Ready to implement call system

lib/ui/routes/main_route/tablet_route.dart

@@ -1,5 +1,6 @@
 import 'package:comunic/ui/dialogs/screen_dialog.dart';
 import 'package:comunic/ui/routes/main_route/main_route.dart';
+import 'package:comunic/ui/widgets/tablet_mode/calls/calls_area.dart';
 import 'package:comunic/ui/widgets/tablet_mode/conversations/conversations_area_widget.dart';
 import 'package:comunic/ui/widgets/tablet_mode/current_user_panel.dart';
 import 'package:comunic/ui/widgets/tablet_mode/global_search_field.dart';
@@ -20,6 +21,7 @@ class TabletRoute extends StatefulWidget implements MainRoute {
 
 class _TabletRouteState extends MainController {
   final _conversationsKey = GlobalKey<ConversationsAreaWidgetState>();
+  final _callsKey = GlobalKey<CallsAreaState>();
 
   @override
   Widget build(BuildContext context) {
@@ -38,7 +40,8 @@ class _TabletRouteState extends MainController {
             right: 0,
             bottom: 0,
             child: ConversationsAreaWidget(key: _conversationsKey),
-          )
+          ),
+          CallsArea(key: _callsKey),
         ],
       );
 
@@ -101,9 +104,7 @@ class _TabletRouteState extends MainController {
   }
 
   @override
-  void startCall(int convID) {
+  void startCall(int convID) => _callsKey.currentState.openCall(convID);
-    // TODO: implement startCall
-  }
 
   @override
   void doPopPage() {

lib/ui/widgets/tablet_mode/calls/calls_area.dart

@@ -0,0 +1,26 @@
+import 'package:comunic/utils/intl_utils.dart';
+import 'package:comunic/utils/ui_utils.dart';
+import 'package:flutter/material.dart';
+
+/// Tablets mode calls area
+///
+/// @author Pierre Hubert
+
+class CallsArea extends StatefulWidget {
+  const CallsArea({Key key}) : super(key: key);
+
+  @override
+  CallsAreaState createState() => CallsAreaState();
+}
+
+class CallsAreaState extends State<CallsArea> {
+  @override
+  Widget build(BuildContext context) {
+    return Stack();
+  }
+
+  /// Open a new call
+  void openCall(int convID) {
+    showSimpleSnack(context, tr("Open call $convID"));
+  }
+}

lib/ui/widgets/tablet_mode/conversations/conversation_window.dart

@@ -2,6 +2,7 @@ import 'package:comunic/helpers/conversations_helper.dart';
 import 'package:comunic/helpers/events_helper.dart';
 import 'package:comunic/models/conversation.dart';
 import 'package:comunic/ui/dialogs/screen_dialog.dart';
+import 'package:comunic/ui/routes/main_route/main_route.dart';
 import 'package:comunic/ui/routes/update_conversation_route.dart';
 import 'package:comunic/ui/screens/conversation_members_screen.dart';
 import 'package:comunic/ui/screens/conversation_screen.dart';
@@ -16,7 +17,7 @@ import 'package:flutter/material.dart';
 ///
 /// @author Pierre Hubert
 
-enum _Actions { OPEN_MEMBERS, OPEN_SETTINGS }
+enum _Actions { START_CALL, OPEN_MEMBERS, OPEN_SETTINGS }
 
 class ConversationWindow extends StatefulWidget {
   final int convID;
@@ -127,6 +128,13 @@ class _ConversationWindowState extends SafeState<ConversationWindow> {
       action: <Widget>[
         PopupMenuButton<_Actions>(
           itemBuilder: (c) => [
+            // Start a new call
+            PopupMenuItem(
+              child: Text(tr("Start call")),
+              value: _Actions.START_CALL,
+              enabled: _conversation.callCapabilities != CallCapabilities.NONE,
+            ),
+
             // Show the list of members
             PopupMenuItem(
               child: Text(tr("Members")),
@@ -151,6 +159,10 @@ class _ConversationWindowState extends SafeState<ConversationWindow> {
 
   void _menuCallback(_Actions value) {
     switch (value) {
+      case _Actions.START_CALL:
+        MainController.of(context).startCall(_convID);
+        break;
+
       case _Actions.OPEN_MEMBERS:
         _openMembersList();
         break;