gconf-settings/skel/.local/share/gnome-shell/extensions/unitehardpixel.eu/handlers.js

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2019-10-26 20:50:28 +00:00
const Unite = imports.misc.extensionUtils.getCurrentExtension()
const Convenience = Unite.imports.convenience
var SignalsHandler = class SignalsHandler {
constructor(context) {
this._init(context)
}
_init(context) {
this._signals = {}
this._context = context
}
_getCallbackFunction(callback) {
if (typeof callback == 'string')
callback = this._context[callback] || this._context[`_${callback}`]
return callback
}
_connectHandler(object, name, callbackObj) {
let callback = this._getCallbackFunction(callbackObj)
let signalId = object.connect(name, callback.bind(this._context))
return { object: object, signalId: signalId }
}
_addHandler(object, name, callback) {
let signalKey = `${object}[${name}#${callback}]`
if (!this._signals[signalKey])
this._signals[signalKey] = this._connectHandler(object, name, callback)
return signalKey
}
connect(object, name, callback) {
return this._addHandler(object, name, callback)
}
disconnect(signalKey) {
let signalData = this._signals[signalKey]
if (!signalData) return
signalData.object.disconnect(signalData.signalId)
delete this._signals[signalKey]
}
disconnectMany(signalKeys) {
signalKeys.forEach(signalKey => { this.disconnect(signalKey) })
}
disconnectAll() {
this.disconnectMany(Object.keys(this._signals))
}
}
var SettingsHandler = class SettingsHandler extends SignalsHandler {
_init(context) {
this._enabler = null
this._signals = {}
this._context = context
this._settings = Convenience.getSettings()
this._wmPrefs = Convenience.getPreferences()
}
_getSettingObject(settingKey) {
if (this._settings.exists(settingKey))
return this._settings
if (this._wmPrefs.exists(settingKey))
return this._wmPrefs
}
connect(name, callback) {
let object = this._getSettingObject(name)
return this._addHandler(object, `changed::${name}`, callback)
}
enable(name, callback) {
if (this._enabler) return
let signalObj = this._settings
this._enabler = this._connectHandler(signalObj, `changed::${name}`, callback)
}
disable() {
if (!this._enabler) return
this._settings.disconnect(this._enabler.signalId)
this._enabler = null
}
get(settingKey) {
if (settingKey == null) return
let object = this._getSettingObject(settingKey)
if (object) return object.getSetting(settingKey)
}
}