103 lines
2.2 KiB
JavaScript
103 lines
2.2 KiB
JavaScript
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// SPDX-FileCopyrightText: GSConnect Developers https://github.com/GSConnect
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//
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// SPDX-License-Identifier: GPL-2.0-or-later
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import * as atspi from './atspi.js';
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import * as clipboard from './clipboard.js';
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import * as contacts from './contacts.js';
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import * as input from './input.js';
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import * as mpris from './mpris.js';
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import * as notification from './notification.js';
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import * as pulseaudio from './pulseaudio.js';
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import * as session from './session.js';
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import * as sound from './sound.js';
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import * as upower from './upower.js';
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import * as ydotool from './ydotool.js';
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export const functionOverrides = {};
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const components = {
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atspi,
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clipboard,
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contacts,
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input,
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mpris,
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notification,
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pulseaudio,
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session,
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sound,
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upower,
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ydotool,
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};
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/*
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* Singleton Tracker
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*/
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const Default = new Map();
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/**
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* Acquire a reference to a component. Calls to this function should always be
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* followed by a call to `release()`.
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*
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* @param {string} name - The module name
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* @return {*} The default instance of a component
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*/
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export function acquire(name) {
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if (functionOverrides.acquire)
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return functionOverrides.acquire(name);
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let component;
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try {
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let info = Default.get(name);
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if (info === undefined) {
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const module = components[name];
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info = {
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instance: new module.default(),
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refcount: 0,
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};
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Default.set(name, info);
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}
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info.refcount++;
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component = info.instance;
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} catch (e) {
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debug(e, name);
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}
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return component;
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}
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/**
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* Release a reference on a component. If the caller was the last reference
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* holder, the component will be freed.
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*
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* @param {string} name - The module name
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* @return {null} A %null value, useful for overriding a traced variable
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*/
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export function release(name) {
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if (functionOverrides.release)
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return functionOverrides.release(name);
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try {
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const info = Default.get(name);
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if (info.refcount === 1) {
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info.instance.destroy();
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Default.delete(name);
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}
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info.refcount--;
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} catch (e) {
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debug(e, name);
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}
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return null;
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}
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