JFImageProvider class

Inheritance

Constructors

JFImageProvider({required String localPath, required ImageType imageType, required String szDevId, AddDownloadComPicToTaskList? param, RecordDownloadModel? fileDownloadModel, DateTime? beginTime, DateTime? endTime, DownloadFunction? downloadStatus})

Properties

beginTime ↔ DateTime?
录像段文件缩略图下载开始时间
getter/setter pair
downloadStatus ↔ DownloadFunction?
下载进度
getter/setter pair
endTime ↔ DateTime?
录像段文件缩略图下载结束时间
getter/setter pair
fileDownloadModel ↔ RecordDownloadModel?
getter/setter pair
hashCode → int
The hash code for this object.
no setterinherited
imageType ↔ ImageType
getter/setter pair
localPath → String
final
param ↔ AddDownloadComPicToTaskList?
getter/setter pair
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
szDevId ↔ String
getter/setter pair

Methods

createStream(ImageConfiguration configuration) → ImageStream
Called by resolve to create the ImageStream it returns.
inherited
evict({ImageCache? cache, ImageConfiguration configuration = ImageConfiguration.empty}) → Future<bool>
Evicts an entry from the image cache.
inherited
loadBuffer(JFImageProvider key, DecoderBufferCallback decode) → ImageStreamCompleter
Converts a key into an ImageStreamCompleter, and begins fetching the image.
inherited
loadImage(JFImageProvider key, ImageDecoderCallback decode) → ImageStreamCompleter
Converts a key into an ImageStreamCompleter, and begins fetching the image.
override
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
obtainCacheStatus({required ImageConfiguration configuration, ImageErrorListener? handleError}) → Future<ImageCacheStatus?>
Returns the cache location for the key that this ImageProvider creates.
inherited
obtainKey(ImageConfiguration configuration) → Future<JFImageProvider>
Converts an ImageProvider's settings plus an ImageConfiguration to a key that describes the precise image to load.
override
resolve(ImageConfiguration configuration) → ImageStream
Resolves this image provider using the given configuration, returning an ImageStream.
inherited
resolveStreamForKey(ImageConfiguration configuration, ImageStream stream, JFImageProvider key, ImageErrorListener handleError) → void
Called by resolve with the key returned by obtainKey.
inherited
toString() → String
A string representation of this object.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited