WebAssetSourceHandler class

Handles installation of models from Flutter assets on web platform

On web, Flutter assets are served by the web server at paths like:

  • assets/models/gemma.task
  • assets/lora/weights.bin

This handler:

  1. Registers the asset URL with WebFileSystemService
  2. Saves metadata to ModelRepository
  3. MediaPipe loads directly from the URL (no file copy)

Features:

  • No file copying (web has no local file system)
  • Direct URL registration for MediaPipe
  • Simulated progress for UX consistency
  • Instant "installation" (assets already bundled)

Platform: Web only

Implemented types

Constructors

WebAssetSourceHandler({required WebFileSystemService fileSystem, required ModelRepository repository})

Properties

fileSystem → WebFileSystemService
final
hashCode → int
The hash code for this object.
no setterinherited
repository → ModelRepository
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

Methods

install(ModelSource source, {CancelToken? cancelToken}) → Future<void>
Installs the model from the given source
override
installWithProgress(ModelSource source, {CancelToken? cancelToken}) → Stream<int>
Installs the model with progress tracking
override
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
supports(ModelSource source) → bool
Checks if this handler supports the given source type
override
supportsResume(ModelSource source) → bool
Checks if this source supports resume after interruption
override
toString() → String
A string representation of this object.
inherited

Operators

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