The Tor Browser: layout/style/nsHTMLCSSStyleSheet.h@925c144e1f1f

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 /*

     7  * style sheet and style rule processor representing style attributes

     8  */

    10 #ifndef nsHTMLCSSStyleSheet_h_

    11 #define nsHTMLCSSStyleSheet_h_

    13 #include "mozilla/Attributes.h"

    14 #include "mozilla/MemoryReporting.h"

    16 #include "nsDataHashtable.h"

    17 #include "nsIStyleRuleProcessor.h"

    19 struct MiscContainer;

    21 class nsHTMLCSSStyleSheet MOZ_FINAL : public nsIStyleRuleProcessor

    22 {

    23 public:

    24   nsHTMLCSSStyleSheet();

    25   ~nsHTMLCSSStyleSheet();

    27   NS_DECL_ISUPPORTS

    29   // nsIStyleRuleProcessor

    30   virtual void RulesMatching(ElementRuleProcessorData* aData) MOZ_OVERRIDE;

    31   virtual void RulesMatching(PseudoElementRuleProcessorData* aData) MOZ_OVERRIDE;

    32   virtual void RulesMatching(AnonBoxRuleProcessorData* aData) MOZ_OVERRIDE;

    33 #ifdef MOZ_XUL

    34   virtual void RulesMatching(XULTreeRuleProcessorData* aData) MOZ_OVERRIDE;

    35 #endif

    36   virtual nsRestyleHint HasStateDependentStyle(StateRuleProcessorData* aData) MOZ_OVERRIDE;

    37   virtual nsRestyleHint HasStateDependentStyle(PseudoElementStateRuleProcessorData* aData) MOZ_OVERRIDE;

    38   virtual bool HasDocumentStateDependentStyle(StateRuleProcessorData* aData) MOZ_OVERRIDE;

    39   virtual nsRestyleHint

    40     HasAttributeDependentStyle(AttributeRuleProcessorData* aData) MOZ_OVERRIDE;

    41   virtual bool MediumFeaturesChanged(nsPresContext* aPresContext) MOZ_OVERRIDE;

    42   virtual size_t SizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf)

    43     const MOZ_MUST_OVERRIDE MOZ_OVERRIDE;

    44   virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf)

    45     const MOZ_MUST_OVERRIDE MOZ_OVERRIDE;

    47   void CacheStyleAttr(const nsAString& aSerialized, MiscContainer* aValue);

    48   void EvictStyleAttr(const nsAString& aSerialized, MiscContainer* aValue);

    49   MiscContainer* LookupStyleAttr(const nsAString& aSerialized);

    51 private:

    52   nsHTMLCSSStyleSheet(const nsHTMLCSSStyleSheet& aCopy) MOZ_DELETE;

    53   nsHTMLCSSStyleSheet& operator=(const nsHTMLCSSStyleSheet& aCopy) MOZ_DELETE;

    55 protected:

    56   nsDataHashtable<nsStringHashKey, MiscContainer*> mCachedStyleAttrs;

    57 };

    59 #endif /* !defined(nsHTMLCSSStyleSheet_h_) */

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