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// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
const Main = imports.ui.main;
const Gdk = imports.gi.Gdk;
const Keymap = Gdk.Keymap.get_default();
const SignalManager = imports.misc.signalManager;
const Gio = imports.gi.Gio;
const CDesktopEnums = imports.gi.CDesktopEnums;
const Flashspot = imports.ui.flashspot;
const CAPS = 0;
const NUM = 1;
function A11yHandler(){
this._init();
}
A11yHandler.prototype = {
_init: function() {
this.a11y_keyboard_settings = new Gio.Settings( { schema_id: "org.cinnamon.desktop.a11y.keyboard" });
this.wm_settings = new Gio.Settings( { schema_id: "org.cinnamon.desktop.wm.preferences" });
this._signalManager = new SignalManager.SignalManager(this);
/* Feature toggles */
this._toggle_keys_osd = false;
this._toggle_keys_sound = false;
this._events_flash = false;
this._events_sound = false
/* Options */
this.state_on_sound = null;
this.state_off_sound = null;
this.event_bell_sound = null;
this.event_flash_type = null;
this.caps = Keymap.get_caps_lock_state();
this.num = Keymap.get_num_lock_state();
this._signalManager.connect(this.a11y_keyboard_settings, "changed", this.on_settings_changed, this);
this._signalManager.connect(this.wm_settings, "changed", this.on_settings_changed, this);
this.on_settings_changed();
},
_set_keymap_listener: function(enabled) {
if (enabled)
this._signalManager.connect(Keymap, "state-changed", this.on_keymap_state_changed, this);
else
this._signalManager.disconnect("state-changed");
},
_set_events_listener: function(enabled) {
if (enabled)
this._signalManager.connect(global.display, "bell", this._on_event_bell, this);
else
this._signalManager.disconnect("bell");
},
on_settings_changed: function(settings, key) {
this.state_on_sound = this.a11y_keyboard_settings.get_string("togglekeys-sound-on");
this.state_off_sound = this.a11y_keyboard_settings.get_string("togglekeys-sound-off");
this._toggle_keys_osd = this.a11y_keyboard_settings.get_boolean("togglekeys-enable-osd");
this._toggle_keys_sound = this.a11y_keyboard_settings.get_boolean("togglekeys-enable-beep");
if (this._toggle_keys_sound || this._toggle_keys_osd) {
this._set_keymap_listener(true);
} else {
this._set_keymap_listener(false);
}
this._events_sound = this.wm_settings.get_boolean("audible-bell");
this._events_flash = this.wm_settings.get_boolean("visual-bell");
this.event_bell_sound = this.wm_settings.get_string("bell-sound");
this.event_flash_type = this.wm_settings.get_enum("visual-bell-type");
if (this._events_sound || this._events_flash) {
this._set_events_listener(true);
} else {
this._set_events_listener(false);
}
},
on_keymap_state_changed: function(keymap) {
let new_caps = Keymap.get_caps_lock_state();
let new_num = Keymap.get_num_lock_state();
if (this._toggle_keys_osd) {
if (new_caps != this.caps) {
this.popup_state_osd(CAPS, new_caps);
}
if (new_num != this.num) {
this.popup_state_osd(NUM, new_num);
}
}
if (this._toggle_keys_sound) {
if (new_caps != this.caps) {
this.play_state_sound(CAPS, new_caps);
}
if (new_num != this.num) {
this.play_state_sound(NUM, new_num);
}
}
this.caps = new_caps;
this.num = new_num;
},
_on_event_bell: function(display, bell_window) {
if (this._events_sound) {
this.ring_bell();
}
if (this._events_flash) {
switch (this.event_flash_type) {
case CDesktopEnums.VisualBellType.FULLSCREEN_FLASH:
this.flash_window(display, null);
case CDesktopEnums.VisualBellType.FRAME_FLASH:
this.flash_window(display, bell_window);
}
}
},
popup_state_osd: function(key, state) {
let icon = null;
switch (key) {
case CAPS:
icon = Gio.Icon.new_for_string(state ? "caps-lock-symbolic" : "caps-lock-off-symbolic")
break;
case NUM:
icon = Gio.Icon.new_for_string(state ? "num-lock-symbolic" : "num-lock-off-symbolic")
break;
}
Main.osdWindowManager.show(-1, icon, undefined);
},
play_state_sound: function(key, state) {
switch (key) {
/* Do we need different sounds for different keys? Seems excessive... */
case CAPS:
case NUM:
Main.soundManager.playSoundFile(0, state ? this.state_on_sound : this.state_off_sound);
break;
}
},
rect_off_screen: function(display, rect) {
let [sw, sh] = global.screen.get_size();
return (rect.x > sw && rect.y > sh);
},
flash_window: function(display, bell_window) {
if (bell_window) {
let rect = bell_window.get_outer_rect();
if (this.rect_off_screen(display, rect)) {
let fw = display.get_focus_window();
if (fw)
rect = fw.get_outer_rect();
}
if (rect) {
this.fire_flash(rect);
return;
}
}
this.fire_flash(Main.layoutManager.focusMonitor);
},
fire_flash: function(rect) {
let flashspot = new Flashspot.Flashspot({x : rect.x,
y : rect.y,
width : rect.width,
height : rect.height,
time : .05 });
flashspot.fire()
},
ring_bell: function() {
Main.soundManager.playSoundFile(0, this.event_bell_sound);
}
}
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