diff -r 000000000000 -r 4f2f89ce4247 WebCore/dom/ScriptElement.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/WebCore/dom/ScriptElement.h Fri Sep 17 09:02:29 2010 +0300 @@ -0,0 +1,111 @@ +/* + * Copyright (C) 2008 Nikolas Zimmermann + * + * 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 ScriptElement_h +#define ScriptElement_h + +#include "CachedResourceClient.h" +#include "CachedResourceHandle.h" + +namespace WebCore { + +class CachedScript; +class Element; +class ScriptElementData; +class ScriptSourceCode; + +class ScriptElement { +public: + ScriptElement() { } + virtual ~ScriptElement() { } + + virtual String scriptContent() const = 0; + + virtual String sourceAttributeValue() const = 0; + virtual String charsetAttributeValue() const = 0; + virtual String typeAttributeValue() const = 0; + virtual String languageAttributeValue() const = 0; + virtual String forAttributeValue() const = 0; + virtual String eventAttributeValue() const = 0; + virtual bool asyncAttributeValue() const = 0; + virtual bool deferAttributeValue() const = 0; + + virtual void dispatchLoadEvent() = 0; + virtual void dispatchErrorEvent() = 0; + + // A charset for loading the script (may be overridden by HTTP headers or a BOM). + virtual String scriptCharset() const = 0; + + virtual bool shouldExecuteAsJavaScript() const = 0; + +protected: + // Helper functions used by our parent classes. + static void insertedIntoDocument(ScriptElementData&, const String& sourceUrl); + static void removedFromDocument(ScriptElementData&); + static void childrenChanged(ScriptElementData&); + static void finishParsingChildren(ScriptElementData&, const String& sourceUrl); + static void handleSourceAttribute(ScriptElementData&, const String& sourceUrl); +}; + +// HTML/SVGScriptElement hold this struct as member variable +// and pass it to the static helper functions in ScriptElement +class ScriptElementData : private CachedResourceClient { +public: + ScriptElementData(ScriptElement*, Element*); + virtual ~ScriptElementData(); + + bool ignoresLoadRequest() const; + bool shouldExecuteAsJavaScript() const; + + String scriptContent() const; + String scriptCharset() const; + bool isAsynchronous() const; + bool isDeferred() const; + + Element* element() const { return m_element; } + bool createdByParser() const { return m_createdByParser; } + void setCreatedByParser(bool value) { m_createdByParser = value; } + bool haveFiredLoadEvent() const { return m_firedLoad; } + void setHaveFiredLoadEvent(bool firedLoad) { m_firedLoad = firedLoad; } + + void requestScript(const String& sourceUrl); + void evaluateScript(const ScriptSourceCode&); + void stopLoadRequest(); + + void execute(CachedScript*); + +private: + virtual void notifyFinished(CachedResource*); + +private: + ScriptElement* m_scriptElement; + Element* m_element; + CachedResourceHandle m_cachedScript; + bool m_createdByParser; // HTML5: "parser-inserted" + bool m_requested; + bool m_evaluated; // HTML5: "already started" + bool m_firedLoad; +}; + +ScriptElement* toScriptElement(Element*); + +} + +#endif