headers/os/media/MediaTheme.h

   1 /*
   2  * Copyright 2006, Haiku, Inc. All Rights Reserved.
   3  * Distributed under the terms of the MIT License.
   4  */
   5 #ifndef _CONTROL_THEME_H
   6 #define _CONTROL_THEME_H
   7
   8
   9 #include <Entry.h>
  10 #include <MediaDefs.h>
  11
  12 class BBitmap;
  13 class BControl;
  14 class BParameter;
  15 class BParameterWeb;
  16 class BRect;
  17 class BView;
  18
  19
  20 class BMediaTheme {
  21         public:
  22                 virtual ~BMediaTheme();
  23
  24                 const char* Name();
  25                 const char* Info();
  26                 int32 ID();
  27                 bool GetRef(entry_ref* ref);
  28
  29                 static BView* ViewFor(BParameterWeb* web, const BRect* hintRect = NULL,
  30                         BMediaTheme* usingTheme = NULL);
  31
  32                 static status_t SetPreferredTheme(BMediaTheme* defaultTheme = NULL);
  33                 static BMediaTheme* PreferredTheme();
  34
  35                 virtual BControl* MakeControlFor(BParameter* control) = 0;
  36
  37                 enum bg_kind {
  38                         B_GENERAL_BG = 0,
  39                         B_SETTINGS_BG,
  40                         B_PRESENTATION_BG,
  41                         B_EDIT_BG,
  42                         B_CONTROL_BG,
  43                         B_HILITE_BG
  44                 };
  45                 enum fg_kind {
  46                         B_GENERAL_FG = 0,
  47                         B_SETTINGS_FG,
  48                         B_PRESENTATION_FG,
  49                         B_EDIT_FG,
  50                         B_CONTROL_FG,
  51                         B_HILITE_FG
  52                 };
  53
  54                 virtual BBitmap* BackgroundBitmapFor(bg_kind bg = B_GENERAL_BG);
  55                 virtual rgb_color BackgroundColorFor(bg_kind bg = B_GENERAL_BG);
  56                 virtual rgb_color ForegroundColorFor(fg_kind fg = B_GENERAL_FG);
  57
  58         protected:
  59                 BMediaTheme(const char* name, const char* info,
  60                         const entry_ref* addOn = NULL, int32 themeID = 0);
  61
  62                 virtual BView* MakeViewFor(BParameterWeb* web,
  63                         const BRect* hintRect = NULL) = 0;
  64
  65                 static BControl* MakeFallbackViewFor(BParameter* control);
  66
  67         private:
  68                 BMediaTheme();          /* private unimplemented */
  69                 BMediaTheme(const BMediaTheme& other);
  70                 BMediaTheme& operator=(const BMediaTheme& other);
  71
  72                 virtual status_t _Reserved_ControlTheme_0(void *);
  73                 virtual status_t _Reserved_ControlTheme_1(void *);
  74                 virtual status_t _Reserved_ControlTheme_2(void *);
  75                 virtual status_t _Reserved_ControlTheme_3(void *);
  76                 virtual status_t _Reserved_ControlTheme_4(void *);
  77                 virtual status_t _Reserved_ControlTheme_5(void *);
  78                 virtual status_t _Reserved_ControlTheme_6(void *);
  79                 virtual status_t _Reserved_ControlTheme_7(void *);
  80
  81                 char*           fName;
  82                 char*           fInfo;
  83                 int32           fID;
  84                 bool            fIsAddOn;
  85                 entry_ref       fAddOnRef;
  86
  87                 uint32 _reserved[8];
  88
  89                 static BMediaTheme* sDefaultTheme;
  90 };
  91
  92
  93 // Theme add-ons should export these functions:
  94 #if defined(_BUILDING_THEME_ADDON)
  95 extern "C" BMediaTheme* make_theme(int32 id, image_id you);
  96 extern "C" status_t get_theme_at(int32 index, const char** _name,
  97         const char** _info, int32* _id);
  98 #endif  // _BUILDING_THEME_ADDON
  99
 100 #endif  // _CONTROL_THEME_H