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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_APP_ACTIVITY_WATCHER_H_
#define CHROME_BROWSER_ASH_CHILD_ACCOUNTS_ON_DEVICE_CONTROLS_APP_ACTIVITY_WATCHER_H_
#include <set>
#include "base/memory/raw_ptr.h"
#include "base/scoped_observation.h"
#include "base/unguessable_token.h"
#include "chrome/browser/apps/app_service/app_service_proxy_forward.h"
#include "components/services/app_service/public/cpp/instance_registry.h"
namespace ash::on_device_controls {
class BlockedAppRegistry;
// A class to watch running apps and prevent blocked ones from running.
class AppActivityWatcher : public apps::InstanceRegistry::Observer {
public:
AppActivityWatcher(BlockedAppRegistry* blocked_app_registry,
apps::AppServiceProxy* app_service_proxy);
AppActivityWatcher(const AppActivityWatcher&) = delete;
AppActivityWatcher& operator=(const AppActivityWatcher&) = delete;
~AppActivityWatcher() override;
// apps::InstanceRegistry::Observer:
void OnInstanceUpdate(const apps::InstanceUpdate& update) override;
void OnInstanceRegistryWillBeDestroyed(
apps::InstanceRegistry* cache) override;
private:
// Owns the instance of this class.
const raw_ptr<BlockedAppRegistry> blocked_app_registry_;
// Owned externally and outlives this class.
const raw_ptr<apps::AppServiceProxy> app_service_proxy_;
// Instance IDs of running apps that should be blocked.
std::set<base::UnguessableToken> blocking_instance_ids_;
base::ScopedObservation<apps::InstanceRegistry,
apps::InstanceRegistry::Observer>
instance_registry_observation_{this};
};
} // namespace ash::on_device_controls
#endif // CHROME_BROWSER_ASH_CHILD_ACCOUNTS_ON_DEVICE_CONTROLS_APP_ACTIVITY_WATCHER_H_
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