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simplified hid

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This commit is contained in:
Devaev Maxim 2018-07-25 23:01:28 +03:00
parent e2e8001ba8
commit 940fe28a9f
4 changed files with 61 additions and 63 deletions
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13
kvmd/web/js/hid.js
View File

@ -1,15 +1,20 @@
var hid = new function() {
var __install_timer = null;
this.init = function() {
keyboard.init();
mouse.init();
}
this.installCapture = function(ws) {
var http = tools.makeRequest("GET", "/kvmd/hid", function() {
if (http.readyState === 4) {
if (http.status === 200) {
features = JSON.parse(http.responseText).result.features;
if (features.mouse) {
mouse.installCapture(ws);
mouse.setSocket(ws);
}
keyboard.installCapture(ws);
keyboard.setSocket(ws);
} else {
tools.error("Can't resolve HID features:", http.responseText);
__install_timer = setTimeout(() => hid.installCapture(ws), 1000);
@ -23,7 +28,7 @@ var hid = new function() {
clearTimeout(__install_timer);
__install_timer = null;
}
mouse.clearCapture();
keyboard.clearCapture();
mouse.setSocket(null);
keyboard.setSocket(null);
};
}

28
kvmd/web/js/keyboard.js
View File

@ -1,23 +1,22 @@
var keyboard = new function() {
this.installCapture = function(ws) {
// https://www.codeday.top/2017/05/03/24906.html
tools.info("Installing keyboard capture ...")
document.onkeydown = (event) => __keyHandler(ws, event, true);
document.onkeyup = (event) => __keyHandler(ws, event, false);
$("hid-keyboard-led").className = "led-on";
var __ws = null;
this.init = function() {
document.onkeydown = (event) => __keyHandler(event, true);
document.onkeyup = (event) => __keyHandler(event, false);
};
this.clearCapture = function() {
tools.info("Removing keyboard capture ...")
document.onkeydown = null;
document.onkeyup = null;
$("hid-keyboard-led").className = "led-off";
this.setSocket = function(ws) {
__ws = ws;
$("hid-keyboard-led").className = (ws ? "led-on" : "led-off");
};
var __keyHandler = function(ws, event, state) {
var __keyHandler = function(event, state) {
// https://github.com/wesbos/keycodes/blob/gh-pages/scripts.js
el_key = $(event.code);
if (el_key) {
event.preventDefault();
tools.debug("Key", (state ? "pressed:" : "released:"), event);
if (state) {
@ -28,12 +27,13 @@ var keyboard = new function() {
el_key.removeAttribute("style");
}
event.preventDefault();
ws.send(JSON.stringify({
if (__ws) {
__ws.send(JSON.stringify({
event_type: "key",
key: event.code,
state: state,
}));
}
}
};
};

1
kvmd/web/js/main.js
View File

@ -1,5 +1,6 @@
function main () {
ui.init();
hid.init();
session.loadKvmdVersion();
session.startPoller();
stream.startPoller();

54
kvmd/web/js/mouse.js
View File

@ -1,38 +1,24 @@
var mouse = new function() {
var __send_move_timer = null;
var __ws = null;
var __current_pos = {x: 0, y:0};
var __sent_pos = {x: 0, y:0};
this.installCapture = function(ws) {
tools.info("Installing mouse capture ...");
this.init = function() {
el_stream_image = $("stream-image");
el_stream_image.onmousedown = (event) => __buttonHandler(ws, event, true);
el_stream_image.onmouseup = (event) => __buttonHandler(ws, event, false);
el_stream_image.onmousedown = (event) => __buttonHandler(event, true);
el_stream_image.onmouseup = (event) => __buttonHandler(event, false);
el_stream_image.oncontextmenu = (event) => event.preventDefault();
el_stream_image.onmousemove = __moveHandler;
el_stream_image.onwheel = (event) => __wheelHandler(ws, event);
__send_move_timer = setInterval(() => __sendMove(ws), 100);
$("hid-mouse-led").className = "led-on";
el_stream_image.onwheel = (event) => __wheelHandler(event);
setInterval(__sendMove, 100);
};
this.clearCapture = function() {
tools.info("Removing mouse capture ...");
if (__send_move_timer) {
clearInterval(__send_move_timer);
__send_move_timer = null;
}
__current_pos = {x: 0, y:0};
__sent_pos = {x: 0, y:0};
el_stream_image = $("stream-image");
el_stream_image.onmousedown = null;
el_stream_image.onmouseup = null;
el_stream_image.oncontextmenu = null;
el_stream_image.onmousemove = null;
el_stream_image.onwheel = null;
$("hid-mouse-led").className = "led-off";
this.setSocket = function(ws) {
$("hid-mouse-led").className = (ws ? "led-on" : "led-off");
__ws = ws;
};
var __buttonHandler = function(ws, event, state) {
var __buttonHandler = function(event, state) {
// https://www.w3schools.com/jsref/event_button.asp
switch (event.button) {
case 0: var button = "left"; break;
@ -40,15 +26,17 @@ var mouse = new function() {
default: var button = null; break;
}
if (button) {
tools.debug("Mouse button", (state ? "pressed:" : "released:"), button);
event.preventDefault();
__sendMove(ws);
ws.send(JSON.stringify({
tools.debug("Mouse button", (state ? "pressed:" : "released:"), button);
__sendMove();
if (__ws) {
__ws.send(JSON.stringify({
event_type: "mouse_button",
button: button,
state: state,
}));
}
}
};
var __moveHandler = function(event) {
@ -59,28 +47,32 @@ var mouse = new function() {
};
};
var __sendMove = function(ws) {
var __sendMove = function() {
var pos = __current_pos;
if (pos.x !== __sent_pos.x || pos.y !== __sent_pos.y) {
tools.debug("Mouse move:", pos);
ws.send(JSON.stringify({
if (__ws) {
__ws.send(JSON.stringify({
event_type: "mouse_move",
to: pos,
}));
}
__sent_pos = pos;
}
};
var __wheelHandler = function(ws, event) {
var __wheelHandler = function(event) {
// https://learn.javascript.ru/mousewheel
if (event.preventDefault) {
event.preventDefault();
}
delta = {x: event.deltaX, y: event.deltaY};
tools.debug("Mouse wheel:", delta);
ws.send(JSON.stringify({
if (__ws) {
__ws.send(JSON.stringify({
event_type: "mouse_wheel",
delta: delta,
}));
}
};
};