toggleReadingMode method

void toggleReadingMode()

Cycles to next reading mode (paper -> dark -> sepia -> paper).

Implementation

void toggleReadingMode() {
  switch (_readingMode) {
    case DocReadingMode.paper:
      setReadingMode(DocReadingMode.dark);
      break;
    case DocReadingMode.dark:
      setReadingMode(DocReadingMode.sepia);
      break;
    case DocReadingMode.sepia:
      setReadingMode(DocReadingMode.paper);
      break;
  }
}