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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 InspectorStyleSheet_h
#define InspectorStyleSheet_h
#include "CSSPropertySourceData.h"
#include "CSSStyleDeclaration.h"
#include "ExceptionCode.h"
#include <inspector/InspectorProtocolObjects.h>
#include <inspector/InspectorValues.h>
#include <wtf/HashMap.h>
#include <wtf/HashSet.h>
#include <wtf/RefPtr.h>
#include <wtf/Vector.h>
#include <wtf/text/WTFString.h>
class ParsedStyleSheet;
namespace WebCore {
class CSSRuleList;
class CSSSelector;
class CSSStyleDeclaration;
class CSSStyleRule;
class CSSStyleSheet;
class Document;
class Element;
class InspectorPageAgent;
class InspectorStyleSheet;
typedef String ErrorString;
class InspectorCSSId {
public:
InspectorCSSId() { }
explicit InspectorCSSId(const Inspector::InspectorObject& value)
{
if (!value.getString(ASCIILiteral("styleSheetId"), m_styleSheetId))
return;
if (!value.getInteger(ASCIILiteral("ordinal"), m_ordinal))
m_styleSheetId = String();
}
InspectorCSSId(const String& styleSheetId, unsigned ordinal)
: m_styleSheetId(styleSheetId)
, m_ordinal(ordinal)
{
}
bool isEmpty() const { return m_styleSheetId.isEmpty(); }
const String& styleSheetId() const { return m_styleSheetId; }
unsigned ordinal() const { return m_ordinal; }
// ID type is either Inspector::Protocol::CSS::CSSStyleId or Inspector::Protocol::CSS::CSSRuleId.
template<typename ID>
RefPtr<ID> asProtocolValue() const
{
if (isEmpty())
return nullptr;
return ID::create()
.setStyleSheetId(m_styleSheetId)
.setOrdinal(m_ordinal)
.release();
}
private:
String m_styleSheetId;
unsigned m_ordinal = {0};
};
struct InspectorStyleProperty {
InspectorStyleProperty()
: hasSource(false)
, disabled(false)
{
}
InspectorStyleProperty(CSSPropertySourceData sourceData, bool hasSource, bool disabled)
: sourceData(sourceData)
, hasSource(hasSource)
, disabled(disabled)
{
}
void setRawTextFromStyleDeclaration(const String& styleDeclaration)
{
unsigned start = sourceData.range.start;
unsigned end = sourceData.range.end;
ASSERT_WITH_SECURITY_IMPLICATION(start < end);
ASSERT(end <= styleDeclaration.length());
rawText = styleDeclaration.substring(start, end - start);
}
bool hasRawText() const { return !rawText.isEmpty(); }
CSSPropertySourceData sourceData;
bool hasSource;
bool disabled;
String rawText;
};
class InspectorStyle final : public RefCounted<InspectorStyle> {
public:
static Ref<InspectorStyle> create(const InspectorCSSId& styleId, RefPtr<CSSStyleDeclaration>&&, InspectorStyleSheet* parentStyleSheet);
~InspectorStyle();
CSSStyleDeclaration* cssStyle() const { return m_style.get(); }
RefPtr<Inspector::Protocol::CSS::CSSStyle> buildObjectForStyle() const;
Ref<Inspector::Protocol::Array<Inspector::Protocol::CSS::CSSComputedStyleProperty>> buildArrayForComputedStyle() const;
bool getText(String* result) const;
bool setText(const String&, ExceptionCode&);
private:
InspectorStyle(const InspectorCSSId& styleId, RefPtr<CSSStyleDeclaration>&&, InspectorStyleSheet* parentStyleSheet);
bool populateAllProperties(Vector<InspectorStyleProperty>* result) const;
Ref<Inspector::Protocol::CSS::CSSStyle> styleWithProperties() const;
RefPtr<CSSRuleSourceData> extractSourceData() const;
String shorthandValue(const String& shorthandProperty) const;
String shorthandPriority(const String& shorthandProperty) const;
Vector<String> longhandProperties(const String& shorthandProperty) const;
InspectorCSSId m_styleId;
RefPtr<CSSStyleDeclaration> m_style;
InspectorStyleSheet* m_parentStyleSheet;
};
class InspectorStyleSheet : public RefCounted<InspectorStyleSheet> {
public:
class Listener {
public:
Listener() { }
virtual ~Listener() { }
virtual void styleSheetChanged(InspectorStyleSheet*) = 0;
};
typedef HashMap<CSSStyleDeclaration*, RefPtr<InspectorStyle>> InspectorStyleMap;
static Ref<InspectorStyleSheet> create(InspectorPageAgent*, const String& id, RefPtr<CSSStyleSheet>&& pageStyleSheet, Inspector::Protocol::CSS::StyleSheetOrigin, const String& documentURL, Listener*);
static String styleSheetURL(CSSStyleSheet* pageStyleSheet);
virtual ~InspectorStyleSheet();
String id() const { return m_id; }
String finalURL() const;
CSSStyleSheet* pageStyleSheet() const { return m_pageStyleSheet.get(); }
void reparseStyleSheet(const String&);
bool setText(const String&, ExceptionCode&);
String ruleSelector(const InspectorCSSId&, ExceptionCode&);
bool setRuleSelector(const InspectorCSSId&, const String& selector, ExceptionCode&);
CSSStyleRule* addRule(const String& selector, ExceptionCode&);
bool deleteRule(const InspectorCSSId&, ExceptionCode&);
CSSStyleRule* ruleForId(const InspectorCSSId&) const;
RefPtr<Inspector::Protocol::CSS::CSSStyleSheetBody> buildObjectForStyleSheet();
RefPtr<Inspector::Protocol::CSS::CSSStyleSheetHeader> buildObjectForStyleSheetInfo();
RefPtr<Inspector::Protocol::CSS::CSSRule> buildObjectForRule(CSSStyleRule*, Element*);
RefPtr<Inspector::Protocol::CSS::CSSStyle> buildObjectForStyle(CSSStyleDeclaration*);
bool setStyleText(const InspectorCSSId&, const String& text, String* oldText, ExceptionCode&);
virtual bool getText(String* result) const;
virtual CSSStyleDeclaration* styleForId(const InspectorCSSId&) const;
void fireStyleSheetChanged();
InspectorCSSId ruleId(CSSStyleRule*) const;
InspectorCSSId styleId(CSSStyleDeclaration* style) const { return ruleOrStyleId(style); }
protected:
InspectorStyleSheet(InspectorPageAgent*, const String& id, RefPtr<CSSStyleSheet>&& pageStyleSheet, Inspector::Protocol::CSS::StyleSheetOrigin, const String& documentURL, Listener*);
bool canBind() const { return m_origin != Inspector::Protocol::CSS::StyleSheetOrigin::UserAgent && m_origin != Inspector::Protocol::CSS::StyleSheetOrigin::User; }
InspectorCSSId ruleOrStyleId(CSSStyleDeclaration*) const;
virtual Document* ownerDocument() const;
virtual RefPtr<CSSRuleSourceData> ruleSourceDataFor(CSSStyleDeclaration*) const;
virtual unsigned ruleIndexByStyle(CSSStyleDeclaration*) const;
virtual bool ensureParsedDataReady();
virtual RefPtr<InspectorStyle> inspectorStyleForId(const InspectorCSSId&);
// Also accessed by friend class InspectorStyle.
virtual bool setStyleText(CSSStyleDeclaration*, const String&, ExceptionCode&);
virtual std::unique_ptr<Vector<size_t>> lineEndings() const;
private:
typedef Vector<RefPtr<CSSStyleRule>> CSSStyleRuleVector;
friend class InspectorStyle;
static void collectFlatRules(RefPtr<CSSRuleList>&&, CSSStyleRuleVector* result);
bool checkPageStyleSheet(ExceptionCode&) const;
bool styleSheetMutated() const;
bool ensureText() const;
bool ensureSourceData();
void ensureFlatRules() const;
bool styleSheetTextWithChangedStyle(CSSStyleDeclaration*, const String& newStyleText, String* result);
bool originalStyleSheetText(String* result) const;
bool resourceStyleSheetText(String* result) const;
bool inlineStyleSheetText(String* result) const;
Ref<Inspector::Protocol::Array<Inspector::Protocol::CSS::CSSRule>> buildArrayForRuleList(CSSRuleList*);
Ref<Inspector::Protocol::CSS::CSSSelector> buildObjectForSelector(const CSSSelector*, Element*);
Ref<Inspector::Protocol::CSS::SelectorList> buildObjectForSelectorList(CSSStyleRule*, Element*);
InspectorPageAgent* m_pageAgent;
String m_id;
RefPtr<CSSStyleSheet> m_pageStyleSheet;
Inspector::Protocol::CSS::StyleSheetOrigin m_origin;
String m_documentURL;
ParsedStyleSheet* m_parsedStyleSheet;
mutable CSSStyleRuleVector m_flatRules;
Listener* m_listener;
};
class InspectorStyleSheetForInlineStyle final : public InspectorStyleSheet {
public:
static Ref<InspectorStyleSheetForInlineStyle> create(InspectorPageAgent*, const String& id, RefPtr<Element>&&, Inspector::Protocol::CSS::StyleSheetOrigin, Listener*);
void didModifyElementAttribute();
virtual bool getText(String* result) const override;
virtual CSSStyleDeclaration* styleForId(const InspectorCSSId& id) const override { ASSERT_UNUSED(id, !id.ordinal()); return inlineStyle(); }
protected:
InspectorStyleSheetForInlineStyle(InspectorPageAgent*, const String& id, RefPtr<Element>&&, Inspector::Protocol::CSS::StyleSheetOrigin, Listener*);
virtual Document* ownerDocument() const override;
virtual RefPtr<CSSRuleSourceData> ruleSourceDataFor(CSSStyleDeclaration* style) const override { ASSERT_UNUSED(style, style == inlineStyle()); return m_ruleSourceData; }
virtual unsigned ruleIndexByStyle(CSSStyleDeclaration*) const override { return 0; }
virtual bool ensureParsedDataReady() override;
virtual RefPtr<InspectorStyle> inspectorStyleForId(const InspectorCSSId&) override;
// Also accessed by friend class InspectorStyle.
virtual bool setStyleText(CSSStyleDeclaration*, const String&, ExceptionCode&) override;
virtual std::unique_ptr<Vector<size_t>> lineEndings() const override;
private:
CSSStyleDeclaration* inlineStyle() const;
const String& elementStyleText() const;
bool getStyleAttributeRanges(CSSRuleSourceData* result) const;
RefPtr<Element> m_element;
RefPtr<CSSRuleSourceData> m_ruleSourceData;
RefPtr<InspectorStyle> m_inspectorStyle;
// Contains "style" attribute value.
mutable String m_styleText;
mutable bool m_isStyleTextValid;
};
} // namespace WebCore
#endif // !defined(InspectorStyleSheet_h)
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