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| 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 |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef CHROME_BROWSER_CHROMEOS_LOCK_SCREEN_APPS_APP_MANAGER_IMPL_H_ |
| 6 #define CHROME_BROWSER_CHROMEOS_LOCK_SCREEN_APPS_APP_MANAGER_IMPL_H_ |
| 7 |
| 8 #include <string> |
| 9 |
| 10 #include "base/callback.h" |
| 11 #include "base/macros.h" |
| 12 #include "base/observer_list.h" |
| 13 #include "base/scoped_observer.h" |
| 14 #include "chrome/browser/chromeos/lock_screen_apps/app_manager.h" |
| 15 #include "components/prefs/pref_change_registrar.h" |
| 16 #include "extensions/browser/extension_registry_observer.h" |
| 17 |
| 18 class Profile; |
| 19 |
| 20 namespace extensions { |
| 21 class Extension; |
| 22 class ExtensionRegistry; |
| 23 } |
| 24 |
| 25 namespace lock_screen_apps { |
| 26 |
| 27 // The default implementation of lock_screen_apps::AppManager. |
| 28 class AppManagerImpl : public AppManager, |
| 29 public extensions::ExtensionRegistryObserver { |
| 30 public: |
| 31 AppManagerImpl(); |
| 32 ~AppManagerImpl() override; |
| 33 |
| 34 // AppManager implementation: |
| 35 void Initialize(Profile* primary_profile, |
| 36 Profile* lock_screen_profile) override; |
| 37 void Start(const base::Closure& note_taking_changed_callback) override; |
| 38 void Stop() override; |
| 39 bool LaunchNoteTaking() override; |
| 40 bool IsNoteTakingAppAvailable() const override; |
| 41 std::string GetNoteTakingAppId() const override; |
| 42 |
| 43 // extensions::ExtensionRegistryObserver implementation: |
| 44 void OnExtensionLoaded(content::BrowserContext* browser_context, |
| 45 const extensions::Extension* extension) override; |
| 46 void OnExtensionUnloaded(content::BrowserContext* browser_context, |
| 47 const extensions::Extension* extension, |
| 48 extensions::UnloadedExtensionReason reason) override; |
| 49 |
| 50 private: |
| 51 enum class State { |
| 52 // The manager has not yet been initialized. |
| 53 kNotInitialized, |
| 54 // The manager is initialized, but not started. The note taking app is |
| 55 // considered unset at this point, and cannot be launched. |
| 56 kInactive, |
| 57 // The manager is started. Lock screen note taking app, if set, is loaded |
| 58 // and ready to be launched. |
| 59 kActive, |
| 60 }; |
| 61 |
| 62 // Called when note taking related prefs change. |
| 63 void OnNoteTakingExtensionChanged(); |
| 64 |
| 65 // Gets the currently enabled lock screen note taking app, is one is selected. |
| 66 // If no such app exists, returns an empty string. |
| 67 std::string FindLockScreenNoteTakingApp() const; |
| 68 |
| 69 // Loads and enables the lock screen note taking app to the lock screen |
| 70 // profile. |
| 71 bool AddAppToLockScreenProfile(const std::string& app_id); |
| 72 |
| 73 // Unloads lock screen note taking app from the lock screen profile. |
| 74 void UnloadLockApp(const std::string& app_id); |
| 75 |
| 76 Profile* primary_profile_ = nullptr; |
| 77 Profile* lock_screen_profile_ = nullptr; |
| 78 |
| 79 State state_ = State::kNotInitialized; |
| 80 std::string lock_screen_app_id_; |
| 81 |
| 82 PrefChangeRegistrar pref_change_registrar_; |
| 83 ScopedObserver<extensions::ExtensionRegistry, |
| 84 extensions::ExtensionRegistryObserver> |
| 85 extensions_observer_; |
| 86 |
| 87 base::Closure note_taking_changed_callback_; |
| 88 |
| 89 DISALLOW_COPY_AND_ASSIGN(AppManagerImpl); |
| 90 }; |
| 91 |
| 92 } // namespace lock_screen_apps |
| 93 |
| 94 #endif // CHROME_BROWSER_CHROMEOS_LOCK_SCREEN_APPS_APP_MANAGER_IMPL_H_ |
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