improve login, including checkbox fix for advanced options, rechecking when you change server, avoiding flickering when you change HS, better error/spinner layout, and trimming whitespace

skins/base/css/templates/Login.css

@@ -82,11 +82,19 @@ limitations under the License.
     opacity: 0.8;
 }
 
+.mx_Login_loader {
+    position: absolute;
+    left: 50%;
+    margin-top: 12px;
+}
+
 .mx_Login_error {
     color: #ff2020;
     font-weight: bold;
     text-align: center;
-    margin-bottom: 24px;
+    height: 24px;
+    margin-top: 12px;
+    margin-bottom: 12px;
 }
 
 .mx_Login_create:link {

skins/base/views/templates/Login.js

@@ -74,14 +74,14 @@ module.exports = React.createClass({
      */
     getFormVals: function() {
         return {
-            'username': this.refs.user.getDOMNode().value,
+            'username': this.refs.user.getDOMNode().value.trim(),
-            'password': this.refs.pass.getDOMNode().value
+            'password': this.refs.pass.getDOMNode().value.trim()
         };
     },
 
     onHsUrlChanged: function() {
-        this.customHsUrl = this.refs.serverConfig.getHsUrl();
+        this.customHsUrl = this.refs.serverConfig.getHsUrl().trim();
-        this.customIsUrl = this.refs.serverConfig.getIsUrl();
+        this.customIsUrl = this.refs.serverConfig.getIsUrl().trim();
         MatrixClientPeg.replaceUsingUrls(
             this.getHsUrl(),
             this.getIsUrl()
@@ -93,23 +93,24 @@ module.exports = React.createClass({
         // XXX: HSes do not have to offer password auth, so we
         // need to update and maybe show a different component
         // when a new HS is entered.
-        /*if (this.updateHsTimeout) {
+        if (this.updateHsTimeout) {
             clearTimeout(this.updateHsTimeout);
         }
         var self = this;
         this.updateHsTimeout = setTimeout(function() {
             self.onHSChosen();
-        }, 500);*/
+        }, 500);
     },
 
     componentForStep: function(step) {
         switch (step) {
             case 'choose_hs':
+            case 'fetch_stages':
                 var serverConfigStyle = {};
                 serverConfigStyle.display = this.state.serverConfigVisible ? 'block' : 'none';
                 return (
                     <div>
-                        <input className="mx_Login_checkbox" id="advanced" type="checkbox" value={this.state.serverConfigVisible} onChange={this.onServerConfigVisibleChange} />
+                        <input className="mx_Login_checkbox" id="advanced" type="checkbox" checked={this.state.serverConfigVisible} onChange={this.onServerConfigVisibleChange} />
                         <label className="mx_Login_label" htmlFor="advanced">Use custom server options (advanced)</label>
                         <div style={serverConfigStyle}>
                             <ServerConfig ref="serverConfig"
@@ -143,20 +144,18 @@ module.exports = React.createClass({
     },
 
     loginContent: function() {
-        if (this.state.busy) {
+        var loader = this.state.busy ? <div className="mx_Login_loader"><Loader /></div> : null;
-            return (
-                <Loader />
-            );
-        } else {
         return (
             <div>
                 <h2>Sign in</h2>
                 {this.componentForStep(this.state.step)}
-                    <div className="mx_Login_error">{this.state.errorText}</div>
+                <div className="mx_Login_error">
+                        { loader }
+                        {this.state.errorText}
+                </div>
                 <a className="mx_Login_create" onClick={this.showRegister} href="#">Create a new account</a>
             </div>
         );
-        }
     },
 
     render: function() {

skins/base/views/templates/Register.js

@@ -46,10 +46,10 @@ module.exports = React.createClass({
 
     getRegFormVals: function() {
         return {
-            email: this.refs.email.getDOMNode().value,
+            email: this.refs.email.getDOMNode().value.trim(),
-            username: this.refs.username.getDOMNode().value,
+            username: this.refs.username.getDOMNode().value.trim(),
-            password: this.refs.password.getDOMNode().value,
+            password: this.refs.password.getDOMNode().value.trim(),
-            confirmPassword: this.refs.confirmPassword.getDOMNode().value
+            confirmPassword: this.refs.confirmPassword.getDOMNode().value.trim()
         };
     },
 

src/controllers/templates/Login.js

@@ -35,7 +35,7 @@ module.exports = {
     },
 
     setStep: function(step) {
-        this.setState({ step: step, errorText: '', busy: false });
+        this.setState({ step: step, busy: false });
     },
 
     onHSChosen: function() {
@@ -45,11 +45,14 @@ module.exports = {
         );
         this.setState({
             hs_url: this.getHsUrl(),
-            is_url: this.getIsUrl()
+            is_url: this.getIsUrl(),
         });
         this.setStep("fetch_stages");
         var cli = MatrixClientPeg.get();
-        this.setState({busy: true});
+        this.setState({
+            busy: true,
+            errorText: "",
+        });
         var self = this;
         cli.loginFlows().done(function(result) {
             self.setState({
@@ -66,7 +69,10 @@ module.exports = {
 
     onUserPassEntered: function(ev) {
         ev.preventDefault();
-        this.setState({busy: true});
+        this.setState({
+            busy: true,
+            errorText: "",
+        });
         var self = this;
 
         var formVals = this.getFormVals();