dropEvent constant

EventStreamProvider<MouseEvent> const dropEvent = const EventStreamProvider<MouseEvent>('drop')

A stream of drop events fired when a dragged object is dropped on an element.

Other resources

Drag and drop sample based on the tutorial from HTML5Rocks. Drag and drop specification from WHATWG.

Implementation 

static const EventStreamProvider<MouseEvent> dropEvent =
    const EventStreamProvider<MouseEvent>('drop')