIStyleContext* wrappedPseudoStyle;
wrappedPseudoStyle = aPresContext->ResolvePseudoStyleContextFor
(aContent, nsHTMLAtoms::wrappedFramePseudo,

Просмотреть файл

@ -402,6 +402,16 @@ nsHTMLContainerFrame::CreateViewForFrame(nsIPresContext& aPresContext,
}
}
// See if the frame is a scrolled frame
if (!aForce) {
nsIAtom* pseudoTag;
aStyleContext->GetPseudoType(pseudoTag);
if (pseudoTag == nsHTMLAtoms::scrolledContentPseudo) {
aForce = PR_TRUE;
}
NS_IF_RELEASE(pseudoTag);
}
if (aForce) {
// Create a view
nsIFrame* parent;

Просмотреть файл

@ -402,6 +402,16 @@ nsHTMLContainerFrame::CreateViewForFrame(nsIPresContext& aPresContext,
}
}
// See if the frame is a scrolled frame
if (!aForce) {
nsIAtom* pseudoTag;
aStyleContext->GetPseudoType(pseudoTag);
if (pseudoTag == nsHTMLAtoms::scrolledContentPseudo) {
aForce = PR_TRUE;
}
NS_IF_RELEASE(pseudoTag);
}
if (aForce) {
// Create a view
nsIFrame* parent;

Просмотреть файл

@ -46,6 +46,15 @@ static NS_DEFINE_IID(kScrollViewIID, NS_ISCROLLABLEVIEW_IID);
*/
class nsScrollFrame : public nsHTMLContainerFrame {
public:
NS_IMETHOD Init(nsIPresContext& aPresContext,
nsIContent* aContent,
nsIFrame* aParent,
nsIStyleContext* aContext);
NS_IMETHOD SetInitialChildList(nsIPresContext& aPresContext,
nsIAtom* aListName,
nsIFrame* aChildList);
NS_IMETHOD DidReflow(nsIPresContext& aPresContext,
nsDidReflowStatus aStatus);
@ -67,6 +76,78 @@ private:
nsresult CreateScrollingView();
};
NS_IMETHODIMP
nsScrollFrame::Init(nsIPresContext& aPresContext,
nsIContent* aContent,
nsIFrame* aParent,
nsIStyleContext* aStyleContext)
{
nsresult rv = nsHTMLContainerFrame::Init(aPresContext, aContent,
aParent, aStyleContext);
// Create the scrolling view
CreateScrollingView();
return rv;
}
NS_IMETHODIMP
nsScrollFrame::SetInitialChildList(nsIPresContext& aPresContext,
nsIAtom* aListName,
nsIFrame* aChildList)
{
nsresult rv = nsHTMLContainerFrame::SetInitialChildList(aPresContext, aListName,
aChildList);
// Get our view
nsIView* myView;
nsIViewManager* viewManager;
GetView(myView);
NS_ASSERTION(nsnull != myView, "no view");
myView->GetViewManager(viewManager);
// Get the scrolled frame's view. Note that it must already have a view
nsIView* scrolledView;
mFirstChild->GetView(scrolledView);
NS_ASSERTION(nsnull != scrolledView, "no view");
// If the scrolled view is currently inserted in the view hierarchy then
// remove it. We'll add it to the scrolling view below
nsIView* parentView;
scrolledView->GetParent(parentView);
if (nsnull != parentView) {
viewManager->RemoveChild(parentView, scrolledView);
}
// Set it as the scrolling view's scrolled view
nsIScrollableView* scrollingView;
myView->QueryInterface(kScrollViewIID, (void**)&scrollingView);
scrollingView->SetScrolledView(scrolledView);
// Get the color style info
const nsStyleColor* color;
mFirstChild->GetStyleData(eStyleStruct_Color, (const nsStyleStruct*&)color);
// If the background is transparent then inform the view manager
if (NS_STYLE_BG_COLOR_TRANSPARENT & color->mBackgroundFlags) {
viewManager->SetViewContentTransparency(scrolledView, PR_TRUE);
}
// Set the opacity
viewManager->SetViewOpacity(scrolledView, color->mOpacity);
// We need to allow the view's position to be different than the
// frame's position
nsFrameState state;
mFirstChild->GetFrameState(state);
state &= ~NS_FRAME_SYNC_FRAME_AND_VIEW;
mFirstChild->SetFrameState(state);
NS_RELEASE(viewManager);
return rv;
}
NS_IMETHODIMP
nsScrollFrame::DidReflow(nsIPresContext& aPresContext,
nsDidReflowStatus aStatus)
@ -148,11 +229,9 @@ nsScrollFrame::CreateScrollingView()
// Set the view's opacity
viewManager->SetViewOpacity(view, color->mOpacity);
// If the background is transparent then inform the view manager
PRBool isTransparent = (NS_STYLE_BG_COLOR_TRANSPARENT & color->mBackgroundFlags);
if (isTransparent) {
viewManager->SetViewContentTransparency(view, PR_TRUE);
}
// Because we only paintg the border and we don't paint a background,
// inform the view manager that we have transparent content
viewManager->SetViewContentTransparency(view, PR_TRUE);
// Get the nsIScrollableView interface
nsIScrollableView* scrollingView;
@ -176,35 +255,6 @@ nsScrollFrame::CreateScrollingView()
// Remember our view
SetView(view);
// Create a view for the scroll view frame
nsIView* scrolledView;
rv = nsRepository::CreateInstance(kViewCID, nsnull, kIViewIID, (void **)&scrolledView);
if (NS_OK == rv) {
// Bind the view to the frame
mFirstChild->SetView(scrolledView);
// Initialize the view
scrolledView->Init(viewManager, nsRect(0, 0, 0, 0), parentView);
// Set it as the scrolling view's scrolled view
scrollingView->SetScrolledView(scrolledView);
// If the background is transparent then inform the view manager
if (isTransparent) {
viewManager->SetViewContentTransparency(scrolledView, PR_TRUE);
}
// Set the opacity
viewManager->SetViewOpacity(scrolledView, color->mOpacity);
// We need to allow the view's position to be different than the
// frame's position
nsFrameState state;
mFirstChild->GetFrameState(state);
state &= ~NS_FRAME_SYNC_FRAME_AND_VIEW;
mFirstChild->SetFrameState(state);
}
}
NS_RELEASE(viewManager);
@ -225,14 +275,8 @@ nsScrollFrame::Reflow(nsIPresContext& aPresContext,
nsIFrame* targetFrame;
nsIFrame* nextFrame;
// Special handling for initial reflow and incremental reflow
switch (aReflowState.reason) {
case eReflowReason_Initial:
// Create the scrolling view and the scrolled view
CreateScrollingView();
break;
case eReflowReason_Incremental:
// Special handling for incremental reflow
if (eReflowReason_Incremental == aReflowState.reason) {
// See whether we're the target of the reflow command
aReflowState.reflowCommand->GetTarget(targetFrame);
if (this == targetFrame) {
@ -255,7 +299,6 @@ nsScrollFrame::Reflow(nsIPresContext& aPresContext,
// child frame
aReflowState.reflowCommand->GetNext(nextFrame);
NS_ASSERTION(nextFrame == mFirstChild, "unexpected reflow command next-frame");
break;
}
// Calculate the amount of space needed for borders

Просмотреть файл

@ -42,6 +42,7 @@
#include "nsTableOuterFrame.h"
#include "nsIXMLDocument.h"
#include "nsIWebShell.h"
#include "nsHTMLContainerFrame.h"
static NS_DEFINE_IID(kIHTMLStyleSheetIID, NS_IHTML_STYLE_SHEET_IID);
static NS_DEFINE_IID(kIStyleSheetIID, NS_ISTYLE_SHEET_IID);
@ -1088,7 +1089,12 @@ HTMLStyleSheetImpl::ConstructTableFrame(nsIPresContext* aPresContext,
// Create an anonymous table outer frame which holds the caption and the
// table frame
NS_NewTableOuterFrame(aNewFrame);
// Init the table outer frame and see if we need to create a view, e.g.
// the frame is absolutely positioned
aNewFrame->Init(*aPresContext, aContent, aParentFrame, aStyleContext);
nsHTMLContainerFrame::CreateViewForFrame(*aPresContext, aNewFrame,
aStyleContext, PR_FALSE);
// Create the inner table frame
NS_NewTableFrame(innerFrame);
@ -1358,7 +1364,7 @@ HTMLStyleSheetImpl::ConstructRootFrame(nsIPresContext* aPresContext,
nsIFrame* scrollFrame;
nsIFrame* pageSequenceFrame;
// XXX This isn't the correct style context pseudo element to use...
// XXX This isn't the correct pseudo element style context to use...
nsIStyleContext* pseudoStyle;
pseudoStyle = aPresContext->ResolvePseudoStyleContextFor(aContent,
nsHTMLAtoms::columnPseudo, aStyleContext);
@ -1374,9 +1380,11 @@ HTMLStyleSheetImpl::ConstructRootFrame(nsIPresContext* aPresContext,
if (NS_SUCCEEDED(rv)) {
nsIFrame* childList;
// Initialize the frame
// Initialize the frame and force it to have a view
pageSequenceFrame->Init(*aPresContext, aContent, scrollFrame, pseudoStyle);
NS_RELEASE(pseudoStyle);
nsHTMLContainerFrame::CreateViewForFrame(*aPresContext, pageSequenceFrame,
pseudoStyle, PR_TRUE);
// Process the child content, and set the page sequence frame's initial
// child list
@ -1422,13 +1430,13 @@ HTMLStyleSheetImpl::ConstructXMLRootDescendants(nsIPresContext* aPresContext,
rv = NS_NewScrollFrame(scrollFrame);
if (NS_SUCCEEDED(rv)) {
// The scroll frame gets the root pseudo style context, and the scrolled
// frame gets a SCROLLED-CONTENT pseudo element style context.
// XXX We should probably use a different pseudo style context...
// Initialize the scroll frame
scrollFrame->Init(*aPresContext, nsnull, aParentFrame, aRootPseudoStyle);
// The scroll frame gets the root pseudo style context, and the scrolled
// frame gets a SCROLLED-CONTENT pseudo element style context.
nsIStyleContext* scrolledPseudoStyle;
nsIFrame* wrapperFrame;
nsIFrame* wrapperFrame;
scrolledPseudoStyle = aPresContext->ResolvePseudoStyleContextFor
(nsnull, nsHTMLAtoms::scrolledContentPseudo,
@ -1436,7 +1444,11 @@ HTMLStyleSheetImpl::ConstructXMLRootDescendants(nsIPresContext* aPresContext,
// Create a body frame to wrap the document element
NS_NewBodyFrame(wrapperFrame, NS_BODY_THE_BODY|NS_BODY_SHRINK_WRAP);
// Initialize it and force it to have a view
wrapperFrame->Init(*aPresContext, nsnull, scrollFrame, scrolledPseudoStyle);
nsHTMLContainerFrame::CreateViewForFrame(*aPresContext, wrapperFrame,
scrolledPseudoStyle, PR_TRUE);
// Construct a frame for the document element and process its children
nsIFrame* docElementFrame;
@ -1601,6 +1613,10 @@ HTMLStyleSheetImpl::ConstructFrameByTag(nsIPresContext* aPresContext,
if (NS_SUCCEEDED(rv) && (nsnull != aNewFrame)) {
aNewFrame->Init(*aPresContext, aContent, aParentFrame, aStyleContext);
// See if we need to create a view, e.g. the frame is absolutely positioned
nsHTMLContainerFrame::CreateViewForFrame(*aPresContext, aNewFrame,
aStyleContext, PR_FALSE);
// Process the child content if requested
nsIFrame* childList = nsnull;
if (processChildren) {
@ -1716,6 +1732,10 @@ HTMLStyleSheetImpl::ConstructFrameByDisplayType(nsIPresContext* aPresConte
if (NS_SUCCEEDED(rv) && (nsnull != aNewFrame)) {
aNewFrame->Init(*aPresContext, aContent, aParentFrame, aStyleContext);
// See if we need to create a view, e.g. the frame is absolutely positioned
nsHTMLContainerFrame::CreateViewForFrame(*aPresContext, aNewFrame,
aStyleContext, PR_FALSE);
// Process the child content if requested
nsIFrame* childList = nsnull;
if (processChildren) {
@ -1923,11 +1943,15 @@ HTMLStyleSheetImpl::ConstructFrame(nsIPresContext* aPresContext,
aContent->CanContainChildren(isContainer);
if (isContainer && (tag != nsHTMLAtoms::body)) {
NS_NewBodyFrame(wrapperFrame, NS_BODY_SHRINK_WRAP);
// Initialize the frame and force it to have a view
wrapperFrame->Init(*aPresContext, aContent, scrollFrame, scrolledPseudoStyle);
nsHTMLContainerFrame::CreateViewForFrame(*aPresContext, wrapperFrame,
scrolledPseudoStyle, PR_TRUE);
// The wrapped frame also gets a pseudo style context, but it doesn't
// inherit any background properties. It does inherit the 'display'
// property (very important that it does)
// property (it's very important that it does)
nsIStyleContext* wrappedPseudoStyle;
wrappedPseudoStyle = aPresContext->ResolvePseudoStyleContextFor
(aContent, nsHTMLAtoms::wrappedFramePseudo,

Просмотреть файл

@ -42,6 +42,7 @@
#include "nsTableOuterFrame.h"
#include "nsIXMLDocument.h"
#include "nsIWebShell.h"
#include "nsHTMLContainerFrame.h"
static NS_DEFINE_IID(kIHTMLStyleSheetIID, NS_IHTML_STYLE_SHEET_IID);
static NS_DEFINE_IID(kIStyleSheetIID, NS_ISTYLE_SHEET_IID);
@ -1088,7 +1089,12 @@ HTMLStyleSheetImpl::ConstructTableFrame(nsIPresContext* aPresContext,
// Create an anonymous table outer frame which holds the caption and the
// table frame
NS_NewTableOuterFrame(aNewFrame);
// Init the table outer frame and see if we need to create a view, e.g.
// the frame is absolutely positioned
aNewFrame->Init(*aPresContext, aContent, aParentFrame, aStyleContext);
nsHTMLContainerFrame::CreateViewForFrame(*aPresContext, aNewFrame,
aStyleContext, PR_FALSE);
// Create the inner table frame
NS_NewTableFrame(innerFrame);
@ -1358,7 +1364,7 @@ HTMLStyleSheetImpl::ConstructRootFrame(nsIPresContext* aPresContext,
nsIFrame* scrollFrame;
nsIFrame* pageSequenceFrame;
// XXX This isn't the correct style context pseudo element to use...
// XXX This isn't the correct pseudo element style context to use...
nsIStyleContext* pseudoStyle;
pseudoStyle = aPresContext->ResolvePseudoStyleContextFor(aContent,
nsHTMLAtoms::columnPseudo, aStyleContext);
@ -1374,9 +1380,11 @@ HTMLStyleSheetImpl::ConstructRootFrame(nsIPresContext* aPresContext,
if (NS_SUCCEEDED(rv)) {
nsIFrame* childList;
// Initialize the frame
// Initialize the frame and force it to have a view
pageSequenceFrame->Init(*aPresContext, aContent, scrollFrame, pseudoStyle);
NS_RELEASE(pseudoStyle);
nsHTMLContainerFrame::CreateViewForFrame(*aPresContext, pageSequenceFrame,
pseudoStyle, PR_TRUE);
// Process the child content, and set the page sequence frame's initial
// child list
@ -1422,13 +1430,13 @@ HTMLStyleSheetImpl::ConstructXMLRootDescendants(nsIPresContext* aPresContext,
rv = NS_NewScrollFrame(scrollFrame);
if (NS_SUCCEEDED(rv)) {
// The scroll frame gets the root pseudo style context, and the scrolled
// frame gets a SCROLLED-CONTENT pseudo element style context.
// XXX We should probably use a different pseudo style context...
// Initialize the scroll frame
scrollFrame->Init(*aPresContext, nsnull, aParentFrame, aRootPseudoStyle);
// The scroll frame gets the root pseudo style context, and the scrolled
// frame gets a SCROLLED-CONTENT pseudo element style context.
nsIStyleContext* scrolledPseudoStyle;
nsIFrame* wrapperFrame;
nsIFrame* wrapperFrame;
scrolledPseudoStyle = aPresContext->ResolvePseudoStyleContextFor
(nsnull, nsHTMLAtoms::scrolledContentPseudo,
@ -1436,7 +1444,11 @@ HTMLStyleSheetImpl::ConstructXMLRootDescendants(nsIPresContext* aPresContext,
// Create a body frame to wrap the document element
NS_NewBodyFrame(wrapperFrame, NS_BODY_THE_BODY|NS_BODY_SHRINK_WRAP);
// Initialize it and force it to have a view
wrapperFrame->Init(*aPresContext, nsnull, scrollFrame, scrolledPseudoStyle);
nsHTMLContainerFrame::CreateViewForFrame(*aPresContext, wrapperFrame,
scrolledPseudoStyle, PR_TRUE);
// Construct a frame for the document element and process its children
nsIFrame* docElementFrame;
@ -1601,6 +1613,10 @@ HTMLStyleSheetImpl::ConstructFrameByTag(nsIPresContext* aPresContext,
if (NS_SUCCEEDED(rv) && (nsnull != aNewFrame)) {
aNewFrame->Init(*aPresContext, aContent, aParentFrame, aStyleContext);
// See if we need to create a view, e.g. the frame is absolutely positioned
nsHTMLContainerFrame::CreateViewForFrame(*aPresContext, aNewFrame,
aStyleContext, PR_FALSE);
// Process the child content if requested
nsIFrame* childList = nsnull;
if (processChildren) {
@ -1716,6 +1732,10 @@ HTMLStyleSheetImpl::ConstructFrameByDisplayType(nsIPresContext* aPresConte
if (NS_SUCCEEDED(rv) && (nsnull != aNewFrame)) {
aNewFrame->Init(*aPresContext, aContent, aParentFrame, aStyleContext);
// See if we need to create a view, e.g. the frame is absolutely positioned
nsHTMLContainerFrame::CreateViewForFrame(*aPresContext, aNewFrame,
aStyleContext, PR_FALSE);
// Process the child content if requested
nsIFrame* childList = nsnull;
if (processChildren) {
@ -1923,11 +1943,15 @@ HTMLStyleSheetImpl::ConstructFrame(nsIPresContext* aPresContext,
aContent->CanContainChildren(isContainer);
if (isContainer && (tag != nsHTMLAtoms::body)) {
NS_NewBodyFrame(wrapperFrame, NS_BODY_SHRINK_WRAP);
// Initialize the frame and force it to have a view
wrapperFrame->Init(*aPresContext, aContent, scrollFrame, scrolledPseudoStyle);
nsHTMLContainerFrame::CreateViewForFrame(*aPresContext, wrapperFrame,
scrolledPseudoStyle, PR_TRUE);
// The wrapped frame also gets a pseudo style context, but it doesn't
// inherit any background properties. It does inherit the 'display'
// property (very important that it does)
// property (it's very important that it does)
nsIStyleContext* wrappedPseudoStyle;
wrappedPseudoStyle = aPresContext->ResolvePseudoStyleContextFor
(aContent, nsHTMLAtoms::wrappedFramePseudo,