refactor: link widget

lib/screens/login.dart

@@ -52,8 +52,7 @@ class _LoginScreenState extends State<LoginScreen> {
     );
   }
 
-  Widget _buildAddItem(
-      {String text, Function onTap, WidgetBuilder screenBuilder}) {
+  Widget _buildAddItem({String text, Function onTap}) {
     return Link(
       child: Container(
         padding: EdgeInsets.symmetric(vertical: 20),
@@ -69,7 +68,6 @@ class _LoginScreenState extends State<LoginScreen> {
         ),
       ),
       onTap: onTap,
-      screenBuilder: screenBuilder,
     );
   }
 

lib/widgets/link.dart

@@ -9,33 +9,26 @@ class Link extends StatelessWidget {
   final String url;
   final WidgetBuilder screenBuilder;
   final Function onTap;
-  final Color bgColor;
   final bool material;
   final bool fullscreenDialog;
-  final Icon iconButton;
 
   Link({
     this.child,
     this.url,
     this.screenBuilder,
     this.onTap,
-    this.bgColor,
     this.material = true,
     this.fullscreenDialog = false,
-    this.iconButton,
-  })  : assert(child != null || iconButton != null),
-        assert(screenBuilder == null || url == null);
+  }) : assert(screenBuilder == null || url == null);
 
-  void _onTap(BuildContext context, int theme) {
+  void _onTap(BuildContext context) {
     if (onTap != null) {
-      onTap();
+      return onTap();
     }
-
     if (screenBuilder != null) {
-      Provider.of<ThemeModel>(context).pushRoute(context, screenBuilder,
+      return Provider.of<ThemeModel>(context).pushRoute(context, screenBuilder,
           fullscreenDialog: fullscreenDialog);
     }
-
     if (url != null) {
       launch(url);
     }
@@ -43,30 +36,21 @@ class Link extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    var theme = Provider.of<ThemeModel>(context).theme;
-
-    if (iconButton != null) {
-      return IconButton(
-        icon: iconButton,
-        onPressed: () => _onTap(context, theme),
-      );
-    }
-
     if (!material) {
       return GestureDetector(
         child: child,
-        onTap: () => _onTap(context, theme),
+        onTap: () => _onTap(context),
       );
     }
 
     return Material(
       child: Ink(
-        color: bgColor ?? Colors.white,
+        color: Colors.white,
         child: InkWell(
           child: child,
           // splashColor:
           //     theme == AppThemeType.cupertino ? Colors.transparent : null,
-          onTap: () => _onTap(context, theme),
+          onTap: () => _onTap(context),
         ),
       ),
     );

lib/widgets/notification_item.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:git_touch/models/notification.dart';
+import 'package:git_touch/models/theme.dart';
 import 'package:primer/primer.dart';
 import 'package:url_launcher/url_launcher.dart';
 import '../utils/utils.dart';
@@ -96,38 +97,34 @@ class _NotificationItemState extends State<NotificationItem> {
 
   @override
   Widget build(BuildContext context) {
-    WidgetBuilder screenBuilder;
-    Function onTap;
-
-    switch (payload.type) {
-      case 'Issue':
-      case 'PullRequest':
-        screenBuilder = (_) => IssueScreen(
-              number: payload.number,
-              owner: payload.owner,
-              name: payload.name,
-              isPullRequest: payload.type == 'PullRequest',
-            );
-        break;
-      case 'Release':
-        onTap = () {
-          launch(
-              'https://github.com/${payload.owner}/${payload.name}/releases/tag/${payload.title}');
-        };
-        break;
-      case 'Commit':
-        // TODO:
-        // onTap = () {
-        // launch('urlString');
-        // };
-        break;
-    }
-
     return Link(
-      screenBuilder: screenBuilder,
       onTap: () {
         _markAsRead();
-        if (onTap != null) onTap();
+
+        switch (payload.type) {
+          case 'Issue':
+          case 'PullRequest':
+            Provider.of<ThemeModel>(context).pushRoute(
+                context,
+                (_) => IssueScreen(
+                      number: payload.number,
+                      owner: payload.owner,
+                      name: payload.name,
+                      isPullRequest: payload.type == 'PullRequest',
+                    ));
+
+            break;
+          case 'Release':
+            launch(
+                'https://github.com/${payload.owner}/${payload.name}/releases/tag/${payload.title}');
+            break;
+          case 'Commit':
+            // TODO:
+            // onTap = () {
+            // launch('urlString');
+            // };
+            break;
+        }
       },
       child: Opacity(
         opacity: payload.unread ? 1 : 0.5,

lib/widgets/table_view.dart

@@ -103,7 +103,7 @@ class TableView extends StatelessWidget {
     );
 
     if (item.onTap == null && item.screenBuilder == null && item.url == null) {
-      return Ink(color: PrimerColors.white, child: widget);
+      return widget;
     }
     return Link(
       onTap: item.onTap,