ash/wm/custom_frame_view_ash.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 ASH_WM_CUSTOM_FRAME_VIEW_ASH_H_
   6 #define ASH_WM_CUSTOM_FRAME_VIEW_ASH_H_
   7
   8 #include "ash/ash_export.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "ui/views/window/non_client_view.h"
  11
  12 namespace ash {
  13 class FrameBorderHitTestController;
  14 class HeaderPainter;
  15 class ImmersiveFullscreenController;
  16 }
  17 namespace views {
  18 class Widget;
  19 }
  20
  21 namespace ash {
  22
  23 // A NonClientFrameView used for packaged apps, dialogs and other non-browser
  24 // windows. It supports immersive fullscreen. When in immersive fullscreen, the
  25 // client view takes up the entire widget and the window header is an overlay.
  26 // The window header overlay slides onscreen when the user hovers the mouse at
  27 // the top of the screen. See also views::CustomFrameView and
  28 // BrowserNonClientFrameViewAsh.
  29 class ASH_EXPORT CustomFrameViewAsh : public views::NonClientFrameView {
  30  public:
  31   // Internal class name.
  32   static const char kViewClassName[];
  33
  34   explicit CustomFrameViewAsh(views::Widget* frame);
  35   virtual ~CustomFrameViewAsh();
  36
  37   // Inits |immersive_fullscreen_controller| so that the controller reveals
  38   // and hides |header_view_| in immersive fullscreen.
  39   // CustomFrameViewAsh does not take ownership of
  40   // |immersive_fullscreen_controller|.
  41   void InitImmersiveFullscreenControllerForView(
  42       ImmersiveFullscreenController* immersive_fullscreen_controller);
  43
  44   // views::NonClientFrameView overrides:
  45   virtual gfx::Rect GetBoundsForClientView() const OVERRIDE;
  46   virtual gfx::Rect GetWindowBoundsForClientBounds(
  47       const gfx::Rect& client_bounds) const OVERRIDE;
  48   virtual int NonClientHitTest(const gfx::Point& point) OVERRIDE;
  49   virtual void GetWindowMask(const gfx::Size& size,
  50                              gfx::Path* window_mask) OVERRIDE;
  51   virtual void ResetWindowControls() OVERRIDE;
  52   virtual void UpdateWindowIcon() OVERRIDE;
  53   virtual void UpdateWindowTitle() OVERRIDE;
  54
  55   // views::View overrides:
  56   virtual gfx::Size GetPreferredSize() OVERRIDE;
  57   virtual const char* GetClassName() const OVERRIDE;
  58   virtual gfx::Size GetMinimumSize() OVERRIDE;
  59   virtual gfx::Size GetMaximumSize() OVERRIDE;
  60   virtual void SchedulePaintInRect(const gfx::Rect& r) OVERRIDE;
  61   virtual bool HitTestRect(const gfx::Rect& rect) const OVERRIDE;
  62
  63   // Get the view of the header.
  64   views::View* GetHeaderView();
  65
  66  private:
  67   class OverlayView;
  68
  69   // Height from top of window to top of client area.
  70   int NonClientTopBorderHeight() const;
  71
  72   // Not owned.
  73   views::Widget* frame_;
  74
  75   // View which contains the title and window controls.
  76   class HeaderView;
  77   HeaderView* header_view_;
  78
  79   // Updates the hittest bounds overrides based on the window show type.
  80   scoped_ptr<FrameBorderHitTestController> frame_border_hit_test_controller_;
  81
  82   DISALLOW_COPY_AND_ASSIGN(CustomFrameViewAsh);
  83 };
  84
  85 }  // namespace ash
  86
  87 #endif  // ASH_WM_CUSTOM_FRAME_VIEW_ASH_H_