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// Copyright 2013 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/fake_nfc_tag_client.h"
#include "base/location.h"
#include "base/logging.h"
#include "base/single_thread_task_runner.h"
#include "base/thread_task_runner_handle.h"
#include "base/time/time.h"
#include "chromeos/dbus/dbus_thread_manager.h"
#include "chromeos/dbus/fake_nfc_adapter_client.h"
#include "chromeos/dbus/fake_nfc_record_client.h"
#include "dbus/object_path.h"
#include "third_party/cros_system_api/dbus/service_constants.h"
namespace chromeos {
using nfc_client_helpers::ObjectPathVector;
const char FakeNfcTagClient::kTagPath[] = "/fake/tag0";
const int FakeNfcTagClient::kDefaultSimulationTimeoutMilliseconds = 20000;
FakeNfcTagClient::Properties::Properties(
const PropertyChangedCallback& callback)
: NfcTagClient::Properties(NULL, callback) {
}
FakeNfcTagClient::Properties::~Properties() {
}
void FakeNfcTagClient::Properties::Get(
dbus::PropertyBase* property,
dbus::PropertySet::GetCallback callback) {
VLOG(1) << "Get " << property->name();
callback.Run(false);
}
void FakeNfcTagClient::Properties::GetAll() {
VLOG(1) << "GetAll";
}
void FakeNfcTagClient::Properties::Set(
dbus::PropertyBase* property,
dbus::PropertySet::SetCallback callback) {
VLOG(1) << "Set " << property->name();
callback.Run(false);
}
FakeNfcTagClient::FakeNfcTagClient()
: pairing_started_(false),
tag_visible_(false),
simulation_timeout_(kDefaultSimulationTimeoutMilliseconds) {
VLOG(1) << "Creating FakeNfcTagClient";
properties_.reset(new Properties(
base::Bind(&FakeNfcTagClient::OnPropertyChanged,
base::Unretained(this),
dbus::ObjectPath(kTagPath))));
}
FakeNfcTagClient::~FakeNfcTagClient() {
}
void FakeNfcTagClient::Init(dbus::Bus* bus) {
}
void FakeNfcTagClient::AddObserver(Observer* observer) {
observers_.AddObserver(observer);
}
void FakeNfcTagClient::RemoveObserver(Observer* observer) {
observers_.RemoveObserver(observer);
}
std::vector<dbus::ObjectPath> FakeNfcTagClient::GetTagsForAdapter(
const dbus::ObjectPath& adapter_path) {
std::vector<dbus::ObjectPath> tag_paths;
if (tag_visible_ &&
adapter_path.value() == FakeNfcAdapterClient::kAdapterPath0)
tag_paths.push_back(dbus::ObjectPath(kTagPath));
return tag_paths;
}
FakeNfcTagClient::Properties*
FakeNfcTagClient::GetProperties(const dbus::ObjectPath& object_path) {
if (!tag_visible_)
return NULL;
return properties_.get();
}
void FakeNfcTagClient::Write(
const dbus::ObjectPath& object_path,
const base::DictionaryValue& attributes,
const base::Closure& callback,
const nfc_client_helpers::ErrorCallback& error_callback) {
VLOG(1) << "FakeNfcTagClient::Write called. Nothing happened.";
if (!tag_visible_ || object_path.value() != kTagPath) {
LOG(ERROR) << "No such tag: " << object_path.value();
error_callback.Run(nfc_error::kDoesNotExist, "No such tag.");
return;
}
FakeNfcRecordClient* record_client = static_cast<FakeNfcRecordClient*>(
DBusThreadManager::Get()->GetNfcRecordClient());
if (!record_client->WriteTagRecord(attributes)) {
LOG(ERROR) << "Failed to tag: " << object_path.value();
error_callback.Run(nfc_error::kFailed, "Failed.");
return;
}
// Success!
callback.Run();
}
void FakeNfcTagClient::BeginPairingSimulation(int visibility_delay) {
if (pairing_started_) {
VLOG(1) << "Simulation already started.";
return;
}
DCHECK(!tag_visible_);
DCHECK(visibility_delay >= 0);
pairing_started_ = true;
base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
FROM_HERE,
base::Bind(&FakeNfcTagClient::MakeTagVisible, base::Unretained(this)),
base::TimeDelta::FromMilliseconds(visibility_delay));
}
void FakeNfcTagClient::EndPairingSimulation() {
if (!pairing_started_) {
VLOG(1) << "No simulation started.";
return;
}
pairing_started_ = false;
if (!tag_visible_)
return;
// Remove records, if they were added.
if (!properties_->records.value().empty()) {
FakeNfcRecordClient* record_client =
static_cast<FakeNfcRecordClient*>(
DBusThreadManager::Get()->GetNfcRecordClient());
record_client->SetTagRecordsVisible(false);
}
// Remove the tag.
FOR_EACH_OBSERVER(Observer, observers_,
TagRemoved(dbus::ObjectPath(kTagPath)));
FakeNfcAdapterClient* adapter_client =
static_cast<FakeNfcAdapterClient*>(
DBusThreadManager::Get()->GetNfcAdapterClient());
adapter_client->UnsetTag(dbus::ObjectPath(kTagPath));
tag_visible_ = false;
}
void FakeNfcTagClient::EnableSimulationTimeout(int simulation_timeout) {
DCHECK(simulation_timeout >= 0);
simulation_timeout_ = simulation_timeout;
}
void FakeNfcTagClient::DisableSimulationTimeout() {
simulation_timeout_ = -1;
}
void FakeNfcTagClient::SetRecords(
const std::vector<dbus::ObjectPath>& record_paths) {
if (!tag_visible_) {
VLOG(1) << "Tag not visible.";
return;
}
properties_->records.ReplaceValue(record_paths);
}
void FakeNfcTagClient::ClearRecords() {
ObjectPathVector records;
SetRecords(records);
}
void FakeNfcTagClient::OnPropertyChanged(const dbus::ObjectPath& object_path,
const std::string& property_name) {
FOR_EACH_OBSERVER(Observer, observers_,
TagPropertyChanged(object_path, property_name));
}
void FakeNfcTagClient::MakeTagVisible() {
if (!pairing_started_) {
VLOG(1) << "Tag pairing was cancelled.";
return;
}
tag_visible_ = true;
// Set the tag properties.
FakeNfcAdapterClient* adapter_client =
static_cast<FakeNfcAdapterClient*>(
DBusThreadManager::Get()->GetNfcAdapterClient());
adapter_client->SetTag(dbus::ObjectPath(kTagPath));
FOR_EACH_OBSERVER(Observer, observers_,
TagAdded(dbus::ObjectPath(kTagPath)));
properties_->type.ReplaceValue(nfc_tag::kTagType2);
properties_->protocol.ReplaceValue(nfc_common::kProtocolNfcDep);
properties_->read_only.ReplaceValue(false);
FOR_EACH_OBSERVER(Observer, observers_,
TagPropertiesReceived(dbus::ObjectPath(kTagPath)));
if (simulation_timeout_ >= 0) {
base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
FROM_HERE, base::Bind(&FakeNfcTagClient::HandleSimulationTimeout,
base::Unretained(this)),
base::TimeDelta::FromMilliseconds(simulation_timeout_));
return;
}
}
void FakeNfcTagClient::HandleSimulationTimeout() {
if (simulation_timeout_ < 0) {
VLOG(1) << "Simulation timeout was cancelled. Nothing to do.";
return;
}
EndPairingSimulation();
}
} // namespace chromeos
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