File: soundManager.js

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// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-

const Lang = imports.lang;
const Gio = imports.gi.Gio;
const Main = imports.ui.main;
const Mainloop = imports.mainloop;

const iface =
    "<node> \
        <interface name='org.cinnamon.SettingsDaemon.Sound'> \
            <annotation name='org.freedesktop.DBus.GLib.CSymbol' value='csd_sound_manager'/> \
            <method name='PlaySoundFile'> \
                <arg name='id' direction='in' type='u'/> \
                <arg name='filename' direction='in' type='s'/> \
            </method> \
            <method name='PlaySoundFileVolume'> \
                <arg name='id' direction='in' type='u'/> \
                <arg name='filename' direction='in' type='s'/> \
                <arg name='volume' direction='in' type='s'/> \
            </method> \
            <method name='PlaySound'> \
                <arg name='id' direction='in' type='u'/> \
                <arg name='name' direction='in' type='s'/> \
            </method> \
            <method name='CancelSound'> \
                <arg name='id' direction='in' type='u'/> \
            </method> \
        </interface> \
    </node>";

const proxy = Gio.DBusProxy.makeProxyWrapper(iface);

const PLAY_ONCE_FLAG = 8675309;

function SoundManager() {
    this._init();
}

SoundManager.prototype = {

    _init : function() {
        this.keys = ["switch", "close", "map", "minimize", "maximize", "unmaximize", "tile", "login", "plug", "unplug", "notification"];
        this.desktop_keys = ["volume"];
        this.startup_delay = true;
        this.enabled = {};
        this.file = {};
        this.settings = new Gio.Settings({ schema_id: 'org.cinnamon.sounds' });
        this.desktop_settings = new Gio.Settings({ schema_id: 'org.cinnamon.desktop.sound' });
        this._cacheSettings();                
        this._cacheDesktopSettings();   
        this.settings.connect("changed", Lang.bind(this, this._cacheSettings));
        this.desktop_settings.connect("changed", Lang.bind(this, this._cacheDesktopSettings));
        Mainloop.timeout_add_seconds(10, Lang.bind(this, function() {
            this.startup_delay = false;
        }));

        this.proxy = new proxy(Gio.DBus.session,
                               'org.cinnamon.SettingsDaemon',
                               '/org/cinnamon/SettingsDaemon/Sound');

        /* patch public methods into global to keep backward compatibility */

        global.play_theme_sound = Lang.bind(this, this.playSound);
        global.play_sound_file = Lang.bind(this, this.playSoundFile);
        global.cancel_sound = Lang.bind(this, this.cancelSound);
    },

    _cacheSettings: function() {
        for (var i in this.keys) {
            let key = this.keys[i];
            this.enabled[key] = this.settings.get_boolean(key + "-enabled");
            this.file[key] = this.settings.get_string(key + "-file");
        }        
    },

    _cacheDesktopSettings: function() {
        for (var i in this.desktop_keys) {
            let key = this.desktop_keys[i];
            this.enabled[key] = this.desktop_settings.get_boolean(key + "-sound-enabled");
            this.file[key] = this.desktop_settings.get_string(key + "-sound-file");
        }        
    },

    play: function(sound) {
        if (this.startup_delay)
            return;
        if (this.enabled[sound] && this.file[sound] != "") {
            this.playSoundFile(0, this.file[sound]);
        }
    },

    playVolume: function(sound, volume) {
        if (this.startup_delay)
            return;
        if (this.enabled[sound] && this.file[sound] != "") {
            this.playSoundFileVolume(0, this.file[sound], volume);
        }
    },

    /* We want the login sound synced to the fade-in animation
     * but we don't want it playing every time someone restarts
     * Cinnamon - passing PLAY_ONCE_FLAG will let the sound handler
     * know not to play this more than once for its lifetime (usually
     * for the session.)
     */

    play_once_per_session: function(sound) {
        if (this.enabled[sound] && this.file[sound] != "") {
            this.playSoundFile(PLAY_ONCE_FLAG, this.file[sound]);
        }
    },

    /* Public methods. */

    playSoundFile: function(id, filename) {
        this.proxy.PlaySoundFileRemote(id, filename);
    },

    playSoundFileVolume: function(id, filename, volume) {
        //ignore volume parameter if it is not valid (no mute)
        if (!Number.isFinite(volume) || Number.isNaN(volume) || volume < 0)
            this.playSoundFile(id, filename);
        else
            this.proxy.PlaySoundFileVolumeRemote(id, filename, volume + "");
    },

    playSound: function(id, name) {
        this.proxy.PlaySoundRemote(id, name);
    },

    cancelSound: function(id) {
        this.proxy.CancelSoundRemote(id);
    }
};