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/*****************************************************************************
# #
# KVMD - The main PiKVM daemon. #
# #
# Copyright (C) 2018-2023 Maxim Devaev <[email protected]> #
# #
# This program is free software: you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation, either version 3 of the License, or #
# (at your option) any later version. #
# #
# This program is distributed in the hope that it will be useful, #
# but WITHOUT ANY WARRANTY; without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
# GNU General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License #
# along with this program. If not, see <https://www.gnu.org/licenses/>. #
# #
*****************************************************************************/
import {tools, $, $$$} from "../tools.js";
import {Keypad} from "../keypad.js";
export function Keyboard(__recordWsEvent) {
var self = this;
/************************************************************************/
var __ws = null;
var __online = true;
var __keypad = null;
var __init__ = function() {
__keypad = new Keypad("div#keyboard-window", __sendKey, true);
$("hid-keyboard-led").title = "Keyboard free";
$("keyboard-window").onkeydown = (event) => __keyboardHandler(event, true);
$("keyboard-window").onkeyup = (event) => __keyboardHandler(event, false);
$("keyboard-window").onfocus = __updateOnlineLeds;
$("keyboard-window").onblur = __updateOnlineLeds;
$("stream-window").onkeydown = (event) => __keyboardHandler(event, true);
$("stream-window").onkeyup = (event) => __keyboardHandler(event, false);
$("stream-window").onfocus = __updateOnlineLeds;
$("stream-window").onblur = __updateOnlineLeds;
window.addEventListener("focusin", __updateOnlineLeds);
window.addEventListener("focusout", __updateOnlineLeds);
tools.storage.bindSimpleSwitch($("hid-keyboard-swap-cc-switch"), "hid.keyboard.swap_cc", false);
};
/************************************************************************/
self.setSocket = function(ws) {
if (ws !== __ws) {
self.releaseAll();
__ws = ws;
}
__updateOnlineLeds();
};
self.setState = function(state, hid_online, hid_busy) {
if (!hid_online) {
__online = null;
} else {
__online = (state.online && !hid_busy);
}
__updateOnlineLeds();
for (let led of ["caps", "scroll", "num"]) {
for (let el of $$$(`.hid-keyboard-${led}-led`)) {
if (state.leds[led]) {
el.classList.add("led-green");
el.classList.remove("led-gray");
} else {
el.classList.add("led-gray");
el.classList.remove("led-green");
}
}
}
};
self.releaseAll = function() {
__keypad.releaseAll();
};
self.emit = function(code, state) {
__keypad.emitByCode(code, state);
};
var __updateOnlineLeds = function() {
let is_captured = (
$("stream-window").classList.contains("window-active")
|| $("keyboard-window").classList.contains("window-active")
);
let led = "led-gray";
let title = "Keyboard free";
if (__ws) {
if (__online === null) {
led = "led-red";
title = (is_captured ? "Keyboard captured, HID offline" : "Keyboard free, HID offline");
} else if (__online) {
if (is_captured) {
led = "led-green";
title = "Keyboard captured";
}
} else {
led = "led-yellow";
title = (is_captured ? "Keyboard captured, inactive/busy" : "Keyboard free, inactive/busy");
}
} else {
if (is_captured) {
title = "Keyboard captured, PiKVM offline";
}
}
$("hid-keyboard-led").className = led;
$("hid-keyboard-led").title = title;
};
var __keyboardHandler = function(event, state) {
event.preventDefault();
__keypad.emitByKeyEvent(event, state);
};
var __sendKey = function(code, state) {
tools.debug("Keyboard: key", (state ? "pressed:" : "released:"), code);
if ($("hid-keyboard-swap-cc-switch").checked) {
if (code === "ControlLeft") {
code = "CapsLock";
} else if (code === "CapsLock") {
code = "ControlLeft";
}
}
let event = {
"event_type": "key",
"event": {"key": code, "state": state},
};
if (__ws && !$("hid-mute-switch").checked) {
__ws.sendHidEvent(event);
}
__recordWsEvent(event);
};
__init__();
}
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