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1 // Copyright 2017 The Chromium Authors. All rights reserved. | 1 // Copyright 2017 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CHROME_BROWSER_CHROMEOS_LOCK_SCREEN_APPS_STATE_CONTROLLER_H_ | 5 #ifndef CHROME_BROWSER_CHROMEOS_LOCK_SCREEN_APPS_STATE_CONTROLLER_H_ |
6 #define CHROME_BROWSER_CHROMEOS_LOCK_SCREEN_APPS_STATE_CONTROLLER_H_ | 6 #define CHROME_BROWSER_CHROMEOS_LOCK_SCREEN_APPS_STATE_CONTROLLER_H_ |
7 | 7 |
8 #include <memory> | 8 #include <memory> |
9 | 9 |
10 #include "ash/public/interfaces/tray_action.mojom.h" | 10 #include "ash/public/interfaces/tray_action.mojom.h" |
11 #include "base/observer_list.h" | 11 #include "base/observer_list.h" |
| 12 #include "base/scoped_observer.h" |
| 13 #include "chrome/browser/chromeos/lock_screen_apps/app_manager.h" |
12 #include "chrome/browser/chromeos/lock_screen_apps/state_observer.h" | 14 #include "chrome/browser/chromeos/lock_screen_apps/state_observer.h" |
| 15 #include "components/session_manager/core/session_manager_observer.h" |
13 #include "mojo/public/cpp/bindings/binding.h" | 16 #include "mojo/public/cpp/bindings/binding.h" |
14 | 17 |
| 18 class Profile; |
| 19 |
| 20 namespace session_manager { |
| 21 class SessionManager; |
| 22 } |
| 23 |
15 namespace lock_screen_apps { | 24 namespace lock_screen_apps { |
16 | 25 |
17 class StateObserver; | 26 class StateObserver; |
18 | 27 |
19 // Manages state of lock screen action handler apps, and notifies | 28 // Manages state of lock screen action handler apps, and notifies |
20 // interested parties as the state changes. | 29 // interested parties as the state changes. |
21 // Currently assumes single supported action - NEW_NOTE. | 30 // Currently assumes single supported action - NEW_NOTE. |
22 class StateController : public ash::mojom::TrayActionClient { | 31 class StateController : public ash::mojom::TrayActionClient, |
| 32 public session_manager::SessionManagerObserver, |
| 33 public AppManager::Observer { |
23 public: | 34 public: |
24 // Returns whether the StateController is enabled - it is currently guarded by | 35 // Returns whether the StateController is enabled - it is currently guarded by |
25 // a feature flag. If not enabled, |StateController| instance is not allowed | 36 // a feature flag. If not enabled, |StateController| instance is not allowed |
26 // to be created. |Get| will still work, but it will return nullptr. | 37 // to be created. |Get| will still work, but it will return nullptr. |
27 static bool IsEnabled(); | 38 static bool IsEnabled(); |
28 | 39 |
29 // Returns the global StateController instance. Note that this can return | 40 // Returns the global StateController instance. Note that this can return |
30 // nullptr when lock screen apps are not enabled (see |IsEnabled|). | 41 // nullptr when lock screen apps are not enabled (see |IsEnabled|). |
31 static StateController* Get(); | 42 static StateController* Get(); |
32 | 43 |
33 // Note that only one StateController is allowed per process. Creating a | 44 // Note that only one StateController is allowed per process. Creating a |
34 // StateController will set global instance ptr that can be accessed using | 45 // StateController will set global instance ptr that can be accessed using |
35 // |Get|. This pointer will be reset when the StateController is destroyed. | 46 // |Get|. This pointer will be reset when the StateController is destroyed. |
36 StateController(); | 47 StateController(); |
37 ~StateController() override; | 48 ~StateController() override; |
38 | 49 |
39 // Sets the tray action that should be used by |StateController|. | 50 // Sets the tray action that should be used by |StateController|. |
40 // Has to be called before |Initialize|. | 51 // Has to be called before |Initialize|. |
41 void SetTrayActionPtrForTesting(ash::mojom::TrayActionPtr tray_action_ptr); | 52 void SetTrayActionPtrForTesting(ash::mojom::TrayActionPtr tray_action_ptr); |
42 void FlushTrayActionForTesting(); | 53 void FlushTrayActionForTesting(); |
| 54 // Sets test AppManager implementation. Should be called before |
| 55 // |SetPrimaryProfile| |
| 56 void SetAppManagerForTesting(std::unique_ptr<AppManager> app_manager); |
43 | 57 |
44 // Initializes mojo bindings for the StateController - it creates binding to | 58 // Initializes mojo bindings for the StateController - it creates binding to |
45 // ash's tray action interface and sets this object as the interface's client. | 59 // ash's tray action interface and sets this object as the interface's client. |
46 void Initialize(); | 60 void Initialize(); |
| 61 void SetPrimaryProfile(Profile* profile); |
47 | 62 |
48 void AddObserver(StateObserver* observer); | 63 void AddObserver(StateObserver* observer); |
49 void RemoveObserver(StateObserver* observer); | 64 void RemoveObserver(StateObserver* observer); |
50 | 65 |
51 // Gets current state assiciated with the lock screen note action. | 66 // Gets current state assiciated with the lock screen note action. |
52 ash::mojom::TrayActionState GetLockScreenNoteState() const; | 67 ash::mojom::TrayActionState GetLockScreenNoteState() const; |
53 | 68 |
54 // ash::mojom::TrayActionClient: | 69 // ash::mojom::TrayActionClient: |
55 void RequestNewLockScreenNote() override; | 70 void RequestNewLockScreenNote() override; |
56 | 71 |
| 72 // session_manager::SessionManagerObserver: |
| 73 void OnSessionStateChanged() override; |
| 74 |
| 75 // AppManager::Observer: |
| 76 void OnNoteTakingAvailabilityChanged() override; |
| 77 |
57 // If there are any active lock screen action handlers, moved their windows | 78 // If there are any active lock screen action handlers, moved their windows |
58 // to background, to ensure lock screen UI is visible. | 79 // to background, to ensure lock screen UI is visible. |
59 void MoveToBackground(); | 80 void MoveToBackground(); |
60 | 81 |
61 // If there are any lock screen action handler in background, moves their | 82 // If there are any lock screen action handler in background, moves their |
62 // windows back to foreground (i.e. visible over lock screen UI). | 83 // windows back to foreground (i.e. visible over lock screen UI). |
63 void MoveToForeground(); | 84 void MoveToForeground(); |
64 | 85 |
65 // Sets the current state - to be used in tests. Hopefully, when this class | 86 // Sets the current state - to be used in tests. Hopefully, when this class |
66 // has more logic implemented, this will not be needed. | 87 // has more logic implemented, this will not be needed. |
67 void SetLockScreenNoteStateForTesting(ash::mojom::TrayActionState state); | 88 void SetLockScreenNoteStateForTesting(ash::mojom::TrayActionState state); |
68 | 89 |
69 private: | 90 private: |
70 // Requests lock screen note action state change to |state|. | 91 // Requests lock screen note action state change to |state|. |
71 // Returns whether the action state has changed. | 92 // Returns whether the action state has changed. |
72 bool UpdateLockScreenNoteState(ash::mojom::TrayActionState state); | 93 bool UpdateLockScreenNoteState(ash::mojom::TrayActionState state); |
73 | 94 |
74 // Notifies observers that the lock screen note action state changed. | 95 // Notifies observers that the lock screen note action state changed. |
75 void NotifyLockScreenNoteStateChanged(); | 96 void NotifyLockScreenNoteStateChanged(); |
76 | 97 |
77 // Lock screen note action state. | 98 // Lock screen note action state. |
78 ash::mojom::TrayActionState lock_screen_note_state_ = | 99 ash::mojom::TrayActionState lock_screen_note_state_ = |
79 ash::mojom::TrayActionState::kNotAvailable; | 100 ash::mojom::TrayActionState::kNotAvailable; |
80 | 101 |
81 base::ObserverList<StateObserver> observers_; | 102 base::ObserverList<StateObserver> observers_; |
82 | 103 |
83 mojo::Binding<ash::mojom::TrayActionClient> binding_; | 104 mojo::Binding<ash::mojom::TrayActionClient> binding_; |
84 ash::mojom::TrayActionPtr tray_action_ptr_; | 105 ash::mojom::TrayActionPtr tray_action_ptr_; |
85 | 106 |
| 107 std::unique_ptr<AppManager> app_manager_; |
| 108 |
| 109 ScopedObserver<session_manager::SessionManager, |
| 110 session_manager::SessionManagerObserver> |
| 111 session_observer_; |
| 112 |
86 DISALLOW_COPY_AND_ASSIGN(StateController); | 113 DISALLOW_COPY_AND_ASSIGN(StateController); |
87 }; | 114 }; |
88 | 115 |
89 } // namespace lock_screen_apps | 116 } // namespace lock_screen_apps |
90 | 117 |
91 #endif // CHROME_BROWSER_CHROMEOS_LOCK_SCREEN_APPS_STATE_CONTROLLER_H_ | 118 #endif // CHROME_BROWSER_CHROMEOS_LOCK_SCREEN_APPS_STATE_CONTROLLER_H_ |
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