Class: shaka.util.FakeEventTarget

Constructor

new FakeEventTarget()

A work-alike for EventTarget. Only DOM elements may be true EventTargets, but this can be used as a base class to provide event dispatch to non-DOM classes. Only FakeEvents should be dispatched.
Implements:
  • EventTarget
Source:

Members

dispatchTarget :EventTarget

The target of all dispatched events. Defaults to |this|.
Type:
  • EventTarget
Source:

(private, non-null) listeners_ :shaka.util.MultiMap.<shaka.util.FakeEventTarget.ListenerType>

Type:
Source:

Methods

addEventListener(type, listener, opt_capturingopt)

Add an event listener to this object.
Parameters:
Name Type Attributes Description
type string The event type to listen for.
listener shaka.util.FakeEventTarget.ListenerType The callback or listener object to invoke.
opt_capturing boolean <optional>
 Ignored. FakeEventTargets do not have parents, so events neither capture nor bubble.
Source:

dispatchEvent(eventnon-null) → {boolean}

Dispatch an event from this object.
Parameters:
Name Type Description
event Event The event to be dispatched from this object.
Source:
Returns:
True if the default action was prevented.
Type
boolean

removeEventListener(type, listener, opt_capturingopt)

Remove an event listener from this object.
Parameters:
Name Type Attributes Description
type string The event type for which you wish to remove a listener.
listener shaka.util.FakeEventTarget.ListenerType The callback or listener object to remove.
opt_capturing boolean <optional>
 Ignored. FakeEventTargets do not have parents, so events neither capture nor bubble.
Source:

Type Definitions

ListenerType

These are the listener types defined in the closure extern for EventTarget.
Type:
  • EventListener | function(!Event): (boolean|undefined)
Source: