feat: Implement discover groups page

lib/components/default_app_bar_search_field.dart

@@ -0,0 +1,54 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_gen/gen_l10n/l10n.dart';
+
+class DefaultAppBarSearchField extends StatelessWidget {
+  final TextEditingController searchController;
+  final void Function(String) onChanged;
+  final Widget suffix;
+
+  const DefaultAppBarSearchField({
+    Key key,
+    this.searchController,
+    this.onChanged,
+    this.suffix,
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    final focusNode = FocusNode();
+    return Container(
+      height: 40,
+      padding: EdgeInsets.only(right: 16),
+      child: Material(
+        color: Theme.of(context).secondaryHeaderColor,
+        borderRadius: BorderRadius.circular(32),
+        child: TextField(
+          autocorrect: false,
+          controller: searchController,
+          onChanged: onChanged,
+          focusNode: focusNode,
+          decoration: InputDecoration(
+            contentPadding: EdgeInsets.only(
+              top: 8,
+              bottom: 8,
+              left: 16,
+            ),
+            border: OutlineInputBorder(
+              borderRadius: BorderRadius.circular(32),
+            ),
+            hintText: L10n.of(context).searchForAChat,
+            suffixIcon: focusNode.hasFocus
+                ? IconButton(
+                    icon: Icon(Icons.backspace_outlined),
+                    onPressed: () {
+                      searchController.clear();
+                      focusNode.unfocus();
+                    },
+                  )
+                : suffix,
+          ),
+        ),
+      ),
+    );
+  }
+}

lib/components/default_drawer.dart

@@ -0,0 +1,104 @@
+import 'package:adaptive_dialog/adaptive_dialog.dart';
+import 'package:famedlysdk/famedlysdk.dart';
+import 'package:fluffychat/utils/app_route.dart';
+import 'package:fluffychat/views/archive.dart';
+import 'package:fluffychat/views/discover_view.dart';
+import 'package:fluffychat/views/new_group.dart';
+import 'package:fluffychat/views/new_private_chat.dart';
+import 'package:fluffychat/views/settings.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_gen/gen_l10n/l10n.dart';
+
+import 'dialogs/simple_dialogs.dart';
+import 'matrix.dart';
+
+class DefaultDrawer extends StatelessWidget {
+  void _drawerTapAction(BuildContext context, Widget view) {
+    Navigator.of(context).pop();
+    Navigator.of(context).pushAndRemoveUntil(
+      AppRoute.defaultRoute(
+        context,
+        view,
+      ),
+      (r) => r.isFirst,
+    );
+  }
+
+  void _setStatus(BuildContext context) async {
+    Navigator.of(context).pop();
+    final input = await showTextInputDialog(
+      title: L10n.of(context).setStatus,
+      context: context,
+      textFields: [
+        DialogTextField(
+          hintText: L10n.of(context).statusExampleMessage,
+        )
+      ],
+    );
+    if (input == null || input.single.isEmpty) return;
+    final client = Matrix.of(context).client;
+    await SimpleDialogs(context).tryRequestWithLoadingDialog(
+      client.sendPresence(
+        client.userID,
+        PresenceType.online,
+        statusMsg: input.single,
+      ),
+    );
+    return;
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Drawer(
+      child: SafeArea(
+        child: ListView(
+          padding: EdgeInsets.zero,
+          children: <Widget>[
+            ListTile(
+              leading: Icon(Icons.edit_outlined),
+              title: Text(L10n.of(context).setStatus),
+              onTap: () => _setStatus(context),
+            ),
+            Divider(height: 1),
+            ListTile(
+              leading: Icon(Icons.people_outline),
+              title: Text(L10n.of(context).createNewGroup),
+              onTap: () => _drawerTapAction(context, NewGroupView()),
+            ),
+            ListTile(
+              leading: Icon(Icons.person_add_outlined),
+              title: Text(L10n.of(context).newPrivateChat),
+              onTap: () => _drawerTapAction(context, NewPrivateChatView()),
+            ),
+            Divider(height: 1),
+            ListTile(
+              leading: Icon(Icons.archive_outlined),
+              title: Text(L10n.of(context).archive),
+              onTap: () => _drawerTapAction(
+                context,
+                Archive(),
+              ),
+            ),
+            ListTile(
+              leading: Icon(Icons.group_work_outlined),
+              title: Text(L10n.of(context).discoverGroups),
+              onTap: () => _drawerTapAction(
+                context,
+                DiscoverView(),
+              ),
+            ),
+            Divider(height: 1),
+            ListTile(
+              leading: Icon(Icons.settings_outlined),
+              title: Text(L10n.of(context).settings),
+              onTap: () => _drawerTapAction(
+                context,
+                SettingsView(),
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}