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// Copyright 2020 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_BOREALIS_BOREALIS_INSTALLER_H_
#define CHROME_BROWSER_ASH_BOREALIS_BOREALIS_INSTALLER_H_
#include <memory>
#include <string>
#include "base/functional/callback.h"
#include "base/observer_list_types.h"
#include "chrome/browser/ash/borealis/borealis_metrics.h"
#include "chrome/browser/ash/borealis/borealis_types.mojom-forward.h"
#include "components/keyed_service/core/keyed_service.h"
namespace borealis {
class BorealisInstaller : public KeyedService {
public:
enum class InstallingState {
kInactive,
kCheckingIfAllowed,
kInstallingDlc,
kStartingUp,
kAwaitingApplications,
};
// Observer class for the Borealis installation related events.
//
// TODO(b/189720611): It is not possible to have more than one observer, so
// refactor this to use callbacks rather than observers.
class Observer : public base::CheckedObserver {
public:
virtual void OnProgressUpdated(double fraction_complete) = 0;
virtual void OnStateUpdated(InstallingState new_state) = 0;
// Called when installation succeeds/fails, per |result|. If it fails,
// |error_description| contains a string useful for debugging/understanding
// the cause of the failure, not for end-users.
virtual void OnInstallationEnded(mojom::InstallResult result,
const std::string& error_description) = 0;
virtual void OnCancelInitiated() = 0;
};
BorealisInstaller();
~BorealisInstaller() override;
static std::string GetInstallingStateName(InstallingState state);
// Checks if an installation process is already running. This applies to
// installation only, uninstallation is unaffected (also for Start() and
// Cancel()).
virtual bool IsProcessing() = 0;
// Start the installation process.
virtual void Start() = 0;
// Cancels the installation process.
virtual void Cancel() = 0;
// Removes borealis and all of its associated apps/features from the system.
virtual void Uninstall(base::OnceCallback<void(BorealisUninstallResult)>
on_uninstall_callback) = 0;
virtual void AddObserver(Observer* observer) = 0;
virtual void RemoveObserver(Observer* observer) = 0;
};
} // namespace borealis
#endif // CHROME_BROWSER_ASH_BOREALIS_BOREALIS_INSTALLER_H_
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