/* | |
* Copyright (C) 2006, 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 EventListener_h | |
#define EventListener_h | |
#include "PlatformString.h" | |
#include <wtf/RefCounted.h> | |
namespace JSC { | |
class JSObject; | |
class MarkStack; | |
} | |
namespace WebCore { | |
class ScriptExecutionContext; | |
class Event; | |
class EventListener : public RefCounted<EventListener> { | |
public: | |
enum Type { JSEventListenerType, | |
ImageEventListenerType, | |
InspectorDOMAgentType, | |
InspectorDOMStorageResourceType, | |
ObjCEventListenerType, | |
ConditionEventListenerType }; | |
virtual ~EventListener() { } | |
virtual bool operator==(const EventListener&) = 0; | |
virtual void handleEvent(ScriptExecutionContext*, Event*) = 0; | |
// Return true to indicate that the error is handled. | |
virtual bool reportError(ScriptExecutionContext*, const String& /*message*/, const String& /*url*/, int /*lineNumber*/) { return false; } | |
virtual bool wasCreatedFromMarkup() const { return false; } | |
#if USE(JSC) | |
virtual void markJSFunction(JSC::MarkStack&) { } | |
virtual void invalidateJSFunction(JSC::JSObject*) { } | |
#endif | |
bool isAttribute() const { return virtualisAttribute(); } | |
Type type() const { return m_type; } | |
protected: | |
EventListener(Type type) | |
: m_type(type) | |
{ | |
} | |
private: | |
virtual bool virtualisAttribute() const { return false; } | |
Type m_type; | |
}; | |
} | |
#endif |