1 files changed, 121 insertions, 0 deletions
diff --git a/src/win/native/ui_application.cpp b/src/win/native/ui_application.cpp
new file mode 100644
index 00000000..360f6e41
--- /dev/null
+++ b/src/win/native/ui_application.cpp
@@ -0,0 +1,121 @@
+#include "cru/win/native/ui_application.hpp"
+
+#include "cru/win/graph/direct/graph_factory.hpp"
+#include "cru/win/native/exception.hpp"
+#include "cru/win/native/god_window.hpp"
+#include "cru/win/native/native_window.hpp"
+#include "god_window_message.hpp"
+#include "timer.hpp"
+#include "window_manager.hpp"
+
+#include <VersionHelpers.h>
+#include <cassert>
+
+namespace cru::platform::native::win {
+namespace {
+WinUiApplication* instance = nullptr;
+}
+}  // namespace cru::platform::native::win
+
+namespace cru::platform::native {
+UiApplication* UiApplication::CreateInstance() {
+  auto& i =
+      ::cru::platform::native::win::instance;  // avoid long namespace prefix
+  assert(i == nullptr);
+  i = new win::WinUiApplication(::GetModuleHandleW(nullptr));
+  return i;
+}
+
+UiApplication* UiApplication::GetInstance() {
+  return ::cru::platform::native::win::instance;
+}
+}  // namespace cru::platform::native
+
+namespace cru::platform::native::win {
+WinUiApplication* WinUiApplication::GetInstance() { return instance; }
+
+WinUiApplication::WinUiApplication(HINSTANCE h_instance)
+    : h_instance_(h_instance) {
+  assert(instance == nullptr);
+
+  if (!::IsWindows8OrGreater())
+    throw std::runtime_error("Must run on Windows 8 or later.");
+
+  const auto graph_factory = graph::GraphFactory::CreateInstance();
+  graph_factory->SetAutoDelete(true);
+
+  god_window_ = std::make_shared<GodWindow>(this);
+  timer_manager_ = std::make_shared<TimerManager>(god_window_.get());
+  window_manager_ = std::make_shared<WindowManager>(this);
+}
+
+WinUiApplication::~WinUiApplication() { instance = nullptr; }
+
+int WinUiApplication::Run() {
+  MSG msg;
+  while (GetMessageW(&msg, nullptr, 0, 0)) {
+    TranslateMessage(&msg);
+    DispatchMessageW(&msg);
+  }
+
+  for (const auto& handler : quit_handlers_) handler();
+
+  if (auto_delete_) delete this;
+
+  return static_cast<int>(msg.wParam);
+}
+
+void WinUiApplication::Quit(const int quit_code) {
+  ::PostQuitMessage(quit_code);
+}
+
+void WinUiApplication::AddOnQuitHandler(const std::function<void()>& handler) {
+  quit_handlers_.push_back(handler);
+}
+
+void WinUiApplication::InvokeLater(const std::function<void()>& action) {
+  // copy the action to a safe place
+  auto p_action_copy = new std::function<void()>(action);
+
+  if (PostMessageW(GetGodWindow()->GetHandle(), invoke_later_message_id,
+                   reinterpret_cast<WPARAM>(p_action_copy), 0) == 0)
+    throw Win32Error(::GetLastError(), "InvokeLater failed to post message.");
+}
+
+unsigned long WinUiApplication::SetTimeout(
+    std::chrono::milliseconds milliseconds,
+    const std::function<void()>& action) {
+  return static_cast<unsigned long>(timer_manager_->CreateTimer(
+      static_cast<UINT>(milliseconds.count()), false, action));
+}
+
+unsigned long WinUiApplication::SetInterval(
+    std::chrono::milliseconds milliseconds,
+    const std::function<void()>& action) {
+  return static_cast<unsigned long>(timer_manager_->CreateTimer(
+      static_cast<UINT>(milliseconds.count()), true, action));
+}
+
+void WinUiApplication::CancelTimer(unsigned long id) {
+  timer_manager_->KillTimer(static_cast<UINT_PTR>(id));
+}
+
+std::vector<NativeWindow*> WinUiApplication::GetAllWindow() {
+  const auto&& windows = window_manager_->GetAllWindows();
+  std::vector<NativeWindow*> result;
+  for (const auto w : windows) {
+    result.push_back(static_cast<NativeWindow*>(w));
+  }
+  return result;
+}
+
+NativeWindow* WinUiApplication::CreateWindow(NativeWindow* parent) {
+  WinNativeWindow* p = nullptr;
+  if (parent != nullptr) {
+    p = dynamic_cast<WinNativeWindow*>(parent);
+    assert(p);
+  }
+  return new WinNativeWindow(this, window_manager_->GetGeneralWindowClass(),
+                             WS_OVERLAPPEDWINDOW, p);
+}
+}  // namespace cru::platform::native::win