// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_ASH_APP_LIST_ARC_ARC_PAI_STARTER_H_
#define CHROME_BROWSER_ASH_APP_LIST_ARC_ARC_PAI_STARTER_H_
#include <vector>
#include "ash/components/arc/mojom/app.mojom-forward.h"
#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/time/time.h"
#include "base/timer/timer.h"
#include "chrome/browser/ash/app_list/arc/arc_app_list_prefs.h"
class PrefService;
class Profile;
namespace arc {
// Helper class that starts Play Auto Install flow when all conditions are met:
// The Play Store app is ready and there is no lock for PAI flow.
class ArcPaiStarter : public ArcAppListPrefs::Observer {
public:
explicit ArcPaiStarter(Profile* profile);
ArcPaiStarter(const ArcPaiStarter&) = delete;
ArcPaiStarter& operator=(const ArcPaiStarter&) = delete;
~ArcPaiStarter() override;
// Creates PAI starter in case it has not been executed for the requested
// |context|.
static std::unique_ptr<ArcPaiStarter> CreateIfNeeded(Profile* profile);
// Registers callback that is called once PAI has been started. If PAI is
// started already then callback is called immediately.
void AddOnStartCallback(base::OnceClosure callback);
// Triggers retry for testing. This fails in case retry is not scheduled.
void TriggerRetryForTesting();
// Returns true if PAI request was already started.
bool started() const { return started_; }
private:
// Start PAI request if all conditions are met.
// * PAI is not yet started.
// * PAI is not locked externally.
// * PAI is not explicitly disabled in autotest.
// * Play Store app exists and is ready.
// * Request is not pending.
void MaybeStartPai();
// Called when PAI request completed successfully.
void OnPaiDone();
// Called when PAI request is done and |state| indicates state of the PAI flow
// after the request.
void OnPaiRequested(mojom::PaiFlowState state);
// ArcAppListPrefs::Observer:
void OnAppRegistered(const std::string& app_id,
const ArcAppListPrefs::AppInfo& app_info) override;
void OnAppStatesChanged(const std::string& app_id,
const ArcAppListPrefs::AppInfo& app_info) override;
const raw_ptr<Profile> profile_;
const raw_ptr<PrefService> pref_service_;
std::vector<base::OnceClosure> onstart_callbacks_;
// Set to true in case external component (Assistant) wants to lock PAI for
// awhile.
bool locked_ = false;
// Set to true once PAI request was successfully processed.
bool started_ = false;
// Indicates that PAI request is pending.
bool pending_ = false;
// Used in case PAI request returns an error and we have to retry the request
// after |retry_interval_seconds_|.
base::OneShotTimer retry_timer_;
// Contains interval for the next retry. Doubled on next attempt until reached
// maximum value.
base::TimeDelta retry_interval_;
// Used to report PAI flow time uma.
base::Time request_start_time_;
// Keep last.
base::WeakPtrFactory<ArcPaiStarter> weak_ptr_factory_{this};
};
} // namespace arc
#endif // CHROME_BROWSER_ASH_APP_LIST_ARC_ARC_PAI_STARTER_H_