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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.
#ifndef CHROME_BROWSER_CHROMEOS_LOCK_SCREEN_APPS_LOCK_SCREEN_PROFILE_CREATOR_H_
#define CHROME_BROWSER_CHROMEOS_LOCK_SCREEN_APPS_LOCK_SCREEN_PROFILE_CREATOR_H_
#include <list>
#include "base/callback_forward.h"
#include "base/macros.h"
class Profile;
namespace lock_screen_apps {
// Abstract class to be used to create the lock screen apps profile - the
// profile used for launching/running lock screen enabled apps.
class LockScreenProfileCreator {
public:
LockScreenProfileCreator();
virtual ~LockScreenProfileCreator();
// Initializes the creator - it marks the object as initialized and calls
// |InitializeImpl|, a function that should be override to provide actual
// initialization logic. After this, the |LockScreenProfileCreator|
// implementation should be allowed to create lock screen profile.
void Initialize();
// Adds a closure that should be called when the lock screen profile provided
// by the class is created. If the profile is alredy created at the time this
// is called, |callback| will be run immediately.
void AddCreateProfileCallback(base::OnceClosure callback);
// Whether the |LockScreenProfileCreator| has been initialized.
bool Initialized() const;
// Whether the |LockScreenProfileCreator| finished profile creation, and the
// created, if any, profile can be retrieved using |lock_screen_profile()|.
// Note that |lock_screen_profile| might be null even if |ProfileCreated|
// returns true - in case the profile creation failed.
bool ProfileCreated() const;
Profile* lock_screen_profile() const { return lock_screen_profile_; }
protected:
// Should be overriden to provide initialization logic - the
// |LockScreenProfileCreator| instance should be put in state where it can
// determine whether the lock screen profile should be created and start
// profile creation when appropriate.
// For example, the class instance might start observing lock screen note
// taking availability, and start profile creation when a lock screen note
// taking app is available.
virtual void InitializeImpl() = 0;
// Should be called by the implementation to indicate profile creation has
// started.
void OnLockScreenProfileCreateStarted();
// Should be called by the implementation to finish profile creation - to
// set |lock_screen_profile_| and run profile creation callbacks.
void OnLockScreenProfileCreated(Profile* lock_screen_profile);
private:
enum class State {
kNotInitialized,
kInitialized,
kCreatingProfile,
kProfileCreated
};
// The current profile creator state.
State state_ = State::kNotInitialized;
// The lock screen profile created by this, set when the profile creation
// finishes.
Profile* lock_screen_profile_ = nullptr;
std::list<base::OnceClosure> create_profile_callbacks_;
DISALLOW_COPY_AND_ASSIGN(LockScreenProfileCreator);
};
} // namespace lock_screen_apps
#endif // CHROME_BROWSER_CHROMEOS_LOCK_SCREEN_APPS_LOCK_SCREEN_PROFILE_CREATOR_H_
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