15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef FOCUS_CYCLER_H_ 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define FOCUS_CYCLER_H_ 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <vector> 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ash/ash_export.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/basictypes.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/compiler_specific.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace views { 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class Widget; 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace views 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace ash { 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// This class handles moving focus between a set of widgets and the main browser 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// window. 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class ASH_EXPORT FocusCycler { 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) enum Direction { 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FORWARD, 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) BACKWARD 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) }; 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FocusCycler(); 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ~FocusCycler(); 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Returns the widget the FocusCycler is attempting to activate or NULL if 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // FocusCycler is not activating any widgets. 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const views::Widget* widget_activating() const { return widget_activating_; } 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Add a widget to the focus cycle. The widget needs to have an 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // AccessiblePaneView as the content view. 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void AddWidget(views::Widget* widget); 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Move focus to the next widget. 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void RotateFocus(Direction direction); 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Moves focus the specified widget. Returns true if the widget was activated. 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool FocusWidget(views::Widget* widget); 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::vector<views::Widget*> widgets_; 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // See description above getter. 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) views::Widget* widget_activating_; 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(FocusCycler); 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace ash 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // FOCUS_CYCLER_H_ 58