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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ash/quick_pair/keyed_service/battery_update_message_handler.h"
#include "base/containers/adapters.h"
#include "base/containers/contains.h"
#include "base/functional/bind.h"
#include "base/functional/callback.h"
#include "components/cross_device/logging/logging.h"
#include "device/bluetooth/bluetooth_adapter.h"
#include "device/bluetooth/bluetooth_adapter_factory.h"
#include "device/bluetooth/bluetooth_device.h"
namespace {
device::BluetoothDevice::BatteryInfo GetBatteryInfo(
const ash::quick_pair::mojom::BatteryInfoPtr& battery_info,
const device::BluetoothDevice::BatteryType& battery_type) {
if (battery_info->percentage == -1) {
return device::BluetoothDevice::BatteryInfo(
battery_type,
/*percentage=*/std::nullopt,
battery_info->is_charging
? device::BluetoothDevice::BatteryInfo::ChargeState::kCharging
: device::BluetoothDevice::BatteryInfo::ChargeState::kDischarging);
}
return device::BluetoothDevice::BatteryInfo(
battery_type, battery_info->percentage,
battery_info->is_charging
? device::BluetoothDevice::BatteryInfo::ChargeState::kCharging
: device::BluetoothDevice::BatteryInfo::ChargeState::kDischarging);
}
} // namespace
namespace ash {
namespace quick_pair {
BatteryUpdateMessageHandler::BatteryUpdateMessageHandler(
MessageStreamLookup* message_stream_lookup) {
device::BluetoothAdapterFactory::Get()->GetAdapter(
base::BindOnce(&BatteryUpdateMessageHandler::OnGetAdapter,
weak_ptr_factory_.GetWeakPtr()));
message_stream_lookup_observation_.Observe(message_stream_lookup);
}
void BatteryUpdateMessageHandler::OnGetAdapter(
scoped_refptr<device::BluetoothAdapter> adapter) {
adapter_ = adapter;
}
BatteryUpdateMessageHandler::~BatteryUpdateMessageHandler() {
// Remove any observation of remaining MessageStreams.
for (auto it = message_streams_.begin(); it != message_streams_.end(); it++) {
it->second->RemoveObserver(this);
}
}
void BatteryUpdateMessageHandler::OnMessageStreamConnected(
const std::string& device_address,
MessageStream* message_stream) {
if (!message_stream)
return;
message_stream->AddObserver(this);
message_streams_[device_address] = message_stream;
GetBatteryUpdateFromMessageStream(device_address, message_stream);
}
void BatteryUpdateMessageHandler::GetBatteryUpdateFromMessageStream(
const std::string& device_address,
MessageStream* message_stream) {
DCHECK(message_stream);
// Iterate over messages for battery update if it already exists.
for (const auto& message : base::Reversed(message_stream->messages())) {
if (message->is_battery_update()) {
SetBatteryInfo(device_address, message->get_battery_update());
return;
}
}
}
void BatteryUpdateMessageHandler::OnBatteryUpdateMessage(
const std::string& device_address,
const mojom::BatteryUpdatePtr& battery_update) {
SetBatteryInfo(device_address, battery_update);
}
void BatteryUpdateMessageHandler::OnDisconnected(
const std::string& device_address) {
CleanUpMessageStream(device_address);
}
void BatteryUpdateMessageHandler::OnMessageStreamDestroyed(
const std::string& device_address) {
CleanUpMessageStream(device_address);
}
void BatteryUpdateMessageHandler::SetBatteryInfo(
const std::string& device_address,
const mojom::BatteryUpdatePtr& battery_update) {
device::BluetoothDevice* device = adapter_->GetDevice(device_address);
if (!device) {
CD_LOG(INFO, Feature::FP)
<< "Device lost from adapter before battery info was set.";
CleanUpMessageStream(device_address);
return;
}
device::BluetoothDevice::BatteryInfo left_bud_info =
GetBatteryInfo(/*battery_info=*/battery_update->left_bud_info,
/*battery_type=*/device::BluetoothDevice::BatteryType::
kLeftBudTrueWireless);
device->SetBatteryInfo(left_bud_info);
device::BluetoothDevice::BatteryInfo right_bud_info =
GetBatteryInfo(/*battery_info=*/battery_update->right_bud_info,
/*battery_type=*/device::BluetoothDevice::BatteryType::
kRightBudTrueWireless);
device->SetBatteryInfo(right_bud_info);
device::BluetoothDevice::BatteryInfo case_info = GetBatteryInfo(
/*battery_info=*/battery_update->case_info,
/*battery_type=*/device::BluetoothDevice::BatteryType::kCaseTrueWireless);
device->SetBatteryInfo(case_info);
}
void BatteryUpdateMessageHandler::CleanUpMessageStream(
const std::string& device_address) {
if (!base::Contains(message_streams_, device_address)) {
return;
}
message_streams_[device_address]->RemoveObserver(this);
message_streams_.erase(device_address);
}
} // namespace quick_pair
} // namespace ash
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