Split sample project up

2021-02-09 17:11:24 +00:00
parent d8581f33e7
commit aa16180509
71 changed files with 460 additions and 274 deletions
@@ -0,0 +1,200 @@
+using NotificationFlyout.Wpf.UI.Extensions;
+using System;
+using System.Runtime.InteropServices;
+using System.Windows;
+using System.Windows.Input;
+using System.Windows.Interop;
+
+namespace NotificationFlyout.Wpf.UI.Helpers
+{
+    public class NotificationIconHelper : IDisposable
+    {
+        private const int CallbackMessage = 0x400;
+        private const uint IconVersion = 0x4;
+
+        private readonly object _lock = new();
+        private readonly IntPtr _windowHandle;
+        private bool _isDisposed;
+        private NotifyIconData _notifyIconData;
+
+        private NotificationIconHelper(Window window)
+        {
+            _windowHandle = window.GetHandle();
+
+            var source = HwndSource.FromHwnd(_windowHandle);
+            source.AddHook(new HwndSourceHook(WndProc));
+
+            CreateNotificationIcon();
+        }
+
+
+        ~NotificationIconHelper()
+        {
+            Dispose(false);
+        }
+
+        public event EventHandler<NotificationIconInvokedEventArgs> IconInvoked;
+
+        private enum NotifyIconBalloonType
+        {
+            None = 0x00,
+            Info = 0x01,
+            Warning = 0x02,
+            Error = 0x03,
+            User = 0x04,
+            NoSound = 0x10,
+            LargeIcon = 0x20,
+            RespectQuietTime = 0x80
+        }
+
+        private enum NotifyIconCommand : uint
+        {
+            Add = 0x0,
+            Delete = 0x2,
+            Modify = 0x1,
+            SetVersion = 0x4
+        }
+
+        [Flags]
+        private enum NotifyIconDataMember : uint
+        {
+            Message = 0x01,
+            Icon = 0x02,
+            Tip = 0x04,
+            State = 0x08,
+            Info = 0x10,
+            Realtime = 0x40,
+            UseLegacyToolTips = 0x80
+        }
+
+        private enum NotifyIconState : uint
+        {
+            Visible = 0x00,
+            Hidden = 0x01
+        }
+
+        public static NotificationIconHelper Create(Window window)
+        {
+            return new NotificationIconHelper(window);
+        }
+
+        public void Dispose()
+        {
+            Dispose(true);
+            GC.SuppressFinalize(this);
+        }
+
+        public void SetIcon(IntPtr iconHandle)
+        {
+            lock (_lock)
+            {
+                _notifyIconData.IconHandle = iconHandle;
+                WriteNotifyIconData(NotifyIconCommand.Modify, NotifyIconDataMember.Icon);
+            }
+        }
+
+        [DllImport("user32.dll", SetLastError = true)]
+        private static extern IntPtr DefWindowProcW(IntPtr handle, uint msg, IntPtr wParam, IntPtr lParam);
+
+        [DllImport("shell32.dll", SetLastError = true)]
+        private static extern int Shell_NotifyIcon(NotifyIconCommand notifyCommand, ref NotifyIconData notifyIconData);
+
+        private void CreateNotificationIcon()
+        {
+            lock (_lock)
+            {
+                _notifyIconData = new NotifyIconData();
+
+                _notifyIconData.cbSize = (uint)Marshal.SizeOf(_notifyIconData);
+                _notifyIconData.WindowHandle = _windowHandle;
+                _notifyIconData.TaskbarIconId = 0x0;
+                _notifyIconData.CallbackMessageId = CallbackMessage;
+                _notifyIconData.VersionOrTimeout = IconVersion;
+
+                _notifyIconData.IconHandle = IntPtr.Zero;
+
+                _notifyIconData.IconState = NotifyIconState.Hidden;
+                _notifyIconData.StateMask = NotifyIconState.Hidden;
+
+                WriteNotifyIconData(NotifyIconCommand.Add, NotifyIconDataMember.Message | NotifyIconDataMember.Icon | NotifyIconDataMember.Tip);
+            }
+        }
+
+        private void Dispose(bool disposing)
+        {
+            if (_isDisposed || !disposing) return;
+
+            lock (_lock)
+            {
+                _isDisposed = true;
+                RemoveNotificationIcon();
+            }
+        }
+
+        private void InvokeIconInvoked(MouseButton mouseButton)
+        {
+            IconInvoked?.Invoke(this, new NotificationIconInvokedEventArgs { MouseButton = mouseButton });
+        }
+
+        private void RemoveNotificationIcon() => WriteNotifyIconData(NotifyIconCommand.Delete, NotifyIconDataMember.Message);
+
+        private IntPtr WndProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
+        {
+            if (msg == CallbackMessage)
+            {
+                switch ((uint)lParam)
+                {
+                    case (uint)WndProcMessages.WM_LBUTTONUP:
+                        InvokeIconInvoked(MouseButton.Left);
+                        break;
+                    case (uint)WndProcMessages.WM_MBUTTONUP:
+                        InvokeIconInvoked(MouseButton.Middle);
+                        break;
+                    case (uint)WndProcMessages.WM_RBUTTONUP:
+                        InvokeIconInvoked(MouseButton.Right);
+                        break;
+                }
+            }
+
+            return DefWindowProcW(hwnd, (uint)msg, wParam, (lParam));
+        }
+
+        private void WriteNotifyIconData(NotifyIconCommand command, NotifyIconDataMember flags)
+        {
+            _notifyIconData.ValidMembers = flags;
+            lock (_lock)
+            {
+                Shell_NotifyIcon(command, ref _notifyIconData);
+            }
+        }
+
+        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
+        private struct NotifyIconData
+        {
+            public uint cbSize;
+            public IntPtr WindowHandle;
+            public uint TaskbarIconId;
+            public NotifyIconDataMember ValidMembers;
+            public uint CallbackMessageId;
+            public IntPtr IconHandle;
+
+            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 128)]
+            public string ToolTipText;
+
+            public NotifyIconState IconState;
+            public NotifyIconState StateMask;
+
+            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 256)]
+            public string BalloonText;
+
+            public uint VersionOrTimeout;
+
+            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 64)]
+            public string BalloonTitle;
+
+            public NotifyIconBalloonType BalloonFlags;
+            public Guid TaskbarIconGuid;
+            public IntPtr CustomBalloonIconHandle;
+        }
+    }
+}
@@ -0,0 +1,10 @@
+using System;
+using System.Windows.Input;
+
+namespace NotificationFlyout.Wpf.UI.Helpers
+{
+    public class NotificationIconInvokedEventArgs : EventArgs
+    {
+        public MouseButton MouseButton { get; internal set; }
+    }
+}
@@ -0,0 +1,44 @@
+using Microsoft.Windows.Sdk;
+using System.Reflection;
+using System.Runtime.InteropServices;
+using System.Windows;
+
+namespace NotificationFlyout.Wpf.UI.Helpers
+{
+    public static class SystemInformationHelper
+    {
+        private const int SM_CXSCREEN = 0;
+        private const int SM_CYSCREEN = 1;
+        private const int SPI_GETWORKAREA = 48;
+
+        public static Rect VirtualScreen => GetVirtualScreen();
+        public static Rect WorkingArea => GetWorkingArea();
+
+        public static int GetCurrentDpi()
+        {
+            return (int)typeof(SystemParameters).GetProperty("Dpi", BindingFlags.Static | BindingFlags.NonPublic).GetValue(null, null);
+        }
+
+        public static double GetCurrentDpiScaleFactor()
+        {
+            return (double)GetCurrentDpi() / 96;
+        }
+
+        private static Rect GetVirtualScreen()
+        {
+            var size = new Size(PInvoke.GetSystemMetrics(SM_CXSCREEN), PInvoke.GetSystemMetrics(SM_CYSCREEN));
+            return new Rect(0, 0, size.Width, size.Height);
+        }
+
+        private static Rect GetWorkingArea()
+        {
+            var rect = new RECT();
+
+            SystemParametersInfo(SPI_GETWORKAREA, 0, ref rect, 0);
+            return new Rect(rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top);
+        }
+
+        [DllImport("user32.dll", CharSet = CharSet.Auto)]
+        private static extern bool SystemParametersInfo(int nAction, int nParam, ref RECT rc, int nUpdate);
+    }
+}
@@ -0,0 +1,77 @@
+using Microsoft.Win32;
+using NotificationFlyout.Wpf.UI.Extensions;
+using System;
+using System.Runtime.InteropServices;
+using System.Windows;
+using System.Windows.Interop;
+using Windows.UI.ViewManagement;
+
+namespace NotificationFlyout.Wpf.UI.Helpers
+{
+    public class SystemPersonalisationHelper
+    {
+        private readonly UISettings _settings = new();
+        private readonly string PersonalizeKey = @"Software\Microsoft\Windows\CurrentVersion\Themes\Personalize";
+        private SystemTheme _currentTheme;
+        private bool _isColorPrevalence;
+
+        private SystemPersonalisationHelper(Window window)
+        {
+            var source = HwndSource.FromHwnd(window.GetHandle());
+            source.AddHook(new HwndSourceHook(WndProc));
+
+            _currentTheme = GetTheme();
+            _isColorPrevalence = GetIsColorPrevalence();
+        }
+
+        public event EventHandler<SystemPersonalisationChangedEventArgs> ThemeChanged;
+
+        public bool IsColorPrevalence => GetIsColorPrevalence();
+        public SystemTheme Theme => GetTheme();
+
+        public static SystemPersonalisationHelper Create(Window window)
+        {
+            return new SystemPersonalisationHelper(window);
+        }
+
+        [DllImport("user32.dll", SetLastError = true)]
+        private static extern IntPtr DefWindowProcW(IntPtr handle, uint msg, IntPtr wParam, IntPtr lParam);
+
+        private bool GetIsColorPrevalence()
+        {
+            using var baseKey = RegistryKey.OpenBaseKey(RegistryHive.CurrentUser, RegistryView.Registry64);
+            using var subKey = baseKey.OpenSubKey(PersonalizeKey);
+            return subKey.GetValue<int>("ColorPrevalence", 0) > 0;
+        }
+
+        private SystemTheme GetTheme()
+        {
+            var color = _settings.GetColorValue(UIColorType.Background).ToString();
+            return color == "#FFFFFFFF" ? SystemTheme.Light : SystemTheme.Dark;
+        }
+
+        private void RaiseThemeChangedEvent()
+        {
+            var theme = GetTheme();
+            var isColorPrevalence = GetIsColorPrevalence();
+
+            if (theme != _currentTheme || _isColorPrevalence != isColorPrevalence)
+            {
+                _currentTheme = theme;
+                _isColorPrevalence = isColorPrevalence;
+
+                ThemeChanged?.Invoke(this, new SystemPersonalisationChangedEventArgs(theme, isColorPrevalence));
+            }
+        }
+
+        private IntPtr WndProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
+        {
+            if (msg == (int)WndProcMessages.WM_SETTINGCHANGE)
+            {
+                RaiseThemeChangedEvent();
+            }
+
+            return DefWindowProcW(hwnd, (uint)msg, wParam, (lParam));
+        }
+    }
+}
@@ -0,0 +1,8 @@
+namespace NotificationFlyout.Wpf.UI.Helpers
+{
+    public enum SystemTheme
+    {
+        Dark,
+        Light,
+    }
+}
@@ -0,0 +1,118 @@
+using Microsoft.Windows.Sdk;
+using NotificationFlyout.Wpf.UI.Extensions;
+using System;
+using System.Runtime.InteropServices;
+using System.Windows;
+using System.Windows.Interop;
+
+namespace NotificationFlyout.Wpf.UI.Helpers
+{
+    public class TaskbarHelper
+    {
+        private const string ShellTrayHandleName = "Shell_TrayWnd";
+        private const int SPI_SETWORKAREA = 0x002F;
+
+        private readonly uint WM_TASKBARCREATED = PInvoke.RegisterWindowMessage("TaskbarCreated");
+
+        private TaskbarHelper(Window window)
+        {
+            var handle = window.GetHandle();
+
+            var source = HwndSource.FromHwnd(handle);
+            source.AddHook(new HwndSourceHook(WndProc));
+        }
+
+        public event EventHandler TaskbarChanged;
+
+        private enum AppBarEdge : uint
+        {
+            Left = 0,
+            Top = 1,
+            Right = 2,
+            Bottom = 3
+        }
+
+        private enum AppBarMessage : uint
+        {
+            New = 0x00000000,
+            Remove = 0x00000001,
+            QueryPos = 0x00000002,
+            SetPos = 0x00000003,
+            GetState = 0x00000004,
+            GetTaskbarPos = 0x00000005,
+            Activate = 0x00000006,
+            GetAutoHideBar = 0x00000007,
+            SetAutoHideBar = 0x00000008,
+            WindowPosChanged = 0x00000009,
+            SetState = 0x0000000A,
+        }
+
+        public static TaskbarHelper Create(Window window)
+        {
+            return new TaskbarHelper(window);
+        }
+
+        public TaskbarState GetCurrentState()
+        {
+            var handle = GetSystemTrayHandle();
+            var state = new TaskbarState
+            {
+                Screen = Screen.FromHandle(handle)
+            };
+
+            var appBarData = GetAppBarData(handle);
+            GetAppBarPosition(ref appBarData);
+
+            state.Rect = appBarData.rect.ToRect();
+            state.Position = (TaskbarPosition)appBarData.uEdge;
+
+            return state;
+        }
+
+        [DllImport("user32.dll", SetLastError = true)]
+        private static extern IntPtr DefWindowProcW(IntPtr handle, uint msg, IntPtr wParam, IntPtr lParam);
+
+        private static IntPtr GetSystemTrayHandle()
+        {
+            return WindowHelper.GetHandle(ShellTrayHandleName);
+        }
+
+        [DllImport("shell32.dll", SetLastError = true)]
+        private static extern IntPtr SHAppBarMessage(AppBarMessage dwMessage, ref AppBarData pData);
+
+        private AppBarData GetAppBarData(IntPtr handle)
+        {
+            return new AppBarData
+            {
+                cbSize = (uint)Marshal.SizeOf(typeof(AppBarData)),
+                hWnd = handle
+            };
+        }
+
+        private void GetAppBarPosition(ref AppBarData appBarData)
+        {
+            SHAppBarMessage(AppBarMessage.GetTaskbarPos, ref appBarData);
+        }
+
+        private IntPtr WndProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
+        {
+            if (msg == WM_TASKBARCREATED || msg == (int)WndProcMessages.WM_SETTINGCHANGE && (int)wParam == SPI_SETWORKAREA)
+            {
+                TaskbarChanged?.Invoke(this, EventArgs.Empty);
+            }
+
+            return DefWindowProcW(hwnd, (uint)msg, wParam, (lParam));
+        }
+
+        [StructLayout(LayoutKind.Sequential)]
+        private struct AppBarData
+        {
+            public uint cbSize;
+            public IntPtr hWnd;
+            public uint uCallbackMessage;
+            public AppBarEdge uEdge;
+            public RECT rect;
+            public int lParam;
+        }
+    }
+}
@@ -0,0 +1,11 @@
+namespace NotificationFlyout.Wpf.UI
+{
+
+    public enum TaskbarPosition
+    {
+        Left = 0,
+        Top = 1,
+        Right = 2,
+        Bottom = 3
+    }
+}
@@ -0,0 +1,11 @@
+using System.Windows;
+
+namespace NotificationFlyout.Wpf.UI
+{
+    public struct TaskbarState
+    {
+        public TaskbarPosition Position;
+        public Rect Rect;
+        public Screen Screen;
+    }
+}
@@ -0,0 +1,18 @@
+using System;
+
+namespace NotificationFlyout.Wpf.UI.Helpers
+{
+    public class SystemPersonalisationChangedEventArgs : EventArgs
+    {
+        internal SystemPersonalisationChangedEventArgs(SystemTheme theme, bool isColorPrevalence)
+        {
+            Theme = theme;
+            IsColorPrevalence = isColorPrevalence;
+        }
+
+        public SystemTheme Theme { get; private set; }
+
+        public bool IsColorPrevalence { get; private set; }
+
+    }
+}
@@ -0,0 +1,18 @@
+using Microsoft.Windows.Sdk;
+using System;
+
+namespace NotificationFlyout.Wpf.UI.Helpers
+{
+    public class WindowHelper
+    {
+        public static IntPtr GetHandle(string windowName)
+        {
+            return PInvoke.FindWindow(windowName, null);
+        }
+
+        public static uint GetDpi(IntPtr handle)
+        {
+            return PInvoke.GetDpiForWindow((HWND)handle);
+        }
+    }
+}
@@ -0,0 +1,11 @@
+namespace NotificationFlyout.Wpf.UI.Helpers
+{
+    internal enum WndProcMessages
+    {
+        WM_LBUTTONUP = 0x0202,
+        WM_MBUTTONUP = 0x0208,
+        WM_RBUTTONUP = 0x0205,
+        WM_MOUSEMOVE = 0x0200,
+        WM_SETTINGCHANGE = 0x001A,
+    }
+}