"use strict";
/*jslint white: false, browser: true */
-/*global window, $D, Util, WebUtil, RFB, Canvas, Element, Fx */
+/*global window, $D, Util, WebUtil, RFB, Display */
var UI = {
settingsOpen : false,
+ConnSettingsOpen : true,
+clipboardOpen: false,
// Render default UI and initialize settings menu
-load: function(target) {
+load: function() {
var html = '', i, sheet, sheets, llevels;
- /* Populate the 'target' DOM element with default UI */
- if (!target) {
- target = $D('vnc');
- } else if (typeof target === 'string') {
- target = $D(target);
- }
-
- if ((!document.createElement('canvas').getContext) &&
- window.ActiveXObject) {
- // Suggest Chrome frame for Internet Explorer users
- html += '<center><div style="text-align: left; width: 400px">';
- html += ' You are using a version of Internet Explorer ';
- html += ' that does not have HTML5 Canvas support. ';
- html += ' To use noVNC you must use a browser with HTML5 ';
- html += ' Canvas support or install ';
- html += ' <a href="http://google.com/chromeframe" target="cframe">';
- html += ' Google Chrome Frame.</a>';
- html += '</div></center>';
- target.innerHTML = html;
- return;
- }
-
- html += '<div id="VNC_controls">';
- html += ' <ul>';
- html += ' <li>Host: <input id="VNC_host"></li>';
- html += ' <li>Port: <input id="VNC_port"></li>';
- html += ' <li>Password: <input id="VNC_password"';
- html += ' type="password"></li>';
- html += ' <li><input id="VNC_connect_button" type="button"';
- html += ' value="Loading" disabled></li>';
- html += ' </ul>';
- html += '</div>';
- html += '<div id="VNC_screen">';
- html += ' <div id="VNC_status_bar" class="VNC_status_bar" style="margin-top: 0px;">';
- html += ' <table border=0 width=100%><tr>';
- html += ' <td><div id="VNC_status">Loading</div></td>';
- html += ' <td width=1%><div class="VNC_buttons_right">';
- html += ' <input type=button class="VNC_status_button" value="Settings"';
- html += ' id="menuButton"';
- html += ' onclick="UI.clickSettingsMenu();">';
- html += ' <span id="VNC_settings_menu"';
- html += ' onmouseover="UI.canvasBlur();"';
- html += ' onmouseout="UI.canvasFocus();">';
- html += ' <ul>';
- html += ' <li><input id="VNC_encrypt"';
- html += ' type="checkbox"> Encrypt</li>';
- html += ' <li><input id="VNC_true_color"';
- html += ' type="checkbox" checked> True Color</li>';
- html += ' <li><input id="VNC_cursor"';
- html += ' type="checkbox"> Local Cursor</li>';
- html += ' <li><input id="VNC_shared"';
- html += ' type="checkbox"> Shared Mode</li>';
- html += ' <li><input id="VNC_connectTimeout"';
- html += ' type="input"> Connect Timeout (s)</li>';
- html += ' <hr>';
-
- // Stylesheet selection dropdown
- html += ' <li><select id="VNC_stylesheet" name="vncStyle">';
- html += ' <option value="default">default</option>';
+ // Stylesheet selection dropdown
sheet = WebUtil.selectStylesheet();
sheets = WebUtil.getStylesheets();
for (i = 0; i < sheets.length; i += 1) {
- html += '<option value="' + sheets[i].title + '">' + sheets[i].title + '</option>';
+ addOption($D('noVNC_stylesheet'),sheets[i].title, sheets[i].title);
}
- html += ' </select> Style</li>';
// Logging selection dropdown
- html += ' <li><select id="VNC_logging" name="vncLogging">';
llevels = ['error', 'warn', 'info', 'debug'];
for (i = 0; i < llevels.length; i += 1) {
- html += '<option value="' + llevels[i] + '">' + llevels[i] + '</option>';
+ addOption($D('noVNC_logging'),llevels[i], llevels[i]);
}
- html += ' </select> Logging</li>';
-
- html += ' <hr>';
- html += ' <li><input type="button" id="VNC_apply" value="Apply"';
- html += ' onclick="UI.settingsApply()"></li>';
- html += ' </ul>';
- html += ' </span></div></td>';
- html += ' <td width=1%><div class="VNC_buttons_right">';
- html += ' <input type=button class="VNC_status_button" value="Send CtrlAltDel"';
- html += ' id="sendCtrlAltDelButton"';
- html += ' onclick="UI.sendCtrlAltDel();"></div></td>';
- html += ' </tr></table>';
- html += ' </div>';
- html += ' <canvas id="VNC_canvas" width="640px" height="20px">';
- html += ' Canvas not supported.';
- html += ' </canvas>';
- html += '</div>';
- html += '<br><br>';
- html += '<div id="VNC_clipboard">';
- html += ' VNC Clipboard:';
- html += ' <input id="VNC_clipboard_clear_button"';
- html += ' type="button" value="Clear"';
- html += ' onclick="UI.clipClear();">';
- html += ' <br>';
- html += ' <textarea id="VNC_clipboard_text" cols=80 rows=5';
- html += ' onfocus="UI.canvasBlur();"';
- html += ' onblur="UI.canvasFocus();"';
- html += ' onchange="UI.clipSend();"></textarea>';
- html += '</div>';
- target.innerHTML = html;
-
+
// Settings with immediate effects
UI.initSetting('logging', 'warn');
WebUtil.init_logging(UI.getSetting('logging'));
WebUtil.selectStylesheet(UI.getSetting('stylesheet'));
/* Populate the controls if defaults are provided in the URL */
- UI.initSetting('host', '');
+ UI.initSetting('host', '');
UI.initSetting('port', '');
UI.initSetting('password', '');
UI.initSetting('encrypt', false);
UI.initSetting('true_color', true);
UI.initSetting('cursor', false);
- UI.initSetting('shared', true);
+ UI.initSetting('shared', true);
UI.initSetting('connectTimeout', 2);
- UI.rfb = RFB({'target': $D('VNC_canvas'),
- 'updateState': UI.updateState,
- 'clipboardReceive': UI.clipReceive});
-
+ UI.rfb = RFB({'target': $D('noVNC_canvas'),
+ 'onUpdateState': UI.updateState,
+ 'onClipboard': UI.clipReceive});
+
// Unfocus clipboard when over the VNC area
- $D('VNC_screen').onmousemove = function () {
- var keyboard = UI.rfb.get_keyboard();
- if ((! keyboard) || (! keyboard.get_focused())) {
- $D('VNC_clipboard_text').blur();
- }
- };
+ //$D('VNC_screen').onmousemove = function () {
+ // var keyboard = UI.rfb.get_keyboard();
+ // if ((! keyboard) || (! keyboard.get_focused())) {
+ // $D('VNC_clipboard_text').blur();
+ // }
+ // };
+
+ // Show mouse selector buttons on touch screen devices
+ if ('ontouchstart' in document.documentElement) {
+ $D('noVNC_mobile_buttons').style.display = "inline";
+ UI.setMouseButton();
+ window.scrollTo(0, 1);
+ }
+
+ //iOS Safari does not support CSS position:fixed. This detects iOS devices and enables javascript workaround.
+ if((navigator.userAgent.match(/iPhone/i)) || (navigator.userAgent.match(/iPod/i)) || (navigator.userAgent.match(/iPad/i))) {
+ alert("here");
+ setOnscroll();
+ setResize();
+ }
},
// Read form control compatible setting from cookie
getSetting: function(name) {
- var val, ctrl = $D('VNC_' + name);
+ var val, ctrl = $D('noVNC_' + name);
val = WebUtil.readCookie(name);
if (ctrl.type === 'checkbox') {
if (val.toLowerCase() in {'0':1, 'no':1, 'false':1}) {
// Update cookie and form control setting. If value is not set, then
// updates from control to current cookie setting.
updateSetting: function(name, value) {
- var i, ctrl = $D('VNC_' + name);
+
+ var i, ctrl = $D('noVNC_' + name);
// Save the cookie for this session
if (typeof value !== 'undefined') {
WebUtil.createCookie(name, value);
}
-
+ if(name === 'host')
+ {
+
+
+ }
// Update the settings control
value = UI.getSetting(name);
+
if (ctrl.type === 'checkbox') {
ctrl.checked = value;
+
} else if (typeof ctrl.options !== 'undefined') {
for (i = 0; i < ctrl.options.length; i += 1) {
if (ctrl.options[i].value === value) {
}
}
} else {
+ /*Weird IE9 error leads to 'null' appearring in textboxes instead of ''.*/
+ if(value === null)
+ {
+ value = "";
+ }
ctrl.value = value;
}
},
// Save control setting to cookie
saveSetting: function(name) {
- var val, ctrl = $D('VNC_' + name);
+ var val, ctrl = $D('noVNC_' + name);
if (ctrl.type === 'checkbox') {
val = ctrl.checked;
} else if (typeof ctrl.options !== 'undefined') {
} else {
UI.updateSetting('encrypt');
UI.updateSetting('true_color');
- if (UI.rfb.get_canvas().get_cursor_uri()) {
+ if (UI.rfb.get_display().get_cursor_uri()) {
UI.updateSetting('cursor');
} else {
UI.updateSetting('cursor', false);
- $D('VNC_cursor').disabled = true;
+ $D('noVNC_cursor').disabled = true;
}
UI.updateSetting('shared');
UI.updateSetting('connectTimeout');
// Open menu
openSettingsMenu: function() {
- $D('VNC_settings_menu').style.display = "block";
+ if(UI.clipboardOpen == true)
+ {
+ UI.showClipboard();
+ }
+ //Close connection settings if open
+ if(UI.ConnSettingsOpen == true) {
+ connectPanelbutton();
+ }
+ $D('noVNC_Settings').style.display = "block";
UI.settingsOpen = true;
},
// Close menu (without applying settings)
closeSettingsMenu: function() {
- $D('VNC_settings_menu').style.display = "none";
+ $D('noVNC_Settings').style.display = "none";
UI.settingsOpen = false;
},
// Disable/enable controls depending on connection state
settingsDisabled: function(disabled, rfb) {
//Util.Debug(">> settingsDisabled");
- $D('VNC_encrypt').disabled = disabled;
- $D('VNC_true_color').disabled = disabled;
- if (rfb && rfb.get_canvas() && rfb.get_canvas().get_cursor_uri()) {
- $D('VNC_cursor').disabled = disabled;
+ $D('noVNC_encrypt').disabled = disabled;
+ $D('noVNC_true_color').disabled = disabled;
+ if (rfb && rfb.get_display() && rfb.get_display().get_cursor_uri()) {
+ $D('noVNC_cursor').disabled = disabled;
} else {
UI.updateSetting('cursor', false);
- $D('VNC_cursor').disabled = true;
+ $D('noVNC_cursor').disabled = true;
}
- $D('VNC_shared').disabled = disabled;
- $D('VNC_connectTimeout').disabled = disabled;
+ $D('noVNC_shared').disabled = disabled;
+ $D('noVNC_connectTimeout').disabled = disabled;
//Util.Debug("<< settingsDisabled");
},
//Util.Debug(">> settingsApply");
UI.saveSetting('encrypt');
UI.saveSetting('true_color');
- if (UI.rfb.get_canvas().get_cursor_uri()) {
+ if (UI.rfb.get_display().get_cursor_uri()) {
UI.saveSetting('cursor');
}
UI.saveSetting('shared');
// Settings with immediate (non-connected related) effect
WebUtil.selectStylesheet(UI.getSetting('stylesheet'));
WebUtil.init_logging(UI.getSetting('logging'));
-
//Util.Debug("<< settingsApply");
},
setPassword: function() {
- UI.rfb.sendPassword($D('VNC_password').value);
+ UI.rfb.sendPassword($D('noVNC_password').value);
return false;
},
UI.rfb.sendCtrlAltDel();
},
+setMouseButton: function(num) {
+ var b, blist = [1,2,4], button,
+ mouse = UI.rfb.get_mouse();
+
+ if (typeof num === 'undefined') {
+ // Show the default
+ num = mouse.get_touchButton();
+ } else if (num === mouse.get_touchButton()) {
+ // Set all buttons off (no clicks)
+ mouse.set_touchButton(0);
+ num = 0;
+ } else {
+ // Turn on one button
+ mouse.set_touchButton(num);
+ }
+
+ for (b = 0; b < blist.length; b++) {
+ button = $D('noVNC_mouse_button' + blist[b]);
+ if (blist[b] === num) {
+ button.style.backgroundColor = "black";
+ button.style.color = "lightgray";
+ } else {
+ button.style.backgroundColor = "";
+ button.style.color = "";
+ }
+ }
+},
+
updateState: function(rfb, state, oldstate, msg) {
var s, sb, c, cad, klass;
- s = $D('VNC_status');
- sb = $D('VNC_status_bar');
- c = $D('VNC_connect_button');
+ s = $D('noVNC_status');
+ sb = $D('noVNC_status_bar');
+ c = $D('noVNC_connect_button');
cad = $D('sendCtrlAltDelButton');
switch (state) {
case 'failed':
c.disabled = true;
cad.disabled = true;
UI.settingsDisabled(true, rfb);
- klass = "VNC_status_error";
+ klass = "noVNC_status_error";
break;
case 'normal':
c.value = "Disconnect";
c.disabled = false;
cad.disabled = false;
UI.settingsDisabled(true, rfb);
- klass = "VNC_status_normal";
+ klass = "noVNC_status_normal";
break;
case 'disconnected':
+ $D('noVNC_defaultScreen').style.display = "block";
case 'loaded':
c.value = "Connect";
c.onclick = UI.connect;
c.disabled = false;
cad.disabled = true;
UI.settingsDisabled(false, rfb);
- klass = "VNC_status_normal";
+ klass = "noVNC_status_normal";
break;
case 'password':
c.value = "Send Password";
c.disabled = false;
cad.disabled = true;
UI.settingsDisabled(true, rfb);
- klass = "VNC_status_warn";
+ klass = "noVNC_status_warn";
break;
default:
c.disabled = true;
cad.disabled = true;
UI.settingsDisabled(true, rfb);
- klass = "VNC_status_warn";
+ klass = "noVNC_status_warn";
break;
}
clipReceive: function(rfb, text) {
Util.Debug(">> UI.clipReceive: " + text.substr(0,40) + "...");
- $D('VNC_clipboard_text').value = text;
+ $D('noVNC_clipboard_text').value = text;
Util.Debug("<< UI.clipReceive");
},
var host, port, password;
UI.closeSettingsMenu();
-
- host = $D('VNC_host').value;
- port = $D('VNC_port').value;
- password = $D('VNC_password').value;
+ connectPanelbutton();
+ host = $D('noVNC_host').value;
+ port = $D('noVNC_port').value;
+ password = $D('noVNC_password').value;
if ((!host) || (!port)) {
throw("Must set host and port");
}
UI.rfb.set_connectTimeout(UI.getSetting('connectTimeout'));
UI.rfb.connect(host, port, password);
+ //Close dialog.
+ setTimeout("setBarPosition()",100);
+ $D('noVNC_defaultScreen').style.display = "none";
},
disconnect: function() {
UI.closeSettingsMenu();
-
UI.rfb.disconnect();
+ $D('noVNC_defaultScreen').style.display = "block";
+ UI.openSettingsMenu();
},
-canvasBlur: function() {
+displayBlur: function() {
UI.rfb.get_keyboard().set_focused(false);
UI.rfb.get_mouse().set_focused(false);
},
-canvasFocus: function() {
+displayFocus: function() {
UI.rfb.get_keyboard().set_focused(true);
UI.rfb.get_mouse().set_focused(true);
},
clipClear: function() {
- $D('VNC_clipboard_text').value = "";
+ $D('noVNC_clipboard_text').value = "";
UI.rfb.clipboardPasteFrom("");
},
clipSend: function() {
- var text = $D('VNC_clipboard_text').value;
+ var text = $D('noVNC_clipboard_text').value;
Util.Debug(">> UI.clipSend: " + text.substr(0,40) + "...");
UI.rfb.clipboardPasteFrom(text);
Util.Debug("<< UI.clipSend");
+},
+
+showClipboard: function() {
+ //Close settings if open
+ if(UI.settingsOpen == true) {
+ UI.closeSettingsMenu();
+ }
+ //Close connection settings if open
+ if(UI.ConnSettingsOpen == true) {
+ connectPanelbutton();
+ }
+ //Toggle Connection Panel
+ if(UI.clipboardOpen == true)
+ { $D('noVNC_clipboard').style.display = "none";
+ UI.clipboardOpen = false;
+ } else {
+ $D('noVNC_clipboard').style.display = "block";
+ UI.clipboardOpen = true;
+ }
}
};
+
+function connectPanelbutton() {
+ //Close connection settings if open
+ if(UI.settingsOpen == true) {
+ UI.closeSettingsMenu();
+ }
+ if(UI.clipboardOpen == true)
+ {
+ UI.showClipboard();
+ }
+
+ //Toggle Connection Panel
+ if(UI.ConnSettingsOpen == true)
+ {
+ $D('noVNC_controls').style.display = "none";
+ UI.ConnSettingsOpen = false;
+ } else {
+ $D('noVNC_controls').style.display = "block";
+ UI.ConnSettingsOpen = true;
+ }
+}
+
+function showkeyboard(){
+//Get Current Scroll Position
+var scrollx = (document.all)?document.body.scrollLeft:window.pageXOffset;
+var scrolly = (document.all)?document.body.scrollTop:window.pageYOffset;
+
+
+//Stop browser zooming on textbox.
+zoomDisable();
+ $D('keyboardinput').focus();
+ scroll(scrollx,scrolly);
+//Renable user zoom.
+zoomEnable();
+}
+
+function zoomDisable(){
+ //Change viewport meta data to disable zooming.
+ changeViewportMeta("user-scalable=0");
+}
+
+function zoomEnable(){
+ //Change viewport meta data to enable user zooming.
+ changeViewportMeta("user-scalable=1");
+}
+
+function changeViewportMeta(newattributes) {
+
+ // First, get the array of meta-tag elements
+ var metatags = document.getElementsByTagName("meta");
+
+ // Update only the Viewport meta tag
+ for (var cnt = 0; cnt < metatags.length; cnt++)
+ {
+
+ var name = metatags[cnt].getAttribute("name");
+ var content = metatags[cnt].getAttribute("content");
+
+ // Update the Viewport meta tag
+ if (metatags[cnt].getAttribute("name") == "viewport")
+ metatags[cnt].setAttribute("content", newattributes);
+ }
+}
+
+//iOS < Version 5 does not support position fixed. Javascript workaround:
+function setOnscroll() {
+ window.onscroll = function() {
+ setBarPosition();
+ };
+}
+
+function setResize() {
+ window.onResize = function() {
+ setBarPosition();
+ };
+}
+
+function setBarPosition() {
+ $D('VNC_mobile_bar').style.top = (window.pageYOffset) + 'px';
+ $D('VNC_mobile_buttons').style.left = (window.pageXOffset) + 'px';
+
+ $D('VNC_mobile_buttons_right').style.right = 0 + 'px';
+
+ var vncwidth = $('#VNC_screen').width();
+ $D('VNC_mobile_bar').style.width = vncwidth + 'px';
+}
+
+//Helper to add options to dropdown.
+function addOption(selectbox,text,value )
+{
+ var optn = document.createElement("OPTION");
+ optn.text = text;
+ optn.value = value;
+ selectbox.options.add(optn);
+}