Class: shaka.polyfill.PatchedMediaKeysWebkit.MediaKeySession

Constructor

new MediaKeySession(medianon-null, keySystem, sessionType)

An implementation of MediaKeySession.
Parameters:
Name Type Description
media HTMLMediaElement
keySystem string
sessionType string
Implements:
  • MediaKeySession
Extends:
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Members

(non-null) closed :shaka.util.PublicPromise

Type:
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dispatchTarget :EventTarget

The target of all dispatched events. Defaults to |this|.
Type:
  • EventTarget
Inherited From:
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expiration :number

Type:
  • number
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(private) generatePromise_ :shaka.util.PublicPromise

Type:
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(private) initialized_ :boolean

Type:
  • boolean
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(non-null) keyStatuses :shaka.polyfill.PatchedMediaKeysWebkit.MediaKeyStatusMap

Type:
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(private) keySystem_ :string

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

Type:
Inherited From:
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(private, non-null) media_ :HTMLMediaElement

Type:
  • HTMLMediaElement
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sessionId :string

Type:
  • string
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(private) type_ :string

Type:
  • string
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(private) updatePromise_ :shaka.util.PublicPromise

Type:
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Methods

addEventListener(type, listener, opt_optionsopt)

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_options AddEventListenerOptions | boolean <optional>
 Ignored.
Inherited From:
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close()

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dispatchEvent(eventnon-null) → {boolean}

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

(private) generate_(initDatanullable, offlineSessionIdnullable) → (non-null) {Promise}

Logic which is shared between generateRequest() and load(), both of which are ultimately implemented with webkitGenerateKeyRequest in prefixed EME.
Parameters:
Name Type Attributes Description
initData BufferSource <nullable>
offlineSessionId string <nullable>
Source:
Returns:
Type
Promise

(protected) generated()

Signals that the license request has been generated. This resolves the 'generateRequest' promise.
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generateRequest()

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handleError(eventnon-null)

Either rejects a promise, or dispatches an error event, as appropriate.
Parameters:
Name Type Description
event MediaKeyEvent
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load()

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(protected) ready()

Signals that the session is 'ready', which is the terminology used in older versions of EME. The new signal is to resolve the 'update' promise. This translates between the two.
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remove()

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removeEventListener(type, listener, opt_optionsopt)

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_options EventListenerOptions | boolean <optional>
 Ignored.
Inherited From:
Source:

update()

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(private) update_(promisenon-null, responsenullable)

An internal version of update which defers new calls while old ones are in progress.
Parameters:
Name Type Attributes Description
promise shaka.util.PublicPromise The promise associated with this call.
response BufferSource <nullable>
Source:

(private) updateKeyStatus_(status)

Update key status and dispatch a 'keystatuseschange' event.
Parameters:
Name Type Description
status string
Source: