Imported WebKit commit 2ea9d364d0f6efa8fa64acf19f451504c59be0e4 (http://svn.webkit.org/repository/webkit/trunk@104285)

1 files changed, 111 insertions, 0 deletions

diff --git a/Source/WebCore/css/CSSStyleDeclaration.h b/Source/WebCore/css/CSSStyleDeclaration.h
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+++ b/Source/WebCore/css/CSSStyleDeclaration.h
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+/*
+ * (C) 1999-2003 Lars Knoll (knoll@kde.org)
+ * Copyright (C) 2004, 2005, 2006, 2008 Apple Inc. All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef CSSStyleDeclaration_h
+#define CSSStyleDeclaration_h
+
+#include "CSSRule.h"
+#include <wtf/Forward.h>
+
+namespace WebCore {
+
+class CSSMutableStyleDeclaration;
+class CSSProperty;
+class CSSStyleSheet;
+class CSSValue;
+
+typedef int ExceptionCode;
+
+class CSSStyleDeclaration : public RefCounted<CSSStyleDeclaration> {
+    WTF_MAKE_NONCOPYABLE(CSSStyleDeclaration);
+public:
+    virtual ~CSSStyleDeclaration() { }
+
+    static bool isPropertyName(const String&);
+
+    CSSRule* parentRule() const { return m_parentRule; }
+    void clearParentRule() { m_parentRule = 0; }
+
+    CSSStyleSheet* parentStyleSheet() const;
+
+    virtual String cssText() const = 0;
+    virtual void setCssText(const String&, ExceptionCode&) = 0;
+
+    unsigned length() const { return virtualLength(); }
+    virtual unsigned virtualLength() const = 0;
+    bool isEmpty() const { return !length(); }
+    virtual String item(unsigned index) const = 0;
+
+    PassRefPtr<CSSValue> getPropertyCSSValue(const String& propertyName);
+    String getPropertyValue(const String& propertyName);
+    String getPropertyPriority(const String& propertyName);
+    String getPropertyShorthand(const String& propertyName);
+    bool isPropertyImplicit(const String& propertyName);
+
+    virtual PassRefPtr<CSSValue> getPropertyCSSValue(int propertyID) const = 0;
+    virtual String getPropertyValue(int propertyID) const = 0;
+    virtual bool getPropertyPriority(int propertyID) const = 0;
+    virtual int getPropertyShorthand(int propertyID) const = 0;
+    virtual bool isPropertyImplicit(int propertyID) const = 0;
+
+    void setProperty(const String& propertyName, const String& value, const String& priority, ExceptionCode&);
+    String removeProperty(const String& propertyName, ExceptionCode&);
+    virtual void setProperty(int propertyId, const String& value, bool important, ExceptionCode&) = 0;
+    virtual String removeProperty(int propertyID, ExceptionCode&) = 0;
+
+    virtual PassRefPtr<CSSMutableStyleDeclaration> copy() const = 0;
+    virtual PassRefPtr<CSSMutableStyleDeclaration> makeMutable() = 0;
+
+    void diff(CSSMutableStyleDeclaration*) const;
+
+    PassRefPtr<CSSMutableStyleDeclaration> copyPropertiesInSet(const int* set, unsigned length) const;
+
+#ifndef NDEBUG
+    void showStyle();
+#endif
+
+    bool isElementStyleDeclaration() const { return m_isElementStyleDeclaration; }
+    bool isInlineStyleDeclaration() const { return m_isInlineStyleDeclaration; }
+
+protected:
+    CSSStyleDeclaration(CSSRule* parentRule = 0);
+
+    virtual bool cssPropertyMatches(const CSSProperty*) const;
+
+    // The bits in this section are only used by specific subclasses but kept here
+    // to maximize struct packing.
+
+    // CSSMutableStyleDeclaration bits:
+    bool m_strictParsing : 1;
+#ifndef NDEBUG
+    unsigned m_iteratorCount : 4;
+#endif
+
+    // CSSElementStyleDeclaration bits:
+    bool m_isElementStyleDeclaration : 1;
+    bool m_isInlineStyleDeclaration : 1;
+
+private:
+    CSSRule* m_parentRule;
+};
+
+} // namespace WebCore
+
+#endif // CSSStyleDeclaration_h