1 files changed, 99 insertions, 0 deletions
diff --git a/.config/mpv/scripts/notify-send.lua b/.config/mpv/scripts/notify-send.lua
new file mode 100644
index 0000000..e0c022d
--- /dev/null
+++ b/.config/mpv/scripts/notify-send.lua
@@ -0,0 +1,99 @@
+local utils = require "mp.utils"
+
+local cover_filenames = { "cover.png", "cover.jpg", "cover.jpeg",
+                          "folder.jpg", "folder.png", "folder.jpeg",
+                          "AlbumArtwork.png", "AlbumArtwork.jpg", "AlbumArtwork.jpeg" }
+
+function notify(summary, body, options)
+    local option_args = {}
+    for key, value in pairs(options or {}) do
+        table.insert(option_args, string.format("--%s=%s", key, value))
+    end
+    return mp.command_native({
+        "run", "notify-send", unpack(option_args),
+        summary, body,
+    })
+end
+
+function escape_pango_markup(str)
+    return string.gsub(str, "([\"'<>&])", function (char)
+        return string.format("&#%d;", string.byte(char))
+    end)
+end
+
+function notify_media(title, origin, thumbnail)
+    return notify(escape_pango_markup(title), origin, {
+        -- For some inscrutable reason, GNOME 3.24.2
+        -- nondeterministically fails to pick up the notification icon
+        -- if either of these two parameters are present.
+        --
+        -- urgency = "low",
+        -- ["app-name"] = "mpv",
+
+        -- ...and this one makes notifications nondeterministically
+        -- fail to appear altogether.
+        --
+        -- hint = "string:desktop-entry:mpv",
+
+        icon = thumbnail or "mpv",
+    })
+end
+
+function file_exists(path)
+    local info, _ = utils.file_info(path)
+    return info ~= nil
+end
+
+function find_cover(dir)
+    -- make dir an absolute path
+    if dir[1] ~= "/" then
+        dir = utils.join_path(utils.getcwd(), dir)
+    end
+
+    for _, file in ipairs(cover_filenames) do
+        local path = utils.join_path(dir, file)
+        if file_exists(path) then
+            return path
+        end
+    end
+
+    return nil
+end
+
+function notify_current_media()
+    local path = mp.get_property_native("path")
+
+    local dir, file = utils.split_path(path)
+
+    -- TODO: handle embedded covers and videos?
+    -- potential options: mpv's take_screenshot, ffprobe/ffmpeg, ...
+    -- hooking off existing desktop thumbnails would be good too
+    local thumbnail = find_cover(dir)
+
+    local title = file
+    local origin = dir
+
+    local metadata = mp.get_property_native("metadata")
+    if metadata then
+        function tag(name)
+            return metadata[string.upper(name)] or metadata[name]
+        end
+
+        title = tag("title") or title
+        origin = tag("artist_credit") or tag("artist") or ""
+
+        local album = tag("album")
+        if album then
+            origin = string.format("%s — %s", origin, album)
+        end
+
+        local year = tag("original_year") or tag("year")
+        if year then
+            origin = string.format("%s (%s)", origin, year)
+        end
+    end
+
+    return notify_media(title, origin, thumbnail)
+end
+
+mp.register_event("file-loaded", notify_current_media)