/*

 * Copyright (C) 2006, 2007 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. 

 * 3.  Neither the name of Apple Computer, Inc. ("Apple") 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 APPLE 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 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 FileChooser_h

#define FileChooser_h

#include "PlatformString.h"

#include <wtf/RefPtr.h>

#if PLATFORM(MAC)

#include <wtf/RetainPtr.h>

#ifdef __OBJC__

@class OpenPanelController;

#else

class OpenPanelController;

#endif

#endif

#if PLATFORM(SYMBIAN)

class AsyncLaunch;

#endif

namespace WebCore {

class Document;

class Font;

class Icon;

class FileChooserClient {

public:

    virtual ~FileChooserClient() { }

    virtual void valueChanged() = 0;

};

class FileChooser : public Shared<FileChooser> {

public:

    static PassRefPtr<FileChooser> create(FileChooserClient*, const String& initialFilename);

    ~FileChooser();

    void disconnectClient() { m_client = 0; }

    bool disconnected() { return !m_client; }

    // FIXME: It's a layering violation that we pass a Document in here.

    // The platform directory is underneath the DOM, so it can't use the DOM.

    // Because of UI delegates, it's not clear that this class belongs in the platform

    // layer at all. It might need to go alongside the Chrome class instead.

    void openFileChooser(Document*);

    const String& filename() const { return m_filename; }

    String basenameForWidth(const Font&, int width) const;

    Icon* icon() const { return m_icon.get(); }

    void clear(); // for use by client; does not call valueChanged

    void chooseFile(const String& filename);

private:

    FileChooser(FileChooserClient*, const String& initialFilename);

    static PassRefPtr<Icon> chooseIcon(const String& filename);

    FileChooserClient* m_client;

    String m_filename;

    RefPtr<Icon> m_icon;

#if PLATFORM(MAC)

    RetainPtr<OpenPanelController> m_controller;

#endif

#if PLATFORM(SYMBIAN)

    AsyncLaunch* m_controller;

#endif

};

}

#endif