src/preferences/time/ZoneView.h

   1 /*
   2  * Copyright 2004-2012, Haiku, Inc. All Rights Reserved.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              Mike Berg <mike@berg-net.us>
   7  *              Julun <host.haiku@gmx.de>
   8  *              Hamish Morrison <hamish@lavabit.com>
   9  */
  10 #ifndef ZONE_VIEW_H
  11 #define ZONE_VIEW_H
  12
  13
  14 #include <LayoutBuilder.h>
  15 #include <TimeFormat.h>
  16 #include <TimeZone.h>
  17
  18
  19 class BButton;
  20 class BMessage;
  21 class BOutlineListView;
  22 class BPopUpMenu;
  23 class BRadioButton;
  24 class BTimeZone;
  25 class TimeZoneListItem;
  26 class TimeZoneListView;
  27 class TTZDisplay;
  28
  29
  30 class TimeZoneView : public BGroupView {
  31 public:
  32                                                                 TimeZoneView(const char* name);
  33         virtual                                         ~TimeZoneView();
  34
  35         virtual void                            AttachedToWindow();
  36         virtual void                            MessageReceived(BMessage* message);
  37                         bool                            CheckCanRevert();
  38
  39 protected:
  40         virtual void                            DoLayout();
  41
  42 private:
  43                         void                            _UpdateDateTime(BMessage* message);
  44
  45                         void                            _SetSystemTimeZone();
  46
  47                         void                            _UpdatePreview();
  48                         void                            _UpdateCurrent();
  49                         BString                         _FormatTime(const BTimeZone& timeZone);
  50
  51                         void                            _ReadRTCSettings();
  52                         void                            _WriteRTCSettings();
  53                         void                            _UpdateGmtSettings();
  54                         void                            _ShowOrHidePreview();
  55
  56                         void                            _InitView();
  57                         void                            _BuildZoneMenu();
  58
  59                         void                            _Revert();
  60
  61                         TimeZoneListView*       fZoneList;
  62                         BButton*                        fSetZone;
  63                         TTZDisplay*                     fCurrent;
  64                         TTZDisplay*                     fPreview;
  65                         BRadioButton*           fLocalTime;
  66                         BRadioButton*           fGmtTime;
  67
  68                         int32                           fLastUpdateMinute;
  69                         bool                            fUseGmtTime;
  70                         bool                            fOldUseGmtTime;
  71
  72                         TimeZoneListItem*       fCurrentZoneItem;
  73                         TimeZoneListItem*       fOldZoneItem;
  74                         bool                            fInitialized;
  75
  76                         BTimeFormat                     fTimeFormat;
  77 };
  78
  79
  80 #endif // ZONE_VIEW_H