cosmic-applets/cosmic-applet-bluetooth/src/app.rs
2023-12-11 14:45:36 -05:00

569 lines
22 KiB
Rust

use crate::bluetooth::{BluerDeviceStatus, BluerRequest, BluerState};
use cosmic::applet::token::subscription::{
activation_token_subscription, TokenRequest, TokenUpdate,
};
use cosmic::cctk::sctk::reexports::calloop;
use cosmic::applet::{menu_button, padded_control};
use cosmic::Command;
use cosmic::{
iced::{
self,
wayland::popup::{destroy_popup, get_popup},
widget::{column, container, row, scrollable, text, Column},
Alignment, Length, Subscription,
},
iced_runtime::core::{
alignment::{Horizontal, Vertical},
layout::Limits,
window,
},
iced_style::application,
widget::{button, divider, icon},
Element, Theme,
};
use cosmic_time::{anim, chain, id, once_cell::sync::Lazy, Instant, Timeline};
use std::collections::HashMap;
use std::time::Duration;
use tokio::sync::mpsc::Sender;
use crate::bluetooth::{bluetooth_subscription, BluerDevice, BluerEvent};
use crate::{config, fl};
static BLUETOOTH_ENABLED: Lazy<id::Toggler> = Lazy::new(id::Toggler::unique);
pub fn run() -> cosmic::iced::Result {
cosmic::applet::run::<CosmicBluetoothApplet>(false, ())
}
#[derive(Default)]
struct CosmicBluetoothApplet {
core: cosmic::app::Core,
icon_name: String,
popup: Option<window::Id>,
bluer_state: BluerState,
bluer_sender: Option<Sender<BluerRequest>>,
// UI state
show_visible_devices: bool,
request_confirmation: Option<(BluerDevice, String, Sender<bool>)>,
token_tx: Option<calloop::channel::Sender<TokenRequest>>,
timeline: Timeline,
}
impl CosmicBluetoothApplet {
fn update_icon(&mut self) {
self.icon_name = if self.bluer_state.bluetooth_enabled {
"cosmic-applet-bluetooth-active-symbolic"
} else {
"cosmic-applet-bluetooth-disabled-symbolic"
}
.to_string();
}
}
#[derive(Debug, Clone)]
enum Message {
TogglePopup,
CloseRequested(window::Id),
ToggleVisibleDevices(bool),
Ignore,
BluetoothEvent(BluerEvent),
Request(BluerRequest),
Cancel,
Confirm,
Token(TokenUpdate),
OpenSettings,
Frame(Instant),
ToggleBluetooth(chain::Toggler, bool),
}
impl cosmic::Application for CosmicBluetoothApplet {
type Message = Message;
type Executor = cosmic::SingleThreadExecutor;
type Flags = ();
const APP_ID: &'static str = config::APP_ID;
fn init(
core: cosmic::app::Core,
_flags: Self::Flags,
) -> (Self, iced::Command<cosmic::app::Message<Self::Message>>) {
(
Self {
core,
icon_name: "bluetooth-symbolic".to_string(),
token_tx: None,
..Default::default()
},
Command::none(),
)
}
fn core(&self) -> &cosmic::app::Core {
&self.core
}
fn core_mut(&mut self) -> &mut cosmic::app::Core {
&mut self.core
}
fn update(
&mut self,
message: Self::Message,
) -> iced::Command<cosmic::app::Message<Self::Message>> {
match message {
Message::TogglePopup => {
if let Some(p) = self.popup.take() {
return destroy_popup(p);
} else {
// TODO request update of state maybe
let new_id = window::Id::unique();
self.popup.replace(new_id);
let mut popup_settings = self.core.applet.get_popup_settings(
window::Id::MAIN,
new_id,
None,
None,
None,
);
popup_settings.positioner.size_limits = Limits::NONE
.min_height(1.0)
.min_width(1.0)
.max_height(800.0)
.max_width(400.0);
let tx = self.bluer_sender.as_ref().cloned();
return Command::batch(vec![
iced::Command::perform(
async {
if let Some(tx) = tx {
let _ = tx.send(BluerRequest::StateUpdate).await;
}
},
|_| cosmic::app::message::app(Message::Ignore),
),
get_popup(popup_settings),
]);
}
}
Message::Ignore => {}
Message::ToggleVisibleDevices(enabled) => {
self.show_visible_devices = enabled;
}
Message::BluetoothEvent(e) => match e {
BluerEvent::RequestResponse {
req,
state,
err_msg,
} => {
if let Some(err_msg) = err_msg {
eprintln!("bluetooth request error: {}", err_msg);
}
if self.bluer_state.bluetooth_enabled != state.bluetooth_enabled {
self.timeline
.set_chain(if state.bluetooth_enabled {
chain::Toggler::on(BLUETOOTH_ENABLED.clone(), 1.0)
} else {
chain::Toggler::off(BLUETOOTH_ENABLED.clone(), 1.0)
})
.start();
}
self.bluer_state = state;
// TODO special handling for some requests
match req {
BluerRequest::StateUpdate
if self.popup.is_some() && self.bluer_sender.is_some() =>
{
let tx = self.bluer_sender.as_ref().cloned().unwrap();
tokio::spawn(async move {
// sleep for a bit before requesting state update again
tokio::time::sleep(Duration::from_millis(3000)).await;
let _ = tx.send(BluerRequest::StateUpdate).await;
});
}
_ => {}
};
}
BluerEvent::Init { sender, state } => {
self.bluer_sender.replace(sender);
self.bluer_state = state;
}
BluerEvent::DevicesChanged { state } => {
self.bluer_state = state;
}
BluerEvent::Finished => {
// TODO should this exit with an error causing a restart?
eprintln!("bluetooth subscription finished. exiting...");
std::process::exit(0);
}
// TODO handle agent events
BluerEvent::AgentEvent(event) => match event {
crate::bluetooth::BluerAgentEvent::DisplayPinCode(_d, _code) => {}
crate::bluetooth::BluerAgentEvent::DisplayPasskey(_d, _code) => {}
crate::bluetooth::BluerAgentEvent::RequestPinCode(_d) => {
// TODO anything to be done here?
}
crate::bluetooth::BluerAgentEvent::RequestPasskey(_d) => {
// TODO anything to be done here?
}
crate::bluetooth::BluerAgentEvent::RequestConfirmation(d, code, tx) => {
self.request_confirmation.replace((d, code, tx));
}
crate::bluetooth::BluerAgentEvent::RequestDeviceAuthorization(_d, _tx) => {
// TODO anything to be done here?
}
crate::bluetooth::BluerAgentEvent::RequestServiceAuthorization(
_d,
_service,
_tx,
) => {
// my headphones seem to always request this
// doesn't seem to be defined in the UX mockups
// dbg!(
// "request service authorization",
// d.name,
// bluer::id::Service::try_from(service)
// .map(|s| s.to_string())
// .unwrap_or_else(|_| "unknown".to_string())
// );
}
},
},
Message::Request(r) => {
match &r {
BluerRequest::SetBluetoothEnabled(enabled) => {
self.bluer_state.bluetooth_enabled = *enabled;
}
BluerRequest::ConnectDevice(add) => {
if let Some(d) = self
.bluer_state
.devices
.iter_mut()
.find(|d| d.address == *add)
{
d.status = BluerDeviceStatus::Connecting;
}
}
BluerRequest::DisconnectDevice(add) => {
if let Some(d) = self
.bluer_state
.devices
.iter_mut()
.find(|d| d.address == *add)
{
d.status = BluerDeviceStatus::Disconnecting;
}
}
BluerRequest::PairDevice(add) => {
if let Some(d) = self
.bluer_state
.devices
.iter_mut()
.find(|d| d.address == *add)
{
d.status = BluerDeviceStatus::Pairing;
}
}
_ => {} // TODO
}
if let Some(tx) = self.bluer_sender.as_mut().cloned() {
tokio::spawn(async move {
let _ = tx.send(r).await;
});
}
}
Message::Cancel => {
if let Some((_, _, tx)) = self.request_confirmation.take() {
tokio::spawn(async move {
let _ = tx.send(false).await;
});
}
}
Message::Confirm => {
if let Some((_, _, tx)) = self.request_confirmation.take() {
tokio::spawn(async move {
let _ = tx.send(true).await;
});
}
}
Message::CloseRequested(id) => {
if Some(id) == self.popup {
self.popup = None;
}
}
Message::OpenSettings => {
let exec = "cosmic-settings bluetooth".to_string();
if let Some(tx) = self.token_tx.as_ref() {
let _ = tx.send(TokenRequest {
app_id: Self::APP_ID.to_string(),
exec,
});
};
}
Message::Token(u) => match u {
TokenUpdate::Init(tx) => {
self.token_tx = Some(tx);
}
TokenUpdate::Finished => {
self.token_tx = None;
}
TokenUpdate::ActivationToken { token, .. } => {
let mut cmd = std::process::Command::new("cosmic-settings");
cmd.arg("bluetooth");
if let Some(token) = token {
cmd.env("XDG_ACTIVATION_TOKEN", &token);
cmd.env("DESKTOP_STARTUP_ID", &token);
}
cosmic::process::spawn(cmd);
}
},
Message::Frame(instant) => self.timeline.now(instant),
Message::ToggleBluetooth(chain, enabled) => {
if self.bluer_state.bluetooth_enabled == enabled {
return Command::none();
}
self.timeline.set_chain(chain).start();
self.bluer_state.bluetooth_enabled = enabled;
if let Some(tx) = self.bluer_sender.clone() {
tokio::spawn(async move {
let _ = tx.send(BluerRequest::SetBluetoothEnabled(enabled)).await;
});
}
}
}
self.update_icon();
Command::none()
}
fn view(&self) -> Element<Message> {
self.core
.applet
.icon_button(&self.icon_name)
.on_press(Message::TogglePopup)
.into()
}
fn view_window(&self, _id: window::Id) -> Element<Message> {
let mut known_bluetooth = column![];
for dev in self.bluer_state.devices.iter().filter(|d| {
!self
.request_confirmation
.as_ref()
.map_or(false, |(dev, _, _)| d.address == dev.address)
}) {
let mut row = row![
icon::from_name(dev.icon.as_str()).size(16).symbolic(true),
text(dev.name.clone())
.size(14)
.horizontal_alignment(Horizontal::Left)
.vertical_alignment(Vertical::Center)
.width(Length::Fill)
]
.align_items(Alignment::Center)
.spacing(12);
match &dev.status {
BluerDeviceStatus::Connected => {
row = row.push(
text(fl!("connected"))
.size(14)
.horizontal_alignment(Horizontal::Right)
.vertical_alignment(Vertical::Center),
);
}
BluerDeviceStatus::Paired => {}
BluerDeviceStatus::Connecting | BluerDeviceStatus::Disconnecting => {
row = row.push(
icon::from_name("process-working-symbolic")
.size(24)
.symbolic(true),
);
}
BluerDeviceStatus::Disconnected | BluerDeviceStatus::Pairing => continue,
};
known_bluetooth = known_bluetooth.push(menu_button(row).on_press(match dev.status {
BluerDeviceStatus::Connected => {
Message::Request(BluerRequest::DisconnectDevice(dev.address))
}
BluerDeviceStatus::Disconnected => {
Message::Request(BluerRequest::PairDevice(dev.address))
}
BluerDeviceStatus::Paired => {
Message::Request(BluerRequest::ConnectDevice(dev.address))
}
BluerDeviceStatus::Connecting => {
Message::Request(BluerRequest::CancelConnect(dev.address))
}
BluerDeviceStatus::Disconnecting => Message::Ignore, // Start connecting?
BluerDeviceStatus::Pairing => Message::Ignore, // Cancel pairing?
}));
}
let mut content = column![
column![padded_control(
anim!(
//toggler
BLUETOOTH_ENABLED,
&self.timeline,
fl!("bluetooth"),
self.bluer_state.bluetooth_enabled,
Message::ToggleBluetooth,
)
.text_size(14)
.width(Length::Fill)
),],
padded_control(divider::horizontal::default()),
known_bluetooth,
]
.align_items(Alignment::Center)
.padding([8, 0]);
let dropdown_icon = if self.show_visible_devices {
"go-down-symbolic"
} else {
"go-next-symbolic"
};
let available_connections_btn = menu_button(row![
text(fl!("other-devices"))
.size(14)
.width(Length::Fill)
.height(Length::Fixed(24.0))
.vertical_alignment(Vertical::Center),
container(icon::from_name(dropdown_icon).size(14).symbolic(true))
.align_x(Horizontal::Center)
.align_y(Vertical::Center)
.width(Length::Fixed(24.0))
.height(Length::Fixed(24.0))
])
.on_press(Message::ToggleVisibleDevices(!self.show_visible_devices));
content = content.push(padded_control(divider::horizontal::default()));
content = content.push(available_connections_btn);
let mut list_column: Vec<Element<'_, Message>> =
Vec::with_capacity(self.bluer_state.devices.len());
if let Some((device, pin, _)) = self.request_confirmation.as_ref() {
let row = column![
padded_control(row![
icon::from_name(device.icon.as_str())
.size(16)
.symbolic(true),
text(&device.name)
.size(14)
.horizontal_alignment(Horizontal::Left)
.vertical_alignment(Vertical::Center)
.width(Length::Fill)
]),
padded_control(
text(fl!(
"confirm-pin",
HashMap::from_iter(vec![("deviceName", device.name.clone())])
))
.horizontal_alignment(Horizontal::Left)
.vertical_alignment(Vertical::Center)
.width(Length::Fill)
.size(14)
),
padded_control(
text(pin)
.horizontal_alignment(Horizontal::Center)
.vertical_alignment(Vertical::Center)
.width(Length::Fixed(280.0))
.size(22)
)
.align_x(Horizontal::Center),
padded_control(
row![
button(
text(fl!("cancel"))
.size(14)
.width(Length::Fill)
.height(Length::Fixed(24.0))
.vertical_alignment(Vertical::Center)
)
.padding([8, 24])
.on_press(Message::Cancel),
button(
text(fl!("confirm"))
.size(14)
.width(Length::Fill)
.height(Length::Fixed(24.0))
.vertical_alignment(Vertical::Center)
)
.padding([8, 24])
.on_press(Message::Confirm),
]
.align_items(Alignment::Center)
)
.align_x(Horizontal::Center)
];
list_column.push(row.into());
}
let mut visible_devices_count = 0;
if self.show_visible_devices && self.bluer_state.bluetooth_enabled {
let mut visible_devices = column![];
for dev in self.bluer_state.devices.iter().filter(|d| {
matches!(
d.status,
BluerDeviceStatus::Disconnected | BluerDeviceStatus::Pairing
) && !self
.request_confirmation
.as_ref()
.map_or(false, |(dev, _, _)| d.address == dev.address)
}) {
let row = row![
icon::from_name(dev.icon.as_str()).size(16).symbolic(true),
text(dev.name.clone())
.horizontal_alignment(Horizontal::Left)
.size(14),
]
.align_items(Alignment::Center)
.spacing(12);
visible_devices = visible_devices.push(
menu_button(row.width(Length::Fill))
.on_press(Message::Request(BluerRequest::PairDevice(dev.address))),
);
visible_devices_count += 1;
}
list_column.push(visible_devices.into());
}
let item_counter = visible_devices_count
// request confirmation is pretty big
+ if self.request_confirmation.is_some() {
5
} else {
0
};
if item_counter > 10 {
content = content
.push(scrollable(Column::with_children(list_column)).height(Length::Fixed(300.0)));
} else {
content = content.push(Column::with_children(list_column));
}
content = content.push(padded_control(divider::horizontal::default()));
content = content.push(
menu_button(text(fl!("settings")).size(14).width(Length::Fill))
.on_press(Message::OpenSettings),
);
self.core.applet.popup_container(content).into()
}
fn subscription(&self) -> Subscription<Message> {
Subscription::batch(vec![
activation_token_subscription(0).map(Message::Token),
bluetooth_subscription(0).map(Message::BluetoothEvent),
self.timeline
.as_subscription()
.map(|(_, now)| Message::Frame(now)),
])
}
fn style(&self) -> Option<<Theme as application::StyleSheet>::Style> {
Some(cosmic::applet::style())
}
fn on_close_requested(&self, id: window::Id) -> Option<Message> {
Some(Message::CloseRequested(id))
}
}