mirror of
https://github.com/scratchfoundation/scratch-blocks.git
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46 lines
1.5 KiB
JavaScript
46 lines
1.5 KiB
JavaScript
/**
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* AccessibleBlockly
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*
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* Copyright 2016 Google Inc.
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* https://developers.google.com/blockly/
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*
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* Licensed under the Apache License, Version 2.0 (the 'License');
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an 'AS IS' BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @fileoverview Angular2 Service that notifies the user about actions that
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* they have taken, by updating an ARIA live region.
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* @author sll@google.com (Sean Lip)
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*/
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blocklyApp.NotificationsService = ng.core
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.Class({
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constructor: [function() {
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this.statusMessage_ = '';
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}],
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getStatusMessage: function() {
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return this.statusMessage_;
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},
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setStatusMessage: function(newMessage) {
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// Introduce a temporary status message, so that if, e.g., two "copy"
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// operations are done in succession, both messages will be read.
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this.statusMessage_ = '';
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// We need a non-zero timeout here, otherwise NVDA does not read the
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// notification messages properly.
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var that = this;
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setTimeout(function() {
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that.statusMessage_ = newMessage;
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}, 20);
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}
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});
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