/*
* noVNC: HTML5 VNC client
- * Copyright (C) 2011 Joel Martin
- * Licensed under LGPL-3 (see LICENSE.txt)
+ * Copyright (C) 2012 Joel Martin
+ * Copyright (C) 2015 Samuel Mannehed for Cendio AB
+ * Licensed under MPL 2.0 (see LICENSE.txt)
*
* See README.md for usage and integration instructions.
*/
-"use strict";
-/*jslint white: false, browser: true */
-/*global window, $D, Util, WebUtil, RFB, Display */
-
-var UI = {
-
-rfb_state : 'loaded',
-settingsOpen : false,
-connSettingsOpen : true,
-clipboardOpen: false,
-
-// Render default UI and initialize settings menu
-load: function() {
- var html = '', i, sheet, sheets, llevels;
-
- // Stylesheet selection dropdown
- sheet = WebUtil.selectStylesheet();
- sheets = WebUtil.getStylesheets();
- for (i = 0; i < sheets.length; i += 1) {
- UI.addOption($D('noVNC_stylesheet'),sheets[i].title, sheets[i].title);
- }
-
- // Logging selection dropdown
- llevels = ['error', 'warn', 'info', 'debug'];
- for (i = 0; i < llevels.length; i += 1) {
- UI.addOption($D('noVNC_logging'),llevels[i], llevels[i]);
- }
-
- // Settings with immediate effects
- UI.initSetting('logging', 'warn');
- WebUtil.init_logging(UI.getSetting('logging'));
-
- UI.initSetting('stylesheet', 'default');
- WebUtil.selectStylesheet(null);
- // call twice to get around webkit bug
- WebUtil.selectStylesheet(UI.getSetting('stylesheet'));
-
- /* Populate the controls if defaults are provided in the URL */
- 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('connectTimeout', 2);
-
- UI.rfb = RFB({'target': $D('noVNC_canvas'),
- 'onUpdateState': UI.updateState,
- 'onClipboard': UI.clipReceive});
- UI.updateSettingsState(false);
-
- // Unfocus clipboard when over the VNC area
- //$D('VNC_screen').onmousemove = function () {
- // var keyboard = UI.rfb.get_keyboard();
- // if ((! keyboard) || (! keyboard.get_focused())) {
- // $D('VNC_clipboard_text').blur();
- // }
- // };
-
- // Show mouse selector buttons on touch screen devices
- if ('ontouchstart' in document.documentElement) {
- // Show mobile buttons
- $D('noVNC_mobile_buttons').style.display = "inline";
- UI.setMouseButton();
- // Remove the address bar
- setTimeout(function() { window.scrollTo(0, 1); }, 100);
- UI.initSetting('clip', true);
- $D('noVNC_clip').disabled = true;
- } else {
- UI.initSetting('clip', false);
- }
-
- //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))) {
- //UI.setOnscroll();
- //UI.setResize();
- }
-
- $D('noVNC_host').focus();
-
- UI.setViewClip();
- Util.addEvent(window, 'resize', UI.setViewClip);
-
- Util.addEvent(window, 'beforeunload', function () {
- if (UI.rfb_state === 'normal') {
- return "You are currently connected.";
- }
- } );
-
-},
-
-// Read form control compatible setting from cookie
-getSetting: function(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}) {
- val = false;
- } else {
- val = true;
- }
- }
- return val;
-},
+/* jslint white: false, browser: true */
+/* global window, $D, Util, WebUtil, RFB, Display */
+
+var UI;
+
+(function () {
+ "use strict";
+
+ var resizeTimeout;
+
+ // Load supporting scripts
+ window.onscriptsload = function () { UI.load(); };
+ Util.load_scripts(["webutil.js", "base64.js", "websock.js", "des.js",
+ "keysymdef.js", "keyboard.js", "input.js", "display.js",
+ "jsunzip.js", "rfb.js", "keysym.js"]);
+
+ UI = {
+
+ rfb_state : 'loaded',
+ settingsOpen : false,
+ connSettingsOpen : false,
+ popupStatusTimeout: null,
+ clipboardOpen: false,
+ keyboardVisible: false,
+ hideKeyboardTimeout: null,
+ lastKeyboardinput: null,
+ defaultKeyboardinputLen: 100,
+ extraKeysVisible: false,
+ ctrlOn: false,
+ altOn: false,
+ isTouchDevice: false,
+
+ // Setup rfb object, load settings from browser storage, then call
+ // UI.init to setup the UI/menus
+ load: function (callback) {
+ WebUtil.initSettings(UI.start, callback);
+ },
+
+ // Render default UI and initialize settings menu
+ start: function(callback) {
+ UI.isTouchDevice = 'ontouchstart' in document.documentElement;
+
+ // Stylesheet selection dropdown
+ var sheet = WebUtil.selectStylesheet();
+ var sheets = WebUtil.getStylesheets();
+ var i;
+ for (i = 0; i < sheets.length; i += 1) {
+ UI.addOption($D('noVNC_stylesheet'),sheets[i].title, sheets[i].title);
+ }
+
+ // Logging selection dropdown
+ var llevels = ['error', 'warn', 'info', 'debug'];
+ for (i = 0; i < llevels.length; i += 1) {
+ UI.addOption($D('noVNC_logging'),llevels[i], llevels[i]);
+ }
-// Update cookie and form control setting. If value is not set, then
-// updates from control to current cookie setting.
-updateSetting: function(name, value) {
+ // Settings with immediate effects
+ UI.initSetting('logging', 'warn');
+ WebUtil.init_logging(UI.getSetting('logging'));
+
+ UI.initSetting('stylesheet', 'default');
+ WebUtil.selectStylesheet(null);
+ // call twice to get around webkit bug
+ WebUtil.selectStylesheet(UI.getSetting('stylesheet'));
+
+ // if port == 80 (or 443) then it won't be present and should be
+ // set manually
+ var port = window.location.port;
+ if (!port) {
+ if (window.location.protocol.substring(0,5) == 'https') {
+ port = 443;
+ }
+ else if (window.location.protocol.substring(0,4) == 'http') {
+ port = 80;
+ }
+ }
- var i, ctrl = $D('noVNC_' + name);
- // Save the cookie for this session
- if (typeof value !== 'undefined') {
- WebUtil.createCookie(name, value);
- }
+ /* Populate the controls if defaults are provided in the URL */
+ UI.initSetting('host', window.location.hostname);
+ UI.initSetting('port', port);
+ UI.initSetting('password', '');
+ UI.initSetting('encrypt', (window.location.protocol === "https:"));
+ UI.initSetting('true_color', true);
+ UI.initSetting('cursor', !UI.isTouchDevice);
+ UI.initSetting('resize', 'off');
+ UI.initSetting('shared', true);
+ UI.initSetting('view_only', false);
+ UI.initSetting('path', 'websockify');
+ UI.initSetting('repeaterID', '');
+
+ var autoconnect = WebUtil.getQueryVar('autoconnect', false);
+ if (autoconnect === 'true' || autoconnect == '1') {
+ autoconnect = true;
+ UI.connect();
+ } else {
+ autoconnect = false;
+ }
- // Update the settings control
- value = UI.getSetting(name);
+ UI.updateVisualState();
- if (ctrl.type === 'checkbox') {
- ctrl.checked = value;
+ $D('noVNC_host').focus();
- } else if (typeof ctrl.options !== 'undefined') {
- for (i = 0; i < ctrl.options.length; i += 1) {
- if (ctrl.options[i].value === value) {
- ctrl.selectedIndex = i;
- break;
+ // Show mouse selector buttons on touch screen devices
+ if (UI.isTouchDevice) {
+ // Show mobile buttons
+ $D('noVNC_mobile_buttons').style.display = "inline";
+ UI.setMouseButton();
+ // Remove the address bar
+ setTimeout(function() { window.scrollTo(0, 1); }, 100);
+ UI.forceSetting('clip', true);
+ } else {
+ UI.initSetting('clip', false);
}
- }
- } 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('noVNC_' + name);
- if (ctrl.type === 'checkbox') {
- val = ctrl.checked;
- } else if (typeof ctrl.options !== 'undefined') {
- val = ctrl.options[ctrl.selectedIndex].value;
- } else {
- val = ctrl.value;
- }
- WebUtil.createCookie(name, val);
- //Util.Debug("Setting saved '" + name + "=" + val + "'");
- return val;
-},
-
-// Initial page load read/initialization of settings
-initSetting: function(name, defVal) {
- var val;
-
- // Check Query string followed by cookie
- val = WebUtil.getQueryVar(name);
- if (val === null) {
- val = WebUtil.readCookie(name, defVal);
- }
- UI.updateSetting(name, val);
- //Util.Debug("Setting '" + name + "' initialized to '" + val + "'");
- return val;
-},
-
-
-// Toggle the settings menu:
-// On open, settings are refreshed from saved cookies.
-// On close, settings are applied
-clickSettingsMenu: function() {
- if (UI.settingsOpen) {
- UI.settingsApply();
- UI.closeSettingsMenu();
- } else {
- UI.updateSetting('encrypt');
- UI.updateSetting('true_color');
- if (UI.rfb.get_display().get_cursor_uri()) {
- UI.updateSetting('cursor');
- } else {
- UI.updateSetting('cursor', false);
- $D('noVNC_cursor').disabled = true;
- }
- UI.updateSetting('clip');
- UI.updateSetting('shared');
- UI.updateSetting('connectTimeout');
- UI.updateSetting('stylesheet');
- UI.updateSetting('logging');
-
- UI.openSettingsMenu();
- }
-},
-
-// Open menu
-openSettingsMenu: function() {
- if (UI.clipboardOpen == true) {
- UI.showClipboard();
- }
- //Close connection settings if open
- if (UI.connSettingsOpen == true) {
- UI.connectPanelbutton();
- }
- $D('noVNC_settings').style.display = "block";
- UI.settingsOpen = true;
-},
-
-// Close menu (without applying settings)
-closeSettingsMenu: function() {
- $D('noVNC_settings').style.display = "none";
- UI.settingsOpen = false;
-},
-
-// Save/apply settings when 'Apply' button is pressed
-settingsApply: function() {
- //Util.Debug(">> settingsApply");
- UI.saveSetting('encrypt');
- UI.saveSetting('true_color');
- if (UI.rfb.get_display().get_cursor_uri()) {
- UI.saveSetting('cursor');
- }
- UI.saveSetting('clip');
- UI.saveSetting('shared');
- UI.saveSetting('connectTimeout');
- UI.saveSetting('stylesheet');
- UI.saveSetting('logging');
-
- // Settings with immediate (non-connected related) effect
- WebUtil.selectStylesheet(UI.getSetting('stylesheet'));
- WebUtil.init_logging(UI.getSetting('logging'));
- UI.setViewClip();
- //Util.Debug("<< settingsApply");
-},
-
-
-
-setPassword: function() {
- UI.rfb.sendPassword($D('noVNC_password').value);
- //Reset connect button.
- $D('noVNC_connect_button').value = "Connect";
- $D('noVNC_connect_button').onclick = UI.Connect;
- //Hide connection panel.
- UI.connectPanelbutton();
- return false;
-},
-
-sendCtrlAltDel: function() {
- UI.rfb.sendCtrlAltDel();
-},
-
-setMouseButton: function(num) {
- var b, blist = [0, 1,2,4], button;
-
- if (typeof num === 'undefined') {
- // Disable mouse buttons
- num = -1;
- }
- if (UI.rfb) {
- UI.rfb.get_mouse().set_touchButton(num);
- }
-
- for (b = 0; b < blist.length; b++) {
- button = $D('noVNC_mouse_button' + blist[b]);
- if (blist[b] === num) {
- button.style.display = "";
- } else {
- button.style.display = "none";
- /*
- button.style.backgroundColor = "black";
- button.style.color = "lightgray";
- button.style.backgroundColor = "";
- button.style.color = "";
- */
- }
- }
-},
-
-updateState: function(rfb, state, oldstate, msg) {
- var s, sb, c, d, cad, vd, klass;
- UI.rfb_state = state;
- s = $D('noVNC_status');
- sb = $D('noVNC_status_bar');
- c = $D('connectPanelbutton');
- d = $D('disconnectButton');
- switch (state) {
- case 'failed':
- case 'fatal':
- c.style.display = "";
- d.style.display = "none";
- UI.updateSettingsState(false);
- klass = "noVNC_status_error";
- break;
- case 'normal':
- c.style.display = "none";
- d.style.display = "";
- UI.updateSettingsState(true);
- klass = "noVNC_status_normal";
- break;
- case 'disconnected':
+
+ UI.setViewClip();
+ UI.setBarPosition();
+
+ Util.addEvent(window, 'resize', function () {
+ UI.onresize();
+ UI.setViewClip();
+ UI.updateViewDrag();
+ UI.setBarPosition();
+ } );
+
+ // Hide the button if fullscreen isn't supported
+ if (!document.documentElement.requestFullscreen &&
+ !document.documentElement.mozRequestFullScreen &&
+ !document.documentElement.webkitRequestFullscreen &&
+ !document.body.msRequestFullscreen) {
+ $D('fullscreenButton').style.display = "none";
+ } else {
+ Util.addEvent(window, 'fullscreenchange', UI.updateFullscreenButton);
+ Util.addEvent(window, 'mozfullscreenchange', UI.updateFullscreenButton);
+ Util.addEvent(window, 'webkitfullscreenchange', UI.updateFullscreenButton);
+ Util.addEvent(window, 'msfullscreenchange', UI.updateFullscreenButton);
+ }
+
+ Util.addEvent(window, 'load', UI.keyboardinputReset);
+
+ Util.addEvent(window, 'beforeunload', function () {
+ if (UI.rfb && UI.rfb_state === 'normal') {
+ return "You are currently connected.";
+ }
+ } );
+
+ // Show description by default when hosted at for kanaka.github.com
+ if (location.host === "kanaka.github.io") {
+ // Open the description dialog
+ $D('noVNC_description').style.display = "block";
+ } else {
+ // Show the connect panel on first load unless autoconnecting
+ if (autoconnect === UI.connSettingsOpen) {
+ UI.toggleConnectPanel();
+ }
+ }
+
+ // Add mouse event click/focus/blur event handlers to the UI
+ UI.addMouseHandlers();
+
+ if (typeof callback === "function") {
+ callback(UI.rfb);
+ }
+ },
+
+ initRFB: function () {
+ try {
+ UI.rfb = new RFB({'target': $D('noVNC_canvas'),
+ 'onUpdateState': UI.updateState,
+ 'onXvpInit': UI.updateXvpVisualState,
+ 'onClipboard': UI.clipReceive,
+ 'onFBUComplete': UI.FBUComplete,
+ 'onFBResize': UI.updateViewDrag,
+ 'onDesktopName': UI.updateDocumentTitle});
+ return true;
+ } catch (exc) {
+ UI.updateState(null, 'fatal', null, 'Unable to create RFB client -- ' + exc);
+ return false;
+ }
+ },
+
+ addMouseHandlers: function() {
+ // Setup interface handlers that can't be inline
+ $D("noVNC_view_drag_button").onclick = UI.toggleViewDrag;
+ $D("noVNC_mouse_button0").onclick = function () { UI.setMouseButton(1); };
+ $D("noVNC_mouse_button1").onclick = function () { UI.setMouseButton(2); };
+ $D("noVNC_mouse_button2").onclick = function () { UI.setMouseButton(4); };
+ $D("noVNC_mouse_button4").onclick = function () { UI.setMouseButton(0); };
+ $D("showKeyboard").onclick = UI.showKeyboard;
+
+ $D("keyboardinput").oninput = UI.keyInput;
+ $D("keyboardinput").onblur = UI.keyInputBlur;
+ $D("keyboardinput").onsubmit = function () { return false; };
+
+ $D("showExtraKeysButton").onclick = UI.showExtraKeys;
+ $D("toggleCtrlButton").onclick = UI.toggleCtrl;
+ $D("toggleAltButton").onclick = UI.toggleAlt;
+ $D("sendTabButton").onclick = UI.sendTab;
+ $D("sendEscButton").onclick = UI.sendEsc;
+
+ $D("sendCtrlAltDelButton").onclick = UI.sendCtrlAltDel;
+ $D("xvpShutdownButton").onclick = UI.xvpShutdown;
+ $D("xvpRebootButton").onclick = UI.xvpReboot;
+ $D("xvpResetButton").onclick = UI.xvpReset;
+ $D("noVNC_status").onclick = UI.togglePopupStatus;
+ $D("noVNC_popup_status").onclick = UI.togglePopupStatus;
+ $D("xvpButton").onclick = UI.toggleXvpPanel;
+ $D("clipboardButton").onclick = UI.toggleClipboardPanel;
+ $D("fullscreenButton").onclick = UI.toggleFullscreen;
+ $D("settingsButton").onclick = UI.toggleSettingsPanel;
+ $D("connectButton").onclick = UI.toggleConnectPanel;
+ $D("disconnectButton").onclick = UI.disconnect;
+ $D("descriptionButton").onclick = UI.toggleConnectPanel;
+
+ $D("noVNC_clipboard_text").onfocus = UI.displayBlur;
+ $D("noVNC_clipboard_text").onblur = UI.displayFocus;
+ $D("noVNC_clipboard_text").onchange = UI.clipSend;
+ $D("noVNC_clipboard_clear_button").onclick = UI.clipClear;
+
+ $D("noVNC_settings_menu").onmouseover = UI.displayBlur;
+ $D("noVNC_settings_menu").onmouseover = UI.displayFocus;
+ $D("noVNC_apply").onclick = UI.settingsApply;
+
+ $D("noVNC_connect_button").onclick = UI.connect;
+
+ $D("noVNC_resize").onchange = function () {
+ var connected = UI.rfb && UI.rfb_state === 'normal';
+ UI.enableDisableViewClip(connected);
+ };
+ },
+
+ onresize: function (callback) {
+ if (!UI.rfb) return;
+
+ var size = UI.getCanvasLimit();
+
+ if (size && UI.rfb_state === 'normal' && UI.rfb.get_display()) {
+ var display = UI.rfb.get_display();
+ var scaleType = UI.getSetting('resize');
+ if (scaleType === 'remote') {
+ // use remote resizing
+
+ // When the local window has been resized, wait until the size remains
+ // the same for 0.5 seconds before sending the request for changing
+ // the resolution of the session
+ clearTimeout(resizeTimeout);
+ resizeTimeout = setTimeout(function(){
+ display.set_maxWidth(size.w);
+ display.set_maxHeight(size.h);
+ Util.Debug('Attempting setDesktopSize(' +
+ size.w + ', ' + size.h + ')');
+ UI.rfb.setDesktopSize(size.w, size.h);
+ }, 500);
+ } else if (scaleType === 'scale' || scaleType === 'downscale') {
+ // use local scaling
+
+ var downscaleOnly = scaleType === 'downscale';
+ var scaleRatio = display.autoscale(size.w, size.h, downscaleOnly);
+ UI.rfb.get_mouse().set_scale(scaleRatio);
+ Util.Debug('Scaling by ' + UI.rfb.get_mouse().get_scale());
+ }
+ }
+ },
+
+ getCanvasLimit: function () {
+ var container = $D('noVNC_container');
+
+ // Hide the scrollbars until the size is calculated
+ container.style.overflow = "hidden";
+
+ var pos = Util.getPosition(container);
+ var w = pos.width;
+ var h = pos.height;
+
+ container.style.overflow = "visible";
+
+ if (isNaN(w) || isNaN(h)) {
+ return false;
+ } else {
+ return {w: w, h: h};
+ }
+ },
+
+ // Read form control compatible setting from cookie
+ getSetting: function(name) {
+ var ctrl = $D('noVNC_' + name);
+ var val = WebUtil.readSetting(name);
+ if (typeof val !== 'undefined' && val !== null && ctrl.type === 'checkbox') {
+ if (val.toString().toLowerCase() in {'0':1, 'no':1, 'false':1}) {
+ val = false;
+ } else {
+ val = true;
+ }
+ }
+ return val;
+ },
+
+ // Update cookie and form control setting. If value is not set, then
+ // updates from control to current cookie setting.
+ updateSetting: function(name, value) {
+
+ // Save the cookie for this session
+ if (typeof value !== 'undefined') {
+ WebUtil.writeSetting(name, value);
+ }
+
+ // Update the settings control
+ value = UI.getSetting(name);
+
+ var ctrl = $D('noVNC_' + name);
+ if (ctrl.type === 'checkbox') {
+ ctrl.checked = value;
+
+ } else if (typeof ctrl.options !== 'undefined') {
+ for (var i = 0; i < ctrl.options.length; i += 1) {
+ if (ctrl.options[i].value === value) {
+ ctrl.selectedIndex = i;
+ break;
+ }
+ }
+ } 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('noVNC_' + name);
+ if (ctrl.type === 'checkbox') {
+ val = ctrl.checked;
+ } else if (typeof ctrl.options !== 'undefined') {
+ val = ctrl.options[ctrl.selectedIndex].value;
+ } else {
+ val = ctrl.value;
+ }
+ WebUtil.writeSetting(name, val);
+ //Util.Debug("Setting saved '" + name + "=" + val + "'");
+ return val;
+ },
+
+ // Initial page load read/initialization of settings
+ initSetting: function(name, defVal) {
+ // Check Query string followed by cookie
+ var val = WebUtil.getQueryVar(name);
+ if (val === null) {
+ val = WebUtil.readSetting(name, defVal);
+ }
+ UI.updateSetting(name, val);
+ return val;
+ },
+
+ // Force a setting to be a certain value
+ forceSetting: function(name, val) {
+ UI.updateSetting(name, val);
+ return val;
+ },
+
+
+ // Show the popup status
+ togglePopupStatus: function(text) {
+ var psp = $D('noVNC_popup_status');
+
+ var closePopup = function() { psp.style.display = "none"; };
+
+ if (window.getComputedStyle(psp).display === 'none') {
+ if (typeof text === 'string') {
+ psp.innerHTML = text;
+ } else {
+ psp.innerHTML = $D('noVNC_status').innerHTML;
+ }
+ psp.style.display = "block";
+ psp.style.left = window.innerWidth/2 -
+ parseInt(window.getComputedStyle(psp).width)/2 -30 + "px";
+
+ // Show the popup for a maximum of 1.5 seconds
+ UI.popupStatusTimeout = setTimeout(function() { closePopup(); }, 1500);
+ } else {
+ clearTimeout(UI.popupStatusTimeout);
+ closePopup();
+ }
+ },
+
+ // Show the XVP panel
+ toggleXvpPanel: function() {
+ // Close the description panel
+ $D('noVNC_description').style.display = "none";
+ // Close settings if open
+ if (UI.settingsOpen === true) {
+ UI.settingsApply();
+ UI.closeSettingsMenu();
+ }
+ // Close connection settings if open
+ if (UI.connSettingsOpen === true) {
+ UI.toggleConnectPanel();
+ }
+ // Close clipboard panel if open
+ if (UI.clipboardOpen === true) {
+ UI.toggleClipboardPanel();
+ }
+ // Toggle XVP panel
+ if (UI.xvpOpen === true) {
+ $D('noVNC_xvp').style.display = "none";
+ $D('xvpButton').className = "noVNC_status_button";
+ UI.xvpOpen = false;
+ } else {
+ $D('noVNC_xvp').style.display = "block";
+ $D('xvpButton').className = "noVNC_status_button_selected";
+ UI.xvpOpen = true;
+ }
+ },
+
+ // Show the clipboard panel
+ toggleClipboardPanel: function() {
+ // Close the description panel
+ $D('noVNC_description').style.display = "none";
+ // Close settings if open
+ if (UI.settingsOpen === true) {
+ UI.settingsApply();
+ UI.closeSettingsMenu();
+ }
+ // Close connection settings if open
+ if (UI.connSettingsOpen === true) {
+ UI.toggleConnectPanel();
+ }
+ // Close XVP panel if open
+ if (UI.xvpOpen === true) {
+ UI.toggleXvpPanel();
+ }
+ // Toggle Clipboard Panel
+ if (UI.clipboardOpen === true) {
+ $D('noVNC_clipboard').style.display = "none";
+ $D('clipboardButton').className = "noVNC_status_button";
+ UI.clipboardOpen = false;
+ } else {
+ $D('noVNC_clipboard').style.display = "block";
+ $D('clipboardButton').className = "noVNC_status_button_selected";
+ UI.clipboardOpen = true;
+ }
+ },
+
+ // Toggle fullscreen mode
+ toggleFullscreen: function() {
+ if (document.fullscreenElement || // alternative standard method
+ document.mozFullScreenElement || // currently working methods
+ document.webkitFullscreenElement ||
+ document.msFullscreenElement ) {
+ if (document.exitFullscreen) {
+ document.exitFullscreen();
+ } else if (document.mozCancelFullScreen) {
+ document.mozCancelFullScreen();
+ } else if (document.webkitExitFullscreen) {
+ document.webkitExitFullscreen();
+ } else if (document.msExitFullscreen) {
+ document.msExitFullscreen();
+ }
+ } else {
+ if (document.documentElement.requestFullscreen) {
+ document.documentElement.requestFullscreen();
+ } else if (document.documentElement.mozRequestFullScreen) {
+ document.documentElement.mozRequestFullScreen();
+ } else if (document.documentElement.webkitRequestFullscreen) {
+ document.documentElement.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT);
+ } else if (document.body.msRequestFullscreen) {
+ document.body.msRequestFullscreen();
+ }
+ }
+ UI.updateFullscreenButton();
+ },
+
+ updateFullscreenButton: function() {
+ if (document.fullscreenElement || // alternative standard method
+ document.mozFullScreenElement || // currently working methods
+ document.webkitFullscreenElement ||
+ document.msFullscreenElement ) {
+ $D('fullscreenButton').className = "noVNC_status_button_selected";
+ } else {
+ $D('fullscreenButton').className = "noVNC_status_button";
+ }
+ },
+
+ // Show the connection settings panel/menu
+ toggleConnectPanel: function() {
+ // Close the description panel
+ $D('noVNC_description').style.display = "none";
+ // Close connection settings if open
+ if (UI.settingsOpen === true) {
+ UI.settingsApply();
+ UI.closeSettingsMenu();
+ $D('connectButton').className = "noVNC_status_button";
+ }
+ // Close clipboard panel if open
+ if (UI.clipboardOpen === true) {
+ UI.toggleClipboardPanel();
+ }
+ // Close XVP panel if open
+ if (UI.xvpOpen === true) {
+ UI.toggleXvpPanel();
+ }
+
+ // Toggle Connection Panel
+ if (UI.connSettingsOpen === true) {
+ $D('noVNC_controls').style.display = "none";
+ $D('connectButton').className = "noVNC_status_button";
+ UI.connSettingsOpen = false;
+ UI.saveSetting('host');
+ UI.saveSetting('port');
+ //UI.saveSetting('password');
+ } else {
+ $D('noVNC_controls').style.display = "block";
+ $D('connectButton').className = "noVNC_status_button_selected";
+ UI.connSettingsOpen = true;
+ $D('noVNC_host').focus();
+ }
+ },
+
+ // Toggle the settings menu:
+ // On open, settings are refreshed from saved cookies.
+ // On close, settings are applied
+ toggleSettingsPanel: function() {
+ // Close the description panel
+ $D('noVNC_description').style.display = "none";
+ if (UI.settingsOpen) {
+ UI.settingsApply();
+ UI.closeSettingsMenu();
+ } else {
+ UI.updateSetting('encrypt');
+ UI.updateSetting('true_color');
+ if (Util.browserSupportsCursorURIs()) {
+ UI.updateSetting('cursor');
+ } else {
+ UI.updateSetting('cursor', !UI.isTouchDevice);
+ $D('noVNC_cursor').disabled = true;
+ }
+ UI.updateSetting('clip');
+ UI.updateSetting('resize');
+ UI.updateSetting('shared');
+ UI.updateSetting('view_only');
+ UI.updateSetting('path');
+ UI.updateSetting('repeaterID');
+ UI.updateSetting('stylesheet');
+ UI.updateSetting('logging');
+
+ UI.openSettingsMenu();
+ }
+ },
+
+ // Open menu
+ openSettingsMenu: function() {
+ // Close the description panel
+ $D('noVNC_description').style.display = "none";
+ // Close clipboard panel if open
+ if (UI.clipboardOpen === true) {
+ UI.toggleClipboardPanel();
+ }
+ // Close connection settings if open
+ if (UI.connSettingsOpen === true) {
+ UI.toggleConnectPanel();
+ }
+ // Close XVP panel if open
+ if (UI.xvpOpen === true) {
+ UI.toggleXvpPanel();
+ }
+ $D('noVNC_settings').style.display = "block";
+ $D('settingsButton').className = "noVNC_status_button_selected";
+ UI.settingsOpen = true;
+ },
+
+ // Close menu (without applying settings)
+ closeSettingsMenu: function() {
+ $D('noVNC_settings').style.display = "none";
+ $D('settingsButton').className = "noVNC_status_button";
+ UI.settingsOpen = false;
+ },
+
+ // Save/apply settings when 'Apply' button is pressed
+ settingsApply: function() {
+ //Util.Debug(">> settingsApply");
+ UI.saveSetting('encrypt');
+ UI.saveSetting('true_color');
+ if (Util.browserSupportsCursorURIs()) {
+ UI.saveSetting('cursor');
+ }
+
+ UI.saveSetting('resize');
+
+ if (UI.getSetting('resize') === 'downscale' || UI.getSetting('resize') === 'scale') {
+ UI.forceSetting('clip', false);
+ }
+
+ UI.saveSetting('clip');
+ UI.saveSetting('shared');
+ UI.saveSetting('view_only');
+ UI.saveSetting('path');
+ UI.saveSetting('repeaterID');
+ UI.saveSetting('stylesheet');
+ UI.saveSetting('logging');
+
+ // Settings with immediate (non-connected related) effect
+ WebUtil.selectStylesheet(UI.getSetting('stylesheet'));
+ WebUtil.init_logging(UI.getSetting('logging'));
+ UI.setViewClip();
+ UI.updateViewDrag();
+ //Util.Debug("<< settingsApply");
+ },
+
+
+
+ setPassword: function() {
+ UI.rfb.sendPassword($D('noVNC_password').value);
+ //Reset connect button.
+ $D('noVNC_connect_button').value = "Connect";
+ $D('noVNC_connect_button').onclick = UI.Connect;
+ //Hide connection panel.
+ UI.toggleConnectPanel();
+ return false;
+ },
+
+ sendCtrlAltDel: function() {
+ UI.rfb.sendCtrlAltDel();
+ },
+
+ xvpShutdown: function() {
+ UI.rfb.xvpShutdown();
+ },
+
+ xvpReboot: function() {
+ UI.rfb.xvpReboot();
+ },
+
+ xvpReset: function() {
+ UI.rfb.xvpReset();
+ },
+
+ setMouseButton: function(num) {
+ if (typeof num === 'undefined') {
+ // Disable mouse buttons
+ num = -1;
+ }
+ if (UI.rfb) {
+ UI.rfb.get_mouse().set_touchButton(num);
+ }
+
+ var blist = [0, 1,2,4];
+ for (var b = 0; b < blist.length; b++) {
+ var button = $D('noVNC_mouse_button' + blist[b]);
+ if (blist[b] === num) {
+ button.style.display = "";
+ } else {
+ button.style.display = "none";
+ }
+ }
+ },
+
+ updateState: function(rfb, state, oldstate, msg) {
+ UI.rfb_state = state;
+ var klass;
+ switch (state) {
+ case 'failed':
+ case 'fatal':
+ klass = "noVNC_status_error";
+ break;
+ case 'normal':
+ klass = "noVNC_status_normal";
+ break;
+ case 'disconnected':
+ $D('noVNC_logo').style.display = "block";
+ $D('noVNC_container').style.display = "none";
+ /* falls through */
+ 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_password').focus();
+
+ klass = "noVNC_status_warn";
+ break;
+ default:
+ klass = "noVNC_status_warn";
+ break;
+ }
+
+ if (typeof(msg) !== 'undefined') {
+ $D('noVNC-control-bar').setAttribute("class", klass);
+ $D('noVNC_status').innerHTML = msg;
+ }
+
+ UI.updateVisualState();
+ },
+
+ // Disable/enable controls depending on connection state
+ updateVisualState: function() {
+ var connected = UI.rfb && UI.rfb_state === 'normal';
+
+ //Util.Debug(">> updateVisualState");
+ $D('noVNC_encrypt').disabled = connected;
+ $D('noVNC_true_color').disabled = connected;
+ if (Util.browserSupportsCursorURIs()) {
+ $D('noVNC_cursor').disabled = connected;
+ } else {
+ UI.updateSetting('cursor', !UI.isTouchDevice);
+ $D('noVNC_cursor').disabled = true;
+ }
+
+ UI.enableDisableViewClip(connected);
+ $D('noVNC_resize').disabled = connected;
+ $D('noVNC_shared').disabled = connected;
+ $D('noVNC_view_only').disabled = connected;
+ $D('noVNC_path').disabled = connected;
+ $D('noVNC_repeaterID').disabled = connected;
+
+ if (connected) {
+ UI.setViewClip();
+ UI.setMouseButton(1);
+ $D('clipboardButton').style.display = "inline";
+ $D('showKeyboard').style.display = "inline";
+ $D('noVNC_extra_keys').style.display = "";
+ $D('sendCtrlAltDelButton').style.display = "inline";
+ } else {
+ UI.setMouseButton();
+ $D('clipboardButton').style.display = "none";
+ $D('showKeyboard').style.display = "none";
+ $D('noVNC_extra_keys').style.display = "none";
+ $D('sendCtrlAltDelButton').style.display = "none";
+ UI.updateXvpVisualState(0);
+ }
+
+ // State change disables viewport dragging.
+ // It is enabled (toggled) by direct click on the button
+ UI.updateViewDrag(false);
+
+ switch (UI.rfb_state) {
+ case 'fatal':
+ case 'failed':
+ case 'disconnected':
+ $D('connectButton').style.display = "";
+ $D('disconnectButton').style.display = "none";
+ UI.connSettingsOpen = false;
+ UI.toggleConnectPanel();
+ break;
+ case 'loaded':
+ $D('connectButton').style.display = "";
+ $D('disconnectButton').style.display = "none";
+ break;
+ default:
+ $D('connectButton').style.display = "none";
+ $D('disconnectButton').style.display = "";
+ break;
+ }
+
+ //Util.Debug("<< updateVisualState");
+ },
+
+ // Disable/enable XVP button
+ updateXvpVisualState: function(ver) {
+ if (ver >= 1) {
+ $D('xvpButton').style.display = 'inline';
+ } else {
+ $D('xvpButton').style.display = 'none';
+ // Close XVP panel if open
+ if (UI.xvpOpen === true) {
+ UI.toggleXvpPanel();
+ }
+ }
+ },
+
+ // This resize can not be done until we know from the first Frame Buffer Update
+ // if it is supported or not.
+ // The resize is needed to make sure the server desktop size is updated to the
+ // corresponding size of the current local window when reconnecting to an
+ // existing session.
+ FBUComplete: function(rfb, fbu) {
+ UI.onresize();
+ UI.rfb.set_onFBUComplete(function() { });
+ },
+
+ // Display the desktop name in the document title
+ updateDocumentTitle: function(rfb, name) {
+ document.title = name + " - noVNC";
+ },
+
+ clipReceive: function(rfb, text) {
+ Util.Debug(">> UI.clipReceive: " + text.substr(0,40) + "...");
+ $D('noVNC_clipboard_text').value = text;
+ Util.Debug("<< UI.clipReceive");
+ },
+
+ connect: function() {
+ UI.closeSettingsMenu();
+ UI.toggleConnectPanel();
+
+ var host = $D('noVNC_host').value;
+ var port = $D('noVNC_port').value;
+ var password = $D('noVNC_password').value;
+ var path = $D('noVNC_path').value;
+ if ((!host) || (!port)) {
+ throw new Error("Must set host and port");
+ }
+
+ if (!UI.initRFB()) return;
+
+ UI.rfb.set_encrypt(UI.getSetting('encrypt'));
+ UI.rfb.set_true_color(UI.getSetting('true_color'));
+ UI.rfb.set_local_cursor(UI.getSetting('cursor'));
+ UI.rfb.set_shared(UI.getSetting('shared'));
+ UI.rfb.set_view_only(UI.getSetting('view_only'));
+ UI.rfb.set_repeaterID(UI.getSetting('repeaterID'));
+
+ UI.rfb.connect(host, port, password, path);
+
+ //Close dialog.
+ setTimeout(UI.setBarPosition, 100);
+ $D('noVNC_logo').style.display = "none";
+ $D('noVNC_container').style.display = "inline";
+ },
+
+ disconnect: function() {
+ UI.closeSettingsMenu();
+ UI.rfb.disconnect();
+
+ // Restore the callback used for initial resize
+ UI.rfb.set_onFBUComplete(UI.FBUComplete);
+
$D('noVNC_logo').style.display = "block";
- case 'loaded':
- //c.value = "Connection";
- c.style.display = "";
- d.style.display = "none";
- UI.updateSettingsState(false);
- klass = "noVNC_status_normal";
- break;
- case 'password':
- UI.connectPanelbutton();
-
- $D('noVNC_connect_button').value = "Send Password";
- $D('noVNC_connect_button').onclick = UI.setPassword;
- $D('noVNC_password').focus();
-
- c.style.display = "none";
- d.style.display = "";
- UI.updateSettingsState(false);
- klass = "noVNC_status_warn";
- break;
- default:
- c.style.display = "none";
- d.style.display = "";
- UI.updateSettingsState(false);
- klass = "noVNC_status_warn";
- break;
- }
-
- if (typeof(msg) !== 'undefined') {
- s.setAttribute("class", klass);
- sb.setAttribute("class", klass);
- s.innerHTML = msg;
- }
-
-},
-
-// Disable/enable controls depending on connection state
-updateSettingsState: function(connected) {
-
- //Util.Debug(">> updateSettingsState");
- $D('noVNC_encrypt').disabled = connected;
- $D('noVNC_true_color').disabled = connected;
- if (UI.rfb && UI.rfb.get_display() &&
- UI.rfb.get_display().get_cursor_uri()) {
- $D('noVNC_cursor').disabled = connected;
- } else {
- UI.updateSetting('cursor', false);
- $D('noVNC_cursor').disabled = true;
- }
- $D('noVNC_shared').disabled = connected;
- $D('noVNC_connectTimeout').disabled = connected;
-
- if (connected) {
- UI.setViewClip();
- UI.setMouseButton(1);
- $D('sendCtrlAltDelButton').style.display = "inline";
- $D('noVNC_view_drag_button').style.display = "inline";
- } else {
- UI.setMouseButton();
- $D('sendCtrlAltDelButton').style.display = "none";
- $D('noVNC_view_drag_button').style.display = "none";
- }
-
- // State change disables viewport dragging.
- // It is enabled (toggled) by direct click on the button
- UI.setViewDrag(false);
- //Util.Debug("<< updateSettingsState");
-},
-
-
-clipReceive: function(rfb, text) {
- Util.Debug(">> UI.clipReceive: " + text.substr(0,40) + "...");
- $D('noVNC_clipboard_text').value = text;
- Util.Debug("<< UI.clipReceive");
-},
-
-
-connect: function() {
- var host, port, password;
-
- UI.closeSettingsMenu();
- UI.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_encrypt(UI.getSetting('encrypt'));
- UI.rfb.set_true_color(UI.getSetting('true_color'));
- UI.rfb.set_local_cursor(UI.getSetting('cursor'));
- UI.rfb.set_shared(UI.getSetting('shared'));
- UI.rfb.set_connectTimeout(UI.getSetting('connectTimeout'));
-
- UI.rfb.connect(host, port, password);
- //Close dialog.
- setTimeout(UI.setBarPosition, 100);
- $D('noVNC_logo').style.display = "none";
-},
-
-disconnect: function() {
- UI.closeSettingsMenu();
- UI.rfb.disconnect();
-
- $D('noVNC_logo').style.display = "block";
- UI.connSettingsOpen = false;
- UI.connectPanelbutton();
-},
-
-displayBlur: function() {
- UI.rfb.get_keyboard().set_focused(false);
- UI.rfb.get_mouse().set_focused(false);
-},
-
-displayFocus: function() {
- UI.rfb.get_keyboard().set_focused(true);
- UI.rfb.get_mouse().set_focused(true);
-},
-
-clipClear: function() {
- $D('noVNC_clipboard_text').value = "";
- UI.rfb.clipboardPasteFrom("");
-},
-
-clipSend: function() {
- 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.settingsApply();
- UI.closeSettingsMenu();
- }
- //Close connection settings if open
- if (UI.connSettingsOpen == true) {
- UI.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;
- }
-},
-
-setViewClip: function(clip) {
- var display, cur_clip, pos, new_w, new_h;
-
- if (UI.rfb) {
- display = UI.rfb.get_display();
- } else {
- return;
- }
-
- cur_clip = display.get_viewport();
-
- if (typeof(clip) === 'undefined') {
- // Nothing
- clip = UI.getSetting('clip');
- }
-
- if (clip && !cur_clip) {
- // Turn clipping on
- UI.updateSetting('clip', true);
- } else if (!clip && cur_clip) {
- // Turn clipping off
- UI.updateSetting('clip', false);
- display.set_viewport(false);
- $D('noVNC_canvas').style.position = 'static';
- display.viewportChange();
- }
- if (UI.getSetting('clip')) {
- // If clipping, update clipping settings
- $D('noVNC_canvas').style.position = 'absolute';
- pos = Util.getPosition($D('noVNC_canvas'));
- new_w = window.innerWidth - pos.x;
- new_h = window.innerHeight - pos.y;
- display.set_viewport(true);
- display.viewportChange(0, 0, new_w, new_h);
- }
-},
-
-setViewDrag: function(drag) {
- var vmb = $D('noVNC_view_drag_button');
- if (!UI.rfb) { return; }
-
- if (typeof(drag) === "undefined") {
- // If not specified, then toggle
- drag = !UI.rfb.get_viewportDrag();
- }
- if (drag) {
- vmb.style.backgroundColor = "black";
- vmb.style.color = "lightgray";
- UI.rfb.set_viewportDrag(true);
- } else {
- vmb.style.backgroundColor = "";
- vmb.style.color = "";
- UI.rfb.set_viewportDrag(false);
- }
-},
-
-showKeyboard: function() {
- $D('keyboardinput').focus();
-},
-
-
-changeViewportMeta: function (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);
- }
- }
-},
+ $D('noVNC_container').style.display = "none";
+
+ // Don't display the connection settings until we're actually disconnected
+ },
+
+ displayBlur: function() {
+ if (!UI.rfb) return;
+
+ UI.rfb.get_keyboard().set_focused(false);
+ UI.rfb.get_mouse().set_focused(false);
+ },
+
+ displayFocus: function() {
+ if (!UI.rfb) return;
+
+ UI.rfb.get_keyboard().set_focused(true);
+ UI.rfb.get_mouse().set_focused(true);
+ },
+
+ clipClear: function() {
+ $D('noVNC_clipboard_text').value = "";
+ UI.rfb.clipboardPasteFrom("");
+ },
+
+ clipSend: function() {
+ var text = $D('noVNC_clipboard_text').value;
+ Util.Debug(">> UI.clipSend: " + text.substr(0,40) + "...");
+ UI.rfb.clipboardPasteFrom(text);
+ Util.Debug("<< UI.clipSend");
+ },
+
+ // Set and configure viewport clipping
+ setViewClip: function(clip) {
+ var display;
+ if (UI.rfb) {
+ display = UI.rfb.get_display();
+ } else {
+ return;
+ }
-//iOS < Version 5 does not support position fixed. Javascript workaround:
-setOnscroll: function() {
- window.onscroll = function() {
- UI.setBarPosition();
- };
-},
+ var cur_clip = display.get_viewport();
-setResize: function () {
- window.onResize = function() {
- UI.setBarPosition();
- };
-},
-
-//Helper to add options to dropdown.
-addOption: function(selectbox,text,value )
-{
- var optn = document.createElement("OPTION");
- optn.text = text;
- optn.value = value;
- selectbox.options.add(optn);
-},
-
-setBarPosition: function() {
- $D('noVNC-control-bar').style.top = (window.pageYOffset) + 'px';
- $D('noVNC_mobile_buttons').style.left = (window.pageXOffset) + 'px';
-
- var vncwidth = $D('noVNC_screen').style.offsetWidth;
- $D('noVNC-control-bar').style.width = vncwidth + 'px';
-},
-
-connectPanelbutton: function() {
- //Close connection settings if open
- if (UI.settingsOpen == true) {
- UI.settingsApply();
- 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;
- $D('noVNC_host').focus();
- }
-}
-
-};
+ if (typeof(clip) !== 'boolean') {
+ // Use current setting
+ clip = UI.getSetting('clip');
+ }
+
+ if (clip && !cur_clip) {
+ // Turn clipping on
+ UI.updateSetting('clip', true);
+ } else if (!clip && cur_clip) {
+ // Turn clipping off
+ UI.updateSetting('clip', false);
+ display.set_viewport(false);
+ // Disable max dimensions
+ display.set_maxWidth(0);
+ display.set_maxHeight(0);
+ display.viewportChangeSize();
+ }
+ if (UI.getSetting('clip')) {
+ // If clipping, update clipping settings
+ display.set_viewport(true);
+
+ var size = UI.getCanvasLimit();
+ if (size) {
+ display.set_maxWidth(size.w);
+ display.set_maxHeight(size.h);
+ // Hide potential scrollbars that can skew the position
+ $D('noVNC_container').style.overflow = "hidden";
+ // The x position marks the left margin of the canvas,
+ // remove the margin from both sides to keep it centered
+ var new_w = size.w - (2 * Util.getPosition($D('noVNC_canvas')).x);
+ $D('noVNC_container').style.overflow = "visible";
+ display.viewportChangeSize(new_w, size.h);
+ }
+ }
+ },
+
+ // Handle special cases where clipping is forced on/off or locked
+ enableDisableViewClip: function (connected) {
+ var resizeElem = $D('noVNC_resize');
+ if (resizeElem.value === 'downscale' || resizeElem.value === 'scale') {
+ UI.forceSetting('clip', false);
+ $D('noVNC_clip').disabled = true;
+ } else {
+ $D('noVNC_clip').disabled = connected || UI.isTouchDevice;
+ if (UI.isTouchDevice) {
+ UI.forceSetting('clip', true);
+ }
+ }
+ },
+
+ // Update the viewport drag/move button
+ updateViewDrag: function(drag) {
+ if (!UI.rfb) return;
+
+ var vmb = $D('noVNC_view_drag_button');
+
+ // Check if viewport drag is possible
+ if (UI.rfb_state === 'normal' &&
+ UI.rfb.get_display().get_viewport() &&
+ UI.rfb.get_display().clippingDisplay()) {
+
+ // Show and enable the drag button
+ vmb.style.display = "inline";
+ vmb.disabled = false;
+
+ } else {
+ // The VNC content is the same size as
+ // or smaller than the display
+
+ if (UI.rfb.get_viewportDrag) {
+ // Turn off viewport drag when it's
+ // active since it can't be used here
+ vmb.className = "noVNC_status_button";
+ UI.rfb.set_viewportDrag(false);
+ }
+
+ // Disable or hide the drag button
+ if (UI.rfb_state === 'normal' && UI.isTouchDevice) {
+ vmb.style.display = "inline";
+ vmb.disabled = true;
+ } else {
+ vmb.style.display = "none";
+ }
+ return;
+ }
+
+ if (typeof(drag) !== "undefined" &&
+ typeof(drag) !== "object") {
+ if (drag) {
+ vmb.className = "noVNC_status_button_selected";
+ UI.rfb.set_viewportDrag(true);
+ } else {
+ vmb.className = "noVNC_status_button";
+ UI.rfb.set_viewportDrag(false);
+ }
+ }
+ },
+
+ toggleViewDrag: function() {
+ if (!UI.rfb) return;
+
+ var vmb = $D('noVNC_view_drag_button');
+ if (UI.rfb.get_viewportDrag()) {
+ vmb.className = "noVNC_status_button";
+ UI.rfb.set_viewportDrag(false);
+ } else {
+ vmb.className = "noVNC_status_button_selected";
+ UI.rfb.set_viewportDrag(true);
+ }
+ },
+
+ // On touch devices, show the OS keyboard
+ showKeyboard: function() {
+ var kbi = $D('keyboardinput');
+ var skb = $D('showKeyboard');
+ var l = kbi.value.length;
+ if(UI.keyboardVisible === false) {
+ kbi.focus();
+ try { kbi.setSelectionRange(l, l); } // Move the caret to the end
+ catch (err) {} // setSelectionRange is undefined in Google Chrome
+ UI.keyboardVisible = true;
+ skb.className = "noVNC_status_button_selected";
+ } else if(UI.keyboardVisible === true) {
+ kbi.blur();
+ skb.className = "noVNC_status_button";
+ UI.keyboardVisible = false;
+ }
+ },
+
+ keepKeyboard: function() {
+ clearTimeout(UI.hideKeyboardTimeout);
+ if(UI.keyboardVisible === true) {
+ $D('keyboardinput').focus();
+ $D('showKeyboard').className = "noVNC_status_button_selected";
+ } else if(UI.keyboardVisible === false) {
+ $D('keyboardinput').blur();
+ $D('showKeyboard').className = "noVNC_status_button";
+ }
+ },
+
+ keyboardinputReset: function() {
+ var kbi = $D('keyboardinput');
+ kbi.value = new Array(UI.defaultKeyboardinputLen).join("_");
+ UI.lastKeyboardinput = kbi.value;
+ },
+
+ // When normal keyboard events are left uncought, use the input events from
+ // the keyboardinput element instead and generate the corresponding key events.
+ // This code is required since some browsers on Android are inconsistent in
+ // sending keyCodes in the normal keyboard events when using on screen keyboards.
+ keyInput: function(event) {
+
+ if (!UI.rfb) return;
+
+ var newValue = event.target.value;
+
+ if (!UI.lastKeyboardinput) {
+ UI.keyboardinputReset();
+ }
+ var oldValue = UI.lastKeyboardinput;
+
+ var newLen;
+ try {
+ // Try to check caret position since whitespace at the end
+ // will not be considered by value.length in some browsers
+ newLen = Math.max(event.target.selectionStart, newValue.length);
+ } catch (err) {
+ // selectionStart is undefined in Google Chrome
+ newLen = newValue.length;
+ }
+ var oldLen = oldValue.length;
+
+ var backspaces;
+ var inputs = newLen - oldLen;
+ if (inputs < 0) {
+ backspaces = -inputs;
+ } else {
+ backspaces = 0;
+ }
+
+ // Compare the old string with the new to account for
+ // text-corrections or other input that modify existing text
+ var i;
+ for (i = 0; i < Math.min(oldLen, newLen); i++) {
+ if (newValue.charAt(i) != oldValue.charAt(i)) {
+ inputs = newLen - i;
+ backspaces = oldLen - i;
+ break;
+ }
+ }
+
+ // Send the key events
+ for (i = 0; i < backspaces; i++) {
+ UI.rfb.sendKey(XK_BackSpace);
+ }
+ for (i = newLen - inputs; i < newLen; i++) {
+ UI.rfb.sendKey(newValue.charCodeAt(i));
+ }
+
+ // Control the text content length in the keyboardinput element
+ if (newLen > 2 * UI.defaultKeyboardinputLen) {
+ UI.keyboardinputReset();
+ } else if (newLen < 1) {
+ // There always have to be some text in the keyboardinput
+ // element with which backspace can interact.
+ UI.keyboardinputReset();
+ // This sometimes causes the keyboard to disappear for a second
+ // but it is required for the android keyboard to recognize that
+ // text has been added to the field
+ event.target.blur();
+ // This has to be ran outside of the input handler in order to work
+ setTimeout(function() { UI.keepKeyboard(); }, 0);
+ } else {
+ UI.lastKeyboardinput = newValue;
+ }
+ },
+
+ keyInputBlur: function() {
+ $D('showKeyboard').className = "noVNC_status_button";
+ //Weird bug in iOS if you change keyboardVisible
+ //here it does not actually occur so next time
+ //you click keyboard icon it doesnt work.
+ UI.hideKeyboardTimeout = setTimeout(function() { UI.setKeyboard(); },100);
+ },
+
+ showExtraKeys: function() {
+ UI.keepKeyboard();
+ if(UI.extraKeysVisible === false) {
+ $D('toggleCtrlButton').style.display = "inline";
+ $D('toggleAltButton').style.display = "inline";
+ $D('sendTabButton').style.display = "inline";
+ $D('sendEscButton').style.display = "inline";
+ $D('showExtraKeysButton').className = "noVNC_status_button_selected";
+ UI.extraKeysVisible = true;
+ } else if(UI.extraKeysVisible === true) {
+ $D('toggleCtrlButton').style.display = "";
+ $D('toggleAltButton').style.display = "";
+ $D('sendTabButton').style.display = "";
+ $D('sendEscButton').style.display = "";
+ $D('showExtraKeysButton').className = "noVNC_status_button";
+ UI.extraKeysVisible = false;
+ }
+ },
+
+ toggleCtrl: function() {
+ UI.keepKeyboard();
+ if(UI.ctrlOn === false) {
+ UI.rfb.sendKey(XK_Control_L, true);
+ $D('toggleCtrlButton').className = "noVNC_status_button_selected";
+ UI.ctrlOn = true;
+ } else if(UI.ctrlOn === true) {
+ UI.rfb.sendKey(XK_Control_L, false);
+ $D('toggleCtrlButton').className = "noVNC_status_button";
+ UI.ctrlOn = false;
+ }
+ },
+
+ toggleAlt: function() {
+ UI.keepKeyboard();
+ if(UI.altOn === false) {
+ UI.rfb.sendKey(XK_Alt_L, true);
+ $D('toggleAltButton').className = "noVNC_status_button_selected";
+ UI.altOn = true;
+ } else if(UI.altOn === true) {
+ UI.rfb.sendKey(XK_Alt_L, false);
+ $D('toggleAltButton').className = "noVNC_status_button";
+ UI.altOn = false;
+ }
+ },
+
+ sendTab: function() {
+ UI.keepKeyboard();
+ UI.rfb.sendKey(XK_Tab);
+ },
+
+ sendEsc: function() {
+ UI.keepKeyboard();
+ UI.rfb.sendKey(XK_Escape);
+ },
+
+ setKeyboard: function() {
+ UI.keyboardVisible = false;
+ },
+
+ //Helper to add options to dropdown.
+ addOption: function(selectbox, text, value) {
+ var optn = document.createElement("OPTION");
+ optn.text = text;
+ optn.value = value;
+ selectbox.options.add(optn);
+ },
+
+ setBarPosition: function() {
+ $D('noVNC-control-bar').style.top = (window.pageYOffset) + 'px';
+ $D('noVNC_mobile_buttons').style.left = (window.pageXOffset) + 'px';
+
+ var vncwidth = $D('noVNC_screen').style.offsetWidth;
+ $D('noVNC-control-bar').style.width = vncwidth + 'px';
+ }
+
+ };
+})();
projects / mirror_novnc.git / blobdiff