1c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch// Copyright (c) 2010 The Chromium Authors. All rights reserved. 2c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch// Use of this source code is governed by a BSD-style license that can be 3c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch// found in the LICENSE file. 4c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 5c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch#ifndef CHROME_BROWSER_CHROMEOS_LOGIN_WIZARD_SCREEN_H_ 6c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch#define CHROME_BROWSER_CHROMEOS_LOGIN_WIZARD_SCREEN_H_ 73345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick#pragma once 8c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 972a454cd3513ac24fbdd0e0cb9ad70b86a99b801Kristian Monsen#include "ui/gfx/canvas.h" 10c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 11c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdochclass WizardScreen; 12c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdochnamespace chromeos { 13c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdochclass ScreenObserver; 14c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch} // namespace chromeos 153345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merricknamespace gfx { 163345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrickclass Size; 173345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick} // namespace gfx 18c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdochnamespace views { 19c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdochclass View; 20c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch} // namespace views 21c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 22c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch// Interface that login wizard exposes to its screens. 23c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdochclass WizardScreenDelegate { 24c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch public: 25c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // Returns top level view of the wizard. 26c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch virtual views::View* GetWizardView() = 0; 27c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 28c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // Returns observer screen should notify. 29c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch virtual chromeos::ScreenObserver* GetObserver(WizardScreen* screen) = 0; 30c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 3172a454cd3513ac24fbdd0e0cb9ad70b86a99b801Kristian Monsen // Forces the current screen to be shown immediately. 3272a454cd3513ac24fbdd0e0cb9ad70b86a99b801Kristian Monsen virtual void ShowCurrentScreen() = 0; 3372a454cd3513ac24fbdd0e0cb9ad70b86a99b801Kristian Monsen 34c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch protected: 35c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch virtual ~WizardScreenDelegate() {} 36c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch}; 37c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 38c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch// Interface that defines login wizard screens. 39c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch// Also holds a reference to a delegate. 40c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdochclass WizardScreen { 41c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch public: 42c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // Makes wizard screen visible. 43c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch virtual void Show() = 0; 44c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // Makes wizard screen invisible. 45c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch virtual void Hide() = 0; 463345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick // Returns the size the screen. 473345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick virtual gfx::Size GetScreenSize() const = 0; 48c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 49c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch protected: 50c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch explicit WizardScreen(WizardScreenDelegate* delegate): delegate_(delegate) {} 51c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch virtual ~WizardScreen() {} 52c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 53c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch WizardScreenDelegate* delegate() { return delegate_; } 54c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 55c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // Refreshes screen state. Should be called after view is made visible. 56c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch virtual void Refresh() = 0; 57c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 58c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch private: 59c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch WizardScreenDelegate* delegate_; 60c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch}; 61c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 62c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch#endif // CHROME_BROWSER_CHROMEOS_LOGIN_WIZARD_SCREEN_H_ 63