Interface imgIContainerDebugType

This interface is used in debug builds (and only there) in order to let automatic tests running JavaScript access internal state of imgContainers. This lets us test things like animation.

Hierarchy

Properties

framesNotified

Methods

AddRef QueryInterface Release

Properties

Readonly framesNotified

framesNotified: uint32_t

The # of frames this imgContainer has been notified about. That is equal to the # of times the animation timer has fired, and is usually equal to the # of frames actually drawn (but actual drawing might be disabled).

Methods

AddRef

  • Increases the reference count for this interface. The associated instance will not be deleted unless the reference count is returned to zero.

    Returns

    The resulting reference count.

    Returns number

QueryInterface

  • Parameters

    • aIID: object
    • Optional aInstancePtr: object

    Returns any

  • A run time mechanism for interface discovery.

    Returns

    NS_OK if the interface is supported by the associated instance, NS_NOINTERFACE if it is not.

    aInstancePtr must not be null.

    Parameters

    • aIID: object

      [in] A requested interface IID

    • aInstancePtr: object

      [out] A pointer to an interface pointer to receive the result.

    Returns void

Release

  • Decreases the reference count for this interface. Generally, if the reference count returns to zero, the associated instance is deleted.

    Returns

    The resulting reference count.

    Returns number

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