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1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
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2 /* This Source Code Form is subject to the terms of the Mozilla Public |
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3 * License, v. 2.0. If a copy of the MPL was not distributed with this |
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4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
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5 |
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6 #ifndef nsMathMLmrootFrame_h___ |
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7 #define nsMathMLmrootFrame_h___ |
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8 |
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9 #include "mozilla/Attributes.h" |
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10 #include "nsMathMLContainerFrame.h" |
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11 #include "nsMathMLChar.h" |
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12 |
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13 // |
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14 // <msqrt> and <mroot> -- form a radical |
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15 // |
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16 |
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17 class nsMathMLmrootFrame : public nsMathMLContainerFrame { |
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18 public: |
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19 NS_DECL_FRAMEARENA_HELPERS |
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20 |
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21 friend nsIFrame* NS_NewMathMLmrootFrame(nsIPresShell* aPresShell, nsStyleContext* aContext); |
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22 |
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23 virtual void |
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24 SetAdditionalStyleContext(int32_t aIndex, |
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25 nsStyleContext* aStyleContext) MOZ_OVERRIDE; |
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26 virtual nsStyleContext* |
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27 GetAdditionalStyleContext(int32_t aIndex) const MOZ_OVERRIDE; |
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28 |
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29 virtual void |
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30 Init(nsIContent* aContent, |
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31 nsIFrame* aParent, |
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32 nsIFrame* aPrevInFlow) MOZ_OVERRIDE; |
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33 |
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34 NS_IMETHOD |
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35 TransmitAutomaticData() MOZ_OVERRIDE; |
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36 |
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37 virtual nsresult |
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38 Reflow(nsPresContext* aPresContext, |
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39 nsHTMLReflowMetrics& aDesiredSize, |
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40 const nsHTMLReflowState& aReflowState, |
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41 nsReflowStatus& aStatus) MOZ_OVERRIDE; |
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42 |
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43 virtual void |
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44 GetIntrinsicWidthMetrics(nsRenderingContext* aRenderingContext, |
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45 nsHTMLReflowMetrics& aDesiredSize) MOZ_OVERRIDE; |
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46 |
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47 virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder, |
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48 const nsRect& aDirtyRect, |
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49 const nsDisplayListSet& aLists) MOZ_OVERRIDE; |
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50 |
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51 uint8_t |
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52 ScriptIncrement(nsIFrame* aFrame) MOZ_OVERRIDE |
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53 { |
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54 return (aFrame && aFrame == mFrames.LastChild()) ? 2 : 0; |
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55 } |
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56 |
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57 protected: |
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58 nsMathMLmrootFrame(nsStyleContext* aContext); |
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59 virtual ~nsMathMLmrootFrame(); |
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60 |
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61 nsMathMLChar mSqrChar; |
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62 nsRect mBarRect; |
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63 }; |
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64 |
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65 #endif /* nsMathMLmrootFrame_h___ */ |