layout/generic/nsLeafFrame.cpp
author Brian Hackett <bhackett1024@gmail.com>
Wed, 14 Nov 2018 16:09:58 -1000
changeset 446931 1c7fc8389e012c987347efefca6b35f3948b742a
parent 438375 c98839475735467ddccdbb87b23932d9be598757
child 448947 6f3709b3878117466168c40affa7bca0b60cf75b
permissions -rw-r--r--
Bug 1507359 Part 2 - Bindings and internal changes to allow ReplayDebugger to control child pausing/resuming, r=mccr8.

/* -*- 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/. */

/* base class for rendering objects that do not have child lists */

#include "nsLeafFrame.h"
#include "nsPresContext.h"

using namespace mozilla;

nsLeafFrame::~nsLeafFrame()
{
}

/* virtual */ nscoord
nsLeafFrame::GetMinISize(gfxContext *aRenderingContext)
{
  nscoord result;
  DISPLAY_MIN_INLINE_SIZE(this, result);
  result = GetIntrinsicISize();
  return result;
}

/* virtual */ nscoord
nsLeafFrame::GetPrefISize(gfxContext *aRenderingContext)
{
  nscoord result;
  DISPLAY_PREF_INLINE_SIZE(this, result);
  result = GetIntrinsicISize();
  return result;
}

/* virtual */
LogicalSize
nsLeafFrame::ComputeAutoSize(gfxContext*         aRenderingContext,
                             WritingMode         aWM,
                             const LogicalSize&  aCBSize,
                             nscoord             aAvailableISize,
                             const LogicalSize&  aMargin,
                             const LogicalSize&  aBorder,
                             const LogicalSize&  aPadding,
                             ComputeSizeFlags    aFlags)
{
  const WritingMode wm = GetWritingMode();
  LogicalSize result(wm, GetIntrinsicISize(), GetIntrinsicBSize());
  return result.ConvertTo(aWM, wm);
}

nscoord
nsLeafFrame::GetIntrinsicBSize()
{
  MOZ_ASSERT_UNREACHABLE("Someone didn't override Reflow or ComputeAutoSize");
  return 0;
}

void
nsLeafFrame::SizeToAvailSize(const ReflowInput& aReflowInput,
                             ReflowOutput& aDesiredSize)
{
  aDesiredSize.SetSize(aReflowInput.GetWritingMode(),
                       aReflowInput.AvailableSize());
  aDesiredSize.SetOverflowAreasToDesiredBounds();
  FinishAndStoreOverflow(&aDesiredSize, aReflowInput.mStyleDisplay);
}