gecko-dev/layout/xul/SimpleXULLeafFrame.cpp

38 строки
1.5 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "SimpleXULLeafFrame.h"
#include "mozilla/PresShell.h"
nsIFrame* NS_NewSimpleXULLeafFrame(mozilla::PresShell* aPresShell,
mozilla::ComputedStyle* aStyle) {
return new (aPresShell)
mozilla::SimpleXULLeafFrame(aStyle, aPresShell->GetPresContext());
}
namespace mozilla {
NS_IMPL_FRAMEARENA_HELPERS(SimpleXULLeafFrame)
void SimpleXULLeafFrame::Reflow(nsPresContext* aPresContext,
ReflowOutput& aDesiredSize,
const ReflowInput& aReflowInput,
nsReflowStatus& aStatus) {
MarkInReflow();
MOZ_ASSERT(aStatus.IsEmpty(), "Caller should pass a fresh reflow status!");
const auto wm = GetWritingMode();
const auto& bp = aReflowInput.ComputedLogicalBorderPadding(wm);
aDesiredSize.ISize(wm) = bp.IStartEnd(wm) + aReflowInput.ComputedISize();
aDesiredSize.BSize(wm) =
bp.BStartEnd(wm) + (aReflowInput.ComputedBSize() == NS_UNCONSTRAINEDSIZE
? aReflowInput.ComputedMinBSize()
: aReflowInput.ComputedBSize());
aDesiredSize.SetOverflowAreasToDesiredBounds();
}
} // namespace mozilla