// Copyright 2016 The Chromium Embedded Framework 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 CEF_LIBCEF_BROWSER_VIEWS_WINDOW_IMPL_H_
#define CEF_LIBCEF_BROWSER_VIEWS_WINDOW_IMPL_H_
#pragma once

#include "include/views/cef_window.h"
#include "include/views/cef_window_delegate.h"

#include "libcef/browser/menu_model_impl.h"
#include "libcef/browser/views/panel_impl.h"
#include "libcef/browser/views/window_view.h"

#include "ui/views/controls/menu/menu_runner.h"
#include "ui/views/widget/widget.h"

namespace views {
class MenuButton;
}

class CefWindowImpl :
    public CefPanelImpl<CefWindowView, CefWindow, CefWindowDelegate>,
    public CefWindowView::Delegate,
    public CefMenuModelImpl::Observer {
 public:
  typedef CefPanelImpl<CefWindowView, CefWindow, CefWindowDelegate> ParentClass;

  // Create a new CefWindow instance. |delegate| may be nullptr.
  static CefRefPtr<CefWindowImpl> Create(CefRefPtr<CefWindowDelegate> delegate);

  // CefWindow methods:
  void Show() override;
  void Hide() override;
  void CenterWindow(const CefSize& size) override;
  void Close() override;
  bool IsClosed() override;
  void Activate() override;
  void Deactivate() override;
  bool IsActive() override;
  void BringToTop() override;
  void SetAlwaysOnTop(bool on_top) override;
  bool IsAlwaysOnTop() override;
  void Maximize() override;
  void Minimize() override;
  void Restore() override;
  void SetFullscreen(bool fullscreen) override;
  bool IsMaximized() override;
  bool IsMinimized() override;
  bool IsFullscreen() override;
  void SetTitle(const CefString& title) override;
  CefString GetTitle() override;
  void SetWindowIcon(CefRefPtr<CefImage> image) override;
  CefRefPtr<CefImage> GetWindowIcon() override;
  void SetWindowAppIcon(CefRefPtr<CefImage> image) override;
  CefRefPtr<CefImage> GetWindowAppIcon() override;
  void ShowMenu(CefRefPtr<CefMenuModel> menu_model,
                const CefPoint& screen_point,
                cef_menu_anchor_position_t anchor_position) override;
  void CancelMenu() override;
  CefRefPtr<CefDisplay> GetDisplay() override;
  CefRect GetClientAreaBoundsInScreen() override;
  void SetDraggableRegions(
      const std::vector<CefDraggableRegion>& regions) override;
  CefWindowHandle GetWindowHandle() override;
  void SendKeyPress(int key_code,
                    uint32 event_flags) override;
  void SendMouseMove(int screen_x, int screen_y) override;
  void SendMouseEvents(cef_mouse_button_type_t button,
                       bool mouse_down,
                       bool mouse_up) override;

  // CefViewAdapter methods:
  void Detach() override;

  // CefPanel methods:
  CefRefPtr<CefWindow> AsWindow() override { return this; }

  // CefView methods:
  void SetBounds(const CefRect& bounds) override;
  CefRect GetBounds() override;
  CefRect GetBoundsInScreen() override;
  void SetSize(const CefSize& bounds) override;
  void SetPosition(const CefPoint& position) override;
  void SizeToPreferredSize() override;
  void SetVisible(bool visible) override;
  bool IsVisible() override;
  bool IsDrawn() override;
  void SetBackgroundColor(cef_color_t color) override;

  // CefWindowView::Delegate methods:
  bool CanWidgetClose() override;
  void OnWindowViewDeleted() override;

  // CefMenuModelImpl::Observer methods:
  void MenuClosed(CefRefPtr<CefMenuModelImpl> source) override;

  // CefViewAdapter methods:
  std::string GetDebugType() override { return "Window"; }
  void GetDebugInfo(base::DictionaryValue* info,
                    bool include_children) override;

  void ShowMenu(views::MenuButton* menu_button,
                CefRefPtr<CefMenuModel> menu_model,
                const CefPoint& screen_point,
                cef_menu_anchor_position_t anchor_position);

 private:
  // Create a new implementation object.
  // Always call Initialize() after creation.
  // |delegate| may be nullptr.
  explicit CefWindowImpl(CefRefPtr<CefWindowDelegate> delegate);

  // CefViewImpl methods:
  CefWindowView* CreateRootView() override;

  // Initialize the Widget.
  void CreateWidget();

  views::Widget* widget_;

  // True if the window has been destroyed.
  bool destroyed_;

  // The currently active menu model and runner.
  CefRefPtr<CefMenuModelImpl> menu_model_;
  std::unique_ptr<views::MenuRunner> menu_runner_;

  IMPLEMENT_REFCOUNTING_DELETE_ON_UIT(CefWindowImpl);
  DISALLOW_COPY_AND_ASSIGN(CefWindowImpl);
};

#endif  // CEF_LIBCEF_BROWSER_VIEWS_WINDOW_IMPL_H_