addDirty method

void addDirty(
  1. int delta
)

Implementation

void addDirty(int delta) {
  var wasDirty = dirtyWidgets > 0;

  dirtyWidgets += delta;

  var isDirty = dirtyWidgets > 0;

  if ( wasDirty != isDirty)
    markDirty(dirtyWidgets > 0);
}