v8customsqltransactionerrorcallback.cpp

linux下开源浏览器WebKit的源码,市面上的很多商用浏览器都是移植自WebKit

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 * Copyright (c) 2009, Google Inc. All rights reserved.
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 * 
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#include "config.h"
#include "V8CustomSQLTransactionErrorCallback.h"

#include "Frame.h"
#include "V8CustomVoidCallback.h"

namespace WebCore {

V8CustomSQLTransactionErrorCallback::V8CustomSQLTransactionErrorCallback(v8::Local<v8::Object> callback, Frame* frame)
    : m_callback(v8::Persistent<v8::Object>::New(callback))
    , m_frame(frame)
{
}

V8CustomSQLTransactionErrorCallback::~V8CustomSQLTransactionErrorCallback()
{
    m_callback.Dispose();
}

bool V8CustomSQLTransactionErrorCallback::handleEvent(SQLError* error)
{
    v8::HandleScope handleScope;

    v8::Handle<v8::Context> context = V8Proxy::GetContext(m_frame.get());
    if (context.IsEmpty())
        return true;

    v8::Context::Scope scope(context);

    v8::Handle<v8::Value> argv[] = {
        V8Proxy::ToV8Object(V8ClassIndex::SQLERROR, error)
    };

    // Protect the frame until the callback returns.
    RefPtr<Frame> protector(m_frame);

    bool callbackReturnValue = false;
    invokeCallback(m_callback, 1, argv, callbackReturnValue);

    // FIXME: Eliminate return value once SQLTransactionErrorCallback is changed
    // to match the spec.
    return true;
}

} // namespace WebCore