From 020e516acfaaee61ccb52e41d5f9d323e324d625 Mon Sep 17 00:00:00 2001
From: James Booth <boothj5@gmail.com>
Date: Fri, 30 Nov 2012 21:26:28 +0000
Subject: [PATCH] Simple output of idle/away

---
 configure.ac    |  4 ++++
 src/profanity.c | 28 ++++++++++++++++++++++++++++
 src/ui.h        |  3 +++
 src/windows.c   | 25 ++++++++++++++++++++++++-
 4 files changed, 59 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index ca9d8479..e34ade42 100644
--- a/configure.ac
+++ b/configure.ac
@@ -47,6 +47,10 @@ AC_CHECK_LIB([notify], [main], [],
     [AC_MSG_NOTICE([libnotify not found, desktop notifications not supported])])
 AC_CHECK_LIB([headunit], [main], [], 
     [AC_MSG_NOTICE([headunit not found, will not be able to run tests])])
+AC_CHECK_LIB([Xss], [main], [], 
+    [AC_MSG_NOTICE([libxss not found, falling back to profanity auto-away])])
+AC_CHECK_LIB([X11], [main], [], 
+    [AC_MSG_NOTICE([libX11 not found, falling back to profanity auto-away])])
 
 # Checks for header files.
 AC_CHECK_HEADERS([stdlib.h string.h])
diff --git a/src/profanity.c b/src/profanity.c
index e36fdd96..bf61ff4b 100644
--- a/src/profanity.c
+++ b/src/profanity.c
@@ -46,9 +46,13 @@
 
 static log_level_t _get_log_level(char *log_level);
 static gboolean _process_input(char *inp);
+static void _handle_idle_time(void);
 static void _init(const int disable_tls, char *log_level);
 static void _shutdown(void);
 
+static gboolean idle = FALSE;
+static gboolean away = FALSE;
+
 void
 prof_run(const int disable_tls, char *log_level)
 {
@@ -67,6 +71,8 @@ prof_run(const int disable_tls, char *log_level)
 
         while(ch != '\n') {
 
+            _handle_idle_time();
+
             gdouble elapsed = g_timer_elapsed(timer, NULL);
 
             gint remind_period = prefs_get_notify_remind();
@@ -434,6 +440,28 @@ _process_input(char *inp)
     return result;
 }
 
+static void
+_handle_idle_time()
+{
+    unsigned long idle_ms = ui_get_desktop_idle();
+    if (!idle) {
+        if (idle_ms >= 5000) {
+            idle = TRUE;
+            cons_show("IDLE");
+        }
+
+    } else {
+        if (idle_ms < 5000) {
+            idle = FALSE;
+            away = FALSE;
+            cons_show("BACK");
+        } else if ((idle_ms >= 10000) && (!away)) {
+            away = TRUE;
+            cons_show("AWAY");
+        }
+    }
+}
+
 static void
 _init(const int disable_tls, char *log_level)
 {
diff --git a/src/ui.h b/src/ui.h
index 0edcb2ab..e8d3e44d 100644
--- a/src/ui.h
+++ b/src/ui.h
@@ -76,6 +76,9 @@ void ui_disconnected(void);
 void ui_handle_special_keys(const int * const ch);
 void ui_switch_win(const int i);
 gboolean ui_windows_full(void);
+#ifdef HAVE_LIBXSS
+unsigned long ui_get_desktop_idle(void);
+#endif
 
 // create windows
 void create_title_bar(void);
diff --git a/src/windows.c b/src/windows.c
index 9ef29d88..03e6b699 100644
--- a/src/windows.c
+++ b/src/windows.c
@@ -25,6 +25,10 @@
 #include <stdlib.h>
 #include <string.h>
 
+#ifdef HAVE_LIBXSS
+#include <X11/extensions/scrnsaver.h>
+#endif
+
 #include <glib.h>
 #ifdef HAVE_LIBNOTIFY
 #include <libnotify/notify.h>
@@ -66,6 +70,10 @@ static int dirty;
 // max columns for main windows, never resize below
 static int max_cols = 0;
 
+#ifdef HAVE_LIBXSS
+static Display *display;
+#endif
+
 static void _set_current(int index);
 static void _create_windows(void);
 static void _cons_splash_logo(void);
@@ -116,7 +124,9 @@ ui_init(void)
     status_bar_active(0);
     create_input_window();
     _create_windows();
-
+#ifdef HAVE_LIBXSS
+    display = XOpenDisplay(0);
+#endif
     dirty = TRUE;
 }
 
@@ -161,6 +171,19 @@ ui_refresh(void)
     inp_put_back();
 }
 
+#ifdef HAVE_LIBXSS
+unsigned long
+ui_get_desktop_idle(void)
+{
+    XScreenSaverInfo *info = XScreenSaverAllocInfo();
+    XScreenSaverQueryInfo(display, DefaultRootWindow(display), info);
+    unsigned long result = info->idle;
+    XFree(info);
+
+    return result;
+}
+#endif
+
 void
 ui_close(void)
 {