mirror of
https://github.com/gyurix1968/guacamole-client.git
synced 2025-09-06 13:17:41 +00:00
GUACAMOLE-128: Merge fix clipboard bounce.
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@@ -44,6 +44,14 @@ angular.module('clipboard').factory('clipboardService', ['$injector',
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*/
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var CLIPBOARD_READ_DELAY = 100;
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/**
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* The promise associated with the current pending clipboard read attempt.
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* If no clipboard read is active, this will be null.
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*
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* @type Promise.<ClipboardData>
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*/
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var pendingRead = null;
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/**
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* Reference to the window.document object.
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*
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@@ -78,6 +86,7 @@ angular.module('clipboard').factory('clipboardService', ['$injector',
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};
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// Prevent events generated due to execCommand() from disturbing external things
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clipboardContent.addEventListener('cut', stopEventPropagation);
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clipboardContent.addEventListener('copy', stopEventPropagation);
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clipboardContent.addEventListener('paste', stopEventPropagation);
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@@ -398,8 +407,16 @@ angular.module('clipboard').factory('clipboardService', ['$injector',
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*/
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service.getLocalClipboard = function getLocalClipboard() {
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// If the clipboard is already being read, do not overlap the read
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// attempts; instead share the result across all requests
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if (pendingRead)
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return pendingRead;
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var deferred = $q.defer();
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// Mark read attempt as in progress
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pendingRead = deferred.promise;
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// Wait for the next event queue run before attempting to read
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// clipboard data (in case the copy/cut has not yet completed)
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$window.setTimeout(function deferredClipboardRead() {
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@@ -467,6 +484,9 @@ angular.module('clipboard').factory('clipboardService', ['$injector',
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originalElement.focus();
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popSelection();
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// No read is pending any longer
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pendingRead = null;
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});
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// Ensure clipboard element is blurred (and that the "focus" event
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@@ -137,8 +137,8 @@ angular.module('index').controller('indexController', ['$scope', '$injector',
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// Attempt to read the clipboard if it may have changed
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$window.addEventListener('load', checkClipboard, true);
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$window.addEventListener('copy', checkClipboard, true);
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$window.addEventListener('cut', checkClipboard, true);
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$window.addEventListener('copy', checkClipboard);
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$window.addEventListener('cut', checkClipboard);
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$window.addEventListener('focus', function focusGained(e) {
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// Only recheck clipboard if it's the window itself that gained focus
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