1 // Copyright 2013 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_TRAY_ACTIONABLE_VIEW_H_ 6 #define ASH_SYSTEM_TRAY_ACTIONABLE_VIEW_H_ 7 8 #include "ash/ash_export.h" 9 #include "base/basictypes.h" 10 #include "base/compiler_specific.h" 11 #include "ui/views/view.h" 12 13 namespace ash { 14 namespace internal { 15 16 // A focusable view that performs an action when user clicks on it, or presses 17 // enter or space when focused. Note that the action is triggered on mouse-up, 18 // instead of on mouse-down. So if user presses the mouse on the view, then 19 // moves the mouse out of the view and then releases, then the action will not 20 // be performed. 21 // Exported for SystemTray. 22 class ASH_EXPORT ActionableView : public views::View { 23 public: 24 static const char kViewClassName[]; 25 26 ActionableView(); 27 28 virtual ~ActionableView(); 29 30 void SetAccessibleName(const base::string16& name); accessible_name()31 const base::string16& accessible_name() const { return accessible_name_; } 32 33 protected: 34 void OnPaintFocus(gfx::Canvas* canvas); 35 36 // Returns the bounds to paint the focus rectangle in. 37 virtual gfx::Rect GetFocusBounds(); 38 39 // Performs an action when user clicks on the view (on mouse-press event), or 40 // presses a key when this view is in focus. Returns true if the event has 41 // been handled and an action was performed. Returns false otherwise. 42 virtual bool PerformAction(const ui::Event& event) = 0; 43 44 // Overridden from views::View. 45 virtual const char* GetClassName() const OVERRIDE; 46 virtual bool OnKeyPressed(const ui::KeyEvent& event) OVERRIDE; 47 virtual bool OnMousePressed(const ui::MouseEvent& event) OVERRIDE; 48 virtual void OnMouseReleased(const ui::MouseEvent& event) OVERRIDE; 49 virtual void OnMouseCaptureLost() OVERRIDE; 50 virtual void GetAccessibleState(ui::AccessibleViewState* state) OVERRIDE; 51 virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE; 52 virtual void OnFocus() OVERRIDE; 53 virtual void OnBlur() OVERRIDE; 54 55 // Overridden from ui::EventHandler. 56 virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE; 57 58 private: 59 base::string16 accessible_name_; 60 bool has_capture_; 61 62 DISALLOW_COPY_AND_ASSIGN(ActionableView); 63 }; 64 65 } // namespace internal 66 } // namespace ash 67 68 #endif // ASH_SYSTEM_TRAY_ACTIONABLE_VIEW_H_ 69