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_SYSTEM_STATUS_AREA_WIDGET_DELEGATE_H_ 6 #define ASH_SYSTEM_STATUS_AREA_WIDGET_DELEGATE_H_ 7 8 #include "ash/ash_export.h" 9 #include "ash/shelf/shelf_types.h" 10 #include "ash/wm/gestures/shelf_gesture_handler.h" 11 #include "ui/gfx/image/image_skia.h" 12 #include "ui/views/accessible_pane_view.h" 13 #include "ui/views/widget/widget_delegate.h" 14 15 namespace ash { 16 class FocusCycler; 17 18 class ASH_EXPORT StatusAreaWidgetDelegate : public views::AccessiblePaneView, 19 public views::WidgetDelegate { 20 public: 21 StatusAreaWidgetDelegate(); 22 virtual ~StatusAreaWidgetDelegate(); 23 24 // Add a tray view to the widget (e.g. system tray, web notifications). 25 void AddTray(views::View* tray); 26 27 // Called whenever layout might change (e.g. alignment changed). 28 void UpdateLayout(); 29 30 // Sets the focus cycler. 31 void SetFocusCyclerForTesting(const FocusCycler* focus_cycler); 32 33 void set_alignment(ShelfAlignment alignment) { alignment_ = alignment; } 34 35 // Overridden from views::AccessiblePaneView. 36 virtual View* GetDefaultFocusableChild() OVERRIDE; 37 38 // Overridden from views::View: 39 virtual views::Widget* GetWidget() OVERRIDE; 40 virtual const views::Widget* GetWidget() const OVERRIDE; 41 42 // Overridden from ui::EventHandler: 43 virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE; 44 45 // views::WidgetDelegate overrides: 46 virtual bool CanActivate() const OVERRIDE; 47 virtual void DeleteDelegate() OVERRIDE; 48 49 protected: 50 // Overridden from views::View: 51 virtual void ChildPreferredSizeChanged(views::View* child) OVERRIDE; 52 virtual void ChildVisibilityChanged(views::View* child) OVERRIDE; 53 54 private: 55 void UpdateWidgetSize(); 56 57 const FocusCycler* focus_cycler_for_testing_; 58 ShelfAlignment alignment_; 59 60 ShelfGestureHandler gesture_handler_; 61 62 DISALLOW_COPY_AND_ASSIGN(StatusAreaWidgetDelegate); 63 }; 64 65 } // namespace ash 66 67 #endif // ASH_SYSTEM_STATUS_AREA_WIDGET_DELEGATE_H_ 68
