/**
* @param aBaseISizeData is an in/out param. This method updates the
* `skipWhitespace` and `trailingWhitespace` fields of the struct with
* the base level frame. Note that we don't need to do the same thing
* for ruby text frames, because they are text run container themselves
* (see nsTextFrame.cpp:BuildTextRuns), and thus no whitespace collapse
* happens across the boundary of those frames.
*/
static nscoord
CalculateColumnPrefISize(nsRenderingContext* aRenderingContext,
const RubyColumnEnumerator& aEnumerator,
nsIFrame::InlineIntrinsicISizeData* aBaseISizeData)
{
nscoord max = 0;
uint32_t levelCount = aEnumerator.GetLevelCount();
for (uint32_t i = 0; i < levelCount; i++) {
nsIFrame* frame = aEnumerator.GetFrameAtLevel(i);
if (frame) {
nsIFrame::InlinePrefISizeData data;
if (i == 0) {
data.lineContainer = aBaseISizeData->lineContainer;
data.skipWhitespace = aBaseISizeData->skipWhitespace;
data.trailingWhitespace = aBaseISizeData->trailingWhitespace;
} else {
// The line container of ruby text frames is their parent,
// ruby text container frame.
data.lineContainer = frame->GetParent();
}
frame->AddInlinePrefISize(aRenderingContext, &data);
MOZ_ASSERT(data.prevLines == 0, "Shouldn't have prev lines");
max = std::max(max, data.currentLine);
if (i == 0) {
aBaseISizeData->skipWhitespace = data.skipWhitespace;
aBaseISizeData->trailingWhitespace = data.trailingWhitespace;
}
}
}
return max;
}
static nscoord
CalculateColumnPrefISize(nsRenderingContext* aRenderingContext,
const RubyColumnEnumerator& aEnumerator)
{
nscoord max = 0;
uint32_t levelCount = aEnumerator.GetLevelCount();
for (uint32_t i = 0; i < levelCount; i++) {
nsIFrame* frame = aEnumerator.GetFrameAtLevel(i);
if (frame) {
nsIFrame::InlinePrefISizeData data;
frame->AddInlinePrefISize(aRenderingContext, &data);
MOZ_ASSERT(data.prevLines == 0, "Shouldn't have prev lines");
max = std::max(max, data.currentLine);
}
}
return max;
}
