From 6b0c9af07c6c8a08ac11522e2a8c7af60c210deb Mon Sep 17 00:00:00 2001
From: 2 * r + 2 * t <61896496+soramanew@users.noreply.github.com>
Date: Thu, 27 Mar 2025 16:45:25 +1100
Subject: sidebar: streams module

---
 scss/sidebar.scss                       |  66 +++++++++++++++++++
 src/modules/sidebar/audio.tsx           |   2 +
 src/modules/sidebar/modules/streams.tsx | 111 ++++++++++++++++++++++++++++++++
 3 files changed, 179 insertions(+)
 create mode 100644 src/modules/sidebar/modules/streams.tsx

diff --git a/scss/sidebar.scss b/scss/sidebar.scss
index 9f72ca8..369ad25 100644
--- a/scss/sidebar.scss
+++ b/scss/sidebar.scss
@@ -443,6 +443,70 @@
         }
     }
 
+    .no-wp-prompt {
+        font-size: lib.s(16);
+        color: scheme.$error;
+        margin-top: lib.s(8);
+    }
+
+    .streams {
+        .list {
+            @include lib.spacing(10, true);
+        }
+
+        .stream {
+            @include lib.rounded(20);
+            @include lib.element-decel;
+
+            background-color: color.change(scheme.$surface1, $alpha: 0.4);
+            padding: lib.s(10) lib.s(15);
+
+            @include lib.spacing(5);
+
+            &.playing {
+                background-color: color.change(color.mix(scheme.$surface1, scheme.$primary, 50%), $alpha: 0.4);
+            }
+
+            .icon {
+                font-size: lib.s(28);
+                margin-right: lib.s(12);
+            }
+
+            .sublabel {
+                font-size: lib.s(14);
+                color: scheme.$subtext0;
+            }
+
+            trough {
+                @include lib.rounded(10);
+
+                min-width: lib.s(100);
+                min-height: lib.s(10);
+                background-color: color.change(scheme.$error, $alpha: 0.3);
+
+                fill {
+                    @include lib.rounded(10);
+
+                    background-color: color.change(scheme.$overlay0, $alpha: 1);
+                }
+
+                highlight {
+                    @include lib.rounded(10);
+
+                    background-color: scheme.$subtext1;
+                }
+            }
+
+            & > button {
+                @include media-button;
+
+                font-size: lib.s(18);
+                min-width: lib.s(20);
+                min-height: lib.s(20);
+            }
+        }
+    }
+
     .networks {
         .list {
             @include lib.spacing(10, true);
@@ -450,6 +514,7 @@
 
         .network {
             @include lib.rounded(20);
+            @include lib.element-decel;
 
             background-color: color.change(scheme.$surface1, $alpha: 0.4);
             padding: lib.s(10) lib.s(15);
@@ -493,6 +558,7 @@
 
         .device {
             @include lib.rounded(20);
+            @include lib.element-decel;
 
             background-color: color.change(scheme.$surface1, $alpha: 0.4);
             padding: lib.s(10) lib.s(15);
diff --git a/src/modules/sidebar/audio.tsx b/src/modules/sidebar/audio.tsx
index 2b4c6e9..a5c1651 100644
--- a/src/modules/sidebar/audio.tsx
+++ b/src/modules/sidebar/audio.tsx
@@ -1,8 +1,10 @@
 import Media from "./modules/media";
+import Streams from "./modules/streams";
 
 export default () => (
     <box vertical className="pane audio" name="audio">
         <Media />
         <box className="separator" />
+        <Streams />
     </box>
 );
diff --git a/src/modules/sidebar/modules/streams.tsx b/src/modules/sidebar/modules/streams.tsx
new file mode 100644
index 0000000..a7b27cb
--- /dev/null
+++ b/src/modules/sidebar/modules/streams.tsx
@@ -0,0 +1,111 @@
+import { bind, execAsync, Variable } from "astal";
+import { Gtk } from "astal/gtk3";
+import AstalWp from "gi://AstalWp";
+
+interface IStream {
+    stream: AstalWp.Endpoint;
+    playing: boolean;
+}
+
+const header = (audio: AstalWp.Audio, key: "streams" | "speakers" | "recorders") =>
+    `${audio[key].length} ${audio[key].length === 1 ? key.slice(0, -1) : key}`;
+
+const sortStreams = (a: IStream, b: IStream) => {
+    if (a.playing || b.playing) return a.playing ? -1 : 1;
+    return 0;
+};
+
+const Stream = ({ stream, playing }: IStream) => (
+    <box className={`stream ${playing ? "playing" : ""}`}>
+        <icon className="icon" icon={bind(stream, "icon")} />
+        <box vertical hexpand>
+            <label truncate xalign={0} label={bind(stream, "name")} />
+            <label truncate xalign={0} className="sublabel" label={bind(stream, "description")} />
+        </box>
+        <button valign={Gtk.Align.CENTER} cursor="pointer" onClicked={() => (stream.volume -= 0.05)} label="-" />
+        <slider
+            showFillLevel
+            restrictToFillLevel={false}
+            fillLevel={2 / 3}
+            cursor="pointer"
+            value={bind(stream, "volume").as(v => v * (2 / 3))}
+            setup={self => self.connect("value-changed", () => stream.set_volume(self.value * 1.5))}
+        />
+        <button valign={Gtk.Align.CENTER} cursor="pointer" onClicked={() => (stream.volume += 0.05)} label="+" />
+    </box>
+);
+
+const List = ({ audio }: { audio: AstalWp.Audio }) => {
+    const streams = Variable<IStream[]>([]);
+
+    const update = async () => {
+        const paStreams = JSON.parse(await execAsync("pactl -f json list sink-inputs"));
+        streams.set(
+            audio.streams.map(s => ({
+                stream: s,
+                playing: paStreams.find((p: any) => p.properties["object.serial"] == s.serial)?.corked === false,
+            }))
+        );
+    };
+
+    streams.watch("pactl -f json subscribe", out => {
+        if (JSON.parse(out).on === "sink-input") update().catch(console.error);
+        return streams.get();
+    });
+    audio.connect("notify::streams", () => update().catch(console.error));
+
+    return (
+        <box vertical valign={Gtk.Align.START} className="list" onDestroy={() => streams.drop()}>
+            {bind(streams).as(ps => ps.sort(sortStreams).map(s => <Stream stream={s.stream} playing={s.playing} />))}
+        </box>
+    );
+};
+
+const NoSources = ({ icon, label }: { icon: string; label: string }) => (
+    <box homogeneous name="empty">
+        <box vertical halign={Gtk.Align.CENTER} valign={Gtk.Align.CENTER} className="empty">
+            <label className="icon" label={icon} />
+            <label label={label} />
+        </box>
+    </box>
+);
+
+const NoWp = () => (
+    <box vexpand homogeneous>
+        <box vertical valign={Gtk.Align.CENTER}>
+            <NoSources icon="no_sound" label="Audio module unavailable" />
+            <label className="no-wp-prompt" label="WirePlumber is required for this module" />
+        </box>
+    </box>
+);
+
+export default () => {
+    const audio = AstalWp.get_default()?.get_audio();
+
+    if (!audio) return <NoWp />;
+
+    const label = Variable("");
+
+    label.observe(
+        ["streams", "speakers", "recorders"].map(k => [audio, `notify::${k}`]),
+        () => `${header(audio, "streams")} • ${header(audio, "speakers")} • ${header(audio, "recorders")}`
+    );
+
+    return (
+        <box vertical className="streams" onDestroy={() => label.drop()}>
+            <box className="header-bar">
+                <label label={bind(label)} />
+            </box>
+            <stack
+                transitionType={Gtk.StackTransitionType.CROSSFADE}
+                transitionDuration={200}
+                shown={bind(audio, "streams").as(s => (s.length > 0 ? "list" : "empty"))}
+            >
+                <NoSources icon="stream" label="No audio sources" />
+                <scrollable expand hscroll={Gtk.PolicyType.NEVER} name="list">
+                    <List audio={audio} />
+                </scrollable>
+            </stack>
+        </box>
+    );
+};
-- 
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