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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
// vim:cindent:ts=4:et:sw=4:
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/*
* interface for the set of algorithms that determine column and table
* isizes
*/
#ifndef nsITableLayoutStrategy_h_
#define nsITableLayoutStrategy_h_
#include "nscore.h"
#include "nsCoord.h"
class gfxContext;
namespace mozilla {
struct ReflowInput;
} // namespace mozilla
class nsITableLayoutStrategy {
public:
using ReflowInput = mozilla::ReflowInput;
virtual ~nsITableLayoutStrategy() = default;
/** Implement nsIFrame::GetMinISize for the table */
virtual nscoord GetMinISize(gfxContext* aRenderingContext) = 0;
/** Implement nsIFrame::GetPrefISize for the table */
virtual nscoord GetPrefISize(gfxContext* aRenderingContext,
bool aComputingSize) = 0;
/** Implement nsIFrame::MarkIntrinsicISizesDirty for the table */
virtual void MarkIntrinsicISizesDirty() = 0;
/**
* Compute final column isizes based on the intrinsic isize data and
* the available isize.
*/
virtual void ComputeColumnISizes(const ReflowInput& aReflowInput) = 0;
/**
* Return the type of table layout strategy, without the cost of
* a virtual function call
*/
enum Type { Auto, Fixed };
Type GetType() const { return mType; }
protected:
explicit nsITableLayoutStrategy(Type aType) : mType(aType) {}
private:
Type mType;
};
#endif /* !defined(nsITableLayoutStrategy_h_) */
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