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GUACAMOLE-128: Merge fix clipboard bounce.

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This commit is contained in:
Nick Couchman
2017-09-03 21:10:00 -04:00
parent ab88eb2ff3 1c50311178
commit 0e2da5a2a0
2 changed files with 22 additions and 2 deletions
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20
guacamole/src/main/webapp/app/clipboard/services/clipboardService.js
View File

@@ -44,6 +44,14 @@ angular.module('clipboard').factory('clipboardService', ['$injector',
*/
var CLIPBOARD_READ_DELAY = 100;
/**
* The promise associated with the current pending clipboard read attempt.
* If no clipboard read is active, this will be null.
*
* @type Promise.<ClipboardData>
*/
var pendingRead = null;
/**
* Reference to the window.document object.
*
@@ -78,6 +86,7 @@ angular.module('clipboard').factory('clipboardService', ['$injector',
};
// Prevent events generated due to execCommand() from disturbing external things
clipboardContent.addEventListener('cut', stopEventPropagation);
clipboardContent.addEventListener('copy', stopEventPropagation);
clipboardContent.addEventListener('paste', stopEventPropagation);
@@ -398,8 +407,16 @@ angular.module('clipboard').factory('clipboardService', ['$injector',
*/
service.getLocalClipboard = function getLocalClipboard() {
// If the clipboard is already being read, do not overlap the read
// attempts; instead share the result across all requests
if (pendingRead)
return pendingRead;
var deferred = $q.defer();
// Mark read attempt as in progress
pendingRead = deferred.promise;
// Wait for the next event queue run before attempting to read
// clipboard data (in case the copy/cut has not yet completed)
$window.setTimeout(function deferredClipboardRead() {
@@ -467,6 +484,9 @@ angular.module('clipboard').factory('clipboardService', ['$injector',
originalElement.focus();
popSelection();
// No read is pending any longer
pendingRead = null;
});
// Ensure clipboard element is blurred (and that the "focus" event

4
guacamole/src/main/webapp/app/index/controllers/indexController.js
View File

@@ -137,8 +137,8 @@ angular.module('index').controller('indexController', ['$scope', '$injector',
// Attempt to read the clipboard if it may have changed
$window.addEventListener('load', checkClipboard, true);
$window.addEventListener('copy', checkClipboard, true);
$window.addEventListener('cut', checkClipboard, true);
$window.addEventListener('copy', checkClipboard);
$window.addEventListener('cut', checkClipboard);
$window.addEventListener('focus', function focusGained(e) {
// Only recheck clipboard if it's the window itself that gained focus