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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 // Keep in (case-insensitive) order: |
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7 #include "nsFrame.h" |
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8 #include "nsGkAtoms.h" |
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9 #include "nsSVGEffects.h" |
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10 #include "nsSVGFilters.h" |
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11 |
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12 typedef nsFrame SVGFEUnstyledLeafFrameBase; |
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13 |
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14 class SVGFEUnstyledLeafFrame : public SVGFEUnstyledLeafFrameBase |
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15 { |
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16 friend nsIFrame* |
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17 NS_NewSVGFEUnstyledLeafFrame(nsIPresShell* aPresShell, nsStyleContext* aContext); |
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18 protected: |
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19 SVGFEUnstyledLeafFrame(nsStyleContext* aContext) |
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20 : SVGFEUnstyledLeafFrameBase(aContext) |
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21 { |
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22 AddStateBits(NS_FRAME_SVG_LAYOUT | NS_FRAME_IS_NONDISPLAY); |
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23 } |
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24 |
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25 public: |
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26 NS_DECL_FRAMEARENA_HELPERS |
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27 |
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28 virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder, |
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29 const nsRect& aDirtyRect, |
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30 const nsDisplayListSet& aLists) MOZ_OVERRIDE {} |
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31 |
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32 virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE |
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33 { |
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34 return SVGFEUnstyledLeafFrameBase::IsFrameOfType(aFlags & ~(nsIFrame::eSVG)); |
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35 } |
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36 |
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37 #ifdef DEBUG_FRAME_DUMP |
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38 virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE |
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39 { |
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40 return MakeFrameName(NS_LITERAL_STRING("SVGFEUnstyledLeaf"), aResult); |
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41 } |
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42 #endif |
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43 |
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44 /** |
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45 * Get the "type" of the frame |
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46 * |
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47 * @see nsGkAtoms::svgFEUnstyledLeafFrame |
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48 */ |
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49 virtual nsIAtom* GetType() const MOZ_OVERRIDE; |
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50 |
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51 virtual nsresult AttributeChanged(int32_t aNameSpaceID, |
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52 nsIAtom* aAttribute, |
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53 int32_t aModType) MOZ_OVERRIDE; |
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54 |
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55 virtual bool UpdateOverflow() MOZ_OVERRIDE { |
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56 // We don't maintain a visual overflow rect |
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57 return false; |
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58 } |
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59 }; |
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60 |
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61 nsIFrame* |
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62 NS_NewSVGFEUnstyledLeafFrame(nsIPresShell* aPresShell, nsStyleContext* aContext) |
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63 { |
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64 return new (aPresShell) SVGFEUnstyledLeafFrame(aContext); |
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65 } |
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66 |
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67 NS_IMPL_FRAMEARENA_HELPERS(SVGFEUnstyledLeafFrame) |
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68 |
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69 nsIAtom * |
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70 SVGFEUnstyledLeafFrame::GetType() const |
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71 { |
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72 return nsGkAtoms::svgFEUnstyledLeafFrame; |
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73 } |
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74 |
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75 nsresult |
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76 SVGFEUnstyledLeafFrame::AttributeChanged(int32_t aNameSpaceID, |
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77 nsIAtom* aAttribute, |
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78 int32_t aModType) |
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79 { |
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80 SVGFEUnstyledElement *element = static_cast<SVGFEUnstyledElement*>(mContent); |
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81 if (element->AttributeAffectsRendering(aNameSpaceID, aAttribute)) { |
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82 nsSVGEffects::InvalidateRenderingObservers(this); |
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83 } |
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84 |
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85 return SVGFEUnstyledLeafFrameBase::AttributeChanged(aNameSpaceID, |
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86 aAttribute, aModType); |
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87 } |