wantRippleProgram method

void wantRippleProgram()

Loads rippleProgram, once per process, and notifies when it lands.

Implementation

void wantRippleProgram() {
  if (rippleProgram != null) {
    return;
  }
  _loadRipple().then((ui.FragmentProgram program) {
    if (_rippleProgram == null && !_disposed) {
      _rippleProgram = program;
      notifyListeners();
    }
  }, onError: _reportShaderLoadError);
}