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/*
* 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.
*/
#include "config.h"
#include "V8EventListener.h"
#include "V8Proxy.h"
namespace WebCore {
V8EventListener::V8EventListener(v8::Local<v8::Object> listener, bool isAttribute, const WorldContextHandle& worldContext)
: V8AbstractEventListener(isAttribute, worldContext)
{
setListenerObject(listener);
}
v8::Local<v8::Function> V8EventListener::getListenerFunction(ScriptExecutionContext* context)
{
v8::Local<v8::Object> listener = getListenerObject(context);
// Has the listener been disposed?
if (listener.IsEmpty())
return v8::Local<v8::Function>();
if (listener->IsFunction())
return v8::Local<v8::Function>::Cast(listener);
if (listener->IsObject()) {
v8::Local<v8::Value> property = listener->Get(v8::String::NewSymbol("handleEvent"));
if (property->IsFunction())
return v8::Local<v8::Function>::Cast(property);
}
return v8::Local<v8::Function>();
}
v8::Local<v8::Value> V8EventListener::callListenerFunction(ScriptExecutionContext* context, v8::Handle<v8::Value> jsEvent, Event* event)
{
v8::Local<v8::Function> handlerFunction = getListenerFunction(context);
v8::Local<v8::Object> receiver = getReceiverObject(event);
if (handlerFunction.IsEmpty() || receiver.IsEmpty())
return v8::Local<v8::Value>();
v8::Handle<v8::Value> parameters[1] = { jsEvent };
if (V8Proxy* proxy = V8Proxy::retrieve(context))
return proxy->callFunction(handlerFunction, receiver, 1, parameters);
return v8::Local<v8::Value>();
}
} // namespace WebCore
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