1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
// Copyright 2017 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_SEND_PING_H_
#define COMPONENTS_UPDATE_CLIENT_TASK_SEND_PING_H_
#include <string>
#include <vector>
#include "base/functional/callback.h"
#include "base/memory/ref_counted.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 sending a one-off ping.
class TaskSendPing : public Task {
public:
using Callback =
base::OnceCallback<void(scoped_refptr<Task> task, Error error)>;
// `update_engine` is injected here to handle the task.
// `crx_component` represents the CRX to send the ping for.
// `ping_params` contains the parameters of the ping.
// `callback` is called to return the execution flow back to creator of this
// task when the task is done.
TaskSendPing(scoped_refptr<UpdateEngine> update_engine,
const CrxComponent& crx_component,
UpdateClient::PingParams ping_params,
Callback callback);
TaskSendPing(const TaskSendPing&) = delete;
TaskSendPing& operator=(const TaskSendPing&) = delete;
void Run() override;
void Cancel() override;
std::vector<std::string> GetIds() const override;
private:
~TaskSendPing() override;
// Called when the task has completed either because the task has run or
// it has been canceled.
void TaskComplete(Error error);
SEQUENCE_CHECKER(sequence_checker_);
scoped_refptr<UpdateEngine> update_engine_;
const CrxComponent crx_component_;
const UpdateClient::PingParams ping_params_;
Callback callback_;
};
} // namespace update_client
#endif // COMPONENTS_UPDATE_CLIENT_TASK_SEND_PING_H_
|
