setTheme method

Implementation

void setTheme(ThemeModel theme, bool notify) {
  /// Initial Theme Setting
  String def = 'light';
  String cBrightness = settings('BRIGHTNESS')?.toLowerCase() ?? def;
  if (cBrightness == 'system' || cBrightness == 'platform') {
    try {
      cBrightness = PlatformDispatcher.instance.platformBrightness
          .toString()
          .toLowerCase()
          .split('.')[1];
    } catch (e) {
      cBrightness = def;
    }
  }

  var brightness = theme.brightness;
  var colorscheme = theme.colorscheme;
  var font = theme.font;

  // theme values from the app
  theme.brightness = cBrightness;
  theme.colorscheme = settings('PRIMARY_COLOR')?.toLowerCase() ??
      'lightblue'; // backwards compatibility
  theme.colorscheme =
      settings('COLOR_SCHEME')?.toLowerCase() ?? theme.colorscheme;
  theme.font = settings('FONT');

  // has the theme changed?
  bool modified = (theme.brightness != brightness ||
      theme.colorscheme != colorscheme ||
      theme.font != font);
  if (modified && notify && context != null) {
    // call the theme notifier
    final themeNotifier = Provider.of<ThemeNotifier>(context!, listen: false);
    String brightness =
        settings('BRIGHTNESS') ?? ThemeModel.defaultBrightness;
    String color = settings('COLOR_SCHEME') ?? ThemeModel.defaultColor;
    themeNotifier.setTheme(brightness, color);
    themeNotifier.mapSystemThemeBindables();
  }
}