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Bug 1132008 part 1 - Calculate bsize of rtc according to its children. r=dbaron

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--HG--
extra : source : e07fd183c24ea7133faa62bc5837e6d30589f05e
This commit is contained in:
Xidorn Quan 2015-02-17 14:25:18 +13:00
parent ef1761e1f6
commit 91dbc29cc5
3 changed files with 40 additions and 15 deletions
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3
layout/generic/nsRubyBaseContainerFrame.cpp
View File

@ -464,8 +464,7 @@ nsRubyBaseContainerFrame::Reflow(nsPresContext* aPresContext,
}
lineLayout->VerticalAlignLine();
LogicalSize lineSize(lineWM, rtcISize, lineLayout->GetFinalLineBSize());
textContainer->SetLineSize(lineSize);
textContainer->SetISize(rtcISize);
lineLayout->EndLineReflow();
}

44
layout/generic/nsRubyTextContainerFrame.cpp
View File

@ -130,17 +130,43 @@ nsRubyTextContainerFrame::Reflow(nsPresContext* aPresContext,
// will take care of our continuations.
aStatus = NS_FRAME_COMPLETE;
WritingMode lineWM = aReflowState.mLineLayout->GetWritingMode();
aDesiredSize.SetSize(lineWM, mLineSize);
if (lineWM.IsVerticalRL()) {
nscoord deltaWidth = -mLineSize.Width(lineWM);
LogicalPoint translation(lineWM, 0, deltaWidth);
nscoord minBCoord = nscoord_MAX;
nscoord maxBCoord = nscoord_MIN;
for (nsFrameList::Enumerator e(mFrames); !e.AtEnd(); e.Next()) {
nsIFrame* child = e.get();
MOZ_ASSERT(child->GetType() == nsGkAtoms::rubyTextFrame);
// The container width is still unknown yet.
LogicalRect rect = child->GetLogicalRect(lineWM, 0);
LogicalMargin margin = child->GetLogicalUsedMargin(lineWM);
nscoord blockStart = rect.BStart(lineWM) - margin.BStart(lineWM);
minBCoord = std::min(minBCoord, blockStart);
nscoord blockEnd = rect.BEnd(lineWM) + margin.BEnd(lineWM);
maxBCoord = std::max(maxBCoord, blockEnd);
}
for (nsFrameList::Enumerator e(mFrames); !e.AtEnd(); e.Next()) {
nsIFrame* child = e.get();
MOZ_ASSERT(child->GetType() == nsGkAtoms::rubyTextFrame);
child->MovePositionBy(lineWM, translation);
nsContainerFrame::PlaceFrameView(child);
MOZ_ASSERT(minBCoord <= maxBCoord || mFrames.IsEmpty());
LogicalSize size(lineWM, mISize, 0);
if (!mFrames.IsEmpty()) {
size.BSize(lineWM) = maxBCoord - minBCoord;
nscoord deltaBCoord = -minBCoord;
if (lineWM.IsVerticalRL()) {
deltaBCoord -= size.BSize(lineWM);
}
if (deltaBCoord != 0) {
nscoord containerWidth = size.Width(lineWM);
for (nsFrameList::Enumerator e(mFrames); !e.AtEnd(); e.Next()) {
nsIFrame* child = e.get();
LogicalPoint pos = child->GetLogicalPosition(lineWM, containerWidth);
pos.B(lineWM) += deltaBCoord;
// Relative positioning hasn't happened yet.
// So MovePositionBy should be used here.
child->SetPosition(lineWM, pos, containerWidth);
nsContainerFrame::PlaceFrameView(child);
}
}
}
aDesiredSize.SetSize(lineWM, size);
}

8
layout/generic/nsRubyTextContainerFrame.h
View File

@ -63,17 +63,17 @@ protected:
nsStyleContext* aContext);
explicit nsRubyTextContainerFrame(nsStyleContext* aContext)
: nsRubyTextContainerFrameSuper(aContext)
, mLineSize(mozilla::WritingMode(aContext)) {}
, mISize(0) {}
void UpdateSpanFlag();
friend class nsRubyBaseContainerFrame;
void SetLineSize(const mozilla::LogicalSize& aSize) { mLineSize = aSize; }
void SetISize(nscoord aISize) { mISize = aISize; }
// The intended dimensions of the ruby text container. It is set by
// The intended inline size of the ruby text container. It is set by
// the corresponding ruby base container when the segment is reflowed,
// and used when the ruby text container is reflowed by its parent.
mozilla::LogicalSize mLineSize;
nscoord mISize;
};
#endif /* nsRubyTextContainerFrame_h___ */