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88 lines
3.1 KiB
C++
88 lines
3.1 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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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla's table layout code.
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*
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* The Initial Developer of the Original Code is the Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2006
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* L. David Baron <dbaron@dbaron.org> (original author)
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/*
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* interface for the set of algorithms that determine column and table
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* widths
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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 nsRenderingContext;
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struct nsHTMLReflowState;
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class nsITableLayoutStrategy
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{
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public:
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virtual ~nsITableLayoutStrategy() {}
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/** Implement nsIFrame::GetMinWidth for the table */
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virtual nscoord GetMinWidth(nsRenderingContext* aRenderingContext) = 0;
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/** Implement nsIFrame::GetPrefWidth for the table */
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virtual nscoord GetPrefWidth(nsRenderingContext* aRenderingContext,
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bool aComputingSize) = 0;
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/** Implement nsIFrame::MarkIntrinsicWidthsDirty for the table */
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virtual void MarkIntrinsicWidthsDirty() = 0;
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/**
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* Compute final column widths based on the intrinsic width data and
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* the available width.
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*/
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virtual void ComputeColumnWidths(const nsHTMLReflowState& aReflowState) = 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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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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