1//
2// Copyright (C) 2016 The Android Open Source Project
3//
4// Licensed under the Apache License, Version 2.0 (the "License");
5// you may not use this file except in compliance with the License.
6// You may obtain a copy of the License at
7//
8//      http://www.apache.org/licenses/LICENSE-2.0
9//
10// Unless required by applicable law or agreed to in writing, software
11// distributed under the License is distributed on an "AS IS" BASIS,
12// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13// See the License for the specific language governing permissions and
14// limitations under the License.
15//
16
17#ifndef UPDATE_ENGINE_SERVICE_OBSERVER_INTERFACE_H_
18#define UPDATE_ENGINE_SERVICE_OBSERVER_INTERFACE_H_
19
20#include <memory>
21#include <string>
22
23#include "update_engine/client_library/include/update_engine/update_status.h"
24#include "update_engine/common/error_code.h"
25
26namespace chromeos_update_engine {
27
28class ServiceObserverInterface {
29 public:
30  virtual ~ServiceObserverInterface() = default;
31
32  // Called whenever the value of these parameters changes. For |progress|
33  // value changes, this method will be called only if it changes significantly.
34  virtual void SendStatusUpdate(int64_t last_checked_time,
35                                double progress,
36                                update_engine::UpdateStatus status,
37                                const std::string& new_version,
38                                int64_t new_size) = 0;
39
40  // Called whenever an update attempt is completed.
41  virtual void SendPayloadApplicationComplete(ErrorCode error_code) = 0;
42
43 protected:
44  ServiceObserverInterface() = default;
45};
46
47}  // namespace chromeos_update_engine
48
49#endif  // UPDATE_ENGINE_SERVICE_OBSERVER_INTERFACE_H_
50