shenlong-tanwen
57 lines
1.3 KiB
Dart
57 lines
1.3 KiB
Dart
import 'dart:async';
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import 'dart:io';
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enum DeviceAssetRequestStatus {
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preparing,
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downloading,
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success,
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failed,
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}
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class DeviceAssetDownloadHandler {
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DeviceAssetDownloadHandler() : stream = const Stream.empty() {
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assert(
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Platform.isIOS || Platform.isMacOS,
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'$runtimeType should only be used on iOS or macOS.',
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);
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}
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/// A stream that provides information about the download status and progress of the asset being downloaded.
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Stream<DeviceAssetDownloadState> stream;
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}
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class DeviceAssetDownloadState {
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final double progress;
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final DeviceAssetRequestStatus status;
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const DeviceAssetDownloadState({
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required this.progress,
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required this.status,
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});
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DeviceAssetDownloadState copyWith({
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double? progress,
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DeviceAssetRequestStatus? status,
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}) {
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return DeviceAssetDownloadState(
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progress: progress ?? this.progress,
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status: status ?? this.status,
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);
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}
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@override
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String toString() {
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return 'DeviceAssetDownloadState(progress: $progress, status: $status)';
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}
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@override
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bool operator ==(covariant DeviceAssetDownloadState other) {
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return other.progress == progress && other.status == status;
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}
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@override
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int get hashCode {
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return progress.hashCode ^ status.hashCode;
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}
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}
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