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			121 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			121 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
// Copyright 2016 The Chromium Embedded Framework Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be found
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// in the LICENSE file.
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#ifndef CEF_LIBCEF_BROWSER_VIEWS_WINDOW_VIEW_H_
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#define CEF_LIBCEF_BROWSER_VIEWS_WINDOW_VIEW_H_
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#pragma once
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#include "include/views/cef_window.h"
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#include "include/views/cef_window_delegate.h"
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#include "libcef/browser/views/panel_view.h"
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#include "ui/display/display.h"
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#include "ui/views/widget/widget_delegate.h"
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class SkRegion;
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// Manages the views-based root window. This object will be deleted
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// automatically when the associated root window is destroyed.
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class CefWindowView
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    : public CefPanelView<views::WidgetDelegateView, CefWindowDelegate> {
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 public:
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  typedef CefPanelView<views::WidgetDelegateView, CefWindowDelegate>
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      ParentClass;
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  class Delegate {
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   public:
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    // Returns true to signal that the Widget can be closed.
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    virtual bool CanWidgetClose() = 0;
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    // Called when the underlying platform window is closing.
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    virtual void OnWindowClosing() = 0;
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    // Called when the WindowView is about to be deleted.
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    virtual void OnWindowViewDeleted() = 0;
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   protected:
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    virtual ~Delegate() {}
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  };
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  // |cef_delegate| may be nullptr.
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  // |window_delegate| must be non-nullptr.
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  CefWindowView(CefWindowDelegate* cef_delegate, Delegate* window_delegate);
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  // Create the Widget.
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  void CreateWidget();
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  // Returns the CefWindow associated with this view. See comments on
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  // CefViewView::GetCefView.
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  CefRefPtr<CefWindow> GetCefWindow() const;
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  // views::WidgetDelegateView methods:
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  void DeleteDelegate() override;
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  // views::WidgetDelegate methods:
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  bool CanResize() const override;
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  bool CanMinimize() const override;
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  bool CanMaximize() const override;
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  base::string16 GetWindowTitle() const override;
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  gfx::ImageSkia GetWindowIcon() override;
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  gfx::ImageSkia GetWindowAppIcon() override;
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  void WindowClosing() override;
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  views::View* GetContentsView() override;
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  views::ClientView* CreateClientView(views::Widget* widget) override;
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  views::NonClientFrameView* CreateNonClientFrameView(
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      views::Widget* widget) override;
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  bool ShouldDescendIntoChildForEventHandling(
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      gfx::NativeView child,
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      const gfx::Point& location) override;
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  bool MaybeGetMinimumSize(gfx::Size* size) const override;
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  bool MaybeGetMaximumSize(gfx::Size* size) const override;
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  // views::View methods:
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  void ViewHierarchyChanged(
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      const views::View::ViewHierarchyChangedDetails& details) override;
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  // Returns the Display containing this Window.
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  display::Display GetDisplay() const;
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  // Set/get the window title.
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  void SetTitle(const base::string16& title);
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  base::string16 title() const { return title_; }
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  // Set/get the window icon. This should be a 16x16 icon suitable for use in
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  // the Windows's title bar.
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  void SetWindowIcon(CefRefPtr<CefImage> window_icon);
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  CefRefPtr<CefImage> window_icon() const { return window_icon_; }
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  // Set/get the window app icon. This should be a larger icon for use in the
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  // host environment app switching UI. On Windows, this is the ICON_BIG used in
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  // Alt-Tab list and Windows taskbar. The Window icon will be used by default
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  // if no Window App icon is specified.
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  void SetWindowAppIcon(CefRefPtr<CefImage> window_app_icon);
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  CefRefPtr<CefImage> window_app_icon() const { return window_app_icon_; }
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  // Set/get the draggable regions.
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  void SetDraggableRegions(const std::vector<CefDraggableRegion>& regions);
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  SkRegion* draggable_region() const { return draggable_region_.get(); }
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  // Returns the NonClientFrameView for this Window. May be nullptr.
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  views::NonClientFrameView* GetNonClientFrameView() const;
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 private:
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  // Not owned by this object.
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  Delegate* window_delegate_;
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  // True if the window is frameless. It might still be resizable and draggable.
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  bool is_frameless_;
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  base::string16 title_;
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  CefRefPtr<CefImage> window_icon_;
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  CefRefPtr<CefImage> window_app_icon_;
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  std::unique_ptr<SkRegion> draggable_region_;
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  DISALLOW_COPY_AND_ASSIGN(CefWindowView);
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};
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#endif  // CEF_LIBCEF_BROWSER_VIEWS_WINDOW_VIEW_H_
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