зеркало из https://github.com/mozilla/gecko-dev.git
70 строки
2.1 KiB
C++
70 строки
2.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* base class for rendering objects that do not have child lists */
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#include "nsLeafFrame.h"
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#include "nsPresContext.h"
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using namespace mozilla;
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nsLeafFrame::~nsLeafFrame()
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{
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}
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/* virtual */ nscoord
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nsLeafFrame::GetMinISize(gfxContext *aRenderingContext)
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{
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nscoord result;
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DISPLAY_MIN_WIDTH(this, result);
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result = GetIntrinsicISize();
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return result;
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}
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/* virtual */ nscoord
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nsLeafFrame::GetPrefISize(gfxContext *aRenderingContext)
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{
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nscoord result;
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DISPLAY_PREF_WIDTH(this, result);
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result = GetIntrinsicISize();
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return result;
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}
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/* virtual */
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LogicalSize
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nsLeafFrame::ComputeAutoSize(gfxContext* aRenderingContext,
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WritingMode aWM,
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const LogicalSize& aCBSize,
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nscoord aAvailableISize,
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const LogicalSize& aMargin,
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const LogicalSize& aBorder,
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const LogicalSize& aPadding,
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ComputeSizeFlags aFlags)
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{
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const WritingMode wm = GetWritingMode();
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LogicalSize result(wm, GetIntrinsicISize(), GetIntrinsicBSize());
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return result.ConvertTo(aWM, wm);
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}
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nscoord
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nsLeafFrame::GetIntrinsicBSize()
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{
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NS_NOTREACHED("Someone didn't override Reflow or ComputeAutoSize");
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return 0;
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}
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void
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nsLeafFrame::SizeToAvailSize(const ReflowInput& aReflowInput,
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ReflowOutput& aDesiredSize)
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{
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WritingMode wm = aReflowInput.GetWritingMode();
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LogicalSize size(wm, aReflowInput.AvailableISize(), // FRAME
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aReflowInput.AvailableBSize());
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aDesiredSize.SetSize(wm, size);
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aDesiredSize.SetOverflowAreasToDesiredBounds();
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FinishAndStoreOverflow(&aDesiredSize, aReflowInput.mStyleDisplay);
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}
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