chromeos: Refactor D-Bus client creation for ash and browser processes

chromeos/dbus/dbus_clients_ash.cc

+// Copyright 2016 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.
+
+#include "chromeos/dbus/dbus_clients_ash.h"
+
+#include "base/command_line.h"
+#include "chromeos/chromeos_switches.h"
+#include "chromeos/dbus/dbus_thread_manager.h"
+#include "chromeos/dbus/fake_gsm_sms_client.h"
+#include "chromeos/dbus/fake_modem_messaging_client.h"
+#include "chromeos/dbus/fake_sms_client.h"
+#include "chromeos/dbus/gsm_sms_client.h"
+#include "chromeos/dbus/modem_messaging_client.h"
+#include "chromeos/dbus/sms_client.h"
+
+namespace chromeos {
+namespace {
+
+// Avoid ugly casts below.
+bool IsUsingReal(DBusClientTypeMask real_clients, DBusClientType type) {
+  return real_clients & static_cast<DBusClientTypeMask>(type);
+}
+
+}  // namespace
+
+DBusClientsAsh::DBusClientsAsh(DBusClientTypeMask real_clients) {
+  if (IsUsingReal(real_clients, DBusClientType::GSM_SMS)) {
+    gsm_sms_client_.reset(GsmSMSClient::Create());
+  } else {
+    FakeGsmSMSClient* gsm_sms_client = new FakeGsmSMSClient();
+    gsm_sms_client->set_sms_test_message_switch_present(
+        base::CommandLine::ForCurrentProcess()->HasSwitch(
+            chromeos::switches::kSmsTestMessages));
+    gsm_sms_client_.reset(gsm_sms_client);
+  }
+
+  if (IsUsingReal(real_clients, DBusClientType::MODEM_MESSAGING))
+    modem_messaging_client_.reset(ModemMessagingClient::Create());
+  else
+    modem_messaging_client_.reset(new FakeModemMessagingClient);
+
+  if (IsUsingReal(real_clients, DBusClientType::SMS))
+    sms_client_.reset(SMSClient::Create());
+  else
+    sms_client_.reset(new FakeSMSClient);
+}
+
+DBusClientsAsh::~DBusClientsAsh() {}
+
+void DBusClientsAsh::Initialize(dbus::Bus* system_bus) {
+  DCHECK(DBusThreadManager::IsInitialized());
+
+  gsm_sms_client_->Init(system_bus);
+  modem_messaging_client_->Init(system_bus);
+  sms_client_->Init(system_bus);
+}
+
+}  // namespace chromeos