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r=troy; reworked the way that blocks inside of inline elements are handled. It's all in the frame construction code now (bugs 15999, 16737)

This commit is contained in:
kipp%netscape.com 1999-11-01 15:24:57 +00:00
Родитель 1fe14ebeaa
Коммит 0a512d8393
16 изменённых файлов: 3258 добавлений и 8554 удалений
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995
layout/base/nsCSSFrameConstructor.cpp
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43
layout/base/nsCSSFrameConstructor.h
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@ -148,7 +148,6 @@ protected:
nsFrameConstructorState& aState,
nsIContent* aContent,
nsIFrame* aParentFrame,
PRBool aHaveFirstLetterStyle,
nsFrameItems& aFrameItems);
nsresult ConstructDocElementFrame(nsIPresContext* aPresContext,
@ -506,7 +505,6 @@ protected:
nsIContent* aContent,
nsIFrame* aParentFrame,
nsIStyleContext* aStyleContext,
PRBool aHaveFirstLetterStyle,
nsFrameItems& aFrameItems);
nsresult GetAdjustedParentFrame(nsIFrame* aCurrentParentFrame,
@ -662,13 +660,49 @@ InitializeSelectFrame(nsIPresContext* aPresContext,
nsIStyleContext* aStyleContext,
nsIFrame* aNewFrame);
nsresult ProcessBlockChildren(nsIPresContext* aPresContext,
nsFrameConstructorState& aState,
nsIContent* aContent,
nsIFrame* aFrame,
PRBool aCanHaveGeneratedContent,
nsFrameItems& aFrameItems,
PRBool aParentIsBlock);
nsresult ConstructInline(nsIPresContext* aPresContext,
nsFrameConstructorState& aState,
const nsStyleDisplay* aDisplay,
nsIContent* aContent,
nsIFrame* aParentFrame,
nsIStyleContext* aStyleContext,
nsIFrame* aNewFrame);
nsIFrame* aNewFrame,
nsIFrame** aNewBlockFrame,
nsIFrame** aNextInlineFrame);
nsresult ProcessInlineChildren(nsIPresContext* aPresContext,
nsFrameConstructorState& aState,
nsIContent* aContent,
nsIFrame* aFrame,
PRBool aCanHaveGeneratedContent,
nsFrameItems& aFrameItems,
PRBool* aKidsAllInline);
PRBool AreAllKidsInline(nsIFrame* aFrameList);
PRBool IsFrameSpecial(nsIFrameManager* aFrameManager, nsIFrame* aFrame);
PRBool IsFrameSpecial(nsIPresContext* aPresContext, nsIFrame* aFrame);
void SetFrameIsSpecial(nsIFrameManager* aFrameManager, nsIFrame* aFrame);
PRBool WipeContainingBlock(nsIPresContext* aPresContext,
nsFrameConstructorState& aState,
nsIContent* blockContent,
nsIFrame* aFrame,
nsIFrame* aFrameList);
nsresult ReframeContainingBlock(nsIPresContext* aPresContext, nsIFrame* aFrame);
nsresult RecreateEntireFrameTree(nsIPresContext* aPresContext);
//----------------------------------------
@ -757,9 +791,6 @@ InitializeSelectFrame(nsIPresContext* aPresContext,
nsIFrame* aPrevSibling,
nsFrameItems& aFrameItems);
nsresult MaybeCreateContainerFrame(nsIPresContext* aPresContext,
nsIContent* aContainer);
protected:
nsIDocument* mDocument;

620
layout/generic/nsBlockFrame.cpp
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@ -3746,21 +3746,12 @@ nsBlockFrame::ReflowInlineFrame(nsBlockReflowState& aState,
// line and don't stop the line reflow...
PRBool splitLine = !reflowingFirstLetter;
if (reflowingFirstLetter) {
#ifdef BLOCK_DOES_FIRST_LINE
if (aLine->IsFirstLine()) {
nsCOMPtr<nsIAtom> frameType;
aFrame->GetFrameType(getter_AddRefs(frameType));
if ((nsLayoutAtoms::inlineFrame == frameType.get()) ||
(nsLayoutAtoms::lineFrame == frameType.get())) {
splitLine = PR_TRUE;
}
else
#endif
{
nsIAtom* frameType;
if (NS_SUCCEEDED(aFrame->GetFrameType(&frameType)) && frameType) {
if (frameType == nsLayoutAtoms::inlineFrame) {
splitLine = PR_TRUE;
}
NS_RELEASE(frameType);
}
}
}
if (splitLine) {
@ -4281,100 +4272,6 @@ nsBlockFrame::LastChild()
return nsnull;
}
#ifdef BLOCK_DOES_FIRST_LINE
nsresult
nsBlockFrame::WrapFramesInFirstLineFrame(nsIPresContext* aPresContext)
{
nsLineBox* line = mLines;
if (!line) {
return NS_OK;
}
// Find the first and last inline line that has frames that aren't
// yet in the first-line-frame.
nsLineBox* prevLine = nsnull;
nsIFrame* firstInlineFrame = nsnull;
nsFirstLineFrame* lineFrame = nsnull;
nsIFrame* nextSib = nsnull;
nsresult rv = NS_OK;
while (line) {
if (line->IsBlock()) {
nextSib = line->mFirstChild;
break;
}
if (line->IsFirstLine()) {
NS_ASSERTION(1 == line->mChildCount, "bad first line");
lineFrame = (nsFirstLineFrame*) line->mFirstChild;
prevLine = line;
line = line->mNext;
}
else {
if (!firstInlineFrame) {
firstInlineFrame = line->mFirstChild;
}
if (prevLine) {
prevLine->mNext = line->mNext;
delete line;
line = prevLine->mNext;
}
else {
prevLine = line;
line = line->mNext;
}
}
}
if (!firstInlineFrame) {
// All of the inline frames are already where they should be
return NS_OK;
}
// Make the last inline frame thats going into the first-line-frame
// have no next sibling.
if (line) {
nsFrameList frames(firstInlineFrame);
nsIFrame* lastInlineFrame = frames.GetPrevSiblingFor(line->mFirstChild);
lastInlineFrame->SetNextSibling(nsnull);
}
// If there is no first-line-frame currently, we create it
if (!lineFrame) {
nsIStyleContext* firstLineStyle = GetFirstLineStyle(aPresContext);
// Create line frame
rv = NS_NewFirstLineFrame((nsIFrame**) &lineFrame);
if (NS_FAILED(rv)) {
return rv;
}
rv = lineFrame->Init(*aPresContext, mContent, this,
firstLineStyle, nsnull);
if (NS_FAILED(rv)) {
return rv;
}
line = mLines;
line->mFirstChild = lineFrame;
line->mChildCount = 1;
line->SetIsFirstLine(PR_TRUE);
NS_RELEASE(firstLineStyle);
}
// Connect last first-line-frame to the remaining frames
lineFrame->SetNextSibling(nextSib);
// Put the new children into the line-frame
lineFrame->AppendFrames2(aPresContext, firstInlineFrame);
// Mark the first-line frames dirty
line = mLines;
while (line && line->IsFirstLine()) {
line->MarkDirty();
line = line->mNext;
}
return rv;
}
#endif
NS_IMETHODIMP
nsBlockFrame::AppendFrames(nsIPresContext& aPresContext,
nsIPresShell& aPresShell,
@ -4399,14 +4296,6 @@ nsBlockFrame::AppendFrames(nsIPresContext& aPresContext,
nsLineBox* lastLine = nsLineBox::LastLine(mLines);
if (lastLine) {
lastKid = lastLine->LastChild();
#ifdef BLOCK_DOES_FIRST_LINE
if (lastLine->IsFirstLine()) {
// Get last frame in the nsFirstLineFrame
lastKid->FirstChild(nsnull, &lastKid);
nsFrameList frames(lastKid);
lastKid = frames.LastChild();
}
#endif
}
// Add frames after the last child
@ -4496,50 +4385,16 @@ nsBlockFrame::AddFrames(nsIPresContext* aPresContext,
nsLineBox* prevSibLine = nsnull;
PRInt32 prevSiblingIndex = -1;
if (aPrevSibling) {
#ifdef BLOCK_DOES_FIRST_LINE
// Its possible we have an nsFirstLineFrame managing some of our
// child frames. If we do and the AddFrames is targetted at it,
// use AddFirstLineFrames to get the frames properly placed.
nsIFrame* prevSiblingParent;
aPrevSibling->GetParent(&prevSiblingParent);
if (prevSiblingParent != this) {
// We are attempting an insert into a nsFirstLineFrame. Mark the
// first-line's dirty. Not exactly optimial, but it will
// guarantee a correct reflow.
nsLineBox* line = mLines;
while (line) {
if (!line->IsFirstLine()) {
break;
}
line->MarkDirty();
line = line->mNext;
}
return AddFirstLineFrames(aPresContext,
(nsFirstLineFrame*)prevSiblingParent,
aFrameList, aPrevSibling);
}
else
#endif
{
// Find the line that contains the previous sibling
prevSibLine = nsLineBox::FindLineContaining(mLines, aPrevSibling,
&prevSiblingIndex);
NS_ASSERTION(nsnull != prevSibLine, "prev sibling not in line list");
if (nsnull == prevSibLine) {
// Note: defensive code! FindLineContaining must not return
// null in this case, so if it does...
aPrevSibling = nsnull;
}
// Find the line that contains the previous sibling
prevSibLine = nsLineBox::FindLineContaining(mLines, aPrevSibling,
&prevSiblingIndex);
NS_ASSERTION(nsnull != prevSibLine, "prev sibling not in line list");
if (nsnull == prevSibLine) {
// Note: defensive code! FindLineContaining must not return
// null in this case, so if it does...
aPrevSibling = nsnull;
}
}
#ifdef BLOCK_DOES_FIRST_LINE
else if (mLines && mLines->IsFirstLine()) {
mLines->MarkDirty();
return AddFirstLineFrames(aPresContext,
(nsFirstLineFrame*)mLines->mFirstChild,
aFrameList, nsnull);
}
#endif
// Find the frame following aPrevSibling so that we can join up the
// two lists of frames.
@ -4609,151 +4464,12 @@ nsBlockFrame::AddFrames(nsIPresContext* aPresContext,
aPrevSibling->SetNextSibling(prevSiblingNextFrame);
}
#ifdef BLOCK_DOES_FIRST_LINE
// Fixup any frames that should be in a first-line frame but aren't
if ((NS_BLOCK_HAS_FIRST_LINE_STYLE & mState) &&
(nsnull != mLines) && !mLines->IsBlock()) {
// We just added one or more frame(s) to the first line.
WrapFramesInFirstLineFrame(aPresContext);
}
#endif
#ifdef DEBUG
VerifyLines(PR_TRUE);
#endif
return NS_OK;
}
#ifdef BLOCK_DOES_FIRST_LINE
nsresult
nsBlockFrame::AddFirstLineFrames(nsIPresContext* aPresContext,
nsFirstLineFrame* aLineFrame,
nsIFrame* aFrameList,
nsIFrame* aPrevSibling)
{
// The first run of inline frames being added always go into the
// line frame. If we hit a block frame then we need to chop the line
// frame into two pieces.
nsIFrame* frame = aFrameList;
nsIFrame* lastAddedFrame = frame;
nsIFrame* firstInlineFrame = nsnull;
PRInt32 pendingInlines = 0;
while (frame) {
if (nsLineLayout::TreatFrameAsBlock(frame)) {
// There are 3 cases. The block is going to the front of the
// line-frames children, in the middle or at the end.
if (aPrevSibling) {
nsIFrame* next;
aPrevSibling->GetNextSibling(&next);
// Take kids from the line frame starting at next.
nsIFrame* kids;
if (nsnull == next) {
// The block goes in front of aLineFrame's continuation, if
// it has one.
nsFirstLineFrame* nextLineFrame;
aLineFrame->GetNextInFlow((nsIFrame**) &nextLineFrame);
if (!nextLineFrame) {
// No continuation, therefore the block goes after aLineFrame
FixParentAndView(aPresContext, frame);
return AddFrames(aPresContext, frame, aLineFrame);
}
// Use nextLineFrame and take away all its kids
aLineFrame = nextLineFrame;
}
kids = TakeKidsFromLineFrame(aLineFrame, next);
// We will leave the line-frame and its continuations in
// place but mark the lines dirty so that they are reflowed
// and the empty line-frames (if any) are cleaned up.
nsLineBox* line = mLines;
nsIFrame* lastLineFrame = aLineFrame;
while (line && line->IsFirstLine()) {
line->MarkDirty();
lastLineFrame = line->mFirstChild;
line = line->mNext;
}
// Join the taken kids onto the *end* of the frames being
// added.
nsFrameList newFrames(frame);
newFrames.AppendFrames(this, kids);
FixParentAndView(aPresContext, frame);
return AddFrames(aPresContext, frame, lastLineFrame);
}
else {
// Block is trying to go to the front of the line frame (and
// therefore in front of all the line-frames children and its
// continuations children). Therefore, we don't need a line
// frame anymore.
nsIFrame* kids = TakeKidsFromLineFrame(aLineFrame, nsnull);
// Join the kids onto the end of the frames being added
nsFrameList newFrames(frame);
newFrames.AppendFrames(this, kids);
FixParentAndView(aPresContext, newFrames.FirstChild());
// Remove the line frame (and its continuations). This also
// removes the nsLineBox's that pointed to the line-frame. Do
// this after FixParentAndView because FixParentAndView needs
// a valid old-parent to work.
DoRemoveFrame(aPresContext, aLineFrame);
// Re-enter AddFrames, this time there won't be any first-line
// frames so we will use the normal path.
return AddFrames(aPresContext, newFrames.FirstChild(), nsnull);
}
}
else {
if (0 == pendingInlines) {
firstInlineFrame = frame;
}
pendingInlines++;
}
lastAddedFrame = frame;
frame->GetNextSibling(&frame);
}
// All of the frames being added are inline frames
if (pendingInlines) {
return aLineFrame->InsertFrames2(aPresContext, aPrevSibling, aFrameList);
}
return NS_OK;
}
nsIFrame*
nsBlockFrame::TakeKidsFromLineFrame(nsFirstLineFrame* aLineFrame,
nsIFrame* aFromKid)
{
nsFrameList kids;
nsIFrame* lastKid;
if (aFromKid) {
kids.SetFrames(aFromKid);
aLineFrame->RemoveFramesFrom(aFromKid);
}
else {
aLineFrame->FirstChild(nsnull, &lastKid);
kids.SetFrames(lastKid);
aLineFrame->RemoveAllFrames();
}
lastKid = kids.LastChild();
// Capture the next-in-flows kids as well.
for (;;) {
aLineFrame->GetNextInFlow((nsIFrame**) &aLineFrame);
if (!aLineFrame) {
break;
}
aLineFrame->FirstChild(nsnull, &aFromKid);
aLineFrame->RemoveAllFrames();
lastKid->SetNextSibling(aFromKid);
nsFrameList tmp(aFromKid);
lastKid = tmp.LastChild();
}
return kids.FirstChild();
}
#endif
void
nsBlockFrame::FixParentAndView(nsIPresContext* aPresContext, nsIFrame* aFrame)
@ -4834,15 +4550,6 @@ nsresult
nsBlockFrame::DoRemoveFrame(nsIPresContext* aPresContext,
nsIFrame* aDeletedFrame)
{
#ifdef BLOCK_DOES_FIRST_LINE
nsIFrame* parent;
aDeletedFrame->GetParent(&parent);
if (parent != this) {
return RemoveFirstLineFrame(aPresContext, (nsFirstLineFrame*)parent,
aDeletedFrame);
}
#endif
// Find the line and the previous sibling that contains
// deletedFrame; we also find the pointer to the line.
nsBlockFrame* flow = this;
@ -4878,9 +4585,7 @@ nsBlockFrame::DoRemoveFrame(nsIPresContext* aPresContext,
while (nsnull != aDeletedFrame) {
while ((nsnull != line) && (nsnull != aDeletedFrame)) {
#ifdef NS_DEBUG
#ifndef BLOCK_DOES_FIRST_LINE
nsIFrame* parent;
#endif
aDeletedFrame->GetParent(&parent);
NS_ASSERTION(flow == parent, "messed up delete code");
NS_ASSERTION(line->Contains(aDeletedFrame), "frame not in line");
@ -4990,60 +4695,12 @@ nsBlockFrame::DoRemoveFrame(nsIPresContext* aPresContext,
}
}
#ifdef BLOCK_DOES_FIRST_LINE
// Fixup any frames that should be in a first-line frame but aren't
if ((NS_BLOCK_HAS_FIRST_LINE_STYLE & mState) &&
(nsnull != mLines) && !mLines->IsBlock()) {
// We just added one or more frame(s) to the first line, or we
// removed a block that preceeded the first line.
WrapFramesInFirstLineFrame(aPresContext);
}
#endif
#ifdef DEBUG
VerifyLines(PR_TRUE);
#endif
return NS_OK;
}
#ifdef BLOCK_DOES_FIRST_LINE
nsresult
nsBlockFrame::RemoveFirstLineFrame(nsIPresContext* aPresContext,
nsFirstLineFrame* aLineFrame,
nsIFrame* aDeletedFrame)
{
// Strip deleted frame out of the nsFirstLineFrame
aLineFrame->RemoveFrame2(aPresContext, aDeletedFrame);
aDeletedFrame->Destroy(*aPresContext);
// See if the line-frame and its continuations are now empty
nsFirstLineFrame* lf = (nsFirstLineFrame*) aLineFrame->GetFirstInFlow();
nsFirstLineFrame* lf0 = lf;
PRBool empty = PR_TRUE;
while (lf) {
nsIFrame* kids;
lf->FirstChild(nsnull, &kids);
if (kids) {
empty = PR_FALSE;
break;
}
lf->GetNextInFlow((nsIFrame**) &lf);
}
if (empty) {
return DoRemoveFrame(aPresContext, lf0);
}
// Mark first-line lines dirty
nsLineBox* line = mLines;
while (line && line->IsFirstLine()) {
line->MarkDirty();
line = line->mNext;
}
return NS_OK;
}
#endif
void
nsBlockFrame::DeleteChildsNextInFlow(nsIPresContext& aPresContext,
nsIFrame* aChild)
@ -6108,18 +5765,6 @@ nsBlockFrame::GetFirstLetterStyle(nsIPresContext* aPresContext)
return fls;
}
#ifdef BLOCK_DOES_FIRST_LINE
nsIStyleContext*
nsBlockFrame::GetFirstLineStyle(nsIPresContext* aPresContext)
{
nsIStyleContext* fls;
aPresContext->ProbePseudoStyleContextFor(mContent,
nsHTMLAtoms::firstLinePseudo,
mStyleContext, PR_FALSE, &fls);
return fls;
}
#endif
NS_IMETHODIMP
nsBlockFrame::SetInitialChildList(nsIPresContext& aPresContext,
nsIAtom* aListName,
@ -6143,18 +5788,6 @@ nsBlockFrame::SetInitialChildList(nsIPresContext& aPresContext,
#endif
NS_RELEASE(firstLetterStyle);
}
#ifdef BLOCK_DOES_FIRST_LINE
nsIStyleContext* firstLineStyle = GetFirstLineStyle(&aPresContext);
if (nsnull != firstLineStyle) {
mState |= NS_BLOCK_HAS_FIRST_LINE_STYLE;
#ifdef NOISY_FIRST_LINE
ListTag(stdout);
printf(": first-line style found\n");
#endif
NS_RELEASE(firstLineStyle);
}
#endif
}
rv = AddFrames(&aPresContext, aChildList, nsnull);
@ -6448,15 +6081,7 @@ nsBlockFrame::ComputeTextRuns(nsIPresContext* aPresContext)
nsIFrame* frame = line->mFirstChild;
PRInt32 n = line->GetChildCount();
while (--n >= 0) {
nsresult rv = frame->FindTextRuns(textRunThingy);
if (NS_OK != rv) {
return rv;
}
else {
// A frame that doesn't implement nsIHTMLReflow isn't text
// therefore it will end an open text run.
textRunThingy.EndTextRun();
}
frame->FindTextRuns(textRunThingy);
frame->GetNextSibling(&frame);
}
}
@ -6474,210 +6099,6 @@ nsBlockFrame::ComputeTextRuns(nsIPresContext* aPresContext)
return NS_OK;
}
//----------------------------------------------------------------------
nsresult
NS_NewAnonymousBlockFrame(nsIFrame** aNewFrame)
{
NS_PRECONDITION(aNewFrame, "null OUT ptr");
if (nsnull == aNewFrame) {
return NS_ERROR_NULL_POINTER;
}
nsAnonymousBlockFrame* it = new nsAnonymousBlockFrame;
if (nsnull == it) {
return NS_ERROR_OUT_OF_MEMORY;
}
*aNewFrame = it;
return NS_OK;
}
nsAnonymousBlockFrame::nsAnonymousBlockFrame()
{
}
nsAnonymousBlockFrame::~nsAnonymousBlockFrame()
{
}
NS_IMETHODIMP
nsAnonymousBlockFrame::AppendFrames(nsIPresContext& aPresContext,
nsIPresShell& aPresShell,
nsIAtom* aListName,
nsIFrame* aFrameList)
{
return mParent->AppendFrames(aPresContext, aPresShell, aListName,
aFrameList);
}
NS_IMETHODIMP
nsAnonymousBlockFrame::InsertFrames(nsIPresContext& aPresContext,
nsIPresShell& aPresShell,
nsIAtom* aListName,
nsIFrame* aPrevFrame,
nsIFrame* aFrameList)
{
return mParent->InsertFrames(aPresContext, aPresShell, aListName,
aPrevFrame, aFrameList);
}
NS_IMETHODIMP
nsAnonymousBlockFrame::RemoveFrame(nsIPresContext& aPresContext,
nsIPresShell& aPresShell,
nsIAtom* aListName,
nsIFrame* aOldFrame)
{
return mParent->RemoveFrame(aPresContext, aPresShell, aListName,
aOldFrame);
}
nsresult
nsAnonymousBlockFrame::AppendFrames2(nsIPresContext* aPresContext,
nsIPresShell* aPresShell,
nsIAtom* aListName,
nsIFrame* aFrameList)
{
return nsAnonymousBlockFrameSuper::AppendFrames(*aPresContext, *aPresShell,
aListName, aFrameList);
}
nsresult
nsAnonymousBlockFrame::InsertFrames2(nsIPresContext* aPresContext,
nsIPresShell* aPresShell,
nsIAtom* aListName,
nsIFrame* aPrevFrame,
nsIFrame* aFrameList)
{
return nsAnonymousBlockFrameSuper::InsertFrames(*aPresContext, *aPresShell,
aListName, aPrevFrame,
aFrameList);
}
nsresult
nsAnonymousBlockFrame::RemoveFrame2(nsIPresContext* aPresContext,
nsIPresShell* aPresShell,
nsIAtom* aListName,
nsIFrame* aOldFrame)
{
return nsAnonymousBlockFrameSuper::RemoveFrame(*aPresContext, *aPresShell,
aListName, aOldFrame);
}
void
nsAnonymousBlockFrame::RemoveFirstFrame()
{
nsLineBox* line = mLines;
if (nsnull != line) {
nsIFrame* firstChild = line->mFirstChild;
#if XXX
// If the line has floaters on it, see if the frame being removed
// is a placeholder frame. If it is, then remove it from the lines
// floater array and from the block frames floater child list.
if (line->mFloaters.NotEmpty()) {
// XXX UNTESTED!
nsPlaceholderFrame* placeholderFrame;
nsVoidArray& floaters = *line->mFloaters;
PRInt32 i, n = floaters.Count();
for (i = 0; i < n; i++) {
placeholderFrame = (nsPlaceholderFrame*) floaters[i];
if (firstChild == placeholderFrame) {
// Remove placeholder from the line's floater array
floaters.RemoveElementAt(i);
if (0 == floaters.Count()) {
delete line->mFloaters;
line->mFloaters = nsnull;
}
// Remove the floater from the block frames mFloaters list too
mFloaters.RemoveFrame(placeholderFrame->GetOutOfFlowFrame());
break;
}
}
}
#endif
PRInt32 lineChildCount = line->GetChildCount();
if (1 == lineChildCount) {
// Remove line when last frame goes away
mLines = line->mNext;
delete line;
}
else {
// Remove frame from line and mark the line dirty
line->SetChildCount(lineChildCount - 1);
line->MarkDirty();
firstChild->GetNextSibling(&line->mFirstChild);
}
// Break linkage to next child after stolen frame
firstChild->SetNextSibling(nsnull);
}
#ifdef DEBUG
VerifyLines(PR_TRUE);
#endif
}
void
nsAnonymousBlockFrame::RemoveFramesFrom(nsIFrame* aFrame)
{
nsLineBox* line = mLines;
if (nsnull != line) {
// Chop the child sibling list into two pieces
nsFrameList tmp(line->mFirstChild);
nsIFrame* prevSibling = tmp.GetPrevSiblingFor(aFrame);
if (nsnull != prevSibling) {
// Chop the sibling list into two pieces
prevSibling->SetNextSibling(nsnull);
nsLineBox* prevLine = nsnull;
while (nsnull != line) {
nsIFrame* frame = line->mFirstChild;
PRInt32 i, n = line->GetChildCount();
PRBool done = PR_FALSE;
for (i = 0; i < n; i++) {
if (frame == aFrame) {
// We just found the target frame (and the line its in and
// the previous line)
if (frame == line->mFirstChild) {
// No more children on this line, so let it get removed
prevLine->mNext = nsnull;
}
else {
// The only frames that remain on this line are the
// frames preceeding aFrame. Adjust the count to
// indicate that fact.
line->SetChildCount(i);
// Remove the lines that follow this line
prevLine = line;
line = line->mNext;
prevLine->mNext = nsnull;
}
done = PR_TRUE;
break;
}
frame->GetNextSibling(&frame);
}
if (done) {
break;
}
prevLine = line;
line = line->mNext;
}
}
// Remove all of the remaining lines
while (nsnull != line) {
nsLineBox* next = line->mNext;
delete line;
line = next;
}
}
#ifdef DEBUG
VerifyLines(PR_TRUE);
#endif
}
#ifdef DEBUG
void
nsBlockFrame::VerifyLines(PRBool aFinalCheckOK)
@ -6700,24 +6121,9 @@ nsBlockFrame::VerifyLines(PRBool aFinalCheckOK)
if (line->IsBlock()) {
seenBlock = PR_TRUE;
}
#ifdef BLOCK_DOES_FIRST_LINE
if (line->IsFirstLine()) {
NS_ASSERTION(1 == line->GetChildCount(), "bad first line");
}
#endif
if (line->IsBlock()) {
NS_ASSERTION(1 == line->GetChildCount(), "bad first line");
}
#ifdef BLOCK_DOES_FIRST_LINE
if (NS_BLOCK_HAS_FIRST_LINE_STYLE & mState) {
if (seenBlock) {
NS_ASSERTION(!line->IsFirstLine(), "bad first line");
}
else {
NS_ASSERTION(line->IsFirstLine(), "bad first line");
}
}
#endif
}
count += line->GetChildCount();
line = line->mNext;

90
layout/generic/nsBlockFrame.h
Просмотреть файл

@ -40,9 +40,6 @@ class nsFirstLineFrame;
*/
#define NS_BLOCK_FRAME_HAS_OUTSIDE_BULLET 0x80000000
#define NS_BLOCK_IS_HTML_PARAGRAPH 0x40000000
#ifdef BLOCK_DOES_FIRST_LINE
#define NS_BLOCK_HAS_FIRST_LINE_STYLE 0x20000000
#endif
#define NS_BLOCK_HAS_FIRST_LETTER_STYLE 0x10000000
#define nsBlockFrameSuper nsHTMLContainerFrame
@ -146,10 +143,6 @@ protected:
nsIStyleContext* GetFirstLetterStyle(nsIPresContext* aPresContext);
#ifdef BLOCK_DOES_FIRST_LINE
nsIStyleContext* GetFirstLineStyle(nsIPresContext* aPresContext);
#endif
void SetFlags(PRUint32 aFlags) {
mFlags = aFlags;
}
@ -173,22 +166,6 @@ protected:
nsIFrame* aFrameList,
nsIFrame* aPrevSibling);
#ifdef BLOCK_DOES_FIRST_LINE
nsresult AddFirstLineFrames(nsIPresContext* aPresContext,
nsFirstLineFrame* aLineFrame,
nsIFrame* aFrameList,
nsIFrame* aPrevSibling);
nsIFrame* TakeKidsFromLineFrame(nsFirstLineFrame* aLineFrame,
nsIFrame* aFromKid);
nsresult RemoveFirstLineFrame(nsIPresContext* aPresContext,
nsFirstLineFrame* aLineFrame,
nsIFrame* aDeletedFrame);
nsresult WrapFramesInFirstLineFrame(nsIPresContext* aPresContext);
#endif
void FixParentAndView(nsIPresContext* aPresContext, nsIFrame* aFrame);
nsresult DoRemoveFrame(nsIPresContext* aPresContext,
@ -381,72 +358,5 @@ protected:
friend class nsBlockReflowState;
};
//----------------------------------------------------------------------
#define nsAnonymousBlockFrameSuper nsBlockFrame
// Anonymous block frame. An anonymous block is used by some other
// container (the parent frame) to provide block reflow for a set of
// child frames. The parent is responsible for the maintainance of the
// anonymous blocks child list. To accomplish this, the normal methods
// for managing the child list (AppendFrames, InsertFrames, and
// RemoveFrame) forward the operation to the parent frame (the
// container of the anonymous block).
class nsAnonymousBlockFrame : public nsAnonymousBlockFrameSuper {
public:
friend nsresult NS_NewAnonymousBlockFrame(nsIFrame** aNewFrame);
// nsIFrame overrides
// AppendFrames/InsertFrames/RemoveFrame are implemented to forward
// the method call to the parent frame.
NS_IMETHOD AppendFrames(nsIPresContext& aPresContext,
nsIPresShell& aPresShell,
nsIAtom* aListName,
nsIFrame* aFrameList);
NS_IMETHOD InsertFrames(nsIPresContext& aPresContext,
nsIPresShell& aPresShell,
nsIAtom* aListName,
nsIFrame* aPrevFrame,
nsIFrame* aFrameList);
NS_IMETHOD RemoveFrame(nsIPresContext& aPresContext,
nsIPresShell& aPresShell,
nsIAtom* aListName,
nsIFrame* aOldFrame);
// These methods are used by the parent frame to actually modify the
// child frames of the anonymous block frame.
nsresult AppendFrames2(nsIPresContext* aPresContext,
nsIPresShell* aPresShell,
nsIAtom* aListName,
nsIFrame* aFrameList);
nsresult InsertFrames2(nsIPresContext* aPresContext,
nsIPresShell* aPresShell,
nsIAtom* aListName,
nsIFrame* aPrevFrame,
nsIFrame* aFrameList);
nsresult RemoveFrame2(nsIPresContext* aPresContext,
nsIPresShell* aPresShell,
nsIAtom* aListName,
nsIFrame* aOldFrame);
// Take the first frame away from the anonymous block frame. The
// caller is responsible for the first frames final disposition
// (e.g. deleting it if it wants to).
void RemoveFirstFrame();
// Remove from the blocks list of children the frames starting at
// aFrame until the end of the child list. The caller is responsible
// for the first frames final disposition (e.g. deleting it if it
// wants to).
void RemoveFramesFrom(nsIFrame* aFrame);
protected:
nsAnonymousBlockFrame();
~nsAnonymousBlockFrame();
};
#endif /* nsBlockFrame_h___ */

620
layout/generic/nsBlockReflowState.cpp
Просмотреть файл

@ -3746,21 +3746,12 @@ nsBlockFrame::ReflowInlineFrame(nsBlockReflowState& aState,
// line and don't stop the line reflow...
PRBool splitLine = !reflowingFirstLetter;
if (reflowingFirstLetter) {
#ifdef BLOCK_DOES_FIRST_LINE
if (aLine->IsFirstLine()) {
nsCOMPtr<nsIAtom> frameType;
aFrame->GetFrameType(getter_AddRefs(frameType));
if ((nsLayoutAtoms::inlineFrame == frameType.get()) ||
(nsLayoutAtoms::lineFrame == frameType.get())) {
splitLine = PR_TRUE;
}
else
#endif
{
nsIAtom* frameType;
if (NS_SUCCEEDED(aFrame->GetFrameType(&frameType)) && frameType) {
if (frameType == nsLayoutAtoms::inlineFrame) {
splitLine = PR_TRUE;
}
NS_RELEASE(frameType);
}
}
}
if (splitLine) {
@ -4281,100 +4272,6 @@ nsBlockFrame::LastChild()
return nsnull;
}
#ifdef BLOCK_DOES_FIRST_LINE
nsresult
nsBlockFrame::WrapFramesInFirstLineFrame(nsIPresContext* aPresContext)
{
nsLineBox* line = mLines;
if (!line) {
return NS_OK;
}
// Find the first and last inline line that has frames that aren't
// yet in the first-line-frame.
nsLineBox* prevLine = nsnull;
nsIFrame* firstInlineFrame = nsnull;
nsFirstLineFrame* lineFrame = nsnull;
nsIFrame* nextSib = nsnull;
nsresult rv = NS_OK;
while (line) {
if (line->IsBlock()) {
nextSib = line->mFirstChild;
break;
}
if (line->IsFirstLine()) {
NS_ASSERTION(1 == line->mChildCount, "bad first line");
lineFrame = (nsFirstLineFrame*) line->mFirstChild;
prevLine = line;
line = line->mNext;
}
else {
if (!firstInlineFrame) {
firstInlineFrame = line->mFirstChild;
}
if (prevLine) {
prevLine->mNext = line->mNext;
delete line;
line = prevLine->mNext;
}
else {
prevLine = line;
line = line->mNext;
}
}
}
if (!firstInlineFrame) {
// All of the inline frames are already where they should be
return NS_OK;
}
// Make the last inline frame thats going into the first-line-frame
// have no next sibling.
if (line) {
nsFrameList frames(firstInlineFrame);
nsIFrame* lastInlineFrame = frames.GetPrevSiblingFor(line->mFirstChild);
lastInlineFrame->SetNextSibling(nsnull);
}
// If there is no first-line-frame currently, we create it
if (!lineFrame) {
nsIStyleContext* firstLineStyle = GetFirstLineStyle(aPresContext);
// Create line frame
rv = NS_NewFirstLineFrame((nsIFrame**) &lineFrame);
if (NS_FAILED(rv)) {
return rv;
}
rv = lineFrame->Init(*aPresContext, mContent, this,
firstLineStyle, nsnull);
if (NS_FAILED(rv)) {
return rv;
}
line = mLines;
line->mFirstChild = lineFrame;
line->mChildCount = 1;
line->SetIsFirstLine(PR_TRUE);
NS_RELEASE(firstLineStyle);
}
// Connect last first-line-frame to the remaining frames
lineFrame->SetNextSibling(nextSib);
// Put the new children into the line-frame
lineFrame->AppendFrames2(aPresContext, firstInlineFrame);
// Mark the first-line frames dirty
line = mLines;
while (line && line->IsFirstLine()) {
line->MarkDirty();
line = line->mNext;
}
return rv;
}
#endif
NS_IMETHODIMP
nsBlockFrame::AppendFrames(nsIPresContext& aPresContext,
nsIPresShell& aPresShell,
@ -4399,14 +4296,6 @@ nsBlockFrame::AppendFrames(nsIPresContext& aPresContext,
nsLineBox* lastLine = nsLineBox::LastLine(mLines);
if (lastLine) {
lastKid = lastLine->LastChild();
#ifdef BLOCK_DOES_FIRST_LINE
if (lastLine->IsFirstLine()) {
// Get last frame in the nsFirstLineFrame
lastKid->FirstChild(nsnull, &lastKid);
nsFrameList frames(lastKid);
lastKid = frames.LastChild();
}
#endif
}
// Add frames after the last child
@ -4496,50 +4385,16 @@ nsBlockFrame::AddFrames(nsIPresContext* aPresContext,
nsLineBox* prevSibLine = nsnull;
PRInt32 prevSiblingIndex = -1;
if (aPrevSibling) {
#ifdef BLOCK_DOES_FIRST_LINE
// Its possible we have an nsFirstLineFrame managing some of our
// child frames. If we do and the AddFrames is targetted at it,
// use AddFirstLineFrames to get the frames properly placed.
nsIFrame* prevSiblingParent;
aPrevSibling->GetParent(&prevSiblingParent);
if (prevSiblingParent != this) {
// We are attempting an insert into a nsFirstLineFrame. Mark the
// first-line's dirty. Not exactly optimial, but it will
// guarantee a correct reflow.
nsLineBox* line = mLines;
while (line) {
if (!line->IsFirstLine()) {
break;
}
line->MarkDirty();
line = line->mNext;
}
return AddFirstLineFrames(aPresContext,
(nsFirstLineFrame*)prevSiblingParent,
aFrameList, aPrevSibling);
}
else
#endif
{
// Find the line that contains the previous sibling
prevSibLine = nsLineBox::FindLineContaining(mLines, aPrevSibling,
&prevSiblingIndex);
NS_ASSERTION(nsnull != prevSibLine, "prev sibling not in line list");
if (nsnull == prevSibLine) {
// Note: defensive code! FindLineContaining must not return
// null in this case, so if it does...
aPrevSibling = nsnull;
}
// Find the line that contains the previous sibling
prevSibLine = nsLineBox::FindLineContaining(mLines, aPrevSibling,
&prevSiblingIndex);
NS_ASSERTION(nsnull != prevSibLine, "prev sibling not in line list");
if (nsnull == prevSibLine) {
// Note: defensive code! FindLineContaining must not return
// null in this case, so if it does...
aPrevSibling = nsnull;
}
}
#ifdef BLOCK_DOES_FIRST_LINE
else if (mLines && mLines->IsFirstLine()) {
mLines->MarkDirty();
return AddFirstLineFrames(aPresContext,
(nsFirstLineFrame*)mLines->mFirstChild,
aFrameList, nsnull);
}
#endif
// Find the frame following aPrevSibling so that we can join up the
// two lists of frames.
@ -4609,151 +4464,12 @@ nsBlockFrame::AddFrames(nsIPresContext* aPresContext,
aPrevSibling->SetNextSibling(prevSiblingNextFrame);
}
#ifdef BLOCK_DOES_FIRST_LINE
// Fixup any frames that should be in a first-line frame but aren't
if ((NS_BLOCK_HAS_FIRST_LINE_STYLE & mState) &&
(nsnull != mLines) && !mLines->IsBlock()) {
// We just added one or more frame(s) to the first line.
WrapFramesInFirstLineFrame(aPresContext);
}
#endif
#ifdef DEBUG
VerifyLines(PR_TRUE);
#endif
return NS_OK;
}
#ifdef BLOCK_DOES_FIRST_LINE
nsresult
nsBlockFrame::AddFirstLineFrames(nsIPresContext* aPresContext,
nsFirstLineFrame* aLineFrame,
nsIFrame* aFrameList,
nsIFrame* aPrevSibling)
{
// The first run of inline frames being added always go into the
// line frame. If we hit a block frame then we need to chop the line
// frame into two pieces.
nsIFrame* frame = aFrameList;
nsIFrame* lastAddedFrame = frame;
nsIFrame* firstInlineFrame = nsnull;
PRInt32 pendingInlines = 0;
while (frame) {
if (nsLineLayout::TreatFrameAsBlock(frame)) {
// There are 3 cases. The block is going to the front of the
// line-frames children, in the middle or at the end.
if (aPrevSibling) {
nsIFrame* next;
aPrevSibling->GetNextSibling(&next);
// Take kids from the line frame starting at next.
nsIFrame* kids;
if (nsnull == next) {
// The block goes in front of aLineFrame's continuation, if
// it has one.
nsFirstLineFrame* nextLineFrame;
aLineFrame->GetNextInFlow((nsIFrame**) &nextLineFrame);
if (!nextLineFrame) {
// No continuation, therefore the block goes after aLineFrame
FixParentAndView(aPresContext, frame);
return AddFrames(aPresContext, frame, aLineFrame);
}
// Use nextLineFrame and take away all its kids
aLineFrame = nextLineFrame;
}
kids = TakeKidsFromLineFrame(aLineFrame, next);
// We will leave the line-frame and its continuations in
// place but mark the lines dirty so that they are reflowed
// and the empty line-frames (if any) are cleaned up.
nsLineBox* line = mLines;
nsIFrame* lastLineFrame = aLineFrame;
while (line && line->IsFirstLine()) {
line->MarkDirty();
lastLineFrame = line->mFirstChild;
line = line->mNext;
}
// Join the taken kids onto the *end* of the frames being
// added.
nsFrameList newFrames(frame);
newFrames.AppendFrames(this, kids);
FixParentAndView(aPresContext, frame);
return AddFrames(aPresContext, frame, lastLineFrame);
}
else {
// Block is trying to go to the front of the line frame (and
// therefore in front of all the line-frames children and its
// continuations children). Therefore, we don't need a line
// frame anymore.
nsIFrame* kids = TakeKidsFromLineFrame(aLineFrame, nsnull);
// Join the kids onto the end of the frames being added
nsFrameList newFrames(frame);
newFrames.AppendFrames(this, kids);
FixParentAndView(aPresContext, newFrames.FirstChild());
// Remove the line frame (and its continuations). This also
// removes the nsLineBox's that pointed to the line-frame. Do
// this after FixParentAndView because FixParentAndView needs
// a valid old-parent to work.
DoRemoveFrame(aPresContext, aLineFrame);
// Re-enter AddFrames, this time there won't be any first-line
// frames so we will use the normal path.
return AddFrames(aPresContext, newFrames.FirstChild(), nsnull);
}
}
else {
if (0 == pendingInlines) {
firstInlineFrame = frame;
}
pendingInlines++;
}
lastAddedFrame = frame;
frame->GetNextSibling(&frame);
}
// All of the frames being added are inline frames
if (pendingInlines) {
return aLineFrame->InsertFrames2(aPresContext, aPrevSibling, aFrameList);
}
return NS_OK;
}
nsIFrame*
nsBlockFrame::TakeKidsFromLineFrame(nsFirstLineFrame* aLineFrame,
nsIFrame* aFromKid)
{
nsFrameList kids;
nsIFrame* lastKid;
if (aFromKid) {
kids.SetFrames(aFromKid);
aLineFrame->RemoveFramesFrom(aFromKid);
}
else {
aLineFrame->FirstChild(nsnull, &lastKid);
kids.SetFrames(lastKid);
aLineFrame->RemoveAllFrames();
}
lastKid = kids.LastChild();
// Capture the next-in-flows kids as well.
for (;;) {
aLineFrame->GetNextInFlow((nsIFrame**) &aLineFrame);
if (!aLineFrame) {
break;
}
aLineFrame->FirstChild(nsnull, &aFromKid);
aLineFrame->RemoveAllFrames();
lastKid->SetNextSibling(aFromKid);
nsFrameList tmp(aFromKid);
lastKid = tmp.LastChild();
}
return kids.FirstChild();
}
#endif
void
nsBlockFrame::FixParentAndView(nsIPresContext* aPresContext, nsIFrame* aFrame)
@ -4834,15 +4550,6 @@ nsresult
nsBlockFrame::DoRemoveFrame(nsIPresContext* aPresContext,
nsIFrame* aDeletedFrame)
{
#ifdef BLOCK_DOES_FIRST_LINE
nsIFrame* parent;
aDeletedFrame->GetParent(&parent);
if (parent != this) {
return RemoveFirstLineFrame(aPresContext, (nsFirstLineFrame*)parent,
aDeletedFrame);
}
#endif
// Find the line and the previous sibling that contains
// deletedFrame; we also find the pointer to the line.
nsBlockFrame* flow = this;
@ -4878,9 +4585,7 @@ nsBlockFrame::DoRemoveFrame(nsIPresContext* aPresContext,
while (nsnull != aDeletedFrame) {
while ((nsnull != line) && (nsnull != aDeletedFrame)) {
#ifdef NS_DEBUG
#ifndef BLOCK_DOES_FIRST_LINE
nsIFrame* parent;
#endif
aDeletedFrame->GetParent(&parent);
NS_ASSERTION(flow == parent, "messed up delete code");
NS_ASSERTION(line->Contains(aDeletedFrame), "frame not in line");
@ -4990,60 +4695,12 @@ nsBlockFrame::DoRemoveFrame(nsIPresContext* aPresContext,
}
}
#ifdef BLOCK_DOES_FIRST_LINE
// Fixup any frames that should be in a first-line frame but aren't
if ((NS_BLOCK_HAS_FIRST_LINE_STYLE & mState) &&
(nsnull != mLines) && !mLines->IsBlock()) {
// We just added one or more frame(s) to the first line, or we
// removed a block that preceeded the first line.
WrapFramesInFirstLineFrame(aPresContext);
}
#endif
#ifdef DEBUG
VerifyLines(PR_TRUE);
#endif
return NS_OK;
}
#ifdef BLOCK_DOES_FIRST_LINE
nsresult
nsBlockFrame::RemoveFirstLineFrame(nsIPresContext* aPresContext,
nsFirstLineFrame* aLineFrame,
nsIFrame* aDeletedFrame)
{
// Strip deleted frame out of the nsFirstLineFrame
aLineFrame->RemoveFrame2(aPresContext, aDeletedFrame);
aDeletedFrame->Destroy(*aPresContext);
// See if the line-frame and its continuations are now empty
nsFirstLineFrame* lf = (nsFirstLineFrame*) aLineFrame->GetFirstInFlow();
nsFirstLineFrame* lf0 = lf;
PRBool empty = PR_TRUE;
while (lf) {
nsIFrame* kids;
lf->FirstChild(nsnull, &kids);
if (kids) {
empty = PR_FALSE;
break;
}
lf->GetNextInFlow((nsIFrame**) &lf);
}
if (empty) {
return DoRemoveFrame(aPresContext, lf0);
}
// Mark first-line lines dirty
nsLineBox* line = mLines;
while (line && line->IsFirstLine()) {
line->MarkDirty();
line = line->mNext;
}
return NS_OK;
}
#endif
void
nsBlockFrame::DeleteChildsNextInFlow(nsIPresContext& aPresContext,
nsIFrame* aChild)
@ -6108,18 +5765,6 @@ nsBlockFrame::GetFirstLetterStyle(nsIPresContext* aPresContext)
return fls;
}
#ifdef BLOCK_DOES_FIRST_LINE
nsIStyleContext*
nsBlockFrame::GetFirstLineStyle(nsIPresContext* aPresContext)
{
nsIStyleContext* fls;
aPresContext->ProbePseudoStyleContextFor(mContent,
nsHTMLAtoms::firstLinePseudo,
mStyleContext, PR_FALSE, &fls);
return fls;
}
#endif
NS_IMETHODIMP
nsBlockFrame::SetInitialChildList(nsIPresContext& aPresContext,
nsIAtom* aListName,
@ -6143,18 +5788,6 @@ nsBlockFrame::SetInitialChildList(nsIPresContext& aPresContext,
#endif
NS_RELEASE(firstLetterStyle);
}
#ifdef BLOCK_DOES_FIRST_LINE
nsIStyleContext* firstLineStyle = GetFirstLineStyle(&aPresContext);
if (nsnull != firstLineStyle) {
mState |= NS_BLOCK_HAS_FIRST_LINE_STYLE;
#ifdef NOISY_FIRST_LINE
ListTag(stdout);
printf(": first-line style found\n");
#endif
NS_RELEASE(firstLineStyle);
}
#endif
}
rv = AddFrames(&aPresContext, aChildList, nsnull);
@ -6448,15 +6081,7 @@ nsBlockFrame::ComputeTextRuns(nsIPresContext* aPresContext)
nsIFrame* frame = line->mFirstChild;
PRInt32 n = line->GetChildCount();
while (--n >= 0) {
nsresult rv = frame->FindTextRuns(textRunThingy);
if (NS_OK != rv) {
return rv;
}
else {
// A frame that doesn't implement nsIHTMLReflow isn't text
// therefore it will end an open text run.
textRunThingy.EndTextRun();
}
frame->FindTextRuns(textRunThingy);
frame->GetNextSibling(&frame);
}
}
@ -6474,210 +6099,6 @@ nsBlockFrame::ComputeTextRuns(nsIPresContext* aPresContext)
return NS_OK;
}
//----------------------------------------------------------------------
nsresult
NS_NewAnonymousBlockFrame(nsIFrame** aNewFrame)
{
NS_PRECONDITION(aNewFrame, "null OUT ptr");
if (nsnull == aNewFrame) {
return NS_ERROR_NULL_POINTER;
}
nsAnonymousBlockFrame* it = new nsAnonymousBlockFrame;
if (nsnull == it) {
return NS_ERROR_OUT_OF_MEMORY;
}
*aNewFrame = it;
return NS_OK;
}
nsAnonymousBlockFrame::nsAnonymousBlockFrame()
{
}
nsAnonymousBlockFrame::~nsAnonymousBlockFrame()
{
}
NS_IMETHODIMP
nsAnonymousBlockFrame::AppendFrames(nsIPresContext& aPresContext,
nsIPresShell& aPresShell,
nsIAtom* aListName,
nsIFrame* aFrameList)
{
return mParent->AppendFrames(aPresContext, aPresShell, aListName,
aFrameList);
}
NS_IMETHODIMP
nsAnonymousBlockFrame::InsertFrames(nsIPresContext& aPresContext,
nsIPresShell& aPresShell,
nsIAtom* aListName,
nsIFrame* aPrevFrame,
nsIFrame* aFrameList)
{
return mParent->InsertFrames(aPresContext, aPresShell, aListName,
aPrevFrame, aFrameList);
}
NS_IMETHODIMP
nsAnonymousBlockFrame::RemoveFrame(nsIPresContext& aPresContext,
nsIPresShell& aPresShell,
nsIAtom* aListName,
nsIFrame* aOldFrame)
{
return mParent->RemoveFrame(aPresContext, aPresShell, aListName,
aOldFrame);
}
nsresult
nsAnonymousBlockFrame::AppendFrames2(nsIPresContext* aPresContext,
nsIPresShell* aPresShell,
nsIAtom* aListName,
nsIFrame* aFrameList)
{
return nsAnonymousBlockFrameSuper::AppendFrames(*aPresContext, *aPresShell,
aListName, aFrameList);
}
nsresult
nsAnonymousBlockFrame::InsertFrames2(nsIPresContext* aPresContext,
nsIPresShell* aPresShell,
nsIAtom* aListName,
nsIFrame* aPrevFrame,
nsIFrame* aFrameList)
{
return nsAnonymousBlockFrameSuper::InsertFrames(*aPresContext, *aPresShell,
aListName, aPrevFrame,
aFrameList);
}
nsresult
nsAnonymousBlockFrame::RemoveFrame2(nsIPresContext* aPresContext,
nsIPresShell* aPresShell,
nsIAtom* aListName,
nsIFrame* aOldFrame)
{
return nsAnonymousBlockFrameSuper::RemoveFrame(*aPresContext, *aPresShell,
aListName, aOldFrame);
}
void
nsAnonymousBlockFrame::RemoveFirstFrame()
{
nsLineBox* line = mLines;
if (nsnull != line) {
nsIFrame* firstChild = line->mFirstChild;
#if XXX
// If the line has floaters on it, see if the frame being removed
// is a placeholder frame. If it is, then remove it from the lines
// floater array and from the block frames floater child list.
if (line->mFloaters.NotEmpty()) {
// XXX UNTESTED!
nsPlaceholderFrame* placeholderFrame;
nsVoidArray& floaters = *line->mFloaters;
PRInt32 i, n = floaters.Count();
for (i = 0; i < n; i++) {
placeholderFrame = (nsPlaceholderFrame*) floaters[i];
if (firstChild == placeholderFrame) {
// Remove placeholder from the line's floater array
floaters.RemoveElementAt(i);
if (0 == floaters.Count()) {
delete line->mFloaters;
line->mFloaters = nsnull;
}
// Remove the floater from the block frames mFloaters list too
mFloaters.RemoveFrame(placeholderFrame->GetOutOfFlowFrame());
break;
}
}
}
#endif
PRInt32 lineChildCount = line->GetChildCount();
if (1 == lineChildCount) {
// Remove line when last frame goes away
mLines = line->mNext;
delete line;
}
else {
// Remove frame from line and mark the line dirty
line->SetChildCount(lineChildCount - 1);
line->MarkDirty();
firstChild->GetNextSibling(&line->mFirstChild);
}
// Break linkage to next child after stolen frame
firstChild->SetNextSibling(nsnull);
}
#ifdef DEBUG
VerifyLines(PR_TRUE);
#endif
}
void
nsAnonymousBlockFrame::RemoveFramesFrom(nsIFrame* aFrame)
{
nsLineBox* line = mLines;
if (nsnull != line) {
// Chop the child sibling list into two pieces
nsFrameList tmp(line->mFirstChild);
nsIFrame* prevSibling = tmp.GetPrevSiblingFor(aFrame);
if (nsnull != prevSibling) {
// Chop the sibling list into two pieces
prevSibling->SetNextSibling(nsnull);
nsLineBox* prevLine = nsnull;
while (nsnull != line) {
nsIFrame* frame = line->mFirstChild;
PRInt32 i, n = line->GetChildCount();
PRBool done = PR_FALSE;
for (i = 0; i < n; i++) {
if (frame == aFrame) {
// We just found the target frame (and the line its in and
// the previous line)
if (frame == line->mFirstChild) {
// No more children on this line, so let it get removed
prevLine->mNext = nsnull;
}
else {
// The only frames that remain on this line are the
// frames preceeding aFrame. Adjust the count to
// indicate that fact.
line->SetChildCount(i);
// Remove the lines that follow this line
prevLine = line;
line = line->mNext;
prevLine->mNext = nsnull;
}
done = PR_TRUE;
break;
}
frame->GetNextSibling(&frame);
}
if (done) {
break;
}
prevLine = line;
line = line->mNext;
}
}
// Remove all of the remaining lines
while (nsnull != line) {
nsLineBox* next = line->mNext;
delete line;
line = next;
}
}
#ifdef DEBUG
VerifyLines(PR_TRUE);
#endif
}
#ifdef DEBUG
void
nsBlockFrame::VerifyLines(PRBool aFinalCheckOK)
@ -6700,24 +6121,9 @@ nsBlockFrame::VerifyLines(PRBool aFinalCheckOK)
if (line->IsBlock()) {
seenBlock = PR_TRUE;
}
#ifdef BLOCK_DOES_FIRST_LINE
if (line->IsFirstLine()) {
NS_ASSERTION(1 == line->GetChildCount(), "bad first line");
}
#endif
if (line->IsBlock()) {
NS_ASSERTION(1 == line->GetChildCount(), "bad first line");
}
#ifdef BLOCK_DOES_FIRST_LINE
if (NS_BLOCK_HAS_FIRST_LINE_STYLE & mState) {
if (seenBlock) {
NS_ASSERTION(!line->IsFirstLine(), "bad first line");
}
else {
NS_ASSERTION(line->IsFirstLine(), "bad first line");
}
}
#endif
}
count += line->GetChildCount();
line = line->mNext;

620
layout/generic/nsBlockReflowState.h
Просмотреть файл

@ -3746,21 +3746,12 @@ nsBlockFrame::ReflowInlineFrame(nsBlockReflowState& aState,
// line and don't stop the line reflow...
PRBool splitLine = !reflowingFirstLetter;
if (reflowingFirstLetter) {
#ifdef BLOCK_DOES_FIRST_LINE
if (aLine->IsFirstLine()) {
nsCOMPtr<nsIAtom> frameType;
aFrame->GetFrameType(getter_AddRefs(frameType));
if ((nsLayoutAtoms::inlineFrame == frameType.get()) ||
(nsLayoutAtoms::lineFrame == frameType.get())) {
splitLine = PR_TRUE;
}
else
#endif
{
nsIAtom* frameType;
if (NS_SUCCEEDED(aFrame->GetFrameType(&frameType)) && frameType) {
if (frameType == nsLayoutAtoms::inlineFrame) {
splitLine = PR_TRUE;
}
NS_RELEASE(frameType);
}
}
}
if (splitLine) {
@ -4281,100 +4272,6 @@ nsBlockFrame::LastChild()
return nsnull;
}
#ifdef BLOCK_DOES_FIRST_LINE
nsresult
nsBlockFrame::WrapFramesInFirstLineFrame(nsIPresContext* aPresContext)
{
nsLineBox* line = mLines;
if (!line) {
return NS_OK;
}
// Find the first and last inline line that has frames that aren't
// yet in the first-line-frame.
nsLineBox* prevLine = nsnull;
nsIFrame* firstInlineFrame = nsnull;
nsFirstLineFrame* lineFrame = nsnull;
nsIFrame* nextSib = nsnull;
nsresult rv = NS_OK;
while (line) {
if (line->IsBlock()) {
nextSib = line->mFirstChild;
break;
}
if (line->IsFirstLine()) {
NS_ASSERTION(1 == line->mChildCount, "bad first line");
lineFrame = (nsFirstLineFrame*) line->mFirstChild;
prevLine = line;
line = line->mNext;
}
else {
if (!firstInlineFrame) {
firstInlineFrame = line->mFirstChild;
}
if (prevLine) {
prevLine->mNext = line->mNext;
delete line;
line = prevLine->mNext;
}
else {
prevLine = line;
line = line->mNext;
}
}
}
if (!firstInlineFrame) {
// All of the inline frames are already where they should be
return NS_OK;
}
// Make the last inline frame thats going into the first-line-frame
// have no next sibling.
if (line) {
nsFrameList frames(firstInlineFrame);
nsIFrame* lastInlineFrame = frames.GetPrevSiblingFor(line->mFirstChild);
lastInlineFrame->SetNextSibling(nsnull);
}
// If there is no first-line-frame currently, we create it
if (!lineFrame) {
nsIStyleContext* firstLineStyle = GetFirstLineStyle(aPresContext);
// Create line frame
rv = NS_NewFirstLineFrame((nsIFrame**) &lineFrame);
if (NS_FAILED(rv)) {
return rv;
}
rv = lineFrame->Init(*aPresContext, mContent, this,
firstLineStyle, nsnull);
if (NS_FAILED(rv)) {
return rv;
}
line = mLines;
line->mFirstChild = lineFrame;
line->mChildCount = 1;
line->SetIsFirstLine(PR_TRUE);
NS_RELEASE(firstLineStyle);
}
// Connect last first-line-frame to the remaining frames
lineFrame->SetNextSibling(nextSib);
// Put the new children into the line-frame
lineFrame->AppendFrames2(aPresContext, firstInlineFrame);
// Mark the first-line frames dirty
line = mLines;
while (line && line->IsFirstLine()) {
line->MarkDirty();
line = line->mNext;
}
return rv;
}
#endif
NS_IMETHODIMP
nsBlockFrame::AppendFrames(nsIPresContext& aPresContext,
nsIPresShell& aPresShell,
@ -4399,14 +4296,6 @@ nsBlockFrame::AppendFrames(nsIPresContext& aPresContext,
nsLineBox* lastLine = nsLineBox::LastLine(mLines);
if (lastLine) {
lastKid = lastLine->LastChild();
#ifdef BLOCK_DOES_FIRST_LINE
if (lastLine->IsFirstLine()) {
// Get last frame in the nsFirstLineFrame
lastKid->FirstChild(nsnull, &lastKid);
nsFrameList frames(lastKid);
lastKid = frames.LastChild();
}
#endif
}
// Add frames after the last child
@ -4496,50 +4385,16 @@ nsBlockFrame::AddFrames(nsIPresContext* aPresContext,
nsLineBox* prevSibLine = nsnull;
PRInt32 prevSiblingIndex = -1;
if (aPrevSibling) {
#ifdef BLOCK_DOES_FIRST_LINE
// Its possible we have an nsFirstLineFrame managing some of our
// child frames. If we do and the AddFrames is targetted at it,
// use AddFirstLineFrames to get the frames properly placed.
nsIFrame* prevSiblingParent;
aPrevSibling->GetParent(&prevSiblingParent);
if (prevSiblingParent != this) {
// We are attempting an insert into a nsFirstLineFrame. Mark the
// first-line's dirty. Not exactly optimial, but it will
// guarantee a correct reflow.
nsLineBox* line = mLines;
while (line) {
if (!line->IsFirstLine()) {
break;
}
line->MarkDirty();
line = line->mNext;
}
return AddFirstLineFrames(aPresContext,
(nsFirstLineFrame*)prevSiblingParent,
aFrameList, aPrevSibling);
}
else
#endif
{
// Find the line that contains the previous sibling
prevSibLine = nsLineBox::FindLineContaining(mLines, aPrevSibling,
&prevSiblingIndex);
NS_ASSERTION(nsnull != prevSibLine, "prev sibling not in line list");
if (nsnull == prevSibLine) {
// Note: defensive code! FindLineContaining must not return
// null in this case, so if it does...
aPrevSibling = nsnull;
}
// Find the line that contains the previous sibling
prevSibLine = nsLineBox::FindLineContaining(mLines, aPrevSibling,
&prevSiblingIndex);
NS_ASSERTION(nsnull != prevSibLine, "prev sibling not in line list");
if (nsnull == prevSibLine) {
// Note: defensive code! FindLineContaining must not return
// null in this case, so if it does...
aPrevSibling = nsnull;
}
}
#ifdef BLOCK_DOES_FIRST_LINE
else if (mLines && mLines->IsFirstLine()) {
mLines->MarkDirty();
return AddFirstLineFrames(aPresContext,
(nsFirstLineFrame*)mLines->mFirstChild,
aFrameList, nsnull);
}
#endif
// Find the frame following aPrevSibling so that we can join up the
// two lists of frames.
@ -4609,151 +4464,12 @@ nsBlockFrame::AddFrames(nsIPresContext* aPresContext,
aPrevSibling->SetNextSibling(prevSiblingNextFrame);
}
#ifdef BLOCK_DOES_FIRST_LINE
// Fixup any frames that should be in a first-line frame but aren't
if ((NS_BLOCK_HAS_FIRST_LINE_STYLE & mState) &&
(nsnull != mLines) && !mLines->IsBlock()) {
// We just added one or more frame(s) to the first line.
WrapFramesInFirstLineFrame(aPresContext);
}
#endif
#ifdef DEBUG
VerifyLines(PR_TRUE);
#endif
return NS_OK;
}
#ifdef BLOCK_DOES_FIRST_LINE
nsresult
nsBlockFrame::AddFirstLineFrames(nsIPresContext* aPresContext,
nsFirstLineFrame* aLineFrame,
nsIFrame* aFrameList,
nsIFrame* aPrevSibling)
{
// The first run of inline frames being added always go into the
// line frame. If we hit a block frame then we need to chop the line
// frame into two pieces.
nsIFrame* frame = aFrameList;
nsIFrame* lastAddedFrame = frame;
nsIFrame* firstInlineFrame = nsnull;
PRInt32 pendingInlines = 0;
while (frame) {
if (nsLineLayout::TreatFrameAsBlock(frame)) {
// There are 3 cases. The block is going to the front of the
// line-frames children, in the middle or at the end.
if (aPrevSibling) {
nsIFrame* next;
aPrevSibling->GetNextSibling(&next);
// Take kids from the line frame starting at next.
nsIFrame* kids;
if (nsnull == next) {
// The block goes in front of aLineFrame's continuation, if
// it has one.
nsFirstLineFrame* nextLineFrame;
aLineFrame->GetNextInFlow((nsIFrame**) &nextLineFrame);
if (!nextLineFrame) {
// No continuation, therefore the block goes after aLineFrame
FixParentAndView(aPresContext, frame);
return AddFrames(aPresContext, frame, aLineFrame);
}
// Use nextLineFrame and take away all its kids
aLineFrame = nextLineFrame;
}
kids = TakeKidsFromLineFrame(aLineFrame, next);
// We will leave the line-frame and its continuations in
// place but mark the lines dirty so that they are reflowed
// and the empty line-frames (if any) are cleaned up.
nsLineBox* line = mLines;
nsIFrame* lastLineFrame = aLineFrame;
while (line && line->IsFirstLine()) {
line->MarkDirty();
lastLineFrame = line->mFirstChild;
line = line->mNext;
}
// Join the taken kids onto the *end* of the frames being
// added.
nsFrameList newFrames(frame);
newFrames.AppendFrames(this, kids);
FixParentAndView(aPresContext, frame);
return AddFrames(aPresContext, frame, lastLineFrame);
}
else {
// Block is trying to go to the front of the line frame (and
// therefore in front of all the line-frames children and its
// continuations children). Therefore, we don't need a line
// frame anymore.
nsIFrame* kids = TakeKidsFromLineFrame(aLineFrame, nsnull);
// Join the kids onto the end of the frames being added
nsFrameList newFrames(frame);
newFrames.AppendFrames(this, kids);
FixParentAndView(aPresContext, newFrames.FirstChild());
// Remove the line frame (and its continuations). This also
// removes the nsLineBox's that pointed to the line-frame. Do
// this after FixParentAndView because FixParentAndView needs
// a valid old-parent to work.
DoRemoveFrame(aPresContext, aLineFrame);
// Re-enter AddFrames, this time there won't be any first-line
// frames so we will use the normal path.
return AddFrames(aPresContext, newFrames.FirstChild(), nsnull);
}
}
else {
if (0 == pendingInlines) {
firstInlineFrame = frame;
}
pendingInlines++;
}
lastAddedFrame = frame;
frame->GetNextSibling(&frame);
}
// All of the frames being added are inline frames
if (pendingInlines) {
return aLineFrame->InsertFrames2(aPresContext, aPrevSibling, aFrameList);
}
return NS_OK;
}
nsIFrame*
nsBlockFrame::TakeKidsFromLineFrame(nsFirstLineFrame* aLineFrame,
nsIFrame* aFromKid)
{
nsFrameList kids;
nsIFrame* lastKid;
if (aFromKid) {
kids.SetFrames(aFromKid);
aLineFrame->RemoveFramesFrom(aFromKid);
}
else {
aLineFrame->FirstChild(nsnull, &lastKid);
kids.SetFrames(lastKid);
aLineFrame->RemoveAllFrames();
}
lastKid = kids.LastChild();
// Capture the next-in-flows kids as well.
for (;;) {
aLineFrame->GetNextInFlow((nsIFrame**) &aLineFrame);
if (!aLineFrame) {
break;
}
aLineFrame->FirstChild(nsnull, &aFromKid);
aLineFrame->RemoveAllFrames();
lastKid->SetNextSibling(aFromKid);
nsFrameList tmp(aFromKid);
lastKid = tmp.LastChild();
}
return kids.FirstChild();
}
#endif
void
nsBlockFrame::FixParentAndView(nsIPresContext* aPresContext, nsIFrame* aFrame)
@ -4834,15 +4550,6 @@ nsresult
nsBlockFrame::DoRemoveFrame(nsIPresContext* aPresContext,
nsIFrame* aDeletedFrame)
{
#ifdef BLOCK_DOES_FIRST_LINE
nsIFrame* parent;
aDeletedFrame->GetParent(&parent);
if (parent != this) {
return RemoveFirstLineFrame(aPresContext, (nsFirstLineFrame*)parent,
aDeletedFrame);
}
#endif
// Find the line and the previous sibling that contains
// deletedFrame; we also find the pointer to the line.
nsBlockFrame* flow = this;
@ -4878,9 +4585,7 @@ nsBlockFrame::DoRemoveFrame(nsIPresContext* aPresContext,
while (nsnull != aDeletedFrame) {
while ((nsnull != line) && (nsnull != aDeletedFrame)) {
#ifdef NS_DEBUG
#ifndef BLOCK_DOES_FIRST_LINE
nsIFrame* parent;
#endif
aDeletedFrame->GetParent(&parent);
NS_ASSERTION(flow == parent, "messed up delete code");
NS_ASSERTION(line->Contains(aDeletedFrame), "frame not in line");
@ -4990,60 +4695,12 @@ nsBlockFrame::DoRemoveFrame(nsIPresContext* aPresContext,
}
}
#ifdef BLOCK_DOES_FIRST_LINE
// Fixup any frames that should be in a first-line frame but aren't
if ((NS_BLOCK_HAS_FIRST_LINE_STYLE & mState) &&
(nsnull != mLines) && !mLines->IsBlock()) {
// We just added one or more frame(s) to the first line, or we
// removed a block that preceeded the first line.
WrapFramesInFirstLineFrame(aPresContext);
}
#endif
#ifdef DEBUG
VerifyLines(PR_TRUE);
#endif
return NS_OK;
}
#ifdef BLOCK_DOES_FIRST_LINE
nsresult
nsBlockFrame::RemoveFirstLineFrame(nsIPresContext* aPresContext,
nsFirstLineFrame* aLineFrame,
nsIFrame* aDeletedFrame)
{
// Strip deleted frame out of the nsFirstLineFrame
aLineFrame->RemoveFrame2(aPresContext, aDeletedFrame);
aDeletedFrame->Destroy(*aPresContext);
// See if the line-frame and its continuations are now empty
nsFirstLineFrame* lf = (nsFirstLineFrame*) aLineFrame->GetFirstInFlow();
nsFirstLineFrame* lf0 = lf;
PRBool empty = PR_TRUE;
while (lf) {
nsIFrame* kids;
lf->FirstChild(nsnull, &kids);
if (kids) {
empty = PR_FALSE;
break;
}
lf->GetNextInFlow((nsIFrame**) &lf);
}
if (empty) {
return DoRemoveFrame(aPresContext, lf0);
}
// Mark first-line lines dirty
nsLineBox* line = mLines;
while (line && line->IsFirstLine()) {
line->MarkDirty();
line = line->mNext;
}
return NS_OK;
}
#endif
void
nsBlockFrame::DeleteChildsNextInFlow(nsIPresContext& aPresContext,
nsIFrame* aChild)
@ -6108,18 +5765,6 @@ nsBlockFrame::GetFirstLetterStyle(nsIPresContext* aPresContext)
return fls;
}
#ifdef BLOCK_DOES_FIRST_LINE
nsIStyleContext*
nsBlockFrame::GetFirstLineStyle(nsIPresContext* aPresContext)
{
nsIStyleContext* fls;
aPresContext->ProbePseudoStyleContextFor(mContent,
nsHTMLAtoms::firstLinePseudo,
mStyleContext, PR_FALSE, &fls);
return fls;
}
#endif
NS_IMETHODIMP
nsBlockFrame::SetInitialChildList(nsIPresContext& aPresContext,
nsIAtom* aListName,
@ -6143,18 +5788,6 @@ nsBlockFrame::SetInitialChildList(nsIPresContext& aPresContext,
#endif
NS_RELEASE(firstLetterStyle);
}
#ifdef BLOCK_DOES_FIRST_LINE
nsIStyleContext* firstLineStyle = GetFirstLineStyle(&aPresContext);
if (nsnull != firstLineStyle) {
mState |= NS_BLOCK_HAS_FIRST_LINE_STYLE;
#ifdef NOISY_FIRST_LINE
ListTag(stdout);
printf(": first-line style found\n");
#endif
NS_RELEASE(firstLineStyle);
}
#endif
}
rv = AddFrames(&aPresContext, aChildList, nsnull);
@ -6448,15 +6081,7 @@ nsBlockFrame::ComputeTextRuns(nsIPresContext* aPresContext)
nsIFrame* frame = line->mFirstChild;
PRInt32 n = line->GetChildCount();
while (--n >= 0) {
nsresult rv = frame->FindTextRuns(textRunThingy);
if (NS_OK != rv) {
return rv;
}
else {
// A frame that doesn't implement nsIHTMLReflow isn't text
// therefore it will end an open text run.
textRunThingy.EndTextRun();
}
frame->FindTextRuns(textRunThingy);
frame->GetNextSibling(&frame);
}
}
@ -6474,210 +6099,6 @@ nsBlockFrame::ComputeTextRuns(nsIPresContext* aPresContext)
return NS_OK;
}
//----------------------------------------------------------------------
nsresult
NS_NewAnonymousBlockFrame(nsIFrame** aNewFrame)
{
NS_PRECONDITION(aNewFrame, "null OUT ptr");
if (nsnull == aNewFrame) {
return NS_ERROR_NULL_POINTER;
}
nsAnonymousBlockFrame* it = new nsAnonymousBlockFrame;
if (nsnull == it) {
return NS_ERROR_OUT_OF_MEMORY;
}
*aNewFrame = it;
return NS_OK;
}
nsAnonymousBlockFrame::nsAnonymousBlockFrame()
{
}
nsAnonymousBlockFrame::~nsAnonymousBlockFrame()
{
}
NS_IMETHODIMP
nsAnonymousBlockFrame::AppendFrames(nsIPresContext& aPresContext,
nsIPresShell& aPresShell,
nsIAtom* aListName,
nsIFrame* aFrameList)
{
return mParent->AppendFrames(aPresContext, aPresShell, aListName,
aFrameList);
}
NS_IMETHODIMP
nsAnonymousBlockFrame::InsertFrames(nsIPresContext& aPresContext,
nsIPresShell& aPresShell,
nsIAtom* aListName,
nsIFrame* aPrevFrame,
nsIFrame* aFrameList)
{
return mParent->InsertFrames(aPresContext, aPresShell, aListName,
aPrevFrame, aFrameList);
}
NS_IMETHODIMP
nsAnonymousBlockFrame::RemoveFrame(nsIPresContext& aPresContext,
nsIPresShell& aPresShell,
nsIAtom* aListName,
nsIFrame* aOldFrame)
{
return mParent->RemoveFrame(aPresContext, aPresShell, aListName,
aOldFrame);
}
nsresult
nsAnonymousBlockFrame::AppendFrames2(nsIPresContext* aPresContext,
nsIPresShell* aPresShell,
nsIAtom* aListName,
nsIFrame* aFrameList)
{
return nsAnonymousBlockFrameSuper::AppendFrames(*aPresContext, *aPresShell,
aListName, aFrameList);
}
nsresult
nsAnonymousBlockFrame::InsertFrames2(nsIPresContext* aPresContext,
nsIPresShell* aPresShell,
nsIAtom* aListName,
nsIFrame* aPrevFrame,
nsIFrame* aFrameList)
{
return nsAnonymousBlockFrameSuper::InsertFrames(*aPresContext, *aPresShell,
aListName, aPrevFrame,
aFrameList);
}
nsresult
nsAnonymousBlockFrame::RemoveFrame2(nsIPresContext* aPresContext,
nsIPresShell* aPresShell,
nsIAtom* aListName,
nsIFrame* aOldFrame)
{
return nsAnonymousBlockFrameSuper::RemoveFrame(*aPresContext, *aPresShell,
aListName, aOldFrame);
}
void
nsAnonymousBlockFrame::RemoveFirstFrame()
{
nsLineBox* line = mLines;
if (nsnull != line) {
nsIFrame* firstChild = line->mFirstChild;
#if XXX
// If the line has floaters on it, see if the frame being removed
// is a placeholder frame. If it is, then remove it from the lines
// floater array and from the block frames floater child list.
if (line->mFloaters.NotEmpty()) {
// XXX UNTESTED!
nsPlaceholderFrame* placeholderFrame;
nsVoidArray& floaters = *line->mFloaters;
PRInt32 i, n = floaters.Count();
for (i = 0; i < n; i++) {
placeholderFrame = (nsPlaceholderFrame*) floaters[i];
if (firstChild == placeholderFrame) {
// Remove placeholder from the line's floater array
floaters.RemoveElementAt(i);
if (0 == floaters.Count()) {
delete line->mFloaters;
line->mFloaters = nsnull;
}
// Remove the floater from the block frames mFloaters list too
mFloaters.RemoveFrame(placeholderFrame->GetOutOfFlowFrame());
break;
}
}
}
#endif
PRInt32 lineChildCount = line->GetChildCount();
if (1 == lineChildCount) {
// Remove line when last frame goes away
mLines = line->mNext;
delete line;
}
else {
// Remove frame from line and mark the line dirty
line->SetChildCount(lineChildCount - 1);
line->MarkDirty();
firstChild->GetNextSibling(&line->mFirstChild);
}
// Break linkage to next child after stolen frame
firstChild->SetNextSibling(nsnull);
}
#ifdef DEBUG
VerifyLines(PR_TRUE);
#endif
}
void
nsAnonymousBlockFrame::RemoveFramesFrom(nsIFrame* aFrame)
{
nsLineBox* line = mLines;
if (nsnull != line) {
// Chop the child sibling list into two pieces
nsFrameList tmp(line->mFirstChild);
nsIFrame* prevSibling = tmp.GetPrevSiblingFor(aFrame);
if (nsnull != prevSibling) {
// Chop the sibling list into two pieces
prevSibling->SetNextSibling(nsnull);
nsLineBox* prevLine = nsnull;
while (nsnull != line) {
nsIFrame* frame = line->mFirstChild;
PRInt32 i, n = line->GetChildCount();
PRBool done = PR_FALSE;
for (i = 0; i < n; i++) {
if (frame == aFrame) {
// We just found the target frame (and the line its in and
// the previous line)
if (frame == line->mFirstChild) {
// No more children on this line, so let it get removed
prevLine->mNext = nsnull;
}
else {
// The only frames that remain on this line are the
// frames preceeding aFrame. Adjust the count to
// indicate that fact.
line->SetChildCount(i);
// Remove the lines that follow this line
prevLine = line;
line = line->mNext;
prevLine->mNext = nsnull;
}
done = PR_TRUE;
break;
}
frame->GetNextSibling(&frame);
}
if (done) {
break;
}
prevLine = line;
line = line->mNext;
}
}
// Remove all of the remaining lines
while (nsnull != line) {
nsLineBox* next = line->mNext;
delete line;
line = next;
}
}
#ifdef DEBUG
VerifyLines(PR_TRUE);
#endif
}
#ifdef DEBUG
void
nsBlockFrame::VerifyLines(PRBool aFinalCheckOK)
@ -6700,24 +6121,9 @@ nsBlockFrame::VerifyLines(PRBool aFinalCheckOK)
if (line->IsBlock()) {
seenBlock = PR_TRUE;
}
#ifdef BLOCK_DOES_FIRST_LINE
if (line->IsFirstLine()) {
NS_ASSERTION(1 == line->GetChildCount(), "bad first line");
}
#endif
if (line->IsBlock()) {
NS_ASSERTION(1 == line->GetChildCount(), "bad first line");
}
#ifdef BLOCK_DOES_FIRST_LINE
if (NS_BLOCK_HAS_FIRST_LINE_STYLE & mState) {
if (seenBlock) {
NS_ASSERTION(!line->IsFirstLine(), "bad first line");
}
else {
NS_ASSERTION(line->IsFirstLine(), "bad first line");
}
}
#endif
}
count += line->GetChildCount();
line = line->mNext;

2753
layout/generic/nsInlineFrame.cpp
Просмотреть файл

Разница между файлами не показана из-за своего большого размера Загрузить разницу

165
layout/generic/nsInlineFrame.h
Просмотреть файл

@ -30,6 +30,12 @@ class nsAnonymousBlockFrame;
#define nsInlineFrameSuper nsHTMLContainerFrame
/**
* Inline frame class.
*
* This class manages a list of child frames that are inline frames. Working with
* nsLineLayout, the class will reflow and place inline frames on a line.
*/
class nsInlineFrame : public nsInlineFrameSuper
{
public:
@ -39,9 +45,6 @@ public:
NS_IMETHOD QueryInterface(const nsIID& aIID, void** aInstancePtr);
// nsIFrame overrides
NS_IMETHOD SetInitialChildList(nsIPresContext& aPresContext,
nsIAtom* aListName,
nsIFrame* aChildList);
NS_IMETHOD AppendFrames(nsIPresContext& aPresContext,
nsIPresShell& aPresShell,
nsIAtom* aListName,
@ -55,7 +58,11 @@ public:
nsIPresShell& aPresShell,
nsIAtom* aListName,
nsIFrame* aOldFrame);
NS_IMETHOD Destroy(nsIPresContext& aPresContext);
NS_IMETHOD ReplaceFrame(nsIPresContext& aPresContext,
nsIPresShell& aPresShell,
nsIAtom* aListName,
nsIFrame* aOldFrame,
nsIFrame* aNewFrame);
NS_IMETHOD GetFrameName(nsString& aResult) const;
NS_IMETHOD GetFrameType(nsIAtom** aType) const;
@ -65,15 +72,15 @@ public:
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus);
NS_IMETHOD FindTextRuns(nsLineLayout& aLineLayout);
#if XXX_fix_me
NS_IMETHOD AdjustFrameSize(nscoord aExtraSpace, nscoord& aUsedSpace);
NS_IMETHOD TrimTrailingWhiteSpace(nsIPresContext& aPresContext,
nsIRenderingContext& aRC,
nscoord& aDeltaWidth);
#endif
static nsIID kInlineFrameCID;
// Take all of the frames away from this frame. The caller is
// presumed to keep them alive.
void StealAllFrames() {
mFrames.SetFrames(nsnull);
}
protected:
// Additional reflow state used during our reflow methods
struct InlineReflowState {
@ -82,75 +89,15 @@ protected:
nsInlineFrame* mNextInFlow;
};
// A helper class that knows how to take a list of frames and chop
// it up into 3 sections.
struct SectionData {
SectionData(nsIFrame* aFrameList);
PRBool SplitFrameList(nsFrameList& aSection1,
nsFrameList& aSection2,
nsFrameList& aSection3);
PRBool HasABlock() const {
return nsnull != firstBlock;
}
nsIFrame* firstBlock;
nsIFrame* prevFirstBlock;
nsIFrame* lastBlock;
nsIFrame* firstFrame;
nsIFrame* lastFrame;
};
nsInlineFrame();
virtual PRIntn GetSkipSides() const;
PRBool HaveAnonymousBlock() const {
return mFrames.NotEmpty()
? nsLineLayout::TreatFrameAsBlock(mFrames.FirstChild())
: PR_FALSE;
}
static PRBool ParentIsInlineFrame(nsIFrame* aFrame, nsIFrame** aParent) {
void* tmp;
nsIFrame* parent;
aFrame->GetParent(&parent);
*aParent = parent;
if (NS_SUCCEEDED(parent->QueryInterface(kInlineFrameCID, &tmp))) {
return PR_TRUE;
}
return PR_FALSE;
}
nsAnonymousBlockFrame* FindPrevAnonymousBlock(nsInlineFrame** aBlockParent);
nsAnonymousBlockFrame* FindAnonymousBlock(nsInlineFrame** aBlockParent);
nsresult CreateAnonymousBlock(nsIPresContext& aPresContext,
nsIFrame* aFrameList,
nsIFrame** aResult);
nsresult AppendFrames(nsIPresContext& aPresContext,
nsIPresShell& aPresShell,
nsIFrame* aFrameList,
PRBool aGenerateReflowCommands);
nsresult InsertBlockFrames(nsIPresContext& aPresContext,
nsIPresShell& aPresShell,
nsIFrame* aPrevFrame,
nsIFrame* aFrameList);
nsresult InsertInlineFrames(nsIPresContext& aPresContext,
nsIPresShell& aPresShell,
nsIFrame* aPrevFrame,
nsIFrame* aFrameList);
nsresult ReflowInlineFrames(nsIPresContext* aPresContext,
const nsHTMLReflowState& aReflowState,
InlineReflowState& rs,
nsHTMLReflowMetrics& aMetrics,
nsReflowStatus& aStatus);
nsresult ReflowFrames(nsIPresContext* aPresContext,
const nsHTMLReflowState& aReflowState,
InlineReflowState& rs,
nsHTMLReflowMetrics& aMetrics,
nsReflowStatus& aStatus);
nsresult ReflowInlineFrame(nsIPresContext* aPresContext,
const nsHTMLReflowState& aReflowState,
@ -158,29 +105,23 @@ protected:
nsIFrame* aFrame,
nsReflowStatus& aStatus);
virtual nsIFrame* PullInlineFrame(nsIPresContext* aPresContext,
InlineReflowState& rs,
PRBool* aIsComplete);
virtual nsIFrame* PullOneFrame(nsIPresContext* aPresContext,
InlineReflowState& rs,
PRBool* aIsComplete);
virtual void PushFrames(nsIPresContext* aPresContext,
nsIFrame* aFromChild,
nsIFrame* aPrevSibling);
virtual void DrainOverflow(nsIPresContext* aPresContext);
nsIFrame* PullAnyFrame(nsIPresContext* aPresContext, InlineReflowState& rs);
nsresult ReflowBlockFrame(nsIPresContext* aPresContext,
const nsHTMLReflowState& aReflowState,
InlineReflowState& rs,
nsHTMLReflowMetrics& aMetrics,
nsReflowStatus& aStatus);
};
//----------------------------------------------------------------------
// Variation on inline-frame used to manage lines for line layout in
// special situations.
/**
* Variation on inline-frame used to manage lines for line layout in
* special situations (:first-line style in particular).
*/
class nsFirstLineFrame : public nsInlineFrame {
public:
friend nsresult NS_NewFirstLineFrame(nsIFrame** aNewFrame);
@ -192,62 +133,20 @@ public:
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus);
#ifdef BLOCK_DOES_FIRST_LINE
// AppendFrames/InsertFrames/RemoveFrame are implemented to forward
// the method call to the parent frame.
#endif
NS_IMETHOD AppendFrames(nsIPresContext& aPresContext,
nsIPresShell& aPresShell,
nsIAtom* aListName,
nsIFrame* aFrameList);
NS_IMETHOD InsertFrames(nsIPresContext& aPresContext,
nsIPresShell& aPresShell,
nsIAtom* aListName,
nsIFrame* aPrevFrame,
nsIFrame* aFrameList);
NS_IMETHOD RemoveFrame(nsIPresContext& aPresContext,
nsIPresShell& aPresShell,
nsIAtom* aListName,
nsIFrame* aOldFrame);
#ifdef BLOCK_DOES_FIRST_LINE
// These methods are used by the parent frame to actually modify the
// child frames of the line frame. These methods do not generate
// reflow commands.
nsresult AppendFrames2(nsIPresContext* aPresContext,
nsIFrame* aFrameList);
nsresult InsertFrames2(nsIPresContext* aPresContext,
nsIFrame* aPrevFrame,
nsIFrame* aFrameList);
nsresult RemoveFrame2(nsIPresContext* aPresContext,
nsIFrame* aOldFrame);
#endif
// Take frames starting at aFrame until the end of the frame-list
// away from this frame. The caller is presumed to keep them alive.
void StealFramesFrom(nsIFrame* aFrame);
// Take all of the frames away from this frame. The caller is
// presumed to keep them alive.
void StealAllFrames() {
mFrames.SetFrames(nsnull);
}
protected:
nsFirstLineFrame();
virtual nsIFrame* PullInlineFrame(nsIPresContext* aPresContext,
InlineReflowState& rs,
PRBool* aIsComplete);
virtual nsIFrame* PullOneFrame(nsIPresContext* aPresContext,
InlineReflowState& rs,
PRBool* aIsComplete);
virtual void DrainOverflow(nsIPresContext* aPresContext);
};
extern nsresult NS_NewFirstLineFrame(nsIFrame** aNewFrame);
//----------------------------------------------------------------------
// Derived class created for relatively positioned inline-level elements

620
layout/html/base/src/nsBlockFrame.cpp
Просмотреть файл

@ -3746,21 +3746,12 @@ nsBlockFrame::ReflowInlineFrame(nsBlockReflowState& aState,
// line and don't stop the line reflow...
PRBool splitLine = !reflowingFirstLetter;
if (reflowingFirstLetter) {
#ifdef BLOCK_DOES_FIRST_LINE
if (aLine->IsFirstLine()) {
nsCOMPtr<nsIAtom> frameType;
aFrame->GetFrameType(getter_AddRefs(frameType));
if ((nsLayoutAtoms::inlineFrame == frameType.get()) ||
(nsLayoutAtoms::lineFrame == frameType.get())) {
splitLine = PR_TRUE;
}
else
#endif
{
nsIAtom* frameType;
if (NS_SUCCEEDED(aFrame->GetFrameType(&frameType)) && frameType) {
if (frameType == nsLayoutAtoms::inlineFrame) {
splitLine = PR_TRUE;
}
NS_RELEASE(frameType);
}
}
}
if (splitLine) {
@ -4281,100 +4272,6 @@ nsBlockFrame::LastChild()
return nsnull;
}
#ifdef BLOCK_DOES_FIRST_LINE
nsresult
nsBlockFrame::WrapFramesInFirstLineFrame(nsIPresContext* aPresContext)
{
nsLineBox* line = mLines;
if (!line) {
return NS_OK;
}
// Find the first and last inline line that has frames that aren't
// yet in the first-line-frame.
nsLineBox* prevLine = nsnull;
nsIFrame* firstInlineFrame = nsnull;
nsFirstLineFrame* lineFrame = nsnull;
nsIFrame* nextSib = nsnull;
nsresult rv = NS_OK;
while (line) {
if (line->IsBlock()) {
nextSib = line->mFirstChild;
break;
}
if (line->IsFirstLine()) {
NS_ASSERTION(1 == line->mChildCount, "bad first line");
lineFrame = (nsFirstLineFrame*) line->mFirstChild;
prevLine = line;
line = line->mNext;
}
else {
if (!firstInlineFrame) {
firstInlineFrame = line->mFirstChild;
}
if (prevLine) {
prevLine->mNext = line->mNext;
delete line;
line = prevLine->mNext;
}
else {
prevLine = line;
line = line->mNext;
}
}
}
if (!firstInlineFrame) {
// All of the inline frames are already where they should be
return NS_OK;
}
// Make the last inline frame thats going into the first-line-frame
// have no next sibling.
if (line) {
nsFrameList frames(firstInlineFrame);
nsIFrame* lastInlineFrame = frames.GetPrevSiblingFor(line->mFirstChild);
lastInlineFrame->SetNextSibling(nsnull);
}
// If there is no first-line-frame currently, we create it
if (!lineFrame) {
nsIStyleContext* firstLineStyle = GetFirstLineStyle(aPresContext);
// Create line frame
rv = NS_NewFirstLineFrame((nsIFrame**) &lineFrame);
if (NS_FAILED(rv)) {
return rv;
}
rv = lineFrame->Init(*aPresContext, mContent, this,
firstLineStyle, nsnull);
if (NS_FAILED(rv)) {
return rv;
}
line = mLines;
line->mFirstChild = lineFrame;
line->mChildCount = 1;
line->SetIsFirstLine(PR_TRUE);
NS_RELEASE(firstLineStyle);
}
// Connect last first-line-frame to the remaining frames
lineFrame->SetNextSibling(nextSib);
// Put the new children into the line-frame
lineFrame->AppendFrames2(aPresContext, firstInlineFrame);
// Mark the first-line frames dirty
line = mLines;
while (line && line->IsFirstLine()) {
line->MarkDirty();
line = line->mNext;
}
return rv;
}
#endif
NS_IMETHODIMP
nsBlockFrame::AppendFrames(nsIPresContext& aPresContext,
nsIPresShell& aPresShell,
@ -4399,14 +4296,6 @@ nsBlockFrame::AppendFrames(nsIPresContext& aPresContext,
nsLineBox* lastLine = nsLineBox::LastLine(mLines);
if (lastLine) {
lastKid = lastLine->LastChild();
#ifdef BLOCK_DOES_FIRST_LINE
if (lastLine->IsFirstLine()) {
// Get last frame in the nsFirstLineFrame
lastKid->FirstChild(nsnull, &lastKid);
nsFrameList frames(lastKid);
lastKid = frames.LastChild();
}
#endif
}
// Add frames after the last child
@ -4496,50 +4385,16 @@ nsBlockFrame::AddFrames(nsIPresContext* aPresContext,
nsLineBox* prevSibLine = nsnull;
PRInt32 prevSiblingIndex = -1;
if (aPrevSibling) {
#ifdef BLOCK_DOES_FIRST_LINE
// Its possible we have an nsFirstLineFrame managing some of our
// child frames. If we do and the AddFrames is targetted at it,
// use AddFirstLineFrames to get the frames properly placed.
nsIFrame* prevSiblingParent;
aPrevSibling->GetParent(&prevSiblingParent);
if (prevSiblingParent != this) {
// We are attempting an insert into a nsFirstLineFrame. Mark the
// first-line's dirty. Not exactly optimial, but it will
// guarantee a correct reflow.
nsLineBox* line = mLines;
while (line) {
if (!line->IsFirstLine()) {
break;
}
line->MarkDirty();
line = line->mNext;
}
return AddFirstLineFrames(aPresContext,
(nsFirstLineFrame*)prevSiblingParent,
aFrameList, aPrevSibling);
}
else
#endif
{
// Find the line that contains the previous sibling
prevSibLine = nsLineBox::FindLineContaining(mLines, aPrevSibling,
&prevSiblingIndex);
NS_ASSERTION(nsnull != prevSibLine, "prev sibling not in line list");
if (nsnull == prevSibLine) {
// Note: defensive code! FindLineContaining must not return
// null in this case, so if it does...
aPrevSibling = nsnull;
}
// Find the line that contains the previous sibling
prevSibLine = nsLineBox::FindLineContaining(mLines, aPrevSibling,
&prevSiblingIndex);
NS_ASSERTION(nsnull != prevSibLine, "prev sibling not in line list");
if (nsnull == prevSibLine) {
// Note: defensive code! FindLineContaining must not return
// null in this case, so if it does...
aPrevSibling = nsnull;
}
}
#ifdef BLOCK_DOES_FIRST_LINE
else if (mLines && mLines->IsFirstLine()) {
mLines->MarkDirty();
return AddFirstLineFrames(aPresContext,
(nsFirstLineFrame*)mLines->mFirstChild,
aFrameList, nsnull);
}
#endif
// Find the frame following aPrevSibling so that we can join up the
// two lists of frames.
@ -4609,151 +4464,12 @@ nsBlockFrame::AddFrames(nsIPresContext* aPresContext,
aPrevSibling->SetNextSibling(prevSiblingNextFrame);
}
#ifdef BLOCK_DOES_FIRST_LINE
// Fixup any frames that should be in a first-line frame but aren't
if ((NS_BLOCK_HAS_FIRST_LINE_STYLE & mState) &&
(nsnull != mLines) && !mLines->IsBlock()) {
// We just added one or more frame(s) to the first line.
WrapFramesInFirstLineFrame(aPresContext);
}
#endif
#ifdef DEBUG
VerifyLines(PR_TRUE);
#endif
return NS_OK;
}
#ifdef BLOCK_DOES_FIRST_LINE
nsresult
nsBlockFrame::AddFirstLineFrames(nsIPresContext* aPresContext,
nsFirstLineFrame* aLineFrame,
nsIFrame* aFrameList,
nsIFrame* aPrevSibling)
{
// The first run of inline frames being added always go into the
// line frame. If we hit a block frame then we need to chop the line
// frame into two pieces.
nsIFrame* frame = aFrameList;
nsIFrame* lastAddedFrame = frame;
nsIFrame* firstInlineFrame = nsnull;
PRInt32 pendingInlines = 0;
while (frame) {
if (nsLineLayout::TreatFrameAsBlock(frame)) {
// There are 3 cases. The block is going to the front of the
// line-frames children, in the middle or at the end.
if (aPrevSibling) {
nsIFrame* next;
aPrevSibling->GetNextSibling(&next);
// Take kids from the line frame starting at next.
nsIFrame* kids;
if (nsnull == next) {
// The block goes in front of aLineFrame's continuation, if
// it has one.
nsFirstLineFrame* nextLineFrame;
aLineFrame->GetNextInFlow((nsIFrame**) &nextLineFrame);
if (!nextLineFrame) {
// No continuation, therefore the block goes after aLineFrame
FixParentAndView(aPresContext, frame);
return AddFrames(aPresContext, frame, aLineFrame);
}
// Use nextLineFrame and take away all its kids
aLineFrame = nextLineFrame;
}
kids = TakeKidsFromLineFrame(aLineFrame, next);
// We will leave the line-frame and its continuations in
// place but mark the lines dirty so that they are reflowed
// and the empty line-frames (if any) are cleaned up.
nsLineBox* line = mLines;
nsIFrame* lastLineFrame = aLineFrame;
while (line && line->IsFirstLine()) {
line->MarkDirty();
lastLineFrame = line->mFirstChild;
line = line->mNext;
}
// Join the taken kids onto the *end* of the frames being
// added.
nsFrameList newFrames(frame);
newFrames.AppendFrames(this, kids);
FixParentAndView(aPresContext, frame);
return AddFrames(aPresContext, frame, lastLineFrame);
}
else {
// Block is trying to go to the front of the line frame (and
// therefore in front of all the line-frames children and its
// continuations children). Therefore, we don't need a line
// frame anymore.
nsIFrame* kids = TakeKidsFromLineFrame(aLineFrame, nsnull);
// Join the kids onto the end of the frames being added
nsFrameList newFrames(frame);
newFrames.AppendFrames(this, kids);
FixParentAndView(aPresContext, newFrames.FirstChild());
// Remove the line frame (and its continuations). This also
// removes the nsLineBox's that pointed to the line-frame. Do
// this after FixParentAndView because FixParentAndView needs
// a valid old-parent to work.
DoRemoveFrame(aPresContext, aLineFrame);
// Re-enter AddFrames, this time there won't be any first-line
// frames so we will use the normal path.
return AddFrames(aPresContext, newFrames.FirstChild(), nsnull);
}
}
else {
if (0 == pendingInlines) {
firstInlineFrame = frame;
}
pendingInlines++;
}
lastAddedFrame = frame;
frame->GetNextSibling(&frame);
}
// All of the frames being added are inline frames
if (pendingInlines) {
return aLineFrame->InsertFrames2(aPresContext, aPrevSibling, aFrameList);
}
return NS_OK;
}
nsIFrame*
nsBlockFrame::TakeKidsFromLineFrame(nsFirstLineFrame* aLineFrame,
nsIFrame* aFromKid)
{
nsFrameList kids;
nsIFrame* lastKid;
if (aFromKid) {
kids.SetFrames(aFromKid);
aLineFrame->RemoveFramesFrom(aFromKid);
}
else {
aLineFrame->FirstChild(nsnull, &lastKid);
kids.SetFrames(lastKid);
aLineFrame->RemoveAllFrames();
}
lastKid = kids.LastChild();
// Capture the next-in-flows kids as well.
for (;;) {
aLineFrame->GetNextInFlow((nsIFrame**) &aLineFrame);
if (!aLineFrame) {
break;
}
aLineFrame->FirstChild(nsnull, &aFromKid);
aLineFrame->RemoveAllFrames();
lastKid->SetNextSibling(aFromKid);
nsFrameList tmp(aFromKid);
lastKid = tmp.LastChild();
}
return kids.FirstChild();
}
#endif
void
nsBlockFrame::FixParentAndView(nsIPresContext* aPresContext, nsIFrame* aFrame)
@ -4834,15 +4550,6 @@ nsresult
nsBlockFrame::DoRemoveFrame(nsIPresContext* aPresContext,
nsIFrame* aDeletedFrame)
{
#ifdef BLOCK_DOES_FIRST_LINE
nsIFrame* parent;
aDeletedFrame->GetParent(&parent);
if (parent != this) {
return RemoveFirstLineFrame(aPresContext, (nsFirstLineFrame*)parent,
aDeletedFrame);
}
#endif
// Find the line and the previous sibling that contains
// deletedFrame; we also find the pointer to the line.
nsBlockFrame* flow = this;
@ -4878,9 +4585,7 @@ nsBlockFrame::DoRemoveFrame(nsIPresContext* aPresContext,
while (nsnull != aDeletedFrame) {
while ((nsnull != line) && (nsnull != aDeletedFrame)) {
#ifdef NS_DEBUG
#ifndef BLOCK_DOES_FIRST_LINE
nsIFrame* parent;
#endif
aDeletedFrame->GetParent(&parent);
NS_ASSERTION(flow == parent, "messed up delete code");
NS_ASSERTION(line->Contains(aDeletedFrame), "frame not in line");
@ -4990,60 +4695,12 @@ nsBlockFrame::DoRemoveFrame(nsIPresContext* aPresContext,
}
}
#ifdef BLOCK_DOES_FIRST_LINE
// Fixup any frames that should be in a first-line frame but aren't
if ((NS_BLOCK_HAS_FIRST_LINE_STYLE & mState) &&
(nsnull != mLines) && !mLines->IsBlock()) {
// We just added one or more frame(s) to the first line, or we
// removed a block that preceeded the first line.
WrapFramesInFirstLineFrame(aPresContext);
}
#endif
#ifdef DEBUG
VerifyLines(PR_TRUE);
#endif
return NS_OK;
}
#ifdef BLOCK_DOES_FIRST_LINE
nsresult
nsBlockFrame::RemoveFirstLineFrame(nsIPresContext* aPresContext,
nsFirstLineFrame* aLineFrame,
nsIFrame* aDeletedFrame)
{
// Strip deleted frame out of the nsFirstLineFrame
aLineFrame->RemoveFrame2(aPresContext, aDeletedFrame);
aDeletedFrame->Destroy(*aPresContext);
// See if the line-frame and its continuations are now empty
nsFirstLineFrame* lf = (nsFirstLineFrame*) aLineFrame->GetFirstInFlow();
nsFirstLineFrame* lf0 = lf;
PRBool empty = PR_TRUE;
while (lf) {
nsIFrame* kids;
lf->FirstChild(nsnull, &kids);
if (kids) {
empty = PR_FALSE;
break;
}
lf->GetNextInFlow((nsIFrame**) &lf);
}
if (empty) {
return DoRemoveFrame(aPresContext, lf0);
}
// Mark first-line lines dirty
nsLineBox* line = mLines;
while (line && line->IsFirstLine()) {
line->MarkDirty();
line = line->mNext;
}
return NS_OK;
}
#endif
void
nsBlockFrame::DeleteChildsNextInFlow(nsIPresContext& aPresContext,
nsIFrame* aChild)
@ -6108,18 +5765,6 @@ nsBlockFrame::GetFirstLetterStyle(nsIPresContext* aPresContext)
return fls;
}
#ifdef BLOCK_DOES_FIRST_LINE
nsIStyleContext*
nsBlockFrame::GetFirstLineStyle(nsIPresContext* aPresContext)
{
nsIStyleContext* fls;
aPresContext->ProbePseudoStyleContextFor(mContent,
nsHTMLAtoms::firstLinePseudo,
mStyleContext, PR_FALSE, &fls);
return fls;
}
#endif
NS_IMETHODIMP
nsBlockFrame::SetInitialChildList(nsIPresContext& aPresContext,
nsIAtom* aListName,
@ -6143,18 +5788,6 @@ nsBlockFrame::SetInitialChildList(nsIPresContext& aPresContext,
#endif
NS_RELEASE(firstLetterStyle);
}
#ifdef BLOCK_DOES_FIRST_LINE
nsIStyleContext* firstLineStyle = GetFirstLineStyle(&aPresContext);
if (nsnull != firstLineStyle) {
mState |= NS_BLOCK_HAS_FIRST_LINE_STYLE;
#ifdef NOISY_FIRST_LINE
ListTag(stdout);
printf(": first-line style found\n");
#endif
NS_RELEASE(firstLineStyle);
}
#endif
}
rv = AddFrames(&aPresContext, aChildList, nsnull);
@ -6448,15 +6081,7 @@ nsBlockFrame::ComputeTextRuns(nsIPresContext* aPresContext)
nsIFrame* frame = line->mFirstChild;
PRInt32 n = line->GetChildCount();
while (--n >= 0) {
nsresult rv = frame->FindTextRuns(textRunThingy);
if (NS_OK != rv) {
return rv;
}
else {
// A frame that doesn't implement nsIHTMLReflow isn't text
// therefore it will end an open text run.
textRunThingy.EndTextRun();
}
frame->FindTextRuns(textRunThingy);
frame->GetNextSibling(&frame);
}
}
@ -6474,210 +6099,6 @@ nsBlockFrame::ComputeTextRuns(nsIPresContext* aPresContext)
return NS_OK;
}
//----------------------------------------------------------------------
nsresult
NS_NewAnonymousBlockFrame(nsIFrame** aNewFrame)
{
NS_PRECONDITION(aNewFrame, "null OUT ptr");
if (nsnull == aNewFrame) {
return NS_ERROR_NULL_POINTER;
}
nsAnonymousBlockFrame* it = new nsAnonymousBlockFrame;
if (nsnull == it) {
return NS_ERROR_OUT_OF_MEMORY;
}
*aNewFrame = it;
return NS_OK;
}
nsAnonymousBlockFrame::nsAnonymousBlockFrame()
{
}
nsAnonymousBlockFrame::~nsAnonymousBlockFrame()
{
}
NS_IMETHODIMP
nsAnonymousBlockFrame::AppendFrames(nsIPresContext& aPresContext,
nsIPresShell& aPresShell,
nsIAtom* aListName,
nsIFrame* aFrameList)
{
return mParent->AppendFrames(aPresContext, aPresShell, aListName,
aFrameList);
}
NS_IMETHODIMP
nsAnonymousBlockFrame::InsertFrames(nsIPresContext& aPresContext,
nsIPresShell& aPresShell,
nsIAtom* aListName,
nsIFrame* aPrevFrame,
nsIFrame* aFrameList)
{
return mParent->InsertFrames(aPresContext, aPresShell, aListName,
aPrevFrame, aFrameList);
}
NS_IMETHODIMP
nsAnonymousBlockFrame::RemoveFrame(nsIPresContext& aPresContext,
nsIPresShell& aPresShell,
nsIAtom* aListName,
nsIFrame* aOldFrame)
{
return mParent->RemoveFrame(aPresContext, aPresShell, aListName,
aOldFrame);
}
nsresult
nsAnonymousBlockFrame::AppendFrames2(nsIPresContext* aPresContext,
nsIPresShell* aPresShell,
nsIAtom* aListName,
nsIFrame* aFrameList)
{
return nsAnonymousBlockFrameSuper::AppendFrames(*aPresContext, *aPresShell,
aListName, aFrameList);
}
nsresult
nsAnonymousBlockFrame::InsertFrames2(nsIPresContext* aPresContext,
nsIPresShell* aPresShell,
nsIAtom* aListName,
nsIFrame* aPrevFrame,
nsIFrame* aFrameList)
{
return nsAnonymousBlockFrameSuper::InsertFrames(*aPresContext, *aPresShell,
aListName, aPrevFrame,
aFrameList);
}
nsresult
nsAnonymousBlockFrame::RemoveFrame2(nsIPresContext* aPresContext,
nsIPresShell* aPresShell,
nsIAtom* aListName,
nsIFrame* aOldFrame)
{
return nsAnonymousBlockFrameSuper::RemoveFrame(*aPresContext, *aPresShell,
aListName, aOldFrame);
}
void
nsAnonymousBlockFrame::RemoveFirstFrame()
{
nsLineBox* line = mLines;
if (nsnull != line) {
nsIFrame* firstChild = line->mFirstChild;
#if XXX
// If the line has floaters on it, see if the frame being removed
// is a placeholder frame. If it is, then remove it from the lines
// floater array and from the block frames floater child list.
if (line->mFloaters.NotEmpty()) {
// XXX UNTESTED!
nsPlaceholderFrame* placeholderFrame;
nsVoidArray& floaters = *line->mFloaters;
PRInt32 i, n = floaters.Count();
for (i = 0; i < n; i++) {
placeholderFrame = (nsPlaceholderFrame*) floaters[i];
if (firstChild == placeholderFrame) {
// Remove placeholder from the line's floater array
floaters.RemoveElementAt(i);
if (0 == floaters.Count()) {
delete line->mFloaters;
line->mFloaters = nsnull;
}
// Remove the floater from the block frames mFloaters list too
mFloaters.RemoveFrame(placeholderFrame->GetOutOfFlowFrame());
break;
}
}
}
#endif
PRInt32 lineChildCount = line->GetChildCount();
if (1 == lineChildCount) {
// Remove line when last frame goes away
mLines = line->mNext;
delete line;
}
else {
// Remove frame from line and mark the line dirty
line->SetChildCount(lineChildCount - 1);
line->MarkDirty();
firstChild->GetNextSibling(&line->mFirstChild);
}
// Break linkage to next child after stolen frame
firstChild->SetNextSibling(nsnull);
}
#ifdef DEBUG
VerifyLines(PR_TRUE);
#endif
}
void
nsAnonymousBlockFrame::RemoveFramesFrom(nsIFrame* aFrame)
{
nsLineBox* line = mLines;
if (nsnull != line) {
// Chop the child sibling list into two pieces
nsFrameList tmp(line->mFirstChild);
nsIFrame* prevSibling = tmp.GetPrevSiblingFor(aFrame);
if (nsnull != prevSibling) {
// Chop the sibling list into two pieces
prevSibling->SetNextSibling(nsnull);
nsLineBox* prevLine = nsnull;
while (nsnull != line) {
nsIFrame* frame = line->mFirstChild;
PRInt32 i, n = line->GetChildCount();
PRBool done = PR_FALSE;
for (i = 0; i < n; i++) {
if (frame == aFrame) {
// We just found the target frame (and the line its in and
// the previous line)
if (frame == line->mFirstChild) {
// No more children on this line, so let it get removed
prevLine->mNext = nsnull;
}
else {
// The only frames that remain on this line are the
// frames preceeding aFrame. Adjust the count to
// indicate that fact.
line->SetChildCount(i);
// Remove the lines that follow this line
prevLine = line;
line = line->mNext;
prevLine->mNext = nsnull;
}
done = PR_TRUE;
break;
}
frame->GetNextSibling(&frame);
}
if (done) {
break;
}
prevLine = line;
line = line->mNext;
}
}
// Remove all of the remaining lines
while (nsnull != line) {
nsLineBox* next = line->mNext;
delete line;
line = next;
}
}
#ifdef DEBUG
VerifyLines(PR_TRUE);
#endif
}
#ifdef DEBUG
void
nsBlockFrame::VerifyLines(PRBool aFinalCheckOK)
@ -6700,24 +6121,9 @@ nsBlockFrame::VerifyLines(PRBool aFinalCheckOK)
if (line->IsBlock()) {
seenBlock = PR_TRUE;
}
#ifdef BLOCK_DOES_FIRST_LINE
if (line->IsFirstLine()) {
NS_ASSERTION(1 == line->GetChildCount(), "bad first line");
}
#endif
if (line->IsBlock()) {
NS_ASSERTION(1 == line->GetChildCount(), "bad first line");
}
#ifdef BLOCK_DOES_FIRST_LINE
if (NS_BLOCK_HAS_FIRST_LINE_STYLE & mState) {
if (seenBlock) {
NS_ASSERTION(!line->IsFirstLine(), "bad first line");
}
else {
NS_ASSERTION(line->IsFirstLine(), "bad first line");
}
}
#endif
}
count += line->GetChildCount();
line = line->mNext;

90
layout/html/base/src/nsBlockFrame.h
Просмотреть файл

@ -40,9 +40,6 @@ class nsFirstLineFrame;
*/
#define NS_BLOCK_FRAME_HAS_OUTSIDE_BULLET 0x80000000
#define NS_BLOCK_IS_HTML_PARAGRAPH 0x40000000
#ifdef BLOCK_DOES_FIRST_LINE
#define NS_BLOCK_HAS_FIRST_LINE_STYLE 0x20000000
#endif
#define NS_BLOCK_HAS_FIRST_LETTER_STYLE 0x10000000
#define nsBlockFrameSuper nsHTMLContainerFrame
@ -146,10 +143,6 @@ protected:
nsIStyleContext* GetFirstLetterStyle(nsIPresContext* aPresContext);
#ifdef BLOCK_DOES_FIRST_LINE
nsIStyleContext* GetFirstLineStyle(nsIPresContext* aPresContext);
#endif
void SetFlags(PRUint32 aFlags) {
mFlags = aFlags;
}
@ -173,22 +166,6 @@ protected:
nsIFrame* aFrameList,
nsIFrame* aPrevSibling);
#ifdef BLOCK_DOES_FIRST_LINE
nsresult AddFirstLineFrames(nsIPresContext* aPresContext,
nsFirstLineFrame* aLineFrame,
nsIFrame* aFrameList,
nsIFrame* aPrevSibling);
nsIFrame* TakeKidsFromLineFrame(nsFirstLineFrame* aLineFrame,
nsIFrame* aFromKid);
nsresult RemoveFirstLineFrame(nsIPresContext* aPresContext,
nsFirstLineFrame* aLineFrame,
nsIFrame* aDeletedFrame);
nsresult WrapFramesInFirstLineFrame(nsIPresContext* aPresContext);
#endif
void FixParentAndView(nsIPresContext* aPresContext, nsIFrame* aFrame);
nsresult DoRemoveFrame(nsIPresContext* aPresContext,
@ -381,72 +358,5 @@ protected:
friend class nsBlockReflowState;
};
//----------------------------------------------------------------------
#define nsAnonymousBlockFrameSuper nsBlockFrame
// Anonymous block frame. An anonymous block is used by some other
// container (the parent frame) to provide block reflow for a set of
// child frames. The parent is responsible for the maintainance of the
// anonymous blocks child list. To accomplish this, the normal methods
// for managing the child list (AppendFrames, InsertFrames, and
// RemoveFrame) forward the operation to the parent frame (the
// container of the anonymous block).
class nsAnonymousBlockFrame : public nsAnonymousBlockFrameSuper {
public:
friend nsresult NS_NewAnonymousBlockFrame(nsIFrame** aNewFrame);
// nsIFrame overrides
// AppendFrames/InsertFrames/RemoveFrame are implemented to forward
// the method call to the parent frame.
NS_IMETHOD AppendFrames(nsIPresContext& aPresContext,
nsIPresShell& aPresShell,
nsIAtom* aListName,
nsIFrame* aFrameList);
NS_IMETHOD InsertFrames(nsIPresContext& aPresContext,
nsIPresShell& aPresShell,
nsIAtom* aListName,
nsIFrame* aPrevFrame,
nsIFrame* aFrameList);
NS_IMETHOD RemoveFrame(nsIPresContext& aPresContext,
nsIPresShell& aPresShell,
nsIAtom* aListName,
nsIFrame* aOldFrame);
// These methods are used by the parent frame to actually modify the
// child frames of the anonymous block frame.
nsresult AppendFrames2(nsIPresContext* aPresContext,
nsIPresShell* aPresShell,
nsIAtom* aListName,
nsIFrame* aFrameList);
nsresult InsertFrames2(nsIPresContext* aPresContext,
nsIPresShell* aPresShell,
nsIAtom* aListName,
nsIFrame* aPrevFrame,
nsIFrame* aFrameList);
nsresult RemoveFrame2(nsIPresContext* aPresContext,
nsIPresShell* aPresShell,
nsIAtom* aListName,
nsIFrame* aOldFrame);
// Take the first frame away from the anonymous block frame. The
// caller is responsible for the first frames final disposition
// (e.g. deleting it if it wants to).
void RemoveFirstFrame();
// Remove from the blocks list of children the frames starting at
// aFrame until the end of the child list. The caller is responsible
// for the first frames final disposition (e.g. deleting it if it
// wants to).
void RemoveFramesFrom(nsIFrame* aFrame);
protected:
nsAnonymousBlockFrame();
~nsAnonymousBlockFrame();
};
#endif /* nsBlockFrame_h___ */

620
layout/html/base/src/nsBlockReflowState.cpp
Просмотреть файл

@ -3746,21 +3746,12 @@ nsBlockFrame::ReflowInlineFrame(nsBlockReflowState& aState,
// line and don't stop the line reflow...
PRBool splitLine = !reflowingFirstLetter;
if (reflowingFirstLetter) {
#ifdef BLOCK_DOES_FIRST_LINE
if (aLine->IsFirstLine()) {
nsCOMPtr<nsIAtom> frameType;
aFrame->GetFrameType(getter_AddRefs(frameType));
if ((nsLayoutAtoms::inlineFrame == frameType.get()) ||
(nsLayoutAtoms::lineFrame == frameType.get())) {
splitLine = PR_TRUE;
}
else
#endif
{
nsIAtom* frameType;
if (NS_SUCCEEDED(aFrame->GetFrameType(&frameType)) && frameType) {
if (frameType == nsLayoutAtoms::inlineFrame) {
splitLine = PR_TRUE;
}
NS_RELEASE(frameType);
}
}
}
if (splitLine) {
@ -4281,100 +4272,6 @@ nsBlockFrame::LastChild()
return nsnull;
}
#ifdef BLOCK_DOES_FIRST_LINE
nsresult
nsBlockFrame::WrapFramesInFirstLineFrame(nsIPresContext* aPresContext)
{
nsLineBox* line = mLines;
if (!line) {
return NS_OK;
}
// Find the first and last inline line that has frames that aren't
// yet in the first-line-frame.
nsLineBox* prevLine = nsnull;
nsIFrame* firstInlineFrame = nsnull;
nsFirstLineFrame* lineFrame = nsnull;
nsIFrame* nextSib = nsnull;
nsresult rv = NS_OK;
while (line) {
if (line->IsBlock()) {
nextSib = line->mFirstChild;
break;
}
if (line->IsFirstLine()) {
NS_ASSERTION(1 == line->mChildCount, "bad first line");
lineFrame = (nsFirstLineFrame*) line->mFirstChild;
prevLine = line;
line = line->mNext;
}
else {
if (!firstInlineFrame) {
firstInlineFrame = line->mFirstChild;
}
if (prevLine) {
prevLine->mNext = line->mNext;
delete line;
line = prevLine->mNext;
}
else {
prevLine = line;
line = line->mNext;
}
}
}
if (!firstInlineFrame) {
// All of the inline frames are already where they should be
return NS_OK;
}
// Make the last inline frame thats going into the first-line-frame
// have no next sibling.
if (line) {
nsFrameList frames(firstInlineFrame);
nsIFrame* lastInlineFrame = frames.GetPrevSiblingFor(line->mFirstChild);
lastInlineFrame->SetNextSibling(nsnull);
}
// If there is no first-line-frame currently, we create it
if (!lineFrame) {
nsIStyleContext* firstLineStyle = GetFirstLineStyle(aPresContext);
// Create line frame
rv = NS_NewFirstLineFrame((nsIFrame**) &lineFrame);
if (NS_FAILED(rv)) {
return rv;
}
rv = lineFrame->Init(*aPresContext, mContent, this,
firstLineStyle, nsnull);
if (NS_FAILED(rv)) {
return rv;
}
line = mLines;
line->mFirstChild = lineFrame;
line->mChildCount = 1;
line->SetIsFirstLine(PR_TRUE);
NS_RELEASE(firstLineStyle);
}
// Connect last first-line-frame to the remaining frames
lineFrame->SetNextSibling(nextSib);
// Put the new children into the line-frame
lineFrame->AppendFrames2(aPresContext, firstInlineFrame);
// Mark the first-line frames dirty
line = mLines;
while (line && line->IsFirstLine()) {
line->MarkDirty();
line = line->mNext;
}
return rv;
}
#endif
NS_IMETHODIMP
nsBlockFrame::AppendFrames(nsIPresContext& aPresContext,
nsIPresShell& aPresShell,
@ -4399,14 +4296,6 @@ nsBlockFrame::AppendFrames(nsIPresContext& aPresContext,
nsLineBox* lastLine = nsLineBox::LastLine(mLines);
if (lastLine) {
lastKid = lastLine->LastChild();
#ifdef BLOCK_DOES_FIRST_LINE
if (lastLine->IsFirstLine()) {
// Get last frame in the nsFirstLineFrame
lastKid->FirstChild(nsnull, &lastKid);
nsFrameList frames(lastKid);
lastKid = frames.LastChild();
}
#endif
}
// Add frames after the last child
@ -4496,50 +4385,16 @@ nsBlockFrame::AddFrames(nsIPresContext* aPresContext,
nsLineBox* prevSibLine = nsnull;
PRInt32 prevSiblingIndex = -1;
if (aPrevSibling) {
#ifdef BLOCK_DOES_FIRST_LINE
// Its possible we have an nsFirstLineFrame managing some of our
// child frames. If we do and the AddFrames is targetted at it,
// use AddFirstLineFrames to get the frames properly placed.
nsIFrame* prevSiblingParent;
aPrevSibling->GetParent(&prevSiblingParent);
if (prevSiblingParent != this) {
// We are attempting an insert into a nsFirstLineFrame. Mark the
// first-line's dirty. Not exactly optimial, but it will
// guarantee a correct reflow.
nsLineBox* line = mLines;
while (line) {
if (!line->IsFirstLine()) {
break;
}
line->MarkDirty();
line = line->mNext;
}
return AddFirstLineFrames(aPresContext,
(nsFirstLineFrame*)prevSiblingParent,
aFrameList, aPrevSibling);
}
else
#endif
{
// Find the line that contains the previous sibling
prevSibLine = nsLineBox::FindLineContaining(mLines, aPrevSibling,
&prevSiblingIndex);
NS_ASSERTION(nsnull != prevSibLine, "prev sibling not in line list");
if (nsnull == prevSibLine) {
// Note: defensive code! FindLineContaining must not return
// null in this case, so if it does...
aPrevSibling = nsnull;
}
// Find the line that contains the previous sibling
prevSibLine = nsLineBox::FindLineContaining(mLines, aPrevSibling,
&prevSiblingIndex);
NS_ASSERTION(nsnull != prevSibLine, "prev sibling not in line list");
if (nsnull == prevSibLine) {
// Note: defensive code! FindLineContaining must not return
// null in this case, so if it does...
aPrevSibling = nsnull;
}
}
#ifdef BLOCK_DOES_FIRST_LINE
else if (mLines && mLines->IsFirstLine()) {
mLines->MarkDirty();
return AddFirstLineFrames(aPresContext,
(nsFirstLineFrame*)mLines->mFirstChild,
aFrameList, nsnull);
}
#endif
// Find the frame following aPrevSibling so that we can join up the
// two lists of frames.
@ -4609,151 +4464,12 @@ nsBlockFrame::AddFrames(nsIPresContext* aPresContext,
aPrevSibling->SetNextSibling(prevSiblingNextFrame);
}
#ifdef BLOCK_DOES_FIRST_LINE
// Fixup any frames that should be in a first-line frame but aren't
if ((NS_BLOCK_HAS_FIRST_LINE_STYLE & mState) &&
(nsnull != mLines) && !mLines->IsBlock()) {
// We just added one or more frame(s) to the first line.
WrapFramesInFirstLineFrame(aPresContext);
}
#endif
#ifdef DEBUG
VerifyLines(PR_TRUE);
#endif
return NS_OK;
}
#ifdef BLOCK_DOES_FIRST_LINE
nsresult
nsBlockFrame::AddFirstLineFrames(nsIPresContext* aPresContext,
nsFirstLineFrame* aLineFrame,
nsIFrame* aFrameList,
nsIFrame* aPrevSibling)
{
// The first run of inline frames being added always go into the
// line frame. If we hit a block frame then we need to chop the line
// frame into two pieces.
nsIFrame* frame = aFrameList;
nsIFrame* lastAddedFrame = frame;
nsIFrame* firstInlineFrame = nsnull;
PRInt32 pendingInlines = 0;
while (frame) {
if (nsLineLayout::TreatFrameAsBlock(frame)) {
// There are 3 cases. The block is going to the front of the
// line-frames children, in the middle or at the end.
if (aPrevSibling) {
nsIFrame* next;
aPrevSibling->GetNextSibling(&next);
// Take kids from the line frame starting at next.
nsIFrame* kids;
if (nsnull == next) {
// The block goes in front of aLineFrame's continuation, if
// it has one.
nsFirstLineFrame* nextLineFrame;
aLineFrame->GetNextInFlow((nsIFrame**) &nextLineFrame);
if (!nextLineFrame) {
// No continuation, therefore the block goes after aLineFrame
FixParentAndView(aPresContext, frame);
return AddFrames(aPresContext, frame, aLineFrame);
}
// Use nextLineFrame and take away all its kids
aLineFrame = nextLineFrame;
}
kids = TakeKidsFromLineFrame(aLineFrame, next);
// We will leave the line-frame and its continuations in
// place but mark the lines dirty so that they are reflowed
// and the empty line-frames (if any) are cleaned up.
nsLineBox* line = mLines;
nsIFrame* lastLineFrame = aLineFrame;
while (line && line->IsFirstLine()) {
line->MarkDirty();
lastLineFrame = line->mFirstChild;
line = line->mNext;
}
// Join the taken kids onto the *end* of the frames being
// added.
nsFrameList newFrames(frame);
newFrames.AppendFrames(this, kids);
FixParentAndView(aPresContext, frame);
return AddFrames(aPresContext, frame, lastLineFrame);
}
else {
// Block is trying to go to the front of the line frame (and
// therefore in front of all the line-frames children and its
// continuations children). Therefore, we don't need a line
// frame anymore.
nsIFrame* kids = TakeKidsFromLineFrame(aLineFrame, nsnull);
// Join the kids onto the end of the frames being added
nsFrameList newFrames(frame);
newFrames.AppendFrames(this, kids);
FixParentAndView(aPresContext, newFrames.FirstChild());
// Remove the line frame (and its continuations). This also
// removes the nsLineBox's that pointed to the line-frame. Do
// this after FixParentAndView because FixParentAndView needs
// a valid old-parent to work.
DoRemoveFrame(aPresContext, aLineFrame);
// Re-enter AddFrames, this time there won't be any first-line
// frames so we will use the normal path.
return AddFrames(aPresContext, newFrames.FirstChild(), nsnull);
}
}
else {
if (0 == pendingInlines) {
firstInlineFrame = frame;
}
pendingInlines++;
}
lastAddedFrame = frame;
frame->GetNextSibling(&frame);
}
// All of the frames being added are inline frames
if (pendingInlines) {
return aLineFrame->InsertFrames2(aPresContext, aPrevSibling, aFrameList);
}
return NS_OK;
}
nsIFrame*
nsBlockFrame::TakeKidsFromLineFrame(nsFirstLineFrame* aLineFrame,
nsIFrame* aFromKid)
{
nsFrameList kids;
nsIFrame* lastKid;
if (aFromKid) {
kids.SetFrames(aFromKid);
aLineFrame->RemoveFramesFrom(aFromKid);
}
else {
aLineFrame->FirstChild(nsnull, &lastKid);
kids.SetFrames(lastKid);
aLineFrame->RemoveAllFrames();
}
lastKid = kids.LastChild();
// Capture the next-in-flows kids as well.
for (;;) {
aLineFrame->GetNextInFlow((nsIFrame**) &aLineFrame);
if (!aLineFrame) {
break;
}
aLineFrame->FirstChild(nsnull, &aFromKid);
aLineFrame->RemoveAllFrames();
lastKid->SetNextSibling(aFromKid);
nsFrameList tmp(aFromKid);
lastKid = tmp.LastChild();
}
return kids.FirstChild();
}
#endif
void
nsBlockFrame::FixParentAndView(nsIPresContext* aPresContext, nsIFrame* aFrame)
@ -4834,15 +4550,6 @@ nsresult
nsBlockFrame::DoRemoveFrame(nsIPresContext* aPresContext,
nsIFrame* aDeletedFrame)
{
#ifdef BLOCK_DOES_FIRST_LINE
nsIFrame* parent;
aDeletedFrame->GetParent(&parent);
if (parent != this) {
return RemoveFirstLineFrame(aPresContext, (nsFirstLineFrame*)parent,
aDeletedFrame);
}
#endif
// Find the line and the previous sibling that contains
// deletedFrame; we also find the pointer to the line.
nsBlockFrame* flow = this;
@ -4878,9 +4585,7 @@ nsBlockFrame::DoRemoveFrame(nsIPresContext* aPresContext,
while (nsnull != aDeletedFrame) {
while ((nsnull != line) && (nsnull != aDeletedFrame)) {
#ifdef NS_DEBUG
#ifndef BLOCK_DOES_FIRST_LINE
nsIFrame* parent;
#endif
aDeletedFrame->GetParent(&parent);
NS_ASSERTION(flow == parent, "messed up delete code");
NS_ASSERTION(line->Contains(aDeletedFrame), "frame not in line");
@ -4990,60 +4695,12 @@ nsBlockFrame::DoRemoveFrame(nsIPresContext* aPresContext,
}
}
#ifdef BLOCK_DOES_FIRST_LINE
// Fixup any frames that should be in a first-line frame but aren't
if ((NS_BLOCK_HAS_FIRST_LINE_STYLE & mState) &&
(nsnull != mLines) && !mLines->IsBlock()) {
// We just added one or more frame(s) to the first line, or we
// removed a block that preceeded the first line.
WrapFramesInFirstLineFrame(aPresContext);
}
#endif
#ifdef DEBUG
VerifyLines(PR_TRUE);
#endif
return NS_OK;
}
#ifdef BLOCK_DOES_FIRST_LINE
nsresult
nsBlockFrame::RemoveFirstLineFrame(nsIPresContext* aPresContext,
nsFirstLineFrame* aLineFrame,
nsIFrame* aDeletedFrame)
{
// Strip deleted frame out of the nsFirstLineFrame
aLineFrame->RemoveFrame2(aPresContext, aDeletedFrame);
aDeletedFrame->Destroy(*aPresContext);
// See if the line-frame and its continuations are now empty
nsFirstLineFrame* lf = (nsFirstLineFrame*) aLineFrame->GetFirstInFlow();
nsFirstLineFrame* lf0 = lf;
PRBool empty = PR_TRUE;
while (lf) {
nsIFrame* kids;
lf->FirstChild(nsnull, &kids);
if (kids) {
empty = PR_FALSE;
break;
}
lf->GetNextInFlow((nsIFrame**) &lf);
}
if (empty) {
return DoRemoveFrame(aPresContext, lf0);
}
// Mark first-line lines dirty
nsLineBox* line = mLines;
while (line && line->IsFirstLine()) {
line->MarkDirty();
line = line->mNext;
}
return NS_OK;
}
#endif
void
nsBlockFrame::DeleteChildsNextInFlow(nsIPresContext& aPresContext,
nsIFrame* aChild)
@ -6108,18 +5765,6 @@ nsBlockFrame::GetFirstLetterStyle(nsIPresContext* aPresContext)
return fls;
}
#ifdef BLOCK_DOES_FIRST_LINE
nsIStyleContext*
nsBlockFrame::GetFirstLineStyle(nsIPresContext* aPresContext)
{
nsIStyleContext* fls;
aPresContext->ProbePseudoStyleContextFor(mContent,
nsHTMLAtoms::firstLinePseudo,
mStyleContext, PR_FALSE, &fls);
return fls;
}
#endif
NS_IMETHODIMP
nsBlockFrame::SetInitialChildList(nsIPresContext& aPresContext,
nsIAtom* aListName,
@ -6143,18 +5788,6 @@ nsBlockFrame::SetInitialChildList(nsIPresContext& aPresContext,
#endif
NS_RELEASE(firstLetterStyle);
}
#ifdef BLOCK_DOES_FIRST_LINE
nsIStyleContext* firstLineStyle = GetFirstLineStyle(&aPresContext);
if (nsnull != firstLineStyle) {
mState |= NS_BLOCK_HAS_FIRST_LINE_STYLE;
#ifdef NOISY_FIRST_LINE
ListTag(stdout);
printf(": first-line style found\n");
#endif
NS_RELEASE(firstLineStyle);
}
#endif
}
rv = AddFrames(&aPresContext, aChildList, nsnull);
@ -6448,15 +6081,7 @@ nsBlockFrame::ComputeTextRuns(nsIPresContext* aPresContext)
nsIFrame* frame = line->mFirstChild;
PRInt32 n = line->GetChildCount();
while (--n >= 0) {
nsresult rv = frame->FindTextRuns(textRunThingy);
if (NS_OK != rv) {
return rv;
}
else {
// A frame that doesn't implement nsIHTMLReflow isn't text
// therefore it will end an open text run.
textRunThingy.EndTextRun();
}
frame->FindTextRuns(textRunThingy);
frame->GetNextSibling(&frame);
}
}
@ -6474,210 +6099,6 @@ nsBlockFrame::ComputeTextRuns(nsIPresContext* aPresContext)
return NS_OK;
}
//----------------------------------------------------------------------
nsresult
NS_NewAnonymousBlockFrame(nsIFrame** aNewFrame)
{
NS_PRECONDITION(aNewFrame, "null OUT ptr");
if (nsnull == aNewFrame) {
return NS_ERROR_NULL_POINTER;
}
nsAnonymousBlockFrame* it = new nsAnonymousBlockFrame;
if (nsnull == it) {
return NS_ERROR_OUT_OF_MEMORY;
}
*aNewFrame = it;
return NS_OK;
}
nsAnonymousBlockFrame::nsAnonymousBlockFrame()
{
}
nsAnonymousBlockFrame::~nsAnonymousBlockFrame()
{
}
NS_IMETHODIMP
nsAnonymousBlockFrame::AppendFrames(nsIPresContext& aPresContext,
nsIPresShell& aPresShell,
nsIAtom* aListName,
nsIFrame* aFrameList)
{
return mParent->AppendFrames(aPresContext, aPresShell, aListName,
aFrameList);
}
NS_IMETHODIMP
nsAnonymousBlockFrame::InsertFrames(nsIPresContext& aPresContext,
nsIPresShell& aPresShell,
nsIAtom* aListName,
nsIFrame* aPrevFrame,
nsIFrame* aFrameList)
{
return mParent->InsertFrames(aPresContext, aPresShell, aListName,
aPrevFrame, aFrameList);
}
NS_IMETHODIMP
nsAnonymousBlockFrame::RemoveFrame(nsIPresContext& aPresContext,
nsIPresShell& aPresShell,
nsIAtom* aListName,
nsIFrame* aOldFrame)
{
return mParent->RemoveFrame(aPresContext, aPresShell, aListName,
aOldFrame);
}
nsresult
nsAnonymousBlockFrame::AppendFrames2(nsIPresContext* aPresContext,
nsIPresShell* aPresShell,
nsIAtom* aListName,
nsIFrame* aFrameList)
{
return nsAnonymousBlockFrameSuper::AppendFrames(*aPresContext, *aPresShell,
aListName, aFrameList);
}
nsresult
nsAnonymousBlockFrame::InsertFrames2(nsIPresContext* aPresContext,
nsIPresShell* aPresShell,
nsIAtom* aListName,
nsIFrame* aPrevFrame,
nsIFrame* aFrameList)
{
return nsAnonymousBlockFrameSuper::InsertFrames(*aPresContext, *aPresShell,
aListName, aPrevFrame,
aFrameList);
}
nsresult
nsAnonymousBlockFrame::RemoveFrame2(nsIPresContext* aPresContext,
nsIPresShell* aPresShell,
nsIAtom* aListName,
nsIFrame* aOldFrame)
{
return nsAnonymousBlockFrameSuper::RemoveFrame(*aPresContext, *aPresShell,
aListName, aOldFrame);
}
void
nsAnonymousBlockFrame::RemoveFirstFrame()
{
nsLineBox* line = mLines;
if (nsnull != line) {
nsIFrame* firstChild = line->mFirstChild;
#if XXX
// If the line has floaters on it, see if the frame being removed
// is a placeholder frame. If it is, then remove it from the lines
// floater array and from the block frames floater child list.
if (line->mFloaters.NotEmpty()) {
// XXX UNTESTED!
nsPlaceholderFrame* placeholderFrame;
nsVoidArray& floaters = *line->mFloaters;
PRInt32 i, n = floaters.Count();
for (i = 0; i < n; i++) {
placeholderFrame = (nsPlaceholderFrame*) floaters[i];
if (firstChild == placeholderFrame) {
// Remove placeholder from the line's floater array
floaters.RemoveElementAt(i);
if (0 == floaters.Count()) {
delete line->mFloaters;
line->mFloaters = nsnull;
}
// Remove the floater from the block frames mFloaters list too
mFloaters.RemoveFrame(placeholderFrame->GetOutOfFlowFrame());
break;
}
}
}
#endif
PRInt32 lineChildCount = line->GetChildCount();
if (1 == lineChildCount) {
// Remove line when last frame goes away
mLines = line->mNext;
delete line;
}
else {
// Remove frame from line and mark the line dirty
line->SetChildCount(lineChildCount - 1);
line->MarkDirty();
firstChild->GetNextSibling(&line->mFirstChild);
}
// Break linkage to next child after stolen frame
firstChild->SetNextSibling(nsnull);
}
#ifdef DEBUG
VerifyLines(PR_TRUE);
#endif
}
void
nsAnonymousBlockFrame::RemoveFramesFrom(nsIFrame* aFrame)
{
nsLineBox* line = mLines;
if (nsnull != line) {
// Chop the child sibling list into two pieces
nsFrameList tmp(line->mFirstChild);
nsIFrame* prevSibling = tmp.GetPrevSiblingFor(aFrame);
if (nsnull != prevSibling) {
// Chop the sibling list into two pieces
prevSibling->SetNextSibling(nsnull);
nsLineBox* prevLine = nsnull;
while (nsnull != line) {
nsIFrame* frame = line->mFirstChild;
PRInt32 i, n = line->GetChildCount();
PRBool done = PR_FALSE;
for (i = 0; i < n; i++) {
if (frame == aFrame) {
// We just found the target frame (and the line its in and
// the previous line)
if (frame == line->mFirstChild) {
// No more children on this line, so let it get removed
prevLine->mNext = nsnull;
}
else {
// The only frames that remain on this line are the
// frames preceeding aFrame. Adjust the count to
// indicate that fact.
line->SetChildCount(i);
// Remove the lines that follow this line
prevLine = line;
line = line->mNext;
prevLine->mNext = nsnull;
}
done = PR_TRUE;
break;
}
frame->GetNextSibling(&frame);
}
if (done) {
break;
}
prevLine = line;
line = line->mNext;
}
}
// Remove all of the remaining lines
while (nsnull != line) {
nsLineBox* next = line->mNext;
delete line;
line = next;
}
}
#ifdef DEBUG
VerifyLines(PR_TRUE);
#endif
}
#ifdef DEBUG
void
nsBlockFrame::VerifyLines(PRBool aFinalCheckOK)
@ -6700,24 +6121,9 @@ nsBlockFrame::VerifyLines(PRBool aFinalCheckOK)
if (line->IsBlock()) {
seenBlock = PR_TRUE;
}
#ifdef BLOCK_DOES_FIRST_LINE
if (line->IsFirstLine()) {
NS_ASSERTION(1 == line->GetChildCount(), "bad first line");
}
#endif
if (line->IsBlock()) {
NS_ASSERTION(1 == line->GetChildCount(), "bad first line");
}
#ifdef BLOCK_DOES_FIRST_LINE
if (NS_BLOCK_HAS_FIRST_LINE_STYLE & mState) {
if (seenBlock) {
NS_ASSERTION(!line->IsFirstLine(), "bad first line");
}
else {
NS_ASSERTION(line->IsFirstLine(), "bad first line");
}
}
#endif
}
count += line->GetChildCount();
line = line->mNext;

620
layout/html/base/src/nsBlockReflowState.h
Просмотреть файл

@ -3746,21 +3746,12 @@ nsBlockFrame::ReflowInlineFrame(nsBlockReflowState& aState,
// line and don't stop the line reflow...
PRBool splitLine = !reflowingFirstLetter;
if (reflowingFirstLetter) {
#ifdef BLOCK_DOES_FIRST_LINE
if (aLine->IsFirstLine()) {
nsCOMPtr<nsIAtom> frameType;
aFrame->GetFrameType(getter_AddRefs(frameType));
if ((nsLayoutAtoms::inlineFrame == frameType.get()) ||
(nsLayoutAtoms::lineFrame == frameType.get())) {
splitLine = PR_TRUE;
}
else
#endif
{
nsIAtom* frameType;
if (NS_SUCCEEDED(aFrame->GetFrameType(&frameType)) && frameType) {
if (frameType == nsLayoutAtoms::inlineFrame) {
splitLine = PR_TRUE;
}
NS_RELEASE(frameType);
}
}
}
if (splitLine) {
@ -4281,100 +4272,6 @@ nsBlockFrame::LastChild()
return nsnull;
}
#ifdef BLOCK_DOES_FIRST_LINE
nsresult
nsBlockFrame::WrapFramesInFirstLineFrame(nsIPresContext* aPresContext)
{
nsLineBox* line = mLines;
if (!line) {
return NS_OK;
}
// Find the first and last inline line that has frames that aren't
// yet in the first-line-frame.
nsLineBox* prevLine = nsnull;
nsIFrame* firstInlineFrame = nsnull;
nsFirstLineFrame* lineFrame = nsnull;
nsIFrame* nextSib = nsnull;
nsresult rv = NS_OK;
while (line) {
if (line->IsBlock()) {
nextSib = line->mFirstChild;
break;
}
if (line->IsFirstLine()) {
NS_ASSERTION(1 == line->mChildCount, "bad first line");
lineFrame = (nsFirstLineFrame*) line->mFirstChild;
prevLine = line;
line = line->mNext;
}
else {
if (!firstInlineFrame) {
firstInlineFrame = line->mFirstChild;
}
if (prevLine) {
prevLine->mNext = line->mNext;
delete line;
line = prevLine->mNext;
}
else {
prevLine = line;
line = line->mNext;
}
}
}
if (!firstInlineFrame) {
// All of the inline frames are already where they should be
return NS_OK;
}
// Make the last inline frame thats going into the first-line-frame
// have no next sibling.
if (line) {
nsFrameList frames(firstInlineFrame);
nsIFrame* lastInlineFrame = frames.GetPrevSiblingFor(line->mFirstChild);
lastInlineFrame->SetNextSibling(nsnull);
}
// If there is no first-line-frame currently, we create it
if (!lineFrame) {
nsIStyleContext* firstLineStyle = GetFirstLineStyle(aPresContext);
// Create line frame
rv = NS_NewFirstLineFrame((nsIFrame**) &lineFrame);
if (NS_FAILED(rv)) {
return rv;
}
rv = lineFrame->Init(*aPresContext, mContent, this,
firstLineStyle, nsnull);
if (NS_FAILED(rv)) {
return rv;
}
line = mLines;
line->mFirstChild = lineFrame;
line->mChildCount = 1;
line->SetIsFirstLine(PR_TRUE);
NS_RELEASE(firstLineStyle);
}
// Connect last first-line-frame to the remaining frames
lineFrame->SetNextSibling(nextSib);
// Put the new children into the line-frame
lineFrame->AppendFrames2(aPresContext, firstInlineFrame);
// Mark the first-line frames dirty
line = mLines;
while (line && line->IsFirstLine()) {
line->MarkDirty();
line = line->mNext;
}
return rv;
}
#endif
NS_IMETHODIMP
nsBlockFrame::AppendFrames(nsIPresContext& aPresContext,
nsIPresShell& aPresShell,
@ -4399,14 +4296,6 @@ nsBlockFrame::AppendFrames(nsIPresContext& aPresContext,
nsLineBox* lastLine = nsLineBox::LastLine(mLines);
if (lastLine) {
lastKid = lastLine->LastChild();
#ifdef BLOCK_DOES_FIRST_LINE
if (lastLine->IsFirstLine()) {
// Get last frame in the nsFirstLineFrame
lastKid->FirstChild(nsnull, &lastKid);
nsFrameList frames(lastKid);
lastKid = frames.LastChild();
}
#endif
}
// Add frames after the last child
@ -4496,50 +4385,16 @@ nsBlockFrame::AddFrames(nsIPresContext* aPresContext,
nsLineBox* prevSibLine = nsnull;
PRInt32 prevSiblingIndex = -1;
if (aPrevSibling) {
#ifdef BLOCK_DOES_FIRST_LINE
// Its possible we have an nsFirstLineFrame managing some of our
// child frames. If we do and the AddFrames is targetted at it,
// use AddFirstLineFrames to get the frames properly placed.
nsIFrame* prevSiblingParent;
aPrevSibling->GetParent(&prevSiblingParent);
if (prevSiblingParent != this) {
// We are attempting an insert into a nsFirstLineFrame. Mark the
// first-line's dirty. Not exactly optimial, but it will
// guarantee a correct reflow.
nsLineBox* line = mLines;
while (line) {
if (!line->IsFirstLine()) {
break;
}
line->MarkDirty();
line = line->mNext;
}
return AddFirstLineFrames(aPresContext,
(nsFirstLineFrame*)prevSiblingParent,
aFrameList, aPrevSibling);
}
else
#endif
{
// Find the line that contains the previous sibling
prevSibLine = nsLineBox::FindLineContaining(mLines, aPrevSibling,
&prevSiblingIndex);
NS_ASSERTION(nsnull != prevSibLine, "prev sibling not in line list");
if (nsnull == prevSibLine) {
// Note: defensive code! FindLineContaining must not return
// null in this case, so if it does...
aPrevSibling = nsnull;
}
// Find the line that contains the previous sibling
prevSibLine = nsLineBox::FindLineContaining(mLines, aPrevSibling,
&prevSiblingIndex);
NS_ASSERTION(nsnull != prevSibLine, "prev sibling not in line list");
if (nsnull == prevSibLine) {
// Note: defensive code! FindLineContaining must not return
// null in this case, so if it does...
aPrevSibling = nsnull;
}
}
#ifdef BLOCK_DOES_FIRST_LINE
else if (mLines && mLines->IsFirstLine()) {
mLines->MarkDirty();
return AddFirstLineFrames(aPresContext,
(nsFirstLineFrame*)mLines->mFirstChild,
aFrameList, nsnull);
}
#endif
// Find the frame following aPrevSibling so that we can join up the
// two lists of frames.
@ -4609,151 +4464,12 @@ nsBlockFrame::AddFrames(nsIPresContext* aPresContext,
aPrevSibling->SetNextSibling(prevSiblingNextFrame);
}
#ifdef BLOCK_DOES_FIRST_LINE
// Fixup any frames that should be in a first-line frame but aren't
if ((NS_BLOCK_HAS_FIRST_LINE_STYLE & mState) &&
(nsnull != mLines) && !mLines->IsBlock()) {
// We just added one or more frame(s) to the first line.
WrapFramesInFirstLineFrame(aPresContext);
}
#endif
#ifdef DEBUG
VerifyLines(PR_TRUE);
#endif
return NS_OK;
}
#ifdef BLOCK_DOES_FIRST_LINE
nsresult
nsBlockFrame::AddFirstLineFrames(nsIPresContext* aPresContext,
nsFirstLineFrame* aLineFrame,
nsIFrame* aFrameList,
nsIFrame* aPrevSibling)
{
// The first run of inline frames being added always go into the
// line frame. If we hit a block frame then we need to chop the line
// frame into two pieces.
nsIFrame* frame = aFrameList;
nsIFrame* lastAddedFrame = frame;
nsIFrame* firstInlineFrame = nsnull;
PRInt32 pendingInlines = 0;
while (frame) {
if (nsLineLayout::TreatFrameAsBlock(frame)) {
// There are 3 cases. The block is going to the front of the
// line-frames children, in the middle or at the end.
if (aPrevSibling) {
nsIFrame* next;
aPrevSibling->GetNextSibling(&next);
// Take kids from the line frame starting at next.
nsIFrame* kids;
if (nsnull == next) {
// The block goes in front of aLineFrame's continuation, if
// it has one.
nsFirstLineFrame* nextLineFrame;
aLineFrame->GetNextInFlow((nsIFrame**) &nextLineFrame);
if (!nextLineFrame) {
// No continuation, therefore the block goes after aLineFrame
FixParentAndView(aPresContext, frame);
return AddFrames(aPresContext, frame, aLineFrame);
}
// Use nextLineFrame and take away all its kids
aLineFrame = nextLineFrame;
}
kids = TakeKidsFromLineFrame(aLineFrame, next);
// We will leave the line-frame and its continuations in
// place but mark the lines dirty so that they are reflowed
// and the empty line-frames (if any) are cleaned up.
nsLineBox* line = mLines;
nsIFrame* lastLineFrame = aLineFrame;
while (line && line->IsFirstLine()) {
line->MarkDirty();
lastLineFrame = line->mFirstChild;
line = line->mNext;
}
// Join the taken kids onto the *end* of the frames being
// added.
nsFrameList newFrames(frame);
newFrames.AppendFrames(this, kids);
FixParentAndView(aPresContext, frame);
return AddFrames(aPresContext, frame, lastLineFrame);
}
else {
// Block is trying to go to the front of the line frame (and
// therefore in front of all the line-frames children and its
// continuations children). Therefore, we don't need a line
// frame anymore.
nsIFrame* kids = TakeKidsFromLineFrame(aLineFrame, nsnull);
// Join the kids onto the end of the frames being added
nsFrameList newFrames(frame);
newFrames.AppendFrames(this, kids);
FixParentAndView(aPresContext, newFrames.FirstChild());
// Remove the line frame (and its continuations). This also
// removes the nsLineBox's that pointed to the line-frame. Do
// this after FixParentAndView because FixParentAndView needs
// a valid old-parent to work.
DoRemoveFrame(aPresContext, aLineFrame);
// Re-enter AddFrames, this time there won't be any first-line
// frames so we will use the normal path.
return AddFrames(aPresContext, newFrames.FirstChild(), nsnull);
}
}
else {
if (0 == pendingInlines) {
firstInlineFrame = frame;
}
pendingInlines++;
}
lastAddedFrame = frame;
frame->GetNextSibling(&frame);
}
// All of the frames being added are inline frames
if (pendingInlines) {
return aLineFrame->InsertFrames2(aPresContext, aPrevSibling, aFrameList);
}
return NS_OK;
}
nsIFrame*
nsBlockFrame::TakeKidsFromLineFrame(nsFirstLineFrame* aLineFrame,
nsIFrame* aFromKid)
{
nsFrameList kids;
nsIFrame* lastKid;
if (aFromKid) {
kids.SetFrames(aFromKid);
aLineFrame->RemoveFramesFrom(aFromKid);
}
else {
aLineFrame->FirstChild(nsnull, &lastKid);
kids.SetFrames(lastKid);
aLineFrame->RemoveAllFrames();
}
lastKid = kids.LastChild();
// Capture the next-in-flows kids as well.
for (;;) {
aLineFrame->GetNextInFlow((nsIFrame**) &aLineFrame);
if (!aLineFrame) {
break;
}
aLineFrame->FirstChild(nsnull, &aFromKid);
aLineFrame->RemoveAllFrames();
lastKid->SetNextSibling(aFromKid);
nsFrameList tmp(aFromKid);
lastKid = tmp.LastChild();
}
return kids.FirstChild();
}
#endif
void
nsBlockFrame::FixParentAndView(nsIPresContext* aPresContext, nsIFrame* aFrame)
@ -4834,15 +4550,6 @@ nsresult
nsBlockFrame::DoRemoveFrame(nsIPresContext* aPresContext,
nsIFrame* aDeletedFrame)
{
#ifdef BLOCK_DOES_FIRST_LINE
nsIFrame* parent;
aDeletedFrame->GetParent(&parent);
if (parent != this) {
return RemoveFirstLineFrame(aPresContext, (nsFirstLineFrame*)parent,
aDeletedFrame);
}
#endif
// Find the line and the previous sibling that contains
// deletedFrame; we also find the pointer to the line.
nsBlockFrame* flow = this;
@ -4878,9 +4585,7 @@ nsBlockFrame::DoRemoveFrame(nsIPresContext* aPresContext,
while (nsnull != aDeletedFrame) {
while ((nsnull != line) && (nsnull != aDeletedFrame)) {
#ifdef NS_DEBUG
#ifndef BLOCK_DOES_FIRST_LINE
nsIFrame* parent;
#endif
aDeletedFrame->GetParent(&parent);
NS_ASSERTION(flow == parent, "messed up delete code");
NS_ASSERTION(line->Contains(aDeletedFrame), "frame not in line");
@ -4990,60 +4695,12 @@ nsBlockFrame::DoRemoveFrame(nsIPresContext* aPresContext,
}
}
#ifdef BLOCK_DOES_FIRST_LINE
// Fixup any frames that should be in a first-line frame but aren't
if ((NS_BLOCK_HAS_FIRST_LINE_STYLE & mState) &&
(nsnull != mLines) && !mLines->IsBlock()) {
// We just added one or more frame(s) to the first line, or we
// removed a block that preceeded the first line.
WrapFramesInFirstLineFrame(aPresContext);
}
#endif
#ifdef DEBUG
VerifyLines(PR_TRUE);
#endif
return NS_OK;
}
#ifdef BLOCK_DOES_FIRST_LINE
nsresult
nsBlockFrame::RemoveFirstLineFrame(nsIPresContext* aPresContext,
nsFirstLineFrame* aLineFrame,
nsIFrame* aDeletedFrame)
{
// Strip deleted frame out of the nsFirstLineFrame
aLineFrame->RemoveFrame2(aPresContext, aDeletedFrame);
aDeletedFrame->Destroy(*aPresContext);
// See if the line-frame and its continuations are now empty
nsFirstLineFrame* lf = (nsFirstLineFrame*) aLineFrame->GetFirstInFlow();
nsFirstLineFrame* lf0 = lf;
PRBool empty = PR_TRUE;
while (lf) {
nsIFrame* kids;
lf->FirstChild(nsnull, &kids);
if (kids) {
empty = PR_FALSE;
break;
}
lf->GetNextInFlow((nsIFrame**) &lf);
}
if (empty) {
return DoRemoveFrame(aPresContext, lf0);
}
// Mark first-line lines dirty
nsLineBox* line = mLines;
while (line && line->IsFirstLine()) {
line->MarkDirty();
line = line->mNext;
}
return NS_OK;
}
#endif
void
nsBlockFrame::DeleteChildsNextInFlow(nsIPresContext& aPresContext,
nsIFrame* aChild)
@ -6108,18 +5765,6 @@ nsBlockFrame::GetFirstLetterStyle(nsIPresContext* aPresContext)
return fls;
}
#ifdef BLOCK_DOES_FIRST_LINE
nsIStyleContext*
nsBlockFrame::GetFirstLineStyle(nsIPresContext* aPresContext)
{
nsIStyleContext* fls;
aPresContext->ProbePseudoStyleContextFor(mContent,
nsHTMLAtoms::firstLinePseudo,
mStyleContext, PR_FALSE, &fls);
return fls;
}
#endif
NS_IMETHODIMP
nsBlockFrame::SetInitialChildList(nsIPresContext& aPresContext,
nsIAtom* aListName,
@ -6143,18 +5788,6 @@ nsBlockFrame::SetInitialChildList(nsIPresContext& aPresContext,
#endif
NS_RELEASE(firstLetterStyle);
}
#ifdef BLOCK_DOES_FIRST_LINE
nsIStyleContext* firstLineStyle = GetFirstLineStyle(&aPresContext);
if (nsnull != firstLineStyle) {
mState |= NS_BLOCK_HAS_FIRST_LINE_STYLE;
#ifdef NOISY_FIRST_LINE
ListTag(stdout);
printf(": first-line style found\n");
#endif
NS_RELEASE(firstLineStyle);
}
#endif
}
rv = AddFrames(&aPresContext, aChildList, nsnull);
@ -6448,15 +6081,7 @@ nsBlockFrame::ComputeTextRuns(nsIPresContext* aPresContext)
nsIFrame* frame = line->mFirstChild;
PRInt32 n = line->GetChildCount();
while (--n >= 0) {
nsresult rv = frame->FindTextRuns(textRunThingy);
if (NS_OK != rv) {
return rv;
}
else {
// A frame that doesn't implement nsIHTMLReflow isn't text
// therefore it will end an open text run.
textRunThingy.EndTextRun();
}
frame->FindTextRuns(textRunThingy);
frame->GetNextSibling(&frame);
}
}
@ -6474,210 +6099,6 @@ nsBlockFrame::ComputeTextRuns(nsIPresContext* aPresContext)
return NS_OK;
}
//----------------------------------------------------------------------
nsresult
NS_NewAnonymousBlockFrame(nsIFrame** aNewFrame)
{
NS_PRECONDITION(aNewFrame, "null OUT ptr");
if (nsnull == aNewFrame) {
return NS_ERROR_NULL_POINTER;
}
nsAnonymousBlockFrame* it = new nsAnonymousBlockFrame;
if (nsnull == it) {
return NS_ERROR_OUT_OF_MEMORY;
}
*aNewFrame = it;
return NS_OK;
}
nsAnonymousBlockFrame::nsAnonymousBlockFrame()
{
}
nsAnonymousBlockFrame::~nsAnonymousBlockFrame()
{
}
NS_IMETHODIMP
nsAnonymousBlockFrame::AppendFrames(nsIPresContext& aPresContext,
nsIPresShell& aPresShell,
nsIAtom* aListName,
nsIFrame* aFrameList)
{
return mParent->AppendFrames(aPresContext, aPresShell, aListName,
aFrameList);
}
NS_IMETHODIMP
nsAnonymousBlockFrame::InsertFrames(nsIPresContext& aPresContext,
nsIPresShell& aPresShell,
nsIAtom* aListName,
nsIFrame* aPrevFrame,
nsIFrame* aFrameList)
{
return mParent->InsertFrames(aPresContext, aPresShell, aListName,
aPrevFrame, aFrameList);
}
NS_IMETHODIMP
nsAnonymousBlockFrame::RemoveFrame(nsIPresContext& aPresContext,
nsIPresShell& aPresShell,
nsIAtom* aListName,
nsIFrame* aOldFrame)
{
return mParent->RemoveFrame(aPresContext, aPresShell, aListName,
aOldFrame);
}
nsresult
nsAnonymousBlockFrame::AppendFrames2(nsIPresContext* aPresContext,
nsIPresShell* aPresShell,
nsIAtom* aListName,
nsIFrame* aFrameList)
{
return nsAnonymousBlockFrameSuper::AppendFrames(*aPresContext, *aPresShell,
aListName, aFrameList);
}
nsresult
nsAnonymousBlockFrame::InsertFrames2(nsIPresContext* aPresContext,
nsIPresShell* aPresShell,
nsIAtom* aListName,
nsIFrame* aPrevFrame,
nsIFrame* aFrameList)
{
return nsAnonymousBlockFrameSuper::InsertFrames(*aPresContext, *aPresShell,
aListName, aPrevFrame,
aFrameList);
}
nsresult
nsAnonymousBlockFrame::RemoveFrame2(nsIPresContext* aPresContext,
nsIPresShell* aPresShell,
nsIAtom* aListName,
nsIFrame* aOldFrame)
{
return nsAnonymousBlockFrameSuper::RemoveFrame(*aPresContext, *aPresShell,
aListName, aOldFrame);
}
void
nsAnonymousBlockFrame::RemoveFirstFrame()
{
nsLineBox* line = mLines;
if (nsnull != line) {
nsIFrame* firstChild = line->mFirstChild;
#if XXX
// If the line has floaters on it, see if the frame being removed
// is a placeholder frame. If it is, then remove it from the lines
// floater array and from the block frames floater child list.
if (line->mFloaters.NotEmpty()) {
// XXX UNTESTED!
nsPlaceholderFrame* placeholderFrame;
nsVoidArray& floaters = *line->mFloaters;
PRInt32 i, n = floaters.Count();
for (i = 0; i < n; i++) {
placeholderFrame = (nsPlaceholderFrame*) floaters[i];
if (firstChild == placeholderFrame) {
// Remove placeholder from the line's floater array
floaters.RemoveElementAt(i);
if (0 == floaters.Count()) {
delete line->mFloaters;
line->mFloaters = nsnull;
}
// Remove the floater from the block frames mFloaters list too
mFloaters.RemoveFrame(placeholderFrame->GetOutOfFlowFrame());
break;
}
}
}
#endif
PRInt32 lineChildCount = line->GetChildCount();
if (1 == lineChildCount) {
// Remove line when last frame goes away
mLines = line->mNext;
delete line;
}
else {
// Remove frame from line and mark the line dirty
line->SetChildCount(lineChildCount - 1);
line->MarkDirty();
firstChild->GetNextSibling(&line->mFirstChild);
}
// Break linkage to next child after stolen frame
firstChild->SetNextSibling(nsnull);
}
#ifdef DEBUG
VerifyLines(PR_TRUE);
#endif
}
void
nsAnonymousBlockFrame::RemoveFramesFrom(nsIFrame* aFrame)
{
nsLineBox* line = mLines;
if (nsnull != line) {
// Chop the child sibling list into two pieces
nsFrameList tmp(line->mFirstChild);
nsIFrame* prevSibling = tmp.GetPrevSiblingFor(aFrame);
if (nsnull != prevSibling) {
// Chop the sibling list into two pieces
prevSibling->SetNextSibling(nsnull);
nsLineBox* prevLine = nsnull;
while (nsnull != line) {
nsIFrame* frame = line->mFirstChild;
PRInt32 i, n = line->GetChildCount();
PRBool done = PR_FALSE;
for (i = 0; i < n; i++) {
if (frame == aFrame) {
// We just found the target frame (and the line its in and
// the previous line)
if (frame == line->mFirstChild) {
// No more children on this line, so let it get removed
prevLine->mNext = nsnull;
}
else {
// The only frames that remain on this line are the
// frames preceeding aFrame. Adjust the count to
// indicate that fact.
line->SetChildCount(i);
// Remove the lines that follow this line
prevLine = line;
line = line->mNext;
prevLine->mNext = nsnull;
}
done = PR_TRUE;
break;
}
frame->GetNextSibling(&frame);
}
if (done) {
break;
}
prevLine = line;
line = line->mNext;
}
}
// Remove all of the remaining lines
while (nsnull != line) {
nsLineBox* next = line->mNext;
delete line;
line = next;
}
}
#ifdef DEBUG
VerifyLines(PR_TRUE);
#endif
}
#ifdef DEBUG
void
nsBlockFrame::VerifyLines(PRBool aFinalCheckOK)
@ -6700,24 +6121,9 @@ nsBlockFrame::VerifyLines(PRBool aFinalCheckOK)
if (line->IsBlock()) {
seenBlock = PR_TRUE;
}
#ifdef BLOCK_DOES_FIRST_LINE
if (line->IsFirstLine()) {
NS_ASSERTION(1 == line->GetChildCount(), "bad first line");
}
#endif
if (line->IsBlock()) {
NS_ASSERTION(1 == line->GetChildCount(), "bad first line");
}
#ifdef BLOCK_DOES_FIRST_LINE
if (NS_BLOCK_HAS_FIRST_LINE_STYLE & mState) {
if (seenBlock) {
NS_ASSERTION(!line->IsFirstLine(), "bad first line");
}
else {
NS_ASSERTION(line->IsFirstLine(), "bad first line");
}
}
#endif
}
count += line->GetChildCount();
line = line->mNext;

2753
layout/html/base/src/nsInlineFrame.cpp
Просмотреть файл

Разница между файлами не показана из-за своего большого размера Загрузить разницу

165
layout/html/base/src/nsInlineFrame.h
Просмотреть файл

@ -30,6 +30,12 @@ class nsAnonymousBlockFrame;
#define nsInlineFrameSuper nsHTMLContainerFrame
/**
* Inline frame class.
*
* This class manages a list of child frames that are inline frames. Working with
* nsLineLayout, the class will reflow and place inline frames on a line.
*/
class nsInlineFrame : public nsInlineFrameSuper
{
public:
@ -39,9 +45,6 @@ public:
NS_IMETHOD QueryInterface(const nsIID& aIID, void** aInstancePtr);
// nsIFrame overrides
NS_IMETHOD SetInitialChildList(nsIPresContext& aPresContext,
nsIAtom* aListName,
nsIFrame* aChildList);
NS_IMETHOD AppendFrames(nsIPresContext& aPresContext,
nsIPresShell& aPresShell,
nsIAtom* aListName,
@ -55,7 +58,11 @@ public:
nsIPresShell& aPresShell,
nsIAtom* aListName,
nsIFrame* aOldFrame);
NS_IMETHOD Destroy(nsIPresContext& aPresContext);
NS_IMETHOD ReplaceFrame(nsIPresContext& aPresContext,
nsIPresShell& aPresShell,
nsIAtom* aListName,
nsIFrame* aOldFrame,
nsIFrame* aNewFrame);
NS_IMETHOD GetFrameName(nsString& aResult) const;
NS_IMETHOD GetFrameType(nsIAtom** aType) const;
@ -65,15 +72,15 @@ public:
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus);
NS_IMETHOD FindTextRuns(nsLineLayout& aLineLayout);
#if XXX_fix_me
NS_IMETHOD AdjustFrameSize(nscoord aExtraSpace, nscoord& aUsedSpace);
NS_IMETHOD TrimTrailingWhiteSpace(nsIPresContext& aPresContext,
nsIRenderingContext& aRC,
nscoord& aDeltaWidth);
#endif
static nsIID kInlineFrameCID;
// Take all of the frames away from this frame. The caller is
// presumed to keep them alive.
void StealAllFrames() {
mFrames.SetFrames(nsnull);
}
protected:
// Additional reflow state used during our reflow methods
struct InlineReflowState {
@ -82,75 +89,15 @@ protected:
nsInlineFrame* mNextInFlow;
};
// A helper class that knows how to take a list of frames and chop
// it up into 3 sections.
struct SectionData {
SectionData(nsIFrame* aFrameList);
PRBool SplitFrameList(nsFrameList& aSection1,
nsFrameList& aSection2,
nsFrameList& aSection3);
PRBool HasABlock() const {
return nsnull != firstBlock;
}
nsIFrame* firstBlock;
nsIFrame* prevFirstBlock;
nsIFrame* lastBlock;
nsIFrame* firstFrame;
nsIFrame* lastFrame;
};
nsInlineFrame();
virtual PRIntn GetSkipSides() const;
PRBool HaveAnonymousBlock() const {
return mFrames.NotEmpty()
? nsLineLayout::TreatFrameAsBlock(mFrames.FirstChild())
: PR_FALSE;
}
static PRBool ParentIsInlineFrame(nsIFrame* aFrame, nsIFrame** aParent) {
void* tmp;
nsIFrame* parent;
aFrame->GetParent(&parent);
*aParent = parent;
if (NS_SUCCEEDED(parent->QueryInterface(kInlineFrameCID, &tmp))) {
return PR_TRUE;
}
return PR_FALSE;
}
nsAnonymousBlockFrame* FindPrevAnonymousBlock(nsInlineFrame** aBlockParent);
nsAnonymousBlockFrame* FindAnonymousBlock(nsInlineFrame** aBlockParent);
nsresult CreateAnonymousBlock(nsIPresContext& aPresContext,
nsIFrame* aFrameList,
nsIFrame** aResult);
nsresult AppendFrames(nsIPresContext& aPresContext,
nsIPresShell& aPresShell,
nsIFrame* aFrameList,
PRBool aGenerateReflowCommands);
nsresult InsertBlockFrames(nsIPresContext& aPresContext,
nsIPresShell& aPresShell,
nsIFrame* aPrevFrame,
nsIFrame* aFrameList);
nsresult InsertInlineFrames(nsIPresContext& aPresContext,
nsIPresShell& aPresShell,
nsIFrame* aPrevFrame,
nsIFrame* aFrameList);
nsresult ReflowInlineFrames(nsIPresContext* aPresContext,
const nsHTMLReflowState& aReflowState,
InlineReflowState& rs,
nsHTMLReflowMetrics& aMetrics,
nsReflowStatus& aStatus);
nsresult ReflowFrames(nsIPresContext* aPresContext,
const nsHTMLReflowState& aReflowState,
InlineReflowState& rs,
nsHTMLReflowMetrics& aMetrics,
nsReflowStatus& aStatus);
nsresult ReflowInlineFrame(nsIPresContext* aPresContext,
const nsHTMLReflowState& aReflowState,
@ -158,29 +105,23 @@ protected:
nsIFrame* aFrame,
nsReflowStatus& aStatus);
virtual nsIFrame* PullInlineFrame(nsIPresContext* aPresContext,
InlineReflowState& rs,
PRBool* aIsComplete);
virtual nsIFrame* PullOneFrame(nsIPresContext* aPresContext,
InlineReflowState& rs,
PRBool* aIsComplete);
virtual void PushFrames(nsIPresContext* aPresContext,
nsIFrame* aFromChild,
nsIFrame* aPrevSibling);
virtual void DrainOverflow(nsIPresContext* aPresContext);
nsIFrame* PullAnyFrame(nsIPresContext* aPresContext, InlineReflowState& rs);
nsresult ReflowBlockFrame(nsIPresContext* aPresContext,
const nsHTMLReflowState& aReflowState,
InlineReflowState& rs,
nsHTMLReflowMetrics& aMetrics,
nsReflowStatus& aStatus);
};
//----------------------------------------------------------------------
// Variation on inline-frame used to manage lines for line layout in
// special situations.
/**
* Variation on inline-frame used to manage lines for line layout in
* special situations (:first-line style in particular).
*/
class nsFirstLineFrame : public nsInlineFrame {
public:
friend nsresult NS_NewFirstLineFrame(nsIFrame** aNewFrame);
@ -192,62 +133,20 @@ public:
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus);
#ifdef BLOCK_DOES_FIRST_LINE
// AppendFrames/InsertFrames/RemoveFrame are implemented to forward
// the method call to the parent frame.
#endif
NS_IMETHOD AppendFrames(nsIPresContext& aPresContext,
nsIPresShell& aPresShell,
nsIAtom* aListName,
nsIFrame* aFrameList);
NS_IMETHOD InsertFrames(nsIPresContext& aPresContext,
nsIPresShell& aPresShell,
nsIAtom* aListName,
nsIFrame* aPrevFrame,
nsIFrame* aFrameList);
NS_IMETHOD RemoveFrame(nsIPresContext& aPresContext,
nsIPresShell& aPresShell,
nsIAtom* aListName,
nsIFrame* aOldFrame);
#ifdef BLOCK_DOES_FIRST_LINE
// These methods are used by the parent frame to actually modify the
// child frames of the line frame. These methods do not generate
// reflow commands.
nsresult AppendFrames2(nsIPresContext* aPresContext,
nsIFrame* aFrameList);
nsresult InsertFrames2(nsIPresContext* aPresContext,
nsIFrame* aPrevFrame,
nsIFrame* aFrameList);
nsresult RemoveFrame2(nsIPresContext* aPresContext,
nsIFrame* aOldFrame);
#endif
// Take frames starting at aFrame until the end of the frame-list
// away from this frame. The caller is presumed to keep them alive.
void StealFramesFrom(nsIFrame* aFrame);
// Take all of the frames away from this frame. The caller is
// presumed to keep them alive.
void StealAllFrames() {
mFrames.SetFrames(nsnull);
}
protected:
nsFirstLineFrame();
virtual nsIFrame* PullInlineFrame(nsIPresContext* aPresContext,
InlineReflowState& rs,
PRBool* aIsComplete);
virtual nsIFrame* PullOneFrame(nsIPresContext* aPresContext,
InlineReflowState& rs,
PRBool* aIsComplete);
virtual void DrainOverflow(nsIPresContext* aPresContext);
};
extern nsresult NS_NewFirstLineFrame(nsIFrame** aNewFrame);
//----------------------------------------------------------------------
// Derived class created for relatively positioned inline-level elements

995
layout/html/style/src/nsCSSFrameConstructor.cpp
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43
layout/html/style/src/nsCSSFrameConstructor.h
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@ -148,7 +148,6 @@ protected:
nsFrameConstructorState& aState,
nsIContent* aContent,
nsIFrame* aParentFrame,
PRBool aHaveFirstLetterStyle,
nsFrameItems& aFrameItems);
nsresult ConstructDocElementFrame(nsIPresContext* aPresContext,
@ -506,7 +505,6 @@ protected:
nsIContent* aContent,
nsIFrame* aParentFrame,
nsIStyleContext* aStyleContext,
PRBool aHaveFirstLetterStyle,
nsFrameItems& aFrameItems);
nsresult GetAdjustedParentFrame(nsIFrame* aCurrentParentFrame,
@ -662,13 +660,49 @@ InitializeSelectFrame(nsIPresContext* aPresContext,
nsIStyleContext* aStyleContext,
nsIFrame* aNewFrame);
nsresult ProcessBlockChildren(nsIPresContext* aPresContext,
nsFrameConstructorState& aState,
nsIContent* aContent,
nsIFrame* aFrame,
PRBool aCanHaveGeneratedContent,
nsFrameItems& aFrameItems,
PRBool aParentIsBlock);
nsresult ConstructInline(nsIPresContext* aPresContext,
nsFrameConstructorState& aState,
const nsStyleDisplay* aDisplay,
nsIContent* aContent,
nsIFrame* aParentFrame,
nsIStyleContext* aStyleContext,
nsIFrame* aNewFrame);
nsIFrame* aNewFrame,
nsIFrame** aNewBlockFrame,
nsIFrame** aNextInlineFrame);
nsresult ProcessInlineChildren(nsIPresContext* aPresContext,
nsFrameConstructorState& aState,
nsIContent* aContent,
nsIFrame* aFrame,
PRBool aCanHaveGeneratedContent,
nsFrameItems& aFrameItems,
PRBool* aKidsAllInline);
PRBool AreAllKidsInline(nsIFrame* aFrameList);
PRBool IsFrameSpecial(nsIFrameManager* aFrameManager, nsIFrame* aFrame);
PRBool IsFrameSpecial(nsIPresContext* aPresContext, nsIFrame* aFrame);
void SetFrameIsSpecial(nsIFrameManager* aFrameManager, nsIFrame* aFrame);
PRBool WipeContainingBlock(nsIPresContext* aPresContext,
nsFrameConstructorState& aState,
nsIContent* blockContent,
nsIFrame* aFrame,
nsIFrame* aFrameList);
nsresult ReframeContainingBlock(nsIPresContext* aPresContext, nsIFrame* aFrame);
nsresult RecreateEntireFrameTree(nsIPresContext* aPresContext);
//----------------------------------------
@ -757,9 +791,6 @@ InitializeSelectFrame(nsIPresContext* aPresContext,
nsIFrame* aPrevSibling,
nsFrameItems& aFrameItems);
nsresult MaybeCreateContainerFrame(nsIPresContext* aPresContext,
nsIContent* aContainer);
protected:
nsIDocument* mDocument;