/*
 * Copyright (c) 2009, 2012 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 "V8SQLStatementErrorCallback.h"

#include "V8SQLError.h"
#include "V8SQLTransaction.h"
#include "bindings/v8/V8Callback.h"
#include "core/dom/ScriptExecutionContext.h"
#include "wtf/Assertions.h"

namespace WebCore {

bool V8SQLStatementErrorCallback::handleEvent(SQLTransaction* transaction, SQLError* error)
{
    if (!canInvokeCallback())
        return true;

    v8::Isolate* isolate = v8::Isolate::GetCurrent();
    v8::HandleScope handleScope(isolate);

    v8::Handle<v8::Context> v8Context = toV8Context(scriptExecutionContext(), m_world.get());
    if (v8Context.IsEmpty())
        return true;

    v8::Context::Scope scope(v8Context);

    v8::Handle<v8::Value> transactionHandle = toV8(transaction, v8::Handle<v8::Object>(), v8Context->GetIsolate());
    v8::Handle<v8::Value> errorHandle = toV8(error, v8::Handle<v8::Object>(), isolate);
    if (transactionHandle.IsEmpty() || errorHandle.IsEmpty()) {
        if (!isScriptControllerTerminating())
            CRASH();
        return true;
    }

    v8::Handle<v8::Value> argv[] = {
        transactionHandle,
        errorHandle
    };

    bool callbackReturnValue = false;
    // Step 6: If the error callback returns false, then move on to the next
    // statement, if any, or onto the next overall step otherwise. Otherwise,
    // the error callback did not return false, or there was no error callback.
    // Jump to the last step in the overall steps.
    return invokeCallback(m_callback.newLocal(isolate), 2, argv, callbackReturnValue, scriptExecutionContext()) || callbackReturnValue;
}

} // namespace WebCore