host_window_popup.h

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// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
 
#ifndef FLUTTER_SHELL_PLATFORM_WINDOWS_HOST_WINDOW_POPUP_H_
#define FLUTTER_SHELL_PLATFORM_WINDOWS_HOST_WINDOW_POPUP_H_
 
#include <cstdint>
#include "host_window_sized.h"
#include "shell/platform/windows/flutter_windows_view.h"
#include "shell/platform/windows/window_manager.h"
 
namespace flutter {
class HostWindowPopup : public HostWindowSized {
 public:
  // Creates a popup window.
  HostWindowPopup(WindowManager* window_manager,
                  FlutterWindowsEngine* engine,
                  const BoxConstraints& constraints,
                  GetWindowPositionCallback get_position_callback,
                  HWND parent);
 
  // Update the position of the popup window based off the current size
  // of the popup.
  void UpdatePosition();
 
  ~HostWindowPopup() override;
 
 protected:
  void ApplyContentSize(int32_t physical_width,
                        int32_t physical_height) override;
 
 private:
  WindowRect GetWorkArea() const override;
 
  GetWindowPositionCallback get_position_callback_;
  HWND parent_;
  Isolate isolate_;
};
}  // namespace flutter
 
#endif  // FLUTTER_SHELL_PLATFORM_WINDOWS_HOST_WINDOW_POPUP_H_