If this event's default action is cancelable. See respective engine event for its definition of default action.
If this event's default action has been canceled/prevented by a call to preventDefault()
True if stopImmediatePropagation() was called on this event.
If this event runs in a "trusted" context, i.e. the event callback is executed during a user-generated event such as "click" or "pointerdown".
True if stopPropagation() was called on this event.
The ReaderView instance this event is related to.
The active view transform.
The type of event.
Prevent the event's default action. See the respective engine event for its definition of default action.
Stops this event from propagating to anymore listener.
Stops this event from propagating to listeners on the ReadingSystemEngine instance, if called from a listener added to a ReaderView instance. If the event has already propagated to the ReadingSystemEngine instance, calling this method has no effect.
Get this event as a plain JSON object.
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EngineEvent used for "activeTransformChanged". This event fires when a ReaderView's active transform has changed. This happens when performing a pan-zoom gesture, or when calling transform methods on the ReaderViewTransformManager, such as zoomToEventPosition().