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Login screen style improvements.

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This commit is contained in:
Michael Jumper
2012-11-03 22:19:29 -07:00
parent a1894549a2
commit a0652b918a
4 changed files with 90 additions and 56 deletions
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90
guacamole/src/main/webapp/scripts/interface.js
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@@ -734,6 +734,46 @@ GuacamoleUI.attach = function(guac) {
}
function updateThumbnail() {
// Get screenshot
var canvas = guac.flatten();
// Calculate scale of thumbnail (max 320x240, max zoom 100%)
var scale = Math.min(
320 / canvas.width,
240 / canvas.height,
1
);
// Create thumbnail canvas
var thumbnail = document.createElement("canvas");
thumbnail.width = canvas.width*scale;
thumbnail.height = canvas.height*scale;
// Scale screenshot to thumbnail
var context = thumbnail.getContext("2d");
context.drawImage(canvas,
0, 0, canvas.width, canvas.height,
0, 0, thumbnail.width, thumbnail.height
);
// Get thumbnail set from local storage
var thumbnails = {};
try {
var thumbnail_json = localStorage.getItem("GUAC_THUMBNAILS");
if (thumbnail_json)
thumbnails = JSON.parse(thumbnail_json);
}
catch (e) {}
// Save thumbnail to local storage
var id = decodeURIComponent(window.location.search.substring(4));
thumbnails[id] = thumbnail.toDataURL();
localStorage.setItem("GUAC_THUMBNAILS", JSON.stringify(thumbnails));
}
// Enable keyboard by default
enableKeyboard();
@@ -781,47 +821,10 @@ GuacamoleUI.attach = function(guac) {
GuacamoleUI.hideStatus();
title_prefix = null;
if (localStorage) {
window.setTimeout(function() {
// Regularly update screenshot if storage available
if (localStorage)
window.setInterval(updateThumbnail, 5000);
// Get screenshot
var canvas = guac.flatten();
// Calculate scale of thumbnail (max 320x240, max zoom 100%)
var scale = Math.min(
320 / canvas.width,
240 / canvas.height,
1
);
// Create thumbnail canvas
var thumbnail = document.createElement("canvas");
thumbnail.width = canvas.width*scale;
thumbnail.height = canvas.height*scale;
// Scale screenshot to thumbnail
var context = thumbnail.getContext("2d");
context.drawImage(canvas,
0, 0, canvas.width, canvas.height,
0, 0, thumbnail.width, thumbnail.height
);
// Get thumbnail set from local storage
var thumbnails = {};
try {
var thumbnail_json = localStorage.getItem("GUAC_THUMBNAILS");
if (thumbnail_json)
thumbnails = JSON.parse(thumbnail_json);
}
catch (e) {}
// Save thumbnail to local storage
var id = decodeURIComponent(window.location.search.substring(4));
thumbnails[id] = thumbnail.toDataURL();
localStorage.setItem("GUAC_THUMBNAILS", JSON.stringify(thumbnails));
}, 5000);
}
break;
// Disconnecting
@@ -862,9 +865,14 @@ GuacamoleUI.attach = function(guac) {
};
// Disconnect on close
// Disconnect and update thumbnail on close
window.onunload = function() {
if (localStorage)
updateThumbnail();
guac.disconnect();
};
// Send size events on resize