1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 #include "chromeos/dbus/sms_client.h"
5
6 #include <map>
7 #include <utility>
8
9 #include "base/bind.h"
10 #include "base/location.h"
11 #include "base/memory/scoped_ptr.h"
12 #include "base/memory/weak_ptr.h"
13 #include "base/message_loop/message_loop.h"
14 #include "base/stl_util.h"
15 #include "base/strings/stringprintf.h"
16 #include "base/values.h"
17 #include "dbus/bus.h"
18 #include "dbus/message.h"
19 #include "dbus/object_proxy.h"
20 #include "dbus/values_util.h"
21 #include "third_party/cros_system_api/dbus/service_constants.h"
22
23 namespace chromeos {
24
25 namespace {
26
27 // SMSClient is used to communicate with the
28 // org.freedesktop.ModemManager1.SMS service. All methods should be
29 // called from the origin thread (UI thread) which initializes the
30 // DBusThreadManager instance.
31 class SMSClientImpl : public SMSClient {
32 public:
SMSClientImpl()33 SMSClientImpl() : bus_(NULL), weak_ptr_factory_(this) {}
34
~SMSClientImpl()35 virtual ~SMSClientImpl() {}
36
37 // Calls GetAll method. |callback| is called after the method call succeeds.
GetAll(const std::string & service_name,const dbus::ObjectPath & object_path,const GetAllCallback & callback)38 virtual void GetAll(const std::string& service_name,
39 const dbus::ObjectPath& object_path,
40 const GetAllCallback& callback) OVERRIDE {
41 dbus::ObjectProxy *proxy = bus_->GetObjectProxy(service_name, object_path);
42 dbus::MethodCall method_call(dbus::kDBusPropertiesInterface,
43 dbus::kDBusPropertiesGetAll);
44 dbus::MessageWriter writer(&method_call);
45 writer.AppendString(modemmanager::kModemManager1SmsInterface);
46 proxy->CallMethod(&method_call, dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
47 base::Bind(&SMSClientImpl::OnGetAll,
48 weak_ptr_factory_.GetWeakPtr(),
49 callback));
50 }
51
52 protected:
Init(dbus::Bus * bus)53 virtual void Init(dbus::Bus* bus) OVERRIDE {
54 bus_ = bus;
55 }
56
57 private:
58 // Handles responses of GetAll method calls.
OnGetAll(const GetAllCallback & callback,dbus::Response * response)59 void OnGetAll(const GetAllCallback& callback, dbus::Response* response) {
60 if (!response) {
61 // Must invoke the callback, even if there is no message.
62 base::DictionaryValue empty_dictionary;
63 callback.Run(empty_dictionary);
64 return;
65 }
66 dbus::MessageReader reader(response);
67 scoped_ptr<base::Value> value(dbus::PopDataAsValue(&reader));
68 base::DictionaryValue* dictionary_value = NULL;
69 if (!value.get() || !value->GetAsDictionary(&dictionary_value)) {
70 LOG(WARNING) << "Invalid response: " << response->ToString();
71 base::DictionaryValue empty_dictionary;
72 callback.Run(empty_dictionary);
73 return;
74 }
75 callback.Run(*dictionary_value);
76 }
77
78 dbus::Bus* bus_;
79
80 // Note: This should remain the last member so it'll be destroyed and
81 // invalidate its weak pointers before any other members are destroyed.
82 base::WeakPtrFactory<SMSClientImpl> weak_ptr_factory_;
83
84 DISALLOW_COPY_AND_ASSIGN(SMSClientImpl);
85 };
86
87 } // namespace
88
89 ////////////////////////////////////////////////////////////////////////////////
90 // SMSClient
91
SMSClient()92 SMSClient::SMSClient() {}
93
~SMSClient()94 SMSClient::~SMSClient() {}
95
96
97 // static
Create()98 SMSClient* SMSClient::Create() {
99 return new SMSClientImpl();
100 }
101
102 } // namespace chromeos
103