src/kits/media/MediaTheme.cpp

   1 /*
   2  * Copyright 2001-2006, Haiku.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              Marcus Overhagen
   7  *              Axel Dörfler, axeld@pinc-software.de
   8  */
   9
  10
  11 #include "DefaultMediaTheme.h"
  12 #include "debug.h"
  13
  14 #include <MediaTheme.h>
  15 #include <StringView.h>
  16 #include <Locker.h>
  17 #include <Autolock.h>
  18
  19 #include <string.h>
  20
  21
  22 static BLocker sLock("media theme lock");
  23
  24 BMediaTheme* BMediaTheme::sDefaultTheme;
  25
  26
  27 BMediaTheme::~BMediaTheme()
  28 {
  29         CALLED();
  30
  31         free(fName);
  32         free(fInfo);
  33 }
  34
  35
  36 const char *
  37 BMediaTheme::Name()
  38 {
  39         return fName;
  40 }
  41
  42
  43 const char *
  44 BMediaTheme::Info()
  45 {
  46         return fInfo;
  47 }
  48
  49
  50 int32
  51 BMediaTheme::ID()
  52 {
  53         return fID;
  54 }
  55
  56
  57 bool
  58 BMediaTheme::GetRef(entry_ref* ref)
  59 {
  60         if (!fIsAddOn || ref == NULL)
  61                 return false;
  62
  63         *ref = fAddOnRef;
  64         return true;
  65 }
  66
  67
  68 BView *
  69 BMediaTheme::ViewFor(BParameterWeb* web, const BRect* hintRect,
  70         BMediaTheme* usingTheme)
  71 {
  72         CALLED();
  73
  74         // use default theme if none was specified
  75         if (usingTheme == NULL)
  76                 usingTheme = PreferredTheme();
  77
  78         if (usingTheme == NULL) {
  79                 BStringView* view = new BStringView(BRect(0, 0, 200, 30), "",
  80                         "No BMediaTheme available, sorry!");
  81                 view->ResizeToPreferred();
  82                 return view;
  83         }
  84
  85         return usingTheme->MakeViewFor(web, hintRect);
  86 }
  87
  88
  89 status_t
  90 BMediaTheme::SetPreferredTheme(BMediaTheme* defaultTheme)
  91 {
  92         CALLED();
  93
  94         // ToDo: this method should probably set some global settings file
  95         //      to make the new preferred theme available to all applications
  96
  97         BAutolock locker(sLock);
  98
  99         if (defaultTheme == NULL) {
 100                 // if the current preferred theme is not the default media theme,
 101                 // delete it, and set it back to the default
 102                 if (dynamic_cast<BPrivate::DefaultMediaTheme *>(sDefaultTheme) == NULL)
 103                         sDefaultTheme = new BPrivate::DefaultMediaTheme();
 104
 105                 return B_OK;
 106         }
 107
 108         // this method takes possession of the BMediaTheme passed, even
 109         // if it fails, so it has to delete it
 110         if (defaultTheme != sDefaultTheme)
 111                 delete sDefaultTheme;
 112
 113         sDefaultTheme = defaultTheme;
 114
 115         return B_OK;
 116 }
 117
 118
 119 BMediaTheme *
 120 BMediaTheme::PreferredTheme()
 121 {
 122         CALLED();
 123
 124         BAutolock locker(sLock);
 125
 126         // ToDo: should look in the global prefs file for the preferred
 127         //      add-on and load this from disk - in the meantime, just use
 128         //      the default theme
 129
 130         if (sDefaultTheme == NULL)
 131                 sDefaultTheme = new BPrivate::DefaultMediaTheme();
 132
 133         return sDefaultTheme;
 134 }
 135
 136
 137 BBitmap *
 138 BMediaTheme::BackgroundBitmapFor(bg_kind bg)
 139 {
 140         UNIMPLEMENTED();
 141         return NULL;
 142 }
 143
 144
 145 rgb_color
 146 BMediaTheme::BackgroundColorFor(bg_kind bg)
 147 {
 148         UNIMPLEMENTED();
 149         return ui_color(B_PANEL_BACKGROUND_COLOR);
 150 }
 151
 152
 153 rgb_color
 154 BMediaTheme::ForegroundColorFor(fg_kind fg)
 155 {
 156         UNIMPLEMENTED();
 157         rgb_color dummy = {255, 255, 255};
 158
 159         return dummy;
 160 }
 161
 162
 163 //! protected BMediaTheme
 164 BMediaTheme::BMediaTheme(const char* name, const char* info,
 165         const entry_ref* ref, int32 id)
 166         :
 167         fID(id)
 168 {
 169         fName = strdup(name);
 170         fInfo = strdup(info);
 171
 172         // ToDo: is there something else here, which has to be done?
 173
 174         if (ref) {
 175                 fIsAddOn = true;
 176                 fAddOnRef = *ref;
 177         } else
 178                 fIsAddOn = false;
 179 }
 180
 181
 182 BControl *
 183 BMediaTheme::MakeFallbackViewFor(BParameter *parameter)
 184 {
 185         if (parameter == NULL)
 186                 return NULL;
 187
 188         return BPrivate::DefaultMediaTheme::MakeViewFor(parameter);
 189 }
 190
 191
 192 /*
 193 private unimplemented
 194 BMediaTheme::BMediaTheme()
 195 BMediaTheme::BMediaTheme(const BMediaTheme &clone)
 196 BMediaTheme & BMediaTheme::operator=(const BMediaTheme &clone)
 197 */
 198
 199 status_t BMediaTheme::_Reserved_ControlTheme_0(void *) { return B_ERROR; }
 200 status_t BMediaTheme::_Reserved_ControlTheme_1(void *) { return B_ERROR; }
 201 status_t BMediaTheme::_Reserved_ControlTheme_2(void *) { return B_ERROR; }
 202 status_t BMediaTheme::_Reserved_ControlTheme_3(void *) { return B_ERROR; }
 203 status_t BMediaTheme::_Reserved_ControlTheme_4(void *) { return B_ERROR; }
 204 status_t BMediaTheme::_Reserved_ControlTheme_5(void *) { return B_ERROR; }
 205 status_t BMediaTheme::_Reserved_ControlTheme_6(void *) { return B_ERROR; }
 206 status_t BMediaTheme::_Reserved_ControlTheme_7(void *) { return B_ERROR; }
 207