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-rw-r--r--src/service.vala55
1 files changed, 48 insertions, 7 deletions
diff --git a/src/service.vala b/src/service.vala
index 25f3011..d329e7b 100644
--- a/src/service.vala
+++ b/src/service.vala
@@ -17,9 +17,10 @@
* Lars Uebernickel <lars.uebernickel@canonical.com>
*/
-public class IndicatorSound.Service {
+public class IndicatorSound.Service: Object {
public Service () {
this.settings = new Settings ("com.canonical.indicator.sound");
+ this.sharedsettings = new Settings ("com.ubuntu.sound");
this.volume_control = new VolumeControl ();
@@ -58,6 +59,8 @@ public class IndicatorSound.Service {
this.notification.set_hint_string ("x-canonical-private-synchronous", "indicator-sound");
}
}
+
+ sharedsettings.bind ("allow-amplified-volume", this, "allow-amplified-volume", SettingsBindFlags.GET);
}
public int run () {
@@ -75,6 +78,25 @@ public class IndicatorSound.Service {
return 0;
}
+ public bool allow_amplified_volume {
+ get {
+ return this.max_volume > 1.0;
+ }
+
+ set {
+ 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.get_volume () / this.max_volume);
+ }
+ }
+
const ActionEntry[] action_entries = {
{ "root", null, null, "@a{sv} {}", null },
{ "scroll", activate_scroll_action, "i", null, null },
@@ -86,6 +108,7 @@ public class IndicatorSound.Service {
SimpleActionGroup actions;
HashTable<string, SoundMenu> menus;
Settings settings;
+ Settings sharedsettings;
VolumeControl volume_control;
MediaPlayerList players;
uint player_action_update_id;
@@ -93,13 +116,18 @@ public class IndicatorSound.Service {
bool syncing_preferred_players = false;
AccountsServiceUser? accounts_service = null;
+ /* 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 activate_scroll_action (SimpleAction action, Variant? param) {
int delta = param.get_int32(); /* positive for up, negative for down */
double v = this.volume_control.get_volume () + volume_step_percentage * delta;
- this.volume_control.set_volume (v.clamp (0.0, 1.0));
+ this.volume_control.set_volume (v.clamp (0.0, this.max_volume));
if (this.notification != null) {
string icon;
@@ -206,22 +234,35 @@ public class IndicatorSound.Service {
void volume_changed (double volume) {
var volume_action = this.actions.lookup_action ("volume") as SimpleAction;
- volume_action.set_state (new Variant.double (volume));
+
+ /* Normalize volume, because the volume action's state is [0.0, 1.0], see create_volume_action() */
+ volume_action.set_state (new Variant.double (volume / this.max_volume));
this.update_root_icon ();
}
Action create_volume_action () {
- var volume_action = new SimpleAction.stateful ("volume", VariantType.INT32, new Variant.double (this.volume_control.get_volume ()));
+ /* 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().
+ */
+
+ double volume = this.volume_control.get_volume () / this.max_volume;
+
+ var volume_action = new SimpleAction.stateful ("volume", VariantType.INT32, new Variant.double (volume));
volume_action.change_state.connect ( (action, val) => {
- volume_control.set_volume (val.get_double ());
+ double v = val.get_double () * this.max_volume;
+ volume_control.set_volume (v.clamp (0.0, this.max_volume));
});
/* activating this action changes the volume by the amount given in the parameter */
volume_action.activate.connect ( (action, param) => {
- double v = volume_control.get_volume () + volume_step_percentage * param.get_int32 ();
- volume_control.set_volume (v.clamp (0.0, 1.0));
+ int delta = param.get_int32 ();
+ double v = volume_control.get_volume () + volume_step_percentage * delta;
+ volume_control.set_volume (v.clamp (0.0, this.max_volume));
});
this.volume_control.volume_changed.connect (volume_changed);