V8MessagePortCustom.cpp   [plain text]


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#include "config.h"

#include <wtf/ArrayBuffer.h>
#include "ExceptionCode.h"
#include "MessagePort.h"
#include "SerializedScriptValue.h"
#include "V8Binding.h"
#include "V8MessagePort.h"
#include "V8Proxy.h"
#include "V8Utilities.h"
#include "WorkerContextExecutionProxy.h"

namespace WebCore {

static v8::Handle<v8::Value> handlePostMessageCallback(const v8::Arguments& args, bool extendedTransfer)
{
    MessagePort* messagePort = V8MessagePort::toNative(args.Holder());
    MessagePortArray portArray;
    ArrayBufferArray arrayBufferArray;
    if (args.Length() > 1) {
        if (!extractTransferables(args[1], portArray, arrayBufferArray))
            return v8::Undefined();
    }
    bool didThrow = false;
    RefPtr<SerializedScriptValue> message =
        SerializedScriptValue::create(args[0],
                                      &portArray,
                                      extendedTransfer ? &arrayBufferArray : 0,
                                      didThrow,
                                      args.GetIsolate());
    if (didThrow)
        return v8::Undefined();
    ExceptionCode ec = 0;
    messagePort->postMessage(message.release(), &portArray, ec);
    return throwError(ec);
}

v8::Handle<v8::Value> V8MessagePort::postMessageCallback(const v8::Arguments& args)
{
    INC_STATS("DOM.MessagePort.postMessage");
    return handlePostMessageCallback(args, false);
}

v8::Handle<v8::Value> V8MessagePort::webkitPostMessageCallback(const v8::Arguments& args)
{
    INC_STATS("DOM.MessagePort.webkitPostMessage");
    return handlePostMessageCallback(args, true);
}

} // namespace WebCore