layout/xul/SimpleXULLeafFrame.cpp

   1
   2 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   3 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   4 /* This Source Code Form is subject to the terms of the Mozilla Public
   5  * License, v. 2.0. If a copy of the MPL was not distributed with this
   6  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   7
   8 #include "SimpleXULLeafFrame.h"
   9 #include "mozilla/PresShell.h"
  10
  11 nsIFrame* NS_NewSimpleXULLeafFrame(mozilla::PresShell* aPresShell,
  12                                    mozilla::ComputedStyle* aStyle) {
  13   return new (aPresShell)
  14       mozilla::SimpleXULLeafFrame(aStyle, aPresShell->GetPresContext());
  15 }
  16
  17 namespace mozilla {
  18
  19 NS_IMPL_FRAMEARENA_HELPERS(SimpleXULLeafFrame)
  20
  21 void SimpleXULLeafFrame::Reflow(nsPresContext* aPresContext,
  22                                 ReflowOutput& aDesiredSize,
  23                                 const ReflowInput& aReflowInput,
  24                                 nsReflowStatus& aStatus) {
  25   MarkInReflow();
  26   MOZ_ASSERT(aStatus.IsEmpty(), "Caller should pass a fresh reflow status!");
  27   const auto wm = GetWritingMode();
  28   const auto& bp = aReflowInput.ComputedLogicalBorderPadding(wm);
  29   aDesiredSize.ISize(wm) = bp.IStartEnd(wm) + aReflowInput.ComputedISize();
  30   aDesiredSize.BSize(wm) =
  31       bp.BStartEnd(wm) + (aReflowInput.ComputedBSize() == NS_UNCONSTRAINEDSIZE
  32                               ? aReflowInput.ComputedMinBSize()
  33                               : aReflowInput.ComputedBSize());
  34   aDesiredSize.SetOverflowAreasToDesiredBounds();
  35 }
  36
  37 }  // namespace mozilla