forked from mirrors/gecko-dev
d4531a91af
Now that this doesn't involve an attribute lookup it's not worth it, and this allows querying the flex of emulated flex items without hitting assertions due to the lack of box metrics. Differential Revision: https://phabricator.services.mozilla.com/D157696
80 lines
3 KiB
C++
80 lines
3 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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#ifndef nsLeafBoxFrame_h___
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#define nsLeafBoxFrame_h___
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#include "mozilla/Attributes.h"
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#include "nsLeafFrame.h"
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namespace mozilla {
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class PresShell;
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} // namespace mozilla
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class nsLeafBoxFrame : public nsLeafFrame {
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public:
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NS_DECL_FRAMEARENA_HELPERS(nsLeafBoxFrame)
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friend nsIFrame* NS_NewLeafBoxFrame(mozilla::PresShell* aPresShell,
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ComputedStyle* aStyle);
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virtual nsSize GetXULPrefSize(nsBoxLayoutState& aState) override;
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virtual nsSize GetXULMinSize(nsBoxLayoutState& aState) override;
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virtual nsSize GetXULMaxSize(nsBoxLayoutState& aState) override;
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virtual nscoord GetXULBoxAscent(nsBoxLayoutState& aState) override;
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virtual bool IsFrameOfType(uint32_t aFlags) const override {
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// This is bogus, but it's what we've always done.
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// Note that nsLeafFrame is also eReplacedContainsBlock.
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return nsLeafFrame::IsFrameOfType(
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aFlags & ~(nsIFrame::eReplaced | nsIFrame::eReplacedContainsBlock |
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nsIFrame::eXULBox));
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}
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#ifdef DEBUG_FRAME_DUMP
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virtual nsresult GetFrameName(nsAString& aResult) const override;
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#endif
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// nsIHTMLReflow overrides
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virtual nscoord GetMinISize(gfxContext* aRenderingContext) override;
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virtual nscoord GetPrefISize(gfxContext* aRenderingContext) override;
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// Our auto size is that provided by nsFrame, not nsLeafFrame
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mozilla::LogicalSize ComputeAutoSize(
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gfxContext* aRenderingContext, mozilla::WritingMode aWM,
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const mozilla::LogicalSize& aCBSize, nscoord aAvailableISize,
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const mozilla::LogicalSize& aMargin,
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const mozilla::LogicalSize& aBorderPadding,
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const mozilla::StyleSizeOverrides& aSizeOverrides,
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mozilla::ComputeSizeFlags aFlags) override;
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virtual void Reflow(nsPresContext* aPresContext, ReflowOutput& aDesiredSize,
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const ReflowInput& aReflowInput,
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nsReflowStatus& aStatus) override;
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virtual nsresult CharacterDataChanged(
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const CharacterDataChangeInfo&) override;
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virtual void Init(nsIContent* aContent, nsContainerFrame* aParent,
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nsIFrame* asPrevInFlow) override;
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virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
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const nsDisplayListSet& aLists) override;
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virtual bool XULComputesOwnOverflowArea() override { return false; }
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protected:
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NS_IMETHOD DoXULLayout(nsBoxLayoutState& aState) override;
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virtual nscoord GetIntrinsicISize() override;
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explicit nsLeafBoxFrame(ComputedStyle* aStyle, nsPresContext* aPresContext,
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ClassID aID = kClassID)
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: nsLeafFrame(aStyle, aPresContext, aID) {}
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}; // class nsLeafBoxFrame
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#endif /* nsLeafBoxFrame_h___ */
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