1 files changed, 110 insertions, 0 deletions
diff --git a/support/hololens/ServoApp/ServoControl/ServoControl.h b/support/hololens/ServoApp/ServoControl/ServoControl.h
new file mode 100644
index 00000000000..e5448a7f9ae
--- /dev/null
+++ b/support/hololens/ServoApp/ServoControl/ServoControl.h
@@ -0,0 +1,110 @@
+#pragma once
+#include "ServoControl.g.h"
+#include "OpenGLES.h"
+#include "Servo.h"
+
+namespace winrt::ServoApp::implementation {
+struct ServoControl : ServoControlT<ServoControl>, public servo::ServoDelegate {
+
+  ServoControl();
+
+  void GoBack();
+  void GoForward();
+  void Reload();
+  void Stop();
+  void Shutdown();
+  Windows::Foundation::Uri LoadURIOrSearch(hstring);
+
+  void OnLoaded(IInspectable const &, Windows::UI::Xaml::RoutedEventArgs const &);
+
+  winrt::event_token
+  OnURLChanged(Windows::Foundation::EventHandler<hstring> const &handler){
+    return mOnURLChangedEvent.add(handler);
+  };
+  void OnURLChanged(winrt::event_token const& token) noexcept { mOnURLChangedEvent.remove(token); }
+
+  winrt::event_token
+  OnTitleChanged(Windows::Foundation::EventHandler<hstring> const &handler){
+    return mOnTitleChangedEvent.add(handler);
+  };
+  void OnTitleChanged(winrt::event_token const& token) noexcept { mOnTitleChangedEvent.remove(token); }
+
+  winrt::event_token OnHistoryChanged(HistoryChangedDelegate const &handler){
+    return mOnHistoryChangedEvent.add(handler);
+  };
+  void OnHistoryChanged(winrt::event_token const& token) noexcept { mOnHistoryChangedEvent.remove(token); }
+
+  winrt::event_token OnLoadStarted(LoadStatusChangedDelegate const &handler){
+    return mOnLoadStartedEvent.add(handler);
+  };
+  void OnLoadStarted(winrt::event_token const& token) noexcept { mOnLoadStartedEvent.remove(token); }
+
+  winrt::event_token OnLoadEnded(LoadStatusChangedDelegate const &handler){
+    return mOnLoadEndedEvent.add(handler);
+  };
+  void OnLoadEnded(winrt::event_token const& token) noexcept { mOnLoadEndedEvent.remove(token); }
+
+  virtual void WakeUp();
+  virtual void OnServoLoadStarted();
+  virtual void OnServoLoadEnded();
+  virtual void OnServoHistoryChanged(bool, bool);
+  virtual void OnServoShutdownComplete();
+  virtual void OnServoTitleChanged(winrt::hstring);
+  virtual void OnServoAlert(winrt::hstring);
+  virtual void OnServoURLChanged(winrt::hstring);
+  virtual void Flush();
+  virtual void MakeCurrent();
+  virtual bool OnServoAllowNavigation(winrt::hstring);
+  virtual void OnServoAnimatingChanged(bool);
+
+private:
+  winrt::event<Windows::Foundation::EventHandler<hstring>> mOnURLChangedEvent;
+  winrt::event<Windows::Foundation::EventHandler<hstring>> mOnTitleChangedEvent;
+  winrt::event<HistoryChangedDelegate> mOnHistoryChangedEvent;
+  winrt::event<LoadStatusChangedDelegate> mOnLoadStartedEvent;
+  winrt::event<LoadStatusChangedDelegate> mOnLoadEndedEvent;
+
+  Windows::UI::Xaml::Controls::SwapChainPanel ServoControl::Panel();
+  void CreateRenderSurface();
+  void DestroyRenderSurface();
+  void RecoverFromLostDevice();
+
+  void StartRenderLoop();
+  void StopRenderLoop();
+  void Loop();
+
+  std::optional<Windows::Foundation::Uri> TryParseURI(hstring input) {
+    try {
+      return Windows::Foundation::Uri(input);
+    } catch (hresult_invalid_argument const &e) {
+      return {};
+    }
+  }
+
+  void
+  OnSurfaceClicked(IInspectable const &,
+                   Windows::UI::Xaml::Input::PointerRoutedEventArgs const &);
+
+  void OnSurfaceManipulationDelta(
+      IInspectable const &,
+      Windows::UI::Xaml::Input::ManipulationDeltaRoutedEventArgs const &e);
+
+  template <typename Callable> void RunOnUIThread(Callable);
+  void RunOnGLThread(std::function<void()>);
+
+  std::unique_ptr<servo::Servo> mServo;
+  EGLSurface mRenderSurface{EGL_NO_SURFACE};
+  OpenGLES mOpenGLES;
+  bool mAnimating = false;
+  bool mLooping = false;
+  std::vector<std::function<void()>> mTasks;
+  CRITICAL_SECTION mGLLock;
+  CONDITION_VARIABLE mGLCondVar;
+  std::unique_ptr<Concurrency::task<void>> mLoopTask;
+};
+} // namespace winrt::ServoApp::implementation
+
+namespace winrt::ServoApp::factory_implementation {
+struct ServoControl
+    : ServoControlT<ServoControl, implementation::ServoControl> {};
+} // namespace winrt::ServoApp::factory_implementation