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

511 lines
18 KiB
Rust

mod localize;
use cosmic::iced::widget;
use cosmic::iced::Limits;
use cosmic::iced_runtime::core::alignment::Horizontal;
use cosmic::theme::Svg;
use cosmic::widget::{button, divider, icon};
use cosmic::Renderer;
use cosmic_applet::{applet_button_theme, CosmicAppletHelper};
use cosmic::iced::{
self,
widget::{column, row, slider, text},
window, Alignment, Application, Command, Length, Subscription,
};
use cosmic::iced_style::application::{self, Appearance};
use cosmic::{Element, Theme};
use cosmic_time::{anim, chain, id, once_cell::sync::Lazy, Instant, Timeline};
use iced::wayland::popup::{destroy_popup, get_popup};
use iced::widget::container;
use iced::Color;
mod pulse;
use crate::localize::localize;
use crate::pulse::DeviceInfo;
use libpulse_binding::volume::VolumeLinear;
pub fn main() -> cosmic::iced::Result {
pretty_env_logger::init();
// Prepare i18n
localize();
let helper = CosmicAppletHelper::default();
Audio::run(helper.window_settings())
}
static SHOW_MEDIA_CONTROLS: Lazy<id::Toggler> = Lazy::new(id::Toggler::unique);
#[derive(Default)]
struct Audio {
is_open: IsOpen,
current_output: Option<DeviceInfo>,
current_input: Option<DeviceInfo>,
outputs: Vec<DeviceInfo>,
inputs: Vec<DeviceInfo>,
pulse_state: PulseState,
applet_helper: CosmicAppletHelper,
icon_name: String,
theme: Theme,
popup: Option<window::Id>,
show_media_controls_in_top_panel: bool,
id_ctr: u128,
timeline: Timeline,
}
#[derive(Debug, PartialEq, Eq)]
enum IsOpen {
None,
Output,
Input,
}
#[derive(Debug, Clone)]
enum Message {
SetOutputVolume(f64),
SetInputVolume(f64),
OutputToggle,
InputToggle,
OutputChanged(String),
InputChanged(String),
Pulse(pulse::Event),
Ignore,
TogglePopup,
ToggleMediaControlsInTopPanel(chain::Toggler, bool),
Frame(Instant),
Theme(Theme),
}
impl Application for Audio {
type Message = Message;
type Theme = Theme;
type Executor = cosmic::SingleThreadExecutor;
type Flags = ();
fn new(_flags: ()) -> (Audio, Command<Message>) {
let applet_helper = CosmicAppletHelper::default();
let theme = applet_helper.theme();
(
Audio {
is_open: IsOpen::None,
current_output: None,
current_input: None,
outputs: vec![],
inputs: vec![],
icon_name: "audio-volume-high-symbolic".to_string(),
applet_helper,
theme,
..Default::default()
},
Command::none(),
)
}
fn title(&self) -> String {
String::from("Audio")
}
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| Appearance {
background_color: Color::from_rgba(0.0, 0.0, 0.0, 0.0),
text_color: theme.cosmic().on_bg_color().into(),
}))
}
fn update(&mut self, message: Message) -> Command<Message> {
match message {
Message::Frame(now) => self.timeline.now(now),
Message::TogglePopup => {
if let Some(p) = self.popup.take() {
return destroy_popup(p);
} else {
if let Some(conn) = self.pulse_state.connection() {
conn.send(pulse::Message::UpdateConnection);
}
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_width(400.0)
.max_height(1080.0);
if let Some(conn) = self.pulse_state.connection() {
conn.send(pulse::Message::GetDefaultSink);
conn.send(pulse::Message::GetDefaultSource);
conn.send(pulse::Message::GetSinks);
conn.send(pulse::Message::GetSources);
}
return get_popup(popup_settings);
}
}
Message::SetOutputVolume(vol) => {
self.current_output.as_mut().map(|o| {
o.volume
.set(o.volume.len(), VolumeLinear(vol / 100.0).into())
});
if let PulseState::Connected(connection) = &mut self.pulse_state {
if let Some(device) = &self.current_output {
if let Some(name) = &device.name {
connection.send(pulse::Message::SetSinkVolumeByName(
name.clone(),
device.volume,
))
}
}
}
}
Message::SetInputVolume(vol) => {
self.current_input.as_mut().map(|i| {
i.volume
.set(i.volume.len(), VolumeLinear(vol / 100.0).into())
});
if let PulseState::Connected(connection) = &mut self.pulse_state {
if let Some(device) = &self.current_input {
if let Some(name) = &device.name {
log::info!("increasing volume of {}", name);
connection.send(pulse::Message::SetSourceVolumeByName(
name.clone(),
device.volume,
))
}
}
}
}
Message::OutputChanged(val) => {
if let Some(conn) = self.pulse_state.connection() {
if let Some(val) = self.outputs.iter().find(|o| o.name.as_ref() == Some(&val)) {
conn.send(pulse::Message::SetDefaultSink(val.clone()));
}
}
}
Message::InputChanged(val) => {
if let Some(conn) = self.pulse_state.connection() {
if let Some(val) = self.inputs.iter().find(|i| i.name.as_ref() == Some(&val)) {
conn.send(pulse::Message::SetDefaultSource(val.clone()));
}
}
}
Message::OutputToggle => {
self.is_open = if self.is_open == IsOpen::Output {
IsOpen::None
} else {
if let Some(conn) = self.pulse_state.connection() {
conn.send(pulse::Message::GetSinks);
}
IsOpen::Output
}
}
Message::InputToggle => {
self.is_open = if self.is_open == IsOpen::Input {
IsOpen::None
} else {
if let Some(conn) = self.pulse_state.connection() {
conn.send(pulse::Message::GetSources);
}
IsOpen::Input
}
}
Message::Pulse(event) => match event {
pulse::Event::Init(conn) => self.pulse_state = PulseState::Disconnected(conn),
pulse::Event::Connected => {
self.pulse_state.connected();
if let Some(conn) = self.pulse_state.connection() {
conn.send(pulse::Message::GetSinks);
conn.send(pulse::Message::GetSources);
conn.send(pulse::Message::GetDefaultSink);
conn.send(pulse::Message::GetDefaultSource);
}
}
pulse::Event::MessageReceived(msg) => {
match msg {
// This is where we match messages from the subscription to app state
pulse::Message::SetSinks(sinks) => self.outputs = sinks,
pulse::Message::SetSources(sources) => {
self.inputs = sources
.into_iter()
.filter(|source| {
!source
.name
.as_ref()
.unwrap_or(&String::from("Generic"))
.contains("monitor")
})
.collect()
}
pulse::Message::SetDefaultSink(sink) => {
self.current_output = Some(sink);
}
pulse::Message::SetDefaultSource(source) => {
self.current_input = Some(source)
}
pulse::Message::Disconnected => {
panic!("Subscriton error handling is bad. This should never happen.")
}
_ => {
log::trace!("Received misc message")
}
}
}
pulse::Event::Disconnected => self.pulse_state.disconnected(),
},
Message::Ignore => {}
Message::ToggleMediaControlsInTopPanel(chain, enabled) => {
self.timeline.set_chain(chain).start();
self.show_media_controls_in_top_panel = enabled;
}
Message::Theme(t) => {
self.theme = t;
}
};
Command::none()
}
fn subscription(&self) -> Subscription<Message> {
Subscription::batch(vec![
self.applet_helper.theme_subscription(0).map(Message::Theme),
pulse::connect().map(Message::Pulse),
self.timeline
.as_subscription()
.map(|(_, now)| Message::Frame(now)),
])
}
fn view(&self, id: window::Id) -> Element<Message> {
if id == window::Id(0) {
self.applet_helper
.icon_button(&self.icon_name)
.on_press(Message::TogglePopup)
.into()
} else {
let audio_disabled = matches!(self.pulse_state, PulseState::Disconnected(_));
let out_f64 = VolumeLinear::from(
self.current_output
.as_ref()
.map(|o| o.volume.avg())
.unwrap_or_default(),
)
.0 * 100.0;
let in_f64 = VolumeLinear::from(
self.current_input
.as_ref()
.map(|o| o.volume.avg())
.unwrap_or_default(),
)
.0 * 100.0;
let audio_content = if audio_disabled {
column![text(fl!("disconnected"))
.width(Length::Fill)
.horizontal_alignment(Horizontal::Center)
.size(24),]
} else {
column![
row![
icon("audio-volume-high-symbolic", 24).style(Svg::Symbolic),
slider(0.0..=100.0, out_f64, Message::SetOutputVolume)
.width(Length::FillPortion(5)),
text(format!("{}%", out_f64.round()))
.size(16)
.width(Length::FillPortion(1))
.horizontal_alignment(Horizontal::Right)
]
.spacing(12)
.align_items(Alignment::Center)
.padding([8, 24]),
row![
icon("audio-input-microphone-symbolic", 24).style(Svg::Symbolic),
slider(0.0..=100.0, in_f64, Message::SetInputVolume)
.width(Length::FillPortion(5)),
text(format!("{}%", in_f64.round()))
.size(16)
.width(Length::FillPortion(1))
.horizontal_alignment(Horizontal::Right)
]
.spacing(12)
.align_items(Alignment::Center)
.padding([8, 24]),
container(divider::horizontal::light())
.padding([12, 24])
.width(Length::Fill),
revealer(
self.is_open == IsOpen::Output,
fl!("output"),
match &self.current_output {
Some(output) => pretty_name(output.description.clone()),
None => String::from("No device selected"),
},
self.outputs
.clone()
.into_iter()
.map(|output| (
output.name.clone().unwrap_or_default(),
pretty_name(output.description)
))
.collect(),
Message::OutputToggle,
Message::OutputChanged,
),
revealer(
self.is_open == IsOpen::Input,
fl!("input"),
match &self.current_input {
Some(input) => pretty_name(input.description.clone()),
None => fl!("no-device"),
},
self.inputs
.clone()
.into_iter()
.map(|input| (
input.name.clone().unwrap_or_default(),
pretty_name(input.description)
))
.collect(),
Message::InputToggle,
Message::InputChanged,
)
]
.align_items(Alignment::Start)
};
let content = column![
audio_content,
container(divider::horizontal::light())
.padding([12, 24])
.width(Length::Fill),
container(
anim!(
// toggler
SHOW_MEDIA_CONTROLS,
&self.timeline,
Some(fl!("show-media-controls")),
self.show_media_controls_in_top_panel,
Message::ToggleMediaControlsInTopPanel,
)
.text_size(14)
)
.padding([0, 24]),
container(divider::horizontal::light())
.padding([12, 24])
.width(Length::Fill),
button(applet_button_theme())
.custom(vec![text(fl!("sound-settings")).size(14).into()])
.padding([8, 24])
.width(Length::Fill)
]
.align_items(Alignment::Start)
.padding([8, 0]);
self.applet_helper
.popup_container(container(content))
.into()
}
}
}
fn revealer(
open: bool,
title: String,
selected: String,
options: Vec<(String, String)>,
toggle: Message,
mut change: impl FnMut(String) -> Message + 'static,
) -> widget::Column<'static, Message, Renderer> {
if open {
options.iter().fold(
column![revealer_head(open, title, selected, toggle)].width(Length::Fill),
|col, (id, name)| {
col.push(
button(applet_button_theme())
.custom(vec![text(name).size(14).into()])
.on_press(change(id.clone()))
.width(Length::Fill)
.padding([8, 48]),
)
},
)
} else {
column![revealer_head(open, title, selected, toggle)]
}
}
fn revealer_head(
_open: bool,
title: String,
selected: String,
toggle: Message,
) -> widget::Button<'static, Message, Renderer> {
button(applet_button_theme())
.custom(vec![
text(title).width(Length::Fill).size(14).into(),
text(selected).size(10).into(),
])
.padding([8, 24])
.width(Length::Fill)
.on_press(toggle)
}
fn pretty_name(name: Option<String>) -> String {
match name {
Some(n) => n,
None => String::from("Generic"),
}
}
#[derive(Default)]
enum PulseState {
#[default]
Init,
Disconnected(pulse::Connection),
Connected(pulse::Connection),
}
impl PulseState {
fn connection(&mut self) -> Option<&mut pulse::Connection> {
match self {
PulseState::Disconnected(c) => Some(c),
PulseState::Connected(c) => Some(c),
PulseState::Init => None,
}
}
fn connected(&mut self) {
if let PulseState::Disconnected(c) = self {
*self = PulseState::Connected(c.clone());
}
}
fn disconnected(&mut self) {
if let PulseState::Connected(c) = self {
*self = PulseState::Disconnected(c.clone());
}
}
}
impl Default for IsOpen {
fn default() -> Self {
IsOpen::None
}
}