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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 "InspectorStyleSheet.h"
#include "InspectorWebAgentBase.h"
#include "SecurityContext.h"
#include "Timer.h"
#include <JavaScriptCore/InspectorBackendDispatchers.h>
#include <wtf/HashMap.h>
#include <wtf/HashSet.h>
#include <wtf/JSONValues.h>
#include <wtf/OptionSet.h>
#include <wtf/RefPtr.h>
#include <wtf/WeakHashMap.h>
#include <wtf/WeakHashSet.h>
#include <wtf/text/WTFString.h>
namespace Inspector {
class CSSFrontendDispatcher;
}
namespace WebCore {
class CSSRule;
class CSSStyleRule;
class CSSStyleSheet;
class Document;
class Element;
class EventTarget;
class Node;
class NodeList;
class RenderObject;
class Settings;
class StyleRule;
class WeakPtrImplWithEventTargetData;
namespace Style {
class Resolver;
}
class InspectorCSSAgent final : public InspectorAgentBase , public Inspector::CSSBackendDispatcherHandler , public InspectorStyleSheet::Listener {
WTF_MAKE_NONCOPYABLE(InspectorCSSAgent);
WTF_MAKE_FAST_ALLOCATED;
public:
explicit InspectorCSSAgent(PageAgentContext&);
~InspectorCSSAgent();
class InlineStyleOverrideScope {
public:
InlineStyleOverrideScope(SecurityContext& context)
: m_contentSecurityPolicy(context.contentSecurityPolicy())
{
m_contentSecurityPolicy->setOverrideAllowInlineStyle(true);
}
~InlineStyleOverrideScope()
{
m_contentSecurityPolicy->setOverrideAllowInlineStyle(false);
}
private:
ContentSecurityPolicy* m_contentSecurityPolicy;
};
static std::optional<Inspector::Protocol::CSS::PseudoId> protocolValueForPseudoId(PseudoId);
// InspectorAgentBase
void didCreateFrontendAndBackend(Inspector::FrontendRouter*, Inspector::BackendDispatcher*);
void willDestroyFrontendAndBackend(Inspector::DisconnectReason);
// CSSBackendDispatcherHandler
Inspector::Protocol::ErrorStringOr<void> enable();
Inspector::Protocol::ErrorStringOr<void> disable();
Inspector::Protocol::ErrorStringOr<Ref<JSON::ArrayOf<Inspector::Protocol::CSS::CSSComputedStyleProperty>>> getComputedStyleForNode(Inspector::Protocol::DOM::NodeId);
Inspector::Protocol::ErrorStringOr<Ref<Inspector::Protocol::CSS::Font>> getFontDataForNode(Inspector::Protocol::DOM::NodeId);
Inspector::Protocol::ErrorStringOr<std::tuple<RefPtr<Inspector::Protocol::CSS::CSSStyle> /* inlineStyle */, RefPtr<Inspector::Protocol::CSS::CSSStyle> /* attributesStyle */>> getInlineStylesForNode(Inspector::Protocol::DOM::NodeId);
Inspector::Protocol::ErrorStringOr<std::tuple<RefPtr<JSON::ArrayOf<Inspector::Protocol::CSS::RuleMatch>>, RefPtr<JSON::ArrayOf<Inspector::Protocol::CSS::PseudoIdMatches>>, RefPtr<JSON::ArrayOf<Inspector::Protocol::CSS::InheritedStyleEntry>>>> getMatchedStylesForNode(Inspector::Protocol::DOM::NodeId, std::optional<bool>&& includePseudo, std::optional<bool>&& includeInherited);
Inspector::Protocol::ErrorStringOr<Ref<JSON::ArrayOf<Inspector::Protocol::CSS::CSSStyleSheetHeader>>> getAllStyleSheets();
Inspector::Protocol::ErrorStringOr<Ref<Inspector::Protocol::CSS::CSSStyleSheetBody>> getStyleSheet(const Inspector::Protocol::CSS::StyleSheetId&);
Inspector::Protocol::ErrorStringOr<String> getStyleSheetText(const Inspector::Protocol::CSS::StyleSheetId&);
Inspector::Protocol::ErrorStringOr<void> setStyleSheetText(const Inspector::Protocol::CSS::StyleSheetId&, const String& text);
Inspector::Protocol::ErrorStringOr<Ref<Inspector::Protocol::CSS::CSSStyle>> setStyleText(Ref<JSON::Object>&& styleId, const String& text);
Inspector::Protocol::ErrorStringOr<Ref<Inspector::Protocol::CSS::CSSRule>> setRuleSelector(Ref<JSON::Object>&& ruleId, const String& selector);
Inspector::Protocol::ErrorStringOr<Ref<Inspector::Protocol::CSS::Grouping>> setGroupingHeaderText(Ref<JSON::Object>&& ruleId, const String& headerText);
Inspector::Protocol::ErrorStringOr<Inspector::Protocol::CSS::StyleSheetId> createStyleSheet(const Inspector::Protocol::Network::FrameId&);
Inspector::Protocol::ErrorStringOr<Ref<Inspector::Protocol::CSS::CSSRule>> addRule(const Inspector::Protocol::CSS::StyleSheetId&, const String& selector);
Inspector::Protocol::ErrorStringOr<Ref<JSON::ArrayOf<Inspector::Protocol::CSS::CSSPropertyInfo>>> getSupportedCSSProperties();
Inspector::Protocol::ErrorStringOr<Ref<JSON::ArrayOf<String>>> getSupportedSystemFontFamilyNames();
Inspector::Protocol::ErrorStringOr<void> forcePseudoState(Inspector::Protocol::DOM::NodeId, Ref<JSON::Array>&& forcedPseudoClasses);
Inspector::Protocol::ErrorStringOr<void> setLayoutContextTypeChangedMode(Inspector::Protocol::CSS::LayoutContextTypeChangedMode);
// InspectorStyleSheet::Listener
void styleSheetChanged(InspectorStyleSheet*);
// InspectorInstrumentation
void documentDetached(Document&);
void mediaQueryResultChanged();
void activeStyleSheetsUpdated(Document&);
bool forcePseudoState(const Element&, CSSSelector::PseudoClassType);
void didChangeRendererForDOMNode(Node&);
void didAddEventListener(EventTarget&);
void willRemoveEventListener(EventTarget&);
// InspectorDOMAgent hooks
void didRemoveDOMNode(Node&, Inspector::Protocol::DOM::NodeId);
void didModifyDOMAttr(Element&);
enum class LayoutFlag : uint8_t {
Rendered = 1 << 0,
Flex = 1 << 1,
Grid = 1 << 2,
Event = 1 << 3,
Scrollable = 1 << 4,
};
OptionSet<LayoutFlag> layoutFlagsForNode(Node&);
RefPtr<JSON::ArrayOf<String /* Inspector::Protocol::CSS::LayoutFlag */>> protocolLayoutFlagsForNode(Node&);
void reset();
private:
class StyleSheetAction;
class SetStyleSheetTextAction;
class SetStyleTextAction;
class SetRuleHeaderTextAction;
class AddRuleAction;
typedef HashMap<Inspector::Protocol::CSS::StyleSheetId, RefPtr<InspectorStyleSheet>> IdToInspectorStyleSheet;
typedef HashMap<CSSStyleSheet*, RefPtr<InspectorStyleSheet>> CSSStyleSheetToInspectorStyleSheet;
typedef HashMap<RefPtr<Document>, Vector<RefPtr<InspectorStyleSheet>>> DocumentToViaInspectorStyleSheet; // "via inspector" stylesheets
typedef HashSet<CSSSelector::PseudoClassType, IntHash<CSSSelector::PseudoClassType>, WTF::StrongEnumHashTraits<CSSSelector::PseudoClassType>> PseudoClassHashSet;
InspectorStyleSheetForInlineStyle& asInspectorStyleSheet(StyledElement&);
Element* elementForId(Inspector::Protocol::ErrorString&, Inspector::Protocol::DOM::NodeId);
Node* nodeForId(Inspector::Protocol::ErrorString&, Inspector::Protocol::DOM::NodeId);
void collectAllStyleSheets(Vector<InspectorStyleSheet*>&);
void collectAllDocumentStyleSheets(Document&, Vector<CSSStyleSheet*>&);
void collectStyleSheets(CSSStyleSheet*, Vector<CSSStyleSheet*>&);
void setActiveStyleSheetsForDocument(Document&, Vector<CSSStyleSheet*>& activeStyleSheets);
Inspector::Protocol::CSS::StyleSheetId unbindStyleSheet(InspectorStyleSheet*);
InspectorStyleSheet* bindStyleSheet(CSSStyleSheet*);
InspectorStyleSheet* assertStyleSheetForId(Inspector::Protocol::ErrorString&, const Inspector::Protocol::CSS::StyleSheetId&);
InspectorStyleSheet* createInspectorStyleSheetForDocument(Document&);
Inspector::Protocol::CSS::StyleSheetOrigin detectOrigin(CSSStyleSheet* pageStyleSheet, Document* ownerDocument);
RefPtr<Inspector::Protocol::CSS::CSSRule> buildObjectForRule(const StyleRule*, Style::Resolver&, Element&);
RefPtr<Inspector::Protocol::CSS::CSSRule> buildObjectForRule(CSSStyleRule*);
Ref<JSON::ArrayOf<Inspector::Protocol::CSS::RuleMatch>> buildArrayForMatchedRuleList(const Vector<RefPtr<const StyleRule>>&, Style::Resolver&, Element&, PseudoId);
RefPtr<Inspector::Protocol::CSS::CSSStyle> buildObjectForAttributesStyle(StyledElement&);
void nodeHasLayoutFlagsChange(Node&);
void nodesWithPendingLayoutFlagsChangeDispatchTimerFired();
void resetPseudoStates();
std::unique_ptr<Inspector::CSSFrontendDispatcher> m_frontendDispatcher;
RefPtr<Inspector::CSSBackendDispatcher> m_backendDispatcher;
Page& m_inspectedPage;
IdToInspectorStyleSheet m_idToInspectorStyleSheet;
CSSStyleSheetToInspectorStyleSheet m_cssStyleSheetToInspectorStyleSheet;
HashMap<Node*, Ref<InspectorStyleSheetForInlineStyle>> m_nodeToInspectorStyleSheet; // bogus "stylesheets" with elements' inline styles
DocumentToViaInspectorStyleSheet m_documentToInspectorStyleSheet;
HashMap<Document*, HashSet<CSSStyleSheet*>> m_documentToKnownCSSStyleSheets;
HashMap<Inspector::Protocol::DOM::NodeId, PseudoClassHashSet> m_nodeIdToForcedPseudoState;
HashSet<Document*> m_documentsWithForcedPseudoStates;
int m_lastStyleSheetId { 1 };
bool m_creatingViaInspectorStyleSheet { false };
WeakHashMap<Node, OptionSet<LayoutFlag>, WeakPtrImplWithEventTargetData> m_lastLayoutFlagsForNode;
WeakHashSet<Node, WeakPtrImplWithEventTargetData> m_nodesWithPendingLayoutFlagsChange;
Timer m_nodesWithPendingLayoutFlagsChangeDispatchTimer;
Inspector::Protocol::CSS::LayoutContextTypeChangedMode m_layoutContextTypeChangedMode { Inspector::Protocol::CSS::LayoutContextTypeChangedMode::Observed };
};
} // namespace WebCore
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