C++程序  |  92行  |  2.52 KB

/*
 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
 *           (C) 1999 Antti Koivisto (koivisto@kde.org)
 * Copyright (C) 2004, 2006, 2007, 2008, 2009 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 HTMLPlugInElement_h
#define HTMLPlugInElement_h

#include "HTMLFrameOwnerElement.h"
#include "ScriptInstance.h"

#if ENABLE(NETSCAPE_PLUGIN_API)
struct NPObject;
#endif

namespace WebCore {

class RenderWidget;

class HTMLPlugInElement : public HTMLFrameOwnerElement {
public:
    virtual ~HTMLPlugInElement();

    String height() const;
    void setHeight(const String&);
    
    String width() const;
    void setWidth(const String&);

    PassScriptInstance getInstance() const;

#if ENABLE(NETSCAPE_PLUGIN_API)
    NPObject* getNPObject();
#endif

protected:
    HTMLPlugInElement(const QualifiedName& tagName, Document*);

    virtual void detach();

    static void updateWidgetCallback(Node*);

    virtual bool mapToEntry(const QualifiedName& attrName, MappedAttributeEntry& result) const;
    virtual void parseMappedAttribute(MappedAttribute*);

#if PLATFORM(ANDROID)
    // in Android, plugin has a focused mode where it accepts all the touch events.
    // so need to claim that plugin element supports focus instead of using the default.
    virtual bool supportsFocus() const;
#endif

private:
    virtual void defaultEventHandler(Event*);

    virtual RenderWidget* renderWidgetForJSBindings() const = 0;

    virtual HTMLTagStatus endTagRequirement() const { return TagStatusRequired; }
    virtual bool checkDTD(const Node* newChild);

    virtual void updateWidget() { }

protected:
    AtomicString m_name;

private:
    mutable ScriptInstance m_instance;
#if ENABLE(NETSCAPE_PLUGIN_API)
    NPObject* m_NPObject;
#endif
};

} // namespace WebCore

#endif // HTMLPlugInElement_h