зеркало из https://github.com/mozilla/gecko-dev.git
67 строки
2.4 KiB
C++
67 строки
2.4 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/* This Source Code is subject to the terms of the Mozilla Public License
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* version 2.0 (the "License"). You can obtain a copy of the License at
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* http://mozilla.org/MPL/2.0/. */
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/* rendering object for CSS "display: grid | inline-grid" */
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#ifndef nsGridContainerFrame_h___
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#define nsGridContainerFrame_h___
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#include "nsContainerFrame.h"
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#include "nsHashKeys.h"
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#include "nsTHashtable.h"
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/**
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* Factory function.
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* @return a newly allocated nsGridContainerFrame (infallible)
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*/
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nsContainerFrame* NS_NewGridContainerFrame(nsIPresShell* aPresShell,
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nsStyleContext* aContext);
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class nsGridContainerFrame MOZ_FINAL : public nsContainerFrame
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{
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public:
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NS_DECL_FRAMEARENA_HELPERS
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NS_DECL_QUERYFRAME_TARGET(nsGridContainerFrame)
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NS_DECL_QUERYFRAME
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// nsIFrame overrides
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void Reflow(nsPresContext* aPresContext,
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nsHTMLReflowMetrics& aDesiredSize,
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const nsHTMLReflowState& aReflowState,
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nsReflowStatus& aStatus) MOZ_OVERRIDE;
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virtual nsIAtom* GetType() const MOZ_OVERRIDE;
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#ifdef DEBUG_FRAME_DUMP
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virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE;
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#endif
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protected:
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friend nsContainerFrame* NS_NewGridContainerFrame(nsIPresShell* aPresShell,
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nsStyleContext* aContext);
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explicit nsGridContainerFrame(nsStyleContext* aContext) : nsContainerFrame(aContext) {}
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/**
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* XXX temporary - move the ImplicitNamedAreas stuff to the style system.
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* The implicit area names that come from x-start .. x-end lines in
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* grid-template-columns / grid-template-rows are stored in this frame
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* property when needed, as a ImplicitNamedAreas* value.
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*/
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NS_DECLARE_FRAME_PROPERTY(ImplicitNamedAreasProperty,
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DeleteValue<ImplicitNamedAreas>)
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void InitImplicitNamedAreas(const nsStylePosition* aStyle);
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void AddImplicitNamedAreas(const nsTArray<nsTArray<nsString>>& aLineNameLists);
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typedef nsTHashtable<nsStringHashKey> ImplicitNamedAreas;
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ImplicitNamedAreas* GetImplicitNamedAreas() const {
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return static_cast<ImplicitNamedAreas*>(Properties().Get(ImplicitNamedAreasProperty()));
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}
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#ifdef DEBUG
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void SanityCheckAnonymousGridItems() const;
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#endif // DEBUG
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};
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#endif /* nsGridContainerFrame_h___ */
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