layout/style/SVGAttrAnimationRuleProcessor.cpp

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  *
   3  * This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   6  */
   7
   8 /*
   9  * style rule processor for rules from SMIL Animation of SVG mapped
  10  * attributes (attributes whose values are mapped into style)
  11  */
  12
  13 #include "SVGAttrAnimationRuleProcessor.h"
  14 #include "nsRuleProcessorData.h"
  15 #include "nsSVGElement.h"
  16
  17 using namespace mozilla;
  18 using namespace mozilla::dom;
  19
  20 SVGAttrAnimationRuleProcessor::SVGAttrAnimationRuleProcessor()
  21 {
  22 }
  23
  24 SVGAttrAnimationRuleProcessor::~SVGAttrAnimationRuleProcessor()
  25 {
  26 }
  27
  28 NS_IMPL_ISUPPORTS(SVGAttrAnimationRuleProcessor, nsIStyleRuleProcessor)
  29
  30 /* virtual */ void
  31 SVGAttrAnimationRuleProcessor::RulesMatching(ElementRuleProcessorData* aData)
  32 {
  33   ElementRulesMatching(aData->mElement, aData->mRuleWalker);
  34 }
  35
  36 void
  37 SVGAttrAnimationRuleProcessor::ElementRulesMatching(Element* aElement,
  38                                                     nsRuleWalker* aRuleWalker)
  39 {
  40   if (aElement->IsSVG()) {
  41     static_cast<nsSVGElement*>(aElement)->
  42       WalkAnimatedContentStyleRules(aRuleWalker);
  43   }
  44 }
  45
  46 /* virtual */ nsRestyleHint
  47 SVGAttrAnimationRuleProcessor::HasStateDependentStyle(StateRuleProcessorData* aData)
  48 {
  49   return nsRestyleHint(0);
  50 }
  51
  52 /* virtual */ nsRestyleHint
  53 SVGAttrAnimationRuleProcessor::HasStateDependentStyle(PseudoElementStateRuleProcessorData* aData)
  54 {
  55   return nsRestyleHint(0);
  56 }
  57
  58 /* virtual */ bool
  59 SVGAttrAnimationRuleProcessor::HasDocumentStateDependentStyle(StateRuleProcessorData* aData)
  60 {
  61   return false;
  62 }
  63
  64 /* virtual */ nsRestyleHint
  65 SVGAttrAnimationRuleProcessor::HasAttributeDependentStyle(AttributeRuleProcessorData* aData)
  66 {
  67   return nsRestyleHint(0);
  68 }
  69
  70 /* virtual */ bool
  71 SVGAttrAnimationRuleProcessor::MediumFeaturesChanged(nsPresContext* aPresContext)
  72 {
  73   return false;
  74 }
  75
  76 /* virtual */ void
  77 SVGAttrAnimationRuleProcessor::RulesMatching(PseudoElementRuleProcessorData* aData)
  78 {
  79   // If SMIL Animation of SVG attributes can ever target
  80   // pseudo-elements, we need to adjust either
  81   // nsStyleSet::RuleNodeWithReplacement or the test in
  82   // ElementRestyler::RestyleSelf (added in bug 977991 patch 4) to
  83   // handle such styles.
  84 }
  85
  86 /* virtual */ void
  87 SVGAttrAnimationRuleProcessor::RulesMatching(AnonBoxRuleProcessorData* aData)
  88 {
  89   // If SMIL Animation of SVG attributes can ever target anonymous boxes,
  90   // see comment in RulesMatching(PseudoElementRuleProcessorData*).
  91 }
  92
  93 #ifdef MOZ_XUL
  94 /* virtual */ void
  95 SVGAttrAnimationRuleProcessor::RulesMatching(XULTreeRuleProcessorData* aData)
  96 {
  97   // If SMIL Animation of SVG attributes can ever target XUL tree pseudos,
  98   // see comment in RulesMatching(PseudoElementRuleProcessorData*).
  99 }
 100 #endif
 101
 102 /* virtual */ size_t
 103 SVGAttrAnimationRuleProcessor::SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const
 104 {
 105   return 0; // SVGAttrAnimationRuleProcessors are charged to the DOM, not layout
 106 }
 107
 108 /* virtual */ size_t
 109 SVGAttrAnimationRuleProcessor::SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const
 110 {
 111   return 0; // SVGAttrAnimationRuleProcessors are charged to the DOM, not layout
 112 }
 113
 114 size_t
 115 SVGAttrAnimationRuleProcessor::DOMSizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const
 116 {
 117   size_t n = aMallocSizeOf(this);
 118
 119   return n;
 120 }