33 lines
933 B
JavaScript
33 lines
933 B
JavaScript
/*
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* Copyright 2015 The Closure Compiler Authors
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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 Externs for Page Visibility.
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*
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* @see http://www.w3.org/TR/page-visibility
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* @externs
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*/
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/**
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* @enum {string}
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* @see http://www.w3.org/TR/page-visibility/#VisibilityState
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*/
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var VisibilityState = {
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HIDDEN: 'hidden',
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VISIBLE: 'visible',
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PRERENDER: 'prerender',
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UNLOADED: 'unloaded'
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};
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