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-rw-r--r--src/volume-control.vala910
1 files changed, 13 insertions, 897 deletions
diff --git a/src/volume-control.vala b/src/volume-control.vala
index 62cb2d0..b06ea56 100644
--- a/src/volume-control.vala
+++ b/src/volume-control.vala
@@ -1,6 +1,6 @@
/*
* -*- Mode:Vala; indent-tabs-mode:t; tab-width:4; encoding:utf8 -*-
- * Copyright 2013 Canonical Ltd.
+ * Copyright © 2015 Canonical Ltd.
*
* 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
@@ -15,903 +15,19 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authors:
- * Alberto Ruiz <alberto.ruiz@canonical.com>
+ * Ted Gould <ted@canonical.com>
*/
-using PulseAudio;
-using Notify;
-using Gee;
-
-[CCode(cname="pa_cvolume_set", cheader_filename = "pulse/volume.h")]
-extern unowned PulseAudio.CVolume? vol_set (PulseAudio.CVolume? cv, uint channels, PulseAudio.Volume v);
-
-[DBus (name="com.canonical.UnityGreeter.List")]
-interface GreeterListInterface : Object
-{
- public abstract async string get_active_entry () throws IOError;
- public signal void entry_selected (string entry_name);
-}
-
-public class VolumeControl : Object
+public abstract class VolumeControl : Object
{
- /* this is static to ensure it being freed after @context (loop does not have ref counting) */
- private static PulseAudio.GLibMainLoop loop;
-
- private uint _reconnect_timer = 0;
-
- private PulseAudio.Context context;
- private bool _mute = true;
- private bool _is_playing = false;
- private double _volume = 0.0;
- private double _mic_volume = 0.0;
-
- /* Used by the pulseaudio stream restore extension */
- private DBusConnection _pconn;
- /* Need both the list and hash so we can retrieve the last known sink-input after
- * releasing the current active one (restoring back to the previous known role) */
- private Gee.ArrayList<uint32> _sink_input_list = new Gee.ArrayList<uint32> ();
- private HashMap<uint32, string> _sink_input_hash = new HashMap<uint32, string> ();
- private bool _pulse_use_stream_restore = false;
- private uint32 _active_sink_input = -1;
- private string[] _valid_roles = {"multimedia", "alert", "alarm", "phone"};
- public string stream {
- get {
- if (_active_sink_input < 0 || _active_sink_input >= _valid_roles.length)
- return "multimedia";
- else
- return _valid_roles[_active_sink_input];
- }
- }
- private string? _objp_role_multimedia = null;
- private string? _objp_role_alert = null;
- private string? _objp_role_alarm = null;
- private string? _objp_role_phone = null;
- private uint _pa_volume_sig_count = 0;
-
- private DBusProxy _user_proxy;
- private GreeterListInterface _greeter_proxy;
- private Cancellable _mute_cancellable;
- private Cancellable _volume_cancellable;
- private uint _local_volume_timer = 0;
- private uint _accountservice_volume_timer = 0;
- private bool _send_next_local_volume = false;
- private double _account_service_volume = 0.0;
- private bool _active_port_headphone = false;
-
- /** true when connected to the pulse server */
- public bool ready { get; set; }
-
- /** true when a microphone is active **/
- public bool active_mic { get; private set; default = false; }
-
- /** true when high volume warnings should be shown */
- public bool high_volume {
- get {
- return this._volume > 0.75 && _active_port_headphone;
- }
- }
-
- public VolumeControl ()
- {
- if (loop == null)
- loop = new PulseAudio.GLibMainLoop ();
-
- _mute_cancellable = new Cancellable ();
- _volume_cancellable = new Cancellable ();
-
- setup_accountsservice.begin ();
-
- this.reconnect_to_pulse ();
- }
-
- ~VolumeControl ()
- {
- if (_reconnect_timer != 0) {
- Source.remove (_reconnect_timer);
- _reconnect_timer = 0;
- }
- stop_local_volume_timer();
- stop_account_service_volume_timer();
- }
-
- /* PulseAudio logic*/
- private void context_events_cb (Context c, Context.SubscriptionEventType t, uint32 index)
- {
- switch (t & Context.SubscriptionEventType.FACILITY_MASK)
- {
- case Context.SubscriptionEventType.SINK:
- update_sink ();
- break;
-
- case Context.SubscriptionEventType.SINK_INPUT:
- switch (t & Context.SubscriptionEventType.TYPE_MASK)
- {
- case Context.SubscriptionEventType.NEW:
- c.get_sink_input_info (index, handle_new_sink_input_cb);
- break;
-
- case Context.SubscriptionEventType.CHANGE:
- c.get_sink_input_info (index, handle_changed_sink_input_cb);
- break;
-
- case Context.SubscriptionEventType.REMOVE:
- remove_sink_input_from_list (index);
- break;
- default:
- debug ("Sink input event not known.");
- break;
- }
- break;
-
- case Context.SubscriptionEventType.SOURCE:
- update_source ();
- break;
-
- case Context.SubscriptionEventType.SOURCE_OUTPUT:
- switch (t & Context.SubscriptionEventType.TYPE_MASK)
- {
- case Context.SubscriptionEventType.NEW:
- c.get_source_output_info (index, source_output_info_cb);
- break;
-
- case Context.SubscriptionEventType.REMOVE:
- this.active_mic = false;
- break;
- }
- break;
- }
- }
-
- private void sink_info_cb_for_props (Context c, SinkInfo? i, int eol)
- {
- bool old_high_volume = this.high_volume;
-
- if (i == null)
- return;
-
- if (_mute != (bool)i.mute)
- {
- _mute = (bool)i.mute;
- this.notify_property ("mute");
- }
-
- var playing = (i.state == PulseAudio.SinkState.RUNNING);
- if (_is_playing != playing)
- {
- _is_playing = playing;
- this.notify_property ("is-playing");
- }
-
- /* Check if the current active port is headset/headphone */
- /* There is not easy way to check if the port is a headset/headphone besides
- * checking for the port name. On touch (with the pulseaudio droid element)
- * the headset/headphone port is called 'output-headset' and 'output-headphone'.
- * On the desktop this is usually called 'analog-output-headphones' */
- if (i.active_port != null &&
- (i.active_port.name == "output-wired_headset" ||
- i.active_port.name == "output-wired_headphone" ||
- i.active_port.name == "analog-output-headphones")) {
- _active_port_headphone = true;
- } else {
- _active_port_headphone = false;
- }
-
- if (_pulse_use_stream_restore == false &&
- _volume != volume_to_double (i.volume.max ()))
- {
- _volume = volume_to_double (i.volume.max ());
- this.notify_property("volume");
- start_local_volume_timer();
- }
-
- if (this.high_volume != old_high_volume) {
- this.notify_property("high-volume");
- }
- }
-
- private void source_info_cb (Context c, SourceInfo? i, int eol)
- {
- if (i == null)
- return;
-
- if (_mic_volume != volume_to_double (i.volume.values[0]))
- {
- _mic_volume = volume_to_double (i.volume.values[0]);
- this.notify_property ("mic-volume");
- }
- }
-
- private void server_info_cb_for_props (Context c, ServerInfo? i)
- {
- if (i == null)
- return;
- context.get_sink_info_by_name (i.default_sink_name, sink_info_cb_for_props);
- }
-
- private void update_sink ()
- {
- context.get_server_info (server_info_cb_for_props);
- }
-
- private void update_source_get_server_info_cb (PulseAudio.Context c, PulseAudio.ServerInfo? i) {
- if (i != null)
- context.get_source_info_by_name (i.default_source_name, source_info_cb);
- }
-
- private void update_source ()
- {
- context.get_server_info (update_source_get_server_info_cb);
- }
-
- private DBusMessage pulse_dbus_filter (DBusConnection connection, owned DBusMessage message, bool incoming)
- {
- if (message.get_message_type () == DBusMessageType.SIGNAL) {
- string active_role_objp = _objp_role_alert;
- if (_active_sink_input != -1)
- active_role_objp = _sink_input_hash.get (_active_sink_input);
-
- if (message.get_path () == active_role_objp && message.get_member () == "VolumeUpdated") {
- uint sig_count = 0;
- lock (_pa_volume_sig_count) {
- sig_count = _pa_volume_sig_count;
- if (_pa_volume_sig_count > 0)
- _pa_volume_sig_count--;
- }
-
- /* We only care about signals if our internal count is zero */
- if (sig_count == 0) {
- /* Extract volume and make sure it's not a side effect of us setting it */
- Variant body = message.get_body ();
- Variant varray = body.get_child_value (0);
-
- uint32 type = 0, volume = 0;
- VariantIter iter = varray.iterator ();
- iter.next ("(uu)", &type, &volume);
- /* Here we need to compare integer values to avoid rounding issues, so just
- * using the volume values used by pulseaudio */
- PulseAudio.Volume cvolume = double_to_volume (_volume);
- if (volume != cvolume) {
- /* Someone else changed the volume for this role, reflect on the indicator */
- _volume = volume_to_double (volume);
- this.notify_property("volume");
- start_local_volume_timer();
- }
- }
- }
- }
-
- return message;
- }
-
- private async void update_active_sink_input (uint32 index)
- {
- if ((index == -1) || (index != _active_sink_input && index in _sink_input_list)) {
- string sink_input_objp = _objp_role_alert;
- if (index != -1)
- sink_input_objp = _sink_input_hash.get (index);
- _active_sink_input = index;
-
- /* Listen for role volume changes from pulse itself (external clients) */
- try {
- var builder = new VariantBuilder (new VariantType ("ao"));
- builder.add ("o", sink_input_objp);
-
- yield _pconn.call ("org.PulseAudio.Core1", "/org/pulseaudio/core1",
- "org.PulseAudio.Core1", "ListenForSignal",
- new Variant ("(sao)", "org.PulseAudio.Ext.StreamRestore1.RestoreEntry.VolumeUpdated", builder),
- null, DBusCallFlags.NONE, -1);
- } catch (GLib.Error e) {
- warning ("unable to listen for pulseaudio dbus signals (%s)", e.message);
- }
-
- try {
- var props_variant = yield _pconn.call ("org.PulseAudio.Ext.StreamRestore1.RestoreEntry",
- sink_input_objp, "org.freedesktop.DBus.Properties", "Get",
- new Variant ("(ss)", "org.PulseAudio.Ext.StreamRestore1.RestoreEntry", "Volume"),
- null, DBusCallFlags.NONE, -1);
- Variant tmp;
- props_variant.get ("(v)", out tmp);
- uint32 type = 0, volume = 0;
- VariantIter iter = tmp.iterator ();
- iter.next ("(uu)", &type, &volume);
-
- _volume = volume_to_double (volume);
- this.notify_property("volume");
- start_local_volume_timer();
- } catch (GLib.Error e) {
- warning ("unable to get volume for active role %s (%s)", sink_input_objp, e.message);
- }
- }
- }
-
- private void add_sink_input_into_list (SinkInputInfo sink_input)
- {
- /* We're only adding ones that are not corked and with a valid role */
- var role = sink_input.proplist.gets (PulseAudio.Proplist.PROP_MEDIA_ROLE);
-
- if (role != null && role in _valid_roles) {
- if (sink_input.corked == 0 || role == "phone") {
- _sink_input_list.insert (0, sink_input.index);
- switch (role)
- {
- case "multimedia":
- _sink_input_hash.set (sink_input.index, _objp_role_multimedia);
- break;
- case "alert":
- _sink_input_hash.set (sink_input.index, _objp_role_alert);
- break;
- case "alarm":
- _sink_input_hash.set (sink_input.index, _objp_role_alarm);
- break;
- case "phone":
- _sink_input_hash.set (sink_input.index, _objp_role_phone);
- break;
- }
- /* Only switch the active sink input in case a phone one is not active */
- if (_active_sink_input == -1 ||
- _sink_input_hash.get (_active_sink_input) != _objp_role_phone)
- update_active_sink_input.begin (sink_input.index);
- }
- }
- }
-
- private void remove_sink_input_from_list (uint32 index)
- {
- if (index in _sink_input_list) {
- _sink_input_list.remove (index);
- _sink_input_hash.unset (index);
- if (index == _active_sink_input) {
- if (_sink_input_list.size != 0)
- update_active_sink_input.begin (_sink_input_list.get (0));
- else
- update_active_sink_input.begin (-1);
- }
- }
- }
-
- private void handle_new_sink_input_cb (Context c, SinkInputInfo? i, int eol)
- {
- if (i == null)
- return;
-
- add_sink_input_into_list (i);
- }
-
- private void handle_changed_sink_input_cb (Context c, SinkInputInfo? i, int eol)
- {
- if (i == null)
- return;
-
- if (i.index in _sink_input_list) {
- /* Phone stream is always corked, so handle it differently */
- if (i.corked == 1 && _sink_input_hash.get (i.index) != _objp_role_phone)
- remove_sink_input_from_list (i.index);
- } else {
- if (i.corked == 0)
- add_sink_input_into_list (i);
- }
- }
-
- private void source_output_info_cb (Context c, SourceOutputInfo? i, int eol)
- {
- if (i == null)
- return;
-
- var role = i.proplist.gets (PulseAudio.Proplist.PROP_MEDIA_ROLE);
- if (role == "phone" || role == "production")
- this.active_mic = true;
- }
-
- private void context_state_callback (Context c)
- {
- switch (c.get_state ()) {
- case Context.State.READY:
- if (_pulse_use_stream_restore) {
- c.subscribe (PulseAudio.Context.SubscriptionMask.SINK |
- PulseAudio.Context.SubscriptionMask.SINK_INPUT |
- PulseAudio.Context.SubscriptionMask.SOURCE |
- PulseAudio.Context.SubscriptionMask.SOURCE_OUTPUT);
- } else {
- c.subscribe (PulseAudio.Context.SubscriptionMask.SINK |
- PulseAudio.Context.SubscriptionMask.SOURCE |
- PulseAudio.Context.SubscriptionMask.SOURCE_OUTPUT);
- }
- c.set_subscribe_callback (context_events_cb);
- update_sink ();
- update_source ();
- this.ready = true;
- break;
-
- case Context.State.FAILED:
- case Context.State.TERMINATED:
- if (_reconnect_timer == 0)
- _reconnect_timer = Timeout.add_seconds (2, reconnect_timeout);
- break;
-
- default:
- this.ready = false;
- break;
- }
- }
-
- bool reconnect_timeout ()
- {
- _reconnect_timer = 0;
- reconnect_to_pulse ();
- return false; // G_SOURCE_REMOVE
- }
-
- void reconnect_to_pulse ()
- {
- if (this.ready) {
- this.context.disconnect ();
- this.context = null;
- this.ready = false;
- }
-
- var props = new Proplist ();
- props.sets (Proplist.PROP_APPLICATION_NAME, "Ubuntu Audio Settings");
- props.sets (Proplist.PROP_APPLICATION_ID, "com.canonical.settings.sound");
- props.sets (Proplist.PROP_APPLICATION_ICON_NAME, "multimedia-volume-control");
- props.sets (Proplist.PROP_APPLICATION_VERSION, "0.1");
-
- reconnect_pulse_dbus ();
-
- this.context = new PulseAudio.Context (loop.get_api(), null, props);
- this.context.set_state_callback (context_state_callback);
-
- if (context.connect(null, Context.Flags.NOFAIL, null) < 0)
- warning( "pa_context_connect() failed: %s\n", PulseAudio.strerror(context.errno()));
- }
-
- void sink_info_list_callback_set_mute (PulseAudio.Context context, PulseAudio.SinkInfo? sink, int eol) {
- if (sink != null)
- context.set_sink_mute_by_index (sink.index, true, null);
- }
-
- void sink_info_list_callback_unset_mute (PulseAudio.Context context, PulseAudio.SinkInfo? sink, int eol) {
- if (sink != null)
- context.set_sink_mute_by_index (sink.index, false, null);
- }
-
- /* Mute operations */
- bool set_mute_internal (bool mute)
- {
- return_val_if_fail (context.get_state () == Context.State.READY, false);
-
- if (_mute != mute) {
- if (mute)
- context.get_sink_info_list (sink_info_list_callback_set_mute);
- else
- context.get_sink_info_list (sink_info_list_callback_unset_mute);
- return true;
- } else {
- return false;
- }
- }
-
- public void set_mute (bool mute)
- {
- if (set_mute_internal (mute))
- sync_mute_to_accountsservice.begin (mute);
- }
-
- public void toggle_mute ()
- {
- this.set_mute (!this._mute);
- }
-
- public bool mute
- {
- get
- {
- return this._mute;
- }
- }
-
- public bool is_playing
- {
- get
- {
- return this._is_playing;
- }
- }
-
- /* Volume operations */
- private static PulseAudio.Volume double_to_volume (double vol)
- {
- double tmp = (double)(PulseAudio.Volume.NORM - PulseAudio.Volume.MUTED) * vol;
- return (PulseAudio.Volume)tmp + PulseAudio.Volume.MUTED;
- }
-
- private static double volume_to_double (PulseAudio.Volume vol)
- {
- double tmp = (double)(vol - PulseAudio.Volume.MUTED);
- return tmp / (double)(PulseAudio.Volume.NORM - PulseAudio.Volume.MUTED);
- }
-
- private void set_volume_success_cb (Context c, int success)
- {
- if ((bool)success)
- this.notify_property("volume");
- }
-
- private void sink_info_set_volume_cb (Context c, SinkInfo? i, int eol)
- {
- if (i == null)
- return;
-
- unowned CVolume cvol = i.volume;
- cvol.scale (double_to_volume (_volume));
- c.set_sink_volume_by_index (i.index, cvol, set_volume_success_cb);
- }
-
- private void server_info_cb_for_set_volume (Context c, ServerInfo? i)
- {
- if (i == null)
- {
- warning ("Could not get PulseAudio server info");
- return;
- }
-
- context.get_sink_info_by_name (i.default_sink_name, sink_info_set_volume_cb);
- }
-
- private async void set_volume_active_role ()
- {
- string active_role_objp = _objp_role_alert;
-
- if (_active_sink_input != -1 && _active_sink_input in _sink_input_list)
- active_role_objp = _sink_input_hash.get (_active_sink_input);
-
- try {
- var builder = new VariantBuilder (new VariantType ("a(uu)"));
- builder.add ("(uu)", 0, double_to_volume (_volume));
- Variant volume = builder.end ();
-
- /* Increase the signal counter so we can handle the callback */
- lock (_pa_volume_sig_count) {
- _pa_volume_sig_count++;
- }
-
- yield _pconn.call ("org.PulseAudio.Ext.StreamRestore1.RestoreEntry",
- active_role_objp, "org.freedesktop.DBus.Properties", "Set",
- new Variant ("(ssv)", "org.PulseAudio.Ext.StreamRestore1.RestoreEntry", "Volume", volume),
- null, DBusCallFlags.NONE, -1);
-
- this.notify_property("volume");
- } catch (GLib.Error e) {
- lock (_pa_volume_sig_count) {
- _pa_volume_sig_count--;
- }
- warning ("unable to set volume for stream obj path %s (%s)", active_role_objp, e.message);
- }
- }
-
- bool set_volume_internal (double volume)
- {
- if (context.get_state () != Context.State.READY)
- return false;
-
- if (_volume != volume) {
- var old_high_volume = this.high_volume;
-
- _volume = volume;
- if (_pulse_use_stream_restore)
- set_volume_active_role.begin ();
- else
- context.get_server_info (server_info_cb_for_set_volume);
-
- this.notify_property("volume");
-
- if (this.high_volume != old_high_volume)
- this.notify_property("high-volume");
-
- return true;
- } else {
- return false;
- }
- }
-
- void set_mic_volume_success_cb (Context c, int success)
- {
- if ((bool)success)
- this.notify_property ("mic-volume");
- }
-
- void set_mic_volume_get_server_info_cb (PulseAudio.Context c, PulseAudio.ServerInfo? i) {
- if (i != null) {
- unowned CVolume cvol = CVolume ();
- cvol = vol_set (cvol, 1, double_to_volume (_mic_volume));
- c.set_source_volume_by_name (i.default_source_name, cvol, set_mic_volume_success_cb);
- }
- }
-
- public double volume {
- get {
- return _volume;
- }
- set {
- if (set_volume_internal (value)) {
- start_local_volume_timer();
- }
- }
- }
-
- public double mic_volume {
- get {
- return _mic_volume;
- }
- set {
- return_if_fail (context.get_state () == Context.State.READY);
-
- _mic_volume = value;
-
- context.get_server_info (set_mic_volume_get_server_info_cb);
- }
- }
-
- /* PulseAudio Dbus (Stream Restore) logic */
- private void reconnect_pulse_dbus ()
- {
- unowned string pulse_dbus_server_env = Environment.get_variable ("PULSE_DBUS_SERVER");
- string address;
-
- /* In case of a reconnect */
- _pulse_use_stream_restore = false;
- _pa_volume_sig_count = 0;
-
- if (pulse_dbus_server_env != null) {
- address = pulse_dbus_server_env;
- } else {
- DBusConnection conn;
- Variant props;
-
- try {
- conn = Bus.get_sync (BusType.SESSION);
- } catch (GLib.IOError e) {
- warning ("unable to get the dbus session bus: %s", e.message);
- return;
- }
-
- try {
- var props_variant = conn.call_sync ("org.PulseAudio1",
- "/org/pulseaudio/server_lookup1", "org.freedesktop.DBus.Properties",
- "Get", new Variant ("(ss)", "org.PulseAudio.ServerLookup1", "Address"),
- null, DBusCallFlags.NONE, -1);
- props_variant.get ("(v)", out props);
- address = props.get_string ();
- } catch (GLib.Error e) {
- warning ("unable to get pulse unix socket: %s", e.message);
- return;
- }
- }
-
- stdout.printf ("PulseAudio dbus unix socket: %s\n", address);
- try {
- _pconn = new DBusConnection.for_address_sync (address, DBusConnectionFlags.AUTHENTICATION_CLIENT);
- } catch (GLib.Error e) {
- /* If it fails, it means the dbus pulse extension is not available */
- return;
- }
-
- /* For pulse dbus related events */
- _pconn.add_filter (pulse_dbus_filter);
-
- /* Check if the 4 currently supported media roles are already available in StreamRestore
- * Roles: multimedia, alert, alarm and phone */
- _objp_role_multimedia = stream_restore_get_object_path ("sink-input-by-media-role:multimedia");
- _objp_role_alert = stream_restore_get_object_path ("sink-input-by-media-role:alert");
- _objp_role_alarm = stream_restore_get_object_path ("sink-input-by-media-role:alarm");
- _objp_role_phone = stream_restore_get_object_path ("sink-input-by-media-role:phone");
-
- /* Only use stream restore if every used role is available */
- if (_objp_role_multimedia != null && _objp_role_alert != null && _objp_role_alarm != null && _objp_role_phone != null) {
- stdout.printf ("Using PulseAudio DBUS Stream Restore module\n");
- /* Restore volume and update default entry */
- update_active_sink_input.begin (-1);
- _pulse_use_stream_restore = true;
- }
- }
-
- private string? stream_restore_get_object_path (string name) {
- string? objp = null;
- try {
- Variant props_variant = _pconn.call_sync ("org.PulseAudio.Ext.StreamRestore1",
- "/org/pulseaudio/stream_restore1", "org.PulseAudio.Ext.StreamRestore1",
- "GetEntryByName", new Variant ("(s)", name), null, DBusCallFlags.NONE, -1);
- /* Workaround for older versions of vala that don't provide get_objv */
- VariantIter iter = props_variant.iterator ();
- iter.next ("o", &objp);
- stdout.printf ("Found obj path %s for restore data named %s\n", objp, name);
- } catch (GLib.Error e) {
- warning ("unable to find stream restore data for: %s", name);
- }
- return objp;
- }
-
- /* AccountsService operations */
- private void accountsservice_props_changed_cb (DBusProxy proxy, Variant changed_properties, string[]? invalidated_properties)
- {
- Variant volume_variant = changed_properties.lookup_value ("Volume", new VariantType ("d"));
- if (volume_variant != null) {
- var volume = volume_variant.get_double ();
- if (volume >= 0) {
- _account_service_volume = volume;
- // we need to wait for this to settle.
- start_account_service_volume_timer();
- }
- }
-
- Variant mute_variant = changed_properties.lookup_value ("Muted", new VariantType ("b"));
- if (mute_variant != null) {
- var mute = mute_variant.get_boolean ();
- set_mute_internal (mute);
- }
- }
-
- private async void setup_user_proxy (string? username_in = null)
- {
- var username = username_in;
- _user_proxy = null;
-
- // Look up currently selected greeter user, if asked
- if (username == null) {
- try {
- username = yield _greeter_proxy.get_active_entry ();
- if (username == "" || username == null)
- return;
- } catch (GLib.Error e) {
- warning ("unable to find Accounts path for user %s: %s", username, e.message);
- return;
- }
- }
-
- // Get master AccountsService object
- DBusProxy accounts_proxy;
- try {
- accounts_proxy = yield DBusProxy.create_for_bus (BusType.SYSTEM, DBusProxyFlags.DO_NOT_LOAD_PROPERTIES | DBusProxyFlags.DO_NOT_CONNECT_SIGNALS, null, "org.freedesktop.Accounts", "/org/freedesktop/Accounts", "org.freedesktop.Accounts");
- } catch (GLib.Error e) {
- warning ("unable to get greeter proxy: %s", e.message);
- return;
- }
-
- // Find user's AccountsService object
- try {
- var user_path_variant = yield accounts_proxy.call ("FindUserByName", new Variant ("(s)", username), DBusCallFlags.NONE, -1);
- string user_path;
- user_path_variant.get ("(o)", out user_path);
- _user_proxy = yield DBusProxy.create_for_bus (BusType.SYSTEM, DBusProxyFlags.GET_INVALIDATED_PROPERTIES, null, "org.freedesktop.Accounts", user_path, "com.ubuntu.AccountsService.Sound");
- } catch (GLib.Error e) {
- warning ("unable to find Accounts path for user %s: %s", username, e.message);
- return;
- }
-
- // Get current values and listen for changes
- _user_proxy.g_properties_changed.connect (accountsservice_props_changed_cb);
- try {
- var props_variant = yield _user_proxy.get_connection ().call (_user_proxy.get_name (), _user_proxy.get_object_path (), "org.freedesktop.DBus.Properties", "GetAll", new Variant ("(s)", _user_proxy.get_interface_name ()), null, DBusCallFlags.NONE, -1);
- Variant props;
- props_variant.get ("(@a{sv})", out props);
- accountsservice_props_changed_cb(_user_proxy, props, null);
- } catch (GLib.Error e) {
- debug("Unable to get properties for user %s at first try: %s", username, e.message);
- }
- }
-
- private void greeter_user_changed (string username)
- {
- setup_user_proxy.begin (username);
- }
-
- private async void setup_accountsservice ()
- {
- if (Environment.get_variable ("XDG_SESSION_CLASS") == "greeter") {
- try {
- _greeter_proxy = yield Bus.get_proxy (BusType.SESSION, "com.canonical.UnityGreeter", "/list");
- } catch (GLib.Error e) {
- warning ("unable to get greeter proxy: %s", e.message);
- return;
- }
- _greeter_proxy.entry_selected.connect (greeter_user_changed);
- yield setup_user_proxy ();
- } else {
- // We are in a user session. We just need our own proxy
- var username = Environment.get_variable ("USER");
- if (username != "" && username != null) {
- yield setup_user_proxy (username);
- }
- }
- }
-
- private async void sync_mute_to_accountsservice (bool mute)
- {
- if (_user_proxy == null)
- return;
-
- _mute_cancellable.cancel ();
- _mute_cancellable.reset ();
-
- try {
- yield _user_proxy.get_connection ().call (_user_proxy.get_name (), _user_proxy.get_object_path (), "org.freedesktop.DBus.Properties", "Set", new Variant ("(ssv)", _user_proxy.get_interface_name (), "Muted", new Variant ("b", mute)), null, DBusCallFlags.NONE, -1, _mute_cancellable);
- } catch (GLib.Error e) {
- warning ("unable to sync mute to AccountsService: %s", e.message);
- }
- }
-
- private async void sync_volume_to_accountsservice (double volume)
- {
- if (_user_proxy == null)
- return;
-
- _volume_cancellable.cancel ();
- _volume_cancellable.reset ();
-
- try {
- yield _user_proxy.get_connection ().call (_user_proxy.get_name (), _user_proxy.get_object_path (), "org.freedesktop.DBus.Properties", "Set", new Variant ("(ssv)", _user_proxy.get_interface_name (), "Volume", new Variant ("d", volume)), null, DBusCallFlags.NONE, -1, _volume_cancellable);
- } catch (GLib.Error e) {
- warning ("unable to sync volume to AccountsService: %s", e.message);
- }
- }
-
- private void start_local_volume_timer()
- {
- // perform a slow sync with the accounts service. max at 1 per second.
-
- // stop the AS update timer, as since we're going to be setting the volume.
- stop_account_service_volume_timer();
-
- if (_local_volume_timer == 0) {
- sync_volume_to_accountsservice.begin (_volume);
- _local_volume_timer = Timeout.add_seconds (1, local_volume_changed_timeout);
- } else {
- _send_next_local_volume = true;
- }
- }
-
- private void stop_local_volume_timer()
- {
- if (_local_volume_timer != 0) {
- Source.remove (_local_volume_timer);
- _local_volume_timer = 0;
- }
- }
-
- bool local_volume_changed_timeout()
- {
- _local_volume_timer = 0;
- if (_send_next_local_volume) {
- _send_next_local_volume = false;
- start_local_volume_timer ();
- }
- return false; // G_SOURCE_REMOVE
- }
-
- private void start_account_service_volume_timer()
- {
- if (_accountservice_volume_timer == 0) {
- // If we haven't been messing with local volume recently, apply immediately.
- if (_local_volume_timer == 0 && !set_volume_internal (_account_service_volume)) {
- return;
- }
- // Else check again in another second if needed.
- // (if AS is throwing us lots of notifications, we update at most once a second)
- _accountservice_volume_timer = Timeout.add_seconds (1, accountservice_volume_changed_timeout);
- }
- }
-
- private void stop_account_service_volume_timer()
- {
- if (_accountservice_volume_timer != 0) {
- Source.remove (_accountservice_volume_timer);
- _accountservice_volume_timer = 0;
- }
- }
-
- bool accountservice_volume_changed_timeout ()
- {
- _accountservice_volume_timer = 0;
- start_account_service_volume_timer ();
- return false; // G_SOURCE_REMOVE
- }
+ public virtual string stream { get { return ""; } }
+ public virtual bool ready { get { return false; } set { } }
+ public virtual bool active_mic { get { return false; } set { } }
+ public virtual bool high_volume { get { return false; } }
+ public virtual bool mute { get { return false; } }
+ public virtual bool is_playing { get { return false; } }
+ public virtual double volume { get { return 0.0; } set { } }
+ public virtual double mic_volume { get { return 0.0; } set { } }
+
+ public abstract void set_mute (bool mute);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-04 21:42:48 +0000