From 89466547b9547e0786e3919acab787f669798443 Mon Sep 17 00:00:00 2001 From: Ted Gould Date: Mon, 9 Feb 2015 14:05:39 -0600 Subject: Putting an interface in for volume control --- src/volume-control.vala | 917 ------------------------------------------------ 1 file changed, 917 deletions(-) delete mode 100644 src/volume-control.vala (limited to 'src/volume-control.vala') diff --git a/src/volume-control.vala b/src/volume-control.vala deleted file mode 100644 index 62cb2d0..0000000 --- a/src/volume-control.vala +++ /dev/null @@ -1,917 +0,0 @@ -/* - * -*- Mode:Vala; indent-tabs-mode:t; tab-width:4; encoding:utf8 -*- - * Copyright 2013 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 - * the Free Software Foundation; version 3. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see . - * - * Authors: - * Alberto Ruiz - */ - -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 -{ - /* 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 _sink_input_list = new Gee.ArrayList (); - private HashMap _sink_input_hash = new HashMap (); - 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 - } -} -- cgit v1.2.3 From 5c18f8dea27c1d9df3afba0afc40fff9568bc3e5 Mon Sep 17 00:00:00 2001 From: Ted Gould Date: Thu, 12 Feb 2015 15:17:18 -0600 Subject: Forgot to add this file a lot earlier --- src/volume-control.vala | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 src/volume-control.vala (limited to 'src/volume-control.vala') diff --git a/src/volume-control.vala b/src/volume-control.vala new file mode 100644 index 0000000..b06ea56 --- /dev/null +++ b/src/volume-control.vala @@ -0,0 +1,33 @@ +/* + * -*- Mode:Vala; indent-tabs-mode:t; tab-width:4; encoding:utf8 -*- + * 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 + * the Free Software Foundation; version 3. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + * + * Authors: + * Ted Gould + */ + +public abstract class VolumeControl : Object +{ + 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); +} -- cgit v1.2.3