131 lines
3.8 KiB
Dart
131 lines
3.8 KiB
Dart
import 'package:flutter/services.dart';
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class FlutterAliDownloader {
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MethodChannel _methodChannel = MethodChannel("plugins.flutter_alidownload");
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EventChannel _eventChannel =
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EventChannel("plugins.flutter_alidownload_event");
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Stream<dynamic>? _receiveStream;
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FlutterAliDownloader.init() {
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_receiveStream = _eventChannel.receiveBroadcastStream();
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//TODO iOS必须在这里监听 才能回调
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_eventChannel.receiveBroadcastStream().listen(_onEvent, onError: _onError);
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}
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/// 准备下载
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///type {FlutterAvpdef.DOWNLOADTYPE_STS / FlutterAvpdef.DOWNLOADTYPE_AUTH}
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///STS {vid,accessKeyId,accessKeySecret,securityToken}
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///AUTH {vid,playAuth}
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Future<dynamic> prepare(String type, String vid,
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{int? index,
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String? region,
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String? accessKeyId,
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String? accessKeySecret,
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String? securityToken,
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String? playAuth}) async {
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var map = {
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'type': type,
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'vid': vid,
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'index': index,
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'region': region,
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'accessKeyId': accessKeyId,
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'accessKeySecret': accessKeySecret,
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'securityToken': securityToken,
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'playAuth': playAuth
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};
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return _methodChannel.invokeMethod("prepare", map);
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}
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/// 开始下载
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Stream<dynamic>? start(String vid, int index) {
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var map = {'vid': vid, 'index': index};
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_methodChannel.invokeMethod("start", map);
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return _receiveStream;
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}
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/// 设置下载的trackIndex
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Future<dynamic> selectItem(String vid, int index) {
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var map = {'vid': vid, 'index': index};
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return _methodChannel.invokeMethod("selectItem", map);
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}
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/// 设置下载的保存路径
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void setSaveDir(String path) {
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_methodChannel.invokeMethod("setSaveDir", path);
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}
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// iOS获取下载完成后保存的文件全路径
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// savePath：监听下载完成方法中EventChanneldef.DOWNLOAD_COMPLETION获取的'savePath'值
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Future<dynamic> getFullSaveForIOS(String savePath) {
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return _methodChannel.invokeMethod("getFullSaveDir", savePath);
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}
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/// 停止下载
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Future<dynamic> stop(String vid, int index) {
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var map = {'vid': vid, 'index': index};
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return _methodChannel.invokeMethod("stop", map);
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}
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/// 删除下载文件
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Future<dynamic> delete(String vid, int index) {
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var map = {'vid': vid, 'index': index};
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return _methodChannel.invokeMethod("delete", map);
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}
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/// 获取下载文件路径
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Future<dynamic> getFilePath(String vid, int index) {
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var map = {'vid': vid, 'index': index};
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return _methodChannel.invokeMethod("getFilePath", map);
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}
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/// 销毁下载对象
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Future<dynamic> release(String vid, int index) {
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var map = {'vid': vid, 'index': index};
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return _methodChannel.invokeMethod("release", map);
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}
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/// 鉴权过期，更新下载源信息
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Future<dynamic> updateSource(String type, String vid, String index,
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{String? region,
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String? accessKeyId,
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String? accessKeySecret,
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String? securityToken,
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String? playAuth}) {
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var map = {
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'type': type,
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'vid': vid,
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'index': index,
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'region': region,
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'accessKeyId': accessKeyId,
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'accessKeySecret': accessKeySecret,
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'securityToken': securityToken,
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'playAuth': playAuth
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};
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return _methodChannel.invokeMethod("updateSource", map);
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}
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/// 设置下载config
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Future<dynamic> setDownloaderConfig(String vid, String index,
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{String? userAgent,
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String? referrer,
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String? httpProxy,
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int? connectTimeoutS,
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int? networkTimeoutMs}) {
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var map = {
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'vid': vid,
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'index': index,
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'UserAgent': userAgent,
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'Referrer': referrer,
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'HttpProxy': httpProxy,
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'ConnectTimeoutS': connectTimeoutS,
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'NetworkTimeoutMs': networkTimeoutMs
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};
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return _methodChannel.invokeMethod("setDownloaderConfig", map);
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}
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void _onEvent(dynamic event) {}
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void _onError(dynamic error) {}
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}
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