1//
2// Copyright (C) 2015 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 SHILL_DBUS_CHROMEOS_MODEM_MANAGER_PROXY_H_
18#define SHILL_DBUS_CHROMEOS_MODEM_MANAGER_PROXY_H_
19
20#include <string>
21#include <vector>
22
23#include <base/macros.h>
24
25#include "cellular/dbus-proxies.h"
26#include "shill/cellular/modem_manager_proxy_interface.h"
27
28namespace shill {
29
30class EventDispatcher;
31class ModemManagerClassic;
32
33// There's a single proxy per (old) ModemManager service identified by
34// its DBus |path| and owner name |service|.
35class ChromeosModemManagerProxy : public ModemManagerProxyInterface {
36 public:
37  ChromeosModemManagerProxy(
38      EventDispatcher* dispatcher,
39      const scoped_refptr<dbus::Bus>& bus,
40      ModemManagerClassic* manager,
41      const std::string& path,
42      const std::string& service,
43      const base::Closure& service_appeared_callback,
44      const base::Closure& service_vanished_callback);
45  ~ChromeosModemManagerProxy() override;
46
47  // Inherited from ModemManagerProxyInterface.
48  std::vector<std::string> EnumerateDevices() override;
49
50 private:
51  // Signal handlers.
52  void DeviceAdded(const dbus::ObjectPath& device);
53  void DeviceRemoved(const dbus::ObjectPath& device);
54
55  // Called when service appeared or vanished.
56  void OnServiceAvailable(bool available);
57
58  // Service name owner changed handler.
59  void OnServiceOwnerChanged(const std::string& old_owner,
60                             const std::string& new_owner);
61
62  // Called when signal is connected to the ObjectProxy.
63  void OnSignalConnected(const std::string& interface_name,
64                         const std::string& signal_name,
65                         bool success);
66
67  std::unique_ptr<org::freedesktop::ModemManagerProxy> proxy_;
68  EventDispatcher* dispatcher_;
69  ModemManagerClassic* manager_;      // The owner of this proxy.
70  base::Closure service_appeared_callback_;
71  base::Closure service_vanished_callback_;
72  bool service_available_;
73
74  base::WeakPtrFactory<ChromeosModemManagerProxy> weak_factory_{this};
75  DISALLOW_COPY_AND_ASSIGN(ChromeosModemManagerProxy);
76};
77
78}  // namespace shill
79
80#endif  // SHILL_DBUS_CHROMEOS_MODEM_MANAGER_PROXY_H_
81