layout/style/nsHTMLStyleSheet.h

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/layout/style/nsHTMLStyleSheet.h	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,159 @@
     1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
     1.5 + *
     1.6 + * This Source Code Form is subject to the terms of the Mozilla Public
     1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.9 +
    1.10 +/*
    1.11 + * style sheet and style rule processor representing data from presentational
    1.12 + * HTML attributes
    1.13 + */
    1.14 +
    1.15 +#ifndef nsHTMLStyleSheet_h_
    1.16 +#define nsHTMLStyleSheet_h_
    1.17 +
    1.18 +#include "nsAutoPtr.h"
    1.19 +#include "nsColor.h"
    1.20 +#include "nsCOMPtr.h"
    1.21 +#include "nsIStyleRule.h"
    1.22 +#include "nsIStyleRuleProcessor.h"
    1.23 +#include "pldhash.h"
    1.24 +#include "mozilla/Attributes.h"
    1.25 +#include "mozilla/MemoryReporting.h"
    1.26 +#include "nsString.h"
    1.27 +
    1.28 +class nsIDocument;
    1.29 +class nsMappedAttributes;
    1.30 +
    1.31 +class nsHTMLStyleSheet MOZ_FINAL : public nsIStyleRuleProcessor
    1.32 +{
    1.33 +public:
    1.34 +  nsHTMLStyleSheet(nsIDocument* aDocument);
    1.35 +
    1.36 +  void SetOwningDocument(nsIDocument* aDocument);
    1.37 +
    1.38 +  NS_DECL_ISUPPORTS
    1.39 +
    1.40 +  // nsIStyleRuleProcessor API
    1.41 +  virtual void RulesMatching(ElementRuleProcessorData* aData) MOZ_OVERRIDE;
    1.42 +  virtual void RulesMatching(PseudoElementRuleProcessorData* aData) MOZ_OVERRIDE;
    1.43 +  virtual void RulesMatching(AnonBoxRuleProcessorData* aData) MOZ_OVERRIDE;
    1.44 +#ifdef MOZ_XUL
    1.45 +  virtual void RulesMatching(XULTreeRuleProcessorData* aData) MOZ_OVERRIDE;
    1.46 +#endif
    1.47 +  virtual nsRestyleHint HasStateDependentStyle(StateRuleProcessorData* aData) MOZ_OVERRIDE;
    1.48 +  virtual nsRestyleHint HasStateDependentStyle(PseudoElementStateRuleProcessorData* aData) MOZ_OVERRIDE;
    1.49 +  virtual bool HasDocumentStateDependentStyle(StateRuleProcessorData* aData) MOZ_OVERRIDE;
    1.50 +  virtual nsRestyleHint
    1.51 +    HasAttributeDependentStyle(AttributeRuleProcessorData* aData) MOZ_OVERRIDE;
    1.52 +  virtual bool MediumFeaturesChanged(nsPresContext* aPresContext) MOZ_OVERRIDE;
    1.53 +  virtual size_t SizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf)
    1.54 +    const MOZ_MUST_OVERRIDE MOZ_OVERRIDE;
    1.55 +  virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf)
    1.56 +    const MOZ_MUST_OVERRIDE MOZ_OVERRIDE;
    1.57 +  size_t DOMSizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
    1.58 +
    1.59 +  void Reset();
    1.60 +  nsresult SetLinkColor(nscolor aColor);
    1.61 +  nsresult SetActiveLinkColor(nscolor aColor);
    1.62 +  nsresult SetVisitedLinkColor(nscolor aColor);
    1.63 +
    1.64 +  // Mapped Attribute management methods
    1.65 +  already_AddRefed<nsMappedAttributes>
    1.66 +    UniqueMappedAttributes(nsMappedAttributes* aMapped);
    1.67 +  void DropMappedAttributes(nsMappedAttributes* aMapped);
    1.68 +
    1.69 +  nsIStyleRule* LangRuleFor(const nsString& aLanguage);
    1.70 +
    1.71 +private: 
    1.72 +  nsHTMLStyleSheet(const nsHTMLStyleSheet& aCopy) MOZ_DELETE;
    1.73 +  nsHTMLStyleSheet& operator=(const nsHTMLStyleSheet& aCopy) MOZ_DELETE;
    1.74 +
    1.75 +  ~nsHTMLStyleSheet();
    1.76 +
    1.77 +  class HTMLColorRule;
    1.78 +  friend class HTMLColorRule;
    1.79 +  class HTMLColorRule MOZ_FINAL : public nsIStyleRule {
    1.80 +  public:
    1.81 +    HTMLColorRule() {}
    1.82 +
    1.83 +    NS_DECL_ISUPPORTS
    1.84 +
    1.85 +    // nsIStyleRule interface
    1.86 +    virtual void MapRuleInfoInto(nsRuleData* aRuleData) MOZ_OVERRIDE;
    1.87 +  #ifdef DEBUG
    1.88 +    virtual void List(FILE* out = stdout, int32_t aIndent = 0) const MOZ_OVERRIDE;
    1.89 +  #endif
    1.90 +
    1.91 +    nscolor             mColor;
    1.92 +  };
    1.93 +
    1.94 +  // Implementation of SetLink/VisitedLink/ActiveLinkColor
    1.95 +  nsresult ImplLinkColorSetter(nsRefPtr<HTMLColorRule>& aRule, nscolor aColor);
    1.96 +
    1.97 +  class GenericTableRule;
    1.98 +  friend class GenericTableRule;
    1.99 +  class GenericTableRule : public nsIStyleRule {
   1.100 +  public:
   1.101 +    GenericTableRule() {}
   1.102 +    virtual ~GenericTableRule() {}
   1.103 +
   1.104 +    NS_DECL_ISUPPORTS
   1.105 +
   1.106 +    // nsIStyleRule interface
   1.107 +    virtual void MapRuleInfoInto(nsRuleData* aRuleData) MOZ_OVERRIDE = 0;
   1.108 +  #ifdef DEBUG
   1.109 +    virtual void List(FILE* out = stdout, int32_t aIndent = 0) const MOZ_OVERRIDE;
   1.110 +  #endif
   1.111 +  };
   1.112 +
   1.113 +  // this rule handles <th> inheritance
   1.114 +  class TableTHRule;
   1.115 +  friend class TableTHRule;
   1.116 +  class TableTHRule MOZ_FINAL : public GenericTableRule {
   1.117 +  public:
   1.118 +    TableTHRule() {}
   1.119 +
   1.120 +    virtual void MapRuleInfoInto(nsRuleData* aRuleData) MOZ_OVERRIDE;
   1.121 +  };
   1.122 +
   1.123 +  // Rule to handle quirk table colors
   1.124 +  class TableQuirkColorRule MOZ_FINAL : public GenericTableRule {
   1.125 +  public:
   1.126 +    TableQuirkColorRule() {}
   1.127 +
   1.128 +    virtual void MapRuleInfoInto(nsRuleData* aRuleData) MOZ_OVERRIDE;
   1.129 +  };
   1.130 +
   1.131 +public: // for mLangRuleTable structures only
   1.132 +
   1.133 +  // Rule to handle xml:lang attributes, of which we have exactly one
   1.134 +  // per language string, maintained in mLangRuleTable.
   1.135 +  class LangRule MOZ_FINAL : public nsIStyleRule {
   1.136 +  public:
   1.137 +    LangRule(const nsSubstring& aLang) : mLang(aLang) {}
   1.138 +
   1.139 +    NS_DECL_ISUPPORTS
   1.140 +
   1.141 +    // nsIStyleRule interface
   1.142 +    virtual void MapRuleInfoInto(nsRuleData* aRuleData) MOZ_OVERRIDE;
   1.143 +  #ifdef DEBUG
   1.144 +    virtual void List(FILE* out = stdout, int32_t aIndent = 0) const MOZ_OVERRIDE;
   1.145 +  #endif
   1.146 +
   1.147 +    nsString mLang;
   1.148 +  };
   1.149 +
   1.150 +private:
   1.151 +  nsIDocument*            mDocument;
   1.152 +  nsRefPtr<HTMLColorRule> mLinkRule;
   1.153 +  nsRefPtr<HTMLColorRule> mVisitedRule;
   1.154 +  nsRefPtr<HTMLColorRule> mActiveRule;
   1.155 +  nsRefPtr<TableQuirkColorRule> mTableQuirkColorRule;
   1.156 +  nsRefPtr<TableTHRule>   mTableTHRule;
   1.157 +
   1.158 +  PLDHashTable            mMappedAttrTable;
   1.159 +  PLDHashTable            mLangRuleTable;
   1.160 +};
   1.161 +
   1.162 +#endif /* !defined(nsHTMLStyleSheet_h_) */

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