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Migrating to traditional JS handlers.

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This commit is contained in:
Michael Jumper
2011-07-04 14:25:52 -07:00
parent fbce63ea64
commit 5815f79eef
2 changed files with 41 additions and 44 deletions
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54
guacamole-common-js/src/main/resources/guacamole.js
View File

@@ -18,6 +18,8 @@
function GuacamoleClient(display, tunnel) {
var guac_client = this;
var STATE_IDLE = 0;
var STATE_CONNECTING = 1;
var STATE_WAITING = 2;
@@ -26,9 +28,8 @@ function GuacamoleClient(display, tunnel) {
var STATE_DISCONNECTED = 5;
var currentState = STATE_IDLE;
var stateChangeHandler = null;
tunnel.setInstructionHandler(doInstruction);
tunnel.oninstruction = doInstruction;
// Display must be relatively positioned for mouse to be handled properly
display.style.position = "relative";
@@ -36,15 +37,11 @@ function GuacamoleClient(display, tunnel) {
function setState(state) {
if (state != currentState) {
currentState = state;
if (stateChangeHandler)
stateChangeHandler(currentState);
if (guac_client.onstatechange)
guac_client.onstatechange(currentState);
}
}
this.setOnStateChangeHandler = function(handler) {
stateChangeHandler = handler;
};
function isConnected() {
return currentState == STATE_CONNECTED
|| currentState == STATE_WAITING;
@@ -82,7 +79,7 @@ function GuacamoleClient(display, tunnel) {
cursor.drawImage(cursorRectX, cursorRectY, cursorImage);
}
this.sendKeyEvent = function(pressed, keysym) {
guac_client.sendKeyEvent = function(pressed, keysym) {
// Do not send requests if not connected
if (!isConnected())
return;
@@ -90,7 +87,7 @@ function GuacamoleClient(display, tunnel) {
tunnel.sendMessage("key:" + keysym + "," + pressed + ";");
};
this.sendMouseState = function(mouseState) {
guac_client.sendMouseState = function(mouseState) {
// Do not send requests if not connected
if (!isConnected())
@@ -116,7 +113,7 @@ function GuacamoleClient(display, tunnel) {
tunnel.sendMessage("mouse:" + mouseState.getX() + "," + mouseState.getY() + "," + buttonMask + ";");
};
this.setClipboard = function(data) {
guac_client.setClipboard = function(data) {
// Do not send requests if not connected
if (!isConnected())
@@ -126,21 +123,10 @@ function GuacamoleClient(display, tunnel) {
};
// Handlers
var nameHandler = null;
this.setNameHandler = function(handler) {
nameHandler = handler;
};
var errorHandler = null;
this.setErrorHandler = function(handler) {
errorHandler = handler;
};
var clipboardHandler = null;
this.setClipboardHandler = function(handler) {
clipboardHandler = handler;
};
guac_client.onstatechange = null;
guac_client.onname = null;
guac_client.onerror = null;
guac_client.onclipboard = null;
// Layers
var displayWidth = 0;
@@ -150,7 +136,7 @@ function GuacamoleClient(display, tunnel) {
var buffers = new Array();
var cursor = null;
this.getLayers = function() {
guac_client.getLayers = function() {
return layers;
};
@@ -216,16 +202,16 @@ function GuacamoleClient(display, tunnel) {
var instructionHandlers = {
"error": function(parameters) {
if (errorHandler) errorHandler(unescapeGuacamoleString(parameters[0]));
if (guac_client.onerror) guac_client.onerror(unescapeGuacamoleString(parameters[0]));
disconnect();
},
"name": function(parameters) {
if (nameHandler) nameHandler(unescapeGuacamoleString(parameters[0]));
if (guac_client.onname) guac_client.onname(unescapeGuacamoleString(parameters[0]));
},
"clipboard": function(parameters) {
if (clipboardHandler) clipboardHandler(unescapeGuacamoleString(parameters[0]));
if (guac_client.onclipboard) guac_client.onclipboard(unescapeGuacamoleString(parameters[0]));
},
"size": function(parameters) {
@@ -432,8 +418,8 @@ function GuacamoleClient(display, tunnel) {
}
this.disconnect = disconnect;
this.connect = function(data) {
guac_client.disconnect = disconnect;
guac_client.connect = function(data) {
setState(STATE_CONNECTING);
@@ -448,7 +434,7 @@ function GuacamoleClient(display, tunnel) {
setState(STATE_WAITING);
};
this.escapeGuacamoleString = escapeGuacamoleString;
this.unescapeGuacamoleString = unescapeGuacamoleString;
guac_client.escapeGuacamoleString = escapeGuacamoleString;
guac_client.unescapeGuacamoleString = unescapeGuacamoleString;
}

31
guacamole-common-js/src/main/resources/tunnel.js
View File

@@ -18,6 +18,8 @@
function GuacamoleHTTPTunnel(tunnelURL) {
var tunnel = this;
var tunnel_uuid;
var TUNNEL_CONNECT = tunnelURL + "?connect";
@@ -36,11 +38,13 @@ function GuacamoleHTTPTunnel(tunnelURL) {
// Default to polling - will be turned off automatically if not needed
var pollingMode = POLLING_ENABLED;
var instructionHandler = null;
var sendingMessages = 0;
var outputMessageBuffer = "";
// Handlers
tunnel.onerror = null;
tunnel.oninstruction = null;
function sendMessage(message) {
// Do not attempt to send messages if not connected
@@ -119,6 +123,16 @@ function GuacamoleHTTPTunnel(tunnelURL) {
// Halt on error during request
if (xmlhttprequest.status == 0 || xmlhttprequest.status != 200) {
// Get error message (if any)
var message = xmlhttprequest.getResponseHeader("X-Guacamole-Error-Message");
if (message)
message = "Internal server error";
// Call error handler
if (tunnel.onerror) tunnel.onerror(message);
// Finish
disconnect();
return;
}
@@ -160,8 +174,8 @@ function GuacamoleHTTPTunnel(tunnelURL) {
}
// Call instruction handler.
if (instructionHandler != null)
instructionHandler(opcode, parameters);
if (tunnel.oninstruction != null)
tunnel.oninstruction(opcode, parameters);
}
// Start search at end of string.
@@ -246,11 +260,8 @@ function GuacamoleHTTPTunnel(tunnelURL) {
}
// External API
this.connect = connect;
this.disconnect = disconnect;
this.sendMessage = sendMessage;
this.setInstructionHandler = function(handler) {
instructionHandler = handler;
};
tunnel.connect = connect;
tunnel.disconnect = disconnect;
tunnel.sendMessage = sendMessage;
}