jiti-meet/react/features/toolbox/middleware.js

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// @flow
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import { MiddlewareRegistry } from '../base/redux';
import {
CLEAR_TOOLBOX_TIMEOUT,
SET_TOOLBOX_TIMEOUT,
SET_FULL_SCREEN
} from './actionTypes';
declare var APP: Object;
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/**
* Middleware which intercepts Toolbox actions to handle changes to the
* visibility timeout of the Toolbox.
*
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* @param {Store} store - The redux store.
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* @returns {Function}
*/
MiddlewareRegistry.register(store => next => action => {
switch (action.type) {
case CLEAR_TOOLBOX_TIMEOUT: {
const { timeoutID } = store.getState()['features/toolbox'];
clearTimeout(timeoutID);
break;
}
case SET_FULL_SCREEN:
return _setFullScreen(next, action);
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case SET_TOOLBOX_TIMEOUT: {
const { timeoutID } = store.getState()['features/toolbox'];
const { handler, timeoutMS } = action;
clearTimeout(timeoutID);
action.timeoutID = setTimeout(handler, timeoutMS);
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break;
}
}
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return next(action);
});
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type DocumentElement = {
+requestFullscreen?: Function,
+mozRequestFullScreen?: Function,
+webkitRequestFullscreen?: Function
}
/**
* Makes an external request to enter or exit full screen mode.
*
* @param {Dispatch} next - The redux dispatch function to dispatch the
* specified action to the specified store.
* @param {Action} action - The redux action SET_FULL_SCREEN which is being
* dispatched in the specified store.
* @private
* @returns {Object} The value returned by {@code next(action)}.
*/
function _setFullScreen(next, action) {
if (typeof APP === 'object') {
const { fullScreen } = action;
if (fullScreen) {
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const documentElement: DocumentElement
= document.documentElement || {};
if (typeof documentElement.requestFullscreen === 'function') {
documentElement.requestFullscreen();
} else if (
typeof documentElement.mozRequestFullScreen === 'function') {
documentElement.mozRequestFullScreen();
} else if (
typeof documentElement.webkitRequestFullscreen === 'function') {
documentElement.webkitRequestFullscreen();
}
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} else {
/* eslint-disable no-lonely-if */
// $FlowFixMe
if (typeof document.exitFullscreen === 'function') {
document.exitFullscreen();
// $FlowFixMe
} else if (typeof document.mozCancelFullScreen === 'function') {
document.mozCancelFullScreen();
// $FlowFixMe
} else if (typeof document.webkitExitFullscreen === 'function') {
document.webkitExitFullscreen();
}
/* eslint-enable no-loney-if */
}
}
return next(action);
}