зеркало из https://github.com/mozilla/gecko-dev.git
80 строки
3.0 KiB
C++
80 строки
3.0 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 GetXULFlex() 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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virtual 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, const mozilla::LogicalSize& aBorder,
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const mozilla::LogicalSize& aPadding, 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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