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53 lines
1.5 KiB
53 lines
1.5 KiB
/* |
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* Spreed WebRTC. |
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* Copyright (C) 2013-2015 struktur AG |
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* |
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* This file is part of Spreed WebRTC. |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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*/ |
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"use strict"; |
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define(['visibly'], function(visibly) { |
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// Visibility |
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return [function() { |
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var supported = visibly.isSupported(); |
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return { |
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onVisible: visibly.onVisible, |
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onHidden: visibly.onHidden, |
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hidden: visibly.hidden, |
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visibilityState: visibly.visibilityState, |
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visibilitychange: visibly.visibilitychange, |
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afterPrerendering: function(callback) { |
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// Callback triggered as soon as the visibility state is not prerender. |
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if (!supported || visibly.visibilityState() !== 'prerender') { |
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callback(); |
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return false; |
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} |
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var complete = false; |
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visibly.visibilitychange(function(state) { |
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if (complete) { |
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return; |
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} |
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if (state !== "prerender") { |
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complete = true; |
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callback(); |
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} |
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}); |
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return true; |
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} |
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}; |
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}]; |
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});
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