chrome/browser/ui/views/panels/panel_frame_view.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_UI_VIEWS_PANELS_PANEL_FRAME_VIEW_H_
   6 #define CHROME_BROWSER_UI_VIEWS_PANELS_PANEL_FRAME_VIEW_H_
   7
   8 #include "chrome/browser/ui/panels/panel_constants.h"
   9 #include "chrome/browser/ui/views/tab_icon_view_model.h"
  10 #include "ui/views/controls/button/button.h"
  11 #include "ui/views/window/non_client_view.h"
  12
  13 class PanelView;
  14 class TabIconView;
  15
  16 namespace views {
  17 class ImageButton;
  18 class Label;
  19 }
  20
  21 class PanelFrameView : public views::NonClientFrameView,
  22                        public views::ButtonListener,
  23                        public chrome::TabIconViewModel {
  24  public:
  25   enum PaintState {
  26     PAINT_AS_INACTIVE,
  27     PAINT_AS_ACTIVE,
  28     PAINT_AS_MINIMIZED,
  29     PAINT_FOR_ATTENTION
  30   };
  31
  32   explicit PanelFrameView(PanelView* panel_view);
  33   ~PanelFrameView() override;
  34
  35   void Init();
  36   void UpdateTitle();
  37   void UpdateIcon();
  38   void UpdateThrobber();
  39   void UpdateTitlebarMinimizeRestoreButtonVisibility();
  40   void SetWindowCornerStyle(panel::CornerStyle corner_style);
  41
  42   // Returns the size of the non-client area, that is, the window size minus
  43   // the size of the client area.
  44   gfx::Size NonClientAreaSize() const;
  45
  46   int BorderThickness() const;
  47
  48   PaintState GetPaintState() const;
  49
  50   views::ImageButton* close_button() const { return close_button_; }
  51   views::ImageButton* minimize_button() const { return minimize_button_; }
  52   views::ImageButton* restore_button() const { return restore_button_; }
  53   TabIconView* title_icon() const { return title_icon_; }
  54   views::Label* title_label() const { return title_label_; }
  55   panel::CornerStyle corner_style() const { return corner_style_; }
  56
  57  private:
  58   // Overridden from views::NonClientFrameView:
  59   gfx::Rect GetBoundsForClientView() const override;
  60   gfx::Rect GetWindowBoundsForClientBounds(
  61       const gfx::Rect& client_bounds) const override;
  62   int NonClientHitTest(const gfx::Point& point) override;
  63   void GetWindowMask(const gfx::Size& size, gfx::Path* window_mask) override;
  64   void ResetWindowControls() override;
  65   void UpdateWindowIcon() override;
  66   void UpdateWindowTitle() override;
  67   void SizeConstraintsChanged() override;
  68
  69   // Overridden from views::View:
  70   gfx::Size GetPreferredSize() const override;
  71   const char* GetClassName() const override;
  72   gfx::Size GetMinimumSize() const override;
  73   gfx::Size GetMaximumSize() const override;
  74   void Layout() override;
  75   void OnPaint(gfx::Canvas* canvas) override;
  76   bool OnMousePressed(const ui::MouseEvent& event) override;
  77   bool OnMouseDragged(const ui::MouseEvent& event) override;
  78   void OnMouseReleased(const ui::MouseEvent& event) override;
  79   void OnMouseCaptureLost() override;
  80
  81   // Overridden from views::ButtonListener:
  82   void ButtonPressed(views::Button* sender, const ui::Event& event) override;
  83
  84   // Overridden from chrome::TabIconViewModel:
  85   bool ShouldTabIconViewAnimate() const override;
  86   gfx::ImageSkia GetFaviconForTabIconView() override;
  87
  88   int TitlebarHeight() const;
  89
  90   const gfx::ImageSkia* GetFrameBackground(PaintState paint_state) const;
  91
  92   // Update control styles to indicate if the titlebar is active or not.
  93   void UpdateControlStyles(PaintState paint_state);
  94
  95   // Custom draw the frame.
  96   void PaintFrameBackground(gfx::Canvas* canvas);
  97   void PaintFrameEdge(gfx::Canvas* canvas);
  98
  99   // Retrieves the drawing metrics based on the current painting state.
 100   SkColor GetTitleColor(PaintState paint_state) const;
 101
 102   // Returns true if |mouse_location| is within the panel's resizing area.
 103   bool IsWithinResizingArea(const gfx::Point& mouse_location) const;
 104
 105   static const char kViewClassName[];
 106
 107   bool is_frameless_;
 108   PanelView* panel_view_;
 109   views::ImageButton* close_button_;
 110   views::ImageButton* minimize_button_;
 111   views::ImageButton* restore_button_;
 112   TabIconView* title_icon_;
 113   views::Label* title_label_;
 114   panel::CornerStyle corner_style_;
 115
 116   DISALLOW_COPY_AND_ASSIGN(PanelFrameView);
 117 };
 118
 119 #endif  // CHROME_BROWSER_UI_VIEWS_PANELS_PANEL_FRAME_VIEW_H_