Added Timer-Based ActiveWindow-detection

Artemis/Artemis/Artemis.csproj

@@ -670,7 +670,11 @@
     <Compile Include="Settings\OffsetSettings.cs" />
     <Compile Include="Styles\DropTargetAdorners\DropTargetMetroHighlightAdorner.cs" />
     <Compile Include="Styles\DropTargetAdorners\DropTargetMetroInsertionAdorner.cs" />
-    <Compile Include="Utilities\ActiveWindowHelper.cs" />
+    <Compile Include="Utilities\ActiveWindowDetection\ActiveWindowDetectionType.cs" />
+    <Compile Include="Utilities\ActiveWindowDetection\ActiveWindowHelper.cs" />
+    <Compile Include="Utilities\ActiveWindowDetection\EventActiveWindowDetector.cs" />
+    <Compile Include="Utilities\ActiveWindowDetection\IActiveWindowDetector.cs" />
+    <Compile Include="Utilities\ActiveWindowDetection\TimerActiveWindowDetector.cs" />
     <Compile Include="Utilities\ColorHelpers.cs" />
     <Compile Include="Utilities\Converters\JsonConverters.cs" />
     <Compile Include="Utilities\Converters\NinjectCustomConverter.cs" />

Artemis/Artemis/ArtemisBootstrapper.cs

@@ -10,6 +10,7 @@ using Artemis.DAL;
 using Artemis.InjectionModules;
 using Artemis.Settings;
 using Artemis.Utilities;
+using Artemis.Utilities.ActiveWindowDetection;
 using Artemis.Utilities.Converters;
 using Artemis.Utilities.DataReaders;
 using Artemis.ViewModels;
@@ -113,7 +114,7 @@ namespace Artemis
 
             //TODO DarthAffe 17.12.2016: Is this the right location for this?
             //TODO Move to Mainmanager and make disposable
-            ActiveWindowHelper.Initialize();
+            ActiveWindowHelper.SetActiveWindowDetectionType(SettingsProvider.Load<GeneralSettings>().ActiveWindowDetection);
         }
 
         protected override void OnExit(object sender, EventArgs e)

Artemis/Artemis/Managers/PreviewManager.cs

@@ -5,6 +5,7 @@ using Artemis.DAL;
 using Artemis.Modules.Abstract;
 using Artemis.Settings;
 using Artemis.Utilities;
+using Artemis.Utilities.ActiveWindowDetection;
 using Ninject.Extensions.Logging;
 
 namespace Artemis.Managers

Artemis/Artemis/Modules/General/GeneralProfile/GeneralProfileModel.cs

@@ -11,6 +11,7 @@ using Artemis.Events;
 using Artemis.Managers;
 using Artemis.Modules.Abstract;
 using Artemis.Utilities;
+using Artemis.Utilities.ActiveWindowDetection;
 using CSCore.CoreAudioAPI;
 using Newtonsoft.Json;
 using SpotifyAPI.Local;

Artemis/Artemis/Settings/GeneralSettings.cs

@@ -5,9 +5,11 @@ using System.Windows;
 using Artemis.DAL;
 using Artemis.Profiles.Layers.Types.AmbientLight.ScreenCapturing;
 using Artemis.Utilities;
+using Artemis.Utilities.ActiveWindowDetection;
 using Caliburn.Micro;
 using MahApps.Metro;
 using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
 using Squirrel;
 
 namespace Artemis.Settings
@@ -68,6 +70,11 @@ namespace Artemis.Settings
         [JsonProperty(DefaultValueHandling = DefaultValueHandling.Populate)]
         public string LogLevel { get; set; }
 
+        [DefaultValue(ActiveWindowDetectionType.Events)]
+        [JsonConverter(typeof(StringEnumConverter))]
+        [JsonProperty(DefaultValueHandling = DefaultValueHandling.Populate)]
+        public ActiveWindowDetectionType ActiveWindowDetection { get; set; }
+
         public Version LastRanVersion { get; set; }
 
         public void Save()
@@ -75,6 +82,7 @@ namespace Artemis.Settings
             SettingsProvider.Save(this);
 
             Logging.SetupLogging(LogLevel);
+            ActiveWindowHelper.SetActiveWindowDetectionType(ActiveWindowDetection);
             ApplyAutorun();
             ApplyTheme();
             ApplyGamestatePort();

Artemis/Artemis/Utilities/ActiveWindowDetection/ActiveWindowDetectionType.cs

@@ -0,0 +1,9 @@
+namespace Artemis.Utilities.ActiveWindowDetection
+{
+    public enum ActiveWindowDetectionType
+    {
+        Disabled = -1,
+        Events = 0,
+        Timer = 1,
+    }
+}

Artemis/Artemis/Utilities/ActiveWindowDetection/ActiveWindowHelper.cs

@@ -0,0 +1,48 @@
+namespace Artemis.Utilities.ActiveWindowDetection
+{
+    public static class ActiveWindowHelper
+    {
+        #region Properties & Fields
+
+        private static ActiveWindowDetectionType _currentDetectionType = ActiveWindowDetectionType.Disabled;
+        private static IActiveWindowDetector _activeWindowDetector;
+
+        public static string ActiveWindowProcessName => _activeWindowDetector?.ActiveWindowProcessName ?? string.Empty;
+        public static string ActiveWindowWindowTitle => _activeWindowDetector?.ActiveWindowWindowTitle ?? string.Empty;
+        public static bool MainWindowActive => ActiveWindowProcessName.Contains("Artemis");
+
+        #endregion
+
+        #region Methods
+
+        public static void Dispose()
+        {
+            _activeWindowDetector?.Dispose();
+        }
+
+        public static void SetActiveWindowDetectionType(ActiveWindowDetectionType detectionType)
+        {
+            if (detectionType == _currentDetectionType) return;
+
+            _activeWindowDetector?.Dispose();
+
+            switch (detectionType)
+            {
+                case ActiveWindowDetectionType.Events:
+                    _activeWindowDetector = new EventActiveWindowDetector();
+                    break;
+                case ActiveWindowDetectionType.Timer:
+                    _activeWindowDetector = new TimerActiveWindowDetector();
+                    break;
+                case ActiveWindowDetectionType.Disabled:
+                    _activeWindowDetector = null;
+                    break;
+            }
+
+            _activeWindowDetector?.Initialize();
+            _currentDetectionType = detectionType;
+        }
+
+        #endregion
+    }
+}

Artemis/Artemis/Utilities/ActiveWindowDetection/EventActiveWindowDetector.cs

@@ -2,9 +2,9 @@
 using System.Runtime.InteropServices;
 using System.Text;
 
-namespace Artemis.Utilities
+namespace Artemis.Utilities.ActiveWindowDetection
 {
-    public static class ActiveWindowHelper
+    public class EventActiveWindowDetector : IActiveWindowDetector
     {
         #region DLL-Imports
 
@@ -14,7 +14,7 @@ namespace Artemis.Utilities
 
         [DllImport("user32.dll")]
         private static extern IntPtr SetWinEventHook(uint eventMin, uint eventMax, IntPtr hmodWinEventProc,
-            WinEventDelegate lpfnWinEventProc, uint idProcess, uint idThread, uint dwFlags);
+                                                     WinEventDelegate lpfnWinEventProc, uint idProcess, uint idThread, uint dwFlags);
 
         [DllImport("user32.dll")]
         private static extern bool UnhookWinEvent(IntPtr hWinEventHook);
@@ -41,47 +41,46 @@ namespace Artemis.Utilities
         #region Properties & Fields
 
         // DarthAffe 17.12.2016: We need to keep a reference to this or it might get collected by the garbage collector and cause some random crashes afterwards.
-        private static WinEventDelegate _activeWindowChangedDelegate;
+        private WinEventDelegate _activeWindowChangedDelegate;
-        private static IntPtr _activeWindowEventHook;
+        private IntPtr _activeWindowEventHook;
 
-        private static WinEventDelegate _windowTitleChangedDelegate;
+        private WinEventDelegate _windowTitleChangedDelegate;
-        private static IntPtr _windowTitleEventHook;
+        private IntPtr _windowTitleEventHook;
 
-        private static WinEventDelegate _windowMinimizedChangedDelegate;
+        private WinEventDelegate _windowMinimizedChangedDelegate;
-        private static IntPtr _windowMinimizedEventHook;
+        private IntPtr _windowMinimizedEventHook;
 
-        private static IntPtr _activeWindow;
+        private IntPtr _activeWindow;
 
-        public static string ActiveWindowProcessName { get; private set; } = string.Empty;
+        public string ActiveWindowProcessName { get; private set; } = string.Empty;
-        public static string ActiveWindowWindowTitle { get; private set; } = string.Empty;
+        public string ActiveWindowWindowTitle { get; private set; } = string.Empty;
-        public static bool MainWindowActive => ActiveWindowProcessName.Contains("Artemis");
 
         #endregion
 
         #region Methods
 
-        private static void ActiveWindowChanged(IntPtr hWinEventHook, uint eventType,
+        private void ActiveWindowChanged(IntPtr hWinEventHook, uint eventType,
-            IntPtr hwnd, int idObject, int idChild, uint dwEventThread, uint dwmsEventTime)
+                                                IntPtr hwnd, int idObject, int idChild, uint dwEventThread, uint dwmsEventTime)
         {
             UpdateForWindow(hwnd);
         }
 
-        private static void WindowTitleChanged(IntPtr hWinEventHook, uint eventType,
+        private void WindowTitleChanged(IntPtr hWinEventHook, uint eventType,
-            IntPtr hwnd, int idObject, int idChild, uint dwEventThread, uint dwmsEventTime)
+                                               IntPtr hwnd, int idObject, int idChild, uint dwEventThread, uint dwmsEventTime)
         {
             if (_activeWindow == hwnd)
                 UpdateForWindow(hwnd);
         }
 
-        private static void WindowMinimizedChanged(IntPtr hWinEventHook, uint eventType,
+        private void WindowMinimizedChanged(IntPtr hWinEventHook, uint eventType,
-            IntPtr hwnd, int idObject, int idChild, uint dwEventThread, uint dwmsEventTime)
+                                                   IntPtr hwnd, int idObject, int idChild, uint dwEventThread, uint dwmsEventTime)
         {
             // DarthAffe 19.12.2016: We expect currently un-minimized windows to be active.
             // DarthAffe 19.12.2016: The result of the API-function GetActiveWindow at this moment is 'idle' so we can't use this to validate this estimation.
             UpdateForWindow(hwnd);
         }
 
-        private static void UpdateForWindow(IntPtr hwnd)
+        private void UpdateForWindow(IntPtr hwnd)
         {
             _activeWindow = hwnd;
 
@@ -89,13 +88,13 @@ namespace Artemis.Utilities
             ActiveWindowWindowTitle = GetActiveWindowTitle(hwnd) ?? string.Empty;
         }
 
-        private static string GetActiveWindowProcessName(IntPtr hwnd)
+        private string GetActiveWindowProcessName(IntPtr hwnd)
         {
             try
             {
                 uint pid;
                 GetWindowThreadProcessId(hwnd, out pid);
-                return System.Diagnostics.Process.GetProcessById((int) pid).ProcessName;
+                return System.Diagnostics.Process.GetProcessById((int)pid).ProcessName;
             }
             catch
             {
@@ -103,7 +102,7 @@ namespace Artemis.Utilities
             }
         }
 
-        private static string GetActiveWindowTitle(IntPtr hwnd)
+        private string GetActiveWindowTitle(IntPtr hwnd)
         {
             try
             {
@@ -116,7 +115,7 @@ namespace Artemis.Utilities
             }
         }
 
-        public static void Initialize()
+        public void Initialize()
         {
             try
             {
@@ -124,21 +123,21 @@ namespace Artemis.Utilities
                 {
                     _activeWindowChangedDelegate = ActiveWindowChanged;
                     _activeWindowEventHook = SetWinEventHook(EVENT_SYSTEM_FOREGROUND, EVENT_SYSTEM_FOREGROUND,
-                        IntPtr.Zero, _activeWindowChangedDelegate, 0, 0, WINEVENT_OUTOFCONTEXT);
+                                                             IntPtr.Zero, _activeWindowChangedDelegate, 0, 0, WINEVENT_OUTOFCONTEXT);
                 }
 
                 if (_windowTitleEventHook == IntPtr.Zero)
                 {
                     _windowTitleChangedDelegate = WindowTitleChanged;
                     _windowTitleEventHook = SetWinEventHook(EVENT_OBJECT_NAMECHANGE, EVENT_OBJECT_NAMECHANGE,
-                        IntPtr.Zero, _windowTitleChangedDelegate, 0, 0, WINEVENT_OUTOFCONTEXT);
+                                                            IntPtr.Zero, _windowTitleChangedDelegate, 0, 0, WINEVENT_OUTOFCONTEXT);
                 }
 
                 if (_windowMinimizedEventHook == IntPtr.Zero)
                 {
                     _windowMinimizedChangedDelegate = WindowMinimizedChanged;
                     _windowMinimizedEventHook = SetWinEventHook(EVENT_SYSTEM_MINIMIZEEND, EVENT_SYSTEM_MINIMIZEEND,
-                        IntPtr.Zero, _windowMinimizedChangedDelegate, 0, 0, WINEVENT_OUTOFCONTEXT);
+                                                                IntPtr.Zero, _windowMinimizedChangedDelegate, 0, 0, WINEVENT_OUTOFCONTEXT);
                 }
             }
             catch
@@ -147,7 +146,7 @@ namespace Artemis.Utilities
             }
         }
 
-        public static void Dispose()
+        public void Dispose()
         {
             try
             {
@@ -180,4 +179,4 @@ namespace Artemis.Utilities
 
         #endregion
     }
-}
+}

Artemis/Artemis/Utilities/ActiveWindowDetection/IActiveWindowDetector.cs

@@ -0,0 +1,12 @@
+using System;
+
+namespace Artemis.Utilities.ActiveWindowDetection
+{
+    public interface IActiveWindowDetector : IDisposable
+    {
+        string ActiveWindowProcessName { get; }
+        string ActiveWindowWindowTitle { get; }
+
+        void Initialize();
+    }
+}

Artemis/Artemis/Utilities/ActiveWindowDetection/TimerActiveWindowDetector.cs

@@ -0,0 +1,91 @@
+using System;
+using System.Runtime.InteropServices;
+using System.Text;
+using System.Timers;
+
+namespace Artemis.Utilities.ActiveWindowDetection
+{
+    public class TimerActiveWindowDetector : IActiveWindowDetector
+    {
+        #region DLL-Imports
+
+        [DllImport("user32.dll")]
+        static extern IntPtr GetForegroundWindow();
+
+        [DllImport("user32.dll")]
+        private static extern int GetWindowText(IntPtr hWnd, StringBuilder text, int count);
+
+        [DllImport("user32.dll")]
+        private static extern IntPtr GetWindowThreadProcessId(IntPtr hWnd, out uint processId);
+
+        #endregion
+
+        #region Constants
+
+        private const int TIMER_INTERVAL = 1000;
+        private const int MAX_TITLE_LENGTH = 256;
+
+        #endregion
+
+        #region Properties & Fields
+
+        private Timer _timer;
+
+        public string ActiveWindowProcessName { get; private set; }
+        public string ActiveWindowWindowTitle { get; private set; }
+
+        #endregion
+
+        #region Methods
+
+        private void TimerOnElapsed(object sender, ElapsedEventArgs elapsedEventArgs)
+        {
+            IntPtr activeWindow = GetForegroundWindow();
+            ActiveWindowProcessName = GetActiveWindowProcessName(activeWindow);
+            ActiveWindowWindowTitle = GetActiveWindowTitle(activeWindow);
+        }
+
+        private string GetActiveWindowProcessName(IntPtr hwnd)
+        {
+            try
+            {
+                uint pid;
+                GetWindowThreadProcessId(hwnd, out pid);
+                return System.Diagnostics.Process.GetProcessById((int)pid).ProcessName;
+            }
+            catch
+            {
+                return null;
+            }
+        }
+
+        private string GetActiveWindowTitle(IntPtr hwnd)
+        {
+            try
+            {
+                StringBuilder buffer = new StringBuilder(MAX_TITLE_LENGTH);
+                return GetWindowText(hwnd, buffer, MAX_TITLE_LENGTH) > 0 ? buffer.ToString() : null;
+            }
+            catch
+            {
+                return null;
+            }
+        }
+
+        public void Initialize()
+        {
+            _timer = new Timer(TIMER_INTERVAL) { AutoReset = true };
+            _timer.Elapsed += TimerOnElapsed;
+            _timer.Start();
+        }
+
+        public void Dispose()
+        {
+            _timer?.Stop();
+            _timer?.Dispose();
+            _timer = null;
+        }
+
+        #endregion
+    }
+}

Artemis/Artemis/ViewModels/Flyouts/FlyoutSettingsViewModel.cs

@@ -8,6 +8,7 @@ using Artemis.Events;
 using Artemis.Managers;
 using Artemis.Services;
 using Artemis.Settings;
+using Artemis.Utilities.ActiveWindowDetection;
 using Caliburn.Micro;
 using MahApps.Metro.Controls;
 using NLog;
@@ -37,6 +38,8 @@ namespace Artemis.ViewModels.Flyouts
             LogLevels = new BindableCollection<string>();
             LogLevels.AddRange(LogLevel.AllLoggingLevels.Select(l => l.Name));
 
+            ActiveWindowDetections = new BindableCollection<ActiveWindowDetectionType>(Enum.GetValues(typeof(ActiveWindowDetectionType)).Cast<ActiveWindowDetectionType>());
+
             PropertyChanged += KeyboardUpdater;
             mainManager.EnabledChanged += MainManagerEnabledChanged;
             mainManager.ModuleManager.EffectChanged += EffectManagerEffectChanged;
@@ -96,6 +99,7 @@ namespace Artemis.ViewModels.Flyouts
         public string VersionText => "Artemis " + Assembly.GetExecutingAssembly().GetName().Version;
 
         public BindableCollection<string> LogLevels { get; set; }
+        public BindableCollection<ActiveWindowDetectionType> ActiveWindowDetections { get; set; }
 
         public string SelectedTheme
         {
@@ -130,6 +134,17 @@ namespace Artemis.ViewModels.Flyouts
             }
         }
 
+        public ActiveWindowDetectionType SelectedActiveWindowDetection
+        {
+            get { return GeneralSettings.ActiveWindowDetection; }
+            set
+            {
+                if (value == GeneralSettings.ActiveWindowDetection) return;
+                GeneralSettings.ActiveWindowDetection = value;
+                NotifyOfPropertyChange(() => SelectedActiveWindowDetection);
+            }
+        }
+
         public string SelectedKeyboardProvider
         {
             get { return _selectedKeyboardProvider; }

Artemis/Artemis/ViewModels/ProfileEditorViewModel.cs

@@ -23,6 +23,7 @@ using Artemis.Properties;
 using Artemis.Services;
 using Artemis.Styles.DropTargetAdorners;
 using Artemis.Utilities;
+using Artemis.Utilities.ActiveWindowDetection;
 using Caliburn.Micro;
 using Castle.Components.DictionaryAdapter;
 using GongSolutions.Wpf.DragDrop;

Artemis/Artemis/Views/Flyouts/FlyoutSettingsView.xaml

@@ -6,7 +6,7 @@
              xmlns:controls="http://metro.mahapps.com/winfx/xaml/controls"
              xmlns:cal="http://www.caliburnproject.org"
              mc:Ignorable="d"
-             d:DesignHeight="600" d:DesignWidth="300">
+             d:DesignHeight="600" d:DesignWidth="310">
     <Grid>
         <Grid.ColumnDefinitions>
             <ColumnDefinition Width="Auto" />
@@ -25,6 +25,7 @@
             <RowDefinition Height="Auto" />
             <RowDefinition Height="Auto" />
             <RowDefinition Height="Auto" />
+            <RowDefinition Height="Auto" />
             <RowDefinition Height="*" />
         </Grid.RowDefinitions>
 
@@ -94,30 +95,36 @@
         <controls:NumericUpDown Grid.Row="8" Grid.Column="1" Margin="10" VerticalAlignment="Center"
                                 HorizontalAlignment="Right" Width="140" Minimum="1" Maximum="60"
                                 Value="{Binding Path=GeneralSettings.ScreenCaptureFPS, Mode=TwoWay}" />
-
+        
-        <!-- Logging -->
         <Label Grid.Row="9" Grid.Column="0" Margin="5" VerticalAlignment="Center" HorizontalAlignment="Left"
-               Content="Log level:" />
+               Content="Active window detection" />
-        <ComboBox Grid.Row="9" Grid.Column="1" x:Name="LogLevels" Margin="10" VerticalAlignment="Center"
+        <ComboBox Grid.Row="9" Grid.Column="1" x:Name="ActiveWindowDetections" Margin="10" VerticalAlignment="Center"
                   HorizontalAlignment="Right"
                   Width="140" />
-        <Button Grid.Row="10" Grid.Column="0" Margin="10" x:Name="ShowLogs" Content="Show logs"
+
+        <!-- Logging -->
+        <Label Grid.Row="10" Grid.Column="0" Margin="5" VerticalAlignment="Center" HorizontalAlignment="Left"
+               Content="Log level:" />
+        <ComboBox Grid.Row="10" Grid.Column="1" x:Name="LogLevels" Margin="10" VerticalAlignment="Center"
+                  HorizontalAlignment="Right"
+                  Width="140" />
+        <Button Grid.Row="11" Grid.Column="0" Margin="10" x:Name="ShowLogs" Content="Show logs"
                 VerticalAlignment="Center" Width="100" HorizontalAlignment="Left"
                 Style="{DynamicResource SquareButtonStyle}" />
-        <Button Grid.Row="10" Grid.Column="1" Margin="10" x:Name="ShowDebug" Content="Show debugger"
+        <Button Grid.Row="11" Grid.Column="1" Margin="10" x:Name="ShowDebug" Content="Show debugger"
                 VerticalAlignment="Center" Width="100" HorizontalAlignment="Right"
                 Style="{DynamicResource SquareButtonStyle}" />
 
         <!-- Buttons -->
-        <Button Grid.Row="11" Grid.Column="0" Margin="10" x:Name="ResetSettings" Content="Reset settings"
+        <Button Grid.Row="12" Grid.Column="0" Margin="10" x:Name="ResetSettings" Content="Reset settings"
                 VerticalAlignment="Center" HorizontalAlignment="Left" Width="100"
                 Style="{DynamicResource SquareButtonStyle}" />
-        <Button Grid.Row="11" Grid.Column="1" Margin="11" x:Name="SaveSettings" Content="Save changes"
+        <Button Grid.Row="12" Grid.Column="1" Margin="11" x:Name="SaveSettings" Content="Save changes"
                 VerticalAlignment="Center" HorizontalAlignment="Right" Width="100"
                 Style="{DynamicResource SquareButtonStyle}" />
 
         <!-- Version -->
-        <Grid Grid.Row="12" Grid.Column="0" Grid.ColumnSpan="2" Margin="10" VerticalAlignment="Bottom">
+        <Grid Grid.Row="13" Grid.Column="0" Grid.ColumnSpan="2" Margin="10" VerticalAlignment="Bottom">
             <Grid.ColumnDefinitions>
                 <ColumnDefinition Width="*" />
                 <ColumnDefinition Width="*" />