1// Copyright 2014 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 CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_CONTROLLER_PAIRING_SCREEN_H_
6#define CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_CONTROLLER_PAIRING_SCREEN_H_
7
8#include "base/macros.h"
9
10#include "chrome/browser/chromeos/login/screens/controller_pairing_screen_actor.h"
11#include "chrome/browser/chromeos/login/screens/screen_context.h"
12#include "chrome/browser/chromeos/login/screens/wizard_screen.h"
13#include "components/pairing/controller_pairing_controller.h"
14
15namespace chromeos {
16
17class ControllerPairingScreen :
18  public WizardScreen,
19  public pairing_chromeos::ControllerPairingController::Observer,
20  public ControllerPairingScreenActor::Delegate {
21 public:
22  ControllerPairingScreen(
23      ScreenObserver* observer,
24      ControllerPairingScreenActor* actor,
25      pairing_chromeos::ControllerPairingController* controller);
26  virtual ~ControllerPairingScreen();
27
28 private:
29  typedef pairing_chromeos::ControllerPairingController::Stage Stage;
30
31  void CommitContextChanges();
32  bool ExpectStageIs(Stage stage) const;
33
34  // Overridden from WizardScreen:
35  virtual void PrepareToShow() OVERRIDE;
36  virtual void Show() OVERRIDE;
37  virtual void Hide() OVERRIDE;
38  virtual std::string GetName() const OVERRIDE;
39
40  // Overridden from pairing_chromeos::ControllerPairingController::Observer:
41  virtual void PairingStageChanged(Stage new_stage) OVERRIDE;
42  virtual void DiscoveredDevicesListChanged() OVERRIDE;
43
44  // Overridden from ControllerPairingView::Delegate:
45  virtual void OnActorDestroyed(ControllerPairingScreenActor* actor) OVERRIDE;
46  virtual void OnScreenContextChanged(
47      const base::DictionaryValue& diff) OVERRIDE;
48  virtual void OnUserActed(const std::string& action) OVERRIDE;
49
50  // Context for sharing data between C++ and JS.
51  // TODO(dzhioev): move to BaseScreen when possible.
52  ScreenContext context_;
53
54  ControllerPairingScreenActor* actor_;
55
56  // Controller performing pairing. Owned by the wizard controller.
57  pairing_chromeos::ControllerPairingController* controller_;
58
59  // Current stage of pairing process.
60  Stage current_stage_;
61
62  // If this one is |false| first device in device list will be preselected on
63  // next device list update.
64  bool device_preselected_;
65
66  DISALLOW_COPY_AND_ASSIGN(ControllerPairingScreen);
67};
68
69}  // namespace chromeos
70
71#endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_CONTROLLER_PAIRING_SCREEN_H_
72