WinGui: Some initial work to make the HandBrake.ApplicationServices library more portable.

1 files changed, 199 insertions, 0 deletions

diff --git a/win/CS/HandBrakeWPF/Utilities/Win32.cs b/win/CS/HandBrakeWPF/Utilities/Win32.cs
new file mode 100644
index 000000000..a65a5e09d
--- /dev/null
+++ b/win/CS/HandBrakeWPF/Utilities/Win32.cs
@@ -0,0 +1,199 @@
+// --------------------------------------------------------------------------------------------------------------------
+// <copyright file="Win32.cs" company="HandBrake Project (http://handbrake.fr)">
+//   This file is part of the HandBrake source code - It may be used under the terms of the GNU General Public License.
+// </copyright>
+// <summary>
+//   Win32 API calls
+// </summary>
+// <auto-generated>Disable Stylecop for this file </auto-generated>
+// --------------------------------------------------------------------------------------------------------------------
+
+namespace HandBrakeWPF.Utilities
+{
+    using System;
+    using System.Runtime.InteropServices;
+    using System.Windows.Threading;
+
+    /// <summary>
+    /// Win32 API calls
+    /// </summary>
+    public class Win32
+    {
+        /// <summary>
+        /// Used to force UI Thread.
+        /// </summary>
+        private static Action<Action> executor = action => action();
+
+        /// <summary>
+        /// Set the Forground Window
+        /// </summary>
+        /// <param name="hWnd">
+        /// The h wnd.
+        /// </param>
+        /// <returns>
+        /// A Boolean true when complete.
+        /// </returns>
+        [DllImport("user32.dll")]
+        public static extern bool SetForegroundWindow(int hWnd);
+
+        /// <summary>
+        /// Lock the workstation
+        /// </summary>
+        [DllImport("user32.dll")]
+        public static extern void LockWorkStation();
+
+        /// <summary>
+        /// Exit Windows
+        /// </summary>
+        /// <param name="uFlags">
+        /// The u flags.
+        /// </param>
+        /// <param name="dwReason">
+        /// The dw reason.
+        /// </param>
+        /// <returns>
+        /// an integer
+        /// </returns>
+        [DllImport("user32.dll")]
+        public static extern int ExitWindowsEx(int uFlags, int dwReason);
+
+        /// <summary>
+        /// Memory Status EX Struct
+        /// </summary>
+        public struct MEMORYSTATUSEX
+        {
+            public int dwLength;
+
+            public int dwMemoryLoad;
+
+            public ulong ullTotalPhys;
+
+            public ulong ullAvailPhys;
+
+            public ulong ullTotalPageFile;
+
+            public ulong ullAvailPageFile;
+
+            public ulong ullTotalVirtual;
+
+            public ulong ullAvailVirtual;
+
+            public ulong ullAvailExtendedVirtual;
+        }
+
+        /// <summary>
+        /// Get the System Memory information
+        /// </summary>
+        /// <param name="lpBuffer">
+        /// The lp buffer.
+        /// </param>
+        /// <returns>
+        /// A boolean.
+        /// </returns>
+        [DllImport("kernel32.dll", SetLastError = true)]
+        public static extern bool GlobalMemoryStatusEx(ref MEMORYSTATUSEX lpBuffer);
+
+        /// <summary>
+        /// Generate a Console Ctrl Event
+        /// </summary>
+        /// <param name="sigevent">
+        /// The sigevent.
+        /// </param>
+        /// <param name="dwProcessGroupId">
+        /// The dw process group id.
+        /// </param>
+        /// <returns>
+        /// Bool true is sucess
+        /// </returns>
+        [DllImport("kernel32.dll", SetLastError = true)]
+        public static extern bool GenerateConsoleCtrlEvent(ConsoleCtrlEvent sigevent, int dwProcessGroupId);
+
+        /// <summary>
+        /// Console Ctrl Event
+        /// </summary>
+        public enum ConsoleCtrlEvent
+        {
+            /// <summary>
+            /// Ctrl - C
+            /// </summary>
+            CTRL_C = 0,
+
+            /// <summary>
+            /// Ctrl - Break
+            /// </summary>
+            CTRL_BREAK = 1,
+
+            /// <summary>
+            /// Ctrl - Close
+            /// </summary>
+            CTRL_CLOSE = 2,
+        }
+
+        [DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
+        private static extern EXECUTION_STATE SetThreadExecutionState(EXECUTION_STATE esFlags);
+
+        /// <summary>
+        /// Execution State
+        /// </summary>
+        [Flags]
+        public enum EXECUTION_STATE : uint
+        {
+            ES_SYSTEM_REQUIRED = 0x00000001,
+
+            ES_CONTINUOUS = 0x80000000,
+
+            ES_AWAYMODE_REQUIRED = 0x00000040
+        }
+
+        /// <summary>
+        /// Initializes static members of the <see cref="Win32"/> class.
+        /// </summary>
+        static Win32()
+        {
+            InitializeWithDispatcher();
+        }
+
+        /// <summary>
+        /// Prevent the system from sleeping
+        /// </summary>
+        public static void PreventSleep()
+        {
+            executor(
+                () => SetThreadExecutionState(
+                    EXECUTION_STATE.ES_CONTINUOUS | EXECUTION_STATE.ES_SYSTEM_REQUIRED
+                    | EXECUTION_STATE.ES_AWAYMODE_REQUIRED));
+        }
+
+        /// <summary>
+        ///  Allow the system to sleep.
+        /// </summary>
+        public static void AllowSleep()
+        {
+            executor(() => SetThreadExecutionState(EXECUTION_STATE.ES_CONTINUOUS));
+        }
+
+        /// <summary>
+        ///   Initializes the framework using the current dispatcher.
+        /// </summary>
+        public static void InitializeWithDispatcher()
+        {
+            var dispatcher = Dispatcher.CurrentDispatcher;
+
+            SetUIThreadMarshaller(action =>
+            {
+                if (dispatcher.CheckAccess())
+                    action();
+                else dispatcher.Invoke(action);
+            });
+        }
+
+        /// <summary>
+        /// Sets a custom UI thread marshaller.
+        /// </summary>
+        /// <param name="marshaller">The marshaller.</param>
+        public static void SetUIThreadMarshaller(Action<Action> marshaller)
+        {
+            executor = marshaller;
+        }
+    }
+}