Added a segment for querying macOS notification counts

AUTHORS

@@ -32,3 +32,4 @@ antiAgainst <antiAgainst@gmail.com>
 Alexander Luberg <alex@luberg.me>
 Stanislaw Pusep <stas@sysd.org>
 Austin Beam
+Ingo Heimbach

segments/macos_notification_count.sh

@@ -0,0 +1,54 @@
+# Report macOS notification counts for given app ids (banner notifications only)
+# Based on http://www.ign.com/boards/threads/a-crumby-way-to-get-an-unread-count-of-imessages-into-applescript.453061379/
+
+TMUX_POWERLINE_SEG_OSX_NOTIFICATION_COUNT_APPIDS_DEFAULT="5"
+TMUX_POWERLINE_SEG_OSX_NOTIFICATION_COUNT_CHAR_DEFAULT="💬"
+
+generate_segmentrc() {
+	read -d '' rccontents  << EORC
+# App ids to query in notification center, separated by space
+# To get the app id that is associated with a specific app run:
+# sqlite3 -list "$(getconf DARWIN_USER_DIR)/com.apple.notificationcenter/db/db" 'select * from app_info'
+# The first column contains the app ids
+# "5" is the app id of Messages.app
+# Only "banner" notifications are supported (see settings in the notification center)
+export TMUX_POWERLINE_SEG_OSX_NOTIFICATION_COUNT_APPIDS="${TMUX_POWERLINE_SEG_OSX_NOTIFICATION_COUNT_APPIDS_DEFAULT}"
+# Notification symbol
+export TMUX_POWERLINE_SEG_OSX_NOTIFICATION_COUNT_CHAR="${TMUX_POWERLINE_SEG_OSX_NOTIFICATION_COUNT_CHAR_DEFAULT}"
+EORC
+	echo "${rccontents}"
+}
+
+__process_settings() {
+	if [ -z "$TMUX_POWERLINE_SEG_OSX_NOTIFICATION_COUNT_APPIDS" ]; then
+        export TMUX_POWERLINE_SEG_OSX_NOTIFICATION_COUNT_APPIDS="${TMUX_POWERLINE_SEG_OSX_NOTIFICATION_COUNT_APPIDS_DEFAULT}"
+	fi
+	if [ -z "$TMUX_POWERLINE_SEG_OSX_NOTIFICATION_COUNT_CHAR" ]; then
+		export TMUX_POWERLINE_SEG_OSX_NOTIFICATION_COUNT_CHAR="${TMUX_POWERLINE_SEG_OSX_NOTIFICATION_COUNT_CHAR_DEFAULT}"
+	fi
+}
+
+run_segment() {
+	__process_settings
+
+	local db_location app_ids_array query_condition query_string count
+	db_location="$(getconf DARWIN_USER_DIR)/com.apple.notificationcenter/db/db"
+	app_ids_array=(${TMUX_POWERLINE_SEG_OSX_NOTIFICATION_COUNT_APPIDS})
+	query_condition="where app_id=${app_ids_array[0]}"
+	for app_id in "${app_ids_array[@]:1}"; do
+		query_condition="${query_condition} OR app_id=${app_id}"
+	done
+    query_string="select count(*) from notifications ${query_condition}"
+	count=$(sqlite3 -list ${db_location} "${query_string}")
+
+	local exitcode="$?"
+	if [ "$exitcode" -ne 0 ]; then
+		return $exitcode
+	fi
+
+	if [[ -n "$count"  && "$count" -gt 0 ]]; then
+		echo "${TMUX_POWERLINE_SEG_OSX_NOTIFICATION_COUNT_CHAR} ${count}"
+	fi
+
+	return 0
+}

themes/default.sh

@@ -41,6 +41,7 @@ if [ -z $TMUX_POWERLINE_RIGHT_STATUS_SEGMENTS ]; then
 	TMUX_POWERLINE_RIGHT_STATUS_SEGMENTS=(
 		#"earthquake 3 0" \
 		"pwd 89 211" \
+		#"macos_notification_count 29 255" \
 		"mailcount 9 255" \
 		"now_playing 234 37" \
 		#"cpu 240 136" \