1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/layout/mathml/nsMathMLmtableFrame.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,268 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef nsMathMLmtableFrame_h___
1.10 +#define nsMathMLmtableFrame_h___
1.11 +
1.12 +#include "mozilla/Attributes.h"
1.13 +#include "nsMathMLContainerFrame.h"
1.14 +#include "nsBlockFrame.h"
1.15 +#include "nsTableOuterFrame.h"
1.16 +#include "nsTableRowFrame.h"
1.17 +#include "nsTableCellFrame.h"
1.18 +
1.19 +//
1.20 +// <mtable> -- table or matrix
1.21 +//
1.22 +
1.23 +class nsMathMLmtableOuterFrame : public nsTableOuterFrame,
1.24 + public nsMathMLFrame
1.25 +{
1.26 +public:
1.27 + friend nsIFrame* NS_NewMathMLmtableOuterFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
1.28 +
1.29 + NS_DECL_QUERYFRAME
1.30 + NS_DECL_FRAMEARENA_HELPERS
1.31 +
1.32 + // overloaded nsTableOuterFrame methods
1.33 +
1.34 + virtual nsresult
1.35 + Reflow(nsPresContext* aPresContext,
1.36 + nsHTMLReflowMetrics& aDesiredSize,
1.37 + const nsHTMLReflowState& aReflowState,
1.38 + nsReflowStatus& aStatus) MOZ_OVERRIDE;
1.39 +
1.40 + virtual nsresult
1.41 + AttributeChanged(int32_t aNameSpaceID,
1.42 + nsIAtom* aAttribute,
1.43 + int32_t aModType) MOZ_OVERRIDE;
1.44 +
1.45 + virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE
1.46 + {
1.47 + return nsTableOuterFrame::IsFrameOfType(aFlags & ~(nsIFrame::eMathML));
1.48 + }
1.49 +
1.50 +protected:
1.51 + nsMathMLmtableOuterFrame(nsStyleContext* aContext) : nsTableOuterFrame(aContext) {}
1.52 + virtual ~nsMathMLmtableOuterFrame();
1.53 +
1.54 + // helper to find the row frame at a given index, positive or negative, e.g.,
1.55 + // 1..n means the first row down to the last row, -1..-n means the last row
1.56 + // up to the first row. Used for alignments that are relative to a given row
1.57 + nsIFrame*
1.58 + GetRowFrameAt(nsPresContext* aPresContext,
1.59 + int32_t aRowIndex);
1.60 +}; // class nsMathMLmtableOuterFrame
1.61 +
1.62 +// --------------
1.63 +
1.64 +class nsMathMLmtableFrame : public nsTableFrame
1.65 +{
1.66 +public:
1.67 + NS_DECL_FRAMEARENA_HELPERS
1.68 +
1.69 + friend nsIFrame* NS_NewMathMLmtableFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
1.70 +
1.71 + // Overloaded nsTableFrame methods
1.72 +
1.73 + virtual nsresult
1.74 + SetInitialChildList(ChildListID aListID,
1.75 + nsFrameList& aChildList) MOZ_OVERRIDE;
1.76 +
1.77 + virtual nsresult
1.78 + AppendFrames(ChildListID aListID,
1.79 + nsFrameList& aFrameList) MOZ_OVERRIDE
1.80 + {
1.81 + nsresult rv = nsTableFrame::AppendFrames(aListID, aFrameList);
1.82 + RestyleTable();
1.83 + return rv;
1.84 + }
1.85 +
1.86 + virtual nsresult
1.87 + InsertFrames(ChildListID aListID,
1.88 + nsIFrame* aPrevFrame,
1.89 + nsFrameList& aFrameList) MOZ_OVERRIDE
1.90 + {
1.91 + nsresult rv = nsTableFrame::InsertFrames(aListID, aPrevFrame, aFrameList);
1.92 + RestyleTable();
1.93 + return rv;
1.94 + }
1.95 +
1.96 + virtual nsresult
1.97 + RemoveFrame(ChildListID aListID,
1.98 + nsIFrame* aOldFrame) MOZ_OVERRIDE
1.99 + {
1.100 + nsresult rv = nsTableFrame::RemoveFrame(aListID, aOldFrame);
1.101 + RestyleTable();
1.102 + return rv;
1.103 + }
1.104 +
1.105 + virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE
1.106 + {
1.107 + return nsTableFrame::IsFrameOfType(aFlags & ~(nsIFrame::eMathML));
1.108 + }
1.109 +
1.110 + // helper to restyle and reflow the table when a row is changed -- since MathML
1.111 + // attributes are inter-dependent and row/colspan can affect the table, it is
1.112 + // safer (albeit grossly suboptimal) to just relayout the whole thing.
1.113 + void RestyleTable();
1.114 +
1.115 +protected:
1.116 + nsMathMLmtableFrame(nsStyleContext* aContext) : nsTableFrame(aContext) {}
1.117 + virtual ~nsMathMLmtableFrame();
1.118 +}; // class nsMathMLmtableFrame
1.119 +
1.120 +// --------------
1.121 +
1.122 +class nsMathMLmtrFrame : public nsTableRowFrame
1.123 +{
1.124 +public:
1.125 + NS_DECL_FRAMEARENA_HELPERS
1.126 +
1.127 + friend nsIFrame* NS_NewMathMLmtrFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
1.128 +
1.129 + // overloaded nsTableRowFrame methods
1.130 +
1.131 + virtual nsresult
1.132 + AttributeChanged(int32_t aNameSpaceID,
1.133 + nsIAtom* aAttribute,
1.134 + int32_t aModType) MOZ_OVERRIDE;
1.135 +
1.136 + virtual nsresult
1.137 + AppendFrames(ChildListID aListID,
1.138 + nsFrameList& aFrameList) MOZ_OVERRIDE
1.139 + {
1.140 + nsresult rv = nsTableRowFrame::AppendFrames(aListID, aFrameList);
1.141 + RestyleTable();
1.142 + return rv;
1.143 + }
1.144 +
1.145 + virtual nsresult
1.146 + InsertFrames(ChildListID aListID,
1.147 + nsIFrame* aPrevFrame,
1.148 + nsFrameList& aFrameList) MOZ_OVERRIDE
1.149 + {
1.150 + nsresult rv = nsTableRowFrame::InsertFrames(aListID, aPrevFrame, aFrameList);
1.151 + RestyleTable();
1.152 + return rv;
1.153 + }
1.154 +
1.155 + virtual nsresult
1.156 + RemoveFrame(ChildListID aListID,
1.157 + nsIFrame* aOldFrame) MOZ_OVERRIDE
1.158 + {
1.159 + nsresult rv = nsTableRowFrame::RemoveFrame(aListID, aOldFrame);
1.160 + RestyleTable();
1.161 + return rv;
1.162 + }
1.163 +
1.164 + virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE
1.165 + {
1.166 + return nsTableRowFrame::IsFrameOfType(aFlags & ~(nsIFrame::eMathML));
1.167 + }
1.168 +
1.169 + // helper to restyle and reflow the table -- @see nsMathMLmtableFrame.
1.170 + void RestyleTable()
1.171 + {
1.172 + nsTableFrame* tableFrame = nsTableFrame::GetTableFrame(this);
1.173 + if (tableFrame && tableFrame->IsFrameOfType(nsIFrame::eMathML)) {
1.174 + // relayout the table
1.175 + ((nsMathMLmtableFrame*)tableFrame)->RestyleTable();
1.176 + }
1.177 + }
1.178 +
1.179 +protected:
1.180 + nsMathMLmtrFrame(nsStyleContext* aContext) : nsTableRowFrame(aContext) {}
1.181 + virtual ~nsMathMLmtrFrame();
1.182 +}; // class nsMathMLmtrFrame
1.183 +
1.184 +// --------------
1.185 +
1.186 +class nsMathMLmtdFrame : public nsTableCellFrame
1.187 +{
1.188 +public:
1.189 + NS_DECL_FRAMEARENA_HELPERS
1.190 +
1.191 + friend nsIFrame* NS_NewMathMLmtdFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
1.192 +
1.193 + // overloaded nsTableCellFrame methods
1.194 +
1.195 + virtual nsresult
1.196 + AttributeChanged(int32_t aNameSpaceID,
1.197 + nsIAtom* aAttribute,
1.198 + int32_t aModType) MOZ_OVERRIDE;
1.199 +
1.200 + virtual uint8_t GetVerticalAlign() const MOZ_OVERRIDE;
1.201 + virtual nsresult ProcessBorders(nsTableFrame* aFrame,
1.202 + nsDisplayListBuilder* aBuilder,
1.203 + const nsDisplayListSet& aLists) MOZ_OVERRIDE;
1.204 +
1.205 + virtual int32_t GetRowSpan() MOZ_OVERRIDE;
1.206 + virtual int32_t GetColSpan() MOZ_OVERRIDE;
1.207 + virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE
1.208 + {
1.209 + return nsTableCellFrame::IsFrameOfType(aFlags & ~(nsIFrame::eMathML));
1.210 + }
1.211 +
1.212 + virtual nsMargin* GetBorderWidth(nsMargin& aBorder) const MOZ_OVERRIDE;
1.213 +
1.214 +protected:
1.215 + nsMathMLmtdFrame(nsStyleContext* aContext) : nsTableCellFrame(aContext) {}
1.216 + virtual ~nsMathMLmtdFrame();
1.217 +}; // class nsMathMLmtdFrame
1.218 +
1.219 +// --------------
1.220 +
1.221 +class nsMathMLmtdInnerFrame : public nsBlockFrame,
1.222 + public nsMathMLFrame {
1.223 +public:
1.224 + friend nsIFrame* NS_NewMathMLmtdInnerFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
1.225 +
1.226 + NS_DECL_QUERYFRAME
1.227 + NS_DECL_FRAMEARENA_HELPERS
1.228 +
1.229 + // Overloaded nsIMathMLFrame methods
1.230 +
1.231 + NS_IMETHOD
1.232 + UpdatePresentationDataFromChildAt(int32_t aFirstIndex,
1.233 + int32_t aLastIndex,
1.234 + uint32_t aFlagsValues,
1.235 + uint32_t aFlagsToUpdate) MOZ_OVERRIDE
1.236 + {
1.237 + nsMathMLContainerFrame::PropagatePresentationDataFromChildAt(this,
1.238 + aFirstIndex, aLastIndex, aFlagsValues, aFlagsToUpdate);
1.239 + return NS_OK;
1.240 + }
1.241 +
1.242 + virtual nsresult
1.243 + Reflow(nsPresContext* aPresContext,
1.244 + nsHTMLReflowMetrics& aDesiredSize,
1.245 + const nsHTMLReflowState& aReflowState,
1.246 + nsReflowStatus& aStatus) MOZ_OVERRIDE;
1.247 +
1.248 + virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE
1.249 + {
1.250 + return nsBlockFrame::IsFrameOfType(aFlags &
1.251 + ~(nsIFrame::eMathML | nsIFrame::eExcludesIgnorableWhitespace));
1.252 + }
1.253 +
1.254 + virtual const nsStyleText* StyleTextForLineLayout() MOZ_OVERRIDE;
1.255 + virtual void DidSetStyleContext(nsStyleContext* aOldStyleContext) MOZ_OVERRIDE;
1.256 +
1.257 + bool
1.258 + IsMrowLike() MOZ_OVERRIDE {
1.259 + return mFrames.FirstChild() != mFrames.LastChild() ||
1.260 + !mFrames.FirstChild();
1.261 + }
1.262 +
1.263 +protected:
1.264 + nsMathMLmtdInnerFrame(nsStyleContext* aContext);
1.265 + virtual ~nsMathMLmtdInnerFrame();
1.266 +
1.267 + nsStyleText* mUniqueStyleText;
1.268 +
1.269 +}; // class nsMathMLmtdInnerFrame
1.270 +
1.271 +#endif /* nsMathMLmtableFrame_h___ */
