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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <string>
#include "base/callback_forward.h"
class Profile;
namespace lock_screen_apps {
class LockScreenProfileCreator;
// Interface for managing lock screen enabled action handler apps in the lock
// screen enabled profile. Initially, it will be used primarily to manage lock
// screen note taking apps.
class AppManager {
virtual ~AppManager() {}
// Initializes the manager.
// |primary_profile| - the profile which is the source of the lock screen
// action handler app (if one is set). This is the profile whose
// settings are used to determine whether and for which app lock screen
// action is enabled, and it should be associated with the primary user.
// |lock_screen_profile_creator| - the object responsible for creating profile
// in which lock screen apps should be launched. It will detect when a
// note taking app is enabled on lock screen and create the profile.
// |AppManager| implementation can observe this class to detect when the
// profile is created and thus note taking app becomes available on lock
// screen.
virtual void Initialize(
Profile* primary_profile,
LockScreenProfileCreator* lock_screen_profile_creator) = 0;
// Activates the manager - this should ensure that lock screen enabled note
// taking app, if available, is loaded and enabled in the lock screen profile.
// |note_taking_changed_callback| - used to notify the client when the note
// taking app availability changes. It's cleared when the AppManager is
// stopped. It is not expected to be run after the app manager instance
// is destroyed.
virtual void Start(const base::Closure& note_taking_changed_callback) = 0;
// Stops the manager. After this is called, the app can be unloaded from the
// lock screen enabled profile. Subsequent launch requests should not be
// allowed.
virtual void Stop() = 0;
// If lock screen note taking app is available, launches the app with lock
// screen note taking action.
// Returns whether the app launch was attempted.
virtual bool LaunchNoteTaking() = 0;
// Returns whether a lock screen note taking is enabled and ready to launch.
virtual bool IsNoteTakingAppAvailable() const = 0;
// Returns the lock screen enabled lock screen note taking app, if a note
// taking app is enabled on lock screen (for primary profile).
virtual std::string GetNoteTakingAppId() const = 0;
} // namespace lock_screen_apps