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import GLib from 'gi://GLib';
import { pack_pipelines, unpack_pipelines } from './pipeline_settings.js';
const Signals = imports.signals;
/// An enum non-extensively describing the type of gsettings key.
export const Type = {
B: 'Boolean',
I: 'Integer',
D: 'Double',
S: 'String',
C: 'Color',
AS: 'StringArray',
PIPELINES: 'Pipelines'
};
/// An object to get and manage the gsettings preferences.
///
/// Should be initialized with an array of keys, for example:
///
/// let settings = new Settings([
/// { type: Type.I, name: "panel-corner-radius" },
/// { type: Type.B, name: "debug" }
/// ]);
///
/// Each {type, name} object represents a gsettings key, which must be created
/// in the gschemas.xml file of the extension.
export const Settings = class Settings {
constructor(keys, settings) {
this.settings = settings;
this.keys = keys;
this.keys.forEach(bundle => {
let component = this;
let component_settings = settings;
if (bundle.component !== "general") {
let bundle_component = bundle.component.replaceAll('-', '_');
this[bundle_component] = {
settings: this.settings.get_child(bundle.component)
};
component = this[bundle_component];
component_settings = settings.get_child(bundle.component);
}
bundle.schemas.forEach(key => {
let property_name = this.get_property_name(key.name);
switch (key.type) {
case Type.B:
Object.defineProperty(component, property_name, {
get() {
return component_settings.get_boolean(key.name);
},
set(v) {
component_settings.set_boolean(key.name, v);
}
});
break;
case Type.I:
Object.defineProperty(component, property_name, {
get() {
return component_settings.get_int(key.name);
},
set(v) {
component_settings.set_int(key.name, v);
}
});
break;
case Type.D:
Object.defineProperty(component, property_name, {
get() {
return component_settings.get_double(key.name);
},
set(v) {
component_settings.set_double(key.name, v);
}
});
break;
case Type.S:
Object.defineProperty(component, property_name, {
get() {
return component_settings.get_string(key.name);
},
set(v) {
component_settings.set_string(key.name, v);
}
});
break;
case Type.C:
Object.defineProperty(component, property_name, {
// returns the array [red, blue, green, alpha] with
// values between 0 and 1
get() {
let val = component_settings.get_value(key.name);
return val.deep_unpack();
},
// takes an array [red, blue, green, alpha] with
// values between 0 and 1
set(v) {
let val = new GLib.Variant("(dddd)", v);
component_settings.set_value(key.name, val);
}
});
break;
case Type.AS:
Object.defineProperty(component, property_name, {
get() {
let val = component_settings.get_value(key.name);
return val.deep_unpack();
},
set(v) {
let val = new GLib.Variant("as", v);
component_settings.set_value(key.name, val);
}
});
break;
case Type.PIPELINES:
Object.defineProperty(component, property_name, {
get() {
try {
return unpack_pipelines(component_settings.get_value(key.name));
} catch (error) {
this._warn(`impossible to get pipelines, resetting: ${error.message}`);
component_settings.reset(key.name);
return unpack_pipelines(component_settings.get_value(key.name));
}
},
set(pipelines) {
try {
component_settings.set_value(key.name, pack_pipelines(pipelines));
} catch (error) {
this._warn(`impossible to set pipelines: ${error.message}`);
}
}
});
break;
}
component[property_name + '_reset'] = function () {
return component_settings.reset(key.name);
};
component[property_name + '_signal_ids'] = [];
component[property_name + '_changed'] = function (cb) {
component[property_name + '_signal_ids'].push(
component_settings.connect('changed::' + key.name, cb)
);
};
component[property_name + '_disconnect'] = function () {
component[property_name + '_signal_ids'].forEach(
id => component_settings.disconnect(id)
);
component[property_name + '_signal_ids'] = [];
};
});
});
};
/// Reset the preferences.
reset() {
this.keys.forEach(bundle => {
let component = this;
if (bundle.component !== "general") {
let bundle_component = bundle.component.replaceAll('-', '_');
component = this[bundle_component];
}
bundle.schemas.forEach(key => {
let property_name = this.get_property_name(key.name);
component[property_name + '_reset']();
});
});
this.emit('reset', true);
}
/// From the gschema name, returns the name of the associated property on
/// the Settings object.
get_property_name(name) {
return name.replaceAll('-', '_').toUpperCase();
}
/// Remove all connections managed by the Settings object, i.e. created with
/// `settings.PROPERTY_changed(callback)`.
disconnect_all_settings() {
this.keys.forEach(bundle => {
let component = this;
if (bundle.component !== "general") {
let bundle_component = bundle.component.replaceAll('-', '_');
component = this[bundle_component];
}
bundle.schemas.forEach(key => {
let property_name = this.get_property_name(key.name);
component[property_name + '_disconnect']();
});
});
}
_warn(str) {
console.warn(`[Blur my Shell > settings] ${str}`);
}
};
Signals.addSignalMethods(Settings.prototype);
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