зеркало из https://github.com/mozilla/gecko-dev.git
60 строки
1.6 KiB
C++
60 строки
1.6 KiB
C++
/* -*- 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() {}
|
|
|
|
/** 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_) */
|