1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/layout/style/nsCSSRules.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,649 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +// vim:cindent:ts=2:et:sw=2:
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 +/* rules in a CSS stylesheet other than style rules (e.g., @import rules) */
1.11 +
1.12 +#ifndef nsCSSRules_h_
1.13 +#define nsCSSRules_h_
1.14 +
1.15 +#include "mozilla/Attributes.h"
1.16 +
1.17 +#include "mozilla/MemoryReporting.h"
1.18 +#include "mozilla/css/GroupRule.h"
1.19 +#include "mozilla/Preferences.h"
1.20 +#include "nsIDOMCSSConditionRule.h"
1.21 +#include "nsIDOMCSSFontFaceRule.h"
1.22 +#include "nsIDOMCSSFontFeatureValuesRule.h"
1.23 +#include "nsIDOMCSSGroupingRule.h"
1.24 +#include "nsIDOMCSSMediaRule.h"
1.25 +#include "nsIDOMCSSMozDocumentRule.h"
1.26 +#include "nsIDOMCSSSupportsRule.h"
1.27 +#include "nsIDOMMozCSSKeyframeRule.h"
1.28 +#include "nsIDOMMozCSSKeyframesRule.h"
1.29 +#include "nsAutoPtr.h"
1.30 +#include "nsCSSProperty.h"
1.31 +#include "nsCSSValue.h"
1.32 +#include "nsIDOMCSSCharsetRule.h"
1.33 +#include "nsTArray.h"
1.34 +#include "nsDOMCSSDeclaration.h"
1.35 +#include "Declaration.h"
1.36 +#include "nsIDOMCSSPageRule.h"
1.37 +#include "StyleRule.h"
1.38 +#include "gfxFontFeatures.h"
1.39 +
1.40 +class nsMediaList;
1.41 +
1.42 +namespace mozilla {
1.43 +
1.44 +class ErrorResult;
1.45 +
1.46 +namespace css {
1.47 +
1.48 +class MediaRule MOZ_FINAL : public GroupRule,
1.49 + public nsIDOMCSSMediaRule
1.50 +{
1.51 +public:
1.52 + MediaRule();
1.53 +private:
1.54 + MediaRule(const MediaRule& aCopy);
1.55 + ~MediaRule();
1.56 +public:
1.57 +
1.58 + NS_DECL_ISUPPORTS_INHERITED
1.59 +
1.60 + // nsIStyleRule methods
1.61 +#ifdef DEBUG
1.62 + virtual void List(FILE* out = stdout, int32_t aIndent = 0) const MOZ_OVERRIDE;
1.63 +#endif
1.64 +
1.65 + // Rule methods
1.66 + virtual void SetStyleSheet(nsCSSStyleSheet* aSheet); //override GroupRule
1.67 + virtual int32_t GetType() const;
1.68 + virtual already_AddRefed<Rule> Clone() const;
1.69 + virtual nsIDOMCSSRule* GetDOMRule()
1.70 + {
1.71 + return this;
1.72 + }
1.73 + virtual nsIDOMCSSRule* GetExistingDOMRule()
1.74 + {
1.75 + return this;
1.76 + }
1.77 +
1.78 + // nsIDOMCSSRule interface
1.79 + NS_DECL_NSIDOMCSSRULE
1.80 +
1.81 + // nsIDOMCSSGroupingRule interface
1.82 + NS_DECL_NSIDOMCSSGROUPINGRULE
1.83 +
1.84 + // nsIDOMCSSConditionRule interface
1.85 + NS_DECL_NSIDOMCSSCONDITIONRULE
1.86 +
1.87 + // nsIDOMCSSMediaRule interface
1.88 + NS_DECL_NSIDOMCSSMEDIARULE
1.89 +
1.90 + // rest of GroupRule
1.91 + virtual bool UseForPresentation(nsPresContext* aPresContext,
1.92 + nsMediaQueryResultCacheKey& aKey);
1.93 +
1.94 + // @media rule methods
1.95 + nsresult SetMedia(nsMediaList* aMedia);
1.96 +
1.97 + virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf)
1.98 + const MOZ_MUST_OVERRIDE;
1.99 +
1.100 +protected:
1.101 + void AppendConditionText(nsAString& aOutput);
1.102 +
1.103 + nsRefPtr<nsMediaList> mMedia;
1.104 +};
1.105 +
1.106 +class DocumentRule MOZ_FINAL : public GroupRule,
1.107 + public nsIDOMCSSMozDocumentRule
1.108 +{
1.109 +public:
1.110 + DocumentRule();
1.111 +private:
1.112 + DocumentRule(const DocumentRule& aCopy);
1.113 + ~DocumentRule();
1.114 +public:
1.115 +
1.116 + NS_DECL_ISUPPORTS_INHERITED
1.117 +
1.118 + // nsIStyleRule methods
1.119 +#ifdef DEBUG
1.120 + virtual void List(FILE* out = stdout, int32_t aIndent = 0) const MOZ_OVERRIDE;
1.121 +#endif
1.122 +
1.123 + // Rule methods
1.124 + virtual int32_t GetType() const;
1.125 + virtual already_AddRefed<Rule> Clone() const;
1.126 + virtual nsIDOMCSSRule* GetDOMRule()
1.127 + {
1.128 + return this;
1.129 + }
1.130 + virtual nsIDOMCSSRule* GetExistingDOMRule()
1.131 + {
1.132 + return this;
1.133 + }
1.134 +
1.135 + // nsIDOMCSSRule interface
1.136 + NS_DECL_NSIDOMCSSRULE
1.137 +
1.138 + // nsIDOMCSSGroupingRule interface
1.139 + NS_DECL_NSIDOMCSSGROUPINGRULE
1.140 +
1.141 + // nsIDOMCSSConditionRule interface
1.142 + NS_DECL_NSIDOMCSSCONDITIONRULE
1.143 +
1.144 + // nsIDOMCSSMozDocumentRule interface
1.145 + NS_DECL_NSIDOMCSSMOZDOCUMENTRULE
1.146 +
1.147 + // rest of GroupRule
1.148 + virtual bool UseForPresentation(nsPresContext* aPresContext,
1.149 + nsMediaQueryResultCacheKey& aKey);
1.150 +
1.151 + enum Function {
1.152 + eURL,
1.153 + eURLPrefix,
1.154 + eDomain,
1.155 + eRegExp
1.156 + };
1.157 +
1.158 + struct URL {
1.159 + Function func;
1.160 + nsCString url;
1.161 + URL *next;
1.162 +
1.163 + URL() : next(nullptr) {}
1.164 + URL(const URL& aOther)
1.165 + : func(aOther.func)
1.166 + , url(aOther.url)
1.167 + , next(aOther.next ? new URL(*aOther.next) : nullptr)
1.168 + {
1.169 + }
1.170 + ~URL();
1.171 + };
1.172 +
1.173 + void SetURLs(URL *aURLs) { mURLs = aURLs; }
1.174 +
1.175 + virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf)
1.176 + const MOZ_MUST_OVERRIDE;
1.177 +
1.178 +protected:
1.179 + void AppendConditionText(nsAString& aOutput);
1.180 +
1.181 + nsAutoPtr<URL> mURLs; // linked list of |struct URL| above.
1.182 +};
1.183 +
1.184 +} // namespace css
1.185 +} // namespace mozilla
1.186 +
1.187 +// A nsCSSFontFaceStyleDecl is always embedded in a nsCSSFontFaceRule.
1.188 +class nsCSSFontFaceRule;
1.189 +class nsCSSFontFaceStyleDecl : public nsICSSDeclaration
1.190 +{
1.191 +public:
1.192 + NS_DECL_ISUPPORTS_INHERITED
1.193 + NS_DECL_NSIDOMCSSSTYLEDECLARATION_HELPER
1.194 + NS_DECL_NSICSSDECLARATION
1.195 + virtual already_AddRefed<mozilla::dom::CSSValue>
1.196 + GetPropertyCSSValue(const nsAString& aProp, mozilla::ErrorResult& aRv)
1.197 + MOZ_OVERRIDE;
1.198 + using nsICSSDeclaration::GetPropertyCSSValue;
1.199 +
1.200 + nsCSSFontFaceStyleDecl()
1.201 + {
1.202 + SetIsDOMBinding();
1.203 + }
1.204 +
1.205 + virtual nsINode *GetParentObject() MOZ_OVERRIDE;
1.206 + virtual void IndexedGetter(uint32_t aIndex, bool& aFound, nsAString& aPropName) MOZ_OVERRIDE;
1.207 +
1.208 + nsresult GetPropertyValue(nsCSSFontDesc aFontDescID,
1.209 + nsAString & aResult) const;
1.210 +
1.211 + virtual JSObject* WrapObject(JSContext *cx) MOZ_OVERRIDE;
1.212 +
1.213 +protected:
1.214 + friend class nsCSSFontFaceRule;
1.215 +#define CSS_FONT_DESC(name_, method_) nsCSSValue m##method_;
1.216 +#include "nsCSSFontDescList.h"
1.217 +#undef CSS_FONT_DESC
1.218 +
1.219 + static nsCSSValue nsCSSFontFaceStyleDecl::* const Fields[];
1.220 + inline nsCSSFontFaceRule* ContainingRule();
1.221 + inline const nsCSSFontFaceRule* ContainingRule() const;
1.222 +
1.223 +private:
1.224 + // NOT TO BE IMPLEMENTED
1.225 + // This object cannot be allocated on its own, only as part of
1.226 + // nsCSSFontFaceRule.
1.227 + void* operator new(size_t size) CPP_THROW_NEW;
1.228 +};
1.229 +
1.230 +class nsCSSFontFaceRule MOZ_FINAL : public mozilla::css::Rule,
1.231 + public nsIDOMCSSFontFaceRule
1.232 +{
1.233 +public:
1.234 + nsCSSFontFaceRule() {}
1.235 +
1.236 + nsCSSFontFaceRule(const nsCSSFontFaceRule& aCopy)
1.237 + // copy everything except our reference count
1.238 + : mozilla::css::Rule(aCopy), mDecl(aCopy.mDecl) {}
1.239 +
1.240 + NS_DECL_CYCLE_COLLECTING_ISUPPORTS
1.241 + NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_AMBIGUOUS(nsCSSFontFaceRule,
1.242 + mozilla::css::Rule)
1.243 +
1.244 + // nsIStyleRule methods
1.245 +#ifdef DEBUG
1.246 + virtual void List(FILE* out = stdout, int32_t aIndent = 0) const MOZ_OVERRIDE;
1.247 +#endif
1.248 +
1.249 + // Rule methods
1.250 + DECL_STYLE_RULE_INHERIT
1.251 +
1.252 + virtual int32_t GetType() const MOZ_OVERRIDE;
1.253 + virtual already_AddRefed<mozilla::css::Rule> Clone() const;
1.254 +
1.255 + // nsIDOMCSSRule interface
1.256 + NS_DECL_NSIDOMCSSRULE
1.257 +
1.258 + // nsIDOMCSSFontFaceRule interface
1.259 + NS_DECL_NSIDOMCSSFONTFACERULE
1.260 +
1.261 + void SetDesc(nsCSSFontDesc aDescID, nsCSSValue const & aValue);
1.262 + void GetDesc(nsCSSFontDesc aDescID, nsCSSValue & aValue);
1.263 +
1.264 + virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE;
1.265 +
1.266 +protected:
1.267 + friend class nsCSSFontFaceStyleDecl;
1.268 + nsCSSFontFaceStyleDecl mDecl;
1.269 +};
1.270 +
1.271 +// nsFontFaceRuleContainer - used for associating sheet type with
1.272 +// specific @font-face rules
1.273 +struct nsFontFaceRuleContainer {
1.274 + nsRefPtr<nsCSSFontFaceRule> mRule;
1.275 + uint8_t mSheetType;
1.276 +};
1.277 +
1.278 +inline nsCSSFontFaceRule*
1.279 +nsCSSFontFaceStyleDecl::ContainingRule()
1.280 +{
1.281 + return reinterpret_cast<nsCSSFontFaceRule*>
1.282 + (reinterpret_cast<char*>(this) - offsetof(nsCSSFontFaceRule, mDecl));
1.283 +}
1.284 +
1.285 +inline const nsCSSFontFaceRule*
1.286 +nsCSSFontFaceStyleDecl::ContainingRule() const
1.287 +{
1.288 + return reinterpret_cast<const nsCSSFontFaceRule*>
1.289 + (reinterpret_cast<const char*>(this) - offsetof(nsCSSFontFaceRule, mDecl));
1.290 +}
1.291 +
1.292 +class nsCSSFontFeatureValuesRule MOZ_FINAL :
1.293 + public mozilla::css::Rule,
1.294 + public nsIDOMCSSFontFeatureValuesRule
1.295 +{
1.296 +public:
1.297 + nsCSSFontFeatureValuesRule() {}
1.298 +
1.299 + nsCSSFontFeatureValuesRule(const nsCSSFontFeatureValuesRule& aCopy)
1.300 + // copy everything except our reference count
1.301 + : mozilla::css::Rule(aCopy),
1.302 + mFamilyList(aCopy.mFamilyList),
1.303 + mFeatureValues(aCopy.mFeatureValues) {}
1.304 +
1.305 + NS_DECL_ISUPPORTS
1.306 +
1.307 + // nsIStyleRule methods
1.308 +#ifdef DEBUG
1.309 + virtual void List(FILE* out = stdout, int32_t aIndent = 0) const MOZ_OVERRIDE;
1.310 +#endif
1.311 +
1.312 + // Rule methods
1.313 + DECL_STYLE_RULE_INHERIT
1.314 +
1.315 + virtual int32_t GetType() const MOZ_OVERRIDE;
1.316 + virtual already_AddRefed<mozilla::css::Rule> Clone() const MOZ_OVERRIDE;
1.317 +
1.318 + // nsIDOMCSSRule interface
1.319 + NS_DECL_NSIDOMCSSRULE
1.320 +
1.321 + // nsIDOMCSSFontFaceRule interface
1.322 + NS_DECL_NSIDOMCSSFONTFEATUREVALUESRULE
1.323 +
1.324 + const nsTArray<nsString>& GetFamilyList() { return mFamilyList; }
1.325 + void SetFamilyList(const nsAString& aFamilyList, bool& aContainsGeneric);
1.326 +
1.327 + void AddValueList(int32_t aVariantAlternate,
1.328 + nsTArray<gfxFontFeatureValueSet::ValueList>& aValueList);
1.329 +
1.330 + const nsTArray<gfxFontFeatureValueSet::FeatureValues>& GetFeatureValues()
1.331 + {
1.332 + return mFeatureValues;
1.333 + }
1.334 +
1.335 + virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE;
1.336 +
1.337 + static bool PrefEnabled()
1.338 + {
1.339 + // font-variant-alternates enabled ==> layout.css.font-features.enabled is true
1.340 + bool fontFeaturesEnabled =
1.341 + nsCSSProps::IsEnabled(eCSSProperty_font_variant_alternates);
1.342 +
1.343 + return fontFeaturesEnabled;
1.344 + }
1.345 +
1.346 +protected:
1.347 + nsTArray<nsString> mFamilyList;
1.348 + nsTArray<gfxFontFeatureValueSet::FeatureValues> mFeatureValues;
1.349 +};
1.350 +
1.351 +namespace mozilla {
1.352 +namespace css {
1.353 +
1.354 +class CharsetRule MOZ_FINAL : public Rule,
1.355 + public nsIDOMCSSCharsetRule
1.356 +{
1.357 +public:
1.358 + CharsetRule(const nsAString& aEncoding);
1.359 +private:
1.360 + // For |Clone|
1.361 + CharsetRule(const CharsetRule& aCopy);
1.362 + ~CharsetRule() {}
1.363 +
1.364 +public:
1.365 + NS_DECL_ISUPPORTS
1.366 +
1.367 + DECL_STYLE_RULE_INHERIT
1.368 +
1.369 + // nsIStyleRule methods
1.370 +#ifdef DEBUG
1.371 + virtual void List(FILE* out = stdout, int32_t aIndent = 0) const MOZ_OVERRIDE;
1.372 +#endif
1.373 +
1.374 + // Rule methods
1.375 + virtual int32_t GetType() const;
1.376 + virtual already_AddRefed<Rule> Clone() const;
1.377 +
1.378 + // nsIDOMCSSRule interface
1.379 + NS_DECL_NSIDOMCSSRULE
1.380 +
1.381 + // nsIDOMCSSCharsetRule methods
1.382 + NS_IMETHOD GetEncoding(nsAString& aEncoding) MOZ_OVERRIDE;
1.383 + NS_IMETHOD SetEncoding(const nsAString& aEncoding) MOZ_OVERRIDE;
1.384 +
1.385 + virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
1.386 +
1.387 +private:
1.388 + nsString mEncoding;
1.389 +};
1.390 +
1.391 +} // namespace css
1.392 +} // namespace mozilla
1.393 +
1.394 +class nsCSSKeyframeRule;
1.395 +
1.396 +class nsCSSKeyframeStyleDeclaration MOZ_FINAL : public nsDOMCSSDeclaration
1.397 +{
1.398 +public:
1.399 + nsCSSKeyframeStyleDeclaration(nsCSSKeyframeRule *aRule);
1.400 + virtual ~nsCSSKeyframeStyleDeclaration();
1.401 +
1.402 + NS_IMETHOD GetParentRule(nsIDOMCSSRule **aParent) MOZ_OVERRIDE;
1.403 + void DropReference() { mRule = nullptr; }
1.404 + virtual mozilla::css::Declaration* GetCSSDeclaration(bool aAllocate) MOZ_OVERRIDE;
1.405 + virtual nsresult SetCSSDeclaration(mozilla::css::Declaration* aDecl) MOZ_OVERRIDE;
1.406 + virtual void GetCSSParsingEnvironment(CSSParsingEnvironment& aCSSParseEnv) MOZ_OVERRIDE;
1.407 + virtual nsIDocument* DocToUpdate() MOZ_OVERRIDE;
1.408 +
1.409 + NS_DECL_CYCLE_COLLECTING_ISUPPORTS
1.410 + NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_AMBIGUOUS(nsCSSKeyframeStyleDeclaration,
1.411 + nsICSSDeclaration)
1.412 +
1.413 + virtual nsINode* GetParentObject() MOZ_OVERRIDE;
1.414 +
1.415 +protected:
1.416 + // This reference is not reference-counted. The rule object tells us
1.417 + // when it's about to go away.
1.418 + nsCSSKeyframeRule *mRule;
1.419 +};
1.420 +
1.421 +class nsCSSKeyframeRule MOZ_FINAL : public mozilla::css::Rule,
1.422 + public nsIDOMMozCSSKeyframeRule
1.423 +{
1.424 +public:
1.425 + // WARNING: Steals the contents of aKeys *and* aDeclaration
1.426 + nsCSSKeyframeRule(InfallibleTArray<float>& aKeys,
1.427 + nsAutoPtr<mozilla::css::Declaration> aDeclaration)
1.428 + : mDeclaration(aDeclaration)
1.429 + {
1.430 + mKeys.SwapElements(aKeys);
1.431 + }
1.432 +private:
1.433 + nsCSSKeyframeRule(const nsCSSKeyframeRule& aCopy);
1.434 + ~nsCSSKeyframeRule();
1.435 +public:
1.436 + NS_DECL_CYCLE_COLLECTING_ISUPPORTS
1.437 + NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(nsCSSKeyframeRule, nsIStyleRule)
1.438 +
1.439 + // nsIStyleRule methods
1.440 +#ifdef DEBUG
1.441 + virtual void List(FILE* out = stdout, int32_t aIndent = 0) const MOZ_OVERRIDE;
1.442 +#endif
1.443 +
1.444 + // Rule methods
1.445 + DECL_STYLE_RULE_INHERIT
1.446 + virtual int32_t GetType() const MOZ_OVERRIDE;
1.447 + virtual already_AddRefed<mozilla::css::Rule> Clone() const;
1.448 +
1.449 + // nsIDOMCSSRule interface
1.450 + NS_DECL_NSIDOMCSSRULE
1.451 +
1.452 + // nsIDOMMozCSSKeyframeRule interface
1.453 + NS_DECL_NSIDOMMOZCSSKEYFRAMERULE
1.454 +
1.455 + const nsTArray<float>& GetKeys() const { return mKeys; }
1.456 + mozilla::css::Declaration* Declaration() { return mDeclaration; }
1.457 +
1.458 + void ChangeDeclaration(mozilla::css::Declaration* aDeclaration);
1.459 +
1.460 + virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE;
1.461 +
1.462 + void DoGetKeyText(nsAString &aKeyText) const;
1.463 +
1.464 +private:
1.465 + nsTArray<float> mKeys;
1.466 + nsAutoPtr<mozilla::css::Declaration> mDeclaration;
1.467 + // lazily created when needed:
1.468 + nsRefPtr<nsCSSKeyframeStyleDeclaration> mDOMDeclaration;
1.469 +};
1.470 +
1.471 +class nsCSSKeyframesRule MOZ_FINAL : public mozilla::css::GroupRule,
1.472 + public nsIDOMMozCSSKeyframesRule
1.473 +{
1.474 +public:
1.475 + nsCSSKeyframesRule(const nsSubstring& aName)
1.476 + : mName(aName)
1.477 + {
1.478 + }
1.479 +private:
1.480 + nsCSSKeyframesRule(const nsCSSKeyframesRule& aCopy);
1.481 + ~nsCSSKeyframesRule();
1.482 +public:
1.483 + NS_DECL_ISUPPORTS_INHERITED
1.484 +
1.485 + // nsIStyleRule methods
1.486 +#ifdef DEBUG
1.487 + virtual void List(FILE* out = stdout, int32_t aIndent = 0) const MOZ_OVERRIDE;
1.488 +#endif
1.489 +
1.490 + // Rule methods
1.491 + virtual int32_t GetType() const;
1.492 + virtual already_AddRefed<mozilla::css::Rule> Clone() const;
1.493 + virtual nsIDOMCSSRule* GetDOMRule()
1.494 + {
1.495 + return this;
1.496 + }
1.497 + virtual nsIDOMCSSRule* GetExistingDOMRule()
1.498 + {
1.499 + return this;
1.500 + }
1.501 +
1.502 + // nsIDOMCSSRule interface
1.503 + NS_DECL_NSIDOMCSSRULE
1.504 +
1.505 + // nsIDOMMozCSSKeyframesRule interface
1.506 + NS_DECL_NSIDOMMOZCSSKEYFRAMESRULE
1.507 +
1.508 + // rest of GroupRule
1.509 + virtual bool UseForPresentation(nsPresContext* aPresContext,
1.510 + nsMediaQueryResultCacheKey& aKey) MOZ_OVERRIDE;
1.511 +
1.512 + const nsString& GetName() { return mName; }
1.513 +
1.514 + virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE;
1.515 +
1.516 +private:
1.517 + uint32_t FindRuleIndexForKey(const nsAString& aKey);
1.518 +
1.519 + nsString mName;
1.520 +};
1.521 +
1.522 +class nsCSSPageRule;
1.523 +
1.524 +class nsCSSPageStyleDeclaration MOZ_FINAL : public nsDOMCSSDeclaration
1.525 +{
1.526 +public:
1.527 + nsCSSPageStyleDeclaration(nsCSSPageRule *aRule);
1.528 + virtual ~nsCSSPageStyleDeclaration();
1.529 +
1.530 + NS_IMETHOD GetParentRule(nsIDOMCSSRule **aParent) MOZ_OVERRIDE;
1.531 + void DropReference() { mRule = nullptr; }
1.532 + virtual mozilla::css::Declaration* GetCSSDeclaration(bool aAllocate) MOZ_OVERRIDE;
1.533 + virtual nsresult SetCSSDeclaration(mozilla::css::Declaration* aDecl) MOZ_OVERRIDE;
1.534 + virtual void GetCSSParsingEnvironment(CSSParsingEnvironment& aCSSParseEnv) MOZ_OVERRIDE;
1.535 + virtual nsIDocument* DocToUpdate() MOZ_OVERRIDE;
1.536 +
1.537 + NS_DECL_CYCLE_COLLECTING_ISUPPORTS
1.538 + NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_AMBIGUOUS(nsCSSPageStyleDeclaration,
1.539 + nsICSSDeclaration)
1.540 +
1.541 + virtual nsINode *GetParentObject() MOZ_OVERRIDE;
1.542 +
1.543 +protected:
1.544 + // This reference is not reference-counted. The rule object tells us
1.545 + // when it's about to go away.
1.546 + nsCSSPageRule *mRule;
1.547 +};
1.548 +
1.549 +class nsCSSPageRule MOZ_FINAL : public mozilla::css::Rule,
1.550 + public nsIDOMCSSPageRule
1.551 +{
1.552 +public:
1.553 + // WARNING: Steals the contents of aDeclaration
1.554 + nsCSSPageRule(nsAutoPtr<mozilla::css::Declaration> aDeclaration)
1.555 + : mDeclaration(aDeclaration),
1.556 + mImportantRule(nullptr)
1.557 + {
1.558 + }
1.559 +private:
1.560 + nsCSSPageRule(const nsCSSPageRule& aCopy);
1.561 + ~nsCSSPageRule();
1.562 +public:
1.563 + NS_DECL_CYCLE_COLLECTING_ISUPPORTS
1.564 + NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(nsCSSPageRule, nsIDOMCSSPageRule)
1.565 +
1.566 + // nsIStyleRule methods
1.567 +#ifdef DEBUG
1.568 + virtual void List(FILE* out = stdout, int32_t aIndent = 0) const MOZ_OVERRIDE;
1.569 +#endif
1.570 +
1.571 + // Rule methods
1.572 + DECL_STYLE_RULE_INHERIT
1.573 + virtual int32_t GetType() const MOZ_OVERRIDE;
1.574 + virtual already_AddRefed<mozilla::css::Rule> Clone() const;
1.575 +
1.576 + // nsIDOMCSSRule interface
1.577 + NS_DECL_NSIDOMCSSRULE
1.578 +
1.579 + // nsIDOMCSSPageRule interface
1.580 + NS_DECL_NSIDOMCSSPAGERULE
1.581 +
1.582 + mozilla::css::Declaration* Declaration() { return mDeclaration; }
1.583 +
1.584 + void ChangeDeclaration(mozilla::css::Declaration* aDeclaration);
1.585 +
1.586 + mozilla::css::ImportantRule* GetImportantRule();
1.587 +
1.588 + virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE;
1.589 +private:
1.590 + nsAutoPtr<mozilla::css::Declaration> mDeclaration;
1.591 + // lazily created when needed:
1.592 + nsRefPtr<nsCSSPageStyleDeclaration> mDOMDeclaration;
1.593 + nsRefPtr<mozilla::css::ImportantRule> mImportantRule;
1.594 +};
1.595 +
1.596 +namespace mozilla {
1.597 +
1.598 +class CSSSupportsRule : public css::GroupRule,
1.599 + public nsIDOMCSSSupportsRule
1.600 +{
1.601 +public:
1.602 + CSSSupportsRule(bool aConditionMet, const nsString& aCondition);
1.603 + CSSSupportsRule(const CSSSupportsRule& aCopy);
1.604 +
1.605 + // nsIStyleRule methods
1.606 +#ifdef DEBUG
1.607 + virtual void List(FILE* out = stdout, int32_t aIndent = 0) const MOZ_OVERRIDE;
1.608 +#endif
1.609 +
1.610 + // Rule methods
1.611 + virtual int32_t GetType() const;
1.612 + virtual already_AddRefed<mozilla::css::Rule> Clone() const;
1.613 + virtual bool UseForPresentation(nsPresContext* aPresContext,
1.614 + nsMediaQueryResultCacheKey& aKey);
1.615 + virtual nsIDOMCSSRule* GetDOMRule()
1.616 + {
1.617 + return this;
1.618 + }
1.619 + virtual nsIDOMCSSRule* GetExistingDOMRule()
1.620 + {
1.621 + return this;
1.622 + }
1.623 +
1.624 + NS_DECL_ISUPPORTS_INHERITED
1.625 +
1.626 + // nsIDOMCSSRule interface
1.627 + NS_DECL_NSIDOMCSSRULE
1.628 +
1.629 + // nsIDOMCSSGroupingRule interface
1.630 + NS_DECL_NSIDOMCSSGROUPINGRULE
1.631 +
1.632 + // nsIDOMCSSConditionRule interface
1.633 + NS_DECL_NSIDOMCSSCONDITIONRULE
1.634 +
1.635 + // nsIDOMCSSSupportsRule interface
1.636 + NS_DECL_NSIDOMCSSSUPPORTSRULE
1.637 +
1.638 + virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
1.639 +
1.640 + static bool PrefEnabled()
1.641 + {
1.642 + return Preferences::GetBool("layout.css.supports-rule.enabled");
1.643 + }
1.644 +
1.645 +protected:
1.646 + bool mUseGroup;
1.647 + nsString mCondition;
1.648 +};
1.649 +
1.650 +} // namespace mozilla
1.651 +
1.652 +#endif /* !defined(nsCSSRules_h_) */
