From 0027e9422fa7205d0a50b995fbe172c35c9ce379 Mon Sep 17 00:00:00 2001
From: Dave Reisner <dreisner@archlinux.org>
Date: Mon, 21 Jan 2013 16:09:02 -0500
Subject: add support for libnotify based notifier

---
 Makefile   |  6 ++++++
 notify.h   | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 ponymix.cc | 14 +++++++++++++-
 3 files changed, 71 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 28bdaf3..951debb 100644
--- a/Makefile
+++ b/Makefile
@@ -6,13 +6,19 @@ base_LIBS = -lm
 libpulse_CXXFLAGS = $(shell pkg-config --cflags libpulse)
 libpulse_LIBS = $(shell pkg-config --libs libpulse)
 
+libnotify_CXXFLAGS = $(shell pkg-config --cflags libnotify 2>/dev/null && echo "-DHAVE_NOTIFY")
+libnotify_LIBS = $(shell pkg-config --libs libnotify 2>/dev/null)
+
+
 CXXFLAGS := \
 	$(base_CXXFLAGS) \
+	$(libnotify_CXXFLAGS) \
 	$(libpulse_CXXFLAGS) \
 	$(CXXFLAGS)
 
 LDLIBS := \
 	$(base_LIBS) \
+	$(libnotify_LIBS) \
 	$(libpulse_LIBS)
 
 all: ponymix
diff --git a/notify.h b/notify.h
index 03f6775..4718f20 100644
--- a/notify.h
+++ b/notify.h
@@ -2,6 +2,10 @@
 
 #include <stdio.h>
 
+#ifdef HAVE_NOTIFY
+#include <libnotify/notify.h>
+#endif
+
 enum NotificationType {
   NOTIFY_VOLUME,
   NOTIFY_BALANCE,
@@ -35,4 +39,52 @@ class CommandLineNotifier : public Notifier {
   }
 };
 
+#ifdef HAVE_NOTIFY
+class LibnotifyNotifier : public Notifier {
+ public:
+  LibnotifyNotifier() {
+    notify_init("ponymix");
+  }
+
+  virtual ~LibnotifyNotifier() {
+    notify_uninit();
+  }
+
+  virtual void Notify(enum NotificationType type, long value, bool mute) {
+    switch (type) {
+    case NOTIFY_BALANCE:
+      break;
+    case NOTIFY_VOLUME:
+    case NOTIFY_UNMUTE:
+    case NOTIFY_MUTE:
+      volchange(value, mute);
+      break;
+    }
+  }
+
+ private:
+  void volchange(long vol, bool mute) {
+    const char* icon = "notification-audio-volume-muted";
+
+    if (!mute) {
+      if (vol > 67) {
+        icon = "notification-audio-volume-high";
+      } else if (vol > 33) {
+        icon = "notification-audio-volume-medium";
+      } else if (vol > 0) {
+        icon = "notification-audio-volume-low";
+      }
+    }
+
+    NotifyNotification* notification = notify_notification_new("ponymix", "", icon);
+    notify_notification_set_timeout(notification, 1000);
+    notify_notification_set_urgency(notification, NOTIFY_URGENCY_NORMAL);
+    notify_notification_set_hint_int32(notification, "value", vol);
+    notify_notification_set_hint_string(notification, "synchronous", "volume");
+    notify_notification_show(notification, NULL);
+    g_object_unref(G_OBJECT(notification));
+  }
+};
+#endif
+
 // vim: set et ts=2 sw=2:
diff --git a/ponymix.cc b/ponymix.cc
index 2dde405..df8b1c7 100644
--- a/ponymix.cc
+++ b/ponymix.cc
@@ -56,6 +56,7 @@ static bool opt_listrestrict;
 static const char* opt_action;
 static const char* opt_device;
 static const char* opt_card;
+static bool opt_notify;
 static Color color;
 
 static const char* type_to_string(enum DeviceType t) {
@@ -534,6 +535,7 @@ bool parse_options(int argc, char** argv) {
     { "card",           required_argument, 0, 'c' },
     { "device",         required_argument, 0, 'd' },
     { "help",           no_argument,       0, 'h' },
+    { "notify",         no_argument,       0, 'N' },
     { "type",           required_argument, 0, 't' },
     { "sink",           no_argument,       0, 0x100 },
     { "output",         no_argument,       0, 0x101 },
@@ -545,7 +547,7 @@ bool parse_options(int argc, char** argv) {
   };
 
   for (;;) {
-    int opt = getopt_long(argc, argv, "c:d:ht:", opts, nullptr);
+    int opt = getopt_long(argc, argv, "c:d:hNt:", opts, nullptr);
     if (opt == -1)
       break;
 
@@ -559,6 +561,9 @@ bool parse_options(int argc, char** argv) {
     case 'h':
       usage();
       break;
+    case 'N':
+      opt_notify = true;
+      break;
     case 't':
       opt_devtype = string_to_devtype_or_die(optarg);
       opt_listrestrict = true;
@@ -605,7 +610,14 @@ int main(int argc, char* argv[]) {
   argv += optind;
 
   try {
+#ifdef HAVE_NOTIFY
+    if (opt_notify) {
+      ponymix.EnableNotifications(new LibnotifyNotifier);
+    } else
+#endif
+    {
     ponymix.EnableNotifications(new CommandLineNotifier);
+    }
   } catch (std::exception e) {
     fprintf(stderr, "failed to enable notifier\n");
   }
-- 
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