properly(hopefully) handle app termination and suspension

PomoTime/App.xaml.cs

@@ -7,6 +7,7 @@ using Windows.ApplicationModel;
 using Windows.ApplicationModel.Activation;
 using Windows.Foundation;
 using Windows.Foundation.Collections;
+using Windows.Storage;
 using Windows.UI.Xaml;
 using Windows.UI.Xaml.Controls;
 using Windows.UI.Xaml.Controls.Primitives;
@@ -22,6 +23,8 @@ namespace PomoTime
     /// </summary>
     sealed partial class App : Application
     {
+        public RunningState RunningState = new RunningState();
+
         /// <summary>
         /// Initializes the singleton application object.  This is the first line of authored code
         /// executed, and as such is the logical equivalent of main() or WinMain().
@@ -50,9 +53,18 @@ namespace PomoTime
 
                 rootFrame.NavigationFailed += OnNavigationFailed;
 
-                if (e.PreviousExecutionState == ApplicationExecutionState.Terminated)
+                if (e.PreviousExecutionState == ApplicationExecutionState.Terminated 
+                    || e.PreviousExecutionState == ApplicationExecutionState.ClosedByUser)
                 {
-                    //TODO: Load state from previously suspended application
+                    ApplicationDataContainer localSettings = Windows.Storage.ApplicationData.Current.LocalSettings;
+                    if (localSettings.Values["MinutesLeft"] != null)
+                    {
+                        RunningState.MinutesLeft = (int)localSettings.Values["MinutesLeft"];
+                        RunningState.SecondsLeft = (int)localSettings.Values["SecondsLeft"];
+                        RunningState.IsRunning = (bool)localSettings.Values["IsRunning"];
+                        RunningState.PreviousShortBreaks = (int)localSettings.Values["PreviousShortBreaks"];
+                        RunningState.CurrentPeriod = (Period)localSettings.Values["CurrentPeriod"];
+                    }
                 }
 
                 // Place the frame in the current Window
@@ -66,7 +78,7 @@ namespace PomoTime
                     // When the navigation stack isn't restored navigate to the first page,
                     // configuring the new page by passing required information as a navigation
                     // parameter
-                    rootFrame.Navigate(typeof(MainPage), e.Arguments);
+                    rootFrame.Navigate(typeof(MainPage), RunningState);
                 }
                 // Ensure the current window is active
                 Window.Current.Activate();

PomoTime/MainPage.xaml.cs

@@ -66,6 +66,7 @@ namespace PomoTime
 
             Application.Current.Suspending += OnSuspending;
             Application.Current.Resuming += OnResuming;
+
             this.Loaded += MainPageLoaded;
 
             ApplicationDataContainer roamingSettings = Windows.Storage.ApplicationData.Current.RoamingSettings;
@@ -104,9 +105,6 @@ namespace PomoTime
                 BreakMinutes = DefaultBreakMinutes;
                 LongBreakMinutes = DefaultLongBreakMinutes;
             }
-            MainViewRunningState.MinutesLeft = WorkMinutes;
-            MainViewRunningState.SecondsLeft = 0;
-
         }
 
         void timer_Tick()
@@ -280,18 +278,26 @@ namespace PomoTime
             minutes["LongBreakMinutes"] = LongBreakMinutes;
             roamingSettings.Values["Minutes"] = minutes;
 
+            ApplicationDataContainer localSettings = Windows.Storage.ApplicationData.Current.LocalSettings;
             SuspendTime = DateTime.Now;
+            localSettings.Values["SuspendTime"] = SuspendTime.Ticks;
+            localSettings.Values["MinutesLeft"] = MainViewRunningState.MinutesLeft;
+            localSettings.Values["SecondsLeft"] = MainViewRunningState.SecondsLeft;
+            localSettings.Values["IsRunning"] = MainViewRunningState.IsRunning;
+            localSettings.Values["PreviousShortBreaks"] = MainViewRunningState.PreviousShortBreaks;
+            localSettings.Values["CurrentPeriod"] = (int)MainViewRunningState.CurrentPeriod;
+
             deferral.Complete();
         }
 
-        private void OnResuming(object sender, Object e)
+        private void FastForwardTime(DateTime since)
         {
-            TimeSpan TimeFromSuspend = DateTime.Now - SuspendTime;
+            TimeSpan TimeFromSuspend = DateTime.Now - since;
-            if(!MainViewRunningState.IsRunning)
+            if (!MainViewRunningState.IsRunning)
             {
                 return;
             }
-            if(TimeFromSuspend.TotalSeconds >= MainViewRunningState.MinutesLeft * 60 + MainViewRunningState.SecondsLeft)
+            if (TimeFromSuspend.TotalSeconds >= MainViewRunningState.MinutesLeft * 60 + MainViewRunningState.SecondsLeft)
             {
                 MainViewRunningState.IsRunning = false;
                 MainViewRunningState.MinutesLeft = 0;
@@ -299,7 +305,7 @@ namespace PomoTime
                 return;
             }
 
-            if(TimeFromSuspend.Seconds > MainViewRunningState.SecondsLeft)
+            if (TimeFromSuspend.Seconds > MainViewRunningState.SecondsLeft)
             {
                 MainViewRunningState.MinutesLeft -= TimeFromSuspend.Minutes + 1;
                 MainViewRunningState.SecondsLeft = MainViewRunningState.SecondsLeft + 60 - TimeFromSuspend.Seconds;
@@ -308,6 +314,15 @@ namespace PomoTime
 
             MainViewRunningState.MinutesLeft -= TimeFromSuspend.Minutes;
             MainViewRunningState.SecondsLeft -= TimeFromSuspend.Seconds;
+
+        }
+
+        private void OnResuming(object sender, Object e)
+        {
+            ApplicationDataContainer localSettings = Windows.Storage.ApplicationData.Current.LocalSettings;
+            SuspendTime = new DateTime((long)localSettings.Values["SuspendTime"]);
+
+            FastForwardTime(SuspendTime);
         }
 
         private void MainPageLoaded(object sender, RoutedEventArgs e)
@@ -321,5 +336,18 @@ namespace PomoTime
                          });
             }, TimeSpan.FromSeconds(1));
         }
+
+        protected override void OnNavigatedTo(NavigationEventArgs e)
+        {
+            base.OnNavigatedTo(e);
+
+            MainViewRunningState = (RunningState)e.Parameter;
+
+            ApplicationDataContainer localSettings = Windows.Storage.ApplicationData.Current.LocalSettings;
+            SuspendTime = new DateTime((long)localSettings.Values["SuspendTime"]);
+
+            FastForwardTime(SuspendTime);
+        }
+
     }
 }

PomoTime/Package.appxmanifest

@@ -9,7 +9,7 @@
   <Identity
     Name="44844StepanUsatyuk.PomoTime"
     Publisher="CN=D7EE55C2-4D4B-40F8-8EE5-CC4CEBCE2133"
-    Version="1.0.1.0" />
+    Version="1.0.2.0" />
 
   <mp:PhoneIdentity PhoneProductId="4d8bddac-8ab7-4c19-b3c7-7b5a27b87594" PhonePublisherId="00000000-0000-0000-0000-000000000000"/>
 

PomoTime/PomoTime.csproj

@@ -18,7 +18,7 @@
     <ProjectTypeGuids>{A5A43C5B-DE2A-4C0C-9213-0A381AF9435A};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <WindowsXamlEnableOverview>true</WindowsXamlEnableOverview>
     <AppxPackageSigningEnabled>True</AppxPackageSigningEnabled>
-    <PackageCertificateThumbprint>037FCF0D18772F50AACCB9F3A4F9061066C3F0CB</PackageCertificateThumbprint>
+    <PackageCertificateThumbprint>5805544F843D1A5B2C86CA0F6C5FB14BC9E5DA32</PackageCertificateThumbprint>
     <GenerateAppInstallerFile>False</GenerateAppInstallerFile>
     <AppxPackageSigningTimestampDigestAlgorithm>SHA256</AppxPackageSigningTimestampDigestAlgorithm>
     <AppxAutoIncrementPackageRevision>True</AppxAutoIncrementPackageRevision>