wip: bluetooth applet

This commit is contained in:
Ashley Wulber 2023-02-08 18:38:09 -05:00 committed by Ashley Wulber
parent d621fb8936
commit 000ac7b8b4
13 changed files with 1238 additions and 2 deletions

201
Cargo.lock generated
View file

@ -282,6 +282,35 @@ dependencies = [
"generic-array",
]
[[package]]
name = "bluer"
version = "0.15.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3d76ba39a871348200bbbf7dbff9fbaec30f0b988420f7391bfd9fdc5f8b5144"
dependencies = [
"custom_debug",
"dbus",
"dbus-crossroads",
"dbus-tokio",
"displaydoc",
"futures",
"hex",
"lazy_static",
"libc",
"log",
"macaddr",
"nix 0.26.1",
"num-derive",
"num-traits",
"pin-project",
"serde",
"serde_json",
"strum",
"tokio",
"tokio-stream",
"uuid",
]
[[package]]
name = "bumpalo"
version = "3.11.1"
@ -547,6 +576,27 @@ dependencies = [
"zbus",
]
[[package]]
name = "cosmic-applet-bluetooth"
version = "0.1.0"
dependencies = [
"anyhow",
"bluer",
"futures",
"futures-util",
"i18n-embed",
"i18n-embed-fl",
"itertools",
"libcosmic",
"log",
"once_cell",
"pretty_env_logger",
"rust-embed",
"slotmap",
"smithay-client-toolkit",
"tokio",
]
[[package]]
name = "cosmic-applet-graphics"
version = "0.1.0"
@ -817,6 +867,26 @@ version = "0.2.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b365fabc795046672053e29c954733ec3b05e4be654ab130fe8f1f94d7051f35"
[[package]]
name = "custom_debug"
version = "0.5.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e8225047674d65dcf4321e6bd3e060bdbbe940604a99b1559827f3e61c498d1e"
dependencies = [
"custom_debug_derive",
]
[[package]]
name = "custom_debug_derive"
version = "0.5.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9b35d34eb004bf2d33c093f1c55ee77829e8654644288d3b6afd8c2d99d23729"
dependencies = [
"proc-macro2",
"syn",
"synstructure",
]
[[package]]
name = "cxx"
version = "1.0.86"
@ -964,6 +1034,39 @@ dependencies = [
"matches",
]
[[package]]
name = "dbus"
version = "0.9.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1bb21987b9fb1613058ba3843121dd18b163b254d8a6e797e144cbac14d96d1b"
dependencies = [
"futures-channel",
"futures-util",
"libc",
"libdbus-sys",
"winapi",
]
[[package]]
name = "dbus-crossroads"
version = "0.5.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3a4c83437187544ba5142427746835061b330446ca8902eabd70e4afb8f76de0"
dependencies = [
"dbus",
]
[[package]]
name = "dbus-tokio"
version = "0.7.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "12a1a74a0c53b22d7d994256cf3ecbeefa5eedce3cf9d362945ac523c4132180"
dependencies = [
"dbus",
"libc",
"tokio",
]
[[package]]
name = "derivative"
version = "2.2.0"
@ -2230,6 +2333,12 @@ dependencies = [
"either",
]
[[package]]
name = "itoa"
version = "1.0.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "fad582f4b9e86b6caa621cabeb0963332d92eea04729ab12892c2533951e6440"
[[package]]
name = "jpeg-decoder"
version = "0.1.22"
@ -2331,6 +2440,15 @@ dependencies = [
"tokio",
]
[[package]]
name = "libdbus-sys"
version = "0.2.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9f8d7ae751e1cb825c840ae5e682f59b098cdfd213c350ac268b61449a5f58a0"
dependencies = [
"pkg-config",
]
[[package]]
name = "libloading"
version = "0.7.4"
@ -2471,6 +2589,12 @@ dependencies = [
"num-traits",
]
[[package]]
name = "macaddr"
version = "1.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "baee0bbc17ce759db233beb01648088061bf678383130602a298e6998eedb2d8"
[[package]]
name = "malloc_buf"
version = "0.0.6"
@ -3436,6 +3560,12 @@ dependencies = [
"windows-sys",
]
[[package]]
name = "rustversion"
version = "1.0.11"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5583e89e108996506031660fe09baa5011b9dd0341b89029313006d1fb508d70"
[[package]]
name = "rustybuzz"
version = "0.4.0"
@ -3469,6 +3599,12 @@ dependencies = [
"unicode-script",
]
[[package]]
name = "ryu"
version = "1.0.12"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7b4b9743ed687d4b4bcedf9ff5eaa7398495ae14e61cba0a295704edbc7decde"
[[package]]
name = "safe_arch"
version = "0.5.2"
@ -3543,6 +3679,17 @@ dependencies = [
"syn",
]
[[package]]
name = "serde_json"
version = "1.0.92"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7434af0dc1cbd59268aa98b4c22c131c0584d2232f6fb166efb993e2832e896a"
dependencies = [
"itoa",
"ryu",
"serde",
]
[[package]]
name = "serde_repr"
version = "0.1.10"
@ -3791,6 +3938,28 @@ version = "0.10.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
[[package]]
name = "strum"
version = "0.24.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "063e6045c0e62079840579a7e47a355ae92f60eb74daaf156fb1e84ba164e63f"
dependencies = [
"strum_macros",
]
[[package]]
name = "strum_macros"
version = "0.24.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1e385be0d24f186b4ce2f9982191e7101bb737312ad61c1f2f984f34bcf85d59"
dependencies = [
"heck",
"proc-macro2",
"quote",
"rustversion",
"syn",
]
[[package]]
name = "svg_fmt"
version = "0.4.1"
@ -3843,6 +4012,18 @@ dependencies = [
"unicode-ident",
]
[[package]]
name = "synstructure"
version = "0.12.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f36bdaa60a83aca3921b5259d5400cbf5e90fc51931376a9bd4a0eb79aa7210f"
dependencies = [
"proc-macro2",
"quote",
"syn",
"unicode-xid",
]
[[package]]
name = "sys-locale"
version = "0.2.3"
@ -4020,6 +4201,17 @@ dependencies = [
"syn",
]
[[package]]
name = "tokio-stream"
version = "0.1.11"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d660770404473ccd7bc9f8b28494a811bc18542b915c0855c51e8f419d5223ce"
dependencies = [
"futures-core",
"pin-project-lite",
"tokio",
]
[[package]]
name = "toml"
version = "0.5.10"
@ -4243,6 +4435,15 @@ dependencies = [
"xmlwriter",
]
[[package]]
name = "uuid"
version = "1.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1674845326ee10d37ca60470760d4288a6f80f304007d92e5c53bab78c9cfd79"
dependencies = [
"getrandom",
]
[[package]]
name = "vec_map"
version = "0.8.2"

View file

@ -4,6 +4,7 @@ members = [
"cosmic-app-list",
"cosmic-applet-audio",
"cosmic-applet-battery",
"cosmic-applet-bluetooth",
"cosmic-applet-graphics",
"cosmic-applet-network",
"cosmic-applet-notifications",
@ -12,5 +13,5 @@ members = [
"cosmic-applet-workspaces",
]
[profile.release]
lto = "fat"
#[profile.release]
#lto = "fat"

View file

@ -0,0 +1,23 @@
[package]
name = "cosmic-applet-bluetooth"
version = "0.1.0"
edition = "2021"
license = "GPL-3.0-or-later"
[dependencies]
once_cell = "1.16.0"
bluer = { version = "0.15", features = ["bluetoothd"] }
futures-util = "0.3.21"
libcosmic = { git = "https://github.com/pop-os/libcosmic/", branch = "master", default-features = false, features = ["wayland", "applet", "tokio"] }
sctk = { package = "smithay-client-toolkit", git = "https://github.com/Smithay/client-toolkit", rev = "3776d4a" }
futures = "0.3"
log = "0.4"
pretty_env_logger = "0.4"
itertools = "0.10.3"
slotmap = "1.0.6"
tokio = { version = "1.15.0", features = ["full"] }
anyhow = "1.0"
# Application i18n
i18n-embed = { version = "0.13.4", features = ["fluent-system", "desktop-requester"] }
i18n-embed-fl = "0.6.4"
rust-embed = "6.3.0"

View file

@ -0,0 +1,12 @@
[Desktop Entry]
Name=Cosmic Applet Network
Comment=Write a GTK + Rust application
Type=Application
Exec=cosmic-applet-network
Terminal=false
Categories=GNOME;GTK;
Keywords=Gnome;GTK;
# Translators: Do NOT translate or transliterate this text (this is an icon file name)!
Icon=com.system76.CosmicAppletNetwork.svg
StartupNotify=true
NoDisplay=true

View file

@ -0,0 +1,60 @@
<?xml version="1.0" encoding="UTF-8"?>
<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="128px" height="128px" viewBox="0 0 128 128" version="1.1">
<defs>
<filter id="alpha" filterUnits="objectBoundingBox" x="0%" y="0%" width="100%" height="100%">
<feColorMatrix type="matrix" in="SourceGraphic" values="0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 1 0"/>
</filter>
<mask id="mask0">
<g filter="url(#alpha)">
<rect x="0" y="0" width="128" height="128" style="fill:rgb(0%,0%,0%);fill-opacity:0.1;stroke:none;"/>
</g>
</mask>
<clipPath id="clip1">
<rect x="0" y="0" width="192" height="152"/>
</clipPath>
<g id="surface10632" clip-path="url(#clip1)">
<path style="fill:none;stroke-width:0.99;stroke-linecap:butt;stroke-linejoin:miter;stroke:rgb(0%,0%,0%);stroke-opacity:1;stroke-dasharray:0.99,0.99;stroke-miterlimit:4;" d="M 123.503906 236 C 123.503906 268.863281 96.863281 295.503906 64 295.503906 C 31.136719 295.503906 4.496094 268.863281 4.496094 236 C 4.496094 203.136719 31.136719 176.496094 64 176.496094 C 96.863281 176.496094 123.503906 203.136719 123.503906 236 Z M 123.503906 236 " transform="matrix(1,0,0,1,8,-156)"/>
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</mask>
<clipPath id="clip2">
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<g id="surface10578">
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After

Width:  |  Height:  |  Size: 4.5 KiB

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@ -0,0 +1,6 @@
<?xml version="1.0" encoding="UTF-8"?>
<gresources>
<gresource prefix="/com/System76/CosmicDockAppList/">
<!-- see https://gtk-rs.org/gtk4-rs/git/docs/gtk4/struct.Application.html#automatic-resources -->
</gresource>
</gresources>

View file

@ -0,0 +1,4 @@
fallback_language = "en"
[fluent]
assets_dir = "i18n"

View file

@ -0,0 +1,10 @@
bluetooth = Bluetooth
other-devices = Other Bluetooth Devices
settings = Bluetooth Settings...
connected = Connected
confirm-pin = Please confirm that the following PIN matches the one displayed on {$deviceName}
confirm = Confirm
cancel = Cancel
unsuccessful = Pairing Unsuccessful
check-device = Make sure {$deviceName} is turned on, in range, and is ready to pair.
try-again = Try Again

View file

@ -0,0 +1,406 @@
use std::f32::consts::E;
use crate::bluetooth::{BluerDeviceStatus, BluerRequest, BluerState};
use cosmic::applet::APPLET_BUTTON_THEME;
use cosmic::iced_style;
use cosmic::widget::ListColumn;
use cosmic::{
applet::CosmicAppletHelper,
iced::{
wayland::{
popup::{destroy_popup, get_popup},
SurfaceIdWrapper,
},
widget::{column, container, row, scrollable, text, text_input, Column},
Alignment, Application, Color, Command, Length, Subscription,
},
iced_native::{
alignment::{Horizontal, Vertical},
layout::Limits,
renderer::BorderRadius,
window,
},
iced_style::{application, button::StyleSheet, svg},
theme::{Button, Svg},
widget::{button, divider, icon, toggler},
Element, Theme,
};
use tokio::sync::mpsc::Sender;
use crate::bluetooth::{bluetooth_subscription, BluerEvent};
use crate::{config, fl};
pub fn run() -> cosmic::iced::Result {
let helper = CosmicAppletHelper::default();
CosmicBluetoothApplet::run(helper.window_settings())
}
#[derive(Debug)]
enum NewConnectionState {
EnterPassword { device: (), password: String },
Waiting(()),
Failure(()),
}
// impl Into<()> for NewConnectionState {
// fn into(self) -> AccessPoint {
// match self {
// NewConnectionState::EnterPassword {
// access_point,
// password,
// } => access_point,
// NewConnectionState::Waiting(access_point) => access_point,
// NewConnectionState::Failure(access_point) => access_point,
// }
// }
// }
#[derive(Default)]
struct CosmicBluetoothApplet {
icon_name: String,
theme: Theme,
popup: Option<window::Id>,
id_ctr: u32,
applet_helper: CosmicAppletHelper,
bluer_state: BluerState,
bluer_sender: Option<Sender<BluerRequest>>,
// UI state
show_visible_devices: bool,
new_connection: Option<NewConnectionState>,
}
#[derive(Debug, Clone)]
enum Message {
TogglePopup,
ToggleVisibleDevices(bool),
Errored(String),
Ignore,
BluetoothEvent(BluerEvent),
Request(BluerRequest),
}
impl Application for CosmicBluetoothApplet {
type Message = Message;
type Theme = Theme;
type Executor = cosmic::SingleThreadExecutor;
type Flags = ();
fn new(_flags: ()) -> (Self, Command<Message>) {
(
CosmicBluetoothApplet {
icon_name: "bluetooth-symbolic".to_string(),
..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::new(self.id_ctr);
self.popup.replace(new_id);
let mut popup_settings = self.applet_helper.get_popup_settings(
window::Id::new(0),
new_id,
None,
None,
None,
);
popup_settings.positioner.size_limits = Limits::NONE
.min_height(1)
.min_width(1)
.max_height(800)
.max_width(400);
return get_popup(popup_settings);
}
}
Message::Errored(_) => todo!(),
Message::Ignore => {}
// Message::SelectDevice(device) => {
// let tx = if let Some(tx) = self.nm_sender.as_ref() {
// tx
// } else {
// return Command::none();
// };
// let _ = tx.unbounded_send(NetworkManagerRequest::SelectAccessPoint(
// access_point.ssid.clone(),
// ));
// self.new_connection
// .replace(NewConnectionState::EnterPassword {
// access_point,
// password: String::new(),
// });
// }
Message::ToggleVisibleDevices(enabled) => {
self.new_connection.take();
self.show_visible_devices = enabled;
}
Message::BluetoothEvent(e) => match e {
BluerEvent::RequestResponse {
req: _req,
state,
err_msg,
} => {
if let Some(err_msg) = err_msg {
eprintln!("bluetooth request error: {}", err_msg);
}
dbg!(&state);
self.bluer_state = state;
// TODO special handling for some requests
}
BluerEvent::Init { sender, state } => {
self.bluer_sender.replace(sender);
self.bluer_state = state;
}
BluerEvent::DevicesChanged { state } => {
self.bluer_state = state;
}
BluerEvent::Finished => {
// TODO exit?
todo!()
}
},
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
);
}
}
}
Command::none()
}
fn view(&self, id: SurfaceIdWrapper) -> Element<Message> {
let button_style = Button::Custom {
active: |t| iced_style::button::Appearance {
border_radius: BorderRadius::from(0.0),
..t.active(&Button::Text)
},
hover: |t| iced_style::button::Appearance {
border_radius: BorderRadius::from(0.0),
..t.hovered(&Button::Text)
},
};
match id {
SurfaceIdWrapper::LayerSurface(_) => unimplemented!(),
SurfaceIdWrapper::Window(_) => self
.applet_helper
.icon_button(&self.icon_name)
.on_press(Message::TogglePopup)
.into(),
SurfaceIdWrapper::Popup(_) => {
let mut known_bluetooth = column![];
for dev in &self.bluer_state.devices {
let mut row = row![].align_items(Alignment::Center);
row = row.push(
text(dev.name.clone())
.horizontal_alignment(Horizontal::Left)
.vertical_alignment(Vertical::Center)
.width(Length::Fill),
);
match &dev.status {
BluerDeviceStatus::Connected => {
row = row.push(
text(fl!("connected"))
.horizontal_alignment(Horizontal::Right)
.vertical_alignment(Vertical::Center),
);
}
BluerDeviceStatus::Paired => {}
BluerDeviceStatus::Connecting | BluerDeviceStatus::Disconnecting => {
row = row.push(
icon("process-working-symbolic", 24)
.style(Svg::Custom(|theme| svg::Appearance {
color: Some(theme.palette().text),
}))
.width(Length::Units(24))
.height(Length::Units(24)),
);
}
BluerDeviceStatus::Disconnected | BluerDeviceStatus::Pairing => continue,
};
known_bluetooth = known_bluetooth.push(
button(APPLET_BUTTON_THEME)
.custom(vec![row.into()])
.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![
container(
toggler(fl!("bluetooth"), self.bluer_state.bluetooth_enabled, |m| {
Message::Request(BluerRequest::SetBluetoothEnabled(m))
},)
.width(Length::Fill)
)
.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::Units(24))
.vertical_alignment(Vertical::Center)
.into(),
container(
icon(dropdown_icon, 14)
.style(Svg::Custom(|theme| svg::Appearance {
color: Some(theme.palette().text),
}))
.width(Length::Units(14))
.height(Length::Units(14)),
)
.align_x(Horizontal::Center)
.align_y(Vertical::Center)
.width(Length::Units(24))
.height(Length::Units(24))
.into(),
]
.into(),
)
.padding([8, 24])
.style(button_style.clone())
.on_press(Message::ToggleVisibleDevices(!self.show_visible_devices));
content = content.push(available_connections_btn);
if self.show_visible_devices {
let mut list_column = Vec::with_capacity(self.bluer_state.devices.len());
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
)
}) {
let mut row = row![].width(Length::Fill).align_items(Alignment::Center);
row = row.push(
text(dev.name.clone()).horizontal_alignment(Horizontal::Left),
);
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),
);
}
list_column.push(visible_devices.into());
}
let num_dev = list_column.len();
if num_dev > 5 {
content = content.push(
scrollable(Column::with_children(list_column))
.height(Length::Units(300)),
);
} else {
content = content.push(Column::with_children(list_column));
}
}
self.applet_helper.popup_container(content).into()
}
}
}
fn subscription(&self) -> Subscription<Message> {
bluetooth_subscription(0).map(|e| Message::BluetoothEvent(e.1))
}
fn theme(&self) -> Theme {
self.theme
}
fn close_requested(&self, _id: SurfaceIdWrapper) -> Self::Message {
Message::Ignore
}
fn style(&self) -> <Self::Theme as application::StyleSheet>::Style {
<Self::Theme as application::StyleSheet>::Style::Custom(|theme| application::Appearance {
background_color: Color::from_rgba(0.0, 0.0, 0.0, 0.0),
text_color: theme.cosmic().on_bg_color().into(),
})
}
}

View file

@ -0,0 +1,440 @@
use std::{collections::HashMap, fmt::Debug, hash::Hash, sync::Arc, time::Duration};
use bluer::{Adapter, AdapterProperty, Address, DeviceProperty, Session};
use cosmic::iced::{self, subscription};
use futures::StreamExt;
use tokio::{
spawn,
sync::{
mpsc::{channel, Receiver, Sender},
Mutex,
},
task::JoinHandle,
time::timeout,
};
pub fn bluetooth_subscription<I: 'static + Hash + Copy + Send + Sync + Debug>(
id: I,
) -> iced::Subscription<(I, BluerEvent)> {
subscription::unfold(id, State::Ready, move |state| start_listening(id, state))
}
#[derive(Debug)]
pub enum State {
Ready,
Waiting { session_state: BluerSessionState },
Finished,
}
async fn start_listening<I: Copy + Debug>(id: I, state: State) -> (Option<(I, BluerEvent)>, State) {
match state {
State::Ready => {
let session = match Session::new().await {
Ok(s) => s,
Err(_) => return (None, State::Finished),
};
let (tx, rx) = channel(100);
let session_state = match BluerSessionState::new(session, rx).await {
Ok(s) => s,
Err(_) => return (None, State::Finished),
};
let state = session_state.bluer_state().await;
return (
Some((
id,
BluerEvent::Init {
sender: tx,
state: state.clone(),
},
)),
State::Waiting { session_state },
);
}
State::Waiting { mut session_state } => {
let mut session_rx = match session_state.rx.take() {
Some(rx) => rx,
None => {
// try restarting the stream
session_state.process_changes();
match session_state.rx.take() {
Some(rx) => rx,
None => {
return (None, State::Finished); // fail if we can't restart the stream
}
}
}
};
let event = if let Some(event) = session_rx.recv().await {
match event {
BluerSessionEvent::ChangesProcessed(state) => {
return (
Some((id, BluerEvent::DevicesChanged { state })),
State::Waiting { session_state },
);
}
BluerSessionEvent::RequestResponse {
req,
state,
err_msg,
} => Some((
id,
BluerEvent::RequestResponse {
req,
state,
err_msg,
},
)),
_ => None,
}
} else {
return (None, State::Finished);
};
session_state.rx = Some(session_rx);
(event, State::Waiting { session_state })
}
State::Finished => iced::futures::future::pending().await,
}
}
#[derive(Debug, Clone, Hash, Eq, PartialEq)]
pub enum BluerRequest {
SetBluetoothEnabled(bool),
PairDevice(Address),
ConnectDevice(Address),
DisconnectDevice(Address),
CancelConnect(Address),
}
#[derive(Debug, Clone)]
pub enum BluerEvent {
RequestResponse {
req: BluerRequest,
state: BluerState,
err_msg: Option<String>,
},
Init {
sender: Sender<BluerRequest>,
state: BluerState,
},
DevicesChanged {
state: BluerState,
},
Finished,
}
#[derive(Debug, Clone, Default)]
pub struct BluerState {
pub devices: Vec<BluerDevice>,
pub bluetooth_enabled: bool,
}
#[derive(Debug, Clone)]
pub enum BluerDeviceStatus {
Connected,
Disconnected,
Paired,
Connecting,
Disconnecting,
Pairing,
}
#[derive(Debug, Clone)]
pub struct BluerDevice {
pub name: String,
pub address: Address,
pub status: BluerDeviceStatus,
pub properties: Vec<DeviceProperty>,
}
pub enum BluerSessionEvent {
RequestResponse {
req: BluerRequest,
state: BluerState,
err_msg: Option<String>,
},
ChangesProcessed(BluerState),
ChangeStreamEnded, // TODO can we just restart the stream in a new task?
}
#[derive(Debug)]
pub struct BluerSessionState {
session: Session,
pub adapter: Adapter,
pub devices: Arc<Mutex<Vec<BluerDevice>>>,
pub rx: Option<Receiver<BluerSessionEvent>>,
tx: Option<Sender<BluerSessionEvent>>,
active_requests: Arc<Mutex<HashMap<BluerRequest, JoinHandle<anyhow::Result<()>>>>>,
}
impl BluerSessionState {
pub(crate) async fn new(
session: Session,
request_rx: Receiver<BluerRequest>,
) -> anyhow::Result<Self> {
let adapter = session.default_adapter().await?;
let devices = build_device_list(&adapter).await;
let mut self_ = Self {
session,
adapter: adapter,
devices: Arc::new(Mutex::new(devices)),
rx: None,
tx: None,
active_requests: Arc::new(Mutex::new(HashMap::new())),
};
self_.process_changes();
self_.process_requests(request_rx);
Ok(self_)
}
pub(crate) async fn devices(&self) -> Vec<BluerDevice> {
self.devices.lock().await.clone()
}
pub(crate) async fn clear(&mut self) {
self.devices.lock().await.clear();
}
pub(crate) fn start_monitoring(&mut self) {
self.process_changes();
}
pub(crate) fn process_changes(&mut self) {
let (tx, rx) = tokio::sync::mpsc::channel(100);
self.tx = Some(tx.clone());
let devices_clone = self.devices.clone();
let adapter_clone = self.adapter.clone();
let _monitor_devices: tokio::task::JoinHandle<Result<(), anyhow::Error>> =
spawn(async move {
let mut change_stream = adapter_clone.discover_devices_with_changes().await?;
let mut cur = None;
let mut devices_changed = false;
let mut milli_timeout = 10;
'outer: loop {
while let Ok(event) =
timeout(Duration::from_millis(milli_timeout), change_stream.next()).await
{
let event = match event {
Some(e) => e,
None => break 'outer, // No more events to receive...
};
let mut devices = devices_clone.lock().await;
match event {
bluer::AdapterEvent::DeviceAdded(address) => {
let device = match adapter_clone.device(address) {
Ok(d) => d,
Err(_) => continue,
};
let mut status = if device.is_connected().await? {
BluerDeviceStatus::Connected
} else if device.is_paired().await? {
BluerDeviceStatus::Paired
} else {
BluerDeviceStatus::Disconnected
};
if let Some(pos) =
devices.iter().position(|device| device.address == address)
{
cur = Some(pos);
continue;
};
// only send a DevicesChanged event if we have actually added a device
devices_changed = true;
devices.push(BluerDevice {
name: device
.name()
.await
.unwrap_or_default()
.unwrap_or_default(),
address: device.address(),
status,
properties: Vec::new(),
});
cur = Some(devices.len() - 1);
}
bluer::AdapterEvent::DeviceRemoved(address) => {
if let Some(pos) =
devices.iter().position(|device| device.address == address)
{
devices_changed = true;
cur = None;
devices.remove(pos);
};
}
bluer::AdapterEvent::PropertyChanged(prop) => {
let bluer_device = match cur.and_then(|i| devices.get_mut(i)) {
Some(d) => d,
None => continue,
};
devices_changed = true;
}
}
}
if devices_changed {
devices_changed = false;
dbg!(&devices_clone);
let _ = tx
.send(BluerSessionEvent::ChangesProcessed(BluerState {
devices: build_device_list(&adapter_clone).await,
bluetooth_enabled: true,
}))
.await;
// reset timeout
milli_timeout = 10;
} else {
// slow down if no changes occur
milli_timeout = (milli_timeout * 2).max(5120);
}
}
eprintln!("Change stream ended");
Ok(())
});
self.rx.replace(rx);
}
pub(crate) fn process_requests(&self, request_rx: Receiver<BluerRequest>) {
let active_requests = self.active_requests.clone();
let adapter = self.adapter.clone();
let devices = self.devices.clone();
let tx = self.tx.clone().unwrap(); // TODO error handling
let _handle: JoinHandle<anyhow::Result<()>> = spawn(async move {
let mut request_rx = request_rx;
while let Some(req) = request_rx.recv().await {
let req_clone = req.clone();
let req_clone_2 = req.clone();
let active_requests_clone = active_requests.clone();
let devices_clone = devices.clone();
let tx_clone = tx.clone();
let adapter_clone = adapter.clone();
let handle = spawn(async move {
let mut err_msg = None;
match &req_clone {
BluerRequest::SetBluetoothEnabled(enabled) => {
let res = adapter_clone.set_powered(*enabled).await;
if let Err(e) = res {
err_msg = Some(e.to_string());
}
if *enabled {
let res = adapter_clone.set_discoverable(*enabled).await;
if let Err(e) = res {
err_msg = Some(e.to_string());
}
}
}
BluerRequest::PairDevice(address) => {
let res = adapter_clone.device(address.clone());
if let Err(err) = res {
err_msg = Some(err.to_string());
} else if let Ok(device) = res {
let res = device.pair().await;
if let Err(err) = res {
err_msg = Some(err.to_string());
}
}
}
BluerRequest::ConnectDevice(address) => {
let res = adapter_clone.device(address.clone());
if let Err(err) = res {
err_msg = Some(err.to_string());
} else if let Ok(device) = res {
let res = device.connect().await;
if let Err(err) = res {
err_msg = Some(err.to_string());
}
}
}
BluerRequest::DisconnectDevice(address) => {
let res = adapter_clone.device(address.clone());
if let Err(err) = res {
err_msg = Some(err.to_string());
} else if let Ok(device) = res {
let res = device.disconnect().await;
if let Err(err) = res {
err_msg = Some(err.to_string());
}
}
}
BluerRequest::CancelConnect(_) => {
if let Some(handle) = active_requests_clone.lock().await.get(&req_clone)
{
handle.abort();
} else {
err_msg = Some("No active connection request found".to_string());
}
}
};
let state = BluerState {
devices: build_device_list(&adapter_clone).await,
bluetooth_enabled: adapter_clone.is_powered().await.unwrap_or_default(),
};
let _ = tx_clone
.send(BluerSessionEvent::RequestResponse {
req: req_clone,
state,
err_msg,
})
.await;
let mut active_requests_clone = active_requests_clone.lock().await;
let _ = active_requests_clone.remove(&req_clone_2);
Ok(())
});
active_requests.lock().await.insert(req, handle);
}
Ok(())
});
}
pub(crate) async fn bluer_state(&self) -> BluerState {
BluerState {
devices: build_device_list(&self.adapter).await,
// TODO is this a proper way of checking if bluetooth is enabled?
bluetooth_enabled: self.adapter.is_powered().await.unwrap_or_default(),
}
}
}
async fn build_device_list(adapter: &Adapter) -> Vec<BluerDevice> {
let addrs = adapter.device_addresses().await.unwrap_or_default();
let mut devices = Vec::with_capacity(addrs.len());
for address in addrs {
let device = match adapter.device(address) {
Ok(device) => device,
Err(_) => continue,
};
let name = device.name().await.unwrap_or_default().unwrap_or_default();
let is_paired = device.is_paired().await.unwrap_or_default();
let is_connected = device.is_connected().await.unwrap_or_default();
let properties = device.all_properties().await.unwrap_or_default();
let status = if is_connected {
BluerDeviceStatus::Connected
} else if is_paired {
BluerDeviceStatus::Paired
} else {
BluerDeviceStatus::Disconnected
};
devices.push(BluerDevice {
name,
address,
status,
properties,
});
}
devices
}

View file

@ -0,0 +1,3 @@
pub const APP_ID: &str = "com.system76.CosmicAppletNetwork";
pub const PROFILE: &str = "";
pub const VERSION: &str = "0.1.0";

View file

@ -0,0 +1,47 @@
// SPDX-License-Identifier: MPL-2.0-only
use i18n_embed::{
fluent::{fluent_language_loader, FluentLanguageLoader},
DefaultLocalizer, LanguageLoader, Localizer,
};
use once_cell::sync::Lazy;
use rust_embed::RustEmbed;
#[derive(RustEmbed)]
#[folder = "i18n/"]
struct Localizations;
pub static LANGUAGE_LOADER: Lazy<FluentLanguageLoader> = Lazy::new(|| {
let loader: FluentLanguageLoader = fluent_language_loader!();
loader
.load_fallback_language(&Localizations)
.expect("Error while loading fallback language");
loader
});
#[macro_export]
macro_rules! fl {
($message_id:literal) => {{
i18n_embed_fl::fl!($crate::localize::LANGUAGE_LOADER, $message_id)
}};
($message_id:literal, $($args:expr),*) => {{
i18n_embed_fl::fl!($crate::localize::LANGUAGE_LOADER, $message_id, $($args), *)
}};
}
// Get the `Localizer` to be used for localizing this library.
pub fn localizer() -> Box<dyn Localizer> {
Box::from(DefaultLocalizer::new(&*LANGUAGE_LOADER, &Localizations))
}
pub fn localize() {
let localizer = localizer();
let requested_languages = i18n_embed::DesktopLanguageRequester::requested_languages();
if let Err(error) = localizer.select(&requested_languages) {
eprintln!("Error while loading language for App List {}", error);
}
}

View file

@ -0,0 +1,23 @@
// SPDX-License-Identifier: GPL-3.0-or-later
mod app;
mod bluetooth;
mod config;
mod localize;
use log::info;
use crate::config::{APP_ID, PROFILE, VERSION};
use crate::localize::localize;
fn main() -> cosmic::iced::Result {
// Initialize logger
pretty_env_logger::init();
info!("Iced Workspaces Applet ({})", APP_ID);
info!("Version: {} ({})", VERSION, PROFILE);
// Prepare i18n
localize();
app::run()
}