AssetThumbnails Class Reference


                    
                    
                    init()

Default constructor used to build the AssetThumbnail class


                    
                    
                    prepareThumbnails(delegate:url:)

Fetches the thumbnails from the given URI and notifies the state when prepared/failed back through the passed listener

Note

if either of the passed parameters are nil, this function performs no operation


                    
                    
                    reset()

Reset the object to it’s initial state, cancelling any ongoing operations and clearing any fetched data and the listener pointer. To be called if the thumbnail fetch operation is no longer required before the passed ThumbnailsDelegate object is notified of completion (in error or success)


                    
                    
                    thumbnails()

Return the ordered start times (in milliseconds) and prepared Dictionary of start time (in milliseconds) to thumbnails to the caller.

Note

will only return data after prepared() has been called on ThumbnailsDelegatepassed with prepareThumbnails(), otherwise returns nil. Once called this instance will no longer hold a reference to the thumbnail data, further calls to this function without a call to prepareThumbnails will return nil.