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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_ASH_APP_MODE_STARTUP_APP_LAUNCHER_UPDATE_CHECKER_H_
#define CHROME_BROWSER_ASH_APP_MODE_STARTUP_APP_LAUNCHER_UPDATE_CHECKER_H_
#include "base/callback.h"
#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
class Profile;
namespace ash {
// Used by StartupAppLauncher to check for available extension updates for
// extensions other than the primary kiosk app - in particular for the secondary
// extensions and imports defined by the primary app.
class StartupAppLauncherUpdateChecker : public content::NotificationObserver {
public:
explicit StartupAppLauncherUpdateChecker(Profile* profile);
~StartupAppLauncherUpdateChecker() override;
using UpdateCheckCallback = base::OnceCallback<void(bool updates_found)>;
// Runs the extension update check.
// |callback| is called when the update check completes, with a boolean value
// indicating whether an update for an extension was found.
// Returns whether the update check has successfully started - callback will
// eventually be run only if the return value is true.
// It is safe to delete |this| before the update check is done - in that case
// the callback will never run.
bool Run(UpdateCheckCallback callback);
// content::NotificationObserver:
void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) override;
private:
// Callback for extension updater check.
void OnExtensionUpdaterDone();
Profile* const profile_;
// Whether an extensions with an available update has been detected.
bool update_found_ = false;
UpdateCheckCallback callback_;
content::NotificationRegistrar registrar_;
base::WeakPtrFactory<StartupAppLauncherUpdateChecker> weak_ptr_factory_{this};
DISALLOW_COPY_AND_ASSIGN(StartupAppLauncherUpdateChecker);
};
} // namespace ash
#endif // CHROME_BROWSER_ASH_APP_MODE_STARTUP_APP_LAUNCHER_UPDATE_CHECKER_H_