Remove special password state

We already have a callback mechanism for this, so let's use that.
Fixes vnc_auto.html (#646) which was broken after
4e0c36dda7

include/rfb.js

@@ -265,7 +265,6 @@ var RFB;
 
         sendPassword: function (passwd) {
             this._rfb_password = passwd;
-            this._rfb_state = 'Authentication';
             setTimeout(this._init_msg.bind(this), 0);
         },
 
@@ -429,7 +428,6 @@ var RFB;
          *   ProtocolVersion
          *   Security
          *   Authentication
-         *   password     - waiting for password, not part of RFB
          *   SecurityResult
          *   ClientInitialization - not triggered by server message
          *   ServerInitialization (to normal)
@@ -732,7 +730,7 @@ var RFB;
             var xvp_sep = this._xvp_password_sep;
             var xvp_auth = this._rfb_password.split(xvp_sep);
             if (xvp_auth.length < 3) {
-                this._updateState('password', 'XVP credentials required (user' + xvp_sep +
+                Util.Debug('XVP credentials required (user' + xvp_sep +
                            'target' + xvp_sep + 'password) -- got only ' + this._rfb_password);
                 this._onPasswordRequired(this);
                 return false;
@@ -750,9 +748,6 @@ var RFB;
 
         _negotiate_std_vnc_auth: function () {
             if (this._rfb_password.length === 0) {
-                // Notify via both callbacks since it's kind of
-                // an RFB state change and a UI interface issue
-                this._updateState('password', "Password Required");
                 this._onPasswordRequired(this);
                 return false;
             }

include/ui.js

@@ -192,6 +192,7 @@ var UI;
             try {
                 UI.rfb = new RFB({'target': $D('noVNC_canvas'),
                                   'onUpdateState': UI.updateState,
+                                  'onPasswordRequired': UI.passwordRequired,
                                   'onXvpInit': UI.updateXvpButton,
                                   'onClipboard': UI.clipboardReceive,
                                   'onFBUComplete': UI.initialResize,
@@ -275,23 +276,15 @@ var UI;
                 case 'loaded':
                     klass = "noVNC_status_normal";
                     break;
-                case 'password':
-                    UI.toggleConnectPanel();
-
-                    $D('noVNC_connect_button').value = "Send Password";
-                    $D('noVNC_connect_button').onclick = UI.setPassword;
-                    $D('noVNC_setting_password').focus();
-
-                    klass = "noVNC_status_warn";
-                    break;
                 default:
                     klass = "noVNC_status_warn";
                     break;
             }
 
-            if (typeof(msg) !== 'undefined') {
             $D('noVNC_control_bar').setAttribute("class", klass);
+            if (typeof(msg) !== 'undefined') {
                 $D('noVNC_status').innerHTML = msg;
+
             }
 
             UI.updateVisualState();
@@ -750,6 +743,25 @@ var UI;
             // Don't display the connection settings until we're actually disconnected
         },
 
+/* ------^-------
+ *  /CONNECTION
+ * ==============
+ *   PASSWORD
+ * ------v------*/
+
+        passwordRequired: function(rfb) {
+            UI.connSettingsOpen = false;
+            UI.toggleConnectPanel();
+
+            $D('noVNC_connect_button').value = "Send Password";
+            $D('noVNC_connect_button').onclick = UI.setPassword;
+            $D('noVNC_setting_password').focus();
+
+            var msg = "Password is required";
+            UI.popupStatus(msg);
+            UI.updateState(null, "warning", null, msg);
+        },
+
         setPassword: function() {
             UI.rfb.sendPassword($D('noVNC_setting_password').value);
             //Reset connect button.
@@ -761,7 +773,7 @@ var UI;
         },
 
 /* ------^-------
- *  /CONNECTION
+ *  /PASSWORD
  * ==============
  *   FULLSCREEN
  * ------v------*/

tests/test.rfb.js

@@ -107,10 +107,9 @@ describe('Remote Frame Buffer Protocol Client', function() {
             beforeEach(function () { this.clock = sinon.useFakeTimers(); });
             afterEach(function () { this.clock.restore(); });
 
-            it('should set the state to "Authentication"', function () {
+            it('should set the rfb password properly"', function () {
-                client._rfb_state = "blah";
                 client.sendPassword('pass');
-                expect(client._rfb_state).to.equal('Authentication');
+                expect(client._rfb_password).to.equal('pass');
             });
 
             it('should call init_msg "soon"', function () {
@@ -704,9 +703,13 @@ describe('Remote Frame Buffer Protocol Client', function() {
                     client._rfb_version = 3.8;
                 });
 
-                it('should transition to the "password" state if missing a password', function () {
+                it('should call the passwordRequired callback if missing a password', function () {
+                    client.set_onPasswordRequired(sinon.spy());
                     send_security(2, client);
-                    expect(client._rfb_state).to.equal('password');
+
+                    var spy = client.get_onPasswordRequired();
+                    expect(client._rfb_password.length).to.equal(0);
+                    expect(spy).to.have.been.calledOnce;
                 });
 
                 it('should encrypt the password with DES and then send it back', function () {
@@ -753,15 +756,23 @@ describe('Remote Frame Buffer Protocol Client', function() {
                     expect(client._negotiate_std_vnc_auth).to.have.been.calledOnce;
                 });
 
-                it('should transition to the "password" state if the passwords is missing', function() {
+                it('should call the passwordRequired callback if the password is missing', function() {
+                    client.set_onPasswordRequired(sinon.spy());
+                    client._rfb_password = '';
                     send_security(22, client);
-                    expect(client._rfb_state).to.equal('password');
+
+                    var spy = client.get_onPasswordRequired();
+                    expect(client._rfb_password.length).to.equal(0);
+                    expect(spy).to.have.been.calledOnce;
                 });
 
-                it('should transition to the "password" state if the passwords is improperly formatted', function() {
+                it('should call the passwordRequired callback if the password is improperly formatted', function() {
+                    client.set_onPasswordRequired(sinon.spy());
                     client._rfb_password = 'user@target';
                     send_security(22, client);
-                    expect(client._rfb_state).to.equal('password');
+
+                    var spy = client.get_onPasswordRequired();
+                    expect(spy).to.have.been.calledOnce;
                 });
 
                 it('should split the password, send the first two parts, and pass on the last part', function () {