Redone vibrator in a stackable way
[gregoa/zavai.git] / src / audio.vala
index 0b142f32e63a3cfefdf4ad83768f28fda6ae0def..7639bcb3080584e835054f3b25f4cea33a2b9f28 100644 (file)
@@ -1,7 +1,7 @@
 /*
  * audio - audio resource for zavai
  *
- * Copyright (C) 2009  Enrico Zini <enrico@enricozini.org>
+ * Copyright (C) 2009--2010  Enrico Zini <enrico@enricozini.org>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -23,45 +23,274 @@ using GLib;
 namespace zavai {
 namespace audio {
 
+public class VibratorState
+{
+    public string name;
+    public int brightness;
+    public string trigger;
+    public int delay_on;
+    public int delay_off;
+
+    public VibratorState(string name)
+    {
+        this.name = name;
+        set_constant(0);
+    }
+
+    public void set_constant(int power)
+    {
+        brightness = power;
+        trigger = "none";
+        delay_on = 0;
+        delay_off = 0;
+    }
+
+    public void set_blink(int power, int delay_on=200, int delay_off=300)
+    {
+        brightness = power;
+        trigger = "timer";
+        this.delay_on = delay_on;
+        this.delay_off = delay_off;
+    }
+
+    public void to_omhacks(ref Omhacks.Led led)
+    {
+        led.brightness = brightness;
+        Memory.copy(led.trigger, trigger, trigger.size());
+        led.delay_on = 200;
+        led.delay_off = 300;
+    }
+}
+
+public class Vibrator : zavai.Resource, Object
+{
+    protected Omhacks.Led vibrator;
+
+    protected List<VibratorState> states;
+
+    public Vibrator() throws FileError
+    {
+        if (vibrator.init("neo1973:vibrator") != 0)
+            throw new FileError.NOENT("vibrator not found");
+
+        states = new List<VibratorState>();
+    }
+
+    public void turn_off()
+    {
+        vibrator.brightness = 0;
+        Memory.copy(vibrator.trigger, "none", 5);
+        vibrator.set();
+    }
+
+    public void push_state(VibratorState state)
+    {
+        states.prepend(state);
+        state.to_omhacks(ref vibrator);
+        vibrator.set();
+    }
+
+    public void pop_state(string name)
+    {
+        // Handle empty list
+        if (states == null) return;
+
+        // Track if the list head changed
+        weak List<VibratorState> old_top = states;
+
+        // Remove state "name" from the stack
+        for (weak List<VibratorState> i = states; i != null; i = i.next)
+            if (i.data.name == name)
+            {
+                states.delete_link(i);
+                break;
+            }
+
+        // If the list head changed, put into action the new top state
+        if (states != old_top)
+            if (states == null)
+                turn_off();
+            else {
+                // Activate the new top
+                states.data.to_omhacks(ref vibrator);
+                vibrator.set();
+            }
+    }
+
+    public void shutdown()
+    {
+        while (states != null)
+            states.delete_link(states);
+        turn_off();
+    }
+}
+
 public class Audio: zavai.Service
 {
-       protected dynamic DBus.Object audiodev;
-       protected dynamic DBus.Object vibdev;
-
-       public Audio()
-       {
-               name = "audio";
-               audiodev = zavai.registry.sbus.get_object(
-                       "org.freesmartphone.odeviced",
-                       "/org/freesmartphone/Device/Audio",
-                       "org.freesmartphone.Device.Audio");
+    /*
+       protected dynamic DBus.Object audiodev;
+       protected dynamic DBus.Object vibdev;
+   */
+
+    public Audio()
+    {
+        Object(name: "audio");
+
+/*
+        audiodev = zavai.registry.sbus.get_object(
+                "org.freesmartphone.odeviced",
+                "/org/freesmartphone/Device/Audio",
+                "org.freesmartphone.Device.Audio");
         vibdev = zavai.registry.sbus.get_object(
-                       "org.freesmartphone.odeviced",
-                       "/org/freesmartphone/Device/LED/neo1973_vibrator",
-                       "org.freesmartphone.Device.LED");
-       }
-
-    public void notify_alarm(zavai.clock.Alarm a)
-    {
-        // Wiggle screen to turn on backlight
-        zavai.ui.power.backlight.wiggle();
-        try {
-            // Method does not exist in this frameworkd
-            vibdev.BlinkSeconds(5, 500, 200);
-        } catch (Error e) {
-            zavai.log.error("Cannot blink vibrator: " + e.message);
+                "org.freesmartphone.odeviced",
+                "/org/freesmartphone/Device/LED/neo1973_vibrator",
+                "org.freesmartphone.Device.LED");
+*/
+        clock.alarm_trigger_queue.triggered += on_alarm_trigger;
+        clock.alarm_trigger_queue.acked += on_alarm_done;
+        clock.alarm_trigger_queue.canceled += on_alarm_done;
+    }
+
+    public void on_alarm_trigger(clock.AlarmTriggerInfo info)
+    {
+        zavai.log.debug("Make noise for alarm");
+        if (vibrator != null)
+        {
+            var state = new VibratorState("alarm");
+            state.set_blink(255);
+            vibrator.push_state(state);
         }
-        // TODO: play music?
+        soundplayer.play(config.ringtone_alarm, true);
+    }
+
+    public void on_alarm_done(clock.AlarmTriggerInfo info)
+    {
+        zavai.log.debug("Stop noise for alarm");
+        if (vibrator != null)
+            vibrator.pop_state("alarm");
+        soundplayer.stop();
+    }
+}
+
+public class Player: zavai.Resource, Object
+{
+    protected Gst.Element player;
+    protected bool playing;
+    protected Player slave;
+    protected Player master;
+    protected bool loop;
+    protected string uri;
+    public signal void state_changed(Gst.State new_state);
+
+    public Player()
+    {
+        slave = null;
+        master = null;
+        player = Gst.ElementFactory.make("playbin", null);
+        playing = false;
+        loop = false;
+        var bus = player.get_bus();
+        bus.add_signal_watch();
+        bus.message += on_message;
+    }
+
+    public void set_slave(Player player)
+    {
+        slave = player;
+        slave.master = this;
+    }
+
+    public void play(string uri, bool loop = false)
+    {
+stderr.printf("Playing %s\n", uri);
+        this.uri = uri;
+
+        if (slave != null && slave.playing)
+            slave.pause();
+
+        player.set_property("uri", uri);
+        player.set_state(master != null && master.playing ? Gst.State.PAUSED : Gst.State.PLAYING);
+        playing = true;
+        this.loop = loop;
+    }
+
+    public Gst.State get_state()
+    {
+        Gst.State state;
+        Gst.State pending;
+
+        player.get_state(out state, out pending, (Gst.ClockType)Gst.CLOCK_TIME_NONE);
+
+        return state;
+    }
+
+    public void pause()
+    {
+        player.set_state(Gst.State.PAUSED);
+        state_changed(Gst.State.PAUSED);
+    }
+
+    public void resume()
+    {
+        player.set_state(Gst.State.PLAYING);
+        state_changed(Gst.State.PLAYING);
+    }
+
+    public void restart()
+    {
+        player.seek_simple(Gst.Format.TIME, Gst.SeekFlags.FLUSH | Gst.SeekFlags.KEY_UNIT, 0);
+        player.set_state(Gst.State.PLAYING);
+        state_changed(Gst.State.PLAYING);
+    }
+
+    public void stop()
+    {
+        playing = false;
+        player.set_state(Gst.State.NULL);
+        state_changed(Gst.State.NULL);
+
+        // Resume slave after we are done
+        if (slave != null && slave.playing)
+            slave.resume();
+    }
+
+    protected void on_message(Gst.Message message)
+    {
+        if (message.type == Gst.MessageType.EOS)
+        {
+            if (loop)
+                restart();
+            else
+                stop();
+        }
+    }
+
+    public void shutdown()
+    {
+        stop();
     }
 }
 
+public Vibrator vibrator = null;
 public Audio audio = null;
+public Player musicplayer = null;
+public Player soundplayer = null;
 
 public void init()
 {
+    try {
+        vibrator = new Vibrator();
+        zavai.registry.register(vibrator);
+    } catch (Error e) {
+        zavai.log.info("No vibrator found");
+        vibrator = null;
+    }
     audio = new Audio();
-
-       zavai.registry.register_service(audio);
+    musicplayer = new Player();
+    soundplayer = new Player();
+    soundplayer.set_slave(musicplayer);
+    zavai.registry.register(musicplayer);
+    zavai.registry.register(soundplayer);
 }
 
 }