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GUAC-1480: Only check clipboard when window regains focus. Do not attempt to read clipboard unless textarea actually has focus (paste may occur elsewhere otherwise).

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This commit is contained in:
Michael Jumper
2016-02-04 22:01:36 -08:00
parent 31eb5ec73f
commit 43022c14b3
1 changed files with 9 additions and 2 deletions
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11
guacamole/src/main/webapp/app/client/services/clipboardService.js
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@@ -110,10 +110,11 @@ angular.module('client').factory('clipboardService', ['$injector',
// Clear and select the clipboard DOM element
clipboardContent.value = '';
clipboardContent.focus();
clipboardContent.select();
// Attempt paste local clipboard into clipboard DOM element
if (document.execCommand('paste'))
if (document.activeElement === clipboardContent && document.execCommand('paste'))
deferred.resolve(clipboardContent.value);
else
deferred.reject();
@@ -142,7 +143,13 @@ angular.module('client').factory('clipboardService', ['$injector',
// Attempt to read the clipboard if it may have changed
window.addEventListener('copy', checkClipboard, true);
window.addEventListener('cut', checkClipboard, true);
window.addEventListener('focus', checkClipboard, true);
window.addEventListener('focus', function focusGained(e) {
// Only recheck clipboard if it's the window itself that gained focus
if (e.target === window)
checkClipboard();
}, true);
return service;