Class BackingMediaWrapper

A base class that can be listened to, and dispatch events.

Hierarchy (view full)

Notifier<BackingMediaEventType>
- BackingMediaWrapper

Constructors

constructor

new BackingMediaWrapper(source): BackingMediaWrapper
Parameters
- source: BackingMediaSource
Returns BackingMediaWrapper
Overrides Notifier.constructor
- Defined in src/helpers/BackingMediaWrapper.ts:19

Properties

`Private`_presentationHash

_presentationHash: number = 0

`Protected` `Readonly`listeners

listeners: ConcurrentCollection<Listener<BackingMediaEventType>> = ...

`Private`rvf

rvf: number = 0

`Readonly`source

source: BackingMediaSource

`Readonly`sourceType

sourceType: BackingMediaSourceType

`Private`videoLoaded

videoLoaded: boolean = false

Accessors

canvasImageSource

get canvasImageSource(): null | CanvasImageSource
Returns null | CanvasImageSource
- Defined in src/helpers/BackingMediaWrapper.ts:232

fastCanvasImageSource

get fastCanvasImageSource(): null | FastCanvasImageSource
Returns null | FastCanvasImageSource
- Defined in src/helpers/BackingMediaWrapper.ts:240

height

get height(): number
Returns number
- Defined in src/helpers/BackingMediaWrapper.ts:177

loaded

get loaded(): number | boolean
Returns number | boolean
- Defined in src/helpers/BackingMediaWrapper.ts:208

presentationHash

get presentationHash(): number
Returns number
- Defined in src/helpers/BackingMediaWrapper.ts:252

width

get width(): number
Returns number
- Defined in src/helpers/BackingMediaWrapper.ts:146

Methods

addEventListener

addEventListener(listener): void
Listen to events from this helper. Duplicate listeners allowed.
Parameters
- listener: Listener<BackingMediaEventType>
Returns void
Overrides Notifier.addEventListener
- Defined in src/helpers/BackingMediaWrapper.ts:128

`Private`addSourceListeners

addSourceListeners(): void
Returns void
- Defined in src/helpers/BackingMediaWrapper.ts:64

`Private` `Readonly`dispatchDirty

dispatchDirty(): void
Returns void
- Defined in src/helpers/BackingMediaWrapper.ts:28

`Private` `Readonly`dispatchDirtyAndRVF

dispatchDirtyAndRVF(): void
Returns void
- Defined in src/helpers/BackingMediaWrapper.ts:55

`Protected`dispatchEvent

dispatchEvent(event): void
Dispatch an event to all listeners.
Parameters
- event: BackingMediaEventType
Returns void
Inherited from Notifier.dispatchEvent
- Defined in src/helpers/Notifier.ts:46

`Private` `Readonly`dispatchLoaded

dispatchLoaded(): void
Returns void
- Defined in src/helpers/BackingMediaWrapper.ts:33

`Private` `Readonly`dispatchResized

dispatchResized(): void
Returns void
- Defined in src/helpers/BackingMediaWrapper.ts:24

`Protected`dispatchToListener

dispatchToListener(event, listener): void
Dispatch an event to a specific listener. Listener does not have to be added
Parameters
- event: BackingMediaEventType
- listener: Listener<BackingMediaEventType>
Returns void
Inherited from Notifier.dispatchToListener
- Defined in src/helpers/Notifier.ts:37

`Private` `Readonly`onImageLoaded

onImageLoaded(): void
Returns void
- Defined in src/helpers/BackingMediaWrapper.ts:37

`Private` `Readonly`onReadyStateChanged

onReadyStateChanged(): void
Returns void
- Defined in src/helpers/BackingMediaWrapper.ts:43

`Private` `Readonly`redirectEvents

redirectEvents(event): void
Parameters
- event: BackingMediaEventType
Returns void
- Defined in src/helpers/BackingMediaWrapper.ts:60

removeEventListener

removeEventListener(listener): boolean
Stop listening to events from this helper. If a duplicate listener is removed, only one is removed.
Parameters
- listener: Listener<BackingMediaEventType>
Returns boolean
True if a listener was removed, false otherwise.
Overrides Notifier.removeEventListener
- Defined in src/helpers/BackingMediaWrapper.ts:136

`Private`removeSourceListeners

removeSourceListeners(): void
Returns void
- Defined in src/helpers/BackingMediaWrapper.ts:99