cosmic-applets/cosmic-applet-bluetooth/src/app.rs
2023-06-21 20:49:35 -04:00

546 lines
22 KiB
Rust

use crate::bluetooth::{BluerDeviceStatus, BluerRequest, BluerState};
use cosmic::iced_style;
use cosmic::{
iced::{
wayland::popup::{destroy_popup, get_popup},
widget::{column, container, row, scrollable, text, Column},
Alignment, Application, Color, Command, Length, Subscription,
},
iced_runtime::core::{
alignment::{Horizontal, Vertical},
layout::Limits,
window,
},
iced_style::{application, button::StyleSheet},
theme::{Button, Svg},
widget::{button, divider, icon, toggler},
Element, Theme,
};
use cosmic_applet::{applet_button_theme, CosmicAppletHelper};
use std::collections::HashMap;
use std::time::Duration;
use tokio::sync::mpsc::Sender;
use crate::bluetooth::{bluetooth_subscription, BluerDevice, BluerEvent};
use crate::{config, fl};
pub fn run() -> cosmic::iced::Result {
let helper = CosmicAppletHelper::default();
CosmicBluetoothApplet::run(helper.window_settings())
}
#[derive(Default)]
struct CosmicBluetoothApplet {
icon_name: String,
theme: Theme,
popup: Option<window::Id>,
id_ctr: u128,
applet_helper: CosmicAppletHelper,
bluer_state: BluerState,
bluer_sender: Option<Sender<BluerRequest>>,
// UI state
show_visible_devices: bool,
request_confirmation: Option<(BluerDevice, String, Sender<bool>)>,
}
#[derive(Debug, Clone)]
enum Message {
TogglePopup,
ToggleVisibleDevices(bool),
Errored(String),
Ignore,
BluetoothEvent(BluerEvent),
Request(BluerRequest),
Cancel,
Confirm,
Theme(Theme),
}
impl Application for CosmicBluetoothApplet {
type Message = Message;
type Theme = Theme;
type Executor = cosmic::SingleThreadExecutor;
type Flags = ();
fn new(_flags: ()) -> (Self, Command<Message>) {
let applet_helper = CosmicAppletHelper::default();
let theme = applet_helper.theme();
(
CosmicBluetoothApplet {
icon_name: "bluetooth-symbolic".to_string(),
theme,
applet_helper,
..Default::default()
},
Command::none(),
)
}
fn title(&self) -> String {
config::APP_ID.to_string()
}
fn update(&mut self, message: Message) -> Command<Message> {
match message {
Message::TogglePopup => {
if let Some(p) = self.popup.take() {
return destroy_popup(p);
} else {
// TODO request update of state maybe
self.id_ctr += 1;
let new_id = window::Id(self.id_ctr);
self.popup.replace(new_id);
let mut popup_settings = self.applet_helper.get_popup_settings(
window::Id(0),
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![
Command::perform(
async {
if let Some(tx) = tx {
let _ = tx.send(BluerRequest::StateUpdate).await;
}
},
|_| Message::Ignore,
),
get_popup(popup_settings),
]);
}
}
Message::Errored(_) => todo!(),
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);
}
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();
return Command::perform(
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;
},
|_| Message::Ignore,
);
}
_ => {}
};
}
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) => {
// dbg!((d.name, code));
}
crate::bluetooth::BluerAgentEvent::DisplayPasskey(_d, _code) => {
// dbg!((d.name, code));
}
crate::bluetooth::BluerAgentEvent::RequestPinCode(_d) => {
// TODO anything to be done here?
// dbg!("request pin code", d.name);
}
crate::bluetooth::BluerAgentEvent::RequestPasskey(_d) => {
// TODO anything to be done here?
// dbg!("request passkey", d.name);
}
crate::bluetooth::BluerAgentEvent::RequestConfirmation(d, code, tx) => {
// dbg!("request confirmation", &d.name, &code);
self.request_confirmation.replace((d, code, tx));
// let _ = tx.send(false);
}
crate::bluetooth::BluerAgentEvent::RequestDeviceAuthorization(_d, _tx) => {
// TODO anything to be done here?
// dbg!("request device authorization", d.name);
// let_ = tx.send(false);
}
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;
if !*enabled {
self.bluer_state = BluerState::default();
}
}
BluerRequest::ConnectDevice(add) => {
self.bluer_state
.devices
.iter_mut()
.find(|d| d.address == *add)
.map(|d| {
d.status = BluerDeviceStatus::Connecting;
});
}
BluerRequest::DisconnectDevice(add) => {
self.bluer_state
.devices
.iter_mut()
.find(|d| d.address == *add)
.map(|d| {
d.status = BluerDeviceStatus::Disconnecting;
});
}
BluerRequest::PairDevice(add) => {
self.bluer_state
.devices
.iter_mut()
.find(|d| d.address == *add)
.map(|d| {
d.status = BluerDeviceStatus::Pairing;
});
}
_ => {} // TODO
}
if let Some(tx) = self.bluer_sender.as_mut().cloned() {
return Command::perform(
async move {
let _ = tx.send(r).await;
},
|_| Message::Ignore, // Error handling
);
}
}
Message::Cancel => {
if let Some((_, _, tx)) = self.request_confirmation.take() {
return Command::perform(
async move {
let _ = tx.send(false).await;
},
|_| Message::Ignore,
);
}
}
Message::Confirm => {
if let Some((_, _, tx)) = self.request_confirmation.take() {
return Command::perform(
async move {
let _ = tx.send(true).await;
},
|_| Message::Ignore,
);
}
}
Message::Theme(t) => {
self.theme = t;
}
}
Command::none()
}
fn view(&self, id: window::Id) -> Element<Message> {
let button_style = || Button::Custom {
active: Box::new(|t| iced_style::button::Appearance {
border_radius: 0.0.into(),
..t.active(&Button::Text)
}),
hover: Box::new(|t| iced_style::button::Appearance {
border_radius: 0.0.into(),
..t.hovered(&Button::Text)
}),
};
if id == window::Id(0) {
self.applet_helper
.icon_button(&self.icon_name)
.on_press(Message::TogglePopup)
.into()
} else {
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(dev.icon.as_str(), 16).style(Svg::Symbolic),
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("process-working-symbolic", 24).style(Svg::Symbolic));
}
BluerDeviceStatus::Disconnected | BluerDeviceStatus::Pairing => continue,
};
known_bluetooth = known_bluetooth.push(
button(applet_button_theme())
.custom(vec![row.into()])
.style(applet_button_theme())
.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?
})
.width(Length::Fill),
);
}
let mut content = column![
column![
toggler(fl!("bluetooth"), self.bluer_state.bluetooth_enabled, |m| {
Message::Request(BluerRequest::SetBluetoothEnabled(m))
},)
.text_size(14)
.width(Length::Fill),
// these are not in the UX mockup, but they are useful imo
toggler(fl!("discoverable"), self.bluer_state.discoverable, |m| {
Message::Request(BluerRequest::SetDiscoverable(m))
},)
.text_size(14)
.width(Length::Fill),
toggler(fl!("pairable"), self.bluer_state.pairable, |m| {
Message::Request(BluerRequest::SetPairable(m))
},)
.text_size(14)
.width(Length::Fill)
]
.spacing(8)
.padding([0, 12]),
divider::horizontal::light(),
known_bluetooth,
]
.align_items(Alignment::Center)
.spacing(8)
.padding([8, 0]);
let dropdown_icon = if self.show_visible_devices {
"go-down-symbolic"
} else {
"go-next-symbolic"
};
let available_connections_btn = button(Button::Secondary)
.custom(
vec![
text(fl!("other-devices"))
.size(14)
.width(Length::Fill)
.height(Length::Fixed(24.0))
.vertical_alignment(Vertical::Center)
.into(),
container(icon(dropdown_icon, 14).style(Svg::Symbolic))
.align_x(Horizontal::Center)
.align_y(Vertical::Center)
.width(Length::Fixed(24.0))
.height(Length::Fixed(24.0))
.into(),
]
.into(),
)
.padding([8, 24])
.style(button_style())
.on_press(Message::ToggleVisibleDevices(!self.show_visible_devices));
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![
icon(device.icon.as_str(), 16).style(Svg::Symbolic),
text(&device.name)
.size(14)
.horizontal_alignment(Horizontal::Left)
.vertical_alignment(Vertical::Center)
.width(Length::Fill),
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),
text(pin)
.horizontal_alignment(Horizontal::Center)
.vertical_alignment(Vertical::Center)
.width(Length::Fill)
.size(22),
row![
button(Button::Secondary)
.custom(
vec![text(fl!("cancel"))
.size(14)
.width(Length::Fill)
.height(Length::Fixed(24.0))
.vertical_alignment(Vertical::Center)
.into(),]
.into(),
)
.padding([8, 24])
.style(button_style())
.on_press(Message::Cancel)
.width(Length::Fill),
button(Button::Secondary)
.custom(
vec![text(fl!("confirm"))
.size(14)
.width(Length::Fill)
.height(Length::Fixed(24.0))
.vertical_alignment(Vertical::Center)
.into(),]
.into(),
)
.padding([8, 24])
.style(button_style())
.on_press(Message::Confirm)
.width(Length::Fill),
]
]
.padding([0, 24])
.spacing(12);
list_column.push(row.into());
}
let mut visible_devices_count = 0;
if self.show_visible_devices {
if 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(dev.icon.as_str(), 16).style(Svg::Symbolic),
text(dev.name.clone())
.horizontal_alignment(Horizontal::Left)
.size(14),
]
.width(Length::Fill)
.align_items(Alignment::Center)
.spacing(12);
visible_devices = visible_devices.push(
button(applet_button_theme())
.custom(vec![row.width(Length::Fill).into()])
.on_press(Message::Request(BluerRequest::PairDevice(
dev.address.clone(),
)))
.width(Length::Fill),
);
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));
}
self.applet_helper.popup_container(content).into()
}
}
fn subscription(&self) -> Subscription<Message> {
Subscription::batch(vec![
self.applet_helper.theme_subscription(0).map(Message::Theme),
bluetooth_subscription(0).map(|(_, e)| Message::BluetoothEvent(e)),
])
}
fn theme(&self) -> Theme {
self.theme.clone()
}
fn close_requested(&self, _id: window::Id) -> Self::Message {
Message::Ignore
}
fn style(&self) -> <Self::Theme as application::StyleSheet>::Style {
<Self::Theme as application::StyleSheet>::Style::Custom(Box::new(|theme| {
application::Appearance {
background_color: Color::from_rgba(0.0, 0.0, 0.0, 0.0),
text_color: theme.cosmic().on_bg_color().into(),
}
}))
}
}