blob: 2cfac4f8b2e2dbad74d127a9ec3b295c96379257 (
plain)
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
|
// 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_UPDATE_H_
#define COMPONENTS_UPDATE_CLIENT_TASK_UPDATE_H_
#include <queue>
#include <string>
#include <vector>
#include "base/callback.h"
#include "base/macros.h"
#include "base/threading/thread_checker.h"
#include "components/update_client/task.h"
#include "components/update_client/update_client.h"
namespace update_client {
class UpdateEngine;
// Defines a specialized task for updating a group of CRXs.
class TaskUpdate : public Task {
public:
using Callback = base::Callback<void(Task* task, int error)>;
// |update_engine| is injected here to handle the task.
// |is_foreground| is true when the update task is initiated by the user,
// most likely as a result of an on-demand call.
// |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(UpdateEngine* update_engine,
bool is_foreground,
const std::vector<std::string>& ids,
const UpdateClient::CrxDataCallback& crx_data_callback,
const Callback& callback);
~TaskUpdate() override;
void Run() override;
private:
// Called when the Run function associated with this task has completed.
void RunComplete(int error);
base::ThreadChecker thread_checker_;
UpdateEngine* update_engine_; // Not owned by this class.
const bool is_foreground_;
const std::vector<std::string> ids_;
const UpdateClient::CrxDataCallback crx_data_callback_;
const Callback callback_;
DISALLOW_COPY_AND_ASSIGN(TaskUpdate);
};
} // namespace update_client
#endif // COMPONENTS_UPDATE_CLIENT_TASK_UPDATE_H_
|
