WIP: bottom info bar as separate component

lib/main.dart

@@ -106,6 +106,7 @@ part 'pages/settings/connection_settings.part.dart';
 part 'pages/purchase.page.dart';
 part 'pages/widgets/product_purchase.widget.dart';
 part 'pages/widgets/page_loading_indicator.dart';
+part 'pages/widgets/bottom_info_bar.dart';
 part 'pages/widgets/page_loading_error.dart';
 part 'pages/panel.page.dart';
 part 'pages/main/main.page.dart';

lib/pages/main/main.page.dart

@@ -21,7 +21,9 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver, Ticker
   StreamSubscription _showPopupDialogSubscription;
   StreamSubscription _showPopupMessageSubscription;
   StreamSubscription _reloadUISubscription;
+  StreamSubscription _fullReloadSubscription;
   StreamSubscription _showPageSubscription;
+  BottomInfoBarController _bottomInfoBarController;
   int _previousViewCount;
   bool _showLoginButton = false;
   bool _preventAppRefresh = false;
@@ -46,6 +48,8 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver, Ticker
         }
     );
 
+    _bottomInfoBarController = BottomInfoBarController();
+
     _firebaseMessaging.requestNotificationPermissions(const IosNotificationSettings(sound: true, badge: true, alert: true));
 
     // initialise the plugin. app_icon needs to be a added as a drawable resource to the Android head project
@@ -91,7 +95,7 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver, Ticker
   }
 
   void _fullLoad() {
-    _showInfoBottomBar(progress: true,);
+    _bottomInfoBarController.showInfoBottomBar(progress: true,);
     _subscribe().then((_) {
       ConnectionManager().init(loadSettings: true, forceReconnect: true).then((__){
         SharedPreferences.getInstance().then((prefs) {
@@ -107,8 +111,8 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver, Ticker
   }
 
   void _quickLoad({bool uiOnly: false}) {
-    _hideBottomBar();
+    _bottomInfoBarController.hideBottomBar();
-    _showInfoBottomBar(progress: true,);
+    _bottomInfoBarController.showInfoBottomBar(progress: true,);
     ConnectionManager().init(loadSettings: false, forceReconnect: false).then((_){
       _fetchData(useCache: false, uiOnly: uiOnly);
     }, onError: (e) {
@@ -123,7 +127,7 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver, Ticker
       });
     }
     await HomeAssistant().fetchData(uiOnly).then((_) {
-      _hideBottomBar();
+      _bottomInfoBarController.hideBottomBar();
     }).catchError((e) {
       if (e is HAError) {
         _setErrorState(e);
@@ -167,6 +171,11 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver, Ticker
         _quickLoad(uiOnly: true);
       });
     }
+    if (_fullReloadSubscription == null) {
+      _fullReloadSubscription = eventBus.on<FullReloadEvent>().listen((event){
+        _fullLoad();
+      });
+    }
     if (_showPopupDialogSubscription == null) {
       _showPopupDialogSubscription = eventBus.on<ShowPopupDialogEvent>().listen((event){
         _showPopupDialog(
@@ -213,7 +222,7 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver, Ticker
 
     if (_showErrorSubscription == null) {
       _showErrorSubscription = eventBus.on<ShowErrorEvent>().listen((event){
-        _showErrorBottomBar(event.error);
+        _bottomInfoBarController.showErrorBottomBar(event.error);
       });
     }
 
@@ -245,11 +254,11 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver, Ticker
 
   _setErrorState(HAError e) {
     if (e == null) {
-      _showErrorBottomBar(
+      _bottomInfoBarController.showErrorBottomBar(
           HAError("Unknown error")
       );
     } else {
-      _showErrorBottomBar(e);
+      _bottomInfoBarController.showErrorBottomBar(e);
     }
   }
 
@@ -291,7 +300,7 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver, Ticker
   }
 
   void _notifyServiceCalled(String domain, String service, entityId) {
-    _showInfoBottomBar(
+    _bottomInfoBarController.showInfoBottomBar(
         message: "Calling $domain.$service",
         duration: Duration(seconds: 4)
     );
@@ -481,111 +490,6 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver, Ticker
     );
   }
 
-  void _hideBottomBar() {
-    //_scaffoldKey?.currentState?.hideCurrentSnackBar();
-    setState(() {
-      _showBottomBar = false;
-    });
-  }
-
-  Widget _bottomBarAction;
-  bool _showBottomBar = false;
-  String _bottomBarText;
-  bool _bottomBarProgress;
-  bool _bottomBarErrorColor;
-  Timer _bottomBarTimer;
-
-  void _showInfoBottomBar({String message, bool progress: false, Duration duration}) {
-    _bottomBarTimer?.cancel();
-    _bottomBarAction = Container(height: 0.0, width: 0.0,);
-    _bottomBarErrorColor = false;
-    setState(() {
-      _bottomBarText = message;
-      _bottomBarProgress = progress;
-      _showBottomBar = true;
-    });
-    if (duration != null) {
-      _bottomBarTimer = Timer(duration, () {
-        _hideBottomBar();
-      });
-    }
-  }
-
-  void _showErrorBottomBar(HAError error) {
-    TextStyle textStyle = Theme.of(context).textTheme.button.copyWith(
-      decoration: TextDecoration.underline
-    );
-    _bottomBarErrorColor = true;
-    List<Widget> actions = [];
-    error.actions.forEach((HAErrorAction action) {
-      switch (action.type) {
-        case HAErrorActionType.FULL_RELOAD: {
-          actions.add(FlatButton(
-            child: Text("${action.title}", style: textStyle),
-            onPressed: () {
-              _fullLoad();
-            },
-          ));
-          break;
-        }
-
-        case HAErrorActionType.QUICK_RELOAD: {
-          actions.add(FlatButton(
-            child: Text("${action.title}", style: textStyle),
-            onPressed: () {
-              _quickLoad();
-            },
-          ));
-          break;
-        }
-
-        case HAErrorActionType.RELOGIN: {
-          actions.add(FlatButton(
-            child: Text("${action.title}", style: textStyle),
-            onPressed: () {
-              ConnectionManager().logout().then((_) => _fullLoad());
-            },
-          ));
-          break;
-        }
-
-        case HAErrorActionType.URL: {
-          actions.add(FlatButton(
-            child: Text("${action.title}", style: textStyle),
-            onPressed: () {
-              Launcher.launchURLInCustomTab(context: context, url: "${action.url}");
-            },
-          ));
-          break;
-        }
-
-        case HAErrorActionType.OPEN_CONNECTION_SETTINGS: {
-          actions.add(FlatButton(
-            child: Text("${action.title}", style: textStyle),
-            onPressed: () {
-              Navigator.pushNamed(context, '/connection-settings');
-            },
-          ));
-          break;
-        }
-      }
-    });
-    if (actions.isNotEmpty) {
-      _bottomBarAction = Row(
-        mainAxisSize: MainAxisSize.min,
-        children: actions,
-        mainAxisAlignment: MainAxisAlignment.end,
-      );
-    } else {
-      _bottomBarAction = Container(height: 0.0, width: 0.0,);
-    }
-    setState(() {
-      _bottomBarProgress = false;
-      _bottomBarText = "${error.message}";
-      _showBottomBar = true;
-    });
-  }
-
   final GlobalKey<ScaffoldState> _scaffoldKey = new GlobalKey<ScaffoldState>();
 
   Widget _buildScaffoldBody(bool empty) {
@@ -765,60 +669,14 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver, Ticker
 
   @override
   Widget build(BuildContext context) {
-    Widget bottomBar;
-    if (_showBottomBar) {
-      List<Widget> bottomBarChildren = [];
-      if (_bottomBarText != null) {
-        bottomBarChildren.add(
-            Padding(
-              padding: EdgeInsets.fromLTRB(
-                  Sizes.leftWidgetPadding, Sizes.rowPadding, 0.0,
-                  Sizes.rowPadding),
-              child: Text(
-                "$_bottomBarText",
-                textAlign: TextAlign.left,
-                softWrap: true,
-              ),
-            )
-
-        );
-      }
-      if (_bottomBarProgress) {
-        bottomBarChildren.add(
-          CollectionScaleTransition(
-            children: <Widget>[
-              Icon(Icons.stop, size: 10.0, color: HAClientTheme().getOnStateColor(context),),
-              Icon(Icons.stop, size: 10.0, color: HAClientTheme().getDisabledStateColor(context),),
-              Icon(Icons.stop, size: 10.0, color: HAClientTheme().getOffStateColor(context),),
-            ],
-          ),
-        );
-      }
-      if (bottomBarChildren.isNotEmpty) {
-        bottomBar = Container(
-          color: _bottomBarErrorColor ? Theme.of(context).errorColor : Theme.of(context).primaryColorLight,
-          child: Row(
-            mainAxisSize: MainAxisSize.max,
-            children: <Widget>[
-              Expanded(
-                child: Column(
-                  crossAxisAlignment: _bottomBarProgress ? CrossAxisAlignment.center : CrossAxisAlignment.start,
-                  mainAxisSize: MainAxisSize.min,
-                  children: bottomBarChildren,
-                ),
-              ),
-              _bottomBarAction
-            ],
-          ),
-        );
-      }
-    }
     if (HomeAssistant().isNoViews) {
         return Scaffold(
             key: _scaffoldKey,
             primary: false,
             drawer: _buildAppDrawer(),
-            bottomNavigationBar: bottomBar,
+            bottomNavigationBar: BottomInfoBar(
+              controller: _bottomInfoBarController,
+            ),
             body: _buildScaffoldBody(true)
         );
       } else {
@@ -826,7 +684,9 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver, Ticker
           key: _scaffoldKey,
           drawer: _buildAppDrawer(),
           primary: false,
-          bottomNavigationBar: bottomBar,
+          bottomNavigationBar: BottomInfoBar(
+            controller: _bottomInfoBarController,
+          ),
           body: _buildScaffoldBody(false)
         );
       }
@@ -848,9 +708,8 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver, Ticker
     _showErrorSubscription?.cancel();
     _startAuthSubscription?.cancel();
     _showPageSubscription?.cancel();
+    _fullReloadSubscription?.cancel();
     _reloadUISubscription?.cancel();
-    //TODO disconnect
-    //widget.homeAssistant?.disconnect();
     super.dispose();
   }
 }

lib/pages/widgets/bottom_info_bar.dart

@@ -0,0 +1,218 @@
+part of '../../main.dart';
+
+class BottomInfoBarController {
+
+  Function show;
+  Function hide;
+
+  String bottomBarText;
+  bool bottomBarProgress;
+  bool bottomBarErrorColor;
+  Timer _bottomBarTimer;
+  bool initialState = false;
+
+  List<HAErrorAction> actions = [];
+
+  void hideBottomBar() {
+    //_scaffoldKey?.currentState?.hideCurrentSnackBar();
+    _bottomBarTimer?.cancel();
+    if (hide == null) {
+      initialState = false;
+    } else {
+      hide();
+    }
+  }
+
+  void showInfoBottomBar({String message, bool progress: false, Duration duration}) {
+    _bottomBarTimer?.cancel();
+    actions.clear();
+    bottomBarErrorColor = false;
+    bottomBarText = message;
+    bottomBarProgress = progress;
+    if (show == null) {
+      initialState = true;
+    } else {
+      Logger.d("Calling  show() - ${bottomBarProgress}");
+      show();
+    }
+    if (duration != null) {
+      _bottomBarTimer = Timer(duration, () {
+        hideBottomBar();
+      });
+    }
+  }
+
+  void showErrorBottomBar(HAError error) {
+    actions.clear();
+    actions.addAll(error.actions);
+    bottomBarErrorColor = true;
+    bottomBarProgress = false;
+    bottomBarText = "${error.message}";
+    if (show == null) {
+      initialState = true;
+    } else {
+      show();
+    }
+  }
+
+}
+
+class BottomInfoBar extends StatefulWidget {
+
+  final BottomInfoBarController controller;
+
+  const BottomInfoBar({Key key, this.controller}) : super(key: key);
+  
+  @override
+  State<StatefulWidget> createState() {
+    return new _BottomInfoBarState();
+  }
+
+}
+
+class _BottomInfoBarState extends State<BottomInfoBar> {
+
+  bool _show;
+
+  @override
+  void initState() {
+    _show = widget.controller.initialState;
+    widget.controller.show = () {
+      Logger.d('Set state in show() - ${widget.controller.bottomBarProgress}');
+      setState(() {
+        _show = true;
+      });
+    };
+    widget.controller.hide = () {
+      setState(() {
+        _show = false;
+      });
+    };
+    super.initState();
+  }
+
+
+  @override
+  Widget build(BuildContext context) {
+    if (!_show) {
+      return Container(width: 0, height: 0,);
+    } else {
+      Widget bottomBar;
+      List<Widget> bottomBarChildren = [];
+      Widget actionsWidget;
+      TextStyle textStyle = Theme.of(context).textTheme.button.copyWith(
+        decoration: TextDecoration.underline
+      );
+      List<Widget> actions = [];
+      widget.controller.actions.forEach((HAErrorAction action) {
+        switch (action.type) {
+          case HAErrorActionType.FULL_RELOAD: {
+            actions.add(FlatButton(
+              child: Text("${action.title}", style: textStyle),
+              onPressed: () {
+                Logger.d('FULL_RELOAD action');
+                EventBus().fire(FullReloadEvent());
+              },
+            ));
+            break;
+          }
+
+          case HAErrorActionType.QUICK_RELOAD: {
+            actions.add(FlatButton(
+              child: Text("${action.title}", style: textStyle),
+              onPressed: () {
+                EventBus().fire(ReloadUIEvent());
+              },
+            ));
+            break;
+          }
+
+          case HAErrorActionType.RELOGIN: {
+            actions.add(FlatButton(
+              child: Text("${action.title}", style: textStyle),
+              onPressed: () {
+                ConnectionManager().logout().then((_) => EventBus().fire(FullReloadEvent()));
+              },
+            ));
+            break;
+          }
+
+          case HAErrorActionType.URL: {
+            actions.add(FlatButton(
+              child: Text("${action.title}", style: textStyle),
+              onPressed: () {
+                Launcher.launchURLInCustomTab(context: context, url: "${action.url}");
+              },
+            ));
+            break;
+          }
+
+          case HAErrorActionType.OPEN_CONNECTION_SETTINGS: {
+            actions.add(FlatButton(
+              child: Text("${action.title}", style: textStyle),
+              onPressed: () {
+                Navigator.pushNamed(context, '/connection-settings');
+              },
+            ));
+            break;
+          }
+        }
+      });
+      if (actions.isNotEmpty) {
+        actionsWidget = Row(
+          mainAxisSize: MainAxisSize.min,
+          children: actions,
+          mainAxisAlignment: MainAxisAlignment.end,
+        );
+      } else {
+        actionsWidget = Container(height: 0.0, width: 0.0,);
+      }
+
+      if (widget.controller.bottomBarText != null) {
+        bottomBarChildren.add(
+            Padding(
+              padding: EdgeInsets.fromLTRB(
+                  Sizes.leftWidgetPadding, Sizes.rowPadding, 0.0,
+                  Sizes.rowPadding),
+              child: Text(
+                "${widget.controller.bottomBarText}",
+                textAlign: TextAlign.left,
+                softWrap: true,
+              ),
+            )
+
+        );
+      }
+      if (widget.controller.bottomBarProgress) {
+        bottomBarChildren.add(
+          CollectionScaleTransition(
+            children: <Widget>[
+              Icon(Icons.stop, size: 10.0, color: HAClientTheme().getOnStateColor(context),),
+              Icon(Icons.stop, size: 10.0, color: HAClientTheme().getDisabledStateColor(context),),
+              Icon(Icons.stop, size: 10.0, color: HAClientTheme().getOffStateColor(context),),
+            ],
+          ),
+        );
+      }
+      if (bottomBarChildren.isNotEmpty) {
+        bottomBar = Container(
+          color: widget.controller.bottomBarErrorColor ? Theme.of(context).errorColor : Theme.of(context).primaryColorLight,
+          child: Row(
+            mainAxisSize: MainAxisSize.max,
+            children: <Widget>[
+              Expanded(
+                child: Column(
+                  crossAxisAlignment: widget.controller.bottomBarProgress ? CrossAxisAlignment.center : CrossAxisAlignment.start,
+                  mainAxisSize: MainAxisSize.min,
+                  children: bottomBarChildren,
+                ),
+              ),
+              actionsWidget
+            ],
+          ),
+        );
+      }
+      return bottomBar;
+    }
+  } 
+}

lib/types/event_bus_events.dart

@@ -25,9 +25,15 @@ class RefreshDataFinishedEvent {
 }
 
 class ReloadUIEvent {
+  //TODO uiOnly bool
+
   ReloadUIEvent();
 }
 
+class FullReloadEvent {
+  FullReloadEvent();
+}
+
 class ChangeThemeEvent {
 
   final AppTheme theme;