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