[OOBE] Out of box experience window (#9973)

src/modules/colorPicker/ColorPickerUI/Helpers/NativeEventWaiter.cs

@@ -0,0 +1,41 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.ComponentModel.Composition;
+using System.Threading;
+using System.Windows;
+using interop;
+
+namespace ColorPicker.Helpers
+{
+    [Export(typeof(NativeEventWaiter))]
+    public class NativeEventWaiter
+    {
+        private AppStateHandler _appStateHandler;
+
+        [ImportingConstructor]
+        public NativeEventWaiter(AppStateHandler appStateHandler)
+        {
+            _appStateHandler = appStateHandler;
+            WaitForEventLoop(Constants.ShowColorPickerSharedEvent(), _appStateHandler.ShowColorPicker);
+        }
+
+        public static void WaitForEventLoop(string eventName, Action callback)
+        {
+            new Thread(() =>
+            {
+                var eventHandle = new EventWaitHandle(false, EventResetMode.AutoReset, eventName);
+                while (true)
+                {
+                    if (eventHandle.WaitOne())
+                    {
+                        Logger.LogInfo("Successfully waited for SHOW_COLOR_PICKER_EVENT");
+                        Application.Current.Dispatcher.Invoke(callback);
+                    }
+                }
+            }).Start();
+        }
+    }
+}

src/modules/colorPicker/ColorPickerUI/ViewModels/MainViewModel.cs

@@ -26,6 +26,7 @@ namespace ColorPicker.ViewModels
         private readonly ZoomWindowHelper _zoomWindowHelper;
         private readonly AppStateHandler _appStateHandler;
         private readonly IUserSettings _userSettings;
+        private readonly NativeEventWaiter _nativeEventWaiter;
 
         /// <summary>
         /// Backing field for <see cref="OtherColor"/>
@@ -48,11 +49,13 @@ namespace ColorPicker.ViewModels
             ZoomWindowHelper zoomWindowHelper,
             AppStateHandler appStateHandler,
             KeyboardMonitor keyboardMonitor,
+            NativeEventWaiter nativeEventWaiter,
             IUserSettings userSettings)
         {
             _zoomWindowHelper = zoomWindowHelper;
             _appStateHandler = appStateHandler;
             _userSettings = userSettings;
+            _nativeEventWaiter = nativeEventWaiter;
 
             if (mouseInfoProvider != null)
             {

src/modules/shortcut_guide/d2d_window.cpp

@@ -41,6 +41,7 @@ void D2DWindow::show(UINT x, UINT y, UINT width, UINT height)
     on_show();
     SetWindowPos(hwnd, HWND_TOPMOST, x, y, width, height, 0);
     ShowWindow(hwnd, SW_SHOWNORMAL);
+    SetForegroundWindow(hwnd);
     UpdateWindow(hwnd);
 }
 

src/modules/shortcut_guide/native_event_waiter.cpp

@@ -0,0 +1,29 @@
+#include "pch.h"
+#include "native_event_waiter.h"
+
+void NativeEventWaiter::run()
+{
+    while (!aborting)
+    {
+        auto result = WaitForSingleObject(event_handle, timeout);
+        if (!aborting && result == WAIT_OBJECT_0)
+        {
+            action();
+        }
+    }
+}
+
+NativeEventWaiter::NativeEventWaiter(const std::wstring& event_name, std::function<void()> action)
+{
+    event_handle = CreateEventW(NULL, FALSE, FALSE, event_name.c_str());
+    this->action = action;
+    running_thread = std::thread([&]() { run(); });
+}
+
+NativeEventWaiter::~NativeEventWaiter()
+{
+    aborting = true;
+    SetEvent(event_handle);
+    running_thread.join();
+    CloseHandle(event_handle);
+}

src/modules/shortcut_guide/native_event_waiter.h

@@ -0,0 +1,20 @@
+#pragma once
+#include "pch.h"
+#include "common/interop/shared_constants.h"
+
+class NativeEventWaiter
+{
+    static const int timeout = 1000;
+
+    HANDLE event_handle;
+    std::function<void()> action;
+    std::atomic<bool> aborting;
+
+    void run();
+    std::thread running_thread;
+
+public:
+
+    NativeEventWaiter(const std::wstring& event_name, std::function<void()> action);
+    ~NativeEventWaiter();
+};

src/modules/shortcut_guide/shortcut_guide.cpp

@@ -5,6 +5,7 @@
 
 #include <common/SettingsAPI/settings_objects.h>
 #include <common/debug_control.h>
+#include <common/interop/shared_constants.h>
 #include <sstream>
 #include <modules/shortcut_guide/ShortcutGuideConstants.h>
 
@@ -94,6 +95,8 @@ namespace
                            ((style & WS_THICKFRAME) == WS_THICKFRAME);
         return result;
     }
+
+    const LPARAM eventActivateWindow = 1;
 }
 
 OverlayWindow::OverlayWindow()
@@ -212,6 +215,13 @@ void OverlayWindow::enable()
             instance->target_state->toggle_force_shown();
             return 0;
         }
+
+        if (msg == WM_APP && lparam == eventActivateWindow)
+        {
+            instance->target_state->toggle_force_shown();
+            return 0;
+        }
+
         if (msg != WM_HOTKEY)
         {
             return 0;
@@ -260,6 +270,12 @@ void OverlayWindow::enable()
             }
         }
         RegisterHotKey(winkey_popup->get_window_handle(), alternative_switch_hotkey_id, alternative_switch_modifier_mask, alternative_switch_vk_code);
+
+        auto show_action = [&]() {
+            PostMessageW(winkey_popup->get_window_handle(), WM_APP, 0, eventActivateWindow);
+        };
+
+        event_waiter = std::make_unique<NativeEventWaiter>(CommonSharedConstants::SHOW_SHORTCUT_GUIDE_SHARED_EVENT, show_action);
     }
     _enabled = true;
 }
@@ -276,6 +292,7 @@ void OverlayWindow::disable(bool trace_event)
             Trace::EnableShortcutGuide(false);
         }
         UnregisterHotKey(winkey_popup->get_window_handle(), alternative_switch_hotkey_id);
+        event_waiter.reset();
         winkey_popup->hide();
         target_state->exit();
         target_state.reset();

src/modules/shortcut_guide/shortcut_guide.h

@@ -1,6 +1,7 @@
 #pragma once
 #include <interface/powertoy_module_interface.h>
 #include "overlay_window.h"
+#include "native_event_waiter.h"
 
 #include "Generated Files/resource.h"
 
@@ -44,6 +45,7 @@ private:
     std::unique_ptr<D2DOverlayWindow> winkey_popup;
     bool _enabled = false;
     HHOOK hook_handle;
+    std::unique_ptr<NativeEventWaiter> event_waiter;
 
     void init_settings();
     void disable(bool trace_event);

src/modules/shortcut_guide/shortcut_guide.vcxproj

@@ -67,6 +67,7 @@
     <ClInclude Include="d2d_svg.h" />
     <ClInclude Include="d2d_text.h" />
     <ClInclude Include="d2d_window.h" />
+    <ClInclude Include="native_event_waiter.h" />
     <ClInclude Include="overlay_window.h" />
     <ClInclude Include="keyboard_state.h" />
     <ClInclude Include="Generated Files/resource.h" />
@@ -83,6 +84,7 @@
     <ClCompile Include="d2d_svg.cpp" />
     <ClCompile Include="d2d_text.cpp" />
     <ClCompile Include="d2d_window.cpp" />
+    <ClCompile Include="native_event_waiter.cpp" />
     <ClCompile Include="overlay_window.cpp" />
     <ClCompile Include="dllmain.cpp" />
     <ClCompile Include="keyboard_state.cpp" />

src/modules/shortcut_guide/shortcut_guide.vcxproj.filters

@@ -36,6 +36,9 @@
     <ClCompile Include="tasklist_positions.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="native_event_waiter.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="pch.h" />
@@ -73,6 +76,9 @@
     <ClInclude Include="start_visible.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="native_event_waiter.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <Filter Include="Header Files">