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   virtual ~PanelFrameView();
  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   virtual gfx::Rect GetBoundsForClientView() const OVERRIDE;
  60   virtual gfx::Rect GetWindowBoundsForClientBounds(
  61       const gfx::Rect& client_bounds) const OVERRIDE;
  62   virtual int NonClientHitTest(const gfx::Point& point) OVERRIDE;
  63   virtual void GetWindowMask(const gfx::Size& size,
  64                              gfx::Path* window_mask) OVERRIDE;
  65   virtual void ResetWindowControls() OVERRIDE;
  66   virtual void UpdateWindowIcon() OVERRIDE;
  67   virtual void UpdateWindowTitle() OVERRIDE;
  68
  69   // Overridden from views::View:
  70   virtual gfx::Size GetPreferredSize() const OVERRIDE;
  71   virtual const char* GetClassName() const OVERRIDE;
  72   virtual gfx::Size GetMinimumSize() const OVERRIDE;
  73   virtual gfx::Size GetMaximumSize() OVERRIDE;
  74   virtual void Layout() OVERRIDE;
  75   virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
  76   virtual bool OnMousePressed(const ui::MouseEvent& event) OVERRIDE;
  77   virtual bool OnMouseDragged(const ui::MouseEvent& event) OVERRIDE;
  78   virtual void OnMouseReleased(const ui::MouseEvent& event) OVERRIDE;
  79   virtual void OnMouseCaptureLost() OVERRIDE;
  80
  81   // Overridden from views::ButtonListener:
  82   virtual void ButtonPressed(views::Button* sender, const ui::Event& event)
  83       OVERRIDE;
  84
  85   // Overridden from chrome::TabIconViewModel:
  86   virtual bool ShouldTabIconViewAnimate() const OVERRIDE;
  87   virtual gfx::ImageSkia GetFaviconForTabIconView() OVERRIDE;
  88
  89   int TitlebarHeight() const;
  90
  91   const gfx::ImageSkia* GetFrameBackground(PaintState paint_state) const;
  92
  93   // Update control styles to indicate if the titlebar is active or not.
  94   void UpdateControlStyles(PaintState paint_state);
  95
  96   // Custom draw the frame.
  97   void PaintFrameBackground(gfx::Canvas* canvas);
  98   void PaintFrameEdge(gfx::Canvas* canvas);
  99
 100   // Retrieves the drawing metrics based on the current painting state.
 101   SkColor GetTitleColor(PaintState paint_state) const;
 102
 103   static const char kViewClassName[];
 104
 105   bool is_frameless_;
 106   PanelView* panel_view_;
 107   views::ImageButton* close_button_;
 108   views::ImageButton* minimize_button_;
 109   views::ImageButton* restore_button_;
 110   TabIconView* title_icon_;
 111   views::Label* title_label_;
 112   panel::CornerStyle corner_style_;
 113
 114   DISALLOW_COPY_AND_ASSIGN(PanelFrameView);
 115 };
 116
 117 #endif  // CHROME_BROWSER_UI_VIEWS_PANELS_PANEL_FRAME_VIEW_H_