diff options
-rw-r--r-- | data/com.canonical.indicator.sound.gschema.xml | 68 | ||||
-rw-r--r-- | src/service.vala | 108 | ||||
-rw-r--r-- | src/volume-control-pulse.vala | 173 | ||||
-rw-r--r-- | src/volume-control.vala | 13 | ||||
-rw-r--r-- | tests/volume-control-mock.vala | 4 |
5 files changed, 249 insertions, 117 deletions
diff --git a/data/com.canonical.indicator.sound.gschema.xml b/data/com.canonical.indicator.sound.gschema.xml index ff4816e..c0e4dc1 100644 --- a/data/com.canonical.indicator.sound.gschema.xml +++ b/data/com.canonical.indicator.sound.gschema.xml @@ -42,41 +42,65 @@ <!-- VOLUME --> - <key name="high-volume-warning-enabled" type="b"> + <key name="warning-volume-enabled" type="b"> <default>true</default> - <summary>Whether or not to show the a volume warning.</summary> + <summary>Whether or not to show high volume warnings.</summary> <description> - Whether or not to show the a volume warning when the volume exceeds some level while headphones are plugged in. + If enabled on a device, a confirmation dialog will be presented to the user if + (a) something is plugged into the headphone jack (ie, no warnings for speaker volumes) AND + (b) media is playing (ie, no warnings for ringtone volumes) AND + (c) the user attempts to set the volume higher than warning-volume-dB AND + (d) the user has not indicated approval in the last warning-volume-approval-ttl seconds. </description> </key> - <key name="high-volume-acknowledgment-ttl" type="i"> - <default>1200</default> - <summary>How often, in hours, a user's high volume confirmation should be remembered.</summary> + <key name="warning-volume-confirmation-ttl" type="i"> + <default>72000</default> + <summary>How many seconds a user's warning-volume approval should be remembered.</summary> <description> - After a user confirms that they want to listen at a higher volume, subsequent volume - changes do not need to re-trigger a warning until this interval has passed. - For example, EU standard EN 60950-1/Al2 cites "The acknowledgement does not need to - be repeated more than once every 20 h of cumulative listening time." + How long to remember a user's approval of the confirmation dialog discussed in the + description of 'warning-volume-enabled'. + + The default value (72,000 seconds) corresponds to the 20 hours suggested by + EU standard EN 60950-1/Al2: “The acknowledgement does not need to be repeated + more than once every 20 h of cumulative listening time.” </description> </key> - <key name="high-volume-level" type="d"> - <default>0.75</default> - <summary>Volume level that triggers a high volume warning. [0.0..1.0]</summary><!-- FIXME: decibels would be better --> + <key name="warning-volume-decibels" type="d"> + <default>-8.0</default> + <summary>Volume level that triggers a high volume warning.</summary> <description> - When high volume warnings are enabled, a warning will be shown when - the volume level is raised past this level. + Volume level that triggers a high volume warning. + See warning-volume-enabled for details. </description> </key> -<!-- FIXME: not used yet, needs to be worked into the service.max_volume property wrt allow_amplified_volume . - Also, decibels would be better here - <key name="maximum-volume" type="d"> - <default>1.0</default> - <summary>Maximum volume level, [0.0..1.0]</summary> + + <key name="normal-volume-decibels" type="d"> + <default>0</default> + <summary>Normal output volume.</summary> <description> - Maximum volume level, [0.0..1.0] + The maximum volume when com.ubuntu.sound's 'allow-amplified-volume' setting is disabled. + + To conform with EU standard EN 60950-1/Al2, this value should never be + set to a dB that causes headphone sound output to exceed 100 dBA, nor + electric output to exceed 150 mV. + + The default value (0) corresponds to PulseAudio's PA_VOLUME_NORM. + </description> + </key> + + <key name="amplified-volume-decibels" type="d"> + <default>11</default> + <summary>Output volume to use when com.ubuntu.sound's 'allow-amplified-volume' setting is enabled.</summary> + <description> + The maximum volume when com.ubuntu.sound's 'allow-amplified-volume' setting is enabled. + + To conform with EU standard EN 60950-1/Al2, this value should never be + set to a dB that causes headphone sound output to exceed 100 dBA, nor + electric output to exceed 150 mV. + + The default value (11) corresponds to PulseAudio's PA_VOLUME_UI_MAX. </description> </key> ---> </schema> </schemalist> diff --git a/src/service.vala b/src/service.vala index 73a331a..c7341f2 100644 --- a/src/service.vala +++ b/src/service.vala @@ -34,12 +34,9 @@ public class IndicatorSound.Service: Object { warn_notification.set_hint ("x-canonical-snap-decisions", "true"); warn_notification.set_hint ("x-canonical-private-affirmative-tint", "true"); warn_notification.add_action ("ok", _("OK"), (n, a) => { - this.loudness_approved_timestamp = GLib.get_monotonic_time (); - }); - warn_notification.add_action ("cancel", _("Cancel"), (n, a) => { - /* user rejected loud volume; re-clamp to just below the warning level */ - set_clamped_volume (settings.get_double("high-volume-level") * 0.9, VolumeControl.VolumeReasons.USER_KEYPRESS); + this.volume_control.approve_high_volume (); }); + warn_notification.add_action ("cancel", _("Cancel"), (n, a) => {}); BusWatcher.watch_namespace (GLib.BusType.SESSION, "org.freedesktop.Notifications", @@ -47,7 +44,6 @@ public class IndicatorSound.Service: Object { () => { debug("Notifications name vanshed"); notify_server_caps_checked = false; }); this.settings = new Settings ("com.canonical.indicator.sound"); - this.sharedsettings = new Settings ("com.ubuntu.sound"); this.settings.bind ("visible", this, "visible", SettingsBindFlags.GET); this.notify["visible"].connect ( () => this.update_root_icon () ); @@ -96,8 +92,6 @@ public class IndicatorSound.Service: Object { this.sync_preferred_players (); }); - sharedsettings.bind ("allow-amplified-volume", this, "allow-amplified-volume", SettingsBindFlags.GET); - /* Hide the notification when the menu is shown */ var shown_action = actions.lookup_action ("indicator-shown") as SimpleAction; shown_action.change_state.connect ((state) => { @@ -174,28 +168,6 @@ public class IndicatorSound.Service: Object { public bool visible { get; set; } - public bool allow_amplified_volume { - get { - return this.max_volume > 1.0; - } - - set { - if (this.allow_amplified_volume == value) - return; - - if (value) { - /* from pulse/volume.h: #define PA_VOLUME_UI_MAX (pa_sw_volume_from_dB(+11.0)) */ - this.max_volume = (double)PulseAudio.Volume.sw_from_dB(11.0) / PulseAudio.Volume.NORM; - } - else { - this.max_volume = 1.0; - } - - /* Normalize volume, because the volume action's state is [0.0, 1.0], see create_volume_action() */ - this.actions.change_action_state ("volume", this.volume_control.volume.volume / this.max_volume); - } - } - const ActionEntry[] action_entries = { { "root", null, null, "@a{sv} {}", null }, { "scroll", activate_scroll_action, "i", null, null }, @@ -207,7 +179,6 @@ public class IndicatorSound.Service: Object { SimpleActionGroup actions; HashTable<string, SoundMenu> menus; Settings settings; - Settings sharedsettings; VolumeControl volume_control; MediaPlayerList players; uint player_action_update_id; @@ -219,24 +190,12 @@ public class IndicatorSound.Service: Object { private Notify.Notification info_notification; private Notify.Notification warn_notification; - /* Maximum volume as a scaling factor between the volume action's state and the value in - * this.volume_control. See create_volume_action(). - */ - double max_volume = 1.0; - const double volume_step_percentage = 0.06; - void set_clamped_volume (double unclamped, VolumeControl.VolumeReasons reason) { - var vol = new VolumeControl.Volume(); - vol.volume = unclamped.clamp (0.0, this.max_volume); - vol.reason = reason; - this.volume_control.volume = vol; - } - void activate_scroll_action (SimpleAction action, Variant? param) { int delta = param.get_int32(); /* positive for up, negative for down */ - double v = this.volume_control.volume.volume + volume_step_percentage * delta; - set_clamped_volume (v, VolumeControl.VolumeReasons.USER_KEYPRESS); + double v = volume_control.volume.volume + volume_step_percentage * delta; + volume_control.set_volume_clamp (v, VolumeControl.VolumeReasons.USER_KEYPRESS); } void activate_desktop_settings (SimpleAction action, Variant? param) { @@ -312,15 +271,6 @@ public class IndicatorSound.Service: Object { private bool notify_server_supports_actions = false; private bool notify_server_supports_sync = false; private bool block_info_notifications = false; - private int64 loudness_approved_timestamp = 0; - - private bool user_recently_approved_loudness() { - int64 ttl_sec = this.settings.get_int("high-volume-acknowledgment-ttl"); - int64 ttl_usec = ttl_sec * 1000000; - int64 now = GLib.get_monotonic_time(); - return (this.loudness_approved_timestamp != 0) - && (this.loudness_approved_timestamp + ttl_usec >= now); - } void update_notification () { @@ -334,13 +284,14 @@ public class IndicatorSound.Service: Object { var loud = volume_control.high_volume; var warn = loud && this.notify_server_supports_actions - && this.settings.get_boolean("high-volume-warning-enabled") - && !this.user_recently_approved_loudness(); + && !this.volume_control.high_volume_approved; if (warn) { close_notification(info_notification); + message("showing warning"); show_notification(warn_notification); } else { + message("closing warning"); close_notification(warn_notification); if (notify_server_supports_sync && !block_info_notifications) { @@ -371,7 +322,7 @@ public class IndicatorSound.Service: Object { n.set_hint ("x-canonical-non-shaped-icon", "true"); n.set_hint ("x-canonical-private-synchronous", "true"); n.set_hint ("x-canonical-value-bar-tint", loud ? "true" : "false"); - n.set_hint ("value", (int32)Math.round(volume_control.volume.volume / this.max_volume * 100.0)); + n.set_hint ("value", (int32)Math.round(get_volume_percent() * 100.0)); show_notification(n); } } @@ -453,34 +404,41 @@ public class IndicatorSound.Service: Object { return mute_action; } - SimpleAction volume_action; - Action create_volume_action () { - /* The action's state is between be in [0.0, 1.0] instead of [0.0, - * max_volume], so that we don't need to update the slider menu item - * every time allow-amplified-volume is changed. Convert between the - * two here, so that we always pass the full range into - * volume_control.set_volume(). - */ + /* return the current volume in the range of [0.0, 1.0] */ + private double get_volume_percent() { + return volume_control.volume.volume / this.volume_control.max_volume; + } - double volume = this.volume_control.volume.volume / this.max_volume; + /* volume control's range can vary depending on its max_volume property, + * but the action always needs to be in [0.0, 1.0]... */ + private Variant create_volume_action_state() { + return new Variant.double (get_volume_percent()); + } - volume_action = new SimpleAction.stateful ("volume", VariantType.INT32, new Variant.double (volume)); + private void update_volume_action_state() { + volume_action.set_state(create_volume_action_state()); + } + + + SimpleAction volume_action; + Action create_volume_action () { + volume_action = new SimpleAction.stateful ("volume", VariantType.INT32, create_volume_action_state()); volume_action.change_state.connect ( (action, val) => { - double v = val.get_double () * this.max_volume; - set_clamped_volume (v, VolumeControl.VolumeReasons.USER_KEYPRESS); + double v = val.get_double () * this.volume_control.max_volume; + volume_control.set_volume_clamp (v, VolumeControl.VolumeReasons.USER_KEYPRESS); }); /* activating this action changes the volume by the amount given in the parameter */ - volume_action.activate.connect ( (action, param) => { - int delta = param.get_int32 (); - double v = volume_control.volume.volume + volume_step_percentage * delta; - set_clamped_volume (v, VolumeControl.VolumeReasons.USER_KEYPRESS); + volume_action.activate.connect ((action, param) => activate_scroll_action); + + this.volume_control.notify["max-volume"].connect(() => { + message("max-volume changed to %f", volume_control.max_volume); + update_volume_action_state(); }); this.volume_control.notify["volume"].connect (() => { - /* Normalize volume, because the volume action's state is [0.0, 1.0], see create_volume_action() */ - volume_action.set_state (new Variant.double (this.volume_control.volume.volume / this.max_volume)); + update_volume_action_state(); this.update_root_icon (); diff --git a/src/volume-control-pulse.vala b/src/volume-control-pulse.vala index d3e93c5..a2605c6 100644 --- a/src/volume-control-pulse.vala +++ b/src/volume-control-pulse.vala @@ -45,6 +45,7 @@ public class VolumeControlPulse : VolumeControl private VolumeControl.Volume _volume = new VolumeControl.Volume(); private double _mic_volume = 0.0; private Settings _settings = new Settings ("com.canonical.indicator.sound"); + private Settings _shared_settings = new Settings ("com.ubuntu.sound"); /* Used by the pulseaudio stream restore extension */ private DBusConnection _pconn; @@ -93,20 +94,6 @@ public class VolumeControlPulse : VolumeControl /** true when a microphone is active **/ public override bool active_mic { get; private set; default = false; } - /** true when high volume warnings should be shown */ - public override bool high_volume { - get { - if (!_active_port_headphone) { - return false; - } - if (stream != "multimedia") { - return false; - } - var high_volume_level = this._settings.get_double("high-volume-level"); - return this._volume.volume > high_volume_level; - } - } - public VolumeControlPulse () { _volume.volume = 0.0; @@ -118,6 +105,10 @@ public class VolumeControlPulse : VolumeControl _mute_cancellable = new Cancellable (); _volume_cancellable = new Cancellable (); + init_max_volume(); + init_high_volume(); + init_high_volume_approved(); + setup_accountsservice.begin (); this.reconnect_to_pulse (); @@ -131,6 +122,7 @@ public class VolumeControlPulse : VolumeControl } stop_local_volume_timer(); stop_account_service_volume_timer(); + stop_high_volume_approved_timer(); } /* PulseAudio logic*/ @@ -624,10 +616,19 @@ public class VolumeControlPulse : VolumeControl return _volume; } set { + + if ((value.reason == VolumeReasons.USER_KEYPRESS) + && !_high_volume_approved + && calculate_high_volume_from_volume(value.volume)) + { + var clamped = value.volume.clamp(0, _warning_volume_norms); + message("User is trying to raise volume past warning... clamping from %f down to %f", value.volume, clamped); + value.volume = clamped; + } + var volume_changed = (value.volume != _volume.volume); debug("Setting volume to %f for profile %d because %d", value.volume, _active_sink_input, value.reason); - var old_high_volume = this.high_volume; _volume = value; /* Make sure we're connected to Pulse and pulse didn't give us the change */ @@ -639,15 +640,153 @@ public class VolumeControlPulse : VolumeControl else context.get_server_info (server_info_cb_for_set_volume); - if (this.high_volume != old_high_volume) - this.notify_property("high-volume"); if (volume.reason != VolumeControl.VolumeReasons.ACCOUNTS_SERVICE_SET && volume_changed) { start_local_volume_timer(); } + + update_high_volume(); + } + } + + /** MAX VOLUME PROPERTY **/ + + private void init_max_volume() { + message("woo"); + _settings.changed["normal-volume-decibels"].connect(() => update_max_volume()); + _settings.changed["amplified-volume-decibels"].connect(() => update_max_volume()); + _shared_settings.changed["allow-amplified-volume"].connect(() => update_max_volume()); + update_max_volume(); + } + private void update_max_volume () { + var new_max_volume = calculate_max_volume(); + message ("old_max_volume %f new_max_volume %f", max_volume, new_max_volume); + if (max_volume != new_max_volume) { + message("changing max_volume from %f to %f", this.max_volume, new_max_volume); + max_volume = calculate_max_volume(); + } + } + private double calculate_max_volume () { + string decibel_key; + if (_shared_settings.get_boolean("allow-amplified-volume")) + decibel_key = "amplified-volume-decibels"; + else + decibel_key = "normal-volume-decibels"; + + var volume_dB = _settings.get_double(decibel_key); + var volume_sw = PulseAudio.Volume.sw_from_dB (volume_dB); + return volume_to_double (volume_sw); + } + + /** HIGH VOLUME PROPERTY **/ + + private bool _warning_volume_enabled; + private double _warning_volume_norms; + private bool _high_volume = false; + public override bool high_volume { + get { return this._high_volume; } + private set { this._high_volume = value; } + } + private void init_high_volume() { + _settings.changed["warning-volume-enabled"].connect(() => update_high_volume_cache()); + _settings.changed["warning-volume-decibels"].connect(() => update_high_volume_cache()); + update_high_volume_cache(); + } + private void update_high_volume_cache() { + _warning_volume_enabled = _settings.get_boolean("warning-volume-enabled"); + + var volume_dB = _settings.get_double ("warning-volume-decibels"); + var volume_sw = PulseAudio.Volume.sw_from_dB (volume_dB); + var volume_norms = volume_to_double (volume_sw); + _warning_volume_norms = volume_norms; + + message("updating high volume cache... enabled %d dB %f sw %lu norm %f", (int)_warning_volume_enabled, volume_dB, volume_sw, volume_norms); + update_high_volume(); + } + private void update_high_volume() { + var new_high_volume = calculate_high_volume(); + if (high_volume != new_high_volume) { + message("changing high_volume from %d to %d", (int)high_volume, (int)new_high_volume); + high_volume = new_high_volume; + } + } + private bool calculate_high_volume() { + return calculate_high_volume_from_volume(_volume.volume); + } + private bool calculate_high_volume_from_volume(double volume) { + message ("headphones %d warning enabled %d (vol %f > loud %f) multimedia %d", (int)_active_port_headphone, (int)_warning_volume_enabled, (double)volume, (double)_warning_volume_norms, (int)(stream == "multimedia")); + return _active_port_headphone + && _warning_volume_enabled + && volume >= _warning_volume_norms + && (stream == "multimedia"); + } + + /** HIGH VOLUME APPROVED PROPERTY **/ + + private bool _high_volume_approved = false; + private int64 _high_volume_approved_at = 0; + private int64 _high_volume_approved_ttl_usec = 0; + private uint _high_volume_approved_timer = 0; + public override bool high_volume_approved { + get { return this._high_volume_approved; } + private set { this._high_volume_approved = value; } + } + private void init_high_volume_approved() { + _settings.changed["warning-volume-confirmation-ttl"].connect(() => update_high_volume_approved_cache()); + update_high_volume_approved_cache(); + } + private void update_high_volume_approved_cache() { + _high_volume_approved_ttl_usec = _settings.get_int("warning-volume-confirmation-ttl"); + _high_volume_approved_ttl_usec *= 1000000; + + update_high_volume_approved(); + update_high_volume_approved_timer(); + } + private void update_high_volume_approved_timer() { + stop_high_volume_approved_timer(); + if (_high_volume_approved_at != 0) { + int64 expires_at = _high_volume_approved_at + _high_volume_approved_ttl_usec; + int64 now = GLib.get_monotonic_time(); + if (expires_at > now) { + var seconds_left = (now - expires_at) / 1000000; + _high_volume_approved_timer = Timeout.add_seconds((uint)seconds_left, on_high_volume_timer); + } + } + } + private void stop_high_volume_approved_timer() { + if (_high_volume_approved_timer != 0) { + Source.remove (_high_volume_approved_timer); + _high_volume_approved_timer = 0; + } + } + private bool on_high_volume_timer() { + _high_volume_approved_timer = 0; + update_high_volume_approved(); + return false; /* Source.REMOVE */ + } + private void update_high_volume_approved() { + var new_high_volume_approved = calculate_high_volume_approved(); + if (high_volume_approved != new_high_volume_approved) { + message("changing high_volume_approved from %d to %d", (int)high_volume_approved, (int)new_high_volume_approved); + high_volume_approved = new_high_volume_approved; } } + private bool calculate_high_volume_approved() { + int64 now = GLib.get_monotonic_time(); + var foo = (_high_volume_approved_at != 0) + && (_high_volume_approved_at + _high_volume_approved_ttl_usec >= now); + message("approved: %d", (int)foo); + return foo; + } + public override void approve_high_volume() { + _high_volume_approved_at = GLib.get_monotonic_time(); + update_high_volume_approved_timer(); + update_high_volume_approved(); + } + + + /** MIC VOLUME PROPERTY */ public override double mic_volume { get { diff --git a/src/volume-control.vala b/src/volume-control.vala index 3f1c799..36d7083 100644 --- a/src/volume-control.vala +++ b/src/volume-control.vala @@ -36,12 +36,23 @@ 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 high_volume { get { return false; } protected set { } } public virtual bool mute { get { return false; } } public virtual bool is_playing { get { return false; } } private Volume _volume; public virtual Volume volume { get { return _volume; } set { } } public virtual double mic_volume { get { return 0.0; } set { } } + public virtual double max_volume { get; set; } + + public virtual bool high_volume_approved { get { return false; } protected set { } } + public virtual void approve_high_volume() { } public abstract void set_mute (bool mute); + + public void set_volume_clamp (double unclamped, VolumeControl.VolumeReasons reason) { + var v = new VolumeControl.Volume(); + v.volume = unclamped.clamp (0.0, this.max_volume); + v.reason = reason; + this.volume = v; + } } diff --git a/tests/volume-control-mock.vala b/tests/volume-control-mock.vala index 4c96518..5902037 100644 --- a/tests/volume-control-mock.vala +++ b/tests/volume-control-mock.vala @@ -24,8 +24,8 @@ public class VolumeControlMock : VolumeControl public override string stream { get { return mock_stream; } } public override bool ready { get; set; } public override bool active_mic { get; set; } - public bool mock_high_volume { get; set; } - public override bool high_volume { get { return mock_high_volume; } } + public bool mock_high_volume { get { return high_volume; } set { high_volume = value; } } + public override bool high_volume { get; private set; } public bool mock_mute { get; set; } public override bool mute { get { return mock_mute; } } public bool mock_is_playing { get; set; } |