2 * Copyright (C) 2010, Google Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 #ifndef InspectorCSSAgent_h
26 #define InspectorCSSAgent_h
28 #include "core/css/CSSSelector.h"
29 #include "core/dom/SecurityContext.h"
30 #include "core/frame/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 InspectorStyleSheet::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 restore() OVERRIDE;
111 virtual void enable(ErrorString*, PassRefPtr<EnableCallback>) OVERRIDE;
112 virtual void disable(ErrorString*) OVERRIDE;
114 void didCommitLoad(Frame*, DocumentLoader*);
115 void mediaQueryResultChanged();
116 void willMutateRules();
117 void didMutateRules(CSSStyleSheet*);
118 void willMutateStyle();
119 void didMutateStyle(CSSStyleDeclaration*, bool);
122 void activeStyleSheetsUpdated(Document*);
123 void frameDetachedFromParent(Frame*);
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 getStyleSheet(ErrorString*, const String& styleSheetId, RefPtr<TypeBuilder::CSS::CSSStyleSheetBody>& result) OVERRIDE;
130 virtual void getStyleSheetText(ErrorString*, const String& styleSheetId, String* result) OVERRIDE;
131 virtual void setStyleSheetText(ErrorString*, const String& styleSheetId, const String& text) OVERRIDE;
132 virtual void setPropertyText(ErrorString*, const RefPtr<JSONObject>& styleId, int propertyIndex, const String& text, bool overwrite, RefPtr<TypeBuilder::CSS::CSSStyle>& result) OVERRIDE;
133 virtual void setRuleSelector(ErrorString*, const RefPtr<JSONObject>& ruleId, const String& selector, RefPtr<TypeBuilder::CSS::CSSRule>& result) OVERRIDE;
134 virtual void addRule(ErrorString*, int contextNodeId, const String& selector, RefPtr<TypeBuilder::CSS::CSSRule>& result) OVERRIDE;
135 virtual void forcePseudoState(ErrorString*, int nodeId, const RefPtr<JSONArray>& forcedPseudoClasses) OVERRIDE;
137 PassRefPtr<TypeBuilder::CSS::CSSMedia> buildMediaObject(const MediaList*, MediaListSource, const String&, CSSStyleSheet*);
138 PassRefPtr<TypeBuilder::Array<TypeBuilder::CSS::CSSMedia> > buildMediaListChain(CSSRule*);
141 class StyleSheetAction;
142 class SetStyleSheetTextAction;
143 class SetPropertyTextAction;
144 class SetRuleSelectorAction;
146 class EnableResourceClient;
148 InspectorCSSAgent(InspectorDOMAgent*, InspectorPageAgent*, InspectorResourceAgent*);
150 typedef HashMap<String, RefPtr<InspectorStyleSheet> > IdToInspectorStyleSheet;
151 typedef HashMap<Node*, RefPtr<InspectorStyleSheetForInlineStyle> > NodeToInspectorStyleSheet; // bogus "stylesheets" with elements' inline styles
152 typedef HashMap<int, unsigned> NodeIdToForcedPseudoState;
154 void wasEnabled(PassRefPtr<EnableCallback>);
155 void resetNonPersistentData();
156 InspectorStyleSheetForInlineStyle* asInspectorStyleSheet(Element* element);
157 Element* elementForId(ErrorString*, int nodeId);
158 void collectAllStyleSheets(Vector<InspectorStyleSheet*>&);
159 void collectAllDocumentStyleSheets(Document*, Vector<CSSStyleSheet*>&);
160 void collectStyleSheets(CSSStyleSheet*, Vector<CSSStyleSheet*>&);
162 void updateActiveStyleSheetsForDocument(Document*, StyleSheetsUpdateType);
163 void updateActiveStyleSheets(Frame*, const Vector<CSSStyleSheet*>&, StyleSheetsUpdateType);
165 void collectPlatformFontsForRenderer(RenderText*, HashCountedSet<String>*);
167 InspectorStyleSheet* bindStyleSheet(CSSStyleSheet*);
168 String unbindStyleSheet(InspectorStyleSheet*);
169 InspectorStyleSheet* viaInspectorStyleSheet(Document*, bool createIfAbsent);
170 InspectorStyleSheet* assertStyleSheetForId(ErrorString*, const String&);
171 TypeBuilder::CSS::StyleSheetOrigin::Enum detectOrigin(CSSStyleSheet* pageStyleSheet, Document* ownerDocument);
172 bool styleSheetEditInProgress() const { return m_styleSheetsPendingMutation || m_styleDeclarationPendingMutation || m_isSettingStyleSheetText; }
174 PassRefPtr<TypeBuilder::CSS::CSSRule> buildObjectForRule(CSSStyleRule*);
175 PassRefPtr<TypeBuilder::Array<TypeBuilder::CSS::CSSRule> > buildArrayForRuleList(CSSRuleList*);
176 PassRefPtr<TypeBuilder::Array<TypeBuilder::CSS::RuleMatch> > buildArrayForMatchedRuleList(CSSRuleList*, Element*);
177 PassRefPtr<TypeBuilder::CSS::CSSStyle> buildObjectForAttributesStyle(Element*);
179 // InspectorDOMAgent::DOMListener implementation
180 virtual void didRemoveDocument(Document*) OVERRIDE;
181 virtual void didRemoveDOMNode(Node*) OVERRIDE;
182 virtual void didModifyDOMAttr(Element*) OVERRIDE;
184 // InspectorStyleSheet::Listener implementation
185 virtual void styleSheetChanged(InspectorStyleSheet*) OVERRIDE;
186 virtual void willReparseStyleSheet() OVERRIDE;
187 virtual void didReparseStyleSheet() OVERRIDE;
189 void resetPseudoStates();
191 InspectorFrontend::CSS* m_frontend;
192 InspectorDOMAgent* m_domAgent;
193 InspectorPageAgent* m_pageAgent;
194 InspectorResourceAgent* m_resourceAgent;
196 IdToInspectorStyleSheet m_idToInspectorStyleSheet;
197 HashMap<CSSStyleSheet*, RefPtr<InspectorStyleSheet> > m_cssStyleSheetToInspectorStyleSheet;
198 HashMap<Frame*, OwnPtr<HashSet<CSSStyleSheet*> > > m_frameToCSSStyleSheets;
200 NodeToInspectorStyleSheet m_nodeToInspectorStyleSheet;
201 HashMap<RefPtr<Document>, RefPtr<InspectorStyleSheet> > m_documentToViaInspectorStyleSheet; // "via inspector" stylesheets
202 NodeIdToForcedPseudoState m_nodeIdToForcedPseudoState;
204 RefPtr<CSSStyleSheet> m_inspectorUserAgentStyleSheet;
206 int m_lastStyleSheetId;
207 int m_styleSheetsPendingMutation;
208 bool m_styleDeclarationPendingMutation;
209 bool m_creatingViaInspectorStyleSheet;
210 bool m_isSettingStyleSheetText;
212 friend class EnableResourceClient;
213 friend class StyleSheetBinder;
217 } // namespace WebCore
219 #endif // !defined(InspectorCSSAgent_h)