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/*
* Copyright (C) 2010 Google Inc. All rights reserved.
* Copyright (C) 2015-2016 Apple 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.
*/
#pragma once
#include "CSSSelector.h"
#include "ContentSecurityPolicy.h"
#include "InspectorDOMAgent.h"
#include "InspectorStyleSheet.h"
#include "InspectorWebAgentBase.h"
#include "SecurityContext.h"
#include <inspector/InspectorBackendDispatchers.h>
#include <wtf/HashMap.h>
#include <wtf/HashSet.h>
#include <wtf/JSONValues.h>
#include <wtf/RefPtr.h>
#include <wtf/text/WTFString.h>
namespace Inspector {
class CSSFrontendDispatcher;
}
namespace WebCore {
class CSSRule;
class CSSStyleRule;
class CSSStyleSheet;
class ChangeRegionOversetTask;
class Document;
class Element;
class Node;
class NodeList;
class StyleResolver;
class StyleRule;
class WebKitNamedFlow;
class InspectorCSSAgent final
: public InspectorAgentBase
, public InspectorDOMAgent::DOMListener
, public Inspector::CSSBackendDispatcherHandler
, 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(WebAgentContext&, InspectorDOMAgent*);
virtual ~InspectorCSSAgent();
static CSSStyleRule* asCSSStyleRule(CSSRule&);
void didCreateFrontendAndBackend(Inspector::FrontendRouter*, Inspector::BackendDispatcher*) override;
void willDestroyFrontendAndBackend(Inspector::DisconnectReason) override;
void discardAgent() override;
void enable(ErrorString&) override;
void disable(ErrorString&) override;
void regionOversetChanged(WebKitNamedFlow*, int documentNodeId);
void reset();
// InspectorInstrumentation
void documentDetached(Document&);
void mediaQueryResultChanged();
void activeStyleSheetsUpdated(Document&);
void didCreateNamedFlow(Document&, WebKitNamedFlow&);
void willRemoveNamedFlow(Document&, WebKitNamedFlow&);
void didChangeRegionOverset(Document&, WebKitNamedFlow&);
void didRegisterNamedFlowContentElement(Document&, WebKitNamedFlow&, Node& contentElement, Node* nextContentElement = nullptr);
void didUnregisterNamedFlowContentElement(Document&, WebKitNamedFlow&, Node& contentElement);
bool forcePseudoState(const Element&, CSSSelector::PseudoClassType);
void getComputedStyleForNode(ErrorString&, int nodeId, RefPtr<Inspector::Protocol::Array<Inspector::Protocol::CSS::CSSComputedStyleProperty>>&) override;
void getInlineStylesForNode(ErrorString&, int nodeId, RefPtr<Inspector::Protocol::CSS::CSSStyle>& inlineStyle, RefPtr<Inspector::Protocol::CSS::CSSStyle>& attributes) override;
void getMatchedStylesForNode(ErrorString&, int nodeId, const bool* const includePseudo, const bool* const includeInherited, RefPtr<Inspector::Protocol::Array<Inspector::Protocol::CSS::RuleMatch>>& matchedCSSRules, RefPtr<Inspector::Protocol::Array<Inspector::Protocol::CSS::PseudoIdMatches>>&, RefPtr<Inspector::Protocol::Array<Inspector::Protocol::CSS::InheritedStyleEntry>>& inheritedEntries) override;
void getAllStyleSheets(ErrorString&, RefPtr<Inspector::Protocol::Array<Inspector::Protocol::CSS::CSSStyleSheetHeader>>& styleSheetInfos) override;
void getStyleSheet(ErrorString&, const String& styleSheetId, RefPtr<Inspector::Protocol::CSS::CSSStyleSheetBody>& result) override;
void getStyleSheetText(ErrorString&, const String& styleSheetId, String* result) override;
void setStyleSheetText(ErrorString&, const String& styleSheetId, const String& text) override;
void setStyleText(ErrorString&, const JSON::Object& styleId, const String& text, RefPtr<Inspector::Protocol::CSS::CSSStyle>& result) override;
void setRuleSelector(ErrorString&, const JSON::Object& ruleId, const String& selector, RefPtr<Inspector::Protocol::CSS::CSSRule>& result) override;
void createStyleSheet(ErrorString&, const String& frameId, String* styleSheetId) override;
void addRule(ErrorString&, const String& styleSheetId, const String& selector, RefPtr<Inspector::Protocol::CSS::CSSRule>& result) override;
void getSupportedCSSProperties(ErrorString&, RefPtr<Inspector::Protocol::Array<Inspector::Protocol::CSS::CSSPropertyInfo>>& result) override;
void getSupportedSystemFontFamilyNames(ErrorString&, RefPtr<Inspector::Protocol::Array<String>>& result) override;
void forcePseudoState(ErrorString&, int nodeId, const JSON::Array& forcedPseudoClasses) override;
void getNamedFlowCollection(ErrorString&, int documentNodeId, RefPtr<Inspector::Protocol::Array<Inspector::Protocol::CSS::NamedFlow>>& result) override;
private:
class StyleSheetAction;
class SetStyleSheetTextAction;
class SetStyleTextAction;
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>, Vector<RefPtr<InspectorStyleSheet>>> DocumentToViaInspectorStyleSheet; // "via inspector" stylesheets
typedef HashMap<int, unsigned> NodeIdToForcedPseudoState;
void resetNonPersistentData();
InspectorStyleSheetForInlineStyle& asInspectorStyleSheet(StyledElement&);
Element* elementForId(ErrorString&, int nodeId);
int documentNodeWithRequestedFlowsId(Document*);
void collectAllStyleSheets(Vector<InspectorStyleSheet*>&);
void collectAllDocumentStyleSheets(Document&, Vector<CSSStyleSheet*>&);
void collectStyleSheets(CSSStyleSheet*, Vector<CSSStyleSheet*>&);
void setActiveStyleSheetsForDocument(Document&, Vector<CSSStyleSheet*>& activeStyleSheets);
String unbindStyleSheet(InspectorStyleSheet*);
InspectorStyleSheet* bindStyleSheet(CSSStyleSheet*);
InspectorStyleSheet* assertStyleSheetForId(ErrorString&, const String&);
InspectorStyleSheet* createInspectorStyleSheetForDocument(Document&);
Inspector::Protocol::CSS::StyleSheetOrigin detectOrigin(CSSStyleSheet* pageStyleSheet, Document* ownerDocument);
RefPtr<Inspector::Protocol::CSS::CSSRule> buildObjectForRule(StyleRule*, StyleResolver&, Element&);
RefPtr<Inspector::Protocol::CSS::CSSRule> buildObjectForRule(CSSStyleRule*);
RefPtr<Inspector::Protocol::Array<Inspector::Protocol::CSS::RuleMatch>> buildArrayForMatchedRuleList(const Vector<RefPtr<StyleRule>>&, StyleResolver&, Element&, PseudoId);
RefPtr<Inspector::Protocol::CSS::CSSStyle> buildObjectForAttributesStyle(StyledElement&);
RefPtr<Inspector::Protocol::Array<Inspector::Protocol::CSS::Region>> buildArrayForRegions(ErrorString&, RefPtr<NodeList>&&, int documentNodeId);
RefPtr<Inspector::Protocol::CSS::NamedFlow> buildObjectForNamedFlow(ErrorString&, WebKitNamedFlow*, int documentNodeId);
// InspectorDOMAgent::DOMListener implementation
void didRemoveDOMNode(Node&, int nodeId) override;
void didModifyDOMAttr(Element&) override;
// InspectorCSSAgent::Listener implementation
void styleSheetChanged(InspectorStyleSheet*) override;
void resetPseudoStates();
std::unique_ptr<Inspector::CSSFrontendDispatcher> m_frontendDispatcher;
RefPtr<Inspector::CSSBackendDispatcher> m_backendDispatcher;
InspectorDOMAgent* m_domAgent { nullptr };
IdToInspectorStyleSheet m_idToInspectorStyleSheet;
CSSStyleSheetToInspectorStyleSheet m_cssStyleSheetToInspectorStyleSheet;
NodeToInspectorStyleSheet m_nodeToInspectorStyleSheet;
DocumentToViaInspectorStyleSheet m_documentToInspectorStyleSheet;
HashMap<Document*, HashSet<CSSStyleSheet*>> m_documentToKnownCSSStyleSheets;
NodeIdToForcedPseudoState m_nodeIdToForcedPseudoState;
HashSet<Document*> m_documentsWithForcedPseudoStates;
HashSet<int> m_namedFlowCollectionsRequested;
std::unique_ptr<ChangeRegionOversetTask> m_changeRegionOversetTask;
int m_lastStyleSheetId { 1 };
bool m_creatingViaInspectorStyleSheet { false };
};
} // namespace WebCore
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