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// Copyright 2024 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_CHILD_ACCOUNTS_ON_DEVICE_CONTROLS_BLOCKED_APP_REGISTRY_H_
#define CHROME_BROWSER_ASH_CHILD_ACCOUNTS_ON_DEVICE_CONTROLS_BLOCKED_APP_REGISTRY_H_
#include <map>
#include <set>
#include <string>
#include "base/memory/raw_ptr.h"
#include "base/scoped_observation.h"
#include "chrome/browser/apps/app_service/app_service_proxy_forward.h"
#include "chrome/browser/ash/child_accounts/on_device_controls/app_activity_watcher.h"
#include "chrome/browser/ash/child_accounts/on_device_controls/blocked_app_store.h"
#include "chrome/browser/ash/child_accounts/on_device_controls/blocked_app_types.h"
#include "components/services/app_service/public/cpp/app_registry_cache.h"
class PrefService;
namespace ash::on_device_controls {
// Keeps track of blocked apps and persists blocked apps on the disk.
// TODO(b/338246850): Handle app uninstall/reinstall.
// TODO(b/338247185): Persist blocked apps in a pref.
class BlockedAppRegistry : public apps::AppRegistryCache::Observer {
public:
BlockedAppRegistry(apps::AppServiceProxy* app_service,
PrefService* pref_service);
BlockedAppRegistry(const BlockedAppRegistry&) = delete;
BlockedAppRegistry& operator=(const BlockedAppRegistry&) = delete;
~BlockedAppRegistry() override;
// Adds an app identified with `app_id` to the registry.
// Mark app as blocked. It will have no effect if the app is already blocked.
void AddApp(const std::string& app_id);
// Removes an app identified with an `app_id` from the registry.
// Marks app as unblocked. Will have no effect if the app is not blocked.
void RemoveApp(const std::string& app_id);
// Removes all apps from the registry and marks all blocked apps as unblocked.
// No effect if the registry is empty.
void RemoveAllApps();
// Returns the set with ids for all blocked apps.
std::set<std::string> GetBlockedApps();
// Returns the local state of the app based on its presences in the registry
LocalAppState GetAppState(const std::string& app_id) const;
private:
// apps::AppRegistryCache::Observer:
void OnAppUpdate(const apps::AppUpdate& update) override;
void OnAppRegistryCacheWillBeDestroyed(
apps::AppRegistryCache* cache) override;
apps::AppRegistryCache& GetAppCache();
// Called when app is installed and at the beginning of each
// user session. Restores the blocked state of the apps that are loaded or
// reinstalled.
void OnAppReady(const std::string& app_id);
// Called when app is uninstalled.
void OnAppUninstalled(const std::string& app_id);
// Returns the number of blocked apps that are uninstalled.
int GetUninstalledBlockedAppCount() const;
// Removes the oldest uninstalled blocked app from the registry.
void RemoveOldestUninstalledApp();
// The in-memory registry of the locked apps.
// Maps blocked app id to blocked ap metadata.
BlockedAppMap registry_;
// Manages persisting and restoring blocked apps.
BlockedAppStore store_;
const raw_ptr<apps::AppServiceProxy> app_service_;
// Watches for instances of blocked apps launched from play.
AppActivityWatcher app_activity_watcher_;
base::ScopedObservation<apps::AppRegistryCache,
apps::AppRegistryCache::Observer>
app_registry_cache_observer_{this};
};
} // namespace ash::on_device_controls
#endif // CHROME_BROWSER_ASH_CHILD_ACCOUNTS_ON_DEVICE_CONTROLS_BLOCKED_APP_REGISTRY_H_
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