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| 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "chromeos/dbus/system_clock_client.h" | 5 #include "chromeos/dbus/system_clock_client.h" |
| 6 | 6 |
| 7 #include "base/bind.h" | 7 #include "base/bind.h" |
| 8 #include "base/callback.h" | 8 #include "base/callback.h" |
| 9 #include "base/observer_list.h" | 9 #include "base/observer_list.h" |
| 10 #include "dbus/bus.h" | 10 #include "dbus/bus.h" |
| 11 #include "dbus/message.h" | 11 #include "dbus/message.h" |
| 12 #include "dbus/object_path.h" | 12 #include "dbus/object_path.h" |
| 13 #include "dbus/object_proxy.h" | 13 #include "dbus/object_proxy.h" |
| 14 #include "third_party/cros_system_api/dbus/service_constants.h" | 14 #include "third_party/cros_system_api/dbus/service_constants.h" |
| 15 | 15 |
| 16 namespace chromeos { | 16 namespace chromeos { |
| 17 | 17 |
| 18 // The SystemClockClient implementation used in production. | 18 // The SystemClockClient implementation used in production. |
| 19 class SystemClockClientImpl : public SystemClockClient { | 19 class SystemClockClientImpl : public SystemClockClient { |
| 20 public: | 20 public: |
| 21 SystemClockClientImpl() | 21 SystemClockClientImpl() |
| 22 : can_set_time_(false), | 22 : can_set_time_(false), |
| 23 can_set_time_initialized_(false), | 23 can_set_time_initialized_(false), |
| 24 system_clock_proxy_(NULL), | 24 system_clock_proxy_(NULL), |
| 25 weak_ptr_factory_(this) {} | 25 weak_ptr_factory_(this) {} |
| 26 | 26 |
| 27 virtual ~SystemClockClientImpl() { | 27 virtual ~SystemClockClientImpl() { |
| 28 } | 28 } |
| 29 | 29 |
| 30 virtual void AddObserver(Observer* observer) OVERRIDE { | 30 virtual void AddObserver(Observer* observer) override { |
| 31 observers_.AddObserver(observer); | 31 observers_.AddObserver(observer); |
| 32 } | 32 } |
| 33 | 33 |
| 34 virtual void RemoveObserver(Observer* observer) OVERRIDE { | 34 virtual void RemoveObserver(Observer* observer) override { |
| 35 observers_.RemoveObserver(observer); | 35 observers_.RemoveObserver(observer); |
| 36 } | 36 } |
| 37 | 37 |
| 38 virtual bool HasObserver(Observer* observer) OVERRIDE { | 38 virtual bool HasObserver(Observer* observer) override { |
| 39 return observers_.HasObserver(observer); | 39 return observers_.HasObserver(observer); |
| 40 } | 40 } |
| 41 | 41 |
| 42 virtual void SetTime(int64 time_in_seconds) OVERRIDE { | 42 virtual void SetTime(int64 time_in_seconds) override { |
| 43 // Always try to set the time, because |can_set_time_| may be stale. | 43 // Always try to set the time, because |can_set_time_| may be stale. |
| 44 dbus::MethodCall method_call(system_clock::kSystemClockInterface, | 44 dbus::MethodCall method_call(system_clock::kSystemClockInterface, |
| 45 system_clock::kSystemClockSet); | 45 system_clock::kSystemClockSet); |
| 46 dbus::MessageWriter writer(&method_call); | 46 dbus::MessageWriter writer(&method_call); |
| 47 writer.AppendInt64(time_in_seconds); | 47 writer.AppendInt64(time_in_seconds); |
| 48 system_clock_proxy_->CallMethod(&method_call, | 48 system_clock_proxy_->CallMethod(&method_call, |
| 49 dbus::ObjectProxy::TIMEOUT_USE_DEFAULT, | 49 dbus::ObjectProxy::TIMEOUT_USE_DEFAULT, |
| 50 dbus::ObjectProxy::EmptyResponseCallback()); | 50 dbus::ObjectProxy::EmptyResponseCallback()); |
| 51 } | 51 } |
| 52 | 52 |
| 53 virtual bool CanSetTime() OVERRIDE { return can_set_time_; } | 53 virtual bool CanSetTime() override { return can_set_time_; } |
| 54 | 54 |
| 55 protected: | 55 protected: |
| 56 virtual void Init(dbus::Bus* bus) OVERRIDE { | 56 virtual void Init(dbus::Bus* bus) override { |
| 57 system_clock_proxy_ = bus->GetObjectProxy( | 57 system_clock_proxy_ = bus->GetObjectProxy( |
| 58 system_clock::kSystemClockServiceName, | 58 system_clock::kSystemClockServiceName, |
| 59 dbus::ObjectPath(system_clock::kSystemClockServicePath)); | 59 dbus::ObjectPath(system_clock::kSystemClockServicePath)); |
| 60 | 60 |
| 61 // Check whether the system clock can be set. | 61 // Check whether the system clock can be set. |
| 62 GetCanSet(); | 62 GetCanSet(); |
| 63 | 63 |
| 64 // Monitor the D-Bus signal for TimeUpdated changes. | 64 // Monitor the D-Bus signal for TimeUpdated changes. |
| 65 system_clock_proxy_->ConnectToSignal( | 65 system_clock_proxy_->ConnectToSignal( |
| 66 system_clock::kSystemClockInterface, | 66 system_clock::kSystemClockInterface, |
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| 151 | 151 |
| 152 SystemClockClient::~SystemClockClient() { | 152 SystemClockClient::~SystemClockClient() { |
| 153 } | 153 } |
| 154 | 154 |
| 155 // static | 155 // static |
| 156 SystemClockClient* SystemClockClient::Create() { | 156 SystemClockClient* SystemClockClient::Create() { |
| 157 return new SystemClockClientImpl(); | 157 return new SystemClockClientImpl(); |
| 158 } | 158 } |
| 159 | 159 |
| 160 } // namespace chromeos | 160 } // namespace chromeos |
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