/*

 * Copyright (C) 2010 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

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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */

#include "config.h"

#include "DatabaseObserver.h"

#include "AbstractDatabase.h"

#include "Document.h"

#include "ScriptExecutionContext.h"

#include "WebDatabase.h"

#include "WebDatabaseObserver.h"

#include "WebFrameClient.h"

#include "WebFrameImpl.h"

#include "WebSecurityOrigin.h"

#include "WebWorkerImpl.h"

#include "WorkerContext.h"

#include "WorkerThread.h"

using namespace WebKit;

namespace WebCore {

bool DatabaseObserver::canEstablishDatabase(ScriptExecutionContext* scriptExecutionContext, const String& name, const String& displayName, unsigned long estimatedSize)

{

    ASSERT(scriptExecutionContext->isContextThread());

    ASSERT(scriptExecutionContext->isDocument() || scriptExecutionContext->isWorkerContext());

    if (scriptExecutionContext->isDocument()) {

        Document* document = static_cast<Document*>(scriptExecutionContext);

        WebFrameImpl* webFrame = WebFrameImpl::fromFrame(document->frame());

        return webFrame->client()->allowDatabase(webFrame, name, displayName, estimatedSize);

    } else {

        WorkerContext* workerContext = static_cast<WorkerContext*>(scriptExecutionContext);

        WorkerLoaderProxy* workerLoaderProxy = &workerContext->thread()->workerLoaderProxy();

        WebWorkerBase* webWorker = static_cast<WebWorkerBase*>(workerLoaderProxy);

        return webWorker->allowDatabase(0, name, displayName, estimatedSize);

    }

    return true;

}

void DatabaseObserver::databaseOpened(AbstractDatabase* database)

{

    ASSERT(database->scriptExecutionContext()->isContextThread());

    WebDatabase::observer()->databaseOpened(WebDatabase(database));

}

void DatabaseObserver::databaseModified(AbstractDatabase* database)

{

    ASSERT(database->scriptExecutionContext()->isContextThread());

    WebDatabase::observer()->databaseModified(WebDatabase(database));

}

void DatabaseObserver::databaseClosed(AbstractDatabase* database)

{

    ASSERT(database->scriptExecutionContext()->isContextThread());

    WebDatabase::observer()->databaseClosed(WebDatabase(database));

}

} // namespace WebCore