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// Copyright 2025 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_ACTOR_ACTOR_TASK_H_
#define CHROME_BROWSER_ACTOR_ACTOR_TASK_H_
#include <iosfwd>
#include <memory>
#include "base/types/pass_key.h"
#include "chrome/browser/actor/task_id.h"
namespace actor {
class ActorKeyedService;
class ExecutionEngine;
// Represents a task that Chrome is executing on behalf of the user.
class ActorTask {
public:
ActorTask();
explicit ActorTask(std::unique_ptr<ExecutionEngine> execution_engine);
ActorTask(const ActorTask&) = delete;
ActorTask& operator=(const ActorTask&) = delete;
~ActorTask();
// Can only be called by ActorKeyedService
void SetId(base::PassKey<ActorKeyedService>, TaskId id);
TaskId id() { return id_; }
// Once state leaves kCreated it should never go back. One state enters
// kFinished it should never change. We may want to add a kCancelled in the
// future, TBD.
enum class State {
kCreated,
kActing,
kReflecting,
kPausedByClient,
kFinished
};
State GetState() const;
void SetState(State state);
// Sets State to kFinished and cancels any pending actions.
void Stop();
// Pause() is called to indicate that the user is pausing server-driven
// actuation. This will cancel any ongoing actuation.
void Pause();
// Resume() indicates the user wants server-driven actuation to resume. The
// caller is responsible for sending new state to the server (e.g. APC).
void Resume();
bool IsPaused() const;
ExecutionEngine* GetExecutionEngine() const;
private:
State state_ = State::kCreated;
// There are multiple possible execution engines. For now we only support
// ExecutionEngine.
std::unique_ptr<ExecutionEngine> execution_engine_;
TaskId id_;
};
std::ostream& operator<<(std::ostream& os, const ActorTask::State& state);
} // namespace actor
#endif // CHROME_BROWSER_ACTOR_ACTOR_TASK_H_
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