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/*
* Copyright (C) 2010, Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef InspectorCSSAgent_h
#define InspectorCSSAgent_h
#include "CSSSelector.h"
#include "ContentSecurityPolicy.h"
#include "InspectorDOMAgent.h"
#include "InspectorStyleSheet.h"
#include "InspectorWebAgentBase.h"
#include "InspectorWebBackendDispatchers.h"
#include "SecurityContext.h"
#include <inspector/InspectorValues.h>
#include <wtf/HashMap.h>
#include <wtf/HashSet.h>
#include <wtf/PassRefPtr.h>
#include <wtf/RefPtr.h>
#include <wtf/text/WTFString.h>
namespace Inspector {
class InspectorCSSFrontendDispatcher;
}
namespace WebCore {
class CSSRule;
class CSSRuleList;
class CSSStyleDeclaration;
class CSSStyleRule;
class CSSStyleSheet;
class Document;
class DocumentStyleSheetCollection;
class Element;
class InspectorCSSOMWrappers;
class InstrumentingAgents;
class NameNodeMap;
class Node;
class NodeList;
class StyleResolver;
class StyleRule;
class ChangeRegionOversetTask;
#if ENABLE(INSPECTOR)
class InspectorCSSAgent
: public InspectorAgentBase
, public InspectorDOMAgent::DOMListener
, public Inspector::InspectorCSSBackendDispatcherHandler
, public InspectorStyleSheet::Listener {
WTF_MAKE_NONCOPYABLE(InspectorCSSAgent);
WTF_MAKE_FAST_ALLOCATED;
public:
class InlineStyleOverrideScope {
public:
InlineStyleOverrideScope(SecurityContext* context)
: m_contentSecurityPolicy(context->contentSecurityPolicy())
{
m_contentSecurityPolicy->setOverrideAllowInlineStyle(true);
}
~InlineStyleOverrideScope()
{
m_contentSecurityPolicy->setOverrideAllowInlineStyle(false);
}
private:
ContentSecurityPolicy* m_contentSecurityPolicy;
};
InspectorCSSAgent(InstrumentingAgents*, InspectorDOMAgent*);
~InspectorCSSAgent();
static CSSStyleRule* asCSSStyleRule(CSSRule*);
bool forcePseudoState(Element*, CSSSelector::PseudoClassType);
virtual void didCreateFrontendAndBackend(Inspector::InspectorFrontendChannel*, Inspector::InspectorBackendDispatcher*) override;
virtual void willDestroyFrontendAndBackend(Inspector::InspectorDisconnectReason) override;
virtual void discardAgent() override;
virtual void enable(ErrorString*) override;
virtual void disable(ErrorString*) override;
void reset();
void mediaQueryResultChanged();
void didCreateNamedFlow(Document*, WebKitNamedFlow*);
void willRemoveNamedFlow(Document*, WebKitNamedFlow*);
void didChangeRegionOverset(Document*, WebKitNamedFlow*);
void regionOversetChanged(WebKitNamedFlow*, int documentNodeId);
void didRegisterNamedFlowContentElement(Document*, WebKitNamedFlow*, Node* contentElement, Node* nextContentElement = nullptr);
void didUnregisterNamedFlowContentElement(Document*, WebKitNamedFlow*, Node* contentElement);
virtual void getComputedStyleForNode(ErrorString*, int nodeId, RefPtr<Inspector::Protocol::Array<Inspector::Protocol::CSS::CSSComputedStyleProperty>>&) override;
virtual void getInlineStylesForNode(ErrorString*, int nodeId, RefPtr<Inspector::Protocol::CSS::CSSStyle>& inlineStyle, RefPtr<Inspector::Protocol::CSS::CSSStyle>& attributes) override;
virtual void getMatchedStylesForNode(ErrorString*, int nodeId, const bool* includePseudo, const bool* includeInherited, RefPtr<Inspector::Protocol::Array<Inspector::Protocol::CSS::RuleMatch>>& matchedCSSRules, RefPtr<Inspector::Protocol::Array<Inspector::Protocol::CSS::PseudoIdMatches>>& pseudoIdMatches, RefPtr<Inspector::Protocol::Array<Inspector::Protocol::CSS::InheritedStyleEntry>>& inheritedEntries) override;
virtual void getAllStyleSheets(ErrorString*, RefPtr<Inspector::Protocol::Array<Inspector::Protocol::CSS::CSSStyleSheetHeader>>& styleSheetInfos) override;
virtual void getStyleSheet(ErrorString*, const String& styleSheetId, RefPtr<Inspector::Protocol::CSS::CSSStyleSheetBody>& result) override;
virtual void getStyleSheetText(ErrorString*, const String& styleSheetId, String* result) override;
virtual void setStyleSheetText(ErrorString*, const String& styleSheetId, const String& text) override;
virtual void setStyleText(ErrorString*, const RefPtr<Inspector::InspectorObject>& styleId, const String& text, RefPtr<Inspector::Protocol::CSS::CSSStyle>& result) override;
virtual void setPropertyText(ErrorString*, const RefPtr<Inspector::InspectorObject>& styleId, int propertyIndex, const String& text, bool overwrite, RefPtr<Inspector::Protocol::CSS::CSSStyle>& result) override;
virtual void toggleProperty(ErrorString*, const RefPtr<Inspector::InspectorObject>& styleId, int propertyIndex, bool disable, RefPtr<Inspector::Protocol::CSS::CSSStyle>& result) override;
virtual void setRuleSelector(ErrorString*, const RefPtr<Inspector::InspectorObject>& ruleId, const String& selector, RefPtr<Inspector::Protocol::CSS::CSSRule>& result) override;
virtual void addRule(ErrorString*, int contextNodeId, const String& selector, RefPtr<Inspector::Protocol::CSS::CSSRule>& result) override;
virtual void getSupportedCSSProperties(ErrorString*, RefPtr<Inspector::Protocol::Array<Inspector::Protocol::CSS::CSSPropertyInfo>>& result) override;
virtual void forcePseudoState(ErrorString*, int nodeId, const RefPtr<Inspector::InspectorArray>& forcedPseudoClasses) override;
virtual void getNamedFlowCollection(ErrorString*, int documentNodeId, RefPtr<Inspector::Protocol::Array<Inspector::Protocol::CSS::NamedFlow>>& result) override;
private:
class StyleSheetAction;
class SetStyleSheetTextAction;
class SetStyleTextAction;
class SetPropertyTextAction;
class TogglePropertyAction;
class SetRuleSelectorAction;
class AddRuleAction;
typedef HashMap<String, RefPtr<InspectorStyleSheet>> IdToInspectorStyleSheet;
typedef HashMap<CSSStyleSheet*, RefPtr<InspectorStyleSheet>> CSSStyleSheetToInspectorStyleSheet;
typedef HashMap<Node*, RefPtr<InspectorStyleSheetForInlineStyle>> NodeToInspectorStyleSheet; // bogus "stylesheets" with elements' inline styles
typedef HashMap<RefPtr<Document>, RefPtr<InspectorStyleSheet>> DocumentToViaInspectorStyleSheet; // "via inspector" stylesheets
typedef HashMap<int, unsigned> NodeIdToForcedPseudoState;
void resetNonPersistentData();
InspectorStyleSheetForInlineStyle* asInspectorStyleSheet(Element* element);
Element* elementForId(ErrorString*, int nodeId);
int documentNodeWithRequestedFlowsId(Document*);
void collectStyleSheets(CSSStyleSheet*, Inspector::Protocol::Array<Inspector::Protocol::CSS::CSSStyleSheetHeader>*);
InspectorStyleSheet* bindStyleSheet(CSSStyleSheet*);
InspectorStyleSheet* viaInspectorStyleSheet(Document*, bool createIfAbsent);
InspectorStyleSheet* assertStyleSheetForId(ErrorString*, const String&);
Inspector::Protocol::CSS::StyleSheetOrigin detectOrigin(CSSStyleSheet* pageStyleSheet, Document* ownerDocument);
PassRefPtr<Inspector::Protocol::CSS::CSSRule> buildObjectForRule(StyleRule*, StyleResolver&);
PassRefPtr<Inspector::Protocol::CSS::CSSRule> buildObjectForRule(CSSStyleRule*);
PassRefPtr<Inspector::Protocol::Array<Inspector::Protocol::CSS::CSSRule>> buildArrayForRuleList(CSSRuleList*);
PassRefPtr<Inspector::Protocol::Array<Inspector::Protocol::CSS::RuleMatch>> buildArrayForMatchedRuleList(const Vector<RefPtr<StyleRule>>&, StyleResolver&, Element*);
PassRefPtr<Inspector::Protocol::CSS::CSSStyle> buildObjectForAttributesStyle(Element*);
PassRefPtr<Inspector::Protocol::Array<Inspector::Protocol::CSS::Region>> buildArrayForRegions(ErrorString*, PassRefPtr<NodeList>, int documentNodeId);
PassRefPtr<Inspector::Protocol::CSS::NamedFlow> buildObjectForNamedFlow(ErrorString*, WebKitNamedFlow*, int documentNodeId);
// InspectorDOMAgent::DOMListener implementation
virtual void didRemoveDocument(Document*) override;
virtual void didRemoveDOMNode(Node*) override;
virtual void didModifyDOMAttr(Element*) override;
// InspectorCSSAgent::Listener implementation
virtual void styleSheetChanged(InspectorStyleSheet*) override;
void resetPseudoStates();
std::unique_ptr<Inspector::InspectorCSSFrontendDispatcher> m_frontendDispatcher;
RefPtr<Inspector::InspectorCSSBackendDispatcher> m_backendDispatcher;
InspectorDOMAgent* m_domAgent;
IdToInspectorStyleSheet m_idToInspectorStyleSheet;
CSSStyleSheetToInspectorStyleSheet m_cssStyleSheetToInspectorStyleSheet;
NodeToInspectorStyleSheet m_nodeToInspectorStyleSheet;
DocumentToViaInspectorStyleSheet m_documentToInspectorStyleSheet;
NodeIdToForcedPseudoState m_nodeIdToForcedPseudoState;
HashSet<int> m_namedFlowCollectionsRequested;
std::unique_ptr<ChangeRegionOversetTask> m_changeRegionOversetTask;
int m_lastStyleSheetId;
};
#endif
} // namespace WebCore
#endif // !defined(InspectorCSSAgent_h)
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