It is time.

ui/views/window/custom_frame_view.h

-// Copyright (c) 2012 The Chromium 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 UI_VIEWS_WINDOW_CUSTOM_FRAME_VIEW_H_
-#define UI_VIEWS_WINDOW_CUSTOM_FRAME_VIEW_H_
-
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "base/memory/scoped_ptr.h"
-#include "ui/views/controls/button/button.h"
-#include "ui/views/window/frame_buttons.h"
-#include "ui/views/window/non_client_view.h"
-
-namespace gfx {
-class ImageSkia;
-}
-
-namespace views {
-
-class FrameBackground;
-class ImageButton;
-class Widget;
-
-///////////////////////////////////////////////////////////////////////////////
-//
-// CustomFrameView
-//
-//  A view that provides the non client frame for Windows. This means
-//  rendering the non-standard window caption, border, and controls.
-//
-////////////////////////////////////////////////////////////////////////////////
-class VIEWS_EXPORT CustomFrameView : public NonClientFrameView,
-                                     public ButtonListener {
- public:
-  CustomFrameView();
-  virtual ~CustomFrameView();
-
-  void Init(Widget* frame);
-
-  // Overridden from NonClientFrameView:
-  virtual gfx::Rect GetBoundsForClientView() const override;
-  virtual gfx::Rect GetWindowBoundsForClientBounds(
-      const gfx::Rect& client_bounds) const override;
-  virtual int NonClientHitTest(const gfx::Point& point) override;
-  virtual void GetWindowMask(const gfx::Size& size,
-                             gfx::Path* window_mask) override;
-  virtual void ResetWindowControls() override;
-  virtual void UpdateWindowIcon() override;
-  virtual void UpdateWindowTitle() override;
-  virtual void SizeConstraintsChanged() override;
-
-  // Overridden from View:
-  virtual void OnPaint(gfx::Canvas* canvas) override;
-  virtual void Layout() override;
-  virtual gfx::Size GetPreferredSize() const override;
-  virtual gfx::Size GetMinimumSize() const override;
-  virtual gfx::Size GetMaximumSize() const override;
-
-  // Overridden from ButtonListener:
-  virtual void ButtonPressed(Button* sender, const ui::Event& event) override;
-
- private:
-  friend class CustomFrameViewTest;
-
-  // Returns the thickness of the border that makes up the window frame edges.
-  // This does not include any client edge.
-  int FrameBorderThickness() const;
-
-  // Returns the thickness of the entire nonclient left, right, and bottom
-  // borders, including both the window frame and any client edge.
-  int NonClientBorderThickness() const;
-
-  // Returns the height of the entire nonclient top border, including the window
-  // frame, any title area, and any connected client edge.
-  int NonClientTopBorderHeight() const;
-
-  // Returns the y-coordinate of the caption buttons.
-  int CaptionButtonY() const;
-
-  // Returns the thickness of the nonclient portion of the 3D edge along the
-  // bottom of the titlebar.
-  int TitlebarBottomThickness() const;
-
-  // Returns the size of the titlebar icon.  This is used even when the icon is
-  // not shown, e.g. to set the titlebar height.
-  int IconSize() const;
-
-  // Returns the bounds of the titlebar icon (or where the icon would be if
-  // there was one).
-  gfx::Rect IconBounds() const;
-
-  // Returns true if the title bar, caption buttons, and frame border should be
-  // drawn. If false, the client view occupies the full area of this view.
-  bool ShouldShowTitleBarAndBorder() const;
-
-  // Returns true if the client edge should be drawn. This is true if
-  // the window is not maximized.
-  bool ShouldShowClientEdge() const;
-
-  // Paint various sub-components of this view.
-  void PaintRestoredFrameBorder(gfx::Canvas* canvas);
-  void PaintMaximizedFrameBorder(gfx::Canvas* canvas);
-  void PaintTitleBar(gfx::Canvas* canvas);
-  void PaintRestoredClientEdge(gfx::Canvas* canvas);
-
-  // Compute aspects of the frame needed to paint the frame background.
-  SkColor GetFrameColor() const;
-  const gfx::ImageSkia* GetFrameImage() const;
-
-  // Performs the layout for the window control buttons based on the
-  // configuration specified in WindowButtonOrderProvider. The sizing and
-  // positions of the buttons affects LayoutTitleBar, call this beforehand.
-  void LayoutWindowControls();
-
-  // Calculations depend on the positions of the window controls. Always call
-  // LayoutWindowControls beforehand.
-  void LayoutTitleBar();
-  void LayoutClientView();
-
-  // Creates, adds and returns a new window caption button (e.g, minimize,
-  // maximize, restore).
-  ImageButton* InitWindowCaptionButton(int accessibility_string_id,
-                                       int normal_image_id,
-                                       int hot_image_id,
-                                       int pushed_image_id);
-
-  // Returns the window caption button for the given FrameButton type, if it
-  // should be visible. Otherwise NULL.
-  ImageButton* GetImageButton(views::FrameButton button);
-
-  // The bounds of the client view, in this view's coordinates.
-  gfx::Rect client_view_bounds_;
-
-  // The layout rect of the title, if visible.
-  gfx::Rect title_bounds_;
-
-  // Not owned.
-  Widget* frame_;
-
-  // The icon of this window. May be NULL.
-  ImageButton* window_icon_;
-
-  // Window caption buttons.
-  ImageButton* minimize_button_;
-  ImageButton* maximize_button_;
-  ImageButton* restore_button_;
-  ImageButton* close_button_;
-
-  // Background painter for the window frame.
-  scoped_ptr<FrameBackground> frame_background_;
-
-  // The horizontal boundaries for the title bar to layout within. Restricted
-  // by the space used by the leading and trailing buttons.
-  int minimum_title_bar_x_;
-  int maximum_title_bar_x_;
-
-  DISALLOW_COPY_AND_ASSIGN(CustomFrameView);
-};
-
-}  // namespace views
-
-#endif  // UI_VIEWS_WINDOW_CUSTOM_FRAME_VIEW_H_