3 files changed, 211 insertions, 0 deletions
diff --git a/.config/ags/widget/osd/OSD.ts b/.config/ags/widget/osd/OSD.ts
new file mode 100644
index 0000000..8239a08
--- /dev/null
+++ b/.config/ags/widget/osd/OSD.ts
@@ -0,0 +1,111 @@
+import { icon } from "lib/utils"
+import icons from "lib/icons"
+import Progress from "./Progress"
+import brightness from "service/brightness"
+import options from "options"
+
+const audio = await Service.import("audio")
+const { progress, microphone } = options.osd
+
+const DELAY = 2500
+
+function OnScreenProgress(vertical: boolean) {
+  const indicator = Widget.Icon({
+    size: 42,
+    vpack: "start",
+  })
+  const progress = Progress({
+    vertical,
+    width: vertical ? 42 : 300,
+    height: vertical ? 300 : 42,
+    child: indicator,
+  })
+
+  const revealer = Widget.Revealer({
+    transition: "slide_left",
+    child: progress,
+  })
+
+  let count = 0
+  function show(value: number, icon: string) {
+    revealer.reveal_child = true
+    indicator.icon = icon
+    progress.setValue(value)
+    count++
+    Utils.timeout(DELAY, () => {
+      count--
+
+      if (count === 0)
+        revealer.reveal_child = false
+    })
+  }
+
+  return revealer
+    .hook(brightness, () => show(
+      brightness.screen,
+      icons.brightness.screen,
+    ), "notify::screen")
+    .hook(brightness, () => show(
+      brightness.kbd,
+      icons.brightness.keyboard,
+    ), "notify::kbd")
+    .hook(audio.speaker, () => show(
+      audio.speaker.volume,
+      icon(audio.speaker.icon_name || "", icons.audio.type.speaker),
+    ), "notify::volume")
+}
+
+function MicrophoneMute() {
+  const icon = Widget.Icon({
+    class_name: "microphone",
+  })
+
+  const revealer = Widget.Revealer({
+    transition: "slide_up",
+    child: icon,
+  })
+
+  let count = 0
+  let mute = audio.microphone.stream?.is_muted ?? false
+
+  return revealer.hook(audio.microphone, () => Utils.idle(() => {
+    if (mute !== audio.microphone.stream?.is_muted) {
+      mute = audio.microphone.stream!.is_muted
+      icon.icon = icons.audio.mic[mute ? "muted" : "high"]
+      revealer.reveal_child = true
+      count++
+
+      Utils.timeout(DELAY, () => {
+        count--
+        if (count === 0)
+          revealer.reveal_child = false
+      })
+    }
+  }))
+}
+
+export default (monitor: number) => Widget.Window({
+  monitor,
+  name: `indicator${monitor}`,
+  class_name: "indicator",
+  layer: "overlay",
+  click_through: true,
+  anchor: ["right", "left", "top", "bottom"],
+  child: Widget.Box({
+    css: "padding: 2px;",
+    expand: true,
+    child: Widget.Overlay(
+      { child: Widget.Box({ expand: true }) },
+      Widget.Box({
+        hpack: progress.pack.h.bind(),
+        vpack: progress.pack.v.bind(),
+        child: progress.vertical.bind().as(OnScreenProgress),
+      }),
+      Widget.Box({
+        hpack: microphone.pack.h.bind(),
+        vpack: microphone.pack.v.bind(),
+        child: MicrophoneMute(),
+      }),
+    ),
+  }),
+})
diff --git a/.config/ags/widget/osd/Progress.ts b/.config/ags/widget/osd/Progress.ts
new file mode 100644
index 0000000..bcf27da
--- /dev/null
+++ b/.config/ags/widget/osd/Progress.ts
@@ -0,0 +1,74 @@
+import type Gtk from "gi://Gtk?version=3.0"
+import GLib from "gi://GLib?version=2.0"
+import { range } from "lib/utils"
+import options from "options"
+
+type ProgressProps = {
+    height?: number
+    width?: number
+    vertical?: boolean
+    child: Gtk.Widget
+}
+
+export default ({
+    height = 18,
+    width = 180,
+    vertical = false,
+    child,
+}: ProgressProps) => {
+    const fill = Widget.Box({
+        class_name: "fill",
+        hexpand: vertical,
+        vexpand: !vertical,
+        hpack: vertical ? "fill" : "start",
+        vpack: vertical ? "end" : "fill",
+        child,
+    })
+
+    const container = Widget.Box({
+        class_name: "progress",
+        child: fill,
+        css: `
+            min-width: ${width}px;
+            min-height: ${height}px;
+        `,
+    })
+
+    let fill_size = 0
+    let animations: number[] = []
+
+    return Object.assign(container, {
+        setValue(value: number) {
+            if (value < 0)
+                return
+
+            if (animations.length > 0) {
+                for (const id of animations)
+                    GLib.source_remove(id)
+
+                animations = []
+            }
+
+            const axis = vertical ? "height" : "width"
+            const axisv = vertical ? height : width
+            const min = vertical ? width : height
+            const preferred = (axisv - min) * value + min
+
+            if (!fill_size) {
+                fill_size = preferred
+                fill.css = `min-${axis}: ${preferred}px;`
+                return
+            }
+
+            const frames = options.transition.value / 10
+            const goal = preferred - fill_size
+            const step = goal / frames
+
+            animations = range(frames, 0).map(i => Utils.timeout(5 * i, () => {
+                fill_size += step
+                fill.css = `min-${axis}: ${fill_size}px`
+                animations.shift()
+            }))
+        },
+    })
+}
diff --git a/.config/ags/widget/osd/osd.scss b/.config/ags/widget/osd/osd.scss
new file mode 100644
index 0000000..111a486
--- /dev/null
+++ b/.config/ags/widget/osd/osd.scss
@@ -0,0 +1,26 @@
+window.indicator {
+    .progress {
+        @include floating-widget;
+        padding: $padding * .5;
+        border-radius: if($radius >0, calc($radius + $padding*.5), 0);
+        @debug $radius;
+
+        .fill {
+            border-radius: $radius;
+            background-color: $primary-bg;
+            color: $primary-fg;
+
+            image {
+                -gtk-icon-transform: scale(0.7);
+            }
+        }
+    }
+
+    .microphone {
+        @include floating-widget;
+        margin: $spacing * 2;
+        padding: $popover-padding * 2;
+        font-size: 58px;
+        color: transparentize($fg, .1)
+    }
+}