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+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef ASH_SYSTEM_TRAY_ACTIONABLE_VIEW_H_
+#define ASH_SYSTEM_TRAY_ACTIONABLE_VIEW_H_
+
+#include "ash/ash_export.h"
+#include "base/basictypes.h"
+#include "base/compiler_specific.h"
+#include "ui/views/view.h"
+
+namespace ash {
+namespace internal {
+
+// A focusable view that performs an action when user clicks on it, or presses
+// enter or space when focused. Note that the action is triggered on mouse-up,
+// instead of on mouse-down. So if user presses the mouse on the view, then
+// moves the mouse out of the view and then releases, then the action will not
+// be performed.
+// Exported for SystemTray.
+class ASH_EXPORT ActionableView : public views::View {
+ public:
+ static const char kViewClassName[];
+
+ ActionableView();
+
+ virtual ~ActionableView();
+
+ void SetAccessibleName(const base::string16& name);
+ const base::string16& accessible_name() const { return accessible_name_; }
+
+ protected:
+ void OnPaintFocus(gfx::Canvas* canvas);
+
+ // Returns the bounds to paint the focus rectangle in.
+ virtual gfx::Rect GetFocusBounds();
+
+ // Performs an action when user clicks on the view (on mouse-press event), or
+ // presses a key when this view is in focus. Returns true if the event has
+ // been handled and an action was performed. Returns false otherwise.
+ virtual bool PerformAction(const ui::Event& event) = 0;
+
+ // Overridden from views::View.
+ virtual const char* GetClassName() const OVERRIDE;
+ virtual bool OnKeyPressed(const ui::KeyEvent& event) OVERRIDE;
+ virtual bool OnMousePressed(const ui::MouseEvent& event) OVERRIDE;
+ virtual void OnMouseReleased(const ui::MouseEvent& event) OVERRIDE;
+ virtual void OnMouseCaptureLost() OVERRIDE;
+ virtual void GetAccessibleState(ui::AccessibleViewState* state) OVERRIDE;
+ virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
+ virtual void OnFocus() OVERRIDE;
+ virtual void OnBlur() OVERRIDE;
+
+ // Overridden from ui::EventHandler.
+ virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE;
+
+ private:
+ base::string16 accessible_name_;
+ bool has_capture_;
+
+ DISALLOW_COPY_AND_ASSIGN(ActionableView);
+};
+
+} // namespace internal
+} // namespace ash
+
+#endif // ASH_SYSTEM_TRAY_ACTIONABLE_VIEW_H_