mirror of
https://github.com/mofeng-git/One-KVM.git
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138 lines
4.4 KiB
JavaScript
138 lines
4.4 KiB
JavaScript
/*****************************************************************************
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# #
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# KVMD - The main Pi-KVM daemon. #
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# #
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# Copyright (C) 2018 Maxim Devaev <mdevaev@gmail.com> #
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# #
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# This program is free software: you can redistribute it and/or modify #
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# it under the terms of the GNU General Public License as published by #
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# the Free Software Foundation, either version 3 of the License, or #
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# (at your option) any later version. #
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# #
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# This program is distributed in the hope that it will be useful, #
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# but WITHOUT ANY WARRANTY; without even the implied warranty of #
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
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# GNU General Public License for more details. #
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# #
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# You should have received a copy of the GNU General Public License #
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# along with this program. If not, see <https://www.gnu.org/licenses/>. #
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# #
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*****************************************************************************/
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import {tools, $} from "../tools.js";
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import {Keypad} from "../keypad.js";
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export function Keyboard() {
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var self = this;
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/************************************************************************/
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var __ws = null;
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var __online = true;
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var __keypad = null;
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var __use_release_hook = false;
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var __init__ = function() {
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__keypad = new Keypad("div#keyboard-window", __sendKey);
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$("hid-keyboard-led").title = "Keyboard free";
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$("keyboard-window").onkeydown = (event) => __keyboardHandler(event, true);
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$("keyboard-window").onkeyup = (event) => __keyboardHandler(event, false);
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$("keyboard-window").onfocus = __updateLeds;
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$("keyboard-window").onblur = __updateLeds;
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$("stream-window").onkeydown = (event) => __keyboardHandler(event, true);
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$("stream-window").onkeyup = (event) => __keyboardHandler(event, false);
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$("stream-window").onfocus = __updateLeds;
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$("stream-window").onblur = __updateLeds;
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window.addEventListener("focusin", __updateLeds);
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window.addEventListener("focusout", __updateLeds);
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if (tools.browser.is_mac) {
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// https://bugs.chromium.org/p/chromium/issues/detail?id=28089
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// https://bugzilla.mozilla.org/show_bug.cgi?id=1299553
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tools.info("Keyboard: enabled Mac-CMD-Hook");
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__use_release_hook = true;
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}
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};
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/************************************************************************/
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self.setSocket = function(ws) {
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if (ws !== __ws) {
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self.releaseAll();
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__ws = ws;
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}
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__updateLeds();
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};
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self.setState = function(state) {
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__online = state.online;
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__updateLeds();
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};
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self.releaseAll = function() {
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__keypad.releaseAll(__use_release_hook);
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};
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self.emit = function(code, state) {
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__keyboardHandler({code: code}, state);
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};
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var __updateLeds = function() {
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let is_captured = (
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$("stream-window").classList.contains("window-active")
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|| $("keyboard-window").classList.contains("window-active")
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);
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let led = "led-gray";
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let title = "Keyboard free";
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if (__ws) {
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if (__online) {
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if (is_captured) {
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led = "led-green";
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title = "Keyboard captured";
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}
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} else {
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led = "led-yellow";
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title = (is_captured ? "Keyboard captured, HID offline" : "Keyboard free, HID offline");
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}
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} else {
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if (is_captured) {
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title = "Keyboard captured, Pi-KVM offline";
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}
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}
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$("hid-keyboard-led").className = led;
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$("hid-keyboard-led").title = title;
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};
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var __keyboardHandler = function(event, state) {
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if (event.preventDefault) {
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event.preventDefault();
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}
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if (!event.repeat) {
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// https://bugs.chromium.org/p/chromium/issues/detail?id=28089
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// https://bugzilla.mozilla.org/show_bug.cgi?id=1299553
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__keypad.emit(event.code, state, __use_release_hook);
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}
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};
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var __sendKey = function(code, state) {
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tools.debug("Keyboard: key", (state ? "pressed:" : "released:"), code);
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if (__ws) {
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__ws.send(JSON.stringify({
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event_type: "key",
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key: code,
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state: state,
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}));
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}
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};
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__init__();
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}
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