/*

 * Copyright (C) 2010 Apple 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:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. 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.

 *

 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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.

 */

#ifndef WebPreferences_h

#define WebPreferences_h

#include "WebPreferencesStore.h"

#include <wtf/HashSet.h>

#include <wtf/PassRefPtr.h>

#include <wtf/RefCounted.h>

#include <wtf/RefPtr.h>

namespace WebKit {

class WebContext;

class WebPreferences : public RefCounted<WebPreferences> {

public:

    static WebPreferences* shared();

    static PassRefPtr<WebPreferences> create()

    {

        return adoptRef(new WebPreferences);

    }

    static PassRefPtr<WebPreferences> copy(WebPreferences* preferences)

    {

        return adoptRef(new WebPreferences(preferences));

    }

    ~WebPreferences();

    void addContext(WebContext*);

    void removeContext(WebContext*);

    const WebPreferencesStore& store() const { return m_store; }

    void setJavaScriptEnabled(bool);

    bool javaScriptEnabled() const;

    void setLoadsImagesAutomatically(bool);

    bool loadsImagesAutomatically() const;

    void setOfflineWebApplicationCacheEnabled(bool);

    bool offlineWebApplicationCacheEnabled() const;

    void setLocalStorageEnabled(bool);

    bool localStorageEnabled() const;

private:

    WebPreferences();

    WebPreferences(WebPreferences*);

    void update();

    HashSet<WebContext*> m_contexts;

    WebPreferencesStore m_store;

};

} // namespace WebKit

#endif // WebPreferences_h