/*
 * Copyright 2004-2012, Haiku, Inc. All Rights Reserved.
 * Distributed under the terms of the MIT License.
 *
 * Authors:
 *              Mike Berg <mike@berg-net.us>
 *              Julun <host.haiku@gmx.de>
 *              Hamish Morrison <hamish@lavabit.com>
 */
#ifndef ZONE_VIEW_H
#define ZONE_VIEW_H


#include <LayoutBuilder.h>
#include <TimeFormat.h>
#include <TimeZone.h>


class BButton;
class BMessage;
class BOutlineListView;
class BPopUpMenu;
class BRadioButton;
class BTimeZone;
class TimeZoneListItem;
class TimeZoneListView;
class TTZDisplay;


class TimeZoneView : public BGroupView {
public:
                                                                TimeZoneView(const char* name);
        virtual                                         ~TimeZoneView();

        virtual void                            AttachedToWindow();
        virtual void                            MessageReceived(BMessage* message);
                        bool                            CheckCanRevert();

protected:
        virtual void                            DoLayout();

private:
                        void                            _UpdateDateTime(BMessage* message);

                        void                            _SetSystemTimeZone();

                        void                            _UpdatePreview();
                        void                            _UpdateCurrent();
                        BString                         _FormatTime(const BTimeZone& timeZone);

                        void                            _ReadRTCSettings();
                        void                            _WriteRTCSettings();
                        void                            _UpdateGmtSettings();
                        void                            _ShowOrHidePreview();

                        void                            _InitView();
                        void                            _BuildZoneMenu();

                        void                            _Revert();

                        TimeZoneListView*       fZoneList;
                        BButton*                        fSetZone;
                        TTZDisplay*                     fCurrent;
                        TTZDisplay*                     fPreview;
                        BRadioButton*           fLocalTime;
                        BRadioButton*           fGmtTime;

                        int32                           fLastUpdateMinute;
                        bool                            fUseGmtTime;
                        bool                            fOldUseGmtTime;

                        TimeZoneListItem*       fCurrentZoneItem;
                        TimeZoneListItem*       fOldZoneItem;
                        bool                            fInitialized;

                        BTimeFormat                     fTimeFormat;
};


#endif // ZONE_VIEW_H