Source/modules/webdatabase/SQLTransactionClient.cpp

/*
 * Copyright (C) 2009 Google Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions are
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 * in the documentation and/or other materials provided with the
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#include "config.h"
#include "modules/webdatabase/SQLTransactionClient.h"

#include "core/dom/ExecutionContext.h"
#include "core/dom/ExecutionContextTask.h"
#include "modules/webdatabase/DatabaseBackendBase.h"
#include "modules/webdatabase/DatabaseContext.h"
#include "modules/webdatabase/DatabaseObserver.h"

namespace WebCore {

class NotifyDatabaseChangedTask : public ExecutionContextTask {
public:
    static PassOwnPtr<NotifyDatabaseChangedTask> create(DatabaseBackendBase *database)
    {
        return adoptPtr(new NotifyDatabaseChangedTask(database));
    }

    virtual void performTask(ExecutionContext*)
    {
        WebCore::DatabaseObserver::databaseModified(m_database.get());
    }

private:
    NotifyDatabaseChangedTask(PassRefPtr<DatabaseBackendBase> database)
        : m_database(database)
    {
    }

    RefPtr<DatabaseBackendBase> m_database;
};

void SQLTransactionClient::didCommitWriteTransaction(DatabaseBackendBase* database)
{
    ExecutionContext* executionContext = database->databaseContext()->executionContext();
    if (!executionContext->isContextThread()) {
        executionContext->postTask(NotifyDatabaseChangedTask::create(database));
        return;
    }

    WebCore::DatabaseObserver::databaseModified(database);
}

bool SQLTransactionClient::didExceedQuota(DatabaseBackendBase* database)
{
    // Chromium does not allow users to manually change the quota for an origin (for now, at least).
    // Don't do anything.
    ASSERT(database->databaseContext()->executionContext()->isContextThread());
    return false;
}

}