Package	fl.accessibility
Class	public class ListAccImpl
Inheritance	ListAccImpl SelectableListAccImpl AccImpl

Language Version :

ActionScript 3.0

Player Version :

Flash Player 9.0.28.0

The ListAccImpl class, also called the List Accessiblity Implementation class, is used to make a List component accessible.

The ListAccImpl class supports system roles, object-based events, and states.

A List reports the role ROLE_SYSTEM_LIST (0x21) to a screen reader. Items of a List report the role ROLE_SYSTEM_LISTITEM (0x22).

A List reports the following states to a screen reader:

• STATE_SYSTEM_NORMAL (0x00000000)
• STATE_SYSTEM_UNAVAILABLE (0x00000001)
• STATE_SYSTEM_FOCUSED (0x00000004)
• STATE_SYSTEM_FOCUSABLE (0x00100000)

Additionally, items of a List report the following states:

• STATE_SYSTEM_SELECTED (0x00000002)
• STATE_SYSTEM_FOCUSED (0x00000004)
• STATE_SYSTEM_INVISIBLE (0x00008000)
• STATE_SYSTEM_OFFSCREEN (0x00010000)
• STATE_SYSTEM_SELECTABLE (0x00200000)

A List dispatches the following events to a screen reader:

• EVENT_OBJECT_FOCUS (0x8005)
• EVENT_OBJECT_SELECTION (0x8006)
• EVENT_OBJECT_STATECHANGE (0x800A)
• EVENT_OBJECT_NAMECHANGE (0x800C)

See also

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enableAccessibility

()

method

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Tue Mar 18 2008, 12:59 PM GMT-07:00