gecko/layout/style/nsCSSRules.h

740 lines
21 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
// vim:cindent:ts=2:et:sw=2:
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/* rules in a CSS stylesheet other than style rules (e.g., @import rules) */
#ifndef nsCSSRules_h_
#define nsCSSRules_h_
#include "mozilla/Attributes.h"
#include "mozilla/Move.h"
#include "mozilla/MemoryReporting.h"
#include "mozilla/css/GroupRule.h"
#include "mozilla/dom/FontFace.h"
#include "nsIDOMCSSConditionRule.h"
#include "nsIDOMCSSCounterStyleRule.h"
#include "nsIDOMCSSFontFaceRule.h"
#include "nsIDOMCSSFontFeatureValuesRule.h"
#include "nsIDOMCSSGroupingRule.h"
#include "nsIDOMCSSMediaRule.h"
#include "nsIDOMCSSMozDocumentRule.h"
#include "nsIDOMCSSSupportsRule.h"
#include "nsIDOMMozCSSKeyframeRule.h"
#include "nsIDOMMozCSSKeyframesRule.h"
#include "nsAutoPtr.h"
#include "nsCSSProperty.h"
#include "nsCSSValue.h"
#include "nsIDOMCSSCharsetRule.h"
#include "nsTArray.h"
#include "nsDOMCSSDeclaration.h"
#include "Declaration.h"
#include "nsIDOMCSSPageRule.h"
#include "StyleRule.h"
#include "gfxFontFeatures.h"
class nsMediaList;
namespace mozilla {
class ErrorResult;
namespace css {
class MediaRule MOZ_FINAL : public GroupRule,
public nsIDOMCSSMediaRule
{
public:
MediaRule(uint32_t aLineNumber, uint32_t aColumnNumber);
private:
MediaRule(const MediaRule& aCopy);
~MediaRule();
public:
NS_DECL_ISUPPORTS_INHERITED
// nsIStyleRule methods
#ifdef DEBUG
virtual void List(FILE* out = stdout, int32_t aIndent = 0) const MOZ_OVERRIDE;
#endif
// Rule methods
virtual void SetStyleSheet(mozilla::CSSStyleSheet* aSheet); //override GroupRule
virtual int32_t GetType() const;
virtual already_AddRefed<Rule> Clone() const;
virtual nsIDOMCSSRule* GetDOMRule()
{
return this;
}
virtual nsIDOMCSSRule* GetExistingDOMRule()
{
return this;
}
// nsIDOMCSSRule interface
NS_DECL_NSIDOMCSSRULE
// nsIDOMCSSGroupingRule interface
NS_DECL_NSIDOMCSSGROUPINGRULE
// nsIDOMCSSConditionRule interface
NS_DECL_NSIDOMCSSCONDITIONRULE
// nsIDOMCSSMediaRule interface
NS_DECL_NSIDOMCSSMEDIARULE
// rest of GroupRule
virtual bool UseForPresentation(nsPresContext* aPresContext,
nsMediaQueryResultCacheKey& aKey);
// @media rule methods
nsresult SetMedia(nsMediaList* aMedia);
virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf)
const MOZ_MUST_OVERRIDE;
protected:
void AppendConditionText(nsAString& aOutput);
nsRefPtr<nsMediaList> mMedia;
};
class DocumentRule MOZ_FINAL : public GroupRule,
public nsIDOMCSSMozDocumentRule
{
public:
DocumentRule(uint32_t aLineNumber, uint32_t aColumnNumber);
private:
DocumentRule(const DocumentRule& aCopy);
~DocumentRule();
public:
NS_DECL_ISUPPORTS_INHERITED
// nsIStyleRule methods
#ifdef DEBUG
virtual void List(FILE* out = stdout, int32_t aIndent = 0) const MOZ_OVERRIDE;
#endif
// Rule methods
virtual int32_t GetType() const;
virtual already_AddRefed<Rule> Clone() const;
virtual nsIDOMCSSRule* GetDOMRule()
{
return this;
}
virtual nsIDOMCSSRule* GetExistingDOMRule()
{
return this;
}
// nsIDOMCSSRule interface
NS_DECL_NSIDOMCSSRULE
// nsIDOMCSSGroupingRule interface
NS_DECL_NSIDOMCSSGROUPINGRULE
// nsIDOMCSSConditionRule interface
NS_DECL_NSIDOMCSSCONDITIONRULE
// nsIDOMCSSMozDocumentRule interface
NS_DECL_NSIDOMCSSMOZDOCUMENTRULE
// rest of GroupRule
virtual bool UseForPresentation(nsPresContext* aPresContext,
nsMediaQueryResultCacheKey& aKey);
enum Function {
eURL,
eURLPrefix,
eDomain,
eRegExp
};
struct URL {
Function func;
nsCString url;
URL *next;
URL() : next(nullptr) {}
URL(const URL& aOther)
: func(aOther.func)
, url(aOther.url)
, next(aOther.next ? new URL(*aOther.next) : nullptr)
{
}
~URL();
};
void SetURLs(URL *aURLs) { mURLs = aURLs; }
virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf)
const MOZ_MUST_OVERRIDE;
protected:
void AppendConditionText(nsAString& aOutput);
nsAutoPtr<URL> mURLs; // linked list of |struct URL| above.
};
} // namespace css
struct CSSFontFaceDescriptors
{
#define CSS_FONT_DESC(name_, method_) nsCSSValue m##method_;
#include "nsCSSFontDescList.h"
#undef CSS_FONT_DESC
const nsCSSValue& Get(nsCSSFontDesc aFontDescID) const;
nsCSSValue& Get(nsCSSFontDesc aFontDescID);
private:
static nsCSSValue CSSFontFaceDescriptors::* const Fields[];
};
} // namespace mozilla
// A nsCSSFontFaceStyleDecl is always embedded in a nsCSSFontFaceRule.
class nsCSSFontFaceRule;
class nsCSSFontFaceStyleDecl MOZ_FINAL : public nsICSSDeclaration
{
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_NSIDOMCSSSTYLEDECLARATION_HELPER
NS_DECL_NSICSSDECLARATION
virtual already_AddRefed<mozilla::dom::CSSValue>
GetPropertyCSSValue(const nsAString& aProp, mozilla::ErrorResult& aRv)
MOZ_OVERRIDE;
using nsICSSDeclaration::GetPropertyCSSValue;
virtual nsINode *GetParentObject() MOZ_OVERRIDE;
virtual void IndexedGetter(uint32_t aIndex, bool& aFound, nsAString& aPropName) MOZ_OVERRIDE;
nsresult GetPropertyValue(nsCSSFontDesc aFontDescID,
nsAString & aResult) const;
virtual JSObject* WrapObject(JSContext *cx) MOZ_OVERRIDE;
protected:
~nsCSSFontFaceStyleDecl() {}
friend class nsCSSFontFaceRule;
inline nsCSSFontFaceRule* ContainingRule();
inline const nsCSSFontFaceRule* ContainingRule() const;
mozilla::CSSFontFaceDescriptors mDescriptors;
private:
// NOT TO BE IMPLEMENTED
// This object cannot be allocated on its own, only as part of
// nsCSSFontFaceRule.
void* operator new(size_t size) CPP_THROW_NEW;
};
class nsCSSFontFaceRule MOZ_FINAL : public mozilla::css::Rule,
public nsIDOMCSSFontFaceRule
{
public:
nsCSSFontFaceRule(uint32_t aLineNumber, uint32_t aColumnNumber)
: mozilla::css::Rule(aLineNumber, aColumnNumber) {}
nsCSSFontFaceRule(const nsCSSFontFaceRule& aCopy)
// copy everything except our reference count
: mozilla::css::Rule(aCopy), mDecl(aCopy.mDecl) {}
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_AMBIGUOUS(nsCSSFontFaceRule,
mozilla::css::Rule)
// nsIStyleRule methods
#ifdef DEBUG
virtual void List(FILE* out = stdout, int32_t aIndent = 0) const MOZ_OVERRIDE;
#endif
// Rule methods
DECL_STYLE_RULE_INHERIT
virtual int32_t GetType() const MOZ_OVERRIDE;
virtual already_AddRefed<mozilla::css::Rule> Clone() const;
// nsIDOMCSSRule interface
NS_DECL_NSIDOMCSSRULE
// nsIDOMCSSFontFaceRule interface
NS_DECL_NSIDOMCSSFONTFACERULE
void SetDesc(nsCSSFontDesc aDescID, nsCSSValue const & aValue);
void GetDesc(nsCSSFontDesc aDescID, nsCSSValue & aValue);
virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE;
void GetDescriptors(mozilla::CSSFontFaceDescriptors& aDescriptors) const
{ aDescriptors = mDecl.mDescriptors; }
protected:
~nsCSSFontFaceRule() {}
friend class nsCSSFontFaceStyleDecl;
nsCSSFontFaceStyleDecl mDecl;
};
// nsFontFaceRuleContainer - used for associating sheet type with
// specific @font-face rules
struct nsFontFaceRuleContainer {
nsRefPtr<nsCSSFontFaceRule> mRule;
uint8_t mSheetType;
};
inline nsCSSFontFaceRule*
nsCSSFontFaceStyleDecl::ContainingRule()
{
return reinterpret_cast<nsCSSFontFaceRule*>
(reinterpret_cast<char*>(this) - offsetof(nsCSSFontFaceRule, mDecl));
}
inline const nsCSSFontFaceRule*
nsCSSFontFaceStyleDecl::ContainingRule() const
{
return reinterpret_cast<const nsCSSFontFaceRule*>
(reinterpret_cast<const char*>(this) - offsetof(nsCSSFontFaceRule, mDecl));
}
class nsCSSFontFeatureValuesRule MOZ_FINAL :
public mozilla::css::Rule,
public nsIDOMCSSFontFeatureValuesRule
{
public:
nsCSSFontFeatureValuesRule(uint32_t aLineNumber, uint32_t aColumnNumber)
: mozilla::css::Rule(aLineNumber, aColumnNumber) {}
nsCSSFontFeatureValuesRule(const nsCSSFontFeatureValuesRule& aCopy)
// copy everything except our reference count
: mozilla::css::Rule(aCopy),
mFamilyList(aCopy.mFamilyList),
mFeatureValues(aCopy.mFeatureValues) {}
NS_DECL_ISUPPORTS
// nsIStyleRule methods
#ifdef DEBUG
virtual void List(FILE* out = stdout, int32_t aIndent = 0) const MOZ_OVERRIDE;
#endif
// Rule methods
DECL_STYLE_RULE_INHERIT
virtual int32_t GetType() const MOZ_OVERRIDE;
virtual already_AddRefed<mozilla::css::Rule> Clone() const MOZ_OVERRIDE;
// nsIDOMCSSRule interface
NS_DECL_NSIDOMCSSRULE
// nsIDOMCSSFontFaceRule interface
NS_DECL_NSIDOMCSSFONTFEATUREVALUESRULE
const mozilla::FontFamilyList& GetFamilyList() { return mFamilyList; }
void SetFamilyList(const mozilla::FontFamilyList& aFamilyList);
void AddValueList(int32_t aVariantAlternate,
nsTArray<gfxFontFeatureValueSet::ValueList>& aValueList);
const nsTArray<gfxFontFeatureValueSet::FeatureValues>& GetFeatureValues()
{
return mFeatureValues;
}
virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE;
protected:
~nsCSSFontFeatureValuesRule() {}
mozilla::FontFamilyList mFamilyList;
nsTArray<gfxFontFeatureValueSet::FeatureValues> mFeatureValues;
};
namespace mozilla {
namespace css {
class CharsetRule MOZ_FINAL : public Rule,
public nsIDOMCSSCharsetRule
{
public:
CharsetRule(const nsAString& aEncoding,
uint32_t aLineNumber, uint32_t aColumnNumber);
private:
// For |Clone|
CharsetRule(const CharsetRule& aCopy);
~CharsetRule() {}
public:
NS_DECL_ISUPPORTS
DECL_STYLE_RULE_INHERIT
// nsIStyleRule methods
#ifdef DEBUG
virtual void List(FILE* out = stdout, int32_t aIndent = 0) const MOZ_OVERRIDE;
#endif
// Rule methods
virtual int32_t GetType() const;
virtual already_AddRefed<Rule> Clone() const;
// nsIDOMCSSRule interface
NS_DECL_NSIDOMCSSRULE
// nsIDOMCSSCharsetRule methods
NS_IMETHOD GetEncoding(nsAString& aEncoding) MOZ_OVERRIDE;
NS_IMETHOD SetEncoding(const nsAString& aEncoding) MOZ_OVERRIDE;
virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
private:
nsString mEncoding;
};
} // namespace css
} // namespace mozilla
class nsCSSKeyframeRule;
class nsCSSKeyframeStyleDeclaration MOZ_FINAL : public nsDOMCSSDeclaration
{
public:
explicit nsCSSKeyframeStyleDeclaration(nsCSSKeyframeRule *aRule);
NS_IMETHOD GetParentRule(nsIDOMCSSRule **aParent) MOZ_OVERRIDE;
void DropReference() { mRule = nullptr; }
virtual mozilla::css::Declaration* GetCSSDeclaration(bool aAllocate) MOZ_OVERRIDE;
virtual nsresult SetCSSDeclaration(mozilla::css::Declaration* aDecl) MOZ_OVERRIDE;
virtual void GetCSSParsingEnvironment(CSSParsingEnvironment& aCSSParseEnv) MOZ_OVERRIDE;
virtual nsIDocument* DocToUpdate() MOZ_OVERRIDE;
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_AMBIGUOUS(nsCSSKeyframeStyleDeclaration,
nsICSSDeclaration)
virtual nsINode* GetParentObject() MOZ_OVERRIDE;
protected:
virtual ~nsCSSKeyframeStyleDeclaration();
// This reference is not reference-counted. The rule object tells us
// when it's about to go away.
nsCSSKeyframeRule *mRule;
};
class nsCSSKeyframeRule MOZ_FINAL : public mozilla::css::Rule,
public nsIDOMMozCSSKeyframeRule
{
public:
// WARNING: Steals the contents of aKeys *and* aDeclaration
nsCSSKeyframeRule(InfallibleTArray<float>& aKeys,
nsAutoPtr<mozilla::css::Declaration>&& aDeclaration,
uint32_t aLineNumber, uint32_t aColumnNumber)
: mozilla::css::Rule(aLineNumber, aColumnNumber)
, mDeclaration(mozilla::Move(aDeclaration))
{
mKeys.SwapElements(aKeys);
}
private:
nsCSSKeyframeRule(const nsCSSKeyframeRule& aCopy);
~nsCSSKeyframeRule();
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(nsCSSKeyframeRule, nsIStyleRule)
// nsIStyleRule methods
#ifdef DEBUG
virtual void List(FILE* out = stdout, int32_t aIndent = 0) const MOZ_OVERRIDE;
#endif
// Rule methods
DECL_STYLE_RULE_INHERIT
virtual int32_t GetType() const MOZ_OVERRIDE;
virtual already_AddRefed<mozilla::css::Rule> Clone() const;
// nsIDOMCSSRule interface
NS_DECL_NSIDOMCSSRULE
// nsIDOMMozCSSKeyframeRule interface
NS_DECL_NSIDOMMOZCSSKEYFRAMERULE
const nsTArray<float>& GetKeys() const { return mKeys; }
mozilla::css::Declaration* Declaration() { return mDeclaration; }
void ChangeDeclaration(mozilla::css::Declaration* aDeclaration);
virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE;
void DoGetKeyText(nsAString &aKeyText) const;
private:
nsTArray<float> mKeys;
nsAutoPtr<mozilla::css::Declaration> mDeclaration;
// lazily created when needed:
nsRefPtr<nsCSSKeyframeStyleDeclaration> mDOMDeclaration;
};
class nsCSSKeyframesRule MOZ_FINAL : public mozilla::css::GroupRule,
public nsIDOMMozCSSKeyframesRule
{
public:
nsCSSKeyframesRule(const nsSubstring& aName,
uint32_t aLineNumber, uint32_t aColumnNumber)
: mozilla::css::GroupRule(aLineNumber, aColumnNumber)
, mName(aName)
{
}
private:
nsCSSKeyframesRule(const nsCSSKeyframesRule& aCopy);
~nsCSSKeyframesRule();
public:
NS_DECL_ISUPPORTS_INHERITED
// nsIStyleRule methods
#ifdef DEBUG
virtual void List(FILE* out = stdout, int32_t aIndent = 0) const MOZ_OVERRIDE;
#endif
// Rule methods
virtual int32_t GetType() const;
virtual already_AddRefed<mozilla::css::Rule> Clone() const;
virtual nsIDOMCSSRule* GetDOMRule()
{
return this;
}
virtual nsIDOMCSSRule* GetExistingDOMRule()
{
return this;
}
// nsIDOMCSSRule interface
NS_DECL_NSIDOMCSSRULE
// nsIDOMMozCSSKeyframesRule interface
NS_DECL_NSIDOMMOZCSSKEYFRAMESRULE
// rest of GroupRule
virtual bool UseForPresentation(nsPresContext* aPresContext,
nsMediaQueryResultCacheKey& aKey) MOZ_OVERRIDE;
const nsString& GetName() { return mName; }
virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE;
private:
uint32_t FindRuleIndexForKey(const nsAString& aKey);
nsString mName;
};
class nsCSSPageRule;
class nsCSSPageStyleDeclaration MOZ_FINAL : public nsDOMCSSDeclaration
{
public:
explicit nsCSSPageStyleDeclaration(nsCSSPageRule *aRule);
NS_IMETHOD GetParentRule(nsIDOMCSSRule **aParent) MOZ_OVERRIDE;
void DropReference() { mRule = nullptr; }
virtual mozilla::css::Declaration* GetCSSDeclaration(bool aAllocate) MOZ_OVERRIDE;
virtual nsresult SetCSSDeclaration(mozilla::css::Declaration* aDecl) MOZ_OVERRIDE;
virtual void GetCSSParsingEnvironment(CSSParsingEnvironment& aCSSParseEnv) MOZ_OVERRIDE;
virtual nsIDocument* DocToUpdate() MOZ_OVERRIDE;
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_AMBIGUOUS(nsCSSPageStyleDeclaration,
nsICSSDeclaration)
virtual nsINode *GetParentObject() MOZ_OVERRIDE;
protected:
virtual ~nsCSSPageStyleDeclaration();
// This reference is not reference-counted. The rule object tells us
// when it's about to go away.
nsCSSPageRule *mRule;
};
class nsCSSPageRule MOZ_FINAL : public mozilla::css::Rule,
public nsIDOMCSSPageRule
{
public:
// WARNING: Steals the contents of aDeclaration
nsCSSPageRule(nsAutoPtr<mozilla::css::Declaration>&& aDeclaration,
uint32_t aLineNumber, uint32_t aColumnNumber)
: mozilla::css::Rule(aLineNumber, aColumnNumber)
, mDeclaration(mozilla::Move(aDeclaration))
, mImportantRule(nullptr)
{
}
private:
nsCSSPageRule(const nsCSSPageRule& aCopy);
~nsCSSPageRule();
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(nsCSSPageRule, nsIDOMCSSPageRule)
// nsIStyleRule methods
#ifdef DEBUG
virtual void List(FILE* out = stdout, int32_t aIndent = 0) const MOZ_OVERRIDE;
#endif
// Rule methods
DECL_STYLE_RULE_INHERIT
virtual int32_t GetType() const MOZ_OVERRIDE;
virtual already_AddRefed<mozilla::css::Rule> Clone() const;
// nsIDOMCSSRule interface
NS_DECL_NSIDOMCSSRULE
// nsIDOMCSSPageRule interface
NS_DECL_NSIDOMCSSPAGERULE
mozilla::css::Declaration* Declaration() { return mDeclaration; }
void ChangeDeclaration(mozilla::css::Declaration* aDeclaration);
mozilla::css::ImportantRule* GetImportantRule();
virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE;
private:
nsAutoPtr<mozilla::css::Declaration> mDeclaration;
// lazily created when needed:
nsRefPtr<nsCSSPageStyleDeclaration> mDOMDeclaration;
nsRefPtr<mozilla::css::ImportantRule> mImportantRule;
};
namespace mozilla {
class CSSSupportsRule : public css::GroupRule,
public nsIDOMCSSSupportsRule
{
public:
CSSSupportsRule(bool aConditionMet, const nsString& aCondition,
uint32_t aLineNumber, uint32_t aColumnNumber);
CSSSupportsRule(const CSSSupportsRule& aCopy);
// nsIStyleRule methods
#ifdef DEBUG
virtual void List(FILE* out = stdout, int32_t aIndent = 0) const MOZ_OVERRIDE;
#endif
// Rule methods
virtual int32_t GetType() const;
virtual already_AddRefed<mozilla::css::Rule> Clone() const;
virtual bool UseForPresentation(nsPresContext* aPresContext,
nsMediaQueryResultCacheKey& aKey);
virtual nsIDOMCSSRule* GetDOMRule()
{
return this;
}
virtual nsIDOMCSSRule* GetExistingDOMRule()
{
return this;
}
NS_DECL_ISUPPORTS_INHERITED
// nsIDOMCSSRule interface
NS_DECL_NSIDOMCSSRULE
// nsIDOMCSSGroupingRule interface
NS_DECL_NSIDOMCSSGROUPINGRULE
// nsIDOMCSSConditionRule interface
NS_DECL_NSIDOMCSSCONDITIONRULE
// nsIDOMCSSSupportsRule interface
NS_DECL_NSIDOMCSSSUPPORTSRULE
virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
protected:
virtual ~CSSSupportsRule();
bool mUseGroup;
nsString mCondition;
};
} // namespace mozilla
class nsCSSCounterStyleRule MOZ_FINAL : public mozilla::css::Rule,
public nsIDOMCSSCounterStyleRule
{
public:
explicit nsCSSCounterStyleRule(const nsAString& aName,
uint32_t aLineNumber, uint32_t aColumnNumber)
: mozilla::css::Rule(aLineNumber, aColumnNumber)
, mName(aName)
, mGeneration(0)
{
}
private:
nsCSSCounterStyleRule(const nsCSSCounterStyleRule& aCopy);
~nsCSSCounterStyleRule();
public:
NS_DECL_ISUPPORTS
// nsIStyleRule methods
#ifdef DEBUG
virtual void List(FILE* out = stdout, int32_t aIndent = 0) const MOZ_OVERRIDE;
#endif
// Rule methods
DECL_STYLE_RULE_INHERIT
virtual int32_t GetType() const MOZ_OVERRIDE;
virtual already_AddRefed<mozilla::css::Rule> Clone() const;
// nsIDOMCSSRule interface
NS_DECL_NSIDOMCSSRULE
// nsIDOMCSSCounterStyleRule
NS_DECL_NSIDOMCSSCOUNTERSTYLERULE
// This function is only used to check whether a non-empty value, which has
// been accepted by parser, is valid for the given system and descriptor.
static bool CheckDescValue(int32_t aSystem,
nsCSSCounterDesc aDescID,
const nsCSSValue& aValue);
const nsString& GetName() const { return mName; }
uint32_t GetGeneration() const { return mGeneration; }
int32_t GetSystem() const;
const nsCSSValue& GetSystemArgument() const;
const nsCSSValue& GetDesc(nsCSSCounterDesc aDescID) const
{
NS_ABORT_IF_FALSE(aDescID >= 0 && aDescID < eCSSCounterDesc_COUNT,
"descriptor ID out of range");
return mValues[aDescID];
}
void SetDesc(nsCSSCounterDesc aDescID, const nsCSSValue& aValue);
virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE;
private:
typedef NS_STDCALL_FUNCPROTO(nsresult, Getter, nsCSSCounterStyleRule,
GetSymbols, (nsAString&));
static const Getter kGetters[];
nsresult GetDescriptor(nsCSSCounterDesc aDescID, nsAString& aValue);
nsresult SetDescriptor(nsCSSCounterDesc aDescID, const nsAString& aValue);
nsString mName;
nsCSSValue mValues[eCSSCounterDesc_COUNT];
uint32_t mGeneration;
};
#endif /* !defined(nsCSSRules_h_) */