feat: task file manage (#196)

1. support view task file list
2. support share file on android and iOS

ui/flutter/lib/app/views/breadcrumb_view.dart

@@ -0,0 +1,59 @@
+import 'package:flutter/material.dart';
+import 'package:get/get.dart';
+
+class Breadcrumb extends StatelessWidget {
+  final List<String> items;
+  final Function(int)? onItemTap;
+  final TextStyle textStyle;
+  final TextStyle activeTextStyle;
+
+  const Breadcrumb({
+    super.key,
+    required this.items,
+    this.onItemTap,
+    this.textStyle = const TextStyle(fontSize: 16),
+    this.activeTextStyle =
+        const TextStyle(fontSize: 16, fontWeight: FontWeight.bold),
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    List<Widget> children = [];
+    for (int i = 0; i < items.length; i++) {
+      children.add(
+        GestureDetector(
+          onTap: () {
+            if (onItemTap != null) {
+              onItemTap!(i);
+            }
+          },
+          child: Text(
+            items[i],
+            style: i == items.length - 1 ? activeTextStyle : textStyle,
+          ),
+        ),
+      );
+      if (i != items.length - 1) {
+        children.add(const Text(" > "));
+      }
+    }
+    return Row(
+      children: [
+        ...(children.length == 1
+            ? children.sublist(0, 1)
+            : children.sublist(0, 2)),
+        children.length > 2
+            ? Expanded(
+                child: SingleChildScrollView(
+                  reverse: true,
+                  scrollDirection: Axis.horizontal,
+                  child: Row(
+                    children: children.sublist(2),
+                  ),
+                ),
+              )
+            : null,
+      ].where((e) => e != null).map((e) => e!).toList(),
+    ).paddingOnly(right: 12);
+  }
+}

ui/flutter/lib/app/views/buid_task_list_view.dart

@@ -1,7 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 import 'package:gopeed/api/model/meta.dart';
-import 'package:gopeed/api/model/resource.dart';
 import 'package:path/path.dart' as path;
 
 import '../../api/api.dart';
@@ -109,11 +108,16 @@ class BuildTaskListView extends GetView {
     List<Widget> buildActions() {
       final list = <Widget>[];
       if (isDone()) {
-        if (Util.isDesktop()) {
+        if (Util.isDesktop() || Util.isMobile()) {
           list.add(IconButton(
             icon: const Icon(Icons.folder_open),
-            onPressed: () async {
-              await FileExplorer.openAndSelectFile(buildExplorerUrl(task));
+            onPressed: () {
+              if (Util.isDesktop()) {
+                FileExplorer.openAndSelectFile(buildExplorerUrl(task));
+              } else {
+                Get.rootDelegate
+                    .toNamed(Routes.TASK_FILES, parameters: {'id': task.id});
+              }
             },
           ));
         }

ui/flutter/lib/app/views/directory_selector.dart

@@ -24,7 +24,7 @@ class _DirectorySelectorState extends State<DirectorySelector> {
       children: [
         Expanded(
             child: TextFormField(
-          readOnly: Util.isWeb() && !Util.isIOS() ? false : true,
+          readOnly: Util.isWeb() ? false : true,
           controller: widget.controller,
           decoration: widget.showLabel
               ? InputDecoration(