/**
* Place below-current-line floats.
*/
void
nsBlockReflowState::PlaceBelowCurrentLineFloats(nsFloatCacheFreeList& aList,
nsLineBox* aLine)
{
nsFloatCache* fc = aList.Head();
while (fc) {
#ifdef DEBUG
if (nsBlockFrame::gNoisyReflow) {
nsFrame::IndentBy(stdout, nsBlockFrame::gNoiseIndent);
printf("placing bcl float: ");
nsFrame::ListTag(stdout, fc->mFloat);
printf("\n");
}
#endif
// Place the float
bool placed = FlowAndPlaceFloat(fc->mFloat);
nsFloatCache *next = fc->Next();
if (!placed) {
aList.Remove(fc);
delete fc;
aLine->SetHadFloatPushed();
}
fc = next;
}
}
// XXX this might be too eager to free memory
void
nsLineBox::FreeFloats(nsFloatCacheFreeList& aFreeList)
{
NS_ABORT_IF_FALSE(IsInline(), "block line can't have floats");
if (IsInline() && mInlineData) {
if (mInlineData->mFloats.NotEmpty()) {
aFreeList.Append(mInlineData->mFloats);
}
MaybeFreeData();
}
}
void
nsLineBox::AppendFloats(nsFloatCacheFreeList& aFreeList)
{
NS_ABORT_IF_FALSE(IsInline(), "block line can't have floats");
if (IsInline()) {
if (aFreeList.NotEmpty()) {
if (!mInlineData) {
mInlineData = new ExtraInlineData(mBounds);
}
mInlineData->mFloats.Append(aFreeList);
}
}
}
void
nsLineBox::AppendFloats(nsFloatCacheFreeList& aFreeList)
{
MOZ_ASSERT(IsInline(), "block line can't have floats");
if (IsInline()) {
if (aFreeList.NotEmpty()) {
if (!mInlineData) {
mInlineData = new ExtraInlineData(GetPhysicalBounds());
}
mInlineData->mFloats.Append(aFreeList);
}
}
}
/**
* Place below-current-line floats.
*/
PRBool
nsBlockReflowState::PlaceBelowCurrentLineFloats(nsFloatCacheFreeList& aList, PRBool aForceFit)
{
nsFloatCache* fc = aList.Head();
while (fc) {
{
#ifdef DEBUG
if (nsBlockFrame::gNoisyReflow) {
nsFrame::IndentBy(stdout, nsBlockFrame::gNoiseIndent);
printf("placing bcl float: ");
nsFrame::ListTag(stdout, fc->mPlaceholder->GetOutOfFlowFrame());
printf("\n");
}
#endif
// Place the float
PRBool isLeftFloat;
nsReflowStatus reflowStatus;
PRBool placed = FlowAndPlaceFloat(fc, &isLeftFloat, reflowStatus, aForceFit);
NS_ASSERTION(placed || !aForceFit,
"If we're in force-fit mode, we should have placed the float");
if (!placed || (NS_FRAME_IS_TRUNCATED(reflowStatus) && !aForceFit)) {
// return before processing all of the floats, since the line will be pushed.
return PR_FALSE;
}
else if (NS_FRAME_IS_NOT_COMPLETE(reflowStatus)) {
// Create a continuation for the incomplete float and its placeholder.
nsresult rv = mBlock->SplitPlaceholder(*this, fc->mPlaceholder);
if (NS_FAILED(rv))
return PR_FALSE;
} else {
// XXX We could deal with truncated frames better by breaking before
// the associated placeholder
NS_WARN_IF_FALSE(!NS_FRAME_IS_TRUNCATED(reflowStatus),
"This situation currently leads to data not printing");
// Float is complete. We need to delete any leftover placeholders now.
nsIFrame* nextPlaceholder = fc->mPlaceholder->GetNextInFlow();
if (nextPlaceholder) {
nsHTMLContainerFrame* parent =
static_cast<nsHTMLContainerFrame*>(nextPlaceholder->GetParent());
parent->DeleteNextInFlowChild(mPresContext, nextPlaceholder);
}
}
}
fc = fc->Next();
}
return PR_TRUE;
}
void
nsFloatCacheList::Append(nsFloatCacheFreeList& aList)
{
NS_PRECONDITION(aList.NotEmpty(), "Appending empty list will fail");
nsFloatCache* tail = Tail();
if (tail) {
NS_ASSERTION(!tail->mNext, "Bogus!");
tail->mNext = aList.mHead;
}
else {
NS_ASSERTION(!mHead, "Bogus!");
mHead = aList.mHead;
}
aList.mHead = nsnull;
aList.mTail = nsnull;
}
/**
* Place below-current-line floats.
*/
PRBool
nsBlockReflowState::PlaceBelowCurrentLineFloats(nsFloatCacheFreeList& aList, PRBool aForceFit)
{
nsFloatCache* fc = aList.Head();
while (fc) {
{
#ifdef DEBUG
if (nsBlockFrame::gNoisyReflow) {
nsFrame::IndentBy(stdout, nsBlockFrame::gNoiseIndent);
printf("placing bcl float: ");
nsFrame::ListTag(stdout, fc->mFloat);
printf("\n");
}
#endif
// Place the float
nsReflowStatus reflowStatus;
PRBool placed = FlowAndPlaceFloat(fc->mFloat, reflowStatus, aForceFit);
NS_ASSERTION(placed || !aForceFit,
"If we're in force-fit mode, we should have placed the float");
if (!placed || (NS_FRAME_IS_TRUNCATED(reflowStatus) && !aForceFit)) {
// return before processing all of the floats, since the line will be pushed.
return PR_FALSE;
}
else if (!NS_FRAME_IS_FULLY_COMPLETE(reflowStatus)) {
// Create a continuation for the incomplete float
nsresult rv = mBlock->SplitFloat(*this, fc->mFloat, reflowStatus);
if (NS_FAILED(rv))
return PR_FALSE;
} else {
// XXX We could deal with truncated frames better by breaking before
// the associated placeholder
NS_WARN_IF_FALSE(!NS_FRAME_IS_TRUNCATED(reflowStatus),
"This situation currently leads to data not printing");
// Float is complete.
}
}
fc = fc->Next();
}
return PR_TRUE;
}
