| // Copyright 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CSSParserContext_h |
| #define CSSParserContext_h |
| |
| #include "core/CSSPropertyNames.h" |
| #include "core/CoreExport.h" |
| #include "core/css/parser/CSSParserMode.h" |
| #include "core/dom/ExecutionContext.h" |
| #include "core/frame/WebFeatureForward.h" |
| #include "platform/heap/Handle.h" |
| #include "platform/loader/fetch/ResourceLoaderOptions.h" |
| #include "platform/weborigin/KURL.h" |
| #include "platform/weborigin/Referrer.h" |
| #include "platform/wtf/text/TextEncoding.h" |
| |
| namespace blink { |
| |
| class CSSStyleSheet; |
| class Document; |
| class StyleSheetContents; |
| |
| class CORE_EXPORT CSSParserContext |
| : public GarbageCollectedFinalized<CSSParserContext> { |
| public: |
| // https://drafts.csswg.org/selectors/#profiles |
| enum SelectorProfile { kDynamicProfile, kStaticProfile }; |
| |
| // All three of these factories copy the context and override the current |
| // Document handle used for UseCounter. |
| static CSSParserContext* CreateWithStyleSheet(const CSSParserContext*, |
| const CSSStyleSheet*); |
| static CSSParserContext* CreateWithStyleSheetContents( |
| const CSSParserContext*, |
| const StyleSheetContents*); |
| // FIXME: This constructor shouldn't exist if we properly piped the UseCounter |
| // through the CSS subsystem. Currently the UseCounter life time is too crazy |
| // and we need a way to override it. |
| static CSSParserContext* Create(const CSSParserContext* other, |
| const Document* use_counter_document); |
| |
| static CSSParserContext* Create(const CSSParserContext* other, |
| const KURL& base_url_override, |
| ReferrerPolicy referrer_policy_override, |
| const WTF::TextEncoding& charset_override, |
| const Document* use_counter_document); |
| |
| static CSSParserContext* Create( |
| CSSParserMode, |
| SecureContextMode, |
| SelectorProfile = kDynamicProfile, |
| const Document* use_counter_document = nullptr); |
| static CSSParserContext* Create(const Document&); |
| static CSSParserContext* Create( |
| const Document&, |
| const KURL& base_url_override, |
| ReferrerPolicy referrer_policy_override, |
| const WTF::TextEncoding& charset = WTF::TextEncoding(), |
| SelectorProfile = kDynamicProfile); |
| // This is used for workers, where we don't have a document. |
| static CSSParserContext* Create(const ExecutionContext&); |
| |
| bool operator==(const CSSParserContext&) const; |
| bool operator!=(const CSSParserContext& other) const { |
| return !(*this == other); |
| } |
| |
| CSSParserMode Mode() const { return mode_; } |
| CSSParserMode MatchMode() const { return match_mode_; } |
| const KURL& BaseURL() const { return base_url_; } |
| const WTF::TextEncoding& Charset() const { return charset_; } |
| const Referrer& GetReferrer() const { return referrer_; } |
| bool IsHTMLDocument() const { return is_html_document_; } |
| bool IsDynamicProfile() const { return profile_ == kDynamicProfile; } |
| bool IsStaticProfile() const { return profile_ == kStaticProfile; } |
| |
| bool IsSecureContext() const; |
| |
| // This quirk is to maintain compatibility with Android apps built on |
| // the Android SDK prior to and including version 18. Presumably, this |
| // can be removed any time after 2015. See http://crbug.com/277157. |
| bool UseLegacyBackgroundSizeShorthandBehavior() const { |
| return use_legacy_background_size_shorthand_behavior_; |
| } |
| |
| // FIXME: This setter shouldn't exist, however the current lifetime of |
| // CSSParserContext is not well understood and thus we sometimes need to |
| // override this field. |
| void SetMode(CSSParserMode mode) { mode_ = mode; } |
| |
| KURL CompleteURL(const String& url) const; |
| |
| void Count(WebFeature) const; |
| void Count(CSSParserMode, CSSPropertyID) const; |
| void CountDeprecation(WebFeature) const; |
| bool IsUseCounterRecordingEnabled() const { return document_; } |
| bool IsDocumentHandleEqual(const Document* other) const; |
| |
| ContentSecurityPolicyDisposition ShouldCheckContentSecurityPolicy() const { |
| return should_check_content_security_policy_; |
| } |
| |
| void Trace(blink::Visitor*); |
| |
| private: |
| CSSParserContext(const KURL& base_url, |
| const WTF::TextEncoding& charset, |
| CSSParserMode, |
| CSSParserMode match_mode, |
| SelectorProfile, |
| const Referrer&, |
| bool is_html_document, |
| bool use_legacy_background_size_shorthand_behavior, |
| SecureContextMode, |
| ContentSecurityPolicyDisposition, |
| const Document* use_counter_document); |
| |
| KURL base_url_; |
| WTF::TextEncoding charset_; |
| CSSParserMode mode_; |
| CSSParserMode match_mode_; |
| SelectorProfile profile_ = kDynamicProfile; |
| Referrer referrer_; |
| bool is_html_document_; |
| bool use_legacy_background_size_shorthand_behavior_; |
| SecureContextMode secure_context_mode_; |
| ContentSecurityPolicyDisposition should_check_content_security_policy_; |
| |
| WeakMember<const Document> document_; |
| }; |
| |
| CORE_EXPORT const CSSParserContext* StrictCSSParserContext(SecureContextMode); |
| |
| } // namespace blink |
| |
| #endif // CSSParserContext_h |