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60 lines
1.7 KiB
C++
60 lines
1.7 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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// vim:cindent:ts=4:et:sw=4:
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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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/*
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* interface for the set of algorithms that determine column and table
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* isizes
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*/
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#ifndef nsITableLayoutStrategy_h_
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#define nsITableLayoutStrategy_h_
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#include "nscore.h"
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#include "nsCoord.h"
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class gfxContext;
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namespace mozilla {
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struct ReflowInput;
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} // namespace mozilla
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class nsITableLayoutStrategy
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{
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public:
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using ReflowInput = mozilla::ReflowInput;
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virtual ~nsITableLayoutStrategy() {}
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/** Implement nsIFrame::GetMinISize for the table */
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virtual nscoord GetMinISize(gfxContext* aRenderingContext) = 0;
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/** Implement nsIFrame::GetPrefISize for the table */
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virtual nscoord GetPrefISize(gfxContext* aRenderingContext,
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bool aComputingSize) = 0;
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/** Implement nsIFrame::MarkIntrinsicISizesDirty for the table */
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virtual void MarkIntrinsicISizesDirty() = 0;
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/**
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* Compute final column isizes based on the intrinsic isize data and
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* the available isize.
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*/
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virtual void ComputeColumnISizes(const ReflowInput& aReflowInput) = 0;
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/**
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* Return the type of table layout strategy, without the cost of
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* a virtual function call
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*/
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enum Type { Auto, Fixed };
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Type GetType() const { return mType; }
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protected:
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explicit nsITableLayoutStrategy(Type aType) : mType(aType) {}
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private:
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Type mType;
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};
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#endif /* !defined(nsITableLayoutStrategy_h_) */
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