var guacErrorImage = new Image();
guacErrorImage.src = "images/noguacamole-logo-24.png";
+ // Function for adding a class to an element
+ var addClass;
+
+ // Function for removing a class from an element
+ var removeClass;
+
+ // If Node.classList is supported, implement addClass/removeClass using that
+ if (Node.classList) {
+
+ addClass = function(element, classname) {
+ element.classList.add(classname);
+ };
+
+ removeClass = function(element, classname) {
+ element.classList.remove(classname);
+ };
+
+ }
+
+ // Otherwise, implement own
+ else {
+
+ addClass = function(element, classname) {
+
+ // Simply add new class
+ element.className += " " + classname;
+
+ };
+
+ removeClass = function(element, classname) {
+
+ // Filter out classes with given name
+ element.className = element.className.replace(/([^ ]+)[ ]*/g,
+ function(match, testClassname, spaces, offset, string) {
+
+ // If same class, remove
+ if (testClassname == classname)
+ return "";
+
+ // Otherwise, allow
+ return match;
+
+ }
+ );
+
+ };
+
+ }
+
+
GuacamoleUI.hideStatus = function() {
- document.body.classList.remove("guac-error");
+ removeClass(document.body, "guac-error");
GuacamoleUI.containers.state.style.visibility = "hidden";
};
GuacamoleUI.showStatus = function(text) {
- document.body.classList.remove("guac-error");
+ removeClass(document.body, "guac-error");
GuacamoleUI.containers.state.style.visibility = "visible";
GuacamoleUI.state.textContent = text;
};
GuacamoleUI.showError = function(error) {
- document.body.classList.add("guac-error");
+ addClass(document.body, "guac-error");
GuacamoleUI.state.textContent = error;
};
// When mouse hovers over top of screen, start detection of intent to open menu
GuacamoleUI.menuControl.addEventListener('mousemove', GuacamoleUI.startMenuOpenDetect, true);
- // When mouse enters display, start detection of intent to close menu
- GuacamoleUI.display.addEventListener('mouseover', GuacamoleUI.startMenuCloseDetect, true);
-
var menuShowLongPressTimeout = null;
GuacamoleUI.startLongPressDetect = function() {
menuShowLongPressTimeout = null;
GuacamoleUI.showMenu();
- }, 1000);
+ }, 800);
}
};
// Detect long-press at bottom of screen
document.body.addEventListener('touchstart', GuacamoleUI.startLongPressDetect, true);
- // Show menu if mouse leaves document
- document.addEventListener('mouseout', function(e) {
-
- // Get parent of the element the mouse pointer is leaving
- if (!e) e = window.event;
- var target = e.relatedTarget || e.toElement;
-
- // Ensure target is not document nor child of document
- var targetParent = target;
- while (targetParent != null) {
- if (targetParent == document) return;
- targetParent = targetParent.parentNode;
- }
-
- // Start detection of intent to open menu
- GuacamoleUI.startMenuOpenDetect();
-
- }, true);
-
// Reconnect button
GuacamoleUI.buttons.reconnect.onclick = function() {
window.location.reload();
};
- GuacamoleUI.display.onclick = function(e) {
- e.preventDefault();
- return false;
- };
-
// On-screen keyboard
GuacamoleUI.keyboard = new Guacamole.OnScreenKeyboard("layouts/en-us-qwerty-mobile.xml");
GuacamoleUI.containers.keyboard.appendChild(GuacamoleUI.keyboard.getElement());
// Tie UI events / behavior to a specific Guacamole client
GuacamoleUI.attach = function(guac) {
+ var guac_display = guac.getDisplay();
+
+ // When mouse enters display, start detection of intent to close menu
+ guac_display.addEventListener('mouseover', GuacamoleUI.startMenuCloseDetect, true);
+
+ guac_display.onclick = function(e) {
+ e.preventDefault();
+ return false;
+ };
+
// Mouse
- var mouse = new Guacamole.Mouse(GuacamoleUI.display);
+ var mouse = new Guacamole.Mouse(guac_display);
mouse.onmousedown = mouse.onmouseup = mouse.onmousemove =
function(mouseState) {
// Determine mouse position within view
- var mouse_view_x = mouseState.x + GuacamoleUI.display.offsetLeft - window.pageXOffset;
- var mouse_view_y = mouseState.y + GuacamoleUI.display.offsetTop - window.pageYOffset;
+ var mouse_view_x = mouseState.x + guac_display.offsetLeft - window.pageXOffset;
+ var mouse_view_y = mouseState.y + guac_display.offsetTop - window.pageYOffset;
// Determine viewport dimensioins
- var view_width = GuacamoleUI.viewport.offsetWidth;
+ var view_width = GuacamoleUI.viewport.offsetWidth;
var view_height = GuacamoleUI.viewport.offsetHeight;
// Determine scroll amounts based on mouse position relative to document
// Display error message
GuacamoleUI.showError(error);
-
- // Show error by desaturating display
- var layers = guac.getLayers();
- for (var i=0; i<layers.length; i++) {
- layers[i].filter(desaturateFilter);
- }
-
- // Filter for desaturation
- function desaturateFilter(data, width, height) {
-
- for (var i=0; i<data.length; i+=4) {
-
- // Get RGB values
- var r = data[i];
- var g = data[i+1];
- var b = data[i+2];
-
- // Desaturate
- var v = Math.max(r, g, b) / 2;
- data[i] = v;
- data[i+1] = v;
- data[i+2] = v;
-
- }
-
- }
};
projects / guacamole.git / commitdiff