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25 #ifndef InspectorCSSAgent_h
26 #define InspectorCSSAgent_h
28 #include "core/css/CSSSelector.h"
29 #include "core/dom/SecurityContext.h"
30 #include "core/frame/csp/ContentSecurityPolicy.h"
31 #include "core/inspector/InspectorBaseAgent.h"
32 #include "core/inspector/InspectorDOMAgent.h"
33 #include "core/inspector/InspectorStyleSheet.h"
34 #include "platform/JSONValues.h"
35 #include "wtf/HashCountedSet.h"
36 #include "wtf/HashMap.h"
37 #include "wtf/HashSet.h"
38 #include "wtf/PassRefPtr.h"
39 #include "wtf/RefPtr.h"
40 #include "wtf/Vector.h"
41 #include "wtf/text/WTFString.h"
45 struct CSSParserString;
52 class InspectorFrontend;
53 class InspectorResourceAgent;
54 class InstrumentingAgents;
58 class PlatformFontUsage;
62 class InspectorCSSAgent FINAL
63 : public InspectorBaseAgent<InspectorCSSAgent>
64 , public InspectorDOMAgent::DOMListener
65 , public InspectorBackendDispatcher::CSSCommandHandler
66 , public InspectorStyleSheetBase::Listener {
67 WTF_MAKE_NONCOPYABLE(InspectorCSSAgent);
69 enum MediaListSource {
70 MediaListSourceLinkedSheet,
71 MediaListSourceInlineSheet,
72 MediaListSourceMediaRule,
73 MediaListSourceImportRule
76 enum StyleSheetsUpdateType {
77 InitialFrontendLoad = 0,
78 ExistingFrontendRefresh,
81 class InlineStyleOverrideScope {
83 InlineStyleOverrideScope(SecurityContext* context)
84 : m_contentSecurityPolicy(context->contentSecurityPolicy())
86 m_contentSecurityPolicy->setOverrideAllowInlineStyle(true);
89 ~InlineStyleOverrideScope()
91 m_contentSecurityPolicy->setOverrideAllowInlineStyle(false);
95 ContentSecurityPolicy* m_contentSecurityPolicy;
98 static CSSStyleRule* asCSSStyleRule(CSSRule*);
100 static PassOwnPtr<InspectorCSSAgent> create(InspectorDOMAgent* domAgent, InspectorPageAgent* pageAgent, InspectorResourceAgent* resourceAgent)
102 return adoptPtr(new InspectorCSSAgent(domAgent, pageAgent, resourceAgent));
104 virtual ~InspectorCSSAgent();
106 bool forcePseudoState(Element*, CSSSelector::PseudoType);
107 virtual void setFrontend(InspectorFrontend*) OVERRIDE;
108 virtual void clearFrontend() OVERRIDE;
109 virtual void discardAgent() OVERRIDE;
110 virtual void didCommitLoadForMainFrame() OVERRIDE;
111 virtual void restore() OVERRIDE;
112 virtual void flushPendingFrontendMessages() OVERRIDE;
113 virtual void enable(ErrorString*, PassRefPtr<EnableCallback>) OVERRIDE;
114 virtual void disable(ErrorString*) OVERRIDE;
116 void mediaQueryResultChanged();
117 void willMutateRules();
118 void didMutateRules(CSSStyleSheet*);
119 void willMutateStyle();
120 void didMutateStyle(CSSStyleDeclaration*, bool);
122 void activeStyleSheetsUpdated(Document*);
123 void documentDetached(Document*);
125 virtual void getComputedStyleForNode(ErrorString*, int nodeId, RefPtr<TypeBuilder::Array<TypeBuilder::CSS::CSSComputedStyleProperty> >&) OVERRIDE;
126 virtual void getPlatformFontsForNode(ErrorString*, int nodeId, String* cssFamilyName, RefPtr<TypeBuilder::Array<TypeBuilder::CSS::PlatformFontUsage> >&) OVERRIDE;
127 virtual void getInlineStylesForNode(ErrorString*, int nodeId, RefPtr<TypeBuilder::CSS::CSSStyle>& inlineStyle, RefPtr<TypeBuilder::CSS::CSSStyle>& attributes) OVERRIDE;
128 virtual void getMatchedStylesForNode(ErrorString*, int nodeId, const bool* includePseudo, const bool* includeInherited, RefPtr<TypeBuilder::Array<TypeBuilder::CSS::RuleMatch> >& matchedCSSRules, RefPtr<TypeBuilder::Array<TypeBuilder::CSS::PseudoIdMatches> >&, RefPtr<TypeBuilder::Array<TypeBuilder::CSS::InheritedStyleEntry> >& inheritedEntries) OVERRIDE;
129 virtual void getStyleSheetText(ErrorString*, const String& styleSheetId, String* result) OVERRIDE;
130 virtual void setStyleSheetText(ErrorString*, const String& styleSheetId, const String& text) OVERRIDE;
132 virtual void setPropertyText(ErrorString*, const String& styleSheetId, const RefPtr<JSONObject>& range, const String& text, RefPtr<TypeBuilder::CSS::CSSStyle>& result) OVERRIDE;
133 virtual void setRuleSelector(ErrorString*, const String& styleSheetId, const RefPtr<JSONObject>& range, const String& selector, RefPtr<TypeBuilder::CSS::CSSRule>& result) OVERRIDE;
134 virtual void createStyleSheet(ErrorString*, const String& frameId, TypeBuilder::CSS::StyleSheetId* outStyleSheetId) OVERRIDE;
135 virtual void addRule(ErrorString*, const String& styleSheetId, const String& selector, RefPtr<TypeBuilder::CSS::CSSRule>& result) OVERRIDE;
136 virtual void forcePseudoState(ErrorString*, int nodeId, const RefPtr<JSONArray>& forcedPseudoClasses) OVERRIDE;
138 PassRefPtr<TypeBuilder::CSS::CSSMedia> buildMediaObject(const MediaList*, MediaListSource, const String&, CSSStyleSheet*);
139 PassRefPtr<TypeBuilder::Array<TypeBuilder::CSS::CSSMedia> > buildMediaListChain(CSSRule*);
142 class StyleSheetAction;
143 class SetStyleSheetTextAction;
144 class SetPropertyTextAction;
145 class SetRuleSelectorAction;
147 class EnableResourceClient;
149 InspectorCSSAgent(InspectorDOMAgent*, InspectorPageAgent*, InspectorResourceAgent*);
151 typedef HashMap<String, RefPtr<InspectorStyleSheet> > IdToInspectorStyleSheet;
152 typedef HashMap<String, RefPtr<InspectorStyleSheetForInlineStyle> > IdToInspectorStyleSheetForInlineStyle;
153 typedef HashMap<Node*, RefPtr<InspectorStyleSheetForInlineStyle> > NodeToInspectorStyleSheet; // bogus "stylesheets" with elements' inline styles
154 typedef HashMap<int, unsigned> NodeIdToForcedPseudoState;
156 void wasEnabled(PassRefPtr<EnableCallback>);
157 void resetNonPersistentData();
158 InspectorStyleSheetForInlineStyle* asInspectorStyleSheet(Element* element);
159 Element* elementForId(ErrorString*, int nodeId);
160 void collectAllStyleSheets(Vector<InspectorStyleSheet*>&);
161 void collectAllDocumentStyleSheets(Document*, Vector<CSSStyleSheet*>&);
162 void collectStyleSheets(CSSStyleSheet*, Vector<CSSStyleSheet*>&);
164 void updateActiveStyleSheets(Document*, StyleSheetsUpdateType);
165 void setActiveStyleSheets(Document*, const Vector<CSSStyleSheet*>&, StyleSheetsUpdateType);
167 void collectPlatformFontsForRenderer(RenderText*, HashCountedSet<String>*);
169 InspectorStyleSheet* bindStyleSheet(CSSStyleSheet*);
170 String unbindStyleSheet(InspectorStyleSheet*);
171 InspectorStyleSheet* viaInspectorStyleSheet(Document*, bool createIfAbsent);
172 InspectorStyleSheet* assertInspectorStyleSheetForId(ErrorString*, const String&);
173 InspectorStyleSheetBase* assertStyleSheetForId(ErrorString*, const String&);
174 TypeBuilder::CSS::StyleSheetOrigin::Enum detectOrigin(CSSStyleSheet* pageStyleSheet, Document* ownerDocument);
175 bool styleSheetEditInProgress() const { return m_styleSheetsPendingMutation || m_styleDeclarationPendingMutation || m_isSettingStyleSheetText; }
177 PassRefPtr<TypeBuilder::CSS::CSSRule> buildObjectForRule(CSSStyleRule*);
178 PassRefPtr<TypeBuilder::Array<TypeBuilder::CSS::RuleMatch> > buildArrayForMatchedRuleList(CSSRuleList*, Element*);
179 PassRefPtr<TypeBuilder::CSS::CSSStyle> buildObjectForAttributesStyle(Element*);
181 // InspectorDOMAgent::DOMListener implementation
182 virtual void didRemoveDocument(Document*) OVERRIDE;
183 virtual void didRemoveDOMNode(Node*) OVERRIDE;
184 virtual void didModifyDOMAttr(Element*) OVERRIDE;
186 // InspectorStyleSheet::Listener implementation
187 virtual void styleSheetChanged(InspectorStyleSheetBase*) OVERRIDE;
188 virtual void willReparseStyleSheet() OVERRIDE;
189 virtual void didReparseStyleSheet() OVERRIDE;
191 void resetPseudoStates();
193 InspectorFrontend::CSS* m_frontend;
194 InspectorDOMAgent* m_domAgent;
195 InspectorPageAgent* m_pageAgent;
196 InspectorResourceAgent* m_resourceAgent;
198 IdToInspectorStyleSheet m_idToInspectorStyleSheet;
199 IdToInspectorStyleSheetForInlineStyle m_idToInspectorStyleSheetForInlineStyle;
200 HashMap<CSSStyleSheet*, RefPtr<InspectorStyleSheet> > m_cssStyleSheetToInspectorStyleSheet;
201 typedef HashMap<Document*, OwnPtr<HashSet<CSSStyleSheet*> > > DocumentStyleSheets;
202 DocumentStyleSheets m_documentToCSSStyleSheets;
203 HashSet<Document*> m_invalidatedDocuments;
205 NodeToInspectorStyleSheet m_nodeToInspectorStyleSheet;
206 HashMap<RefPtr<Document>, RefPtr<InspectorStyleSheet> > m_documentToViaInspectorStyleSheet; // "via inspector" stylesheets
207 NodeIdToForcedPseudoState m_nodeIdToForcedPseudoState;
209 RefPtrWillBePersistent<CSSStyleSheet> m_inspectorUserAgentStyleSheet;
211 int m_lastStyleSheetId;
212 int m_styleSheetsPendingMutation;
213 bool m_styleDeclarationPendingMutation;
214 bool m_creatingViaInspectorStyleSheet;
215 bool m_isSettingStyleSheetText;
217 friend class EnableResourceClient;
218 friend class StyleSheetBinder;
222 } // namespace WebCore
224 #endif // !defined(InspectorCSSAgent_h)