mirror of
https://github.com/gyurix1968/guacamole-client.git
synced 2025-09-07 05:31:22 +00:00
Clean up interface.js a bit.
This commit is contained in:
Michael Jumper
@@ -107,157 +107,91 @@ GuacamoleUI.toggleKeyboard = function() {
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};
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// Constant UI initialization and behavior
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(function() {
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// If Node.classList is supported, implement addClass/removeClass using that
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if (Node.classList) {
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// Cache error image (might not be available when error occurs)
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var guacErrorImage = new Image();
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guacErrorImage.src = "images/noguacamole-logo-24.png";
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// Function for adding a class to an element
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var addClass;
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// Function for removing a class from an element
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var removeClass;
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// If Node.classList is supported, implement addClass/removeClass using that
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if (Node.classList) {
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addClass = function(element, classname) {
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element.classList.add(classname);
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};
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removeClass = function(element, classname) {
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element.classList.remove(classname);
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};
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}
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// Otherwise, implement own
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else {
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addClass = function(element, classname) {
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// Simply add new class
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element.className += " " + classname;
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};
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removeClass = function(element, classname) {
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// Filter out classes with given name
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element.className = element.className.replace(/([^ ]+)[ ]*/g,
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function(match, testClassname, spaces, offset, string) {
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// If same class, remove
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if (testClassname == classname)
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return "";
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// Otherwise, allow
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return match;
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}
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);
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};
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}
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GuacamoleUI.hideStatus = function() {
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removeClass(document.body, "guac-error");
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GuacamoleUI.containers.state.style.visibility = "hidden";
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GuacamoleUI.display.style.opacity = "1";
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GuacamoleUI.addClass = function(element, classname) {
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element.classList.add(classname);
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};
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GuacamoleUI.showStatus = function(text) {
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removeClass(document.body, "guac-error");
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GuacamoleUI.containers.state.style.visibility = "visible";
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GuacamoleUI.state.textContent = text;
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GuacamoleUI.display.style.opacity = "1";
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GuacamoleUI.removeClass = function(element, classname) {
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element.classList.remove(classname);
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};
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GuacamoleUI.showError = function(error) {
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addClass(document.body, "guac-error");
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GuacamoleUI.state.textContent = error;
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GuacamoleUI.display.style.opacity = "0.1";
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}
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// Otherwise, implement own
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else {
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GuacamoleUI.addClass = function(element, classname) {
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// Simply add new class
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element.className += " " + classname;
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};
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GuacamoleUI.removeClass = function(element, classname) {
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// Detect three-finger tap
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GuacamoleUI.display.addEventListener('touchstart', function(e) {
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// If three touches, toggle keyboard
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if (e.touches.length == 3)
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GuacamoleUI.toggleKeyboard();
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}, true);
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// Filter out classes with given name
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element.className = element.className.replace(/([^ ]+)[ ]*/g,
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function(match, testClassname, spaces, offset, string) {
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function positionCentered(element) {
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element.style.left =
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((GuacamoleUI.viewport.offsetWidth - element.offsetWidth) / 2
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+ window.pageXOffset)
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+ "px";
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// If same class, remove
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if (testClassname == classname)
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return "";
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element.style.top =
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((GuacamoleUI.viewport.offsetHeight - element.offsetHeight) / 2
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+ window.pageYOffset)
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+ "px";
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}
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// Otherwise, allow
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return match;
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}
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);
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// Reconnect button
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GuacamoleUI.buttons.reconnect.onclick = function() {
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window.location.reload();
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};
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}
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// Query audio support
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if (!GuacamoleUI.sessionState.getProperty("disable-sound"))
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(function () {
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var probably_supported = [];
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var maybe_supported = [];
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// Build array of supported audio formats
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[
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'audio/ogg; codecs="vorbis"',
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'audio/mp4; codecs="mp4a.40.5"',
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'audio/mpeg; codecs="mp3"',
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'audio/webm; codecs="vorbis"',
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'audio/wav; codecs=1'
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].forEach(function(mimetype) {
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GuacamoleUI.hideStatus = function() {
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GuacamoleUI.removeClass(document.body, "guac-error");
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GuacamoleUI.containers.state.style.visibility = "hidden";
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GuacamoleUI.display.style.opacity = "1";
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};
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var audio = new Audio();
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var support_level = audio.canPlayType(mimetype);
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GuacamoleUI.showStatus = function(text) {
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GuacamoleUI.removeClass(document.body, "guac-error");
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GuacamoleUI.containers.state.style.visibility = "visible";
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GuacamoleUI.state.textContent = text;
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GuacamoleUI.display.style.opacity = "1";
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};
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// Trim semicolon and trailer
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var semicolon = mimetype.indexOf(";");
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if (semicolon != -1)
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mimetype = mimetype.substring(0, semicolon);
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GuacamoleUI.showError = function(error) {
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GuacamoleUI.addClass(document.body, "guac-error");
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GuacamoleUI.state.textContent = error;
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GuacamoleUI.display.style.opacity = "0.1";
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};
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// Partition by probably/maybe
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if (support_level == "probably")
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probably_supported.push(mimetype);
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else if (support_level == "maybe")
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maybe_supported.push(mimetype);
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// Reconnect button
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GuacamoleUI.buttons.reconnect.onclick = function() {
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window.location.reload();
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};
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});
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Array.prototype.push.apply(GuacamoleUI.supportedAudio, probably_supported);
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Array.prototype.push.apply(GuacamoleUI.supportedAudio, maybe_supported);
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})();
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// Query video support
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// Query audio support
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if (!GuacamoleUI.sessionState.getProperty("disable-sound"))
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(function () {
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var probably_supported = [];
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var maybe_supported = [];
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// Build array of supported video formats
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// Build array of supported audio formats
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[
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'video/ogg; codecs="theora, vorbis"',
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'video/mp4; codecs="avc1.4D401E, mp4a.40.5"',
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'video/webm; codecs="vp8.0, vorbis"'
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'audio/ogg; codecs="vorbis"',
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'audio/mp4; codecs="mp4a.40.5"',
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'audio/mpeg; codecs="mp3"',
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'audio/webm; codecs="vorbis"',
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'audio/wav; codecs=1'
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].forEach(function(mimetype) {
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var video = document.createElement("video");
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var support_level = video.canPlayType(mimetype);
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var audio = new Audio();
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var support_level = audio.canPlayType(mimetype);
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// Trim semicolon and trailer
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var semicolon = mimetype.indexOf(";");
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@@ -272,10 +206,40 @@ GuacamoleUI.toggleKeyboard = function() {
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});
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Array.prototype.push.apply(GuacamoleUI.supportedVideo, probably_supported);
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Array.prototype.push.apply(GuacamoleUI.supportedVideo, maybe_supported);
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Array.prototype.push.apply(GuacamoleUI.supportedAudio, probably_supported);
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Array.prototype.push.apply(GuacamoleUI.supportedAudio, maybe_supported);
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})();
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// Query video support
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(function () {
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var probably_supported = [];
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var maybe_supported = [];
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// Build array of supported video formats
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[
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'video/ogg; codecs="theora, vorbis"',
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'video/mp4; codecs="avc1.4D401E, mp4a.40.5"',
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'video/webm; codecs="vp8.0, vorbis"'
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].forEach(function(mimetype) {
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var video = document.createElement("video");
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var support_level = video.canPlayType(mimetype);
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// Trim semicolon and trailer
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var semicolon = mimetype.indexOf(";");
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if (semicolon != -1)
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mimetype = mimetype.substring(0, semicolon);
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// Partition by probably/maybe
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if (support_level == "probably")
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probably_supported.push(mimetype);
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else if (support_level == "maybe")
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maybe_supported.push(mimetype);
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});
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Array.prototype.push.apply(GuacamoleUI.supportedVideo, probably_supported);
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Array.prototype.push.apply(GuacamoleUI.supportedVideo, maybe_supported);
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})();
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// Tie UI events / behavior to a specific Guacamole client
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