chrome/browser/ui/views/frame/opaque_browser_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_FRAME_OPAQUE_BROWSER_FRAME_VIEW_H_
   6 #define CHROME_BROWSER_UI_VIEWS_FRAME_OPAQUE_BROWSER_FRAME_VIEW_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "chrome/browser/ui/view_ids.h"
  10 #include "chrome/browser/ui/views/frame/browser_frame.h"
  11 #include "chrome/browser/ui/views/frame/browser_non_client_frame_view.h"
  12 #include "chrome/browser/ui/views/frame/opaque_browser_frame_view_layout_delegate.h"
  13 #include "chrome/browser/ui/views/tab_icon_view_model.h"
  14 #include "ui/views/controls/button/button.h"
  15 #include "ui/views/controls/button/menu_button_listener.h"
  16 #include "ui/views/window/non_client_view.h"
  17
  18 class BrowserView;
  19 class OpaqueBrowserFrameViewLayout;
  20 class OpaqueBrowserFrameViewPlatformSpecific;
  21 class TabIconView;
  22 class NewAvatarButton;
  23
  24 namespace views {
  25 class ImageButton;
  26 class FrameBackground;
  27 class Label;
  28 }
  29
  30 class OpaqueBrowserFrameView : public BrowserNonClientFrameView,
  31                                public views::ButtonListener,
  32                                public views::MenuButtonListener,
  33                                public chrome::TabIconViewModel,
  34                                public OpaqueBrowserFrameViewLayoutDelegate {
  35  public:
  36   // Constructs a non-client view for an BrowserFrame.
  37   OpaqueBrowserFrameView(BrowserFrame* frame, BrowserView* browser_view);
  38   ~OpaqueBrowserFrameView() override;
  39
  40   // BrowserNonClientFrameView:
  41   gfx::Rect GetBoundsForTabStrip(views::View* tabstrip) const override;
  42   int GetTopInset() const override;
  43   int GetThemeBackgroundXInset() const override;
  44   void UpdateThrobber(bool running) override;
  45   gfx::Size GetMinimumSize() const override;
  46
  47   // views::NonClientFrameView:
  48   gfx::Rect GetBoundsForClientView() const override;
  49   gfx::Rect GetWindowBoundsForClientBounds(
  50       const gfx::Rect& client_bounds) const override;
  51   int NonClientHitTest(const gfx::Point& point) override;
  52   void GetWindowMask(const gfx::Size& size, gfx::Path* window_mask) override;
  53   void ResetWindowControls() override;
  54   void UpdateWindowIcon() override;
  55   void UpdateWindowTitle() override;
  56   void SizeConstraintsChanged() override;
  57
  58   // views::View:
  59   void GetAccessibleState(ui::AXViewState* state) override;
  60
  61   // views::ButtonListener:
  62   void ButtonPressed(views::Button* sender, const ui::Event& event) override;
  63
  64   // views::MenuButtonListener:
  65   void OnMenuButtonClicked(views::View* source,
  66                            const gfx::Point& point) override;
  67
  68   // chrome::TabIconViewModel:
  69   bool ShouldTabIconViewAnimate() const override;
  70   gfx::ImageSkia GetFaviconForTabIconView() override;
  71
  72   // OpaqueBrowserFrameViewLayoutDelegate implementation:
  73   bool ShouldShowWindowIcon() const override;
  74   bool ShouldShowWindowTitle() const override;
  75   base::string16 GetWindowTitle() const override;
  76   int GetIconSize() const override;
  77   bool ShouldLeaveOffsetNearTopBorder() const override;
  78   gfx::Size GetBrowserViewMinimumSize() const override;
  79   bool ShouldShowCaptionButtons() const override;
  80   bool ShouldShowAvatar() const override;
  81   bool IsRegularOrGuestSession() const override;
  82   gfx::ImageSkia GetOTRAvatarIcon() const override;
  83   bool IsMaximized() const override;
  84   bool IsMinimized() const override;
  85   bool IsFullscreen() const override;
  86   bool IsTabStripVisible() const override;
  87   int GetTabStripHeight() const override;
  88   gfx::Size GetTabstripPreferredSize() const override;
  89
  90  protected:
  91   views::ImageButton* minimize_button() const { return minimize_button_; }
  92   views::ImageButton* maximize_button() const { return maximize_button_; }
  93   views::ImageButton* restore_button() const { return restore_button_; }
  94   views::ImageButton* close_button() const { return close_button_; }
  95
  96   // views::View:
  97   void OnPaint(gfx::Canvas* canvas) override;
  98
  99   // BrowserNonClientFrameView:
 100   bool ShouldPaintAsThemed() const override;
 101   void UpdateNewAvatarButtonImpl() override;
 102
 103  private:
 104   // views::NonClientFrameView:
 105   bool DoesIntersectRect(const views::View* target,
 106                          const gfx::Rect& rect) const override;
 107
 108   // Creates, adds and returns a new image button with |this| as its listener.
 109   // Memory is owned by the caller.
 110   views::ImageButton* InitWindowCaptionButton(int normal_image_id,
 111                                               int hot_image_id,
 112                                               int pushed_image_id,
 113                                               int mask_image_id,
 114                                               int accessibility_string_id,
 115                                               ViewID view_id);
 116
 117   // Returns the thickness of the border that makes up the window frame edges.
 118   // This does not include any client edge.  If |restored| is true, acts as if
 119   // the window is restored regardless of the real mode.
 120   int FrameBorderThickness(bool restored) const;
 121
 122   // Returns the height of the top resize area.  This is smaller than the frame
 123   // border height in order to increase the window draggable area.
 124   int TopResizeHeight() const;
 125
 126   // Returns true if the specified point is within the avatar menu buttons.
 127   bool IsWithinAvatarMenuButtons(const gfx::Point& point) const;
 128
 129   // Returns the thickness of the entire nonclient left, right, and bottom
 130   // borders, including both the window frame and any client edge.
 131   int NonClientBorderThickness() const;
 132
 133   // Returns the bounds of the titlebar icon (or where the icon would be if
 134   // there was one).
 135   gfx::Rect IconBounds() const;
 136
 137   // Returns true if the view should draw its own custom title bar.
 138   bool ShouldShowWindowTitleBar() const;
 139
 140   // Paint various sub-components of this view.  The *FrameBorder() functions
 141   // also paint the background of the titlebar area, since the top frame border
 142   // and titlebar background are a contiguous component.
 143   void PaintRestoredFrameBorder(gfx::Canvas* canvas);
 144   void PaintMaximizedFrameBorder(gfx::Canvas* canvas);
 145   void PaintToolbarBackground(gfx::Canvas* canvas);
 146   void PaintRestoredClientEdge(gfx::Canvas* canvas);
 147
 148   // Returns the bounds of the client area for the specified view size.
 149   gfx::Rect CalculateClientAreaBounds(int width, int height) const;
 150
 151   // Our layout manager also calculates various bounds.
 152   OpaqueBrowserFrameViewLayout* layout_;
 153
 154   // Window controls.
 155   views::ImageButton* minimize_button_;
 156   views::ImageButton* maximize_button_;
 157   views::ImageButton* restore_button_;
 158   views::ImageButton* close_button_;
 159
 160   // The window icon and title.
 161   TabIconView* window_icon_;
 162   views::Label* window_title_;
 163
 164   // Background painter for the window frame.
 165   scoped_ptr<views::FrameBackground> frame_background_;
 166
 167   // Observer that handles platform dependent configuration.
 168   scoped_ptr<OpaqueBrowserFrameViewPlatformSpecific> platform_observer_;
 169
 170   DISALLOW_COPY_AND_ASSIGN(OpaqueBrowserFrameView);
 171 };
 172
 173 #endif  // CHROME_BROWSER_UI_VIEWS_FRAME_OPAQUE_BROWSER_FRAME_VIEW_H_