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Now using true inbound instruction stream ... no more event-specific servlets.

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This commit is contained in:
Michael Jumper
2010-09-15 01:18:00 -07:00
parent 96fff8b3de
commit 2c0219c03b
19 changed files with 95 additions and 944 deletions
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94
guacamole/client/web/javascript/guacamole.js
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@@ -46,9 +46,6 @@ function VNCClient(display) {
|| currentState == STATE_WAITING;
}
var keyIndex = 0;
var xmlIndex = 0;
// Layers
var background = null;
var cursor = null;
@@ -118,17 +115,7 @@ function VNCClient(display) {
this.enableKeyboard();
function sendKeyEvent(pressed, keysym) {
// Do not send requests if not connected
if (!isConnected())
return;
var key_xmlhttprequest = new XMLHttpRequest();
key_xmlhttprequest.open("GET",
"key?index=" + (keyIndex++)
+ "&pressed=" + pressed
+ "&keysym=" + keysym);
key_xmlhttprequest.send(null);
sendMessage("key:" + keysym + "," + pressed + ";");
}
this.pressKey = function(keysym) {
@@ -170,47 +157,63 @@ function VNCClient(display) {
);
var sendingMouseEvents = 0;
var mouseEventBuffer = "";
function sendMouseState(mouseState) {
// Build mask
var buttonMask = 0;
if (mouseState.getLeft()) buttonMask |= 1;
if (mouseState.getMiddle()) buttonMask |= 2;
if (mouseState.getRight()) buttonMask |= 4;
if (mouseState.getUp()) buttonMask |= 8;
if (mouseState.getDown()) buttonMask |= 16;
// Send message
sendMessage("mouse:" + mouseState.getX() + "," + mouseState.getY() + "," + buttonMask + ";");
}
var sendingMessages = 0;
var outputMessageBuffer = "";
function sendMessage(message) {
// Do not send requests if not connected
if (!isConnected())
return;
// Add event to queue, restart send loop if finished.
if (mouseEventBuffer.length > 0) mouseEventBuffer += "&";
mouseEventBuffer += "event=" + mouseState.toString();
if (sendingMouseEvents == 0)
sendPendingMouseEvents();
outputMessageBuffer += message;
if (sendingMessages == 0)
sendPendingMessages();
}
function sendPendingMouseEvents() {
function sendPendingMessages() {
// Do not send requests if not connected
if (!isConnected())
return;
if (mouseEventBuffer.length > 0) {
if (outputMessageBuffer.length > 0) {
sendingMouseEvents = 1;
sendingMessages = 1;
var mouse_xmlhttprequest = new XMLHttpRequest();
mouse_xmlhttprequest.open("GET", "pointer?" + mouseEventBuffer);
mouseEventBuffer = ""; // Clear buffer
var message_xmlhttprequest = new XMLHttpRequest();
message_xmlhttprequest.open("POST", "inbound");
message_xmlhttprequest.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
message_xmlhttprequest.setRequestHeader("Content-length", outputMessageBuffer.length);
// Once response received, send next queued event.
mouse_xmlhttprequest.onreadystatechange = function() {
if (mouse_xmlhttprequest.readyState == 4)
sendPendingMouseEvents();
message_xmlhttprequest.onreadystatechange = function() {
if (message_xmlhttprequest.readyState == 4)
sendPendingMessages();
}
mouse_xmlhttprequest.send(null);
message_xmlhttprequest.send(outputMessageBuffer);
outputMessageBuffer = ""; // Clear buffer
}
else
sendingMouseEvents = 0;
sendingMessages = 0;
}
@@ -225,10 +228,7 @@ function VNCClient(display) {
if (!isConnected())
return;
var clipboard_xmlhttprequest = new XMLHttpRequest();
clipboard_xmlhttprequest.open("POST", "clipboard");
clipboard_xmlhttprequest.send(data);
sendMessage("clipboard:" + escapeGuacamoleString(data) + ";");
}
@@ -387,6 +387,28 @@ function VNCClient(display) {
}
function escapeGuacamoleString(str) {
var escapedString = "";
for (var i=0; i<str.length; i++) {
var c = str.charAt(i);
if (c == ",")
escapedString += "\\c";
else if (c == ";")
escapedString += "\\s";
else if (c == "\\")
escapedString += "\\\\";
else
escapedString += c;
}
return escapedString;
}
function unescapeGuacamoleString(str) {
var unescapedString = "";