/* * Copyright (C) 2006, 2007, 2008, 2009 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: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 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. * * Neither the name of Google Inc. nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT * OWNER OR 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 V8LazyEventListener_h #define V8LazyEventListener_h #include "PlatformString.h" #include "V8AbstractEventListener.h" #include <v8.h> #include <wtf/PassRefPtr.h> namespace WebCore { class Event; class Frame; // V8LazyEventListener is a wrapper for a JavaScript code string that is compiled and evaluated when an event is fired. // A V8LazyEventListener is always a HTML event handler. class V8LazyEventListener : public V8AbstractEventListener { public: static PassRefPtr<V8LazyEventListener> create(Frame* frame, const String& code, const String& functionName, bool isSVGEvent) { return adoptRef(new V8LazyEventListener(frame, code, functionName, isSVGEvent)); } // For lazy event listener, the listener object is the same as its listener // function without additional scope chains. virtual v8::Local<v8::Object> getListenerObject() { return getWrappedListenerFunction(); } private: V8LazyEventListener(Frame*, const String& code, const String& functionName, bool isSVGEvent); virtual ~V8LazyEventListener(); virtual bool virtualisAttribute() const { return true; } String m_code; String m_functionName; bool m_isSVGEvent; bool m_compiled; // If the event listener is on a non-document dom node, we compile the function with some implicit scope chains before it. bool m_wrappedFunctionCompiled; v8::Persistent<v8::Function> m_wrappedFunction; v8::Local<v8::Function> getWrappedListenerFunction(); virtual v8::Local<v8::Value> callListenerFunction(v8::Handle<v8::Value> jsEvent, Event*, bool isWindowEvent); v8::Local<v8::Function> getListenerFunction(); }; } // namespace WebCore #endif // V8LazyEventListener_h