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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 "InspectorValues.h"
#include "PlatformString.h"
#include <wtf/HashMap.h>
#include <wtf/HashSet.h>
#include <wtf/PassRefPtr.h>
#include <wtf/RefPtr.h>
#include <wtf/Vector.h>
class ParsedStyleSheet;
namespace WebCore {
class CSSRuleList;
class CSSStyleDeclaration;
class CSSStyleSheet;
class Document;
class Element;
class InspectorStyleSheet;
class Node;
#if ENABLE(INSPECTOR)
class InspectorCSSId {
public:
InspectorCSSId() { }
explicit InspectorCSSId(RefPtr<InspectorObject> value)
{
if (!value->getString("styleSheetId", &m_styleSheetId))
return;
RefPtr<InspectorValue> ordinalValue = value->get("ordinal");
if (!ordinalValue || !ordinalValue->asNumber(&m_ordinal))
m_styleSheetId = "";
}
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; }
PassRefPtr<InspectorValue> asInspectorValue() const
{
if (isEmpty())
return InspectorValue::null();
RefPtr<InspectorObject> result = InspectorObject::create();
result->setString("styleSheetId", m_styleSheetId);
result->setNumber("ordinal", m_ordinal);
return result.release();
}
private:
String m_styleSheetId;
unsigned m_ordinal;
};
struct InspectorStyleProperty {
InspectorStyleProperty()
{
}
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(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 : public RefCounted<InspectorStyle> {
public:
static PassRefPtr<InspectorStyle> create(const InspectorCSSId& styleId, PassRefPtr<CSSStyleDeclaration> style, InspectorStyleSheet* parentStyleSheet);
virtual ~InspectorStyle();
CSSStyleDeclaration* cssStyle() const { return m_style.get(); }
PassRefPtr<InspectorObject> buildObjectForStyle() const;
bool hasDisabledProperties() const { return !m_disabledProperties.isEmpty(); }
bool setPropertyText(unsigned index, const String& text, bool overwrite);
bool toggleProperty(unsigned index, bool disable);
private:
InspectorStyle(const InspectorCSSId& styleId, PassRefPtr<CSSStyleDeclaration> style, InspectorStyleSheet* parentStyleSheet);
static unsigned disabledIndexByOrdinal(unsigned ordinal, bool canUseSubsequent, Vector<InspectorStyleProperty>& allProperties);
bool styleText(String* result) const;
bool disableProperty(unsigned indexToDisable, Vector<InspectorStyleProperty>& allProperties);
bool enableProperty(unsigned indexToEnable, Vector<InspectorStyleProperty>& allProperties);
bool populateAllProperties(Vector<InspectorStyleProperty>* result) const;
void populateObjectWithStyleProperties(InspectorObject* result) const;
void shiftDisabledProperties(unsigned fromIndex, long offset);
bool replacePropertyInStyleText(const InspectorStyleProperty& property, const String& newText);
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;
Vector<InspectorStyleProperty> m_disabledProperties;
};
class InspectorStyleSheet : public RefCounted<InspectorStyleSheet> {
public:
typedef HashMap<CSSStyleDeclaration*, RefPtr<InspectorStyle> > InspectorStyleMap;
static PassRefPtr<InspectorStyleSheet> create(const String& id, PassRefPtr<CSSStyleSheet> pageStyleSheet, const String& origin, const String& documentURL);
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&);
bool setRuleSelector(const InspectorCSSId&, const String& selector);
CSSStyleRule* addRule(const String& selector);
CSSStyleRule* ruleForId(const InspectorCSSId&) const;
PassRefPtr<InspectorObject> buildObjectForStyleSheet();
PassRefPtr<InspectorObject> buildObjectForRule(CSSStyleRule*);
PassRefPtr<InspectorObject> buildObjectForStyle(CSSStyleDeclaration*);
bool setPropertyText(const InspectorCSSId&, unsigned propertyIndex, const String& text, bool overwrite);
bool toggleProperty(const InspectorCSSId&, unsigned propertyIndex, bool disable);
virtual bool text(String* result) const;
virtual CSSStyleDeclaration* styleForId(const InspectorCSSId&) const;
protected:
InspectorStyleSheet(const String& id, PassRefPtr<CSSStyleSheet> pageStyleSheet, const String& origin, const String& documentURL);
bool canBind() const { return m_origin != "userAgent" && m_origin != "user"; }
InspectorCSSId ruleOrStyleId(CSSStyleDeclaration* style) const;
virtual Document* ownerDocument() const;
virtual RefPtr<CSSRuleSourceData> ruleSourceDataFor(CSSStyleDeclaration* style) const;
virtual unsigned ruleIndexByStyle(CSSStyleDeclaration*) const;
virtual bool ensureParsedDataReady();
virtual PassRefPtr<InspectorStyle> inspectorStyleForId(const InspectorCSSId&);
virtual void rememberInspectorStyle(RefPtr<InspectorStyle> inspectorStyle);
virtual void forgetInspectorStyle(CSSStyleDeclaration* style);
// Also accessed by friend class InspectorStyle.
virtual bool setStyleText(CSSStyleDeclaration*, const String&);
private:
static void fixUnparsedPropertyRanges(CSSRuleSourceData* ruleData, const String& styleSheetText);
static void collectFlatRules(PassRefPtr<CSSRuleList>, Vector<CSSStyleRule*>* result);
bool ensureText() const;
bool ensureSourceData();
void ensureFlatRules() const;
bool styleSheetTextWithChangedStyle(CSSStyleDeclaration*, const String& newStyleText, String* result);
InspectorCSSId ruleId(CSSStyleRule* rule) const;
InspectorCSSId styleId(CSSStyleDeclaration* style) const { return ruleOrStyleId(style); }
void revalidateStyle(CSSStyleDeclaration*);
bool originalStyleSheetText(String* result) const;
bool resourceStyleSheetText(String* result) const;
bool inlineStyleSheetText(String* result) const;
PassRefPtr<InspectorArray> buildArrayForRuleList(CSSRuleList*);
String m_id;
RefPtr<CSSStyleSheet> m_pageStyleSheet;
String m_origin;
String m_documentURL;
bool m_isRevalidating;
ParsedStyleSheet* m_parsedStyleSheet;
InspectorStyleMap m_inspectorStyles;
mutable Vector<CSSStyleRule*> m_flatRules;
friend class InspectorStyle;
};
class InspectorStyleSheetForInlineStyle : public InspectorStyleSheet {
public:
static PassRefPtr<InspectorStyleSheetForInlineStyle> create(const String& id, PassRefPtr<Element> element, const String& origin);
void didModifyElementAttribute();
virtual bool text(String* result) const;
virtual CSSStyleDeclaration* styleForId(const InspectorCSSId& id) const { ASSERT_UNUSED(id, !id.ordinal()); return inlineStyle(); }
protected:
InspectorStyleSheetForInlineStyle(const String& id, PassRefPtr<Element> element, const String& origin);
virtual Document* ownerDocument() const;
virtual RefPtr<CSSRuleSourceData> ruleSourceDataFor(CSSStyleDeclaration* style) const { ASSERT_UNUSED(style, style == inlineStyle()); return m_ruleSourceData; }
virtual unsigned ruleIndexByStyle(CSSStyleDeclaration*) const { return 0; }
virtual bool ensureParsedDataReady();
virtual PassRefPtr<InspectorStyle> inspectorStyleForId(const InspectorCSSId&);
virtual void rememberInspectorStyle(RefPtr<InspectorStyle>) { }
virtual void forgetInspectorStyle(CSSStyleDeclaration*) { }
// Also accessed by friend class InspectorStyle.
virtual bool setStyleText(CSSStyleDeclaration*, const String&);
private:
CSSStyleDeclaration* inlineStyle() const;
bool getStyleAttributeRanges(RefPtr<CSSStyleSourceData>* result);
RefPtr<Element> m_element;
RefPtr<CSSRuleSourceData> m_ruleSourceData;
RefPtr<InspectorStyle> m_inspectorStyle;
// Contains "style" attribute value and should always be up-to-date.
String m_styleText;
};
#endif
} // namespace WebCore
#endif // !defined(InspectorStyleSheet_h)
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