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// Copyright 2015 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 "device/bluetooth/bluetooth_audio_sink_chromeos.h"
#include <sstream>
#include "base/logging.h"
namespace chromeos {
BluetoothAudioSinkChromeOS::BluetoothAudioSinkChromeOS(
BluetoothAdapterChromeOS* adapter)
: state_(device::BluetoothAudioSink::STATE_INVALID),
present_(false),
powered_(false),
volume_(0),
read_mtu_(0),
write_mtu_(0),
adapter_(adapter),
weak_ptr_factory_(this) {
DCHECK(adapter_);
present_ = adapter_->IsPresent();
powered_ = adapter_->IsPowered();
if (present_ && powered_)
state_ = device::BluetoothAudioSink::STATE_DISCONNECTED;
adapter_->AddObserver(this);
}
BluetoothAudioSinkChromeOS::~BluetoothAudioSinkChromeOS() {
DCHECK(adapter_);
adapter_->RemoveObserver(this);
}
void BluetoothAudioSinkChromeOS::AddObserver(
device::BluetoothAudioSink::Observer* observer) {
DCHECK(observer);
observers_.AddObserver(observer);
}
void BluetoothAudioSinkChromeOS::RemoveObserver(
device::BluetoothAudioSink::Observer* observer) {
DCHECK(observer);
observers_.RemoveObserver(observer);
}
device::BluetoothAudioSink::State BluetoothAudioSinkChromeOS::GetState() const {
return state_;
}
uint16_t BluetoothAudioSinkChromeOS::GetVolume() const {
return volume_;
}
void BluetoothAudioSinkChromeOS::AdapterPresentChanged(
device::BluetoothAdapter* adapter,
bool present) {
// TODO(mcchou): BUG=441581
// If |persent| is true, change state to |STATE_DISCONNECTED| and call
// StateChanged(). Otherwise, change state to |STATE_INVALID| and call
// StateChanged.
}
void BluetoothAudioSinkChromeOS::AdapterPoweredChanged(
device::BluetoothAdapter* adapter,
bool powered) {
// TODO(mcchou): BUG=441581
// If |powered| is true, change state to |STATE_DISCONNECTED| and call
// StateChanged(). Otherwise, change state to |STATE_INVALID| and call
// StateChanged.
}
void BluetoothAudioSinkChromeOS::MediaRemoved(
const dbus::ObjectPath& object_path) {
// TODO(mcchou): BUG=441581
// Check if |object_path| equals to |media_path_|. If true, change the state
// of the audio sink, call StateChanged and reset the audio sink.
}
void BluetoothAudioSinkChromeOS::MediaTransportRemoved(
const dbus::ObjectPath& object_path) {
// TODO(mcchou): BUG=441581
// Check if |object_path| equals to |transport_path_|. If true, change the
// state of the audio sink, call StateChanged and reset the audio sink.
}
void BluetoothAudioSinkChromeOS::MediaTransportPropertyChanged(
const dbus::ObjectPath& object_path,
const std::string& property_name) {
// TODO(mcchou): BUG=441581
// Call StateChanged and VolumeChanged accordingly if there is any change on
// state/volume.
}
void BluetoothAudioSinkChromeOS::SetConfiguration(
const dbus::ObjectPath& transport_path,
const dbus::MessageReader& properties) {
// TODO(mcchou): BUG=441581
// Update |transport_path_| and store properties if needed.
}
void BluetoothAudioSinkChromeOS::SelectConfiguration(
const std::vector<uint8_t>& capabilities,
const SelectConfigurationCallback& callback) {
// TODO(mcchou): BUG=441581
// Use SelectConfigurationCallback to return the agreed capabilities.
}
void BluetoothAudioSinkChromeOS::ClearConfiguration(
const dbus::ObjectPath& transport_path) {
// TODO(mcchou): BUG=441581
// Reset the configuration to the default one and close IOBuffer.
}
void BluetoothAudioSinkChromeOS::Release() {
// TODO(mcchou): BUG=441581
// Let the audio sink does the clean-up and do nothing here.
}
void BluetoothAudioSinkChromeOS::Register(
const device::BluetoothAudioSink::Options& options,
const base::Closure& callback,
const device::BluetoothAudioSink::ErrorCallback& error_callback) {
// TODO(mcchou): BUG=441581
// Get Media object, initiate an Media Endpoint with options, and return the
// audio sink via callback. Add the audio sink as observer of both Media and
// Media Transport.
}
void BluetoothAudioSinkChromeOS::Unregister(
const base::Closure& callback,
const device::BluetoothAudioSink::ErrorCallback& error_callback) {
// TODO(mcchou): BUG=441581
// Clean |observers_| and |transport_path_| and reset |state_| and |volume_|.
}
void BluetoothAudioSinkChromeOS::StateChanged(
device::BluetoothAudioSink::State state) {
DCHECK_NE(state, state_);
VLOG(1) << "Bluetooth audio sink state changed: " << state;
state_ = state;
FOR_EACH_OBSERVER(device::BluetoothAudioSink::Observer, observers_,
BluetoothAudioSinkStateChanged(this, state_));
}
void BluetoothAudioSinkChromeOS::VolumeChanged(uint16_t volume) {
DCHECK_NE(volume, volume_);
VLOG(1) << "Bluetooth audio sink volume changed: " << volume;
volume_ = volume;
FOR_EACH_OBSERVER(device::BluetoothAudioSink::Observer, observers_,
BluetoothAudioSinkVolumeChanged(this, volume_));
}
void BluetoothAudioSinkChromeOS::ReadFromFD() {
DCHECK_GE(fd_.value(), 0);
// TODO(mcchou): BUG=441581
// Read from file descriptor using watcher and create a buffer to contain the
// data. Notify |Observers_| while there is audio data available.
}
} // namespace chromeos
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