chromeos/dbus/sms_client.cc

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