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// Copyright 2015 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 COMPONENTS_UPDATE_CLIENT_TASK_H_
#define COMPONENTS_UPDATE_CLIENT_TASK_H_
#include <string>
#include <vector>
#include "base/memory/ref_counted.h"
namespace update_client {
// Defines an abstraction for a unit of work done by the update client.
// Each invocation of the update client API results in a task being created and
// run. In most cases, a task corresponds to a set of CRXs, which are updated
// together.
class Task : public base::RefCountedThreadSafe<Task> {
public:
Task() = default;
Task(const Task&) = delete;
Task& operator=(const Task&) = delete;
virtual void Run() = 0;
// Does a best effort attempt to make a task release its resources and stop
// soon. It is possible that a running task may complete even if this
// method is called.
virtual void Cancel() = 0;
// Returns the ids corresponding to the CRXs associated with this update task.
virtual std::vector<std::string> GetIds() const = 0;
protected:
friend class base::RefCountedThreadSafe<Task>;
virtual ~Task() = default;
};
} // namespace update_client
#endif // COMPONENTS_UPDATE_CLIENT_TASK_H_
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