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// Copyright 2015 The Chromium Authors
// 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_UPDATE_H_
#define COMPONENTS_UPDATE_CLIENT_TASK_UPDATE_H_
#include <string>
#include <vector>
#include "base/functional/callback.h"
#include "base/functional/callback_helpers.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_refptr.h"
#include "base/sequence_checker.h"
#include "components/update_client/task.h"
#include "components/update_client/update_client.h"
namespace update_client {
class UpdateEngine;
enum class Error;
// Defines a specialized task for updating a group of CRXs.
class TaskUpdate : public Task {
public:
using Callback =
base::OnceCallback<void(scoped_refptr<Task> task, Error error)>;
// |update_engine| is injected here to handle the task.
// |is_foreground| is true when the update task is initiated by the user.
// |is_install| is true when the task is initiated in an install flow.
// |ids| represents the CRXs to be updated by this task.
// |crx_data_callback| is called to get update data for the these CRXs.
// |callback| is called to return the execution flow back to creator of
// this task when the task is done.
TaskUpdate(scoped_refptr<UpdateEngine> update_engine,
bool is_foreground,
bool is_install,
const std::vector<std::string>& ids,
UpdateClient::CrxDataCallback crx_data_callback,
UpdateClient::CrxStateChangeCallback crx_state_change_callback,
Callback callback);
TaskUpdate(const TaskUpdate&) = delete;
TaskUpdate& operator=(const TaskUpdate&) = delete;
// Overrides for Task.
void Run() override;
void Cancel() override;
std::vector<std::string> GetIds() const override;
private:
~TaskUpdate() override;
// Called when the task has completed either because the task has run or
// it has been canceled.
void TaskComplete(Error error);
// Runs the task update callback.
void RunCallback(Error error);
SEQUENCE_CHECKER(sequence_checker_);
scoped_refptr<UpdateEngine> update_engine_;
const bool is_foreground_;
const bool is_install_;
const std::vector<std::string> ids_;
UpdateClient::CrxDataCallback crx_data_callback_;
UpdateClient::CrxStateChangeCallback crx_state_change_callback_;
Callback callback_;
bool cancelled_ = false;
base::RepeatingClosure cancel_callback_ = base::DoNothing();
};
} // namespace update_client
#endif // COMPONENTS_UPDATE_CLIENT_TASK_UPDATE_H_
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