/*
 * Copyright (C) 2011 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.
 */

#ifndef InspectorFileSystemAgent_h
#define InspectorFileSystemAgent_h

#if ENABLE(INSPECTOR) && ENABLE(FILE_SYSTEM)

#include "InspectorBaseAgent.h"
#include "InspectorFrontend.h"

#include <wtf/PassOwnPtr.h>
#include <wtf/PassRefPtr.h>

namespace WebCore {
class DOMFileSystem;
class InspectorFrontend;
class InspectorState;
class InstrumentingAgents;

class InspectorFileSystemAgent : public InspectorBaseAgent<InspectorFileSystemAgent>, public InspectorBackendDispatcher::FileSystemCommandHandler {
public:
    static PassOwnPtr<InspectorFileSystemAgent> create(InstrumentingAgents*, InspectorState*);
    virtual ~InspectorFileSystemAgent();

    void didOpenFileSystem(PassRefPtr<DOMFileSystem>);
    void fileSystemInvalidated(PassRefPtr<DOMFileSystem>);

    virtual void enable(ErrorString*);
    virtual void disable(ErrorString*);

    virtual void setFrontend(InspectorFrontend*);
    virtual void clearFrontend();
    virtual void restore();
private:
    InspectorFileSystemAgent(InstrumentingAgents*, InspectorState*);

    InspectorFrontend::FileSystem* m_frontend;
    bool m_enabled;
};

} // namespace WebCore

#endif // ENABLE(INSPECTOR) && ENABLE(FILE_SYSTEM)
#endif // InspectorFileSystemAgent_h
