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/*
* Copyright (C) 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 "V8MessageEvent.h"
#include "MessageEvent.h"
#include "SerializedScriptValue.h"
#include "V8ArrayBuffer.h"
#include "V8Binding.h"
#include "V8Blob.h"
#include "V8DOMWindow.h"
#include "V8MessagePort.h"
namespace WebCore {
v8::Handle<v8::Value> V8MessageEvent::dataAccessorGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info)
{
INC_STATS("DOM.MessageEvent.data");
MessageEvent* event = V8MessageEvent::toNative(info.Holder());
v8::Handle<v8::Value> result;
switch (event->dataType()) {
case MessageEvent::DataTypeScriptValue: {
ScriptValue scriptValue = event->dataAsScriptValue();
if (scriptValue.hasNoValue())
result = v8::Null(info.GetIsolate());
else
result = v8::Local<v8::Value>::New(scriptValue.v8Value());
break;
}
case MessageEvent::DataTypeSerializedScriptValue:
if (SerializedScriptValue* serializedValue = event->dataAsSerializedScriptValue())
result = serializedValue->deserialize(event->ports(), info.GetIsolate());
else
result = v8::Null(info.GetIsolate());
break;
case MessageEvent::DataTypeString: {
String stringValue = event->dataAsString();
result = v8String(stringValue);
break;
}
case MessageEvent::DataTypeBlob:
result = toV8(event->dataAsBlob(), info.GetIsolate());
break;
case MessageEvent::DataTypeArrayBuffer:
result = toV8(event->dataAsArrayBuffer(), info.GetIsolate());
break;
}
// Overwrite the data attribute so it returns the cached result in future invocations.
// This custom handler (dataAccessGetter) will not be called again.
v8::PropertyAttribute dataAttr = static_cast<v8::PropertyAttribute>(v8::DontDelete | v8::ReadOnly);
info.Holder()->ForceSet(name, result, dataAttr);
return result;
}
v8::Handle<v8::Value> V8MessageEvent::portsAccessorGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info)
{
INC_STATS("DOM.MessageEvent.ports");
MessageEvent* event = V8MessageEvent::toNative(info.Holder());
MessagePortArray* ports = event->ports();
if (!ports)
return v8::Array::New(0);
MessagePortArray portsCopy(*ports);
v8::Local<v8::Array> portArray = v8::Array::New(portsCopy.size());
for (size_t i = 0; i < portsCopy.size(); ++i)
portArray->Set(v8Integer(i, info.GetIsolate()), toV8(portsCopy[i].get(), info.GetIsolate()));
return portArray;
}
v8::Handle<v8::Value> V8MessageEvent::initMessageEventCallback(const v8::Arguments& args)
{
INC_STATS("DOM.MessageEvent.initMessageEvent");
MessageEvent* event = V8MessageEvent::toNative(args.Holder());
String typeArg = toWebCoreString(args[0]);
bool canBubbleArg = args[1]->BooleanValue();
bool cancelableArg = args[2]->BooleanValue();
ScriptValue dataArg = ScriptValue(args[3]);
String originArg = toWebCoreString(args[4]);
String lastEventIdArg = toWebCoreString(args[5]);
DOMWindow* sourceArg = 0;
if (args[6]->IsObject()) {
v8::Handle<v8::Object> wrapper = v8::Handle<v8::Object>::Cast(args[6]);
v8::Handle<v8::Object> window = V8DOMWrapper::lookupDOMWrapper(V8DOMWindow::GetTemplate(), wrapper);
if (!window.IsEmpty())
sourceArg = V8DOMWindow::toNative(window);
}
OwnPtr<MessagePortArray> portArray;
if (!isUndefinedOrNull(args[7])) {
portArray = adoptPtr(new MessagePortArray);
if (!getMessagePortArray(args[7], *portArray, args.GetIsolate()))
return v8::Undefined();
}
event->initMessageEvent(typeArg, canBubbleArg, cancelableArg, dataArg, originArg, lastEventIdArg, sourceArg, portArray.release());
return v8::Undefined();
}
v8::Handle<v8::Value> V8MessageEvent::webkitInitMessageEventCallback(const v8::Arguments& args)
{
INC_STATS("DOM.MessageEvent.webkitInitMessageEvent");
return initMessageEventCallback(args);
}
} // namespace WebCore
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